Fix sk strings

Added translation for:
unsupport_magisk_msg
settings_su_biometric_title
settings_su_biometric_summary
no_biometric

.gitattributes

@@ -11,7 +11,7 @@
 *.bat text eol=crlf
 
 # Denote all files that are truly binary and should not be modified.
-chromeos/** binary
+tools/** binary
 *.jar binary
 *.exe binary
 *.apk binary

.gitignore

@@ -2,8 +2,8 @@ out
 *.zip
 *.jks
 *.apk
-config.prop
-update.sh
+/config.prop
+/update.sh
 
 # Built binaries
 native/out

.gitmodules

@@ -19,3 +19,9 @@
 [submodule "nanopb"]
 	path = native/jni/external/nanopb
 	url = https://github.com/nanopb/nanopb.git
+[submodule "mincrypt"]
+	path = native/jni/external/mincrypt
+	url = https://github.com/topjohnwu/mincrypt.git
+[submodule "termux-elf-cleaner"]
+	path = tools/termux-elf-cleaner
+	url = https://github.com/termux/termux-elf-cleaner.git

README.MD

@@ -10,7 +10,7 @@ Furthermore, Magisk provides a **Systemless Interface** to alter the system (or
 
 ## Bug Reports
 
-**Make sure to install the latest [Canary Build](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337) before reporting any bugs!** **DO NOT** report bugs that is already fixed upstream. Follow the instructions in the [Canary Channel XDA Thread](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337), and report a bug either by opening an issue on GitHub or directly in the thread.
+**Make sure to install the latest [Canary Build](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337) before reporting any bugs!** **DO NOT** report bugs that are already fixed upstream. Follow the instructions in the [Canary Channel XDA Thread](https://forum.xda-developers.com/apps/magisk/dev-magisk-canary-channel-bleeding-edge-t3839337), and report a bug either by [opening an issue on GitHub](https://github.com/topjohnwu/Magisk/issues) or directly in the thread.
 
 ## Building Environment Requirements
 
@@ -30,13 +30,12 @@ Furthermore, Magisk provides a **Systemless Interface** to alter the system (or
 
 ## Translations
 
-Default string resources for Magisk Manager are scattered throughout
+Default string resources for Magisk Manager and its stub APK are located here:
 
 - `app/src/main/res/values/strings.xml`
 - `stub/src/main/res/values/strings.xml`
-- `shared/src/main/res/values/strings.xml`
 
-Translate each and place them in the respective locations (`<module>/src/main/res/values-<lang>/strings.xml`).
+Translate each and place them in the respective locations (`[module]/src/main/res/values-[lang]/strings.xml`).
 
 ## Signature Verification
 

app/build.gradle

@@ -1,6 +1,6 @@
 apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 
 kapt {
@@ -16,51 +16,120 @@ android {
     defaultConfig {
         applicationId 'com.topjohnwu.magisk'
         vectorDrawables.useSupportLibrary = true
-        versionName configProps['appVersion']
-        versionCode configProps['appVersionCode'] as Integer
-        javaCompileOptions {
-            annotationProcessorOptions {
-                argument('butterknife.debuggable', 'false')
-            }
-        }
+        multiDexEnabled true
+        versionName props['appVersion']
+        versionCode props['appVersionCode'] as Integer
     }
 
     buildTypes {
         release {
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'),
+                    'proguard-rules.pro', 'proguard-kotlin.pro'
         }
     }
+
+    dataBinding {
+        enabled = true
+    }
+
+    packagingOptions {
+        exclude '/META-INF/**'
+        exclude '/androidsupportmultidexversion.txt'
+        exclude '/org/bouncycastle/**'
+        exclude '/kotlin/**'
+        exclude '/kotlinx/**'
+        exclude '/okhttp3/**'
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation project(':net')
     implementation project(':shared')
     implementation project(':signing')
+
     implementation 'com.github.topjohnwu:jtar:1.0.0'
-    implementation 'net.sourceforge.streamsupport:android-retrostreams:1.7.0'
-    implementation 'com.github.sevar83:indeterminate-checkbox:1.0.5'
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+    implementation 'com.ncapdevi:frag-nav:3.2.0'
+    implementation 'com.github.pwittchen:reactivenetwork-rx2:3.0.6'
 
-    def markwonVersion = '3.0.0'
-    implementation "ru.noties.markwon:core:${markwonVersion}"
-    implementation "ru.noties.markwon:html:${markwonVersion}"
-    implementation "ru.noties.markwon:image-svg:${markwonVersion}"
+    implementation 'io.reactivex.rxjava2:rxjava:2.2.13'
+    implementation 'io.reactivex.rxjava2:rxkotlin:2.4.0'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
 
-    def androidXVersion = "1.0.0"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:${vKotlin}"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${vKotlin}"
+
+    def vBAdapt = '3.1.1'
+    def bindingAdapter = 'me.tatarka.bindingcollectionadapter2:bindingcollectionadapter'
+    implementation "${bindingAdapter}:${vBAdapt}"
+    implementation "${bindingAdapter}-recyclerview:${vBAdapt}"
+
+    def vMarkwon = '4.2.0'
+    implementation "io.noties.markwon:core:${vMarkwon}"
+    implementation "io.noties.markwon:html:${vMarkwon}"
+    implementation "io.noties.markwon:image:${vMarkwon}"
+    implementation 'com.caverock:androidsvg:1.4'
+
+    def vLibsu = '2.5.1'
+    implementation "com.github.topjohnwu.libsu:core:${vLibsu}"
+    implementation "com.github.topjohnwu.libsu:io:${vLibsu}"
+
+    def vKoin = '2.0.1'
+    implementation "org.koin:koin-core:${vKoin}"
+    implementation "org.koin:koin-android:${vKoin}"
+    implementation "org.koin:koin-androidx-viewmodel:${vKoin}"
+
+    def vRetrofit = '2.6.2'
+    implementation "com.squareup.retrofit2:retrofit:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-moshi:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-scalars:${vRetrofit}"
+    implementation "com.squareup.retrofit2:adapter-rxjava2:${vRetrofit}"
+
+    def vOkHttp = '3.12.6'
+    implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
+    implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
+
+    def vMoshi = '1.9.2'
+    implementation "com.squareup.moshi:moshi:${vMoshi}"
+
+    def vKotshi = '2.0.2'
+    implementation "se.ansman.kotshi:api:${vKotshi}"
+    kapt "se.ansman.kotshi:compiler:${vKotshi}"
+
+    modules {
+        module('androidx.room:room-runtime') {
+            replacedBy('com.github.topjohnwu:room-runtime')
+        }
+    }
+    def vRoom = '2.2.2'
+    implementation "com.github.topjohnwu:room-runtime:${vRoom}"
+    implementation "androidx.room:room-rxjava2:${vRoom}"
+    kapt "androidx.room:room-compiler:${vRoom}"
+
+    def vNav = '2.1.0'
+    implementation "androidx.navigation:navigation-fragment-ktx:${vNav}"
+    implementation "androidx.navigation:navigation-ui-ktx:${vNav}"
+
+    implementation 'androidx.biometric:biometric:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.appcompat:appcompat:1.0.2'
-    implementation "androidx.preference:preference:${androidXVersion}"
-    implementation "androidx.recyclerview:recyclerview:${androidXVersion}"
-    implementation "androidx.cardview:cardview:${androidXVersion}"
-    implementation "com.google.android.material:material:${androidXVersion}"
-    implementation 'androidx.work:work-runtime:2.0.1'
-    implementation 'androidx.transition:transition:1.1.0-beta01'
-
-    def libsuVersion = '2.5.0'
-    implementation "com.github.topjohnwu.libsu:core:${libsuVersion}"
-    implementation "com.github.topjohnwu.libsu:io:${libsuVersion}"
-
-    def butterKnifeVersion = '10.1.0'
-    implementation "com.jakewharton:butterknife-runtime:${butterKnifeVersion}"
-    kapt "com.jakewharton:butterknife-compiler:${butterKnifeVersion}"
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-alpha03'
+    implementation 'androidx.preference:preference:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.fragment:fragment-ktx:1.2.0-rc03'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.work:work-runtime:2.2.0'
+    implementation 'androidx.transition:transition:1.3.0-rc02'
+    implementation 'androidx.multidex:multidex:2.0.1'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'com.google.android.material:material:1.2.0-alpha02'
 }

app/proguard-kotlin.pro

@@ -0,0 +1,20 @@
+## So every class is case insensitive to avoid some bizare problems
+-dontusemixedcaseclassnames
+
+## If reflection issues come up uncomment this, that should temporarily fix it
+#-keep class kotlin.** { *; }
+#-keep class kotlin.Metadata { *; }
+#-keepclassmembers class kotlin.Metadata {
+#    public <methods>;
+#}
+
+## Never warn about Kotlin, it should work as-is
+-dontwarn kotlin.**
+
+## Removes runtime null checks - doesn't really matter if it crashes on kotlin or java NPE
+-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
+    static void checkParameterIsNotNull(java.lang.Object, java.lang.String);
+}
+
+## Useless option for dex
+-dontpreverify

app/proguard-rules.pro

@@ -16,35 +16,30 @@
 #   public *;
 #}
 
-# BouncyCastle
--keep,allowoptimization class org.bouncycastle.jcajce.provider.asymmetric.rsa.**SHA1** { *; }
--keep,allowoptimization class org.bouncycastle.jcajce.provider.asymmetric.RSA** { *; }
--keep,allowoptimization class org.bouncycastle.jcajce.provider.digest.SHA1** { *; }
--dontwarn javax.naming.**
-
 # Snet
--keepclassmembers class com.topjohnwu.magisk.utils.ISafetyNetHelper { *; }
--keep,allowobfuscation interface com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback
--keepclassmembers class * implements com.topjohnwu.magisk.utils.ISafetyNetHelper$Callback {
+-keepclassmembers class com.topjohnwu.magisk.utils.SafetyNetHelper { *; }
+-keep,allowobfuscation interface com.topjohnwu.magisk.utils.SafetyNetHelper$Callback
+-keepclassmembers class * implements com.topjohnwu.magisk.utils.SafetyNetHelper$Callback {
   void onResponse(int);
 }
 
+# Keep all fragment constructors
+-keepclassmembers class * extends androidx.fragment.app.Fragment {
+  public <init>(...);
+}
+
 # DelegateWorker
--keep,allowobfuscation class * extends com.topjohnwu.magisk.model.worker.DelegateWorker
+-keep,allowobfuscation class * extends com.topjohnwu.magisk.base.DelegateWorker
 
 # BootSigner
--keepclassmembers class com.topjohnwu.signing.BootSigner { *; }
+-keep class a.a { *; }
 
-# SVG
--dontwarn com.caverock.androidsvg.SVGAndroidRenderer
-
-# RetroStreams
--dontwarn java9.**
+# Workaround R8 bug
+-keep,allowobfuscation class com.topjohnwu.magisk.model.receiver.GeneralReceiver
+-keepclassmembers class a.e { *; }
 
 # Strip logging
--assumenosideeffects class com.topjohnwu.magisk.utils.Logger {
-  public *** debug(...);
-}
+-assumenosideeffects class timber.log.Timber.Tree { *; }
 
 # Excessive obfuscation
 -repackageclasses 'a'

app/res-ids.txt

@@ -0,0 +1,5 @@
+com.topjohnwu.magisk:color/xxxxxxxx = 0x7f010000
+com.topjohnwu.magisk:drawable/xxxxxxxx = 0x7f020000
+com.topjohnwu.magisk:string/xxxxxxxx = 0x7f030000
+com.topjohnwu.magisk:style/xxxxxxxx = 0x7f040000
+com.topjohnwu.magisk:xml/xxxxxxxx = 0x7f050000

app/src/main/AndroidManifest.xml

@@ -1,58 +1,54 @@
 <?xml version="1.0" encoding="utf-8"?>
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="com.topjohnwu.magisk">
 
+    <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.VIBRATE" />
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
-    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
 
     <application
-        android:allowBackup="true"
         android:name="a.e"
-        android:theme="@style/AppTheme"
-        android:usesCleartextTraffic="true"
+        android:allowBackup="true"
         tools:ignore="UnusedAttribute,GoogleAppIndexingWarning">
 
-        <!-- Activities -->
-
-        <activity
-            android:name="a.b"
-            android:configChanges="orientation|screenSize"
-            android:exported="true" />
+        <!-- Splash -->
         <activity
             android:name="a.c"
-            android:configChanges="orientation|screenSize"
-            android:exported="true"
             android:theme="@style/SplashTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity
-            android:name="a.f"
-            android:configChanges="keyboardHidden|orientation|screenSize"
-            android:screenOrientation="nosensor"
-            android:theme="@style/AppTheme.NoDrawer" />
+
+        <!-- Main -->
+        <activity android:name="a.b" />
+
+        <!-- Flashing  -->
+        <activity android:name="a.f" />
 
         <!-- Superuser -->
-
         <activity
             android:name="a.m"
-            android:exported="false"
             android:directBootAware="true"
             android:excludeFromRecents="true"
-            android:theme="@style/SuRequest" />
+            android:exported="false"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"
+            tools:ignore="AppLinkUrlError">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <category android:name="android.intent.category.DEFAULT"/>
+            </intent-filter>
+        </activity>
 
         <!-- Receiver -->
-
         <receiver
             android:name="a.h"
             android:directBootAware="true">
             <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED" />
+                <action android:name="android.intent.action.REBOOT" />
                 <action android:name="android.intent.action.LOCALE_CHANGED" />
             </intent-filter>
             <intent-filter>
@@ -63,8 +59,7 @@
             </intent-filter>
         </receiver>
 
-        <!-- Service -->
-
+        <!-- DownloadService -->
         <service android:name="a.j" />
 
         <!-- Hardcode GMS version -->
@@ -72,6 +67,22 @@
             android:name="com.google.android.gms.version"
             android:value="12451000" />
 
+        <!-- Initialize WorkManager on-demand -->
+        <provider
+            android:name="androidx.work.impl.WorkManagerInitializer"
+            android:authorities="${applicationId}.workmanager-init"
+            tools:node="remove" />
+
+        <!-- We don't invalidate Room -->
+        <service
+            android:name="androidx.room.MultiInstanceInvalidationService"
+            tools:node="remove"/>
+
+        <!-- We don't use Device Credentials -->
+        <activity
+            android:name="androidx.biometric.DeviceCredentialHandlerActivity"
+            tools:node="remove" />
+
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/a/a.java

@@ -3,11 +3,18 @@ package a;
 import com.topjohnwu.magisk.utils.PatchAPK;
 import com.topjohnwu.signing.BootSigner;
 
-import androidx.annotation.Keep;
+public class a {
 
-@Keep
-public class a extends BootSigner {
+    @Deprecated
     public static boolean patchAPK(String in, String out, String pkg) {
         return PatchAPK.patch(in, out, pkg);
     }
+
+    public static boolean patchAPK(String in, String out, String pkg, String label) {
+        return PatchAPK.patch(in, out, pkg, label);
+    }
+
+    public static void main(String[] args) throws Exception {
+        BootSigner.main(args);
+    }
 }

app/src/main/java/a/e.java

@@ -3,5 +3,11 @@ package a;
 import com.topjohnwu.magisk.App;
 
 public class e extends App {
-    /* stub */
+    public e() {
+        super();
+    }
+
+    public e(Object o) {
+        super(o);
+    }
 }

app/src/main/java/a/j.java

@@ -1,7 +1,7 @@
 package a;
 
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
+import com.topjohnwu.magisk.model.download.DownloadService;
 
-public class j extends DownloadModuleService {
+public class j extends DownloadService {
     /* stub */
 }

app/src/main/java/a/w.java

@@ -2,14 +2,14 @@ package a;
 
 import android.content.Context;
 
-import com.topjohnwu.magisk.model.worker.DelegateWorker;
-
-import java.lang.reflect.ParameterizedType;
-
 import androidx.annotation.NonNull;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
+import com.topjohnwu.magisk.base.DelegateWorker;
+
+import java.lang.reflect.ParameterizedType;
+
 public abstract class w<T extends DelegateWorker> extends Worker {
 
     /* Wrapper class to workaround Proguard -keep class * extends Worker */
@@ -22,7 +22,7 @@ public abstract class w<T extends DelegateWorker> extends Worker {
         try {
             base = ((Class<T>) ((ParameterizedType) getClass().getGenericSuperclass())
                     .getActualTypeArguments()[0]).newInstance();
-            base.setActualWorker(this);
+            base.attachWorker(this);
         } catch (Exception ignored) {}
     }
 

app/src/main/java/com/topjohnwu/magisk/App.java

@@ -1,101 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.app.Activity;
-import android.app.Application;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.res.Configuration;
-import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.AppCompatDelegate;
-
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.RootUtils;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.concurrent.ThreadPoolExecutor;
-
-public class App extends Application implements Application.ActivityLifecycleCallbacks {
-
-    public static App self;
-    public static Context deContext;
-    public static ThreadPoolExecutor THREAD_POOL;
-
-    // Global resources
-    public SharedPreferences prefs;
-    public MagiskDB mDB;
-    public RepoDatabaseHelper repoDB;
-    private volatile BaseActivity foreground;
-
-    static {
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true);
-        Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER | Shell.FLAG_USE_MAGISK_BUSYBOX);
-        Shell.Config.verboseLogging(BuildConfig.DEBUG);
-        Shell.Config.addInitializers(RootUtils.class);
-        Shell.Config.setTimeout(2);
-        THREAD_POOL = (ThreadPoolExecutor) AsyncTask.THREAD_POOL_EXECUTOR;
-    }
-
-    @Override
-    protected void attachBaseContext(Context base) {
-        super.attachBaseContext(base);
-        self = this;
-        deContext = base;
-        registerActivityLifecycleCallbacks(this);
-
-        if (Build.VERSION.SDK_INT >= 24) {
-            deContext = base.createDeviceProtectedStorageContext();
-            deContext.moveSharedPreferencesFrom(base,
-                    PreferenceManager.getDefaultSharedPreferencesName(base));
-        }
-        prefs = PreferenceManager.getDefaultSharedPreferences(deContext);
-        mDB = new MagiskDB(base);
-
-        Networking.init(base);
-        LocaleManager.setLocale(this);
-    }
-
-    @Override
-    public void onConfigurationChanged(@NonNull Configuration newConfig) {
-        super.onConfigurationChanged(newConfig);
-        LocaleManager.setLocale(this);
-    }
-
-    public static BaseActivity foreground() {
-        return self.foreground;
-    }
-
-    @Override
-    public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle bundle) {}
-
-    @Override
-    public void onActivityStarted(@NonNull Activity activity) {}
-
-    @Override
-    public synchronized void onActivityResumed(@NonNull Activity activity) {
-        foreground = (BaseActivity) activity;
-    }
-
-    @Override
-    public synchronized void onActivityPaused(@NonNull Activity activity) {
-        foreground = null;
-    }
-
-    @Override
-    public void onActivityStopped(@NonNull Activity activity) {}
-
-    @Override
-    public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle bundle) {}
-
-    @Override
-    public void onActivityDestroyed(@NonNull Activity activity) {}
-}

app/src/main/java/com/topjohnwu/magisk/App.kt

@@ -0,0 +1,90 @@
+package com.topjohnwu.magisk
+
+import android.app.Application
+import android.content.Context
+import android.content.res.Configuration
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.multidex.MultiDex
+import androidx.room.Room
+import androidx.work.WorkManager
+import androidx.work.impl.WorkDatabase
+import androidx.work.impl.WorkDatabase_Impl
+import com.topjohnwu.magisk.data.database.RepoDatabase
+import com.topjohnwu.magisk.data.database.RepoDatabase_Impl
+import com.topjohnwu.magisk.data.database.SuLogDatabase
+import com.topjohnwu.magisk.data.database.SuLogDatabase_Impl
+import com.topjohnwu.magisk.di.ActivityTracker
+import com.topjohnwu.magisk.di.koinModules
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.unwrap
+import com.topjohnwu.magisk.utils.RootInit
+import com.topjohnwu.magisk.utils.SuHandler
+import com.topjohnwu.magisk.utils.updateConfig
+import com.topjohnwu.superuser.Shell
+import org.koin.android.ext.koin.androidContext
+import org.koin.core.context.startKoin
+import timber.log.Timber
+
+open class App() : Application() {
+
+    constructor(o: Any) : this() {
+        Info.stub = DynAPK.load(o)
+    }
+
+    init {
+        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
+        Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_USE_MAGISK_BUSYBOX)
+        Shell.Config.verboseLogging(BuildConfig.DEBUG)
+        Shell.Config.addInitializers(RootInit::class.java)
+        Shell.Config.setTimeout(2)
+        FileProvider.callHandler = SuHandler
+        Room.setFactory {
+            when (it) {
+                WorkDatabase::class.java -> WorkDatabase_Impl()
+                RepoDatabase::class.java -> RepoDatabase_Impl()
+                SuLogDatabase::class.java -> SuLogDatabase_Impl()
+                else -> null
+            }
+        }
+    }
+
+    override fun attachBaseContext(base: Context) {
+        // Basic setup
+        if (BuildConfig.DEBUG)
+            MultiDex.install(base)
+        Timber.plant(Timber.DebugTree())
+
+        // Some context magic
+        val app: Application
+        val impl: Context
+        if (base is Application) {
+            app = base
+            impl = base.baseContext
+        } else {
+            app = this
+            impl = base
+        }
+        val wrapped = impl.wrap()
+        super.attachBaseContext(wrapped)
+
+        // Normal startup
+        startKoin {
+            androidContext(wrapped)
+            modules(koinModules)
+        }
+        ResourceMgr.init(impl)
+        app.registerActivityLifecycleCallbacks(get<ActivityTracker>())
+        WorkManager.initialize(impl.wrapJob(), androidx.work.Configuration.Builder().build())
+    }
+
+    // This is required as some platforms expect ContextImpl
+    override fun getBaseContext(): Context {
+        return super.getBaseContext().unwrap()
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        resources.updateConfig(newConfig)
+        if (!isRunningAsStub)
+            super.onConfigurationChanged(newConfig)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ClassMap.java

@@ -1,31 +0,0 @@
-package com.topjohnwu.magisk;
-
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
-import com.topjohnwu.magisk.model.receiver.GeneralReceiver;
-import com.topjohnwu.magisk.model.update.UpdateCheckService;
-import com.topjohnwu.magisk.ui.MainActivity;
-import com.topjohnwu.magisk.ui.SplashActivity;
-import com.topjohnwu.magisk.ui.flash.FlashActivity;
-import com.topjohnwu.magisk.ui.surequest.SuRequestActivity;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class ClassMap {
-    private static Map<Class, Class> classMap = new HashMap<>();
-
-    static {
-        classMap.put(App.class, a.e.class);
-        classMap.put(MainActivity.class, a.b.class);
-        classMap.put(SplashActivity.class, a.c.class);
-        classMap.put(FlashActivity.class, a.f.class);
-        classMap.put(UpdateCheckService.class, a.g.class);
-        classMap.put(GeneralReceiver.class, a.h.class);
-        classMap.put(DownloadModuleService.class, a.j.class);
-        classMap.put(SuRequestActivity.class, a.m.class);
-    }
-    
-    public static <T> Class<T> get(Class c) {
-        return classMap.get(c);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/Config.java

@@ -1,396 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.content.SharedPreferences;
-import android.util.Xml;
-
-import androidx.collection.ArrayMap;
-
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.ShellUtils;
-import com.topjohnwu.superuser.io.SuFile;
-import com.topjohnwu.superuser.io.SuFileInputStream;
-
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-
-import java.io.File;
-import java.io.IOException;
-
-public class Config {
-
-    // Current status
-    public static String magiskVersionString;
-    public static int magiskVersionCode = -1;
-    private static boolean magiskHide;
-
-    // Update Info
-    public static String remoteMagiskVersionString;
-    public static int remoteMagiskVersionCode = -1;
-    public static String magiskLink;
-    public static String magiskNoteLink;
-    public static String magiskMD5;
-    public static String remoteManagerVersionString;
-    public static int remoteManagerVersionCode = -1;
-    public static String managerLink;
-    public static String managerNoteLink;
-    public static String uninstallerLink;
-
-    // Install flags
-    public static boolean keepVerity = false;
-    public static boolean keepEnc = false;
-    public static boolean recovery = false;
-
-    public static int suLogTimeout = 14;
-
-    public static class Key {
-        // su configs
-        public static final String ROOT_ACCESS = "root_access";
-        public static final String SU_MULTIUSER_MODE = "multiuser_mode";
-        public static final String SU_MNT_NS = "mnt_ns";
-        public static final String SU_MANAGER = "requester";
-        public static final String SU_REQUEST_TIMEOUT = "su_request_timeout";
-        public static final String SU_AUTO_RESPONSE = "su_auto_response";
-        public static final String SU_NOTIFICATION = "su_notification";
-        public static final String SU_REAUTH = "su_reauth";
-        public static final String SU_FINGERPRINT = "su_fingerprint";
-
-        // prefs
-        public static final String CHECK_UPDATES = "check_update";
-        public static final String UPDATE_CHANNEL = "update_channel";
-        public static final String CUSTOM_CHANNEL = "custom_channel";
-        public static final String LOCALE = "locale";
-        public static final String DARK_THEME = "dark_theme";
-        public static final String ETAG_KEY = "ETag";
-        public static final String REPO_ORDER = "repo_order";
-        public static final String SHOW_SYSTEM_APP = "show_system";
-
-        // system state
-        public static final String UPDATE_SERVICE_VER = "update_service_version";
-        public static final String MAGISKHIDE = "magiskhide";
-        public static final String COREONLY = "disable";
-    }
-
-    public static class Value {
-        public static final int DEFAULT_CHANNEL = -1;
-        public static final int STABLE_CHANNEL = 0;
-        public static final int BETA_CHANNEL = 1;
-        public static final int CUSTOM_CHANNEL = 2;
-        public static final int CANARY_CHANNEL = 3;
-        public static final int CANARY_DEBUG_CHANNEL = 4;
-        public static final int ROOT_ACCESS_DISABLED = 0;
-        public static final int ROOT_ACCESS_APPS_ONLY = 1;
-        public static final int ROOT_ACCESS_ADB_ONLY = 2;
-        public static final int ROOT_ACCESS_APPS_AND_ADB = 3;
-        public static final int MULTIUSER_MODE_OWNER_ONLY = 0;
-        public static final int MULTIUSER_MODE_OWNER_MANAGED = 1;
-        public static final int MULTIUSER_MODE_USER = 2;
-        public static final int NAMESPACE_MODE_GLOBAL = 0;
-        public static final int NAMESPACE_MODE_REQUESTER = 1;
-        public static final int NAMESPACE_MODE_ISOLATE = 2;
-        public static final int NO_NOTIFICATION = 0;
-        public static final int NOTIFICATION_TOAST = 1;
-        public static final int SU_PROMPT = 0;
-        public static final int SU_AUTO_DENY = 1;
-        public static final int SU_AUTO_ALLOW = 2;
-        public static final int[] TIMEOUT_LIST = {0, -1, 10, 20, 30, 60};
-        public static final int ORDER_NAME = 0;
-        public static final int ORDER_DATE = 1;
-    }
-
-    public static void loadMagiskInfo() {
-        try {
-            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":")[0];
-            magiskVersionCode = Integer.parseInt(ShellUtils.fastCmd("magisk -V"));
-            magiskHide = Shell.su("magiskhide --status").exec().isSuccess();
-        } catch (NumberFormatException ignored) {}
-    }
-
-    public static void export() {
-        // Flush prefs to disk
-        App app = App.self;
-        app.prefs.edit().commit();
-        File xml = new File(App.deContext.getFilesDir().getParent() + "/shared_prefs",
-                app.getPackageName() + "_preferences.xml");
-        Shell.su(Utils.fmt("cat %s > /data/adb/%s", xml, Const.MANAGER_CONFIGS)).exec();
-    }
-
-    public static void initialize() {
-        SharedPreferences pref = App.self.prefs;
-        SharedPreferences.Editor editor = pref.edit();
-        File config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS);
-        if (config.exists()) {
-            try {
-                SuFileInputStream is = new SuFileInputStream(config);
-                XmlPullParser parser = Xml.newPullParser();
-                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false);
-                parser.setInput(is, "UTF-8");
-                parser.nextTag();
-                parser.require(XmlPullParser.START_TAG, null, "map");
-                while (parser.next() != XmlPullParser.END_TAG) {
-                    if (parser.getEventType() != XmlPullParser.START_TAG)
-                        continue;
-                    String key = parser.getAttributeValue(null, "name");
-                    String value = parser.getAttributeValue(null, "value");
-                    switch (parser.getName()) {
-                        case "string":
-                            parser.require(XmlPullParser.START_TAG, null, "string");
-                            editor.putString(key, parser.nextText());
-                            parser.require(XmlPullParser.END_TAG, null, "string");
-                            break;
-                        case "boolean":
-                            parser.require(XmlPullParser.START_TAG, null, "boolean");
-                            editor.putBoolean(key, Boolean.parseBoolean(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "boolean");
-                            break;
-                        case "int":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putInt(key, Integer.parseInt(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        case "long":
-                            parser.require(XmlPullParser.START_TAG, null, "long");
-                            editor.putLong(key, Long.parseLong(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "long");
-                            break;
-                        case "float":
-                            parser.require(XmlPullParser.START_TAG, null, "int");
-                            editor.putFloat(key, Float.parseFloat(value));
-                            parser.nextTag();
-                            parser.require(XmlPullParser.END_TAG, null, "int");
-                            break;
-                        default:
-                            parser.next();
-                    }
-                }
-            } catch (IOException | XmlPullParserException e) {
-                e.printStackTrace();
-            }
-            editor.remove(Key.ETAG_KEY);
-            editor.apply();
-            editor = pref.edit();
-            config.delete();
-        }
-
-        // Set defaults if not set
-        setDefs(pref, editor);
-
-        // These settings are from actual device state
-        editor.putBoolean(Key.MAGISKHIDE, magiskHide)
-                .putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
-                .putInt(Key.UPDATE_SERVICE_VER, Const.UPDATE_SERVICE_VER)
-                .apply();
-    }
-
-    private static final int PREF_INT = 0;
-    private static final int PREF_STR_INT = 1;
-    private static final int PREF_BOOL = 2;
-    private static final int PREF_STR = 3;
-    private static final int DB_INT = 4;
-    private static final int DB_BOOL = 5;
-    private static final int DB_STR = 6;
-
-    private static int getConfigType(String key) {
-        switch (key) {
-            case Key.REPO_ORDER:
-                return PREF_INT;
-
-            case Key.SU_REQUEST_TIMEOUT:
-            case Key.SU_AUTO_RESPONSE:
-            case Key.SU_NOTIFICATION:
-            case Key.UPDATE_CHANNEL:
-                return PREF_STR_INT;
-
-            case Key.DARK_THEME:
-            case Key.SU_REAUTH:
-            case Key.CHECK_UPDATES:
-            case Key.MAGISKHIDE:
-            case Key.COREONLY:
-            case Key.SHOW_SYSTEM_APP:
-                return PREF_BOOL;
-
-            case Key.CUSTOM_CHANNEL:
-            case Key.LOCALE:
-            case Key.ETAG_KEY:
-                return PREF_STR;
-
-            case Key.ROOT_ACCESS:
-            case Key.SU_MNT_NS:
-            case Key.SU_MULTIUSER_MODE:
-                return DB_INT;
-
-            case Key.SU_FINGERPRINT:
-                return DB_BOOL;
-
-            case Key.SU_MANAGER:
-                return DB_STR;
-
-            default:
-                throw new IllegalArgumentException();
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> T get(String key) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                return (T) (Integer) app.prefs.getInt(key, getDef(key));
-            case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(app.prefs, key, getDef(key));
-            case PREF_BOOL:
-                return (T) (Boolean) app.prefs.getBoolean(key, getDef(key));
-            case PREF_STR:
-                return (T) app.prefs.getString(key, getDef(key));
-            case DB_INT:
-                return (T) (Integer) app.mDB.getSettings(key, getDef(key));
-            case DB_BOOL:
-                return (T) (Boolean) (app.mDB.getSettings(key, getDef(key) ? 1 : 0) != 0);
-            case DB_STR:
-                return (T) app.mDB.getStrings(key, getDef(key));
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    public static void set(String key, Object val) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-                app.prefs.edit().putInt(key, (int) val).apply();
-                break;
-            case PREF_STR_INT:
-                app.prefs.edit().putString(key, String.valueOf(val)).apply();
-                break;
-            case PREF_BOOL:
-                app.prefs.edit().putBoolean(key, (boolean) val).apply();
-                break;
-            case PREF_STR:
-                app.prefs.edit().putString(key, (String) val).apply();
-                break;
-            case DB_INT:
-                app.mDB.setSettings(key, (int) val);
-                break;
-            case DB_BOOL:
-                app.mDB.setSettings(key, (boolean) val ? 1 : 0);
-                break;
-            case DB_STR:
-                app.mDB.setStrings(key, (String) val);
-                break;
-        }
-    }
-
-    public static void remove(String key) {
-        App app = App.self;
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case PREF_STR_INT:
-            case PREF_BOOL:
-            case PREF_STR:
-                app.prefs.edit().remove(key).apply();
-                break;
-            case DB_BOOL:
-            case DB_INT:
-                app.mDB.rmSettings(key);
-                break;
-            case DB_STR:
-                app.mDB.setStrings(key, null);
-                break;
-        }
-    }
-
-    private static ArrayMap<String, Object> defs = new ArrayMap<>();
-
-    static {
-        /* Set default configurations */
-
-        // prefs int
-        defs.put(Key.REPO_ORDER, Value.ORDER_DATE);
-
-        // prefs string int
-        defs.put(Key.SU_REQUEST_TIMEOUT, 10);
-        defs.put(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT);
-        defs.put(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST);
-        defs.put(Key.UPDATE_CHANNEL, Utils.isCanary() ?
-                Value.CANARY_DEBUG_CHANNEL : Value.DEFAULT_CHANNEL);
-
-        // prefs bool
-        defs.put(Key.CHECK_UPDATES, true);
-        defs.put(Key.DARK_THEME, true);
-        //defs.put(Key.SU_REAUTH, false);
-        //defs.put(Key.SHOW_SYSTEM_APP, false);
-
-        // prefs string
-        defs.put(Key.CUSTOM_CHANNEL, "");
-        defs.put(Key.LOCALE, "");
-        //defs.put(Key.ETAG_KEY, null);
-
-        // db int
-        defs.put(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB);
-        defs.put(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER);
-        defs.put(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY);
-
-        // db bool
-        //defs.put(Key.SU_FINGERPRINT, false);
-
-        // db strings
-        //defs.put(Key.SU_MANAGER, null);
-    }
-
-    private static <T> T getDef(String key) {
-        Object val = defs.get(key);
-        switch (getConfigType(key)) {
-            case PREF_INT:
-            case DB_INT:
-            case PREF_STR_INT:
-                return val != null ? (T) val : (T) (Integer) 0;
-            case DB_BOOL:
-            case PREF_BOOL:
-                return val != null ? (T) val : (T) (Boolean) false;
-            case DB_STR:
-            case PREF_STR:
-                return (T) val;
-        }
-        /* Will never get here (IllegalArgumentException in getConfigType) */
-        return null;
-    }
-
-    private static void setDefs(SharedPreferences pref, SharedPreferences.Editor editor) {
-        App app = App.self;
-        for (String key : defs.keySet()) {
-            int type = getConfigType(key);
-            switch (type) {
-                case DB_INT:
-                    editor.putString(key, String.valueOf(
-                            app.mDB.getSettings(key, (Integer) defs.get(key))));
-                    continue;
-                case DB_STR:
-                    editor.putString(key, app.mDB.getStrings(key, (String) defs.get(key)));
-                    continue;
-                case DB_BOOL:
-                    int bs = app.mDB.getSettings(key, -1);
-                    editor.putBoolean(key, bs < 0 ? (Boolean) defs.get(key) : bs != 0);
-                    continue;
-            }
-            if (pref.contains(key))
-                continue;
-            switch (type) {
-                case PREF_INT:
-                    editor.putInt(key, (Integer) defs.get(key));
-                    break;
-                case PREF_STR_INT:
-                    editor.putString(key, String.valueOf(defs.get(key)));
-                    break;
-                case PREF_STR:
-                    editor.putString(key, (String) defs.get(key));
-                    break;
-                case PREF_BOOL:
-                    editor.putBoolean(key, (Boolean) defs.get(key));
-                    break;
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/Config.kt

@@ -0,0 +1,227 @@
+package com.topjohnwu.magisk
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.os.Environment
+import android.util.Xml
+import androidx.core.content.edit
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.data.repository.DBConfig
+import com.topjohnwu.magisk.di.Protected
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.model.preference.PreferenceModel
+import com.topjohnwu.magisk.utils.BiometricHelper
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFile
+import com.topjohnwu.superuser.io.SuFileInputStream
+import org.xmlpull.v1.XmlPullParser
+import java.io.File
+
+object Config : PreferenceModel, DBConfig {
+
+    override val stringDao: StringDao by inject()
+    override val settingsDao: SettingsDao by inject()
+    override val context: Context by inject(Protected)
+
+    object Key {
+        // db configs
+        const val ROOT_ACCESS = "root_access"
+        const val SU_MULTIUSER_MODE = "multiuser_mode"
+        const val SU_MNT_NS = "mnt_ns"
+        const val SU_BIOMETRIC = "su_biometric"
+        const val SU_MANAGER = "requester"
+        const val KEYSTORE = "keystore"
+
+        // prefs
+        const val SU_REQUEST_TIMEOUT = "su_request_timeout"
+        const val SU_AUTO_RESPONSE = "su_auto_response"
+        const val SU_NOTIFICATION = "su_notification"
+        const val SU_REAUTH = "su_reauth"
+        const val CHECK_UPDATES = "check_update"
+        const val UPDATE_CHANNEL = "update_channel"
+        const val CUSTOM_CHANNEL = "custom_channel"
+        const val LOCALE = "locale"
+        const val DARK_THEME = "dark_theme"
+        const val REPO_ORDER = "repo_order"
+        const val SHOW_SYSTEM_APP = "show_system"
+        const val DOWNLOAD_PATH = "download_path"
+        const val BOOT_ID = "boot_id"
+
+        // system state
+        const val MAGISKHIDE = "magiskhide"
+        const val COREONLY = "disable"
+    }
+
+    object Value {
+        // Update channels
+        const val DEFAULT_CHANNEL = -1
+        const val STABLE_CHANNEL = 0
+        const val BETA_CHANNEL = 1
+        const val CUSTOM_CHANNEL = 2
+        const val CANARY_CHANNEL = 3
+        const val CANARY_DEBUG_CHANNEL = 4
+
+        // root access mode
+        const val ROOT_ACCESS_DISABLED = 0
+        const val ROOT_ACCESS_APPS_ONLY = 1
+        const val ROOT_ACCESS_ADB_ONLY = 2
+        const val ROOT_ACCESS_APPS_AND_ADB = 3
+
+        // su multiuser
+        const val MULTIUSER_MODE_OWNER_ONLY = 0
+        const val MULTIUSER_MODE_OWNER_MANAGED = 1
+        const val MULTIUSER_MODE_USER = 2
+
+        // su mnt ns
+        const val NAMESPACE_MODE_GLOBAL = 0
+        const val NAMESPACE_MODE_REQUESTER = 1
+        const val NAMESPACE_MODE_ISOLATE = 2
+
+        // su notification
+        const val NO_NOTIFICATION = 0
+        const val NOTIFICATION_TOAST = 1
+
+        // su auto response
+        const val SU_PROMPT = 0
+        const val SU_AUTO_DENY = 1
+        const val SU_AUTO_ALLOW = 2
+
+        // su timeout
+        val TIMEOUT_LIST = intArrayOf(0, -1, 10, 20, 30, 60)
+
+        // repo order
+        const val ORDER_NAME = 0
+        const val ORDER_DATE = 1
+    }
+
+    private val defaultChannel =
+        if (Utils.isCanary) {
+            if (BuildConfig.DEBUG)
+                Value.CANARY_DEBUG_CHANNEL
+            else
+                Value.CANARY_CHANNEL
+        }
+        else Value.DEFAULT_CHANNEL
+
+    var bootId by preference(Key.BOOT_ID, "")
+
+    var downloadPath by preference(Key.DOWNLOAD_PATH, Environment.DIRECTORY_DOWNLOADS)
+    var repoOrder by preference(Key.REPO_ORDER, Value.ORDER_DATE)
+
+    var suDefaultTimeout by preferenceStrInt(Key.SU_REQUEST_TIMEOUT, 10)
+    var suAutoReponse by preferenceStrInt(Key.SU_AUTO_RESPONSE, Value.SU_PROMPT)
+    var suNotification by preferenceStrInt(Key.SU_NOTIFICATION, Value.NOTIFICATION_TOAST)
+    var updateChannel by preferenceStrInt(Key.UPDATE_CHANNEL, defaultChannel)
+
+    var darkTheme by preference(Key.DARK_THEME, true)
+    var suReAuth by preference(Key.SU_REAUTH, false)
+    var checkUpdate by preference(Key.CHECK_UPDATES, true)
+    var magiskHide by preference(Key.MAGISKHIDE, true)
+    var coreOnly by preference(Key.COREONLY, false)
+    var showSystemApp by preference(Key.SHOW_SYSTEM_APP, false)
+
+    var customChannelUrl by preference(Key.CUSTOM_CHANNEL, "")
+    var locale by preference(Key.LOCALE, "")
+
+    var rootMode by dbSettings(Key.ROOT_ACCESS, Value.ROOT_ACCESS_APPS_AND_ADB)
+    var suMntNamespaceMode by dbSettings(Key.SU_MNT_NS, Value.NAMESPACE_MODE_REQUESTER)
+    var suMultiuserMode by dbSettings(Key.SU_MULTIUSER_MODE, Value.MULTIUSER_MODE_OWNER_ONLY)
+    var suBiometric by dbSettings(Key.SU_BIOMETRIC, false)
+    var suManager by dbStrings(Key.SU_MANAGER, "", true)
+    var keyStoreRaw by dbStrings(Key.KEYSTORE, "", true)
+
+    // Always return a path in external storage where we can write
+    val downloadDirectory get() =
+        Utils.ensureDownloadPath(downloadPath) ?: get<Context>().getExternalFilesDir(null)!!
+
+    private const val SU_FINGERPRINT = "su_fingerprint"
+
+    fun initialize() = prefs.also {
+        if (it.getBoolean(SU_FINGERPRINT, false)) {
+            suBiometric = true
+        }
+    }.edit {
+        parsePrefs(this)
+
+        // Legacy stuff
+        remove(SU_FINGERPRINT)
+
+        // Get actual state
+        putBoolean(Key.COREONLY, Const.MAGISK_DISABLE_FILE.exists())
+
+        // Write database configs
+        putString(Key.ROOT_ACCESS, rootMode.toString())
+        putString(Key.SU_MNT_NS, suMntNamespaceMode.toString())
+        putString(Key.SU_MULTIUSER_MODE, suMultiuserMode.toString())
+        putBoolean(Key.SU_BIOMETRIC, BiometricHelper.isEnabled)
+    }.also {
+        if (!prefs.contains(Key.UPDATE_CHANNEL))
+            prefs.edit().putString(Key.UPDATE_CHANNEL, defaultChannel.toString()).apply()
+    }
+
+    private fun parsePrefs(editor: SharedPreferences.Editor) = editor.apply {
+        val config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS)
+        if (config.exists()) runCatching {
+            val input = SuFileInputStream(config)
+            val parser = Xml.newPullParser()
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false)
+            parser.setInput(input, "UTF-8")
+            parser.nextTag()
+            parser.require(XmlPullParser.START_TAG, null, "map")
+            while (parser.next() != XmlPullParser.END_TAG) {
+                if (parser.eventType != XmlPullParser.START_TAG)
+                    continue
+                val key: String = parser.getAttributeValue(null, "name")
+                fun value() = parser.getAttributeValue(null, "value")!!
+                when (parser.name) {
+                    "string" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "string")
+                        putString(key, parser.nextText())
+                        parser.require(XmlPullParser.END_TAG, null, "string")
+                    }
+                    "boolean" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "boolean")
+                        putBoolean(key, value().toBoolean())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "boolean")
+                    }
+                    "int" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putInt(key, value().toInt())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    "long" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "long")
+                        putLong(key, value().toLong())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "long")
+                    }
+                    "float" -> {
+                        parser.require(XmlPullParser.START_TAG, null, "int")
+                        putFloat(key, value().toFloat())
+                        parser.nextTag()
+                        parser.require(XmlPullParser.END_TAG, null, "int")
+                    }
+                    else -> parser.next()
+                }
+            }
+            config.delete()
+        }
+    }
+
+    fun export() {
+        // Flush prefs to disk
+        prefs.edit().commit()
+        val context = get<Context>(Protected)
+        val xml = File(
+            "${context.filesDir.parent}/shared_prefs",
+            "${context.packageName}_preferences.xml"
+        )
+        Shell.su("cat $xml > /data/adb/${Const.MANAGER_CONFIGS}").exec()
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/Const.java

@@ -1,99 +0,0 @@
-package com.topjohnwu.magisk;
-
-import android.os.Environment;
-import android.os.Process;
-
-import java.io.File;
-
-public class Const {
-
-    public static final String DEBUG_TAG = "MagiskManager";
-
-    // APK content
-    public static final String ANDROID_MANIFEST = "AndroidManifest.xml";
-
-    public static final String SU_KEYSTORE_KEY = "su_key";
-
-    // Paths
-    public static final String MAGISK_PATH = "/sbin/.magisk/img";
-    public static final File EXTERNAL_PATH;
-    public static File MAGISK_DISABLE_FILE;
-
-    static {
-        MAGISK_DISABLE_FILE = new File("xxx");
-        EXTERNAL_PATH = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
-        EXTERNAL_PATH.mkdirs();
-    }
-
-    public static final String TMP_FOLDER_PATH = "/dev/tmp";
-    public static final String MAGISK_LOG = "/cache/magisk.log";
-    public static final String MANAGER_CONFIGS = ".tmp.magisk.config";
-
-    // Versions
-    public static final int UPDATE_SERVICE_VER = 1;
-    public static final int SNET_EXT_VER = 12;
-
-    public static final int USER_ID = Process.myUid() / 100000;
-
-    public static final class MAGISK_VER {
-        public static final int MIN_SUPPORT = 18000;
-    }
-
-    public static class ID {
-        public static final int FETCH_ZIP = 2;
-        public static final int SELECT_BOOT = 3;
-
-        // notifications
-        public static final int MAGISK_UPDATE_NOTIFICATION_ID = 4;
-        public static final int APK_UPDATE_NOTIFICATION_ID = 5;
-        public static final int DTBO_NOTIFICATION_ID = 7;
-        public static final int HIDE_MANAGER_NOTIFICATION_ID = 8;
-        public static final String UPDATE_NOTIFICATION_CHANNEL = "update";
-        public static final String PROGRESS_NOTIFICATION_CHANNEL = "progress";
-        public static final String CHECK_MAGISK_UPDATE_WORKER_ID = "magisk_update";
-    }
-
-    public static class Url {
-        private static String getRaw(String where, String name) {
-            return String.format("https://raw.githubusercontent.com/topjohnwu/magisk_files/%s/%s", where, name);
-        }
-        public static final String STABLE_URL = getRaw("master", "stable.json");
-        public static final String BETA_URL = getRaw("master", "beta.json");
-        public static final String CANARY_URL = getRaw("master", "canary_builds/release.json");
-        public static final String CANARY_DEBUG_URL = getRaw("master", "canary_builds/canary.json");
-        public static final String REPO_URL = "https://api.github.com/users/Magisk-Modules-Repo/repos?per_page=100&sort=pushed&page=%d";
-        public static final String FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s";
-        public static final String ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip";
-        public static final String MODULE_INSTALLER = "https://raw.githubusercontent.com/topjohnwu/Magisk/master/scripts/module_installer.sh";
-        public static final String PAYPAL_URL = "https://www.paypal.me/topjohnwu";
-        public static final String PATREON_URL = "https://www.patreon.com/topjohnwu";
-        public static final String TWITTER_URL = "https://twitter.com/topjohnwu";
-        public static final String XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382";
-        public static final String SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk";
-        public static final String SNET_URL = getRaw("b66b1a914978e5f4c4bbfd74a59f4ad371bac107", "snet.apk");
-        public static final String BOOTCTL_URL = getRaw("9c5dfc1b8245c0b5b524901ef0ff0f8335757b77", "bootctl");
-    }
-
-    public static class Key {
-        // others
-        public static final String LINK_KEY = "Link";
-        public static final String IF_NONE_MATCH = "If-None-Match";
-        // intents
-        public static final String OPEN_SECTION = "section";
-        public static final String INTENT_SET_NAME = "filename";
-        public static final String INTENT_SET_LINK = "link";
-        public static final String FLASH_ACTION = "action";
-        public static final String BROADCAST_MANAGER_UPDATE = "manager_update";
-        public static final String BROADCAST_REBOOT = "reboot";
-    }
-
-    public static class Value {
-        public static final String FLASH_ZIP = "flash";
-        public static final String PATCH_FILE = "patch";
-        public static final String FLASH_MAGISK = "magisk";
-        public static final String FLASH_INACTIVE_SLOT = "slot";
-        public static final String UNINSTALL = "uninstall";
-    }
-
-
-}

app/src/main/java/com/topjohnwu/magisk/Const.kt

@@ -0,0 +1,81 @@
+package com.topjohnwu.magisk
+
+import android.os.Process
+import java.io.File
+
+object Const {
+
+    // Paths
+    const val MAGISK_PATH = "/sbin/.magisk/img"
+    var MAGISK_DISABLE_FILE = File("xxx")
+    const val TMP_FOLDER_PATH = "/dev/tmp"
+    const val MAGISK_LOG = "/cache/magisk.log"
+
+    // Versions
+    const val SNET_EXT_VER = 13
+    const val SNET_REVISION = "a6c47f86f10b310358afa9dbe837037dd5d561df"
+    const val BOOTCTL_REVISION = "a6c47f86f10b310358afa9dbe837037dd5d561df"
+
+    // Misc
+    const val ANDROID_MANIFEST = "AndroidManifest.xml"
+    const val MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log"
+    const val MANAGER_CONFIGS = ".tmp.magisk.config"
+    val USER_ID = Process.myUid() / 100000
+
+    object Version {
+        const val MIN_VERSION = "v18.0"
+        const val MIN_VERCODE = 18000
+        const val CONNECT_MODE = 20100
+        const val PROVIDER_CONNECT = 20102
+    }
+
+    object ID {
+        const val FETCH_ZIP = 2
+        const val SELECT_BOOT = 3
+
+        // notifications
+        const val MAGISK_UPDATE_NOTIFICATION_ID = 4
+        const val APK_UPDATE_NOTIFICATION_ID = 5
+        const val DTBO_NOTIFICATION_ID = 7
+        const val HIDE_MANAGER_NOTIFICATION_ID = 8
+        const val UPDATE_NOTIFICATION_CHANNEL = "update"
+        const val PROGRESS_NOTIFICATION_CHANNEL = "progress"
+        const val CHECK_MAGISK_UPDATE_WORKER_ID = "magisk_update"
+    }
+
+    object Url {
+        const val ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip"
+        const val PAYPAL_URL = "https://www.paypal.me/topjohnwu"
+        const val PATREON_URL = "https://www.patreon.com/topjohnwu"
+        const val TWITTER_URL = "https://twitter.com/topjohnwu"
+        const val XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382"
+        const val SOURCE_CODE_URL = "https://github.com/topjohnwu/Magisk"
+
+        const val GITHUB_RAW_URL = "https://raw.githubusercontent.com/"
+        const val GITHUB_API_URL = "https://api.github.com/users/Magisk-Modules-Repo/"
+    }
+
+    object Key {
+        // others
+        const val LINK_KEY = "Link"
+        const val IF_NONE_MATCH = "If-None-Match"
+        const val ETAG_KEY = "ETag"
+        // intents
+        const val OPEN_SECTION = "section"
+        const val INTENT_SET_APP = "app_json"
+        const val FLASH_ACTION = "action"
+        const val FLASH_DATA = "additional_data"
+        const val DISMISS_ID = "dismiss_id"
+        const val BROADCAST_MANAGER_UPDATE = "manager_update"
+        const val BROADCAST_REBOOT = "reboot"
+    }
+
+    object Value {
+        const val FLASH_ZIP = "flash"
+        const val PATCH_FILE = "patch"
+        const val FLASH_MAGISK = "magisk"
+        const val FLASH_INACTIVE_SLOT = "slot"
+        const val UNINSTALL = "uninstall"
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/Hacks.kt

@@ -0,0 +1,155 @@
+@file:Suppress("DEPRECATION")
+
+package com.topjohnwu.magisk
+
+import android.annotation.SuppressLint
+import android.app.job.JobInfo
+import android.app.job.JobScheduler
+import android.app.job.JobWorkItem
+import android.content.ComponentName
+import android.content.Context
+import android.content.ContextWrapper
+import android.content.Intent
+import android.content.res.AssetManager
+import android.content.res.Configuration
+import android.content.res.Resources
+import androidx.annotation.RequiresApi
+import com.topjohnwu.magisk.extensions.forceGetDeclaredField
+import com.topjohnwu.magisk.model.download.DownloadService
+import com.topjohnwu.magisk.model.receiver.GeneralReceiver
+import com.topjohnwu.magisk.model.update.UpdateCheckService
+import com.topjohnwu.magisk.ui.MainActivity
+import com.topjohnwu.magisk.ui.SplashActivity
+import com.topjohnwu.magisk.ui.flash.FlashActivity
+import com.topjohnwu.magisk.ui.surequest.SuRequestActivity
+import com.topjohnwu.magisk.utils.refreshLocale
+import com.topjohnwu.magisk.utils.updateConfig
+
+fun AssetManager.addAssetPath(path: String) {
+    DynAPK.addAssetPath(this, path)
+}
+
+fun Context.wrap(global: Boolean = true): Context
+        = if (global) GlobalResContext(this) else ResContext(this)
+
+fun Context.wrapJob(): Context = object : GlobalResContext(this) {
+
+    override fun getApplicationContext(): Context {
+        return this
+    }
+
+    @SuppressLint("NewApi")
+    override fun getSystemService(name: String): Any? {
+        return if (!isRunningAsStub) super.getSystemService(name) else
+            when (name) {
+                Context.JOB_SCHEDULER_SERVICE ->
+                    JobSchedulerWrapper(super.getSystemService(name) as JobScheduler)
+                else -> super.getSystemService(name)
+            }
+    }
+}
+
+fun Class<*>.cmp(pkg: String): ComponentName {
+    val name = ClassMap[this].name
+    return ComponentName(pkg, Info.stub?.classToComponent?.get(name) ?: name)
+}
+
+inline fun <reified T> Context.intent() = Intent().setComponent(T::class.java.cmp(packageName))
+
+private open class GlobalResContext(base: Context) : ContextWrapper(base) {
+    open val mRes: Resources get() = ResourceMgr.resource
+
+    override fun getResources(): Resources {
+        return mRes
+    }
+
+    override fun getClassLoader(): ClassLoader {
+        return javaClass.classLoader!!
+    }
+
+    override fun createConfigurationContext(config: Configuration): Context {
+        return ResContext(super.createConfigurationContext(config))
+    }
+}
+
+private class ResContext(base: Context) : GlobalResContext(base) {
+    override val mRes by lazy { base.resources.patch() }
+
+    private fun Resources.patch(): Resources {
+        updateConfig()
+        if (isRunningAsStub)
+            assets.addAssetPath(ResourceMgr.resApk)
+        return this
+    }
+}
+
+object ResourceMgr {
+
+    lateinit var resource: Resources
+    lateinit var resApk: String
+
+    fun init(context: Context) {
+        resource = context.resources
+        refreshLocale()
+        if (isRunningAsStub) {
+            resApk = DynAPK.current(context).path
+            resource.assets.addAssetPath(resApk)
+        }
+    }
+}
+
+@RequiresApi(28)
+private class JobSchedulerWrapper(private val base: JobScheduler) : JobScheduler() {
+
+    override fun schedule(job: JobInfo): Int {
+        return base.schedule(job.patch())
+    }
+
+    override fun enqueue(job: JobInfo, work: JobWorkItem): Int {
+        return base.enqueue(job.patch(), work)
+    }
+
+    override fun cancel(jobId: Int) {
+        base.cancel(jobId)
+    }
+
+    override fun cancelAll() {
+        base.cancelAll()
+    }
+
+    override fun getAllPendingJobs(): List<JobInfo> {
+        return base.allPendingJobs
+    }
+
+    override fun getPendingJob(jobId: Int): JobInfo? {
+        return base.getPendingJob(jobId)
+    }
+
+    private fun JobInfo.patch(): JobInfo {
+        // We need to swap out the service of JobInfo
+        val name = service.className
+        val component = ComponentName(
+            service.packageName,
+            Info.stub!!.classToComponent[name] ?: name)
+
+        javaClass.forceGetDeclaredField("service")?.set(this, component)
+        return this
+    }
+}
+
+object ClassMap {
+
+    private val map = mapOf(
+        App::class.java to a.e::class.java,
+        MainActivity::class.java to a.b::class.java,
+        SplashActivity::class.java to a.c::class.java,
+        FlashActivity::class.java to a.f::class.java,
+        UpdateCheckService::class.java to a.g::class.java,
+        GeneralReceiver::class.java to a.h::class.java,
+        DownloadService::class.java to a.j::class.java,
+        SuRequestActivity::class.java to a.m::class.java,
+        ProcessPhoenix::class.java to a.r::class.java
+    )
+
+    operator fun get(c: Class<*>) = map.getOrElse(c) { c }
+}

app/src/main/java/com/topjohnwu/magisk/Info.kt

@@ -0,0 +1,77 @@
+package com.topjohnwu.magisk
+
+import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.subscribeK
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import com.topjohnwu.magisk.utils.CachedValue
+import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.ShellUtils
+import java.io.FileInputStream
+import java.io.IOException
+
+val isRunningAsStub get() = Info.stub != null
+
+object Info {
+
+    val envRef = CachedValue { loadState() }
+
+    val env by envRef              // Local
+    var remote = UpdateInfo()      // Remote
+    var stub: DynAPK.Data? = null  // Stub
+
+    var keepVerity = false
+    var keepEnc = false
+    var recovery = false
+
+    val isConnected by lazy {
+        KObservableField(false).also { field ->
+            ReactiveNetwork.observeNetworkConnectivity(get())
+                .subscribeK {
+                    field.value = it.available()
+                }
+        }
+    }
+
+    val isNewReboot by lazy {
+        try {
+            FileInputStream("/proc/sys/kernel/random/boot_id").bufferedReader().use {
+                val id = it.readLine()
+                if (id != Config.bootId) {
+                    Config.bootId = id
+                    true
+                } else {
+                    false
+                }
+            }
+        } catch (e: IOException) {
+            false
+        }
+    }
+
+    private fun loadState() = runCatching {
+        val str = ShellUtils.fastCmd("magisk -v").split(":".toRegex())[0]
+        val code = ShellUtils.fastCmd("magisk -V").toInt()
+        val hide = Shell.su("magiskhide --status").exec().isSuccess
+        Env(str, code, hide)
+    }.getOrElse { Env() }
+
+    class Env(
+        val magiskVersionString: String = "",
+        code: Int = -1,
+        hide: Boolean = false
+    ) {
+        val magiskHide get() = Config.magiskHide
+        val magiskVersionCode = when (code) {
+            in Int.MIN_VALUE..Const.Version.MIN_VERCODE -> -1
+            else -> if(Shell.rootAccess()) code else -1
+        }
+        val isUnsupported = code > 0 && code < Const.Version.MIN_VERCODE
+        val isActive = magiskVersionCode >= 0
+
+        init {
+            Config.magiskHide = hide
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/base/BaseActivity.kt

@@ -0,0 +1,124 @@
+package com.topjohnwu.magisk.base
+
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.res.Configuration
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.collection.SparseArrayCompat
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.base.viewmodel.BaseViewModel
+import com.topjohnwu.magisk.extensions.set
+import com.topjohnwu.magisk.model.events.EventHandler
+import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
+import com.topjohnwu.magisk.utils.currentLocale
+import com.topjohnwu.magisk.wrap
+import kotlin.random.Random
+
+typealias RequestCallback = BaseActivity<*, *>.(Int, Intent?) -> Unit
+
+abstract class BaseActivity<ViewModel : BaseViewModel, Binding : ViewDataBinding> :
+        AppCompatActivity(), EventHandler {
+
+    protected lateinit var binding: Binding
+    protected abstract val layoutRes: Int
+    protected abstract val viewModel: ViewModel
+    protected open val themeRes: Int = R.style.MagiskTheme
+    protected open val snackbarView get() = binding.root
+
+    private val resultCallbacks by lazy { SparseArrayCompat<RequestCallback>() }
+
+    init {
+        val theme = if (Config.darkTheme) {
+            AppCompatDelegate.MODE_NIGHT_YES
+        } else {
+            AppCompatDelegate.MODE_NIGHT_NO
+        }
+        AppCompatDelegate.setDefaultNightMode(theme)
+    }
+
+    override fun applyOverrideConfiguration(config: Configuration?) {
+        // Force applying our preferred local
+        config?.setLocale(currentLocale)
+        super.applyOverrideConfiguration(config)
+    }
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base.wrap(false))
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        setTheme(themeRes)
+        super.onCreate(savedInstanceState)
+
+        viewModel.viewEvents.observe(this, viewEventObserver)
+
+        binding = DataBindingUtil.setContentView<Binding>(this, layoutRes).apply {
+            setVariable(BR.viewModel, viewModel)
+            lifecycleOwner = this@BaseActivity
+        }
+    }
+
+    fun withPermissions(vararg permissions: String, builder: PermissionRequestBuilder.() -> Unit) {
+        val request = PermissionRequestBuilder().apply(builder).build()
+        val ungranted = permissions.filter {
+            ContextCompat.checkSelfPermission(this, it) != PackageManager.PERMISSION_GRANTED
+        }
+
+        if (ungranted.isEmpty()) {
+            request.onSuccess()
+        } else {
+            val requestCode = Random.nextInt(256, 512)
+            resultCallbacks[requestCode] =  { result, _ ->
+                if (result > 0)
+                    request.onSuccess()
+                else
+                    request.onFailure()
+            }
+            ActivityCompat.requestPermissions(this, ungranted.toTypedArray(), requestCode)
+        }
+    }
+
+    fun withExternalRW(builder: PermissionRequestBuilder.() -> Unit) {
+        withPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, builder = builder)
+    }
+
+    override fun onRequestPermissionsResult(
+            requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        var success = true
+        for (res in grantResults) {
+            if (res != PackageManager.PERMISSION_GRANTED) {
+                success = false
+                break
+            }
+        }
+        resultCallbacks[requestCode]?.apply {
+            resultCallbacks.remove(requestCode)
+            invoke(this@BaseActivity, if (success) 1 else -1, null)
+        }
+
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        resultCallbacks[requestCode]?.apply {
+            resultCallbacks.remove(requestCode)
+            invoke(this@BaseActivity, resultCode, data)
+        }
+    }
+
+    fun startActivityForResult(intent: Intent, requestCode: Int, listener: RequestCallback) {
+        resultCallbacks[requestCode] = listener
+        startActivityForResult(intent, requestCode)
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/base/BaseFragment.kt

@@ -0,0 +1,50 @@
+package com.topjohnwu.magisk.base
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.annotation.CallSuper
+import androidx.databinding.DataBindingUtil
+import androidx.databinding.ViewDataBinding
+import androidx.fragment.app.Fragment
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.base.viewmodel.BaseViewModel
+import com.topjohnwu.magisk.model.events.EventHandler
+import com.topjohnwu.magisk.model.events.ViewEvent
+
+abstract class BaseFragment<ViewModel : BaseViewModel, Binding : ViewDataBinding> :
+    Fragment(), EventHandler {
+
+    protected val activity get() = requireActivity() as BaseActivity<*, *>
+    protected lateinit var binding: Binding
+    protected abstract val layoutRes: Int
+    protected abstract val viewModel: ViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        viewModel.viewEvents.observe(this, viewEventObserver)
+    }
+
+    override fun onCreateView(
+            inflater: LayoutInflater,
+            container: ViewGroup?,
+            savedInstanceState: Bundle?
+    ): View? {
+        binding = DataBindingUtil.inflate<Binding>(inflater, layoutRes, container, false).apply {
+            setVariable(BR.viewModel, viewModel)
+            lifecycleOwner = this@BaseFragment
+        }
+
+        return binding.root
+    }
+
+    @CallSuper
+    override fun onEventDispatched(event: ViewEvent) {
+        super.onEventDispatched(event)
+        activity.onEventDispatched(event)
+    }
+
+    open fun onBackPressed(): Boolean = false
+
+}

app/src/main/java/com/topjohnwu/magisk/base/BasePreferenceFragment.kt

@@ -0,0 +1,56 @@
+package com.topjohnwu.magisk.base
+
+import android.annotation.SuppressLint
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.preference.*
+import androidx.recyclerview.widget.RecyclerView
+import org.koin.android.ext.android.inject
+
+abstract class BasePreferenceFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener {
+
+    protected val prefs: SharedPreferences by inject()
+    protected val activity get() = requireActivity() as BaseActivity<*, *>
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        val v = super.onCreateView(inflater, container, savedInstanceState)
+        prefs.registerOnSharedPreferenceChangeListener(this)
+        return v
+    }
+
+    override fun onDestroyView() {
+        prefs.unregisterOnSharedPreferenceChangeListener(this)
+        super.onDestroyView()
+    }
+
+    private fun setAllPreferencesToAvoidHavingExtraSpace(preference: Preference) {
+        preference.isIconSpaceReserved = false
+        if (preference is PreferenceGroup)
+            for (i in 0 until preference.preferenceCount)
+                setAllPreferencesToAvoidHavingExtraSpace(preference.getPreference(i))
+    }
+
+    override fun setPreferenceScreen(preferenceScreen: PreferenceScreen?) {
+        if (preferenceScreen != null)
+            setAllPreferencesToAvoidHavingExtraSpace(preferenceScreen)
+        super.setPreferenceScreen(preferenceScreen)
+    }
+
+    override fun onCreateAdapter(preferenceScreen: PreferenceScreen?): RecyclerView.Adapter<*> =
+            object : PreferenceGroupAdapter(preferenceScreen) {
+                @SuppressLint("RestrictedApi")
+                override fun onPreferenceHierarchyChange(preference: Preference?) {
+                    if (preference != null)
+                        setAllPreferencesToAvoidHavingExtraSpace(preference)
+                    super.onPreferenceHierarchyChange(preference)
+                }
+            }
+}

app/src/main/java/com/topjohnwu/magisk/base/BaseReceiver.kt

@@ -0,0 +1,17 @@
+package com.topjohnwu.magisk.base
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.ContextWrapper
+import android.content.Intent
+import com.topjohnwu.magisk.wrap
+import org.koin.core.KoinComponent
+
+abstract class BaseReceiver : BroadcastReceiver(), KoinComponent {
+
+    final override fun onReceive(context: Context, intent: Intent?) {
+        onReceive(context.wrap() as ContextWrapper, intent)
+    }
+
+    abstract fun onReceive(context: ContextWrapper, intent: Intent?)
+}

app/src/main/java/com/topjohnwu/magisk/base/BaseService.kt

@@ -0,0 +1,12 @@
+package com.topjohnwu.magisk.base
+
+import android.app.Service
+import android.content.Context
+import com.topjohnwu.magisk.wrap
+import org.koin.core.KoinComponent
+
+abstract class BaseService : Service(), KoinComponent {
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base.wrap())
+    }
+}

app/src/main/java/com/topjohnwu/magisk/base/DelegateWorker.kt

@@ -0,0 +1,59 @@
+package com.topjohnwu.magisk.base
+
+import android.content.Context
+import android.net.Network
+import android.net.Uri
+import androidx.annotation.MainThread
+import androidx.annotation.RequiresApi
+import androidx.work.Data
+import androidx.work.ListenableWorker
+import com.google.common.util.concurrent.ListenableFuture
+import java.util.*
+
+abstract class DelegateWorker {
+
+    private lateinit var worker: ListenableWorker
+
+    val applicationContext: Context
+        get() = worker.applicationContext
+
+    val id: UUID
+        get() = worker.id
+
+    val inputData: Data
+        get() = worker.inputData
+
+    val tags: Set<String>
+        get() = worker.tags
+
+    val triggeredContentUris: List<Uri>
+        @RequiresApi(24)
+        get() = worker.triggeredContentUris
+
+    val triggeredContentAuthorities: List<String>
+        @RequiresApi(24)
+        get() = worker.triggeredContentAuthorities
+
+    val network: Network?
+        @RequiresApi(28)
+        get() = worker.network
+
+    val runAttemptCount: Int
+        get() = worker.runAttemptCount
+
+    val isStopped: Boolean
+        get() = worker.isStopped
+
+    abstract fun doWork(): ListenableWorker.Result
+
+    fun onStopped() {}
+
+    fun attachWorker(w: ListenableWorker) {
+        worker = w
+    }
+
+    @MainThread
+    fun startWork(): ListenableFuture<ListenableWorker.Result> {
+        return worker.startWork()
+    }
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/BaseViewModel.kt

@@ -0,0 +1,35 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import com.topjohnwu.magisk.base.BaseActivity
+import com.topjohnwu.magisk.extensions.doOnSubscribeUi
+import com.topjohnwu.magisk.model.events.BackPressEvent
+import com.topjohnwu.magisk.model.events.PermissionEvent
+import com.topjohnwu.magisk.model.events.ViewActionEvent
+import com.topjohnwu.magisk.utils.KObservableField
+import io.reactivex.Observable
+import io.reactivex.subjects.PublishSubject
+import com.topjohnwu.magisk.Info.isConnected as gIsConnected
+
+
+abstract class BaseViewModel(
+    initialState: State = State.LOADING
+) : LoadingViewModel(initialState) {
+
+    val isConnected = object : KObservableField<Boolean>(gIsConnected.value, gIsConnected) {
+        override fun get(): Boolean {
+            return gIsConnected.value
+        }
+    }
+
+    fun withView(action: BaseActivity<*, *>.() -> Unit) {
+        ViewActionEvent(action).publish()
+    }
+
+    fun withPermissions(vararg permissions: String): Observable<Boolean> {
+        val subject = PublishSubject.create<Boolean>()
+        return subject.doOnSubscribeUi { PermissionEvent(permissions.toList(), subject).publish() }
+    }
+
+    fun back() = BackPressEvent().publish()
+
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/LoadingViewModel.kt

@@ -0,0 +1,78 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.databinding.Bindable
+import com.topjohnwu.magisk.BR
+import io.reactivex.*
+
+abstract class LoadingViewModel(defaultState: State = State.LOADING) :
+    StatefulViewModel<LoadingViewModel.State>(defaultState) {
+
+    val loading @Bindable get() = state == State.LOADING
+    val loaded @Bindable get() = state == State.LOADED
+    val loadingFailed @Bindable get() = state == State.LOADING_FAILED
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADING", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoading() {
+        state = State.LOADING
+    }
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADED", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoaded() {
+        state = State.LOADED
+    }
+
+    @Deprecated(
+        "Direct access is recommended since 0.2. This access method will be removed in 1.0",
+        ReplaceWith("state = State.LOADING_FAILED", "com.topjohnwu.magisk.base.viewmodel.LoadingViewModel.State"),
+        DeprecationLevel.WARNING
+    )
+    fun setLoadingFailed() {
+        state = State.LOADING_FAILED
+    }
+
+    override fun notifyStateChanged() {
+        notifyPropertyChanged(BR.loading)
+        notifyPropertyChanged(BR.loaded)
+        notifyPropertyChanged(BR.loadingFailed)
+    }
+
+    enum class State {
+        LOADED, LOADING, LOADING_FAILED
+    }
+
+    //region Rx
+    protected fun <T> Observable<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnNext { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Single<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnSuccess { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Maybe<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnComplete { if (allowFinishing) viewModel.state = State.LOADED }
+            .doOnSuccess { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun <T> Flowable<T>.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnNext { if (allowFinishing) viewModel.state = State.LOADED }
+
+    protected fun Completable.applyViewModel(viewModel: LoadingViewModel, allowFinishing: Boolean = true) =
+        doOnSubscribe { viewModel.state = State.LOADING }
+            .doOnError { viewModel.state = State.LOADING_FAILED }
+            .doOnComplete { if (allowFinishing) viewModel.state = State.LOADED }
+    //endregion
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/ObservableViewModel.kt

@@ -0,0 +1,46 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.databinding.Observable
+import androidx.databinding.PropertyChangeRegistry
+import androidx.lifecycle.ViewModel
+
+/**
+ * Copy of [android.databinding.BaseObservable] which extends [ViewModel]
+ */
+abstract class ObservableViewModel : TeanityViewModel(), Observable {
+
+    @Transient
+    private var callbacks: PropertyChangeRegistry? = null
+
+    @Synchronized
+    override fun addOnPropertyChangedCallback(callback: Observable.OnPropertyChangedCallback) {
+        if (callbacks == null) {
+            callbacks = PropertyChangeRegistry()
+        }
+        callbacks?.add(callback)
+    }
+
+    @Synchronized
+    override fun removeOnPropertyChangedCallback(callback: Observable.OnPropertyChangedCallback) {
+        callbacks?.remove(callback)
+    }
+
+    /**
+     * Notifies listeners that all properties of this instance have changed.
+     */
+    @Synchronized
+    fun notifyChange() {
+        callbacks?.notifyCallbacks(this, 0, null)
+    }
+
+    /**
+     * Notifies listeners that a specific property has changed. The getter for the property
+     * that changes should be marked with [android.databinding.Bindable] to generate a field in
+     * `BR` to be used as `fieldId`.
+     *
+     * @param fieldId The generated BR id for the Bindable field.
+     */
+    fun notifyPropertyChanged(fieldId: Int) {
+        callbacks?.notifyCallbacks(this, fieldId, null)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/StatefulViewModel.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+abstract class StatefulViewModel<State : Enum<*>>(
+    val defaultState: State
+) : ObservableViewModel() {
+
+    var state: State = defaultState
+        set(value) {
+            field = value
+            notifyStateChanged()
+        }
+
+    open fun notifyStateChanged() = Unit
+
+}

app/src/main/java/com/topjohnwu/magisk/base/viewmodel/TeanityViewModel.kt

@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.base.viewmodel
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.topjohnwu.magisk.model.events.SimpleViewEvent
+import com.topjohnwu.magisk.model.events.ViewEvent
+import io.reactivex.disposables.CompositeDisposable
+import io.reactivex.disposables.Disposable
+
+abstract class TeanityViewModel : ViewModel() {
+
+    private val disposables = CompositeDisposable()
+    private val _viewEvents = MutableLiveData<ViewEvent>()
+    val viewEvents: LiveData<ViewEvent> get() = _viewEvents
+
+    override fun onCleared() {
+        super.onCleared()
+        disposables.clear()
+    }
+
+    fun <Event : ViewEvent> Event.publish() {
+        _viewEvents.value = this
+    }
+
+    fun Int.publish() {
+        _viewEvents.value = SimpleViewEvent(this)
+    }
+
+    fun Disposable.add() {
+        disposables.add(this)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/data/database/MagiskDB.java

@@ -1,190 +0,0 @@
-package com.topjohnwu.magisk.data.database;
-
-import android.content.ContentValues;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.text.TextUtils;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.model.entity.SuLogEntry;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.superuser.Shell;
-
-import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-public class MagiskDB {
-
-    private static final String POLICY_TABLE = "policies";
-    private static final String LOG_TABLE = "logs";
-    private static final String SETTINGS_TABLE = "settings";
-    private static final String STRINGS_TABLE = "strings";
-
-    private PackageManager pm;
-
-    public MagiskDB(Context context) {
-        pm = context.getPackageManager();
-    }
-
-    public void deletePolicy(Policy policy) {
-        deletePolicy(policy.uid);
-    }
-
-    private List<String> rawSQL(String fmt, Object... args) {
-        return Shell.su("magisk --sqlite '" + Utils.fmt(fmt, args) + "'").exec().getOut();
-    }
-
-    private List<ContentValues> SQL(String fmt, Object... args) {
-        List<ContentValues> list = new ArrayList<>();
-        for (String raw : rawSQL(fmt, args)) {
-            ContentValues values = new ContentValues();
-            String[] cols = raw.split("\\|");
-            for (String col : cols) {
-                String[] pair = col.split("=", 2);
-                if (pair.length != 2)
-                    continue;
-                values.put(pair[0], pair[1]);
-            }
-            list.add(values);
-        }
-        return list;
-    }
-
-    private String toSQL(ContentValues values) {
-        StringBuilder keys = new StringBuilder(), vals = new StringBuilder();
-        keys.append('(');
-        vals.append("VALUES(");
-        boolean first = true;
-        for (Map.Entry<String, Object> entry : values.valueSet()) {
-            if (!first) {
-                keys.append(',');
-                vals.append(',');
-            } else {
-                first = false;
-            }
-            keys.append(entry.getKey());
-            vals.append('"');
-            vals.append(entry.getValue());
-            vals.append('"');
-        }
-        keys.append(')');
-        vals.append(')');
-        keys.append(vals);
-        return keys.toString();
-    }
-
-    public void clearOutdated() {
-        rawSQL(
-                "DELETE FROM %s WHERE until > 0 AND until < %d;" +
-                        "DELETE FROM %s WHERE time < %d",
-                POLICY_TABLE, System.currentTimeMillis() / 1000,
-                LOG_TABLE, System.currentTimeMillis() - Config.suLogTimeout * 86400000
-        );
-    }
-
-    public void deletePolicy(String pkg) {
-        rawSQL("DELETE FROM %s WHERE package_name=\"%s\"", POLICY_TABLE, pkg);
-    }
-
-    public void deletePolicy(int uid) {
-        rawSQL("DELETE FROM %s WHERE uid=%d", POLICY_TABLE, uid);
-    }
-
-    public Policy getPolicy(int uid) {
-        List<ContentValues> res =
-                SQL("SELECT * FROM %s WHERE uid=%d", POLICY_TABLE, uid);
-        if (!res.isEmpty()) {
-            try {
-                return new Policy(res.get(0), pm);
-            } catch (PackageManager.NameNotFoundException e) {
-                deletePolicy(uid);
-            }
-        }
-        return null;
-    }
-
-    public void updatePolicy(Policy policy) {
-        rawSQL("REPLACE INTO %s %s", POLICY_TABLE, toSQL(policy.getContentValues()));
-    }
-
-    public List<Policy> getPolicyList() {
-        List<Policy> list = new ArrayList<>();
-        for (ContentValues values : SQL("SELECT * FROM %s WHERE uid/100000=%d", POLICY_TABLE, Const.USER_ID)) {
-            try {
-                list.add(new Policy(values, pm));
-            } catch (PackageManager.NameNotFoundException e) {
-                deletePolicy(values.getAsInteger("uid"));
-            }
-        }
-        Collections.sort(list);
-        return list;
-    }
-
-    public List<List<SuLogEntry>> getLogs() {
-        List<List<SuLogEntry>> ret = new ArrayList<>();
-        List<SuLogEntry> list = null;
-        String dateString = null, newString;
-        for (ContentValues values : SQL("SELECT * FROM %s ORDER BY time DESC", LOG_TABLE)) {
-            Date date = new Date(values.getAsLong("time"));
-            newString = DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale).format(date);
-            if (!TextUtils.equals(dateString, newString)) {
-                dateString = newString;
-                list = new ArrayList<>();
-                ret.add(list);
-            }
-            list.add(new SuLogEntry(values));
-        }
-        return ret;
-    }
-
-    public void addLog(SuLogEntry log) {
-        rawSQL("INSERT INTO %s %s", LOG_TABLE, toSQL(log.getContentValues()));
-    }
-
-    public void clearLogs() {
-        rawSQL("DELETE FROM %s", LOG_TABLE);
-    }
-
-    public void rmSettings(String key) {
-        rawSQL("DELETE FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
-    }
-
-    public void setSettings(String key, int value) {
-        ContentValues data = new ContentValues();
-        data.put("key", key);
-        data.put("value", value);
-        rawSQL("REPLACE INTO %s %s", SETTINGS_TABLE, toSQL(data));
-    }
-
-    public int getSettings(String key, int defaultValue) {
-        List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", SETTINGS_TABLE, key);
-        if (res.isEmpty())
-            return defaultValue;
-        return res.get(0).getAsInteger("value");
-    }
-
-    public void setStrings(String key, String value) {
-        if (value == null) {
-            rawSQL("DELETE FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
-            return;
-        }
-        ContentValues data = new ContentValues();
-        data.put("key", key);
-        data.put("value", value);
-        rawSQL("REPLACE INTO %s %s", STRINGS_TABLE, toSQL(data));
-    }
-
-    public String getStrings(String key, String defaultValue) {
-        List<ContentValues> res = SQL("SELECT value FROM %s WHERE key=\"%s\"", STRINGS_TABLE, key);
-        if (res.isEmpty())
-            return defaultValue;
-        return res.get(0).getAsString("value");
-    }
-}

app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt

@@ -0,0 +1,78 @@
+package com.topjohnwu.magisk.data.database
+
+import android.content.Context
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.magiskdb.BaseDao
+import com.topjohnwu.magisk.data.database.magiskdb.Delete
+import com.topjohnwu.magisk.data.database.magiskdb.Replace
+import com.topjohnwu.magisk.data.database.magiskdb.Select
+import com.topjohnwu.magisk.extensions.now
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
+import com.topjohnwu.magisk.model.entity.toMap
+import com.topjohnwu.magisk.model.entity.toPolicy
+import timber.log.Timber
+import java.util.concurrent.TimeUnit
+
+
+class PolicyDao(
+    private val context: Context
+) : BaseDao() {
+
+    override val table: String = Table.POLICY
+
+    fun deleteOutdated(
+        nowSeconds: Long = TimeUnit.MILLISECONDS.toSeconds(now)
+    ) = query<Delete> {
+        condition {
+            greaterThan("until", "0")
+            and {
+                lessThan("until", nowSeconds.toString())
+            }
+            or {
+                lessThan("until", "0")
+            }
+        }
+    }.ignoreElement()
+
+    fun delete(packageName: String) = query<Delete> {
+        condition {
+            equals("package_name", packageName)
+        }
+    }.ignoreElement()
+
+    fun delete(uid: Int) = query<Delete> {
+        condition {
+            equals("uid", uid)
+        }
+    }.ignoreElement()
+
+    fun fetch(uid: Int) = query<Select> {
+        condition {
+            equals("uid", uid)
+        }
+    }.map { it.first().toPolicySafe() }
+
+    fun update(policy: MagiskPolicy) = query<Replace> {
+        values(policy.toMap())
+    }.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        condition {
+            equals("uid/100000", Const.USER_ID)
+        }
+    }.map { it.mapNotNull { it.toPolicySafe() } }
+
+
+    private fun Map<String, String>.toPolicySafe(): MagiskPolicy? {
+        return runCatching { toPolicy(context.packageManager) }.getOrElse {
+            Timber.e(it)
+            if (it is PackageManager.NameNotFoundException) {
+                val uid = getOrElse("uid") { null } ?: return null
+                delete(uid).subscribe()
+            }
+            null
+        }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/RepoDao.kt

@@ -0,0 +1,69 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.*
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.model.entity.module.Repo
+
+@Database(version = 6, entities = [Repo::class, RepoEtag::class])
+abstract class RepoDatabase : RoomDatabase() {
+
+    abstract fun repoDao() : RepoDao
+}
+
+@Dao
+abstract class RepoDao(private val db: RepoDatabase) {
+
+    val repoIDList get() = getRepoID().map { it.id }
+
+    val repos: List<Repo> get() = when (Config.repoOrder) {
+            Config.Value.ORDER_NAME -> getReposNameOrder()
+            else -> getReposDateOrder()
+        }
+
+    var etagKey: String
+        set(value) = addEtagRaw(RepoEtag(0, value))
+        get() = etagRaw()?.key.orEmpty()
+
+    fun clear() = db.clearAllTables()
+
+    @Query("SELECT * FROM repos ORDER BY last_update DESC")
+    protected abstract fun getReposDateOrder(): List<Repo>
+
+    @Query("SELECT * FROM repos ORDER BY name COLLATE NOCASE")
+    protected abstract fun getReposNameOrder(): List<Repo>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    abstract fun addRepo(repo: Repo)
+
+    @Query("SELECT * FROM repos WHERE id = :id")
+    abstract fun getRepo(id: String): Repo?
+
+    @Query("SELECT id FROM repos")
+    protected abstract fun getRepoID(): List<RepoID>
+
+    @Delete
+    abstract fun removeRepo(repo: Repo)
+
+    @Query("DELETE FROM repos WHERE id = :id")
+    abstract fun removeRepo(id: String)
+
+    @Query("DELETE FROM repos WHERE id IN (:idList)")
+    abstract fun removeRepos(idList: Collection<String>)
+
+    @Query("SELECT * FROM etag")
+    protected abstract fun etagRaw(): RepoEtag?
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    protected abstract fun addEtagRaw(etag: RepoEtag)
+}
+
+data class RepoID(
+    @PrimaryKey val id: String
+)
+
+@Entity(tableName = "etag")
+data class RepoEtag(
+    @PrimaryKey val id: Int,
+    val key: String
+)
+

app/src/main/java/com/topjohnwu/magisk/data/database/RepoDatabaseHelper.java

@@ -1,107 +0,0 @@
-package com.topjohnwu.magisk.data.database;
-
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.model.entity.Repo;
-
-import java.util.HashSet;
-import java.util.Set;
-
-public class RepoDatabaseHelper extends SQLiteOpenHelper {
-
-    private static final int DATABASE_VER = 5;
-    private static final String TABLE_NAME = "repos";
-
-    private SQLiteDatabase mDb;
-
-    public RepoDatabaseHelper(Context context) {
-        super(context, "repo.db", null, DATABASE_VER);
-        mDb = getWritableDatabase();
-    }
-
-    @Override
-    public void onCreate(SQLiteDatabase db) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    @Override
-    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        if (oldVersion != newVersion) {
-            // Nuke old DB and create new table
-            db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
-            db.execSQL(
-                    "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " " +
-                            "(id TEXT, name TEXT, version TEXT, versionCode INT, " +
-                            "author TEXT, description TEXT, last_update INT, PRIMARY KEY(id))");
-            Config.remove(Config.Key.ETAG_KEY);
-        }
-    }
-
-    @Override
-    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
-        onUpgrade(db, 0, DATABASE_VER);
-    }
-
-    public void clearRepo() {
-        mDb.delete(TABLE_NAME, null, null);
-    }
-
-
-    public void removeRepo(String id) {
-        mDb.delete(TABLE_NAME, "id=?", new String[] { id });
-    }
-
-    public void removeRepo(Repo repo) {
-        removeRepo(repo.getId());
-    }
-
-    public void removeRepo(Iterable<String> list) {
-        for (String id : list) {
-            if (id == null) continue;
-            mDb.delete(TABLE_NAME, "id=?", new String[] { id });
-        }
-    }
-
-    public void addRepo(Repo repo) {
-        mDb.replace(TABLE_NAME, null, repo.getContentValues());
-    }
-
-    public Repo getRepo(String id) {
-        try (Cursor c = mDb.query(TABLE_NAME, null, "id=?", new String[] { id }, null, null, null)) {
-            if (c.moveToNext()) {
-                return new Repo(c);
-            }
-        }
-        return null;
-    }
-
-    public Cursor getRawCursor() {
-        return mDb.query(TABLE_NAME, null, null, null, null, null, null);
-    }
-
-    public Cursor getRepoCursor() {
-        String orderBy = null;
-        switch ((int) Config.get(Config.Key.REPO_ORDER)) {
-            case Config.Value.ORDER_NAME:
-                orderBy = "name COLLATE NOCASE";
-                break;
-            case Config.Value.ORDER_DATE:
-                orderBy = "last_update DESC";
-        }
-        return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy);
-    }
-
-    public Set<String> getRepoIDSet() {
-        HashSet<String> set = new HashSet<>(300);
-        try (Cursor c = mDb.query(TABLE_NAME, null, null, null, null, null, null)) {
-            while (c.moveToNext()) {
-                set.add(c.getString(c.getColumnIndex("id")));
-            }
-        }
-        return set;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/data/database/SettingsDao.kt

@@ -0,0 +1,25 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.magiskdb.BaseDao
+import com.topjohnwu.magisk.data.database.magiskdb.Delete
+import com.topjohnwu.magisk.data.database.magiskdb.Replace
+import com.topjohnwu.magisk.data.database.magiskdb.Select
+
+class SettingsDao : BaseDao() {
+
+    override val table = Table.SETTINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: Int) = query<Replace> {
+        values("key" to key, "value" to value)
+    }.ignoreElement()
+
+    fun fetch(key: String, default: Int = -1) = query<Select> {
+        fields("value")
+        condition { equals("key", key) }
+    }.map { it.firstOrNull()?.values?.firstOrNull()?.toIntOrNull() ?: default }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/StringDao.kt

@@ -0,0 +1,25 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.magiskdb.BaseDao
+import com.topjohnwu.magisk.data.database.magiskdb.Delete
+import com.topjohnwu.magisk.data.database.magiskdb.Replace
+import com.topjohnwu.magisk.data.database.magiskdb.Select
+
+class StringDao : BaseDao() {
+
+    override val table = Table.STRINGS
+
+    fun delete(key: String) = query<Delete> {
+        condition { equals("key", key) }
+    }.ignoreElement()
+
+    fun put(key: String, value: String) = query<Replace> {
+        values("key" to key, "value" to value)
+    }.ignoreElement()
+
+    fun fetch(key: String, default: String = "") = query<Select> {
+        fields("value")
+        condition { equals("key", key) }
+    }.map { it.firstOrNull()?.values?.firstOrNull() ?: default }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/SuLogDao.kt

@@ -0,0 +1,36 @@
+package com.topjohnwu.magisk.data.database
+
+import androidx.room.*
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import io.reactivex.Completable
+import io.reactivex.Single
+import java.util.*
+
+@Database(version = 1, entities = [MagiskLog::class])
+abstract class SuLogDatabase : RoomDatabase() {
+
+    abstract fun suLogDao(): SuLogDao
+}
+
+@Dao
+abstract class SuLogDao(private val db: SuLogDatabase) {
+
+    private val twoWeeksAgo =
+        Calendar.getInstance().apply { add(Calendar.WEEK_OF_YEAR, -2) }.timeInMillis
+
+    fun deleteAll() = Completable.fromAction { db.clearAllTables() }
+
+    fun fetchAll() = deleteOutdated().andThen(fetch())
+
+    @Query("SELECT * FROM logs ORDER BY time DESC")
+    protected abstract fun fetch(): Single<MutableList<MagiskLog>>
+
+    @Insert
+    abstract fun insert(log: MagiskLog): Completable
+
+    @Query("DELETE FROM logs WHERE time < :timeout")
+    protected abstract fun deleteOutdated(
+        timeout: Long = twoWeeksAgo
+    ): Completable
+
+}

app/src/main/java/com/topjohnwu/magisk/data/database/magiskdb/BaseDao.kt

@@ -0,0 +1,44 @@
+package com.topjohnwu.magisk.data.database.magiskdb
+
+import androidx.annotation.StringDef
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+abstract class BaseDao {
+
+    object Table {
+        const val POLICY = "policies"
+        const val LOG = "logs"
+        const val SETTINGS = "settings"
+        const val STRINGS = "strings"
+    }
+
+    @StringDef(Table.POLICY, Table.LOG, Table.SETTINGS, Table.STRINGS)
+    @Retention(AnnotationRetention.SOURCE)
+    annotation class TableStrict
+
+    @TableStrict
+    abstract val table: String
+
+    inline fun <reified Builder : Query.Builder> query(builder: Builder.() -> Unit = {}) =
+        Builder::class.java.newInstance()
+            .apply { table = this@BaseDao.table }
+            .apply(builder)
+            .toString()
+            .let { Query(it) }
+            .query()
+
+}
+
+fun Query.query() = query.su()
+
+private fun String.suRaw() = Single.fromCallable { Shell.su(this).exec().out }
+private fun String.su() = suRaw().map { it.toMap() }
+
+private fun List<String>.toMap() = map { it.split(Regex("\\|")) }
+    .map { it.toMapInternal() }
+
+private fun List<String>.toMapInternal() = map { it.split("=", limit = 2) }
+    .filter { it.size == 2 }
+    .map { Pair(it[0], it[1]) }
+    .toMap()

app/src/main/java/com/topjohnwu/magisk/data/database/magiskdb/Query.kt

@@ -0,0 +1,137 @@
+package com.topjohnwu.magisk.data.database.magiskdb
+
+import androidx.annotation.StringDef
+
+class Query(private val _query: String) {
+    val query get() = "magisk --sqlite '$_query'"
+
+    interface Builder {
+        val requestType: String
+        var table: String
+    }
+}
+
+class Delete : Query.Builder {
+    override val requestType: String = "DELETE FROM"
+    override var table = ""
+
+    private var condition = ""
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, condition).joinToString(" ")
+    }
+}
+
+class Select : Query.Builder {
+    override val requestType: String get() = "SELECT $fields FROM"
+    override lateinit var table: String
+
+    private var fields = "*"
+    private var condition = ""
+    private var orderField = ""
+
+    fun fields(vararg newFields: String) {
+        if (newFields.isEmpty()) {
+            fields = "*"
+            return
+        }
+        fields = newFields.joinToString(", ")
+    }
+
+    fun condition(builder: Condition.() -> Unit) {
+        condition = Condition().apply(builder).toString()
+    }
+
+    fun orderBy(field: String, @OrderStrict order: String) {
+        orderField = "ORDER BY $field $order"
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, condition, orderField).joinToString(" ")
+    }
+}
+
+class Replace : Insert() {
+    override val requestType: String = "REPLACE INTO"
+}
+
+open class Insert : Query.Builder {
+    override val requestType: String = "INSERT INTO"
+    override lateinit var table: String
+
+    private val keys get() = _values.keys.joinToString(",")
+    private val values get() = _values.values.joinToString(",") {
+        when (it) {
+            is Boolean -> if (it) "1" else "0"
+            is Number -> it.toString()
+            else -> "\"$it\""
+        }
+    }
+    private var _values: Map<String, Any> = mapOf()
+
+    fun values(vararg pairs: Pair<String, Any>) {
+        _values = pairs.toMap()
+    }
+
+    fun values(values: Map<String, Any>) {
+        _values = values
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, "($keys) VALUES($values)").joinToString(" ")
+    }
+}
+
+class Condition {
+
+    private val conditionWord = "WHERE %s"
+    private var condition: String = ""
+
+    fun equals(field: String, value: Any) {
+        condition = when (value) {
+            is String -> "$field=\"$value\""
+            else -> "$field=$value"
+        }
+    }
+
+    fun greaterThan(field: String, value: String) {
+        condition = "$field > $value"
+    }
+
+    fun lessThan(field: String, value: String) {
+        condition = "$field < $value"
+    }
+
+    fun greaterOrEqualTo(field: String, value: String) {
+        condition = "$field >= $value"
+    }
+
+    fun lessOrEqualTo(field: String, value: String) {
+        condition = "$field <= $value"
+    }
+
+    fun and(builder: Condition.() -> Unit) {
+        condition = "($condition AND ${Condition().apply(builder).condition})"
+    }
+
+    fun or(builder: Condition.() -> Unit) {
+        condition = "($condition OR ${Condition().apply(builder).condition})"
+    }
+
+    override fun toString(): String {
+        return conditionWord.format(condition)
+    }
+}
+
+object Order {
+    const val ASC = "ASC"
+    const val DESC = "DESC"
+}
+
+@StringDef(Order.ASC, Order.DESC)
+@Retention(AnnotationRetention.SOURCE)
+annotation class OrderStrict

app/src/main/java/com/topjohnwu/magisk/data/network/GithubServices.kt

@@ -0,0 +1,81 @@
+package com.topjohnwu.magisk.data.network
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import com.topjohnwu.magisk.tasks.GithubRepoInfo
+import io.reactivex.Flowable
+import io.reactivex.Single
+import okhttp3.ResponseBody
+import retrofit2.adapter.rxjava2.Result
+import retrofit2.http.*
+
+interface GithubRawServices {
+
+    //region topjohnwu/magisk_files
+
+    @GET("$MAGISK_FILES/master/stable.json")
+    fun fetchStableUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/master/beta.json")
+    fun fetchBetaUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/canary/release.json")
+    fun fetchCanaryUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/canary/debug.json")
+    fun fetchCanaryDebugUpdate(): Single<UpdateInfo>
+
+    @GET
+    fun fetchCustomUpdate(@Url url: String): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/{$REVISION}/snet.jar")
+    @Streaming
+    fun fetchSafetynet(@Path(REVISION) revision: String = Const.SNET_REVISION): Single<ResponseBody>
+
+    @GET("$MAGISK_FILES/{$REVISION}/bootctl")
+    @Streaming
+    fun fetchBootctl(@Path(REVISION) revision: String = Const.BOOTCTL_REVISION): Single<ResponseBody>
+
+    @GET("$MAGISK_MASTER/scripts/module_installer.sh")
+    @Streaming
+    fun fetchInstaller(): Single<ResponseBody>
+
+    @GET("$MAGISK_MODULES/{$MODULE}/master/{$FILE}")
+    fun fetchModuleInfo(@Path(MODULE) id: String, @Path(FILE) file: String): Single<String>
+
+    //endregion
+
+    /**
+     * This method shall be used exclusively for fetching files from urls from previous requests.
+     * Him, who uses it in a wrong way, shall die in an eternal flame.
+     * */
+    @GET
+    @Streaming
+    fun fetchFile(@Url url: String): Single<ResponseBody>
+
+    @GET
+    fun fetchString(@Url url: String): Single<String>
+
+
+    companion object {
+        private const val REVISION = "revision"
+        private const val MODULE = "module"
+        private const val FILE = "file"
+
+
+        private const val MAGISK_FILES = "topjohnwu/magisk_files"
+        private const val MAGISK_MASTER = "topjohnwu/Magisk/master"
+        private const val MAGISK_MODULES = "Magisk-Modules-Repo"
+    }
+
+}
+
+interface GithubApiServices {
+
+    @GET("repos")
+    fun fetchRepos(@Query("page") page: Int,
+                   @Header(Const.Key.IF_NONE_MATCH) etag: String,
+                   @Query("sort") sort: String = "pushed",
+                   @Query("per_page") count: Int = 100): Flowable<Result<List<GithubRepoInfo>>>
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/DBConfig.kt

@@ -0,0 +1,106 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import io.reactivex.schedulers.Schedulers
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+interface DBConfig {
+    val settingsDao: SettingsDao
+    val stringDao: StringDao
+
+    fun dbSettings(
+        name: String,
+        default: Int
+    ) = DBSettingsValue(name, default)
+
+    fun dbSettings(
+        name: String,
+        default: Boolean
+    ) = DBBoolSettings(name, default)
+
+    fun dbStrings(
+        name: String,
+        default: String,
+        sync: Boolean = false
+    ) = DBStringsValue(name, default, sync)
+
+}
+
+class DBSettingsValue(
+    private val name: String,
+    private val default: Int
+) : ReadWriteProperty<DBConfig, Int> {
+
+    private var value: Int? = null
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Int {
+        if (value == null)
+            value = thisRef.settingsDao.fetch(name, default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Int) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.settingsDao.put(name, value)
+            .subscribeOn(Schedulers.io())
+            .subscribe()
+    }
+}
+
+class DBBoolSettings(
+    name: String,
+    default: Boolean
+) : ReadWriteProperty<DBConfig, Boolean> {
+
+    val base = DBSettingsValue(name, if (default) 1 else 0)
+
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Boolean =
+        base.getValue(thisRef, property) != 0
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Boolean) =
+        base.setValue(thisRef, property, if (value) 1 else 0)
+}
+
+class DBStringsValue(
+    private val name: String,
+    private val default: String,
+    private val sync: Boolean
+) : ReadWriteProperty<DBConfig, String> {
+
+    private var value: String? = null
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): String {
+        if (value == null)
+            value = thisRef.stringDao.fetch(name, default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: String) {
+        synchronized(this) {
+            this.value = value
+        }
+        if (value.isEmpty()) {
+            if (sync) {
+                thisRef.stringDao.delete(name).blockingAwait()
+            } else {
+                thisRef.stringDao.delete(name)
+                    .subscribeOn(Schedulers.io())
+                    .subscribe()
+            }
+        } else {
+            if (sync) {
+                thisRef.stringDao.put(name, value).blockingAwait()
+            } else {
+                thisRef.stringDao.put(name, value)
+                    .subscribeOn(Schedulers.io())
+                    .subscribe()
+            }
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt

@@ -0,0 +1,38 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.SuLogDao
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Completable
+import io.reactivex.Single
+import java.util.concurrent.TimeUnit
+
+
+class LogRepository(
+    private val logDao: SuLogDao
+) {
+
+    fun fetchLogs() = logDao.fetchAll().map { it.wrap() }
+
+    fun fetchMagiskLogs() = Single.fromCallable {
+        Shell.su("tail -n 5000 ${Const.MAGISK_LOG}").exec().out
+    }.flattenAsFlowable { it }.filter { it.isNotEmpty() }
+
+    fun clearLogs() = logDao.deleteAll()
+
+    fun clearMagiskLogs() = Completable.fromAction {
+        Shell.su("echo -n > ${Const.MAGISK_LOG}").exec()
+    }
+
+    fun insert(log: MagiskLog) = logDao.insert(log)
+
+    private fun List<MagiskLog>.wrap(): List<WrappedMagiskLog> {
+        val day = TimeUnit.DAYS.toMillis(1)
+        return groupBy { it.time / day }
+            .map { WrappedMagiskLog(it.key * day, it.value) }
+    }
+
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/MagiskRepository.kt

@@ -0,0 +1,76 @@
+package com.topjohnwu.magisk.data.repository
+
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.extensions.getLabel
+import com.topjohnwu.magisk.extensions.packageName
+import com.topjohnwu.magisk.extensions.toSingle
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+class MagiskRepository(
+        private val apiRaw: GithubRawServices,
+        private val packageManager: PackageManager
+) {
+
+    fun fetchSafetynet() = apiRaw.fetchSafetynet()
+
+    fun fetchUpdate() = when (Config.updateChannel) {
+        Config.Value.DEFAULT_CHANNEL, Config.Value.STABLE_CHANNEL -> apiRaw.fetchStableUpdate()
+        Config.Value.BETA_CHANNEL -> apiRaw.fetchBetaUpdate()
+        Config.Value.CANARY_CHANNEL -> apiRaw.fetchCanaryUpdate()
+        Config.Value.CANARY_DEBUG_CHANNEL -> apiRaw.fetchCanaryDebugUpdate()
+        Config.Value.CUSTOM_CHANNEL -> apiRaw.fetchCustomUpdate(Config.customChannelUrl)
+        else -> throw IllegalArgumentException()
+    }.flatMap {
+        // If remote version is lower than current installed, try switching to beta
+        if (it.magisk.versionCode < Info.env.magiskVersionCode
+                && Config.updateChannel == Config.Value.DEFAULT_CHANNEL) {
+            Config.updateChannel = Config.Value.BETA_CHANNEL
+            apiRaw.fetchBetaUpdate()
+        } else {
+            Single.just(it)
+        }
+    }.doOnSuccess { Info.remote = it }
+
+    fun fetchApps() =
+        Single.fromCallable { packageManager.getInstalledApplications(0) }
+            .flattenAsFlowable { it }
+            .filter { it.enabled && !blacklist.contains(it.packageName) }
+            .map {
+                val label = it.getLabel(packageManager)
+                val icon = it.loadIcon(packageManager)
+                HideAppInfo(it, label, icon)
+            }
+            .filter { it.processes.isNotEmpty() }
+            .toList()
+
+    fun fetchHideTargets() = Shell.su("magiskhide --ls").toSingle()
+        .map { it.exec().out }
+        .flattenAsFlowable { it }
+        .map { HideTarget(it) }
+        .toList()
+
+    fun toggleHide(isEnabled: Boolean, packageName: String, process: String) =
+        Shell.su("magiskhide --${isEnabled.state} $packageName $process").submit()
+
+    private val Boolean.state get() = if (this) "add" else "rm"
+
+    companion object {
+        private val blacklist by lazy { listOf(
+            packageName,
+            "android",
+            "com.android.chrome",
+            "com.chrome.beta",
+            "com.chrome.dev",
+            "com.chrome.canary",
+            "com.android.webview",
+            "com.google.android.webview"
+        ) }
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/data/repository/StringRepository.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.model.entity.module.Repo
+
+class StringRepository(
+    private val api: GithubRawServices
+) {
+
+    fun getString(url: String) = api.fetchString(url)
+
+    fun getMetadata(repo: Repo) = api.fetchModuleInfo(repo.id, "module.prop")
+
+    fun getReadme(repo: Repo) = api.fetchModuleInfo(repo.id, "README.md")
+}

app/src/main/java/com/topjohnwu/magisk/databinding/AdaptersGeneric.kt

@@ -0,0 +1,26 @@
+package com.topjohnwu.magisk.databinding
+
+import android.view.View
+import androidx.core.view.isGone
+import androidx.core.view.isInvisible
+import androidx.databinding.BindingAdapter
+
+@BindingAdapter("gone")
+fun setGone(view: View, gone: Boolean) {
+    view.isGone = gone
+}
+
+@BindingAdapter("invisible")
+fun setInvisible(view: View, invisible: Boolean) {
+    view.isInvisible = invisible
+}
+
+@BindingAdapter("goneUnless")
+fun setGoneUnless(view: View, goneUnless: Boolean) {
+    setGone(view, goneUnless.not())
+}
+
+@BindingAdapter("invisibleUnless")
+fun setInvisibleUnless(view: View, invisibleUnless: Boolean) {
+    setInvisible(view, invisibleUnless.not())
+}

app/src/main/java/com/topjohnwu/magisk/databinding/AdaptersRecycler.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.databinding
+
+import android.graphics.drawable.GradientDrawable
+import android.graphics.drawable.InsetDrawable
+import androidx.databinding.BindingAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.topjohnwu.magisk.extensions.startEndToLeftRight
+import com.topjohnwu.magisk.extensions.toPx
+import com.topjohnwu.magisk.utils.KItemDecoration
+import kotlin.math.roundToInt
+
+@BindingAdapter(
+    "dividerColor",
+    "dividerHorizontal",
+    "dividerSize",
+    "dividerAfterLast",
+    "dividerMarginStart",
+    "dividerMarginEnd",
+    "dividerMarginTop",
+    "dividerMarginBottom",
+    requireAll = false
+)
+fun setDivider(
+    view: RecyclerView,
+    color: Int,
+    horizontal: Boolean,
+    _size: Float,
+    _afterLast: Boolean?,
+    marginStartF: Float,
+    marginEndF: Float,
+    marginTopF: Float,
+    marginBottomF: Float
+) {
+    val orientation = if (horizontal) RecyclerView.HORIZONTAL else RecyclerView.VERTICAL
+    val size = if (_size > 0) _size.roundToInt() else 1.toPx()
+    val (width, height) = if (horizontal) size to 1 else 1 to size
+    val afterLast = _afterLast ?: true
+
+    val marginStart = marginStartF.roundToInt()
+    val marginEnd = marginEndF.roundToInt()
+    val marginTop = marginTopF.roundToInt()
+    val marginBottom = marginBottomF.roundToInt()
+    val (marginLeft, marginRight) = view.context.startEndToLeftRight(marginStart, marginEnd)
+
+    val drawable = GradientDrawable().apply {
+        setSize(width, height)
+        shape = GradientDrawable.RECTANGLE
+        setColor(color)
+    }.let {
+        InsetDrawable(it, marginLeft, marginTop, marginRight, marginBottom)
+    }
+
+    val decoration = KItemDecoration(view.context, orientation)
+        .setDeco(drawable)
+        .apply { showAfterLast = afterLast }
+    view.addItemDecoration(decoration)
+}

app/src/main/java/com/topjohnwu/magisk/databinding/BindingBoundAdapter.kt

@@ -0,0 +1,13 @@
+package com.topjohnwu.magisk.databinding
+
+import androidx.databinding.ViewDataBinding
+import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
+
+open class BindingBoundAdapter : BindingRecyclerViewAdapter<RvItem>() {
+
+    override fun onBindBinding(binding: ViewDataBinding, variableId: Int, layoutRes: Int, position: Int, item: RvItem) {
+        super.onBindBinding(binding, variableId, layoutRes, position, item)
+
+        item.onBindingBound(binding)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/databinding/RecyclerViewItems.kt

@@ -0,0 +1,48 @@
+package com.topjohnwu.magisk.databinding
+
+import androidx.annotation.CallSuper
+import androidx.databinding.ViewDataBinding
+import com.topjohnwu.magisk.BR
+import com.topjohnwu.magisk.utils.DiffObservableList
+import me.tatarka.bindingcollectionadapter2.ItemBinding
+
+abstract class RvItem {
+
+    abstract val layoutRes: Int
+
+    @CallSuper
+    open fun bind(binding: ItemBinding<*>) {
+        binding.set(BR.item, layoutRes)
+    }
+
+    /**
+     * This callback is useful if you want to manipulate your views directly.
+     * If you want to use this callback, you must set [me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter]
+     * on your RecyclerView and call it from there. You can use [BindingBoundAdapter] for your convenience.
+     */
+    open fun onBindingBound(binding: ViewDataBinding) {}
+}
+
+abstract class ComparableRvItem<in T> : RvItem() {
+
+    abstract fun itemSameAs(other: T): Boolean
+    abstract fun contentSameAs(other: T): Boolean
+    @Suppress("UNCHECKED_CAST")
+    open fun genericItemSameAs(other: Any): Boolean = other::class == this::class && itemSameAs(other as T)
+    @Suppress("UNCHECKED_CAST")
+    open fun genericContentSameAs(other: Any): Boolean = other::class == this::class && contentSameAs(other as T)
+
+    companion object {
+        val callback = object : DiffObservableList.Callback<ComparableRvItem<*>> {
+            override fun areItemsTheSame(
+                oldItem: ComparableRvItem<*>,
+                newItem: ComparableRvItem<*>
+            ) = oldItem.genericItemSameAs(newItem)
+
+            override fun areContentsTheSame(
+                oldItem: ComparableRvItem<*>,
+                newItem: ComparableRvItem<*>
+            ) = oldItem.genericContentSameAs(newItem)
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/di/ApplicationModule.kt

@@ -0,0 +1,61 @@
+package com.topjohnwu.magisk.di
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.app.Application
+import android.content.Context
+import android.os.Build
+import android.os.Bundle
+import androidx.preference.PreferenceManager
+import com.topjohnwu.magisk.utils.RxBus
+import org.koin.core.qualifier.named
+import org.koin.dsl.module
+
+val SUTimeout = named("su_timeout")
+val Protected = named("protected")
+
+val applicationModule = module {
+    single { RxBus() }
+    factory { get<Context>().resources }
+    factory { get<Context>().packageManager }
+    factory(Protected) { createDEContext(get()) }
+    single(SUTimeout) { get<Context>(Protected).getSharedPreferences("su_timeout", 0) }
+    single { PreferenceManager.getDefaultSharedPreferences(get<Context>(Protected)) }
+    single { ActivityTracker() }
+    factory { get<ActivityTracker>().foreground ?: NullActivity }
+}
+
+private fun createDEContext(context: Context): Context {
+    return if (Build.VERSION.SDK_INT >= 24)
+        context.createDeviceProtectedStorageContext()
+    else context
+}
+
+class ActivityTracker : Application.ActivityLifecycleCallbacks {
+
+    @Volatile
+    var foreground: Activity? = null
+
+    override fun onActivityCreated(activity: Activity, bundle: Bundle?) {}
+
+    override fun onActivityStarted(activity: Activity) {}
+
+    @Synchronized
+    override fun onActivityResumed(activity: Activity) {
+        foreground = activity
+    }
+
+    @Synchronized
+    override fun onActivityPaused(activity: Activity) {
+        foreground = null
+    }
+
+    override fun onActivityStopped(activity: Activity) {}
+
+    override fun onActivitySaveInstanceState(activity: Activity, bundle: Bundle) {}
+
+    override fun onActivityDestroyed(activity: Activity) {}
+}
+
+@SuppressLint("Registered")
+object NullActivity : Activity()

app/src/main/java/com/topjohnwu/magisk/di/DatabaseModule.kt

@@ -0,0 +1,27 @@
+package com.topjohnwu.magisk.di
+
+import android.content.Context
+import androidx.room.Room
+import com.topjohnwu.magisk.data.database.*
+import com.topjohnwu.magisk.tasks.RepoUpdater
+import org.koin.dsl.module
+
+
+val databaseModule = module {
+    single { PolicyDao(get()) }
+    single { SettingsDao() }
+    single { StringDao() }
+    single { createRepoDatabase(get()).repoDao() }
+    single { createSuLogDatabase(get(Protected)).suLogDao() }
+    single { RepoUpdater(get(), get()) }
+}
+
+fun createRepoDatabase(context: Context) =
+    Room.databaseBuilder(context, RepoDatabase::class.java, "repo.db")
+        .fallbackToDestructiveMigration()
+        .build()
+
+fun createSuLogDatabase(context: Context) =
+    Room.databaseBuilder(context, SuLogDatabase::class.java, "sulogs.db")
+        .fallbackToDestructiveMigration()
+        .build()

app/src/main/java/com/topjohnwu/magisk/di/Modules.kt

@@ -0,0 +1,9 @@
+package com.topjohnwu.magisk.di
+
+val koinModules = listOf(
+    applicationModule,
+    networkingModule,
+    databaseModule,
+    repositoryModule,
+    viewModelModules
+)

app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt

@@ -0,0 +1,83 @@
+package com.topjohnwu.magisk.di
+
+import android.content.Context
+import com.squareup.moshi.JsonAdapter
+import com.squareup.moshi.Moshi
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.network.GithubApiServices
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.net.Networking
+import com.topjohnwu.magisk.net.NoSSLv3SocketFactory
+import io.noties.markwon.Markwon
+import io.noties.markwon.html.HtmlPlugin
+import io.noties.markwon.image.ImagesPlugin
+import io.noties.markwon.image.network.OkHttpNetworkSchemeHandler
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import org.koin.dsl.module
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import retrofit2.converter.moshi.MoshiConverterFactory
+import retrofit2.converter.scalars.ScalarsConverterFactory
+import se.ansman.kotshi.KotshiJsonAdapterFactory
+
+val networkingModule = module {
+    single { createOkHttpClient(get()) }
+    single { createRetrofit(get()) }
+    single { createApiService<GithubRawServices>(get(), Const.Url.GITHUB_RAW_URL) }
+    single { createApiService<GithubApiServices>(get(), Const.Url.GITHUB_API_URL) }
+    single { createMarkwon(get(), get()) }
+}
+
+@Suppress("DEPRECATION")
+fun createOkHttpClient(context: Context): OkHttpClient {
+    val builder = OkHttpClient.Builder()
+
+    if (BuildConfig.DEBUG) {
+        val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.HEADERS
+        }
+        builder.addInterceptor(httpLoggingInterceptor)
+    }
+
+    if (!Networking.init(context)) {
+        builder.sslSocketFactory(NoSSLv3SocketFactory())
+    }
+
+    return builder.build()
+}
+
+fun createMoshiConverterFactory(): MoshiConverterFactory {
+    val moshi = Moshi.Builder()
+            .add(KotshiJsonAdapterFactory)
+            .build()
+    return MoshiConverterFactory.create(moshi)
+}
+
+fun createRetrofit(okHttpClient: OkHttpClient): Retrofit.Builder {
+    return Retrofit.Builder()
+        .addConverterFactory(ScalarsConverterFactory.create())
+        .addConverterFactory(createMoshiConverterFactory())
+        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
+        .client(okHttpClient)
+}
+
+@KotshiJsonAdapterFactory
+abstract class JsonAdapterFactory : JsonAdapter.Factory
+
+inline fun <reified T> createApiService(retrofitBuilder: Retrofit.Builder, baseUrl: String): T {
+    return retrofitBuilder
+        .baseUrl(baseUrl)
+        .build()
+        .create(T::class.java)
+}
+
+fun createMarkwon(context: Context, okHttpClient: OkHttpClient): Markwon {
+    return Markwon.builder(context)
+            .usePlugin(HtmlPlugin.create())
+            .usePlugin(ImagesPlugin.create {
+                it.addSchemeHandler(OkHttpNetworkSchemeHandler.create(okHttpClient))
+            })
+            .build()
+}

app/src/main/java/com/topjohnwu/magisk/di/RepositoryModule.kt

@@ -0,0 +1,13 @@
+package com.topjohnwu.magisk.di
+
+import com.topjohnwu.magisk.data.repository.LogRepository
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.data.repository.StringRepository
+import org.koin.dsl.module
+
+
+val repositoryModule = module {
+    single { MagiskRepository(get(), get()) }
+    single { LogRepository(get()) }
+    single { StringRepository(get()) }
+}

app/src/main/java/com/topjohnwu/magisk/di/ViewModelsModule.kt

@@ -0,0 +1,27 @@
+package com.topjohnwu.magisk.di
+
+import android.net.Uri
+import com.topjohnwu.magisk.ui.MainViewModel
+import com.topjohnwu.magisk.ui.flash.FlashViewModel
+import com.topjohnwu.magisk.ui.hide.HideViewModel
+import com.topjohnwu.magisk.ui.home.HomeViewModel
+import com.topjohnwu.magisk.ui.log.LogViewModel
+import com.topjohnwu.magisk.ui.module.ModuleViewModel
+import com.topjohnwu.magisk.ui.superuser.SuperuserViewModel
+import com.topjohnwu.magisk.ui.surequest.SuRequestViewModel
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.dsl.module
+
+
+val viewModelModules = module {
+    viewModel { MainViewModel() }
+    viewModel { HomeViewModel(get()) }
+    viewModel { SuperuserViewModel(get(), get(), get(), get()) }
+    viewModel { HideViewModel(get(), get()) }
+    viewModel { ModuleViewModel(get(), get(), get()) }
+    viewModel { LogViewModel(get(), get()) }
+    viewModel { (action: String, file: Uri, additional: Uri) ->
+        FlashViewModel(action, file, additional, get())
+    }
+    viewModel { SuRequestViewModel(get(), get(), get(SUTimeout), get()) }
+}

app/src/main/java/com/topjohnwu/magisk/extensions/DataBinding.kt

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.extensions
+
+import androidx.databinding.Observable
+import androidx.databinding.ObservableBoolean
+import androidx.databinding.ObservableField
+import androidx.databinding.ObservableInt
+
+fun <T> ObservableField<T>.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (T?) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+fun ObservableInt.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (Int) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+fun ObservableBoolean.addOnPropertyChangedCallback(
+    removeAfterChanged: Boolean = false,
+    callback: (Boolean) -> Unit
+) {
+    addOnPropertyChangedCallback(object : Observable.OnPropertyChangedCallback() {
+        override fun onPropertyChanged(sender: Observable?, propertyId: Int) {
+            callback(get())
+            if (removeAfterChanged) removeOnPropertyChangedCallback(this)
+        }
+    })
+}
+
+inline fun <T> ObservableField<T>.update(block: (T?) -> Unit) {
+    set(get().apply(block))
+}
+
+inline fun <T> ObservableField<T>.updateNonNull(block: (T) -> Unit) {
+    update {
+        it ?: return@update
+        block(it)
+    }
+}
+
+inline fun ObservableInt.update(block: (Int) -> Unit) {
+    set(get().apply(block))
+}

app/src/main/java/com/topjohnwu/magisk/extensions/Dimens.kt

@@ -0,0 +1,9 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.res.Resources
+import kotlin.math.ceil
+import kotlin.math.roundToInt
+
+fun Int.toDp(): Int = ceil(this / Resources.getSystem().displayMetrics.density).roundToInt()
+
+fun Int.toPx(): Int = (this * Resources.getSystem().displayMetrics.density).roundToInt()

app/src/main/java/com/topjohnwu/magisk/extensions/RxJava.kt

@@ -0,0 +1,202 @@
+package com.topjohnwu.magisk.extensions
+
+import androidx.databinding.ObservableField
+import com.topjohnwu.magisk.utils.KObservableField
+import com.topjohnwu.superuser.internal.UiThreadHandler
+import io.reactivex.*
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.disposables.Disposables
+import io.reactivex.functions.BiFunction
+import io.reactivex.schedulers.Schedulers
+import androidx.databinding.Observable as BindingObservable
+
+fun <T> Observable<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Observable<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Flowable<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Flowable<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Single<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Single<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun <T> Maybe<T>.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Maybe<T> = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+fun Completable.applySchedulers(
+    subscribeOn: Scheduler = Schedulers.io(),
+    observeOn: Scheduler = AndroidSchedulers.mainThread()
+): Completable = this.subscribeOn(subscribeOn).observeOn(observeOn)
+
+/*=== ALIASES FOR OBSERVABLES ===*/
+
+typealias OnCompleteListener = () -> Unit
+typealias OnSuccessListener<T> = (T) -> Unit
+typealias OnErrorListener = (Throwable) -> Unit
+
+/*=== ALIASES FOR OBSERVABLES ===*/
+
+fun <T> Observable<T>.subscribeK(
+    onError: OnErrorListener = { it.printStackTrace() },
+    onComplete: OnCompleteListener = {},
+    onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError, onComplete)
+
+fun <T> Single<T>.subscribeK(
+    onError: OnErrorListener = { it.printStackTrace() },
+    onSuccess: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onSuccess, onError)
+
+fun <T> Maybe<T>.subscribeK(
+    onError: OnErrorListener = { it.printStackTrace() },
+    onComplete: OnCompleteListener = {},
+    onSuccess: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onSuccess, onError, onComplete)
+
+fun <T> Flowable<T>.subscribeK(
+    onError: OnErrorListener = { it.printStackTrace() },
+    onComplete: OnCompleteListener = {},
+    onNext: OnSuccessListener<T> = {}
+) = applySchedulers()
+    .subscribe(onNext, onError, onComplete)
+
+fun Completable.subscribeK(
+    onError: OnErrorListener = { it.printStackTrace() },
+    onComplete: OnCompleteListener = {}
+) = applySchedulers()
+    .subscribe(onComplete, onError)
+
+
+fun <T> Observable<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnNextUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun <T> Single<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnSuccessUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun <T> Maybe<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnSuccessUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+    .doOnComplete { field.value = field.value }
+
+fun <T> Flowable<out T>.updateBy(
+    field: KObservableField<T?>
+) = doOnNextUi { field.value = it }
+    .doOnErrorUi { field.value = null }
+
+fun Completable.updateBy(
+    field: KObservableField<Boolean>
+) = doOnCompleteUi { field.value = true }
+    .doOnErrorUi { field.value = false }
+
+
+fun <T> Observable<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { UiThreadHandler.run { body() } }
+
+fun <T> Single<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { UiThreadHandler.run { body() } }
+
+fun <T> Maybe<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { UiThreadHandler.run { body() } }
+
+fun <T> Flowable<T>.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { UiThreadHandler.run { body() } }
+
+fun Completable.doOnSubscribeUi(body: () -> Unit) =
+    doOnSubscribe { UiThreadHandler.run { body() } }
+
+
+fun <T> Observable<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { UiThreadHandler.run { body(it) } }
+
+fun <T> Single<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { UiThreadHandler.run { body(it) } }
+
+fun <T> Maybe<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { UiThreadHandler.run { body(it) } }
+
+fun <T> Flowable<T>.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { UiThreadHandler.run { body(it) } }
+
+fun Completable.doOnErrorUi(body: (Throwable) -> Unit) =
+    doOnError { UiThreadHandler.run { body(it) } }
+
+
+fun <T> Observable<T>.doOnNextUi(body: (T) -> Unit) =
+    doOnNext { UiThreadHandler.run { body(it) } }
+
+fun <T> Flowable<T>.doOnNextUi(body: (T) -> Unit) =
+    doOnNext { UiThreadHandler.run { body(it) } }
+
+fun <T> Single<T>.doOnSuccessUi(body: (T) -> Unit) =
+    doOnSuccess { UiThreadHandler.run { body(it) } }
+
+fun <T> Maybe<T>.doOnSuccessUi(body: (T) -> Unit) =
+    doOnSuccess { UiThreadHandler.run { body(it) } }
+
+fun <T> Maybe<T>.doOnCompleteUi(body: () -> Unit) =
+    doOnComplete { UiThreadHandler.run { body() } }
+
+fun Completable.doOnCompleteUi(body: () -> Unit) =
+    doOnComplete { UiThreadHandler.run { body() } }
+
+
+fun <T, R> Observable<List<T>>.mapList(
+    transformer: (T) -> R
+) = flatMapIterable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Single<List<T>>.mapList(
+    transformer: (T) -> R
+) = flattenAsFlowable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Maybe<List<T>>.mapList(
+    transformer: (T) -> R
+) = flattenAsFlowable { it }
+    .map(transformer)
+    .toList()
+
+fun <T, R> Flowable<List<T>>.mapList(
+    transformer: (T) -> R
+) = flatMapIterable { it }
+    .map(transformer)
+    .toList()
+
+fun <T> ObservableField<T>.toObservable(): Observable<T> {
+    val observableField = this
+    return Observable.create { emitter ->
+        observableField.get()?.let { emitter.onNext(it) }
+
+        val callback = object : BindingObservable.OnPropertyChangedCallback() {
+            override fun onPropertyChanged(sender: BindingObservable?, propertyId: Int) {
+                observableField.get()?.let { emitter.onNext(it) }
+            }
+        }
+        observableField.addOnPropertyChangedCallback(callback)
+        emitter.setDisposable(Disposables.fromAction {
+            observableField.removeOnPropertyChangedCallback(callback)
+        })
+    }
+}
+
+fun <T : Any> T.toSingle() = Single.just(this)
+
+fun <T1, T2, R> zip(t1: Single<T1>, t2: Single<T2>, zipper: (T1, T2) -> R) =
+    Single.zip(t1, t2, BiFunction<T1, T2, R> { rt1, rt2 -> zipper(rt1, rt2) })

app/src/main/java/com/topjohnwu/magisk/extensions/Snackbar.kt

@@ -0,0 +1,126 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.Context
+import android.content.res.ColorStateList
+import android.view.View
+import android.widget.TextView
+import androidx.annotation.ColorInt
+import androidx.annotation.ColorRes
+import androidx.annotation.StringRes
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
+import androidx.fragment.app.Fragment
+import com.google.android.material.snackbar.Snackbar
+
+fun AppCompatActivity.snackbar(
+    view: View,
+    @StringRes messageRes: Int,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) {
+    snackbar(view, getString(messageRes), length, f)
+}
+
+fun AppCompatActivity.snackbar(
+    view: View,
+    message: String,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) = Snackbar.make(view, message, length)
+    .apply(f)
+    .show()
+
+fun Fragment.snackbar(
+    view: View,
+    @StringRes messageRes: Int,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) {
+    snackbar(view, getString(messageRes), length, f)
+}
+
+fun Fragment.snackbar(
+    view: View,
+    message: String,
+    length: Int = Snackbar.LENGTH_SHORT,
+    f: Snackbar.() -> Unit = {}
+) = Snackbar.make(view, message, length)
+    .apply(f)
+    .show()
+
+fun Snackbar.action(init: KSnackbar.() -> Unit) = apply {
+    val config = KSnackbar().apply(init)
+
+    setAction(config.title(context), config.onClickListener)
+
+    when {
+        config.hasValidColor -> setActionTextColor(config.color(context) ?: return@apply)
+        config.hasValidColorStateList -> setActionTextColor(config.colorStateList(context) ?: return@apply)
+    }
+}
+
+class KSnackbar {
+    var colorRes: Int = -1
+    var colorStateListRes: Int = -1
+
+    var title: CharSequence = ""
+    var titleRes: Int = -1
+
+    internal var onClickListener: (View) -> Unit = {}
+    internal val hasValidColor get() = colorRes != -1
+    internal val hasValidColorStateList get() = colorStateListRes != -1
+
+    fun onClicked(listener: (View) -> Unit) {
+        onClickListener = listener
+    }
+
+    internal fun title(context: Context) = if (title.isBlank()) context.getString(titleRes) else title
+    internal fun colorStateList(context: Context) = context.colorStateListCompat(colorStateListRes)
+    internal fun color(context: Context) = context.colorCompat(colorRes)
+}
+
+@Deprecated("Kotlin DSL version is preferred", ReplaceWith("action {}"))
+fun Snackbar.action(
+    @StringRes actionRes: Int,
+    @ColorRes colorRes: Int? = null,
+    listener: (View) -> Unit
+) {
+    view.resources.getString(actionRes)
+    colorRes?.let { ContextCompat.getColor(view.context, colorRes) }
+    action {}
+}
+
+@Deprecated("Kotlin DSL version is preferred", ReplaceWith("action {}"))
+fun Snackbar.action(action: String, @ColorInt color: Int? = null, listener: (View) -> Unit) {
+    setAction(action, listener)
+    color?.let { setActionTextColor(color) }
+}
+
+fun Snackbar.textColorRes(@ColorRes colorRes: Int) {
+    textColor(context.colorCompat(colorRes) ?: return)
+}
+
+fun Snackbar.textColor(@ColorInt color: Int) {
+    val tv = view.findViewById<TextView>(com.google.android.material.R.id.snackbar_text)
+    tv.setTextColor(color)
+}
+
+fun Snackbar.backgroundColorRes(@ColorRes colorRes: Int) {
+    backgroundColor(context.colorCompat(colorRes) ?: return)
+}
+
+fun Snackbar.backgroundColor(@ColorInt color: Int) {
+    ViewCompat.setBackgroundTintList(
+        view,
+        ColorStateList.valueOf(color)
+    )
+}
+
+fun Snackbar.alert() {
+    textColor(0xF44336)
+}
+
+fun Snackbar.success() {
+    textColor(0x4CAF50)
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XAndroid.kt

@@ -0,0 +1,311 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.ComponentName
+import android.content.Context
+import android.content.ContextWrapper
+import android.content.Intent
+import android.content.pm.ApplicationInfo
+import android.content.pm.ComponentInfo
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import android.content.pm.PackageManager.*
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.database.Cursor
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.drawable.AdaptiveIconDrawable
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.LayerDrawable
+import android.net.Uri
+import android.os.Build
+import android.os.Build.VERSION.SDK_INT
+import android.provider.OpenableColumns
+import android.view.View
+import androidx.annotation.ColorRes
+import androidx.annotation.DrawableRes
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.core.content.ContextCompat
+import androidx.core.net.toFile
+import androidx.core.net.toUri
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.FileProvider
+import com.topjohnwu.magisk.utils.DynamicClassLoader
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.currentLocale
+import com.topjohnwu.superuser.Shell
+import java.io.File
+import java.io.FileNotFoundException
+import java.lang.reflect.Array as JArray
+
+val packageName: String get() = get<Context>().packageName
+
+val PackageInfo.processes
+    get() = activities?.processNames.orEmpty() +
+            services?.processNames.orEmpty() +
+            receivers?.processNames.orEmpty() +
+            providers?.processNames.orEmpty()
+
+val Array<out ComponentInfo>.processNames get() = mapNotNull { it.processName }
+
+val ApplicationInfo.packageInfo: PackageInfo?
+    get() {
+        val pm: PackageManager by inject()
+
+        return try {
+            val request = GET_ACTIVITIES or
+                    GET_SERVICES or
+                    GET_RECEIVERS or
+                    GET_PROVIDERS
+            pm.getPackageInfo(packageName, request)
+        } catch (e1: Exception) {
+            try {
+                pm.activities(packageName).apply {
+                    services = pm.services(packageName)
+                    receivers = pm.receivers(packageName)
+                    providers = pm.providers(packageName)
+                }
+            } catch (e2: Exception) {
+                null
+            }
+        }
+    }
+
+val Uri.fileName: String
+    get() {
+        var name: String? = null
+        get<Context>().contentResolver.query(this, null, null, null, null)?.use { c ->
+            val nameIndex = c.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+            if (nameIndex != -1) {
+                c.moveToFirst()
+                name = c.getString(nameIndex)
+            }
+        }
+        if (name == null && path != null) {
+            val idx = path!!.lastIndexOf('/')
+            name = path!!.substring(idx + 1)
+        }
+        return name.orEmpty()
+    }
+
+fun PackageManager.activities(packageName: String) =
+    getPackageInfo(packageName, GET_ACTIVITIES)
+
+fun PackageManager.services(packageName: String) =
+    getPackageInfo(packageName, GET_SERVICES).services
+
+fun PackageManager.receivers(packageName: String) =
+    getPackageInfo(packageName, GET_RECEIVERS).receivers
+
+fun PackageManager.providers(packageName: String) =
+    getPackageInfo(packageName, GET_PROVIDERS).providers
+
+fun Context.rawResource(id: Int) = resources.openRawResource(id)
+
+fun Context.readUri(uri: Uri) =
+    contentResolver.openInputStream(uri) ?: throw FileNotFoundException()
+
+fun Context.getBitmap(id: Int): Bitmap {
+    var drawable = AppCompatResources.getDrawable(this, id)!!
+    if (drawable is BitmapDrawable)
+        return drawable.bitmap
+    if (SDK_INT >= 26 && drawable is AdaptiveIconDrawable) {
+        drawable = LayerDrawable(arrayOf(drawable.background, drawable.foreground))
+    }
+    val bitmap = Bitmap.createBitmap(
+        drawable.intrinsicWidth, drawable.intrinsicHeight,
+        Bitmap.Config.ARGB_8888
+    )
+    val canvas = Canvas(bitmap)
+    drawable.setBounds(0, 0, canvas.width, canvas.height)
+    drawable.draw(canvas)
+    return bitmap
+}
+
+fun Intent.startActivity(context: Context) = context.startActivity(this)
+
+fun Intent.startActivityWithRoot() {
+    val args = mutableListOf("am", "start", "--user", Const.USER_ID.toString())
+    val cmd = toCommand(args).joinToString(" ")
+    Shell.su(cmd).submit()
+}
+
+fun Intent.toCommand(args: MutableList<String> = mutableListOf()): MutableList<String> {
+    action?.also {
+        args.add("-a")
+        args.add(it)
+    }
+    component?.also {
+        args.add("-n")
+        args.add(it.flattenToString())
+    }
+    data?.also {
+        args.add("-d")
+        args.add(it.toString())
+    }
+    categories?.also {
+        for (cat in it) {
+            args.add("-c")
+            args.add(cat)
+        }
+    }
+    type?.also {
+        args.add("-t")
+        args.add(it)
+    }
+    extras?.also {
+        loop@ for (key in it.keySet()) {
+            val v = it[key] ?: continue
+            var value: Any = v
+            val arg: String
+            when {
+                v is String -> arg = "--es"
+                v is Boolean -> arg = "--ez"
+                v is Int -> arg = "--ei"
+                v is Long -> arg = "--el"
+                v is Float -> arg = "--ef"
+                v is Uri -> arg = "--eu"
+                v is ComponentName -> {
+                    arg = "--ecn"
+                    value = v.flattenToString()
+                }
+                v is List<*> -> {
+                    if (v.isEmpty())
+                        continue@loop
+
+                    arg = if (v[0] is Int)
+                        "--eial"
+                    else if (v[0] is Long)
+                        "--elal"
+                    else if (v[0] is Float)
+                        "--efal"
+                    else if (v[0] is String)
+                        "--esal"
+                    else
+                        continue@loop  /* Unsupported */
+
+                    val sb = StringBuilder()
+                    for (o in v) {
+                        sb.append(o.toString().replace(",", "\\,"))
+                        sb.append(',')
+                    }
+                    // Remove trailing comma
+                    sb.deleteCharAt(sb.length - 1)
+                    value = sb
+                }
+                v.javaClass.isArray -> {
+                    arg = if (v is IntArray)
+                        "--eia"
+                    else if (v is LongArray)
+                        "--ela"
+                    else if (v is FloatArray)
+                        "--efa"
+                    else if (v is Array<*> && v.isArrayOf<String>())
+                        "--esa"
+                    else
+                        continue@loop  /* Unsupported */
+
+                    val sb = StringBuilder()
+                    val len = JArray.getLength(v)
+                    for (i in 0 until len) {
+                        sb.append(JArray.get(v, i)!!.toString().replace(",", "\\,"))
+                        sb.append(',')
+                    }
+                    // Remove trailing comma
+                    sb.deleteCharAt(sb.length - 1)
+                    value = sb
+                }
+                else -> continue@loop
+            }  /* Unsupported */
+
+            args.add(arg)
+            args.add(key)
+            args.add(value.toString())
+        }
+    }
+    args.add("-f")
+    args.add(flags.toString())
+    return args
+}
+
+fun File.provide(context: Context = get()): Uri {
+    return FileProvider.getUriForFile(context, context.packageName + ".provider", this)
+}
+
+fun File.mv(destination: File) {
+    inputStream().writeTo(destination)
+    deleteRecursively()
+}
+
+fun String.toFile() = File(this)
+
+fun Intent.chooser(title: String = "Pick an app") = Intent.createChooser(this, title)
+
+fun Context.cachedFile(name: String) = File(cacheDir, name)
+
+fun <Result> Cursor.toList(transformer: (Cursor) -> Result): List<Result> {
+    val out = mutableListOf<Result>()
+    while (moveToNext()) out.add(transformer(this))
+    return out
+}
+
+fun ApplicationInfo.getLabel(pm: PackageManager): String {
+    runCatching {
+        if (labelRes > 0) {
+            val res = pm.getResourcesForApplication(this)
+            val config = Configuration()
+            config.setLocale(currentLocale)
+            res.updateConfiguration(config, res.displayMetrics)
+            return res.getString(labelRes)
+        }
+    }
+
+    return loadLabel(pm).toString()
+}
+
+fun Intent.exists(packageManager: PackageManager) = resolveActivity(packageManager) != null
+
+fun Context.colorCompat(@ColorRes id: Int) = try {
+    ContextCompat.getColor(this, id)
+} catch (e: Resources.NotFoundException) {
+    null
+}
+
+fun Context.colorStateListCompat(@ColorRes id: Int) = try {
+    ContextCompat.getColorStateList(this, id)
+} catch (e: Resources.NotFoundException) {
+    null
+}
+
+fun Context.drawableCompat(@DrawableRes id: Int) = ContextCompat.getDrawable(this, id)
+/**
+ * Pass [start] and [end] dimensions, function will return left and right
+ * with respect to RTL layout direction
+ */
+fun Context.startEndToLeftRight(start: Int, end: Int): Pair<Int, Int> {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 &&
+        resources.configuration.layoutDirection == View.LAYOUT_DIRECTION_RTL
+    ) {
+        return end to start
+    }
+    return start to end
+}
+
+fun Context.openUrl(url: String) = Utils.openLink(this, url.toUri())
+
+@Suppress("FunctionName")
+inline fun <reified T> T.DynamicClassLoader(apk: File)
+        = DynamicClassLoader(apk, T::class.java.classLoader)
+
+fun Context.unwrap() : Context {
+    var context = this
+    while (true) {
+        if (context is ContextWrapper)
+            context = context.baseContext
+        else
+            break
+    }
+    return context
+}
+
+fun Uri.writeTo(file: File) = toFile().copyTo(file)

app/src/main/java/com/topjohnwu/magisk/extensions/XBinding.kt

@@ -0,0 +1,8 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.utils.KObservableField
+
+
+fun KObservableField<Boolean>.toggle() {
+    value = !value
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XJava.kt

@@ -0,0 +1,130 @@
+package com.topjohnwu.magisk.extensions
+
+import android.os.Build
+import java.io.File
+import java.io.InputStream
+import java.io.OutputStream
+import java.lang.reflect.Field
+import java.lang.reflect.Method
+import java.util.*
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+import kotlin.NoSuchElementException
+
+fun ZipInputStream.forEach(callback: (ZipEntry) -> Unit) {
+    var entry: ZipEntry? = nextEntry
+    while (entry != null) {
+        callback(entry)
+        entry = nextEntry
+    }
+}
+
+fun InputStream.writeTo(file: File) =
+        withStreams(this, file.outputStream()) { reader, writer -> reader.copyTo(writer) }
+
+inline fun <In : InputStream, Out : OutputStream> withStreams(
+    inStream: In,
+    outStream: Out,
+    withBoth: (In, Out) -> Unit
+) {
+    inStream.use { reader ->
+        outStream.use { writer ->
+            withBoth(reader, writer)
+        }
+    }
+}
+
+inline fun <T, R> List<T>.firstMap(mapper: (T) -> R?): R {
+    for (item: T in this) {
+        return mapper(item) ?: continue
+    }
+    throw NoSuchElementException("Collection contains no element matching the predicate.")
+}
+
+fun String.langTagToLocale(): Locale {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return Locale.forLanguageTag(this)
+    } else {
+        val tok = split("-".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+        if (tok.isEmpty()) {
+            return Locale("")
+        }
+        val language = when (tok[0]) {
+            "und" -> "" // Undefined
+            "fil" -> "tl" // Filipino
+            else -> tok[0]
+        }
+        if (language.length != 2 && language.length != 3)
+            return Locale("")
+        if (tok.size == 1)
+            return Locale(language)
+        val country = tok[1]
+
+        return if (country.length != 2 && country.length != 3) Locale(language)
+        else Locale(language, country)
+    }
+}
+
+fun Locale.toLangTag(): String {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return toLanguageTag()
+    } else {
+        var language = language
+        var country = country
+        var variant = variant
+        when {
+            language.isEmpty() || !language.matches("\\p{Alpha}{2,8}".toRegex()) ->
+                language = "und"       // Follow the Locale#toLanguageTag() implementation
+            language == "iw" -> language = "he"        // correct deprecated "Hebrew"
+            language == "in" -> language = "id"        // correct deprecated "Indonesian"
+            language == "ji" -> language = "yi"        // correct deprecated "Yiddish"
+        }
+        // ensure valid country code, if not well formed, it's omitted
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        // ensure valid country code, if not well formed, it's omitted
+        if (!country.matches("\\p{Alpha}{2}|\\p{Digit}{3}".toRegex())) {
+            country = ""
+        }
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        if (!variant.matches("\\p{Alnum}{5,8}|\\p{Digit}\\p{Alnum}{3}".toRegex())) {
+            variant = ""
+        }
+        val tag = StringBuilder(language)
+        if (country.isNotEmpty())
+            tag.append('-').append(country)
+        if (variant.isNotEmpty())
+            tag.append('-').append(variant)
+        return tag.toString()
+    }
+}
+
+// Reflection hacks
+
+private val loadClass = ClassLoader::class.java.getMethod("loadClass", String::class.java)
+private val getDeclaredMethod = Class::class.java.getMethod("getDeclaredMethod",
+    String::class.java, arrayOf<Class<*>>()::class.java)
+private val getDeclaredField = Class::class.java.getMethod("getDeclaredField", String::class.java)
+
+fun ClassLoader.forceLoadClass(name: String) =
+    runCatching { loadClass.invoke(this, name) }.getOrNull() as Class<*>?
+
+fun Class<*>.forceGetDeclaredMethod(name: String, vararg types: Class<*>) =
+    (runCatching { getDeclaredMethod.invoke(this, name, types) }.getOrNull() as Method?)?.also {
+        it.isAccessible = true
+    }
+
+fun Class<*>.forceGetDeclaredField(name: String) =
+    (runCatching { getDeclaredField.invoke(this, name) }.getOrNull() as Field?)?.also {
+        it.isAccessible = true
+    }
+
+inline fun <reified T> T.forceGetClass(name: String) =
+    T::class.java.classLoader?.forceLoadClass(name)
+
+fun Class<*>.forceGetField(name: String): Field? =
+    forceGetDeclaredField(name) ?: superclass?.forceGetField(name)
+
+fun Class<*>.forceGetMethod(name: String, vararg types: Class<*>): Method? =
+    forceGetDeclaredMethod(name, *types) ?: superclass?.forceGetMethod(name, *types)

app/src/main/java/com/topjohnwu/magisk/extensions/XKoin.kt

@@ -0,0 +1,17 @@
+package com.topjohnwu.magisk.extensions
+
+import org.koin.core.context.GlobalContext
+import org.koin.core.parameter.ParametersDefinition
+import org.koin.core.qualifier.Qualifier
+
+fun getKoin() = GlobalContext.get().koin
+
+inline fun <reified T> inject(
+    qualifier: Qualifier? = null,
+    noinline parameters: ParametersDefinition? = null
+) = lazy { get<T>(qualifier, parameters) }
+
+inline fun <reified T> get(
+    qualifier: Qualifier? = null,
+    noinline parameters: ParametersDefinition? = null
+): T = getKoin().get(qualifier, parameters)

app/src/main/java/com/topjohnwu/magisk/extensions/XList.kt

@@ -0,0 +1,83 @@
+package com.topjohnwu.magisk.extensions
+
+import androidx.collection.SparseArrayCompat
+import androidx.databinding.ObservableList
+import com.topjohnwu.magisk.utils.DiffObservableList
+import io.reactivex.disposables.Disposable
+
+fun <T> MutableList<T>.update(newList: List<T>) {
+    clear()
+    addAll(newList)
+}
+
+fun List<String>.toShellCmd(): String {
+    val sb = StringBuilder()
+    for (s in this) {
+        if (s.contains(" ")) {
+            sb.append('"').append(s).append('"')
+        } else {
+            sb.append(s)
+        }
+        sb.append(' ')
+    }
+    sb.deleteCharAt(sb.length - 1)
+    return sb.toString()
+}
+
+fun <T1, T2> ObservableList<T1>.sendUpdatesTo(
+        target: DiffObservableList<T2>,
+        mapper: (List<T1>) -> List<T2>
+) = addOnListChangedCallback(object :
+    ObservableList.OnListChangedCallback<ObservableList<T1>>() {
+    override fun onChanged(sender: ObservableList<T1>?) {
+        updateAsync(sender ?: return)
+    }
+
+    override fun onItemRangeRemoved(sender: ObservableList<T1>?, p0: Int, p1: Int) {
+        updateAsync(sender ?: return)
+    }
+
+    override fun onItemRangeMoved(sender: ObservableList<T1>?, p0: Int, p1: Int, p2: Int) {
+        updateAsync(sender ?: return)
+    }
+
+    override fun onItemRangeInserted(sender: ObservableList<T1>?, p0: Int, p1: Int) {
+        updateAsync(sender ?: return)
+    }
+
+    override fun onItemRangeChanged(sender: ObservableList<T1>?, p0: Int, p1: Int) {
+        updateAsync(sender ?: return)
+    }
+
+    private var updater: Disposable? = null
+
+    private fun updateAsync(sender: List<T1>) {
+        updater?.dispose()
+        updater = sender.toSingle()
+            .map { mapper(it) }
+            .map { it to target.calculateDiff(it) }
+            .subscribeK { target.update(it.first, it.second) }
+    }
+})
+
+fun <T1> ObservableList<T1>.copyNewInputInto(
+    target: MutableList<T1>
+) = addOnListChangedCallback(object : ObservableList.OnListChangedCallback<ObservableList<T1>>() {
+    override fun onChanged(p0: ObservableList<T1>?) = Unit
+    override fun onItemRangeRemoved(p0: ObservableList<T1>?, p1: Int, p2: Int) = Unit
+    override fun onItemRangeMoved(p0: ObservableList<T1>?, p1: Int, p2: Int, p3: Int) = Unit
+    override fun onItemRangeChanged(p0: ObservableList<T1>?, p1: Int, p2: Int) = Unit
+    override fun onItemRangeInserted(
+        sender: ObservableList<T1>?,
+        positionStart: Int,
+        itemCount: Int
+    ) {
+        val positionEnd = positionStart + itemCount
+        val addedValues = sender?.slice(positionStart until positionEnd).orEmpty()
+        target.addAll(addedValues)
+    }
+})
+
+operator fun <E> SparseArrayCompat<E>.set(key: Int, value: E) {
+    put(key, value)
+}

app/src/main/java/com/topjohnwu/magisk/extensions/XSU.kt

@@ -0,0 +1,14 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFileInputStream
+import com.topjohnwu.superuser.io.SuFileOutputStream
+import java.io.File
+
+fun reboot(reason: String = if (Info.recovery) "recovery" else "") {
+    Shell.su("/system/bin/svc power reboot $reason || /system/bin/reboot $reason").submit()
+}
+
+fun File.suOutputStream() = SuFileOutputStream(this)
+fun File.suInputStream() = SuFileInputStream(this)

app/src/main/java/com/topjohnwu/magisk/extensions/XString.kt

@@ -0,0 +1,29 @@
+package com.topjohnwu.magisk.extensions
+
+import android.content.res.Resources
+
+val specialChars = arrayOf('!', '@', '#', '$', '%', '&', '?')
+
+fun String.replaceRandomWithSpecial(): String {
+    var random: Char
+    do {
+        random = random()
+    } while (random == '.')
+    return replace(random, specialChars.random())
+}
+
+fun StringBuilder.appendIf(condition: Boolean, builder: StringBuilder.() -> Unit) =
+    if (condition) apply(builder) else this
+
+fun Int.res(vararg args: Any): String {
+    val resources: Resources by inject()
+    return resources.getString(this, *args)
+}
+
+fun String.trimEmptyToNull(): String? = if (isBlank()) null else this
+
+fun String.legalFilename() = replace(" ", "_").replace("'", "").replace("\"", "")
+        .replace("$", "").replace("`", "").replace("*", "").replace("/", "_")
+        .replace("#", "").replace("@", "").replace("\\", "_")
+
+fun String.isEmptyInternal() = isNullOrBlank()

app/src/main/java/com/topjohnwu/magisk/extensions/XTime.kt

@@ -0,0 +1,20 @@
+package com.topjohnwu.magisk.extensions
+
+import com.topjohnwu.magisk.utils.currentLocale
+import java.text.DateFormat
+import java.text.ParseException
+import java.text.SimpleDateFormat
+
+val now get() = System.currentTimeMillis()
+
+fun Long.toTime(format: DateFormat) = format.format(this).orEmpty()
+fun String.toTime(format: DateFormat) = try {
+    format.parse(this)?.time ?: -1
+} catch (e: ParseException) {
+    -1L
+}
+
+val timeFormatFull by lazy { SimpleDateFormat("yyyy/MM/dd_HH:mm:ss", currentLocale) }
+val timeFormatStandard by lazy { SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", currentLocale) }
+val timeFormatMedium by lazy { DateFormat.getDateInstance(DateFormat.MEDIUM, currentLocale) }
+val timeFormatTime by lazy { SimpleDateFormat("h:mm a", currentLocale) }

app/src/main/java/com/topjohnwu/magisk/extensions/XView.kt

@@ -0,0 +1,14 @@
+package com.topjohnwu.magisk.extensions
+
+import android.view.View
+import android.view.ViewTreeObserver
+
+fun View.setOnViewReadyListener(callback: () -> Unit) = addOnGlobalLayoutListener(true, callback)
+
+fun View.addOnGlobalLayoutListener(oneShot: Boolean = false, callback: () -> Unit) =
+    viewTreeObserver.addOnGlobalLayoutListener(object : ViewTreeObserver.OnGlobalLayoutListener {
+        override fun onGlobalLayout() {
+            if (oneShot) viewTreeObserver.removeOnGlobalLayoutListener(this)
+            callback()
+        }
+    })

app/src/main/java/com/topjohnwu/magisk/model/adapters/ApplicationAdapter.java

@@ -1,427 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.ComponentInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.os.AsyncTask;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.WorkerThread;
-import androidx.collection.ArraySet;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.buildware.widget.indeterm.IndeterminateCheckBox;
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.ArrowExpandable;
-import com.topjohnwu.magisk.view.Expandable;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Set;
-
-import butterknife.BindView;
-import java9.util.Comparators;
-import java9.util.Lists;
-import java9.util.Objects;
-import java9.util.Sets;
-import java9.util.stream.Collectors;
-import java9.util.stream.Stream;
-import java9.util.stream.StreamSupport;
-
-public class ApplicationAdapter extends SectionedAdapter
-        <ApplicationAdapter.AppViewHolder, ApplicationAdapter.ProcessViewHolder> {
-
-    private static final String SAFETYNET_PROCESS = "com.google.android.gms.unstable";
-    private static final String GMS_PACKAGE = "com.google.android.gms";
-    private static boolean old_hide = false;
-
-    /* A list of apps that should not be shown as hide-able */
-    private static final List<String> HIDE_BLACKLIST = Lists.of(
-            App.self.getPackageName(),
-            "android",
-            "com.android.chrome",
-            "com.chrome.beta",
-            "com.chrome.dev",
-            "com.chrome.canary",
-            "com.android.webview",
-            "com.google.android.webview"
-    );
-    private static final List<String> DEFAULT_HIDELIST = Lists.of(
-            SAFETYNET_PROCESS
-    );
-
-    private static int BOTTOM_MARGIN = -1;
-
-    private List<HideAppInfo> fullList, showList;
-    private List<HideTarget> hideList;
-    private PackageManager pm;
-    private boolean showSystem;
-
-    public ApplicationAdapter(Context context) {
-        fullList = showList = Collections.emptyList();
-        hideList = Collections.emptyList();
-        pm = context.getPackageManager();
-        showSystem = Config.get(Config.Key.SHOW_SYSTEM_APP);
-        AsyncTask.SERIAL_EXECUTOR.execute(this::loadApps);
-    }
-
-    private static ViewGroup.MarginLayoutParams getMargins(RecyclerView.ViewHolder vh) {
-        return (ViewGroup.MarginLayoutParams) vh.itemView.getLayoutParams();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return showList.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        HideAppInfo app = showList.get(section);
-        return app.expanded ? app.processList.size() : 0;
-    }
-
-    @Override
-    public AppViewHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_hide_app, parent, false);
-        AppViewHolder vh = new AppViewHolder(v);
-        if (BOTTOM_MARGIN < 0)
-            BOTTOM_MARGIN = getMargins(vh).bottomMargin;
-        return vh;
-    }
-
-    @Override
-    public ProcessViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_hide_process, parent, false);
-        return new ProcessViewHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(AppViewHolder holder, int section) {
-        HideAppInfo app = showList.get(section);
-        holder.app_name.setText(app.name);
-        holder.app_icon.setImageDrawable(app.info.loadIcon(pm));
-        holder.package_name.setText(app.info.packageName);
-        holder.checkBox.setOnStateChangedListener(null);
-        holder.checkBox.setState(app.getState());
-        holder.ex.setExpanded(app.expanded);
-
-        int index = getItemPosition(section, 0);
-        holder.checkBox.setOnStateChangedListener((IndeterminateCheckBox box, @Nullable Boolean status) -> {
-            if (status != null) {
-                setHide(status, app);
-                if (app.expanded)
-                    notifyItemRangeChanged(index, app.processList.size());
-            }
-        });
-
-        if (app.processList.size() > 1) {
-            holder.arrow.setVisibility(View.VISIBLE);
-
-            holder.trigger.setOnClickListener((v) -> {
-                if (app.expanded) {
-                    app.expanded = false;
-                    notifyItemRangeRemoved(index, app.processList.size());
-                    holder.ex.collapse();
-                } else {
-                    app.expanded = true;
-                    notifyItemRangeInserted(index, app.processList.size());
-                    holder.ex.expand();
-                }
-            });
-        } else {
-            holder.arrow.setVisibility(View.GONE);
-            holder.trigger.setOnClickListener(null);
-        }
-
-    }
-
-    @Override
-    public void onBindItemViewHolder(ProcessViewHolder holder, int section, int position) {
-        HideAppInfo app = showList.get(section);
-        HideProcessInfo target = app.processList.get(position);
-        holder.process.setText(target.name);
-        holder.checkbox.setOnCheckedChangeListener(null);
-        holder.checkbox.setChecked(target.hidden);
-        holder.checkbox.setOnCheckedChangeListener((v, checked) -> {
-            setHide(checked, app, target);
-            notifyItemChanged(getSectionPosition(section));
-        });
-        getMargins(holder).bottomMargin =
-                position == app.processList.size() - 1 ? BOTTOM_MARGIN : 0;
-    }
-
-    public void filter(String constraint) {
-        AsyncTask.SERIAL_EXECUTOR.execute(() -> {
-            Stream<HideAppInfo> s = StreamSupport.stream(fullList)
-                    .filter(this::systemFilter)
-                    .filter(t -> nameFilter(t, constraint));
-            UiThreadHandler.run(() -> {
-                showList = s.collect(Collectors.toList());
-                notifyDataSetChanged();
-            });
-        });
-    }
-
-    public void setShowSystem(boolean b) {
-        showSystem = b;
-    }
-
-    public void refresh() {
-        AsyncTask.SERIAL_EXECUTOR.execute(this::loadApps);
-    }
-
-    private void setHide(boolean add, HideAppInfo app) {
-        if (add) {
-            StreamSupport.stream(app.processList).forEach(p -> setHide(true, app, p));
-        } else {
-            if (StreamSupport.stream(app.processList)
-                    .anyMatch(p -> p.name.equals(SAFETYNET_PROCESS))) {
-                StreamSupport.stream(app.processList).forEach(p -> setHide(false, app, p));
-            } else {
-                // Quick removal
-                Shell.su("magiskhide --rm " + app.info.packageName).submit();
-                StreamSupport.stream(app.processList).forEach(p -> p.hidden = false);
-            }
-        }
-    }
-
-    private void setHide(boolean add, HideAppInfo app, HideProcessInfo process) {
-        // Don't remove SafetyNet
-        if (!add && DEFAULT_HIDELIST.contains(process.name))
-            return;
-        Shell.su(Utils.fmt("magiskhide --%s %s %s", add ? "add" : "rm",
-                app.info.packageName, process.name)).submit();
-        process.hidden = add;
-    }
-
-    private void addProcesses(Set<String> set, ComponentInfo[] infos) {
-        if (infos != null)
-            for (ComponentInfo info : infos)
-                set.add(info.processName);
-    }
-
-    private PackageInfo getPackageInfo(String pkg) {
-        // Try super hard to get as much info as possible
-        try {
-            return pm.getPackageInfo(pkg,
-                    PackageManager.GET_ACTIVITIES | PackageManager.GET_SERVICES |
-                            PackageManager.GET_RECEIVERS | PackageManager.GET_PROVIDERS);
-        } catch (Exception e1) {
-            try {
-                PackageInfo info = pm.getPackageInfo(pkg, PackageManager.GET_ACTIVITIES);
-                info.services = pm.getPackageInfo(pkg, PackageManager.GET_SERVICES).services;
-                info.receivers = pm.getPackageInfo(pkg, PackageManager.GET_RECEIVERS).receivers;
-                info.providers = pm.getPackageInfo(pkg, PackageManager.GET_PROVIDERS).providers;
-                return info;
-            } catch (Exception e2) {
-                return null;
-            }
-        }
-    }
-
-    @WorkerThread
-    private void loadApps() {
-        hideList = StreamSupport.stream(Shell.su("magiskhide --ls").exec().getOut())
-                .map(HideTarget::new)
-                .collect(Collectors.toList());
-
-        fullList = StreamSupport.stream(pm.getInstalledApplications(0))
-                .filter(info -> !HIDE_BLACKLIST.contains(info.packageName) && info.enabled)
-                .map(info -> {
-                    if (old_hide) {
-                        return new HideAppInfo(info, Sets.of(info.packageName));
-                    } else {
-                        Set<String> set = new ArraySet<>();
-                        PackageInfo pkg = getPackageInfo(info.packageName);
-                        if (pkg != null) {
-                            addProcesses(set, pkg.activities);
-                            addProcesses(set, pkg.services);
-                            addProcesses(set, pkg.receivers);
-                            addProcesses(set, pkg.providers);
-                        }
-                        if (set.isEmpty())
-                            return null;
-                        return new HideAppInfo(info, set);
-                    }
-                }).filter(Objects::nonNull).sorted()
-                .collect(Collectors.toList());
-
-        Event.trigger(false, Event.MAGISK_HIDE_DONE);
-    }
-
-    // True if not system app or user already hidden it
-    private boolean systemFilter(HideAppInfo target) {
-        return showSystem || target.haveHidden() ||
-                (target.info.flags & ApplicationInfo.FLAG_SYSTEM) == 0;
-    }
-
-    private boolean contains(String s, String filter) {
-        return s.toLowerCase().contains(filter);
-    }
-
-    private boolean nameFilter(HideAppInfo target, String filter) {
-        if (filter == null || filter.isEmpty())
-            return true;
-        filter = filter.toLowerCase();
-        if (contains(target.name, filter))
-            return true;
-        for (HideProcessInfo p : target.processList) {
-            if (contains(p.name, filter))
-                return true;
-        }
-        return contains(target.info.packageName, filter);
-    }
-
-    class HideAppInfo implements Comparable<HideAppInfo> {
-        String name;
-        ApplicationInfo info;
-        List<HideProcessInfo> processList;
-        boolean expanded;
-        IndeterminateCheckBox.OnStateChangedListener listener;
-
-        HideAppInfo(ApplicationInfo appInfo, Set<String> set) {
-            info = appInfo;
-            name = Utils.getAppLabel(info, pm);
-            expanded = false;
-            processList = StreamSupport.stream(set)
-                    .map(process -> new HideProcessInfo(info.packageName, process))
-                    .sorted().collect(Collectors.toList());
-            listener = (IndeterminateCheckBox box, @Nullable Boolean status) -> {
-                if (status != null) {
-                    for (HideProcessInfo p : processList) {
-                        String cmd = Utils.fmt("magiskhide --%s %s %s",
-                                status ? "add" : "rm", info.packageName, p.name);
-                        Shell.su(cmd).submit();
-                        p.hidden = status;
-                    }
-                }
-            };
-        }
-
-        @Override
-        public int compareTo(HideAppInfo o) {
-            Comparator<HideAppInfo> c;
-            c = Comparators.comparing(HideAppInfo::haveHidden);
-            c = Comparators.reversed(c);
-            c = Comparators.thenComparing(c, t -> t.name, String::compareToIgnoreCase);
-            c = Comparators.thenComparing(c, t -> t.info.packageName);
-            return c.compare(this, o);
-        }
-
-        Boolean getState() {
-            boolean all = true;
-            boolean hidden = false;
-            for (HideProcessInfo p : processList) {
-                if (!p.hidden)
-                    all = false;
-                else
-                    hidden = true;
-            }
-            if (all)
-                return true;
-            return hidden ? null : false;
-        }
-
-        boolean haveHidden() {
-            Boolean c = getState();
-            return c == null ? true : c;
-        }
-    }
-
-    class HideProcessInfo implements Comparable<HideProcessInfo> {
-        String name;
-        boolean hidden;
-
-        HideProcessInfo(String pkg, String process) {
-            this.name = process;
-            for (HideTarget t : hideList) {
-                if (t.pkg.equals(pkg) && t.process.equals(process)) {
-                    hidden = true;
-                    break;
-                }
-            }
-        }
-
-        @Override
-        public int compareTo(HideProcessInfo o) {
-            Comparator<HideProcessInfo> c;
-            c = Comparators.comparing((HideProcessInfo t) -> t.hidden);
-            c = Comparators.reversed(c);
-            c = Comparators.thenComparing(c, t -> t.name);
-            return c.compare(this, o);
-        }
-    }
-
-    class HideTarget {
-        String pkg;
-        String process;
-
-        HideTarget(String line) {
-            String[] split = line.split("\\|", 2);
-            pkg = split[0];
-            if (split.length == 2) {
-                process = split[1];
-            } else {
-                // Backwards compatibility
-                old_hide = true;
-                process = pkg;
-            }
-        }
-    }
-
-    class AppViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_icon) ImageView app_icon;
-        @BindView(R.id.app_name) TextView app_name;
-        @BindView(R.id.package_name) TextView package_name;
-        @BindView(R.id.checkbox) IndeterminateCheckBox checkBox;
-        @BindView(R.id.trigger) View trigger;
-        @BindView(R.id.arrow) ImageView arrow;
-
-        Expandable ex;
-
-        AppViewHolder(@NonNull View itemView) {
-            super(itemView);
-            new ApplicationAdapter$AppViewHolder_ViewBinding(this, itemView);
-            ex = new ArrowExpandable(new Expandable() {
-                @Override
-                protected void onExpand() {
-                    getMargins(AppViewHolder.this).bottomMargin = 0;
-                }
-
-                @Override
-                protected void onCollapse() {
-                    getMargins(AppViewHolder.this).bottomMargin = BOTTOM_MARGIN;
-                }
-            }, arrow);
-        }
-    }
-
-    class ProcessViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.process) TextView process;
-        @BindView(R.id.checkbox) CheckBox checkbox;
-
-        ProcessViewHolder(@NonNull View itemView) {
-            super(itemView);
-            new ApplicationAdapter$ProcessViewHolder_ViewBinding(this, itemView);
-        }
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/ModulesAdapter.java

@@ -1,127 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.text.TextUtils;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.entity.Module;
-import com.topjohnwu.magisk.view.SnackbarMaker;
-import com.topjohnwu.superuser.Shell;
-
-import java.util.List;
-
-import butterknife.BindView;
-
-public class ModulesAdapter extends RecyclerView.Adapter<ModulesAdapter.ViewHolder> {
-
-    private final List<Module> mList;
-
-    public ModulesAdapter(List<Module> list) {
-        mList = list;
-    }
-
-    @NonNull
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_module, parent, false);
-        return new ViewHolder(view);
-    }
-
-    @Override
-    public void onBindViewHolder(final ViewHolder holder, int position) {
-        Context context = holder.itemView.getContext();
-        final Module module = mList.get(position);
-
-        String version = module.getVersion();
-        String author = module.getAuthor();
-        String description = module.getDescription();
-        String noInfo = context.getString(R.string.no_info_provided);
-
-        holder.title.setText(module.getName());
-        holder.versionName.setText(TextUtils.isEmpty(version) ? noInfo : version);
-        holder.author.setText(TextUtils.isEmpty(author) ? noInfo : context.getString(R.string.author, author));
-        holder.description.setText(TextUtils.isEmpty(description) ? noInfo : description);
-
-        holder.checkBox.setOnCheckedChangeListener(null);
-        holder.checkBox.setChecked(module.isEnabled());
-        holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
-            int snack;
-            if (isChecked) {
-                module.removeDisableFile();
-                snack = R.string.disable_file_removed;
-            } else {
-                module.createDisableFile();
-                snack = R.string.disable_file_created;
-            }
-            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
-        });
-
-        holder.delete.setOnClickListener(v -> {
-            boolean removed = module.willBeRemoved();
-            int snack;
-            if (removed) {
-                module.deleteRemoveFile();
-                snack = R.string.remove_file_deleted;
-            } else {
-                module.createRemoveFile();
-                snack = R.string.remove_file_created;
-            }
-            SnackbarMaker.make(holder.itemView, snack, Snackbar.LENGTH_SHORT).show();
-            updateDeleteButton(holder, module);
-        });
-
-        if (module.isUpdated()) {
-            holder.notice.setVisibility(View.VISIBLE);
-            holder.notice.setText(R.string.update_file_created);
-            holder.delete.setEnabled(false);
-        } else {
-            updateDeleteButton(holder, module);
-        }
-    }
-
-    private void updateDeleteButton(ViewHolder holder, Module module) {
-        holder.notice.setVisibility(module.willBeRemoved() ? View.VISIBLE : View.GONE);
-
-        if (module.willBeRemoved()) {
-            holder.delete.setImageResource(R.drawable.ic_undelete);
-        } else {
-            holder.delete.setImageResource(R.drawable.ic_delete);
-        }
-    }
-
-    @Override
-    public int getItemCount() {
-        return mList.size();
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.title) TextView title;
-        @BindView(R.id.version_name) TextView versionName;
-        @BindView(R.id.description) TextView description;
-        @BindView(R.id.notice) TextView notice;
-        @BindView(R.id.checkbox) CheckBox checkBox;
-        @BindView(R.id.author) TextView author;
-        @BindView(R.id.delete) ImageView delete;
-
-        ViewHolder(View itemView) {
-            super(itemView);
-            new ModulesAdapter$ViewHolder_ViewBinding(this, itemView);
-
-            if (!Shell.rootAccess()) {
-                checkBox.setEnabled(false);
-                delete.setEnabled(false);
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/PolicyAdapter.java

@@ -1,172 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.app.Activity;
-import android.content.DialogInterface;
-import android.content.pm.PackageManager;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.widget.SwitchCompat;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.model.entity.Policy;
-import com.topjohnwu.magisk.utils.FingerprintHelper;
-import com.topjohnwu.magisk.view.ArrowExpandable;
-import com.topjohnwu.magisk.view.Expandable;
-import com.topjohnwu.magisk.view.ExpandableViewHolder;
-import com.topjohnwu.magisk.view.SnackbarMaker;
-import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog;
-import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog;
-
-import java.util.List;
-
-import butterknife.BindView;
-
-public class PolicyAdapter extends RecyclerView.Adapter<PolicyAdapter.ViewHolder> {
-
-    private List<Policy> policyList;
-    private MagiskDB dbHelper;
-    private PackageManager pm;
-    private boolean[] expandList;
-
-    public PolicyAdapter(List<Policy> list, MagiskDB db, PackageManager pm) {
-        policyList = list;
-        expandList = new boolean[policyList.size()];
-        dbHelper = db;
-        this.pm = pm;
-    }
-
-    @NonNull
-    @Override
-    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_policy, parent, false);
-        return new ViewHolder(v);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
-        Policy policy = policyList.get(position);
-
-        holder.settings.setExpanded(expandList[position]);
-        holder.trigger.setOnClickListener(view -> {
-            if (holder.settings.isExpanded()) {
-                holder.settings.collapse();
-                expandList[position] = false;
-            } else {
-                holder.settings.expand();
-                expandList[position] = true;
-            }
-        });
-
-        holder.appName.setText(policy.appName);
-        holder.packageName.setText(policy.packageName);
-        holder.appIcon.setImageDrawable(policy.info.loadIcon(pm));
-
-        holder.notificationSwitch.setOnCheckedChangeListener(null);
-        holder.loggingSwitch.setOnCheckedChangeListener(null);
-
-        holder.masterSwitch.setChecked(policy.policy == Policy.ALLOW);
-        holder.notificationSwitch.setChecked(policy.notification);
-        holder.loggingSwitch.setChecked(policy.logging);
-
-        holder.masterSwitch.setOnClickListener(v -> {
-            boolean isChecked = holder.masterSwitch.isChecked();
-            Runnable r = () -> {
-                if ((isChecked && policy.policy == Policy.DENY) ||
-                        (!isChecked && policy.policy == Policy.ALLOW)) {
-                    policy.policy = isChecked ? Policy.ALLOW : Policy.DENY;
-                    String message = v.getContext().getString(
-                            isChecked ? R.string.su_snack_grant : R.string.su_snack_deny, policy.appName);
-                    SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                    dbHelper.updatePolicy(policy);
-                }
-            };
-            if (FingerprintHelper.useFingerprint()) {
-                holder.masterSwitch.setChecked(!isChecked);
-                new FingerprintAuthDialog((Activity) v.getContext(), () -> {
-                    holder.masterSwitch.setChecked(isChecked);
-                    r.run();
-                }).show();
-            } else {
-                r.run();
-            }
-        });
-        holder.notificationSwitch.setOnCheckedChangeListener((v, isChecked) -> {
-            if ((isChecked && !policy.notification) ||
-                    (!isChecked && policy.notification)) {
-                policy.notification = isChecked;
-                String message = v.getContext().getString(
-                        isChecked ? R.string.su_snack_notif_on : R.string.su_snack_notif_off, policy.appName);
-                SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                dbHelper.updatePolicy(policy);
-            }
-        });
-        holder.loggingSwitch.setOnCheckedChangeListener((v, isChecked) -> {
-            if ((isChecked && !policy.logging) ||
-                    (!isChecked && policy.logging)) {
-                policy.logging = isChecked;
-                String message = v.getContext().getString(
-                        isChecked ? R.string.su_snack_log_on : R.string.su_snack_log_off, policy.appName);
-                SnackbarMaker.make(holder.itemView, message, Snackbar.LENGTH_SHORT).show();
-                dbHelper.updatePolicy(policy);
-            }
-        });
-        holder.delete.setOnClickListener(v -> {
-            DialogInterface.OnClickListener l = (dialog, which) -> {
-                policyList.remove(position);
-                notifyItemRemoved(position);
-                notifyItemRangeChanged(position, policyList.size());
-                SnackbarMaker.make(holder.itemView, v.getContext().getString(R.string.su_snack_revoke, policy.appName),
-                        Snackbar.LENGTH_SHORT).show();
-                dbHelper.deletePolicy(policy);
-            };
-            if (FingerprintHelper.useFingerprint()) {
-                new FingerprintAuthDialog((Activity) v.getContext(),
-                        () -> l.onClick(null, 0)).show();
-            } else {
-                new CustomAlertDialog((Activity) v.getContext())
-                        .setTitle(R.string.su_revoke_title)
-                        .setMessage(v.getContext().getString(R.string.su_revoke_msg, policy.appName))
-                        .setPositiveButton(R.string.yes, l)
-                        .setNegativeButton(R.string.no_thanks, null)
-                        .setCancelable(true)
-                        .show();
-            }
-        });
-    }
-
-    @Override
-    public int getItemCount() {
-        return policyList.size();
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_name) TextView appName;
-        @BindView(R.id.package_name) TextView packageName;
-        @BindView(R.id.app_icon) ImageView appIcon;
-        @BindView(R.id.master_switch) SwitchCompat masterSwitch;
-        @BindView(R.id.notification_switch) SwitchCompat notificationSwitch;
-        @BindView(R.id.logging_switch) SwitchCompat loggingSwitch;
-        @BindView(R.id.expand_layout) ViewGroup expandLayout;
-        @BindView(R.id.arrow) ImageView arrow;
-        @BindView(R.id.trigger) View trigger;
-        @BindView(R.id.delete) ImageView delete;
-        @BindView(R.id.more_info) ImageView moreInfo;
-
-        Expandable settings;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            new PolicyAdapter$ViewHolder_ViewBinding(this, itemView);
-            settings = new ArrowExpandable(new ExpandableViewHolder(expandLayout), arrow);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/ReposAdapter.java

@@ -1,246 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.os.Build;
-import android.text.TextUtils;
-import android.util.Pair;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.SearchView;
-import android.widget.TextView;
-
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
-import com.topjohnwu.magisk.model.download.DownloadModuleService;
-import com.topjohnwu.magisk.model.entity.Module;
-import com.topjohnwu.magisk.model.entity.Repo;
-import com.topjohnwu.magisk.ui.base.BaseActivity;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.view.MarkDownWindow;
-import com.topjohnwu.magisk.view.dialogs.CustomAlertDialog;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-
-import butterknife.BindView;
-import java9.util.stream.StreamSupport;
-
-public class ReposAdapter
-        extends SectionedAdapter<ReposAdapter.SectionHolder, ReposAdapter.RepoHolder>
-        implements Event.AutoListener, SearchView.OnQueryTextListener {
-
-    private static final int UPDATES = 0;
-    private static final int INSTALLED = 1;
-    private static final int OTHERS = 2;
-
-    private Map<String, Module> moduleMap;
-    private RepoDatabaseHelper repoDB;
-    private List<Pair<Integer, List<Repo>>> repoPairs;
-    private List<Repo> fullList;
-    private SearchView mSearch;
-
-    public ReposAdapter() {
-        repoDB = App.self.repoDB;
-        moduleMap = Collections.emptyMap();
-        fullList = Collections.emptyList();
-        repoPairs = new ArrayList<>();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return repoPairs.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        return repoPairs.get(section).second.size();
-    }
-
-    @Override
-    public SectionHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.section, parent, false);
-        return new SectionHolder(v);
-    }
-
-    @Override
-    public RepoHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_repo, parent, false);
-        return new RepoHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(SectionHolder holder, int section) {
-        switch (repoPairs.get(section).first) {
-            case UPDATES:
-                holder.sectionText.setText(R.string.update_available);
-                break;
-            case INSTALLED:
-                holder.sectionText.setText(R.string.installed);
-                break;
-            case OTHERS:
-                holder.sectionText.setText(R.string.not_installed);
-                break;
-        }
-    }
-
-    @Override
-    public void onBindItemViewHolder(RepoHolder holder, int section, int position) {
-        Repo repo = repoPairs.get(section).second.get(position);
-        Context context = holder.itemView.getContext();
-
-        String name = repo.getName();
-        String version = repo.getVersion();
-        String author = repo.getAuthor();
-        String description = repo.getDescription();
-        String noInfo = context.getString(R.string.no_info_provided);
-
-        holder.title.setText(TextUtils.isEmpty(name) ? noInfo : name);
-        holder.versionName.setText(TextUtils.isEmpty(version) ? noInfo : version);
-        holder.author.setText(TextUtils.isEmpty(author) ? noInfo : context.getString(R.string.author, author));
-        holder.description.setText(TextUtils.isEmpty(description) ? noInfo : description);
-        holder.updateTime.setText(context.getString(R.string.updated_on, repo.getLastUpdateString()));
-
-        holder.infoLayout.setOnClickListener(v ->
-                MarkDownWindow.show((BaseActivity) context, null, repo.getDetailUrl()));
-
-        holder.downloadImage.setOnClickListener(v -> {
-            new CustomAlertDialog((BaseActivity) context)
-                .setTitle(context.getString(R.string.repo_install_title, repo.getName()))
-                .setMessage(context.getString(R.string.repo_install_msg, repo.getDownloadFilename()))
-                .setCancelable(true)
-                .setPositiveButton(R.string.install, (d, i) ->
-                        startDownload((BaseActivity) context, repo, true))
-                .setNeutralButton(R.string.download, (d, i) ->
-                        startDownload((BaseActivity) context, repo, false))
-                .setNegativeButton(R.string.no_thanks, null)
-                .show();
-        });
-    }
-
-    private void startDownload(BaseActivity activity, Repo repo, Boolean install) {
-        activity.runWithExternalRW(() -> {
-            Intent intent = new Intent(activity, ClassMap.get(DownloadModuleService.class))
-                    .putExtra("repo", repo).putExtra("install", install);
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                activity.startForegroundService(intent);
-            } else {
-                activity.startService(intent);
-            }
-        });
-    }
-
-    private void updateLists() {
-        if (mSearch != null)
-            onQueryTextChange(mSearch.getQuery().toString());
-        else
-            onQueryTextChange("");
-    }
-
-    private static boolean noCaseContain(String a, String b) {
-        return a.toLowerCase().contains(b.toLowerCase());
-    }
-
-    public void setSearchView(SearchView view) {
-        mSearch = view;
-        mSearch.setOnQueryTextListener(this);
-    }
-
-    public void notifyDBChanged(boolean refresh) {
-        try (Cursor c = repoDB.getRepoCursor()) {
-            fullList = new ArrayList<>(c.getCount());
-            while (c.moveToNext())
-                fullList.add(new Repo(c));
-        }
-        if (refresh)
-            updateLists();
-    }
-
-    @Override
-    public void onEvent(int event) {
-        moduleMap = Event.getResult(event);
-        updateLists();
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.MODULE_LOAD_DONE};
-    }
-
-    @Override
-    public boolean onQueryTextSubmit(String query) {
-        return false;
-    }
-
-    @Override
-    public boolean onQueryTextChange(String s) {
-        List<Repo> updates = new ArrayList<>();
-        List<Repo> installed = new ArrayList<>();
-        List<Repo> others = new ArrayList<>();
-
-        StreamSupport.stream(fullList)
-                .filter(repo -> noCaseContain(repo.getName(), s)
-                        || noCaseContain(repo.getAuthor(), s)
-                        || noCaseContain(repo.getDescription(), s))
-                .forEach(repo -> {
-                    Module module = moduleMap.get(repo.getId());
-                    if (module != null) {
-                        if (repo.getVersionCode() > module.getVersionCode()) {
-                            // Updates
-                            updates.add(repo);
-                        } else {
-                            installed.add(repo);
-                        }
-                    } else {
-                        others.add(repo);
-                    }
-                });
-
-        repoPairs.clear();
-        if (!updates.isEmpty())
-            repoPairs.add(new Pair<>(UPDATES, updates));
-        if (!installed.isEmpty())
-            repoPairs.add(new Pair<>(INSTALLED, installed));
-        if (!others.isEmpty())
-            repoPairs.add(new Pair<>(OTHERS, others));
-
-        notifyDataSetChanged();
-        return false;
-    }
-
-    static class SectionHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.section_text) TextView sectionText;
-
-        SectionHolder(View itemView) {
-            super(itemView);
-            new ReposAdapter$SectionHolder_ViewBinding(this, itemView);
-        }
-    }
-
-    static class RepoHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.title) TextView title;
-        @BindView(R.id.version_name) TextView versionName;
-        @BindView(R.id.description) TextView description;
-        @BindView(R.id.author) TextView author;
-        @BindView(R.id.info_layout) View infoLayout;
-        @BindView(R.id.download) ImageView downloadImage;
-        @BindView(R.id.update_time) TextView updateTime;
-
-        RepoHolder(View itemView) {
-            super(itemView);
-            new ReposAdapter$RepoHolder_ViewBinding(this, itemView);
-        }
-
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/SectionedAdapter.java

@@ -1,96 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-public abstract class SectionedAdapter<S extends RecyclerView.ViewHolder, C extends RecyclerView.ViewHolder>
-        extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
-
-    private static final int SECTION_TYPE = Integer.MIN_VALUE;
-
-    @NonNull
-    @Override
-    final public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        if (viewType == SECTION_TYPE)
-            return onCreateSectionViewHolder(parent);
-        return onCreateItemViewHolder(parent, viewType);
-    }
-
-    @Override
-    @SuppressWarnings("unchecked")
-    final public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
-        PositionInfo info = getPositionInfo(position);
-        if (info.position == -1)
-            onBindSectionViewHolder((S) holder, info.section);
-        else
-            onBindItemViewHolder((C) holder, info.section, info.position);
-    }
-
-    @Override
-    final public int getItemCount() {
-        int size, sec;
-        size = sec = getSectionCount();
-        for (int i = 0; i < sec; ++i){
-            size += getItemCount(i);
-        }
-        return size;
-    }
-
-    @Override
-    final public int getItemViewType(int position) {
-        PositionInfo info = getPositionInfo(position);
-        if (info.position == -1)
-            return SECTION_TYPE;
-        else
-            return getItemViewType(info.section, info.position);
-    }
-
-    public int getItemViewType(int section, int position) {
-        return 0;
-    }
-
-    protected int getSectionPosition(int section) {
-        return getItemPosition(section, -1);
-    }
-
-    protected int getItemPosition(int section, int position) {
-        int realPosition = 0;
-        // Previous sections
-        for (int i = 0; i < section; ++i) {
-            realPosition += getItemCount(i) + 1;
-        }
-        // Current section
-        realPosition += position + 1;
-        return realPosition;
-    }
-
-    private PositionInfo getPositionInfo(int position) {
-        int section = 0;
-        while (true) {
-            if (position == 0)
-                return new PositionInfo(section, -1);
-            position -= 1;
-            if (position < getItemCount(section))
-                return new PositionInfo(section, position);
-            position -= getItemCount(section++);
-        }
-    }
-
-    private static class PositionInfo {
-        int section;
-        int position;
-        PositionInfo(int section, int position) {
-            this.section = section;
-            this.position = position;
-        }
-    }
-
-    public abstract int getSectionCount();
-    public abstract int getItemCount(int section);
-    public abstract S onCreateSectionViewHolder(ViewGroup parent);
-    public abstract C onCreateItemViewHolder(ViewGroup parent, int viewType);
-    public abstract void onBindSectionViewHolder(S holder, int section);
-    public abstract void onBindItemViewHolder(C holder, int section, int position);
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/StringListAdapter.java

@@ -1,103 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.app.Activity;
-import android.util.DisplayMetrics;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import androidx.annotation.IdRes;
-import androidx.annotation.LayoutRes;
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.List;
-
-public abstract class StringListAdapter<VH extends StringListAdapter.ViewHolder>
-        extends RecyclerView.Adapter<VH> {
-
-    private RecyclerView rv;
-    private boolean dynamic;
-    private int screenWidth;
-    private int txtWidth = -1;
-    private int padding;
-
-    protected List<String> mList;
-
-    public StringListAdapter(List<String> list) {
-        this(list, false);
-    }
-
-    public StringListAdapter(List<String> list, boolean isDynamic) {
-        mList = list;
-        dynamic = isDynamic;
-    }
-
-    @NonNull
-    @Override
-    public final VH onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(itemLayoutRes(), parent, false);
-        VH vh = createViewHolder(v);
-        if (txtWidth < 0)
-            onUpdateTextWidth(vh);
-        return vh;
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull VH holder, int position) {
-        holder.txt.setText(mList.get(position));
-        holder.txt.getLayoutParams().width = txtWidth;
-        if (dynamic)
-            onUpdateTextWidth(holder);
-    }
-
-    protected void onUpdateTextWidth(VH vh) {
-        if (txtWidth < 0) {
-            txtWidth = screenWidth - padding;
-        } else {
-            vh.txt.measure(0, 0);
-            int width = vh.txt.getMeasuredWidth();
-            if (width > txtWidth) {
-                txtWidth = width;
-                vh.txt.getLayoutParams().width = txtWidth;
-            }
-        }
-        if (rv.getWidth() != txtWidth + padding)
-            rv.requestLayout();
-    }
-
-    @Override
-    public void onAttachedToRecyclerView(@NonNull RecyclerView rv) {
-        DisplayMetrics displayMetrics = new DisplayMetrics();
-        ((Activity) rv.getContext()).getWindowManager()
-                .getDefaultDisplay().getMetrics(displayMetrics);
-        screenWidth = displayMetrics.widthPixels;
-        padding = rv.getPaddingStart() + rv.getPaddingEnd();
-        this.rv = rv;
-    }
-
-    @Override
-    public final int getItemCount() {
-        return mList.size();
-    }
-
-    @LayoutRes
-    protected abstract int itemLayoutRes();
-
-    @NonNull
-    public abstract VH createViewHolder(@NonNull View v);
-
-    public static abstract class ViewHolder extends RecyclerView.ViewHolder {
-
-        public TextView txt;
-
-        public ViewHolder(@NonNull View itemView) {
-            super(itemView);
-            txt = itemView.findViewById(textViewResId());
-        }
-
-        @IdRes
-        protected abstract int textViewResId();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/SuLogAdapter.java

@@ -1,144 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.animation.Animation;
-import android.view.animation.RotateAnimation;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.data.database.MagiskDB;
-import com.topjohnwu.magisk.model.entity.SuLogEntry;
-import com.topjohnwu.magisk.view.ExpandableViewHolder;
-
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import butterknife.BindView;
-
-public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, SuLogAdapter.LogViewHolder> {
-
-    private List<List<SuLogEntry>> logEntries;
-    private Set<Integer> itemExpanded, sectionExpanded;
-    private MagiskDB suDB;
-
-    public SuLogAdapter(MagiskDB db) {
-        suDB = db;
-        logEntries = Collections.emptyList();
-        sectionExpanded = new HashSet<>();
-        itemExpanded = new HashSet<>();
-    }
-
-    @Override
-    public int getSectionCount() {
-        return logEntries.size();
-    }
-
-    @Override
-    public int getItemCount(int section) {
-        return sectionExpanded.contains(section) ? logEntries.get(section).size() : 0;
-    }
-
-    @Override
-    public SectionHolder onCreateSectionViewHolder(ViewGroup parent) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_sulog_group, parent, false);
-        return new SectionHolder(v);
-    }
-
-    @Override
-    public LogViewHolder onCreateItemViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_sulog, parent, false);
-        return new LogViewHolder(v);
-    }
-
-    @Override
-    public void onBindSectionViewHolder(SectionHolder holder, int section) {
-        SuLogEntry entry = logEntries.get(section).get(0);
-        holder.arrow.setRotation(sectionExpanded.contains(section) ? 180 : 0);
-        holder.itemView.setOnClickListener(v -> {
-            RotateAnimation rotate;
-            if (sectionExpanded.contains(section)) {
-                holder.arrow.setRotation(0);
-                rotate = new RotateAnimation(180, 0, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
-                sectionExpanded.remove(section);
-                notifyItemRangeRemoved(getItemPosition(section, 0), logEntries.get(section).size());
-            } else {
-                rotate = new RotateAnimation(0, 180, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
-                sectionExpanded.add(section);
-                notifyItemRangeInserted(getItemPosition(section, 0), logEntries.get(section).size());
-            }
-            rotate.setDuration(300);
-            rotate.setFillAfter(true);
-            holder.arrow.setAnimation(rotate);
-        });
-        holder.date.setText(entry.getDateString());
-    }
-
-    @Override
-    public void onBindItemViewHolder(LogViewHolder holder, int section, int position) {
-        SuLogEntry entry = logEntries.get(section).get(position);
-        int realIdx = getItemPosition(section, position);
-        holder.expandable.setExpanded(itemExpanded.contains(realIdx));
-        holder.itemView.setOnClickListener(view -> {
-            if (holder.expandable.isExpanded()) {
-                holder.expandable.collapse();
-                itemExpanded.remove(realIdx);
-            } else {
-                holder.expandable.expand();
-                itemExpanded.add(realIdx);
-            }
-        });
-        Context context = holder.itemView.getContext();
-        holder.appName.setText(entry.appName);
-        holder.action.setText(entry.action ? R.string.grant : R.string.deny);
-        holder.pid.setText(context.getString(R.string.pid, entry.fromPid));
-        holder.uid.setText(context.getString(R.string.target_uid, entry.toUid));
-        holder.command.setText(context.getString(R.string.command, entry.command));
-        holder.time.setText(entry.getTimeString());
-    }
-
-    public void notifyDBChanged() {
-        logEntries = suDB.getLogs();
-        itemExpanded.clear();
-        sectionExpanded.clear();
-        sectionExpanded.add(0);
-        notifyDataSetChanged();
-    }
-
-    static class SectionHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.date) TextView date;
-        @BindView(R.id.arrow) ImageView arrow;
-
-        SectionHolder(View itemView) {
-            super(itemView);
-            new SuLogAdapter$SectionHolder_ViewBinding(this, itemView);
-        }
-    }
-
-    static class LogViewHolder extends RecyclerView.ViewHolder {
-
-        @BindView(R.id.app_name) TextView appName;
-        @BindView(R.id.action) TextView action;
-        @BindView(R.id.time) TextView time;
-        @BindView(R.id.pid) TextView pid;
-        @BindView(R.id.uid) TextView uid;
-        @BindView(R.id.cmd) TextView command;
-        @BindView(R.id.expand_layout) ViewGroup expandLayout;
-
-        ExpandableViewHolder expandable;
-
-        LogViewHolder(View itemView) {
-            super(itemView);
-            new SuLogAdapter$LogViewHolder_ViewBinding(this, itemView);
-            expandable = new ExpandableViewHolder(expandLayout);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/adapters/TabFragmentAdapter.java

@@ -1,41 +0,0 @@
-package com.topjohnwu.magisk.model.adapters;
-
-
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class TabFragmentAdapter extends FragmentPagerAdapter {
-
-    private List<Fragment> fragmentList;
-    private List<String> titleList;
-
-    public TabFragmentAdapter(FragmentManager fm) {
-        super(fm);
-        fragmentList = new ArrayList<>();
-        titleList = new ArrayList<>();
-    }
-
-    @Override
-    public Fragment getItem(int position) {
-        return fragmentList.get(position);
-    }
-
-    @Override
-    public int getCount() {
-        return fragmentList.size();
-    }
-
-    @Override
-    public CharSequence getPageTitle(int position) {
-        return titleList.get(position);
-    }
-
-    public void addTab(Fragment fragment, String title) {
-        fragmentList.add(fragment);
-        titleList.add(title);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/binding/BindingAdapter.kt

@@ -0,0 +1,37 @@
+package com.topjohnwu.magisk.model.binding
+
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
+import com.topjohnwu.magisk.databinding.ComparableRvItem
+import com.topjohnwu.magisk.model.entity.recycler.LenientRvItem
+import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
+
+class BindingAdapter : BindingRecyclerViewAdapter<ComparableRvItem<*>>() {
+
+    private var recyclerView: RecyclerView? = null
+
+    override fun onBindBinding(
+        binding: ViewDataBinding,
+        variableId: Int,
+        layoutRes: Int,
+        position: Int,
+        item: ComparableRvItem<*>
+    ) {
+        super.onBindBinding(binding, variableId, layoutRes, position, item)
+
+        when (item) {
+            is LenientRvItem -> {
+                val recycler = recyclerView ?: return
+                item.onBindingBound(binding)
+                item.onBindingBound(binding, recycler)
+            }
+            else -> item.onBindingBound(binding)
+        }
+    }
+
+    override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
+        super.onAttachedToRecyclerView(recyclerView)
+        this.recyclerView = recyclerView
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/download/DownloadModuleService.java

@@ -1,156 +0,0 @@
-package com.topjohnwu.magisk.model.download;
-
-import android.app.PendingIntent;
-import android.app.Service;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.IBinder;
-
-import androidx.annotation.Nullable;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.model.entity.Repo;
-import com.topjohnwu.magisk.ui.flash.FlashActivity;
-import com.topjohnwu.magisk.view.Notifications;
-import com.topjohnwu.magisk.view.ProgressNotification;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.ShellUtils;
-
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-import java.util.zip.ZipOutputStream;
-
-public class DownloadModuleService extends Service {
-
-    private List<ProgressNotification> notifications;
-
-    @Nullable
-    @Override
-    public IBinder onBind(Intent intent) {
-        return null;
-    }
-
-    @Override
-    public void onCreate() {
-        notifications = new ArrayList<>();
-    }
-
-    @Override
-    public int onStartCommand(Intent intent, int flags, int startId) {
-        Shell.EXECUTOR.execute(() -> {
-            Repo repo = intent.getParcelableExtra("repo");
-            boolean install = intent.getBooleanExtra("install", false);
-            dlProcessInstall(repo, install);
-        });
-        return START_REDELIVER_INTENT;
-    }
-
-    @Override
-    public synchronized void onTaskRemoved(Intent rootIntent) {
-        for (ProgressNotification n : notifications) {
-            Notifications.mgr.cancel(n.hashCode());
-        }
-        notifications.clear();
-    }
-
-    private synchronized void addNotification(ProgressNotification n) {
-        if (notifications.isEmpty()) {
-            // Start foreground
-            startForeground(n.hashCode(), n.getNotification());
-        }
-        notifications.add(n);
-    }
-
-    private synchronized void removeNotification(ProgressNotification n) {
-        notifications.remove(n);
-        if (notifications.isEmpty()) {
-            // No more tasks, stop service
-            stopForeground(true);
-            stopSelf();
-        } else {
-            // Pick another notification as our foreground notification
-            n = notifications.get(0);
-            startForeground(n.hashCode(), n.getNotification());
-        }
-    }
-
-    private void dlProcessInstall(Repo repo, boolean install) {
-        File output = new File(Const.EXTERNAL_PATH, repo.getDownloadFilename());
-        ProgressNotification progress = new ProgressNotification(output.getName());
-        addNotification(progress);
-        try {
-            InputStream in = Networking.get(repo.getZipUrl())
-                    .setDownloadProgressListener(progress)
-                    .execForInputStream().getResult();
-            OutputStream out = new BufferedOutputStream(new FileOutputStream(output));
-            processZip(in, out);
-            Intent intent = new Intent(this, ClassMap.get(FlashActivity.class));
-            intent.setData(Uri.fromFile(output))
-                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                    .putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP);
-            synchronized (getApplication()) {
-                if (install && App.foreground() != null &&
-                        !(App.foreground() instanceof FlashActivity)) {
-                    /* Only start flashing if there is a foreground activity and the
-                     * user is not also flashing another module at the same time */
-                    App.foreground().startActivity(intent);
-                } else {
-                    /* Or else we preset a notification notifying that we are done */
-                    PendingIntent pi = PendingIntent.getActivity(this, progress.hashCode(), intent,
-                            PendingIntent.FLAG_UPDATE_CURRENT);
-                    progress.dlDone(pi);
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-            progress.dlFail();
-        }
-        removeNotification(progress);
-    }
-
-    private void processZip(InputStream in, OutputStream out)
-            throws IOException {
-        try (ZipInputStream zin = new ZipInputStream(in);
-             ZipOutputStream zout = new ZipOutputStream(out)) {
-
-            // Inject latest module-installer.sh as update-binary
-            zout.putNextEntry(new ZipEntry("META-INF/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/"));
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/update-binary"));
-            try (InputStream update_bin = Networking.get(Const.Url.MODULE_INSTALLER)
-                    .execForInputStream().getResult()) {
-                ShellUtils.pump(update_bin, zout);
-            }
-            zout.putNextEntry(new ZipEntry("META-INF/com/google/android/updater-script"));
-            zout.write("#MAGISK\n".getBytes("UTF-8"));
-
-            int off = -1;
-            ZipEntry entry;
-            while ((entry = zin.getNextEntry()) != null) {
-                if (off < 0)
-                    off = entry.getName().indexOf('/') + 1;
-                String path = entry.getName().substring(off);
-                if (path.isEmpty())
-                    continue;
-                if (path.startsWith("META-INF"))
-                    continue;
-                zout.putNextEntry(new ZipEntry(path));
-                if (!entry.isDirectory())
-                    ShellUtils.pump(zin, zout);
-            }
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/download/DownloadService.kt

@@ -0,0 +1,154 @@
+package com.topjohnwu.magisk.model.download
+
+import android.annotation.SuppressLint
+import android.app.Notification
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.webkit.MimeTypeMap
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.extensions.chooser
+import com.topjohnwu.magisk.extensions.exists
+import com.topjohnwu.magisk.extensions.provide
+import com.topjohnwu.magisk.intent
+import com.topjohnwu.magisk.model.entity.internal.Configuration.*
+import com.topjohnwu.magisk.model.entity.internal.Configuration.Flash.Secondary
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
+import com.topjohnwu.magisk.ui.flash.FlashActivity
+import com.topjohnwu.magisk.utils.APKInstall
+import org.koin.core.get
+import java.io.File
+import kotlin.random.Random.Default.nextInt
+
+/* More of a facade for [RemoteFileService], but whatever... */
+@SuppressLint("Registered")
+open class DownloadService : RemoteFileService() {
+
+    private val context get() = this
+    private val File.type
+        get() = MimeTypeMap.getSingleton()
+            .getMimeTypeFromExtension(extension)
+            ?: "resource/folder"
+
+    override fun onFinished(subject: DownloadSubject, id: Int) = when (subject) {
+        is Magisk -> onFinishedInternal(subject, id)
+        is Module -> onFinishedInternal(subject, id)
+        is Manager -> onFinishedInternal(subject, id)
+    }
+
+    private fun onFinishedInternal(
+        subject: Magisk,
+        id: Int
+    ) = when (val conf = subject.configuration) {
+        Uninstall -> FlashActivity.uninstall(this, subject.file, id)
+        is Patch -> FlashActivity.patch(this, subject.file, conf.fileUri, id)
+        is Flash -> FlashActivity.flash(this, subject.file, conf is Secondary, id)
+        else -> Unit
+    }
+
+    private fun onFinishedInternal(
+        subject: Module,
+        id: Int
+    ) = when (subject.configuration) {
+        is Flash -> FlashActivity.install(this, subject.file, id)
+        else -> Unit
+    }
+
+    private fun onFinishedInternal(
+        subject: Manager,
+        id: Int
+    ) {
+        remove(id)
+        when (subject.configuration)  {
+            is APK.Upgrade -> APKInstall.install(this, subject.file)
+            is APK.Restore -> Unit
+        }
+    }
+
+    // ---
+
+    override fun Notification.Builder.addActions(subject: DownloadSubject)
+    = when (subject) {
+        is Magisk -> addActionsInternal(subject)
+        is Module -> addActionsInternal(subject)
+        is Manager -> addActionsInternal(subject)
+    }
+
+    private fun Notification.Builder.addActionsInternal(subject: Magisk)
+    = when (val conf = subject.configuration) {
+        Download -> this.apply {
+            fileIntent(subject.file.parentFile!!)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_parent, it.chooser()) }
+            fileIntent(subject.file)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_self, it.chooser()) }
+        }
+        Uninstall -> setContentIntent(FlashActivity.uninstallIntent(context, subject.file))
+        is Flash -> setContentIntent(FlashActivity.flashIntent(context, subject.file, conf is Secondary))
+        is Patch -> setContentIntent(FlashActivity.patchIntent(context, subject.file, conf.fileUri))
+        else -> this
+    }
+
+    private fun Notification.Builder.addActionsInternal(subject: Module)
+    = when (subject.configuration) {
+        Download -> this.apply {
+            fileIntent(subject.file.parentFile!!)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_parent, it.chooser()) }
+            fileIntent(subject.file)
+                .takeIf { it.exists(get()) }
+                ?.let { addAction(0, R.string.download_open_self, it.chooser()) }
+        }
+        is Flash -> setContentIntent(FlashActivity.installIntent(context, subject.file))
+        else -> this
+    }
+
+    private fun Notification.Builder.addActionsInternal(subject: Manager)
+    = when (subject.configuration) {
+        APK.Upgrade -> setContentIntent(APKInstall.installIntent(context, subject.file))
+        else -> this
+    }
+
+    @Suppress("ReplaceSingleLineLet")
+    private fun Notification.Builder.setContentIntent(intent: Intent) =
+        PendingIntent.getActivity(context, nextInt(), intent, PendingIntent.FLAG_ONE_SHOT)
+            .let { setContentIntent(it) }
+
+    @Suppress("ReplaceSingleLineLet")
+    private fun Notification.Builder.addAction(icon: Int, title: Int, intent: Intent) =
+        PendingIntent.getActivity(context, nextInt(), intent, PendingIntent.FLAG_ONE_SHOT)
+            .let { addAction(icon, getString(title), it) }
+
+    // ---
+
+    private fun fileIntent(file: File): Intent {
+        return Intent(Intent.ACTION_VIEW)
+            .setDataAndType(file.provide(this), file.type)
+            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+    }
+
+    class Builder {
+        lateinit var subject: DownloadSubject
+    }
+
+    companion object {
+
+        inline operator fun invoke(context: Context, argBuilder: Builder.() -> Unit) {
+            val app = context.applicationContext
+            val builder = Builder().apply(argBuilder)
+            val intent = app.intent<DownloadService>().putExtra(ARG_URL, builder.subject)
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                app.startForegroundService(intent)
+            } else {
+                app.startService(intent)
+            }
+        }
+
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/download/ManagerUpgrade.kt

@@ -0,0 +1,65 @@
+package com.topjohnwu.magisk.model.download
+
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.extensions.writeTo
+import com.topjohnwu.magisk.model.entity.internal.Configuration.APK.Restore
+import com.topjohnwu.magisk.model.entity.internal.Configuration.APK.Upgrade
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.utils.PatchAPK
+import com.topjohnwu.superuser.Shell
+import java.io.File
+
+private fun RemoteFileService.patch(apk: File, id: Int) {
+    if (packageName == BuildConfig.APPLICATION_ID)
+        return
+
+    update(id) { notification ->
+        notification.setProgress(0, 0, true)
+            .setProgress(0, 0, true)
+            .setContentTitle(getString(R.string.hide_manager_title))
+            .setContentText("")
+    }
+    val patched = File(apk.parent, "patched.apk")
+    PatchAPK.patch(apk, patched, packageName, applicationInfo.nonLocalizedLabel.toString())
+    apk.delete()
+    patched.renameTo(apk)
+}
+
+private fun RemoteFileService.upgrade(apk: File, id: Int) {
+    if (isRunningAsStub) {
+        // Move to upgrade location
+        apk.copyTo(DynAPK.update(this), overwrite = true)
+        apk.delete()
+        if (Info.stub!!.version < Info.remote.stub.versionCode) {
+            // We also want to upgrade stub
+            service.fetchFile(Info.remote.stub.link).blockingGet().byteStream().use {
+                it.writeTo(apk)
+            }
+            patch(apk, id)
+        } else {
+            // Simply relaunch the app
+            ProcessPhoenix.triggerRebirth(this, intent<ProcessPhoenix>())
+        }
+    } else {
+        patch(apk, id)
+    }
+}
+
+private fun RemoteFileService.restore(apk: File, id: Int) {
+    update(id) { notification ->
+        notification.setProgress(0, 0, true)
+                .setProgress(0, 0, true)
+                .setContentTitle(getString(R.string.restore_img_msg))
+                .setContentText("")
+    }
+    Config.export()
+    // Make it world readable
+    apk.setReadable(true, false)
+    Shell.su("pm install $apk && pm uninstall $packageName").exec()
+}
+
+fun RemoteFileService.handleAPK(subject: DownloadSubject.Manager)
+    = when (subject.configuration) {
+        is Upgrade -> upgrade(subject.file, subject.hashCode())
+        is Restore -> restore(subject.file, subject.hashCode())
+    }

app/src/main/java/com/topjohnwu/magisk/model/download/ModuleProcessor.kt

@@ -0,0 +1,44 @@
+package com.topjohnwu.magisk.model.download
+
+import com.topjohnwu.magisk.extensions.withStreams
+import java.io.File
+import java.io.InputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipInputStream
+import java.util.zip.ZipOutputStream
+
+fun InputStream.toModule(file: File, installer: InputStream) {
+
+    val input = ZipInputStream(buffered())
+    val output = ZipOutputStream(file.outputStream().buffered())
+
+    withStreams(input, output) { zin, zout ->
+        zout.putNextEntry(ZipEntry("META-INF/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/"))
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/update-binary"))
+        installer.copyTo(zout)
+
+        zout.putNextEntry(ZipEntry("META-INF/com/google/android/updater-script"))
+        zout.write("#MAGISK\n".toByteArray(charset("UTF-8")))
+
+        var off = -1
+        var entry: ZipEntry? = zin.nextEntry
+        while (entry != null) {
+            if (off < 0) {
+                off = entry.name.indexOf('/') + 1
+            }
+
+            val path = entry.name.substring(off)
+            if (path.isNotEmpty() && !path.startsWith("META-INF")) {
+                zout.putNextEntry(ZipEntry(path))
+                if (!entry.isDirectory) {
+                    zin.copyTo(zout)
+                }
+            }
+
+            entry = zin.nextEntry
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/download/NotificationService.kt

@@ -0,0 +1,85 @@
+package com.topjohnwu.magisk.model.download
+
+import android.app.Notification
+import android.content.Intent
+import android.os.IBinder
+import com.topjohnwu.magisk.base.BaseService
+import com.topjohnwu.magisk.view.Notifications
+import org.koin.core.KoinComponent
+import java.util.*
+import kotlin.random.Random.Default.nextInt
+
+abstract class NotificationService : BaseService(), KoinComponent {
+
+    abstract val defaultNotification: Notification.Builder
+
+    private val hasNotifications get() = notifications.isNotEmpty()
+
+    private val notifications =
+        Collections.synchronizedMap(mutableMapOf<Int, Notification.Builder>())
+
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
+        notifications.forEach { cancel(it.key) }
+        notifications.clear()
+    }
+
+    // --
+
+    fun update(
+        id: Int,
+        body: (Notification.Builder) -> Unit = {}
+    ) {
+        val notification = notifications.getOrPut(id) { defaultNotification }
+
+        notify(id, notification.also(body).build())
+
+        if (notifications.size == 1) {
+            updateForeground()
+        }
+    }
+
+    protected fun finishNotify(
+        id: Int,
+        editBody: (Notification.Builder) -> Notification.Builder? = { null }
+    ) : Int {
+        val currentNotification = remove(id)?.run(editBody)
+
+        var newId = -1
+        currentNotification?.let {
+            newId = nextInt(Int.MAX_VALUE)
+            notify(newId, it.build())
+        }
+
+        if (!hasNotifications) {
+            stopSelf()
+        }
+        return newId
+    }
+
+    // ---
+
+    private fun notify(id: Int, notification: Notification) {
+        Notifications.mgr.notify(id, notification)
+    }
+
+    private fun cancel(id: Int) {
+        Notifications.mgr.cancel(id)
+    }
+
+    protected fun remove(id: Int) = notifications.remove(id).also {
+        cancel(id)
+        updateForeground()
+    }
+
+    private fun updateForeground() {
+        if (hasNotifications)
+            startForeground(notifications.keys.first(), notifications.values.first().build())
+        else
+            stopForeground(true)
+    }
+
+    // --
+
+    override fun onBind(p0: Intent?): IBinder? = null
+}

app/src/main/java/com/topjohnwu/magisk/model/download/RemoteFileService.kt

@@ -0,0 +1,118 @@
+package com.topjohnwu.magisk.model.download
+
+import android.app.Activity
+import android.app.Notification
+import android.content.Intent
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.network.GithubRawServices
+import com.topjohnwu.magisk.di.NullActivity
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.subscribeK
+import com.topjohnwu.magisk.extensions.writeTo
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
+import com.topjohnwu.magisk.model.entity.internal.DownloadSubject.*
+import com.topjohnwu.magisk.utils.ProgressInputStream
+import com.topjohnwu.magisk.view.Notifications
+import com.topjohnwu.superuser.ShellUtils
+import io.reactivex.Completable
+import okhttp3.ResponseBody
+import org.koin.android.ext.android.inject
+import timber.log.Timber
+import java.io.InputStream
+
+abstract class RemoteFileService : NotificationService() {
+
+    val service: GithubRawServices by inject()
+
+    override val defaultNotification
+        get() = Notifications.progress(this, "")
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        intent?.getParcelableExtra<DownloadSubject>(ARG_URL)?.let { start(it) }
+        return START_REDELIVER_INTENT
+    }
+
+    // ---
+
+    private fun start(subject: DownloadSubject) = checkExisting(subject)
+        .onErrorResumeNext { download(subject) }
+        .doOnSubscribe { update(subject.hashCode()) { it.setContentTitle(subject.title) } }
+        .subscribeK(onError = {
+            Timber.e(it)
+            finishNotify(subject.hashCode()) { notification ->
+                notification.setContentText(getString(R.string.download_file_error))
+                        .setSmallIcon(android.R.drawable.stat_notify_error)
+                        .setOngoing(false)
+            }
+        }) {
+            val newId = finishNotify(subject)
+            if (get<Activity>() !is NullActivity) {
+                onFinished(subject, newId)
+            }
+        }
+
+    private fun checkExisting(subject: DownloadSubject) = Completable.fromAction {
+        check(subject is Magisk) { "Download cache is disabled" }
+
+        subject.file.also {
+            check(it.exists() && ShellUtils.checkSum("MD5", it, subject.magisk.md5)) {
+                "The given file does not match checksum"
+            }
+        }
+    }
+
+    private fun download(subject: DownloadSubject) = service.fetchFile(subject.url)
+        .map { it.toStream(subject.hashCode()) }
+        .flatMapCompletable { stream ->
+            when (subject) {
+                is Module -> service.fetchInstaller()
+                        .doOnSuccess { stream.toModule(subject.file, it.byteStream()) }
+                        .ignoreElement()
+                else -> Completable.fromAction { stream.writeTo(subject.file) }
+            }
+        }.doOnComplete {
+            if (subject is Manager)
+                handleAPK(subject)
+        }
+
+    private fun ResponseBody.toStream(id: Int): InputStream {
+        val maxRaw = contentLength()
+        val max = maxRaw / 1_000_000f
+
+        return ProgressInputStream(byteStream()) {
+            val progress = it / 1_000_000f
+            update(id) { notification ->
+                if (maxRaw > 0) {
+                    notification
+                            .setProgress(maxRaw.toInt(), it.toInt(), false)
+                            .setContentText("%.2f / %.2f MB".format(progress, max))
+                } else {
+                    notification.setContentText("%.2f MB / ??".format(progress))
+                }
+            }
+        }
+    }
+
+    private fun finishNotify(subject: DownloadSubject) = finishNotify(subject.hashCode()) {
+        it.addActions(subject)
+            .setContentText(getString(R.string.download_complete))
+            .setSmallIcon(android.R.drawable.stat_sys_download_done)
+            .setProgress(0, 0, false)
+            .setOngoing(false)
+            .setAutoCancel(true)
+    }
+
+    // ---
+
+
+    @Throws(Throwable::class)
+    protected abstract fun onFinished(subject: DownloadSubject, id: Int)
+
+    protected abstract fun Notification.Builder.addActions(subject: DownloadSubject)
+            : Notification.Builder
+
+    companion object {
+        const val ARG_URL = "arg_url"
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/BaseModule.java

@@ -1,144 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import androidx.annotation.NonNull;
-
-import java.util.List;
-
-public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
-
-    private String mId, mName, mVersion, mAuthor, mDescription;
-    private int mVersionCode = -1;
-
-    protected BaseModule() {
-        mId = mName = mVersion = mAuthor = mDescription = "";
-    }
-
-    protected BaseModule(Cursor c) {
-        mId = nonNull(c.getString(c.getColumnIndex("id")));
-        mName = nonNull(c.getString(c.getColumnIndex("name")));
-        mVersion = nonNull(c.getString(c.getColumnIndex("version")));
-        mVersionCode = c.getInt(c.getColumnIndex("versionCode"));
-        mAuthor = nonNull(c.getString(c.getColumnIndex("author")));
-        mDescription = nonNull(c.getString(c.getColumnIndex("description")));
-    }
-
-    protected BaseModule(Parcel p) {
-        mId = p.readString();
-        mName = p.readString();
-        mVersion = p.readString();
-        mAuthor = p.readString();
-        mDescription = p.readString();
-        mVersionCode = p.readInt();
-    }
-
-    @Override
-    public int compareTo(@NonNull BaseModule module) {
-        return this.getName().toLowerCase().compareTo(module.getName().toLowerCase());
-    }
-
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeString(mId);
-        dest.writeString(mName);
-        dest.writeString(mVersion);
-        dest.writeString(mAuthor);
-        dest.writeString(mDescription);
-        dest.writeInt(mVersionCode);
-    }
-
-    private String nonNull(String s) {
-        return s == null ? "" : s;
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("id", mId);
-        values.put("name", mName);
-        values.put("version", mVersion);
-        values.put("versionCode", mVersionCode);
-        values.put("author", mAuthor);
-        values.put("description", mDescription);
-        return values;
-    }
-
-    protected void parseProps(List<String> props) { parseProps(props.toArray(new String[0])); }
-
-    protected void parseProps(String[] props) throws NumberFormatException {
-        for (String line : props) {
-            String[] prop = line.split("=", 2);
-            if (prop.length != 2)
-                continue;
-
-            String key = prop[0].trim();
-            String value = prop[1].trim();
-            if (key.isEmpty() || key.charAt(0) == '#')
-                continue;
-
-            switch (key) {
-                case "id":
-                    mId = value;
-                    break;
-                case "name":
-                    mName = value;
-                    break;
-                case "version":
-                    mVersion = value;
-                    break;
-                case "versionCode":
-                    mVersionCode = Integer.parseInt(value);
-                    break;
-                case "author":
-                    mAuthor = value;
-                    break;
-                case "description":
-                    mDescription = value;
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String name) {
-        mName = name;
-    }
-
-    public String getVersion() {
-        return mVersion;
-    }
-
-    public String getAuthor() {
-        return mAuthor;
-    }
-
-    public String getId() {
-        return mId;
-    }
-
-    public void setId(String id) {
-        mId = id;
-    }
-
-    public String getDescription() {
-        return mDescription;
-    }
-
-    public int getVersionCode() {
-        return mVersionCode;
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/HideAppInfo.kt

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.graphics.drawable.Drawable
+import com.topjohnwu.magisk.extensions.packageInfo
+import com.topjohnwu.magisk.extensions.processes
+
+class HideAppInfo(
+    val info: ApplicationInfo,
+    val name: String,
+    val icon: Drawable
+) {
+
+    val processes = info.packageInfo?.processes?.distinct() ?: listOf(info.packageName)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/HideTarget.kt

@@ -0,0 +1,10 @@
+package com.topjohnwu.magisk.model.entity
+
+class HideTarget(line: String) {
+
+    private val split = line.split(Regex("\\|"), 2)
+
+    val packageName = split[0]
+    val process = split.getOrElse(1) { packageName }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskLog.kt

@@ -0,0 +1,35 @@
+package com.topjohnwu.magisk.model.entity
+
+import androidx.room.Entity
+import androidx.room.Ignore
+import androidx.room.PrimaryKey
+import com.topjohnwu.magisk.extensions.now
+import com.topjohnwu.magisk.extensions.timeFormatTime
+import com.topjohnwu.magisk.extensions.toTime
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.ALLOW
+
+@Entity(tableName = "logs")
+data class MagiskLog(
+    val fromUid: Int,
+    val toUid: Int,
+    val fromPid: Int,
+    val packageName: String,
+    val appName: String,
+    val command: String,
+    val action: Boolean,
+    val time: Long = -1
+) {
+    @PrimaryKey(autoGenerate = true) var id: Int = 0
+    @Ignore val timeString = time.toTime(timeFormatTime)
+}
+
+data class WrappedMagiskLog(
+    val time: Long,
+    val items: List<MagiskLog>
+)
+
+fun MagiskPolicy.toLog(
+    toUid: Int,
+    fromPid: Int,
+    command: String
+) = MagiskLog(uid, toUid, fromPid, packageName, appName, command, policy == ALLOW, now)

app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskPolicy.kt

@@ -0,0 +1,70 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.extensions.getLabel
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.INTERACTIVE
+
+
+data class MagiskPolicy(
+    var uid: Int,
+    val packageName: String,
+    val appName: String,
+    var policy: Int = INTERACTIVE,
+    var until: Long = -1L,
+    val logging: Boolean = true,
+    val notification: Boolean = true,
+    val applicationInfo: ApplicationInfo
+) {
+
+    companion object {
+        const val INTERACTIVE = 0
+        const val DENY = 1
+        const val ALLOW = 2
+    }
+
+}
+
+fun MagiskPolicy.toMap() = mapOf(
+    "uid" to uid,
+    "package_name" to packageName,
+    "policy" to policy,
+    "until" to until,
+    "logging" to logging,
+    "notification" to notification
+)
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Map<String, String>.toPolicy(pm: PackageManager): MagiskPolicy {
+    val uid = get("uid")?.toIntOrNull() ?: -1
+    val packageName = get("package_name").orEmpty()
+    val info = pm.getApplicationInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES)
+
+    if (info.uid != uid)
+        throw PackageManager.NameNotFoundException()
+
+    return MagiskPolicy(
+        uid = uid,
+        packageName = packageName,
+        policy = get("policy")?.toIntOrNull() ?: INTERACTIVE,
+        until = get("until")?.toLongOrNull() ?: -1L,
+        logging = get("logging")?.toIntOrNull() != 0,
+        notification = get("notification")?.toIntOrNull() != 0,
+        applicationInfo = info,
+        appName = info.getLabel(pm)
+    )
+}
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Int.toPolicy(pm: PackageManager, policy: Int = INTERACTIVE): MagiskPolicy {
+    val pkg = pm.getPackagesForUid(this)?.firstOrNull()
+        ?: throw PackageManager.NameNotFoundException()
+    val info = pm.getApplicationInfo(pkg, PackageManager.GET_UNINSTALLED_PACKAGES)
+    return MagiskPolicy(
+        uid = info.uid,
+        packageName = pkg,
+        policy = policy,
+        applicationInfo = info,
+        appName = info.getLabel(pm)
+    )
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/Module.java

@@ -1,79 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.io.SuFile;
-
-public class Module extends BaseModule {
-
-    private SuFile mRemoveFile, mDisableFile, mUpdateFile;
-    private boolean mEnable, mRemove, mUpdated;
-
-    public Module(String path) {
-
-        try {
-            parseProps(Shell.su("dos2unix <  " + path + "/module.prop").exec().getOut());
-        } catch (NumberFormatException ignored) {}
-
-        mRemoveFile = new SuFile(path, "remove");
-        mDisableFile = new SuFile(path, "disable");
-        mUpdateFile = new SuFile(path, "update");
-
-        if (getId().isEmpty()) {
-            int sep = path.lastIndexOf('/');
-            setId(path.substring(sep + 1));
-        }
-
-        if (getName().isEmpty()) {
-            setName(getId());
-        }
-
-        mEnable = !mDisableFile.exists();
-        mRemove = mRemoveFile.exists();
-        mUpdated = mUpdateFile.exists();
-    }
-
-    public static final Parcelable.Creator<Module> CREATOR = new Creator<Module>() {
-        /* It won't be used at any place */
-        @Override
-        public Module createFromParcel(Parcel source) {
-            return null;
-        }
-
-        @Override
-        public Module[] newArray(int size) {
-            return null;
-        }
-    };
-
-    public void createDisableFile() {
-        mEnable = !mDisableFile.createNewFile();
-    }
-
-    public void removeDisableFile() {
-        mEnable = mDisableFile.delete();
-    }
-
-    public boolean isEnabled() {
-        return mEnable;
-    }
-
-    public void createRemoveFile() {
-        mRemove = mRemoveFile.createNewFile();
-    }
-
-    public void deleteRemoveFile() {
-        mRemove = !mRemoveFile.delete();
-    }
-
-    public boolean willBeRemoved() {
-        return mRemove;
-    }
-
-    public boolean isUpdated() {
-        return mUpdated;
-    }
-
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/Policy.java

@@ -1,61 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-
-import androidx.annotation.NonNull;
-
-import com.topjohnwu.magisk.utils.Utils;
-
-
-public class Policy implements Comparable<Policy>{
-    public static final int INTERACTIVE = 0;
-    public static final int DENY = 1;
-    public static final int ALLOW = 2;
-
-    public int uid, policy = INTERACTIVE;
-    public long until;
-    public boolean logging = true, notification = true;
-    public String packageName, appName;
-    public ApplicationInfo info;
-
-    public Policy(int uid, PackageManager pm) throws PackageManager.NameNotFoundException {
-        String[] pkgs = pm.getPackagesForUid(uid);
-        if (pkgs == null || pkgs.length == 0)
-            throw new PackageManager.NameNotFoundException();
-        this.uid = uid;
-        packageName = pkgs[0];
-        info = pm.getApplicationInfo(packageName, 0);
-        appName = Utils.getAppLabel(info, pm);
-    }
-
-    public Policy(ContentValues values, PackageManager pm) throws PackageManager.NameNotFoundException {
-        uid = values.getAsInteger("uid");
-        packageName = values.getAsString("package_name");
-        policy = values.getAsInteger("policy");
-        until = values.getAsInteger("until");
-        logging = values.getAsInteger("logging") != 0;
-        notification = values.getAsInteger("notification") != 0;
-        info = pm.getApplicationInfo(packageName, 0);
-        if (info.uid != uid)
-            throw new PackageManager.NameNotFoundException();
-        appName = info.loadLabel(pm).toString();
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("uid", uid);
-        values.put("package_name", packageName);
-        values.put("policy", policy);
-        values.put("until", until);
-        values.put("logging", logging ? 1 : 0);
-        values.put("notification", notification ? 1 : 0);
-        return values;
-    }
-
-    @Override
-    public int compareTo(@NonNull Policy policy) {
-        return appName.toLowerCase().compareTo(policy.appName.toLowerCase());
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/Repo.java

@@ -1,109 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-import android.database.Cursor;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.utils.Utils;
-
-import java.text.DateFormat;
-import java.util.Date;
-
-public class Repo extends BaseModule {
-
-    private Date mLastUpdate;
-
-    public Repo(String id) {
-        setId(id);
-    }
-
-    public Repo(Cursor c) {
-        super(c);
-        mLastUpdate = new Date(c.getLong(c.getColumnIndex("last_update")));
-    }
-
-    public Repo(Parcel p) {
-        super(p);
-        mLastUpdate = new Date(p.readLong());
-    }
-
-    public static final Parcelable.Creator<Repo> CREATOR = new Parcelable.Creator<Repo>() {
-
-        @Override
-        public Repo createFromParcel(Parcel source) {
-            return new Repo(source);
-        }
-
-        @Override
-        public Repo[] newArray(int size) {
-            return new Repo[size];
-        }
-    };
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        super.writeToParcel(dest, flags);
-        dest.writeLong(mLastUpdate.getTime());
-    }
-
-    public void update() throws IllegalRepoException {
-        String props[] = Utils.dlString(getPropUrl()).split("\\n");
-        try {
-            parseProps(props);
-        } catch (NumberFormatException e) {
-            throw new IllegalRepoException("Repo [" + getId() + "] parse error: " + e.getMessage());
-        }
-
-        if (getVersionCode() < 0) {
-            throw new IllegalRepoException("Repo [" + getId() + "] does not contain versionCode");
-        }
-    }
-
-    public void update(Date lastUpdate) throws IllegalRepoException {
-        mLastUpdate = lastUpdate;
-        update();
-    }
-
-    @Override
-    public ContentValues getContentValues() {
-        ContentValues values = super.getContentValues();
-        values.put("last_update", mLastUpdate.getTime());
-        return values;
-    }
-
-    public String getZipUrl() {
-        return String.format(Const.Url.ZIP_URL, getId());
-    }
-
-    public String getPropUrl() {
-        return getFileUrl("module.prop");
-    }
-
-    public String getDetailUrl() {
-        return getFileUrl("README.md");
-    }
-
-    public String getFileUrl(String file) {
-        return String.format(Const.Url.FILE_URL, getId(), file);
-    }
-
-    public String getLastUpdateString() {
-        return DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM).format(mLastUpdate);
-    }
-
-    public Date getLastUpdate() {
-        return mLastUpdate;
-    }
-
-    public String getDownloadFilename() {
-        return Utils.getLegalFilename(getName() + "-" + getVersion() + ".zip");
-    }
-
-    public class IllegalRepoException extends Exception {
-        IllegalRepoException(String message) {
-            super(message);
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/SuLogEntry.java

@@ -1,56 +0,0 @@
-package com.topjohnwu.magisk.model.entity;
-
-import android.content.ContentValues;
-
-import com.topjohnwu.magisk.utils.LocaleManager;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
-public class SuLogEntry {
-
-    public int fromUid, toUid, fromPid;
-    public String packageName, appName, command;
-    public boolean action;
-    public Date date;
-
-    public SuLogEntry(Policy policy) {
-        fromUid = policy.uid;
-        packageName = policy.packageName;
-        appName = policy.appName;
-        action = policy.policy == Policy.ALLOW;
-    }
-
-    public SuLogEntry(ContentValues values) {
-        fromUid = values.getAsInteger("from_uid");
-        packageName = values.getAsString("package_name");
-        appName = values.getAsString("app_name");
-        fromPid = values.getAsInteger("from_pid");
-        command = values.getAsString("command");
-        toUid = values.getAsInteger("to_uid");
-        action = values.getAsInteger("action") != 0;
-        date = new Date(values.getAsLong("time"));
-    }
-
-    public ContentValues getContentValues() {
-        ContentValues values = new ContentValues();
-        values.put("from_uid", fromUid);
-        values.put("package_name", packageName);
-        values.put("app_name", appName);
-        values.put("from_pid", fromPid);
-        values.put("command", command);
-        values.put("to_uid", toUid);
-        values.put("action", action ? 1 : 0);
-        values.put("time", date.getTime());
-        return values;
-    }
-
-    public String getDateString() {
-        return DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale).format(date);
-    }
-
-    public String getTimeString() {
-        return new SimpleDateFormat("h:mm a", LocaleManager.locale).format(date);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/entity/UpdateInfo.kt

@@ -0,0 +1,42 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+import se.ansman.kotshi.JsonSerializable
+
+@JsonSerializable
+data class UpdateInfo(
+    val app: ManagerJson = ManagerJson(),
+    val uninstaller: UninstallerJson = UninstallerJson(),
+    val magisk: MagiskJson = MagiskJson(),
+    val stub: StubJson = StubJson()
+)
+
+@JsonSerializable
+data class UninstallerJson(
+    val link: String = ""
+)
+
+@JsonSerializable
+data class MagiskJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = "",
+    val md5: String = ""
+)
+
+@Parcelize
+@JsonSerializable
+data class ManagerJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = ""
+) : Parcelable
+
+@JsonSerializable
+data class StubJson(
+    val versionCode: Int = -1,
+    val link: String = ""
+)

app/src/main/java/com/topjohnwu/magisk/model/entity/internal/Configuration.kt

@@ -0,0 +1,37 @@
+package com.topjohnwu.magisk.model.entity.internal
+
+import android.net.Uri
+import android.os.Parcelable
+import kotlinx.android.parcel.Parcelize
+
+sealed class Configuration : Parcelable {
+
+    sealed class Flash : Configuration() {
+
+        @Parcelize
+        object Primary : Flash()
+
+        @Parcelize
+        object Secondary : Flash()
+
+    }
+
+    sealed class APK : Configuration() {
+
+        @Parcelize
+        object Upgrade : APK()
+
+        @Parcelize
+        object Restore : APK()
+    }
+
+    @Parcelize
+    object Download : Configuration()
+
+    @Parcelize
+    object Uninstall : Configuration()
+
+    @Parcelize
+    data class Patch(val fileUri: Uri) : Configuration()
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/internal/DownloadSubject.kt

@@ -0,0 +1,106 @@
+package com.topjohnwu.magisk.model.entity.internal
+
+import android.content.Context
+import android.os.Parcelable
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.extensions.cachedFile
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.model.entity.MagiskJson
+import com.topjohnwu.magisk.model.entity.ManagerJson
+import com.topjohnwu.magisk.model.entity.module.Repo
+import kotlinx.android.parcel.IgnoredOnParcel
+import kotlinx.android.parcel.Parcelize
+import java.io.File
+
+sealed class DownloadSubject : Parcelable {
+
+    abstract val url: String
+    abstract val file: File
+    open val title: String get() = file.name
+
+    @Parcelize
+    data class Module(
+        val module: Repo,
+        val configuration: Configuration
+    ) : DownloadSubject() {
+        override val url: String get() = module.zipUrl
+
+        @IgnoredOnParcel
+        override val file by lazy {
+            File(Config.downloadDirectory, module.downloadFilename)
+        }
+    }
+
+    @Parcelize
+    data class Manager(
+        val configuration: Configuration.APK
+    ) : DownloadSubject() {
+
+        @IgnoredOnParcel
+        val manager: ManagerJson = Info.remote.app
+
+        override val title: String
+            get() = "MagiskManager-v${manager.version}(${manager.versionCode})"
+
+        override val url: String
+            get() = manager.link
+
+        @IgnoredOnParcel
+        override val file by lazy {
+            get<Context>().cachedFile("manager.apk")
+        }
+
+    }
+
+    sealed class Magisk : DownloadSubject() {
+
+        abstract val configuration: Configuration
+        val magisk: MagiskJson = Info.remote.magisk
+
+        @Parcelize
+        protected data class Flash(
+            override val configuration: Configuration
+        ) : Magisk() {
+            override val url: String get() = magisk.link
+            override val title: String get() = "Magisk-v${magisk.version}(${magisk.versionCode})"
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                get<Context>().cachedFile("magisk.zip")
+            }
+        }
+
+        @Parcelize
+        protected class Uninstall : Magisk() {
+            override val configuration: Configuration get() = Configuration.Uninstall
+            override val url: String get() = Info.remote.uninstaller.link
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                get<Context>().cachedFile("uninstall.zip")
+            }
+        }
+
+        @Parcelize
+        protected class Download : Magisk() {
+            override val configuration: Configuration get() = Configuration.Download
+            override val url: String get() = magisk.link
+
+            @IgnoredOnParcel
+            override val file by lazy {
+                File(Config.downloadDirectory, "Magisk-v${magisk.version}(${magisk.versionCode}).zip")
+            }
+        }
+
+        companion object {
+            operator fun invoke(configuration: Configuration) = when (configuration) {
+                Configuration.Download -> Download()
+                Configuration.Uninstall -> Uninstall()
+                else -> Flash(configuration)
+            }
+        }
+
+    }
+
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/BaseModule.kt

@@ -0,0 +1,41 @@
+package com.topjohnwu.magisk.model.entity.module
+
+abstract class BaseModule : Comparable<BaseModule> {
+    abstract var id: String
+        protected set
+    abstract var name: String
+        protected set
+    abstract var author: String
+        protected set
+    abstract var version: String
+        protected set
+    abstract var versionCode: Int
+        protected set
+    abstract var description: String
+        protected set
+
+    @Throws(NumberFormatException::class)
+    protected fun parseProps(props: List<String>) {
+        for (line in props) {
+            val prop = line.split("=".toRegex(), 2).map { it.trim() }
+            if (prop.size != 2)
+                continue
+
+            val key = prop[0]
+            val value = prop[1]
+            if (key.isEmpty() || key[0] == '#')
+                continue
+
+            when (key) {
+                "id" -> id = value
+                "name" -> name = value
+                "version" -> version = value
+                "versionCode" -> versionCode = value.toInt()
+                "author" -> author = value
+                "description" -> description = value
+            }
+        }
+    }
+
+    override operator fun compareTo(other: BaseModule) = name.compareTo(other.name, true)
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/Module.kt

@@ -0,0 +1,79 @@
+package com.topjohnwu.magisk.model.entity.module
+
+import androidx.annotation.WorkerThread
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.io.SuFile
+
+class Module(path: String) : BaseModule() {
+    override var id: String = ""
+    override var name: String = ""
+    override var author: String = ""
+    override var version: String = ""
+    override var versionCode: Int = -1
+    override var description: String = ""
+
+    private val removeFile = SuFile(path, "remove")
+    private val disableFile = SuFile(path, "disable")
+    private val updateFile = SuFile(path, "update")
+    private val ruleFile = SuFile(path, "sepolicy.rule")
+
+    val updated: Boolean = updateFile.exists()
+
+    var enable: Boolean = !disableFile.exists()
+        set(enable) {
+            val dir = "$PERSIST/$id"
+            field = if (enable) {
+                Shell.su("mkdir -p $dir", "cp -af $ruleFile $dir").submit()
+                disableFile.delete()
+            } else {
+                Shell.su("rm -rf $dir").submit()
+                !disableFile.createNewFile()
+            }
+        }
+
+    var remove: Boolean = removeFile.exists()
+        set(remove) {
+            field = if (remove) {
+                Shell.su("rm -rf $PERSIST/$id").submit()
+                removeFile.createNewFile()
+            } else {
+                Shell.su("cp -af $ruleFile $PERSIST/$id").submit()
+                !removeFile.delete()
+            }
+        }
+
+    init {
+        runCatching {
+            parseProps(Shell.su("dos2unix < $path/module.prop").exec().out)
+        }
+
+        if (id.isEmpty()) {
+            val sep = path.lastIndexOf('/')
+            id = path.substring(sep + 1)
+        }
+
+        if (name.isEmpty()) {
+            name = id
+        }
+    }
+
+    companion object {
+
+        private const val PERSIST = "/sbin/.magisk/mirror/persist/magisk"
+
+        @WorkerThread
+        fun loadModules(): List<Module> {
+            val moduleList = mutableListOf<Module>()
+            val path = SuFile(Const.MAGISK_PATH)
+            val modules =
+                    path.listFiles { _, name -> name != "lost+found" && name != ".core" }.orEmpty()
+            for (file in modules) {
+                if (file.isFile) continue
+                val module = Module(Const.MAGISK_PATH + "/" + file.name)
+                moduleList.add(module)
+            }
+            return moduleList.sortedBy { it.name.toLowerCase() }
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/entity/module/Repo.kt

@@ -0,0 +1,71 @@
+package com.topjohnwu.magisk.model.entity.module
+
+import android.os.Parcelable
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.repository.StringRepository
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.extensions.legalFilename
+import kotlinx.android.parcel.Parcelize
+import java.text.DateFormat
+import java.util.*
+
+@Entity(tableName = "repos")
+@Parcelize
+data class Repo(
+    @PrimaryKey override var id: String,
+    override var name: String,
+    override var author: String,
+    override var version: String,
+    override var versionCode: Int,
+    override var description: String,
+    var last_update: Long
+) : BaseModule(), Parcelable {
+
+    private val stringRepo: StringRepository get() = get()
+
+    val lastUpdate get() = Date(last_update)
+
+    val lastUpdateString: String get() = dateFormat.format(lastUpdate)
+
+    val downloadFilename: String get() = "$name-$version($versionCode).zip".legalFilename()
+
+    val readme get() = stringRepo.getReadme(this)
+
+    val zipUrl: String get() = Const.Url.ZIP_URL.format(id)
+
+    constructor(id: String) : this(id, "", "", "", -1, "", 0)
+
+    @Throws(IllegalRepoException::class)
+    fun update() {
+        val props = runCatching {
+            stringRepo.getMetadata(this).blockingGet()
+                    .orEmpty().split("\\n".toRegex()).dropLastWhile { it.isEmpty() }
+        }.getOrElse {
+            throw IllegalRepoException("Repo [$id] module.prop download error: " + it.message)
+        }
+
+        props.runCatching {
+            parseProps(this)
+        }.onFailure {
+            throw IllegalRepoException("Repo [$id] parse error: " + it.message)
+        }
+
+        if (versionCode < 0) {
+            throw IllegalRepoException("Repo [$id] does not contain versionCode")
+        }
+    }
+
+    @Throws(IllegalRepoException::class)
+    fun update(lastUpdate: Date) {
+        last_update = lastUpdate.time
+        update()
+    }
+
+    class IllegalRepoException(message: String) : Exception(message)
+
+    companion object {
+        val dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM)!!
+    }
+}