Update v7.3.1 changelog

The policy (app) is now deleted when found invalid (uninstalled)

app/build.gradle

@@ -19,16 +19,14 @@ android {
         multiDexEnabled true
         versionName configProps['appVersion']
         versionCode configProps['appVersionCode'] as Integer
-        javaCompileOptions {
-            annotationProcessorOptions {
-                argument('butterknife.debuggable', 'false')
-            }
-        }
     }
 
     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'
         }
     }
 
@@ -45,6 +43,14 @@ android {
         exclude '/kotlin/**'
         exclude '/kotlinx/**'
     }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+androidExtensions {
+    experimental = true
 }
 
 dependencies {
@@ -58,26 +64,51 @@ dependencies {
     implementation 'com.github.skoumalcz:teanity:0.3.3'
     implementation 'com.ncapdevi:frag-nav:3.2.0'
 
-    def markwonVersion = '3.0.1'
-    implementation "ru.noties.markwon:core:${markwonVersion}"
-    implementation "ru.noties.markwon:html:${markwonVersion}"
-    implementation "ru.noties.markwon:image-svg:${markwonVersion}"
+    def vMarkwon = '3.0.1'
+    implementation "ru.noties.markwon:core:${vMarkwon}"
+    implementation "ru.noties.markwon:html:${vMarkwon}"
+    implementation "ru.noties.markwon:image-svg:${vMarkwon}"
 
-    def libsuVersion = '2.5.0'
-    implementation "com.github.topjohnwu.libsu:core:${libsuVersion}"
-    implementation "com.github.topjohnwu.libsu:io:${libsuVersion}"
+    def vLibsu = '2.5.0'
+    implementation "com.github.topjohnwu.libsu:core:${vLibsu}"
+    implementation "com.github.topjohnwu.libsu:io:${vLibsu}"
 
-    def koin = "2.0.0-rc-2"
-    implementation "org.koin:koin-core:${koin}"
-    implementation "org.koin:koin-android:${koin}"
-    implementation "org.koin:koin-androidx-viewmodel:${koin}"
+    def vKoin = "2.0.1"
+    implementation "org.koin:koin-core:${vKoin}"
+    implementation "org.koin:koin-android:${vKoin}"
+    implementation "org.koin:koin-androidx-viewmodel:${vKoin}"
+
+    def vRetrofit = "2.6.0"
+    implementation "com.squareup.retrofit2:retrofit:${vRetrofit}"
+    implementation "com.squareup.retrofit2:converter-moshi:${vRetrofit}"
+    implementation "com.squareup.retrofit2:adapter-rxjava2:${vRetrofit}"
+
+    def vOkHttp = "3.12.3"
+    implementation "com.squareup.okhttp3:okhttp:${vOkHttp}"
+    implementation "com.squareup.okhttp3:logging-interceptor:${vOkHttp}"
+
+    def vMoshi = "1.8.0"
+    implementation "com.squareup.moshi:moshi:${vMoshi}"
+
+    def vKotshi = "2.0.1"
+    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 = "2.1.0"
+    implementation "com.github.topjohnwu:room-runtime:${vRoom}"
 
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.browser:browser:1.0.0'
     implementation 'androidx.preference:preference:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha05'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0-alpha06'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'com.google.android.material:material:1.1.0-alpha06'
     implementation 'androidx.work:work-runtime:2.0.1'
     implementation 'androidx.transition:transition:1.2.0-alpha01'
     implementation 'androidx.multidex:multidex:2.0.1'
+    implementation 'com.google.android.material:material:1.1.0-alpha07'
 }

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

@@ -35,6 +35,7 @@
 -keepclassmembers class com.topjohnwu.signing.BootSigner { *; }
 
 # Strip logging
+-assumenosideeffects class timber.log.Timber.Tree { *; }
 -assumenosideeffects class com.topjohnwu.magisk.utils.Logger {
   public *** debug(...);
 }

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

@@ -4,22 +4,21 @@ import android.annotation.SuppressLint
 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 androidx.appcompat.app.AppCompatDelegate
 import androidx.multidex.MultiDex
-import com.topjohnwu.magisk.data.database.MagiskDB
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import androidx.room.Room
+import androidx.work.impl.WorkDatabase
+import androidx.work.impl.WorkDatabase_Impl
 import com.topjohnwu.magisk.di.koinModules
 import com.topjohnwu.magisk.utils.LocaleManager
 import com.topjohnwu.magisk.utils.RootUtils
 import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
-import org.koin.android.ext.android.inject
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
 import timber.log.Timber
@@ -29,13 +28,6 @@ open class App : Application(), Application.ActivityLifecycleCallbacks {
 
     lateinit var protectedContext: Context
 
-    @Deprecated("Use dependency injection")
-    val prefs: SharedPreferences by inject()
-    @Deprecated("Use dependency injection")
-    val DB: MagiskDB by inject()
-    @Deprecated("Use dependency injection")
-    val repoDB: RepoDatabaseHelper by inject()
-
     @Volatile
     private var foreground: Activity? = null
 
@@ -118,6 +110,12 @@ open class App : Application(), Application.ActivityLifecycleCallbacks {
             Shell.Config.addInitializers(RootUtils::class.java)
             Shell.Config.setTimeout(2)
             THREAD_POOL = AsyncTask.THREAD_POOL_EXECUTOR as ThreadPoolExecutor
+            Room.setFactory {
+                when (it) {
+                    WorkDatabase::class.java -> WorkDatabase_Impl()
+                    else -> null
+                }
+            }
         }
 
         @Deprecated("")

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/ClassMap.kt

@@ -0,0 +1,27 @@
+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
+
+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,
+        DownloadModuleService::class.java to a.j::class.java,
+        SuRequestActivity::class.java to a.m::class.java
+    )
+
+    @JvmStatic
+    operator fun <T : Class<*>>get(c: Class<*>): T {
+        return map.getOrElse(c) { throw IllegalArgumentException() } as T
+    }
+}

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 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;
-
-import androidx.collection.ArrayMap;
-
-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.getPrefs().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.getPrefs();
-        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.getPrefs().getInt(key, getDef(key));
-            case PREF_STR_INT:
-                return (T) (Integer) Utils.getPrefsInt(app.getPrefs(), key, getDef(key));
-            case PREF_BOOL:
-                return (T) (Boolean) app.getPrefs().getBoolean(key, getDef(key));
-            case PREF_STR:
-                return (T) app.getPrefs().getString(key, getDef(key));
-            case DB_INT:
-                return (T) (Integer) app.getDB().getSettings(key, getDef(key));
-            case DB_BOOL:
-                return (T) (Boolean) (app.getDB().getSettings(key, getDef(key) ? 1 : 0) != 0);
-            case DB_STR:
-                return (T) app.getDB().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.getPrefs().edit().putInt(key, (int) val).apply();
-                break;
-            case PREF_STR_INT:
-                app.getPrefs().edit().putString(key, String.valueOf(val)).apply();
-                break;
-            case PREF_BOOL:
-                app.getPrefs().edit().putBoolean(key, (boolean) val).apply();
-                break;
-            case PREF_STR:
-                app.getPrefs().edit().putString(key, (String) val).apply();
-                break;
-            case DB_INT:
-                app.getDB().setSettings(key, (int) val);
-                break;
-            case DB_BOOL:
-                app.getDB().setSettings(key, (boolean) val ? 1 : 0);
-                break;
-            case DB_STR:
-                app.getDB().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.getPrefs().edit().remove(key).apply();
-                break;
-            case DB_BOOL:
-            case DB_INT:
-                app.getDB().rmSettings(key);
-                break;
-            case DB_STR:
-                app.getDB().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.getDB().getSettings(key, (Integer) defs.get(key))));
-                    continue;
-                case DB_STR:
-                    editor.putString(key, app.getDB().getStrings(key, (String) defs.get(key)));
-                    continue;
-                case DB_BOOL:
-                    int bs = app.getDB().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 +1,196 @@
+package com.topjohnwu.magisk
+
+import android.content.Context
+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.model.preference.PreferenceModel
+import com.topjohnwu.magisk.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_MANAGER = "requester"
+        const val SU_FINGERPRINT = "su_fingerprint"
+
+        // 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 ETAG_KEY = "ETag"
+        const val REPO_ORDER = "repo_order"
+        const val SHOW_SYSTEM_APP = "show_system"
+
+        // 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) Value.CANARY_DEBUG_CHANNEL
+            else Value.DEFAULT_CHANNEL
+
+    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)
+    @JvmStatic
+    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, "")
+    @JvmStatic
+    var etagKey by preference(Key.ETAG_KEY, "")
+
+    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 suFingerprint by dbSettings(Key.SU_FINGERPRINT, false)
+    @JvmStatic
+    var suManager by dbStrings(Key.SU_MANAGER, "")
+
+    fun initialize() = prefs.edit {
+        val config = SuFile.open("/data/adb", Const.MANAGER_CONFIGS)
+        if (config.exists()) runCatching {
+            val input = SuFileInputStream(config).buffered()
+            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")
+                val value: String = 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()
+        }
+        remove(Key.ETAG_KEY)
+        if (!prefs.contains(Key.UPDATE_CHANNEL))
+            putString(Key.UPDATE_CHANNEL, defaultChannel.toString())
+
+        // 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_FINGERPRINT, FingerprintHelper.useFingerprint())
+    }
+
+    @JvmStatic
+    fun export() {
+        // Flush prefs to disk
+        prefs.edit().apply()
+        val xml = File("${get<Context>(Protected).filesDir.parent}/shared_prefs",
+                "${packageName}_preferences.xml")
+        Shell.su("cat $xml > /data/adb/${Const.MANAGER_CONFIGS}").exec()
+    }
+
+}

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

@@ -1,102 +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;
-
-    // Generic
-    public static final String MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log";
-
-    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 +1,98 @@
+package com.topjohnwu.magisk
+
+import android.os.Environment
+import android.os.Process
+
+import java.io.File
+
+object Const {
+
+    const val DEBUG_TAG = "MagiskManager"
+
+    // Paths
+    const val MAGISK_PATH = "/sbin/.magisk/img"
+    @JvmField
+    val EXTERNAL_PATH = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)!!
+    @JvmField
+    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 = 12
+    const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
+    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
+
+    // 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"
+    @JvmField
+    val USER_ID = Process.myUid() / 100000
+
+    init {
+        EXTERNAL_PATH.mkdirs()
+    }
+
+    object MagiskVersion {
+        const val MIN_SUPPORT = 18000
+    }
+
+    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 {
+        @Deprecated("This shouldn't be used. There's literally no need for it")
+        const val REPO_URL =
+            "https://api.github.com/users/Magisk-Modules-Repo/repos?per_page=100&sort=pushed&page=%d"
+        const val FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s"
+        const val ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip"
+        const val MODULE_INSTALLER =
+            "https://raw.githubusercontent.com/topjohnwu/Magisk/master/scripts/module_installer.sh"
+        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"
+        @JvmField
+        val BOOTCTL_URL = getRaw("9c5dfc1b8245c0b5b524901ef0ff0f8335757b77", "bootctl")
+        const val GITHUB_RAW_API_URL = "https://raw.githubusercontent.com/"
+
+        private fun getRaw(where: String, name: String) =
+            "${GITHUB_RAW_API_URL}topjohnwu/magisk_files/$where/$name"
+    }
+
+    object Key {
+        // others
+        const val LINK_KEY = "Link"
+        const val IF_NONE_MATCH = "If-None-Match"
+        // intents
+        const val OPEN_SECTION = "section"
+        const val INTENT_SET_NAME = "filename"
+        const val INTENT_SET_LINK = "link"
+        const val FLASH_ACTION = "action"
+        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/Info.java

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk;
+
+import androidx.annotation.NonNull;
+
+import com.topjohnwu.magisk.model.entity.UpdateInfo;
+import com.topjohnwu.superuser.Shell;
+import com.topjohnwu.superuser.ShellUtils;
+
+public final class Info {
+
+    public static int magiskVersionCode = -1;
+
+    @NonNull
+    public static String magiskVersionString = "";
+
+    public static UpdateInfo remote = new UpdateInfo();
+
+    public static boolean keepVerity = false;
+    public static boolean keepEnc = false;
+    public static boolean recovery = false;
+
+    public static void loadMagiskInfo() {
+        try {
+            magiskVersionString = ShellUtils.fastCmd("magisk -v").split(":")[0];
+            magiskVersionCode = Integer.parseInt(ShellUtils.fastCmd("magisk -V"));
+            Config.setMagiskHide(Shell.su("magiskhide --status").exec().isSuccess());
+        } catch (NumberFormatException ignored) {
+        }
+    }
+}

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

@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.toLog
+import com.topjohnwu.magisk.model.entity.toMap
+import java.util.concurrent.TimeUnit
+
+class LogDao : BaseDao() {
+
+    override val table = DatabaseDefinition.Table.LOG
+
+    fun deleteOutdated(
+        suTimeout: Long = TimeUnit.DAYS.toMillis(14)
+    ) = query<Delete> {
+        condition {
+            lessThan("time", suTimeout.toString())
+        }
+    }.ignoreElement()
+
+    fun deleteAll() = query<Delete> {}.ignoreElement()
+
+    fun fetchAll() = query<Select> {
+        orderBy("time", Order.DESC)
+    }.flattenAsFlowable { it }
+        .map { it.toLog() }
+        .toList()
+
+    fun put(log: MagiskLog) = query<Insert> {
+        values(log.toMap())
+    }.ignoreElement()
+
+}

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 +1,81 @@
+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.base.*
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
+import com.topjohnwu.magisk.model.entity.toMap
+import com.topjohnwu.magisk.model.entity.toPolicy
+import com.topjohnwu.magisk.utils.now
+import timber.log.Timber
+import java.util.concurrent.TimeUnit
+
+
+class PolicyDao(
+    private val context: Context
+) : BaseDao() {
+
+    override val table: String = DatabaseDefinition.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? {
+        val taskResult = runCatching { toPolicy(context.packageManager) }
+        val result = taskResult.getOrNull()
+        val exception = taskResult.exceptionOrNull()
+
+        Timber.e(exception)
+
+        when (exception) {
+            is PackageManager.NameNotFoundException -> {
+                val uid = getOrElse("uid") { null } ?: return null
+                delete(uid).subscribe()
+            }
+        }
+
+        return result
+    }
+
+}

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/RepoDatabaseHelper.kt

@@ -0,0 +1,109 @@
+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 androidx.core.content.edit
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.model.entity.Repo
+import java.util.*
+
+@Deprecated("")
+class RepoDatabaseHelper
+constructor(context: Context) : SQLiteOpenHelper(context, "repo.db", null, DATABASE_VER) {
+
+    private val mDb: SQLiteDatabase = writableDatabase
+
+    val rawCursor: Cursor
+        @Deprecated("")
+        get() = mDb.query(TABLE_NAME, null, null, null, null, null, null)
+
+    val repoCursor: Cursor
+        @Deprecated("")
+        get() {
+            var orderBy: String? = null
+            when (Config.repoOrder) {
+                Config.Value.ORDER_NAME -> orderBy = "name COLLATE NOCASE"
+                Config.Value.ORDER_DATE -> orderBy = "last_update DESC"
+            }
+            return mDb.query(TABLE_NAME, null, null, null, null, null, orderBy)
+        }
+
+    val repoIDSet: Set<String>
+        @Deprecated("")
+        get() {
+            val set = HashSet<String>(300)
+            mDb.query(TABLE_NAME, null, null, null, null, null, null).use { c ->
+                while (c.moveToNext()) {
+                    set.add(c.getString(c.getColumnIndex("id")))
+                }
+            }
+            return set
+        }
+
+    override fun onCreate(db: SQLiteDatabase) {
+        onUpgrade(db, 0, DATABASE_VER)
+    }
+
+    override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        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.prefs.edit {
+                remove(Config.Key.ETAG_KEY)
+            }
+        }
+    }
+
+    override fun onDowngrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        onUpgrade(db, 0, DATABASE_VER)
+    }
+
+    @Deprecated("")
+    fun clearRepo() {
+        mDb.delete(TABLE_NAME, null, null)
+    }
+
+
+    @Deprecated("")
+    fun removeRepo(id: String) {
+        mDb.delete(TABLE_NAME, "id=?", arrayOf(id))
+    }
+
+    @Deprecated("")
+    fun removeRepo(repo: Repo) {
+        removeRepo(repo.id)
+    }
+
+    @Deprecated("")
+    fun removeRepo(list: Iterable<String>) {
+        list.forEach {
+            mDb.delete(TABLE_NAME, "id=?", arrayOf(it))
+        }
+    }
+
+    @Deprecated("")
+    fun addRepo(repo: Repo) {
+        mDb.replace(TABLE_NAME, null, repo.contentValues)
+    }
+
+    @Deprecated("")
+    fun getRepo(id: String): Repo? {
+        mDb.query(TABLE_NAME, null, "id=?", arrayOf(id), null, null, null).use { c ->
+            if (c.moveToNext()) {
+                return Repo(c)
+            }
+        }
+        return null
+    }
+
+    companion object {
+        private val DATABASE_VER = 5
+        private val TABLE_NAME = "repos"
+    }
+}

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

@@ -0,0 +1,22 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class SettingsDao : BaseDao() {
+
+    override val table = DatabaseDefinition.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 +1,22 @@
+package com.topjohnwu.magisk.data.database
+
+import com.topjohnwu.magisk.data.database.base.*
+
+class StringDao : BaseDao() {
+
+    override val table = DatabaseDefinition.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/base/BaseDao.kt

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.database.base
+
+abstract class BaseDao {
+
+    abstract val table: String
+
+    inline fun <reified Builder : MagiskQueryBuilder> query(builder: Builder.() -> Unit) =
+        Builder::class.java.newInstance()
+            .apply { table = this@BaseDao.table }
+            .apply(builder)
+            .toString()
+            .let { MagiskQuery(it) }
+            .query()
+
+}

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

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.AnyThread
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+object DatabaseDefinition {
+
+    object Table {
+        const val POLICY = "policies"
+        const val LOG = "logs"
+        const val SETTINGS = "settings"
+        const val STRINGS = "strings"
+    }
+
+}
+
+@AnyThread
+fun MagiskQuery.query() = query.su()
+
+fun String.suRaw() = Single.fromCallable { Shell.su(this).exec().out }
+fun String.su() = suRaw().map { it.toMap() }
+
+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/base/MagiskQuery.kt

@@ -0,0 +1,5 @@
+package com.topjohnwu.magisk.data.database.base
+
+inline class MagiskQuery(private val _query: String) {
+    val query get() = "magisk --sqlite '$_query'"
+}

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

@@ -0,0 +1,155 @@
+package com.topjohnwu.magisk.data.database.base
+
+import androidx.annotation.StringDef
+import com.topjohnwu.magisk.data.database.base.Order.Companion.ASC
+import com.topjohnwu.magisk.data.database.base.Order.Companion.DESC
+
+interface MagiskQueryBuilder {
+
+    val requestType: String
+    var table: String
+
+    companion object {
+        inline operator fun <reified Builder : MagiskQueryBuilder> invoke(builder: Builder.() -> Unit): MagiskQuery =
+            Builder::class.java.newInstance()
+                .apply(builder)
+                .toString()
+                .let {
+                    MagiskQuery(it)
+                }
+    }
+
+}
+
+class Delete : MagiskQueryBuilder {
+    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 : MagiskQueryBuilder {
+    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 $order"
+    }
+
+    override fun toString(): String {
+        return listOf(requestType, table, condition, orderField).joinToString(" ")
+    }
+}
+
+class Replace : Insert() {
+    override val requestType: String = "REPLACE INTO"
+}
+
+open class Insert : MagiskQueryBuilder {
+    override val requestType: String = "INSERT INTO"
+    override lateinit var table: String
+
+    private val keys get() = _values.keys.joinToString(",")
+    private val values get() = _values.values.joinToString(",") {
+        when (it) {
+            is Boolean -> if (it) "1" else "0"
+            is Number -> it.toString()
+            else -> "\"$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)
+    }
+}
+
+class Order {
+
+    @set:OrderStrict
+    var order = DESC
+    var field = ""
+
+    companion object {
+        const val ASC = "ASC"
+        const val DESC = "DESC"
+    }
+
+}
+
+@StringDef(ASC, DESC)
+@Retention(AnnotationRetention.SOURCE)
+annotation class OrderStrict

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

@@ -0,0 +1,62 @@
+package com.topjohnwu.magisk.data.network
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.model.entity.UpdateInfo
+import io.reactivex.Single
+import okhttp3.ResponseBody
+import retrofit2.http.GET
+import retrofit2.http.Path
+import retrofit2.http.Streaming
+import retrofit2.http.Url
+
+
+interface GithubRawApiServices {
+
+    //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("$MAGISK_FILES/master/canary_builds/release.json")
+    fun fetchCanaryUpdate(): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/master/canary_builds/canary.json")
+    fun fetchCanaryDebugUpdate(): Single<UpdateInfo>
+
+    @GET
+    fun fetchCustomUpdate(@Url url: String): Single<UpdateInfo>
+
+    @GET("$MAGISK_FILES/{$REVISION}/snet.apk")
+    @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>
+
+    //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>
+
+
+    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"
+    }
+
+}

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

@@ -0,0 +1,15 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.database.PolicyDao
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
+
+class AppRepository(private val policyDao: PolicyDao) {
+
+    fun deleteOutdated() = policyDao.deleteOutdated()
+    fun delete(packageName: String) = policyDao.delete(packageName)
+    fun delete(uid: Int) = policyDao.delete(uid)
+    fun fetch(uid: Int) = policyDao.fetch(uid)
+    fun fetchAll() = policyDao.fetchAll()
+    fun update(policy: MagiskPolicy) = policyDao.update(policy)
+
+}

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

@@ -0,0 +1,95 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.data.database.SettingsDao
+import com.topjohnwu.magisk.data.database.StringDao
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+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
+    ) = DBStringsValue(name, default)
+
+}
+
+class DBSettingsValue(
+        private val name: String,
+        private val default: Int
+) : ReadWriteProperty<DBConfig, Int> {
+
+    private var value: Int? = null
+
+    private fun getKey(property: KProperty<*>) = name.trimEmptyToNull() ?: property.name
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): Int {
+        if (value == null)
+            value = thisRef.settingsDao.fetch(getKey(property), default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: Int) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.settingsDao.put(getKey(property), 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
+) : ReadWriteProperty<DBConfig, String> {
+
+    private var value: String? = null
+
+    private fun getKey(property: KProperty<*>) = name.trimEmptyToNull() ?: property.name
+
+    @Synchronized
+    override fun getValue(thisRef: DBConfig, property: KProperty<*>): String {
+        if (value == null)
+            value = thisRef.stringDao.fetch(getKey(property), default).blockingGet()
+        return value!!
+    }
+
+    override fun setValue(thisRef: DBConfig, property: KProperty<*>, value: String) {
+        synchronized(this) {
+            this.value = value
+        }
+        thisRef.stringDao.put(getKey(property), value)
+                .subscribeOn(Schedulers.io())
+                .subscribe()
+    }
+}

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

@@ -0,0 +1,40 @@
+package com.topjohnwu.magisk.data.repository
+
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.LogDao
+import com.topjohnwu.magisk.data.database.base.suRaw
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.superuser.Shell
+import java.util.concurrent.TimeUnit
+
+
+class LogRepository(
+    private val logDao: LogDao
+) {
+
+    fun fetchLogs() = logDao.fetchAll()
+        .map { it.sortByDescending { it.date.time }; it }
+        .map { it.wrap() }
+
+    fun fetchMagiskLogs() = "tail -n 5000 ${Const.MAGISK_LOG}".suRaw()
+        .filter { it.isNotEmpty() }
+
+    fun clearLogs() = logDao.deleteAll()
+    fun clearOutdated() = logDao.deleteOutdated()
+
+    fun clearMagiskLogs() = Shell.su("echo -n > " + Const.MAGISK_LOG)
+        .toSingle()
+        .map { it.exec() }
+
+    fun put(log: MagiskLog) = logDao.put(log)
+
+    private fun List<MagiskLog>.wrap(): List<WrappedMagiskLog> {
+        val day = TimeUnit.DAYS.toMillis(1)
+        return groupBy { it.date.time / day }
+            .map { WrappedMagiskLog(it.key * day, it.value) }
+    }
+
+
+}

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

@@ -0,0 +1,104 @@
+package com.topjohnwu.magisk.data.repository
+
+import android.content.Context
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.App
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.database.base.su
+import com.topjohnwu.magisk.data.network.GithubRawApiServices
+import com.topjohnwu.magisk.model.entity.HideAppInfo
+import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.magisk.utils.toSingle
+import com.topjohnwu.magisk.utils.writeToFile
+import com.topjohnwu.superuser.Shell
+import io.reactivex.Single
+
+class MagiskRepository(
+    private val context: Context,
+    private val apiRaw: GithubRawApiServices,
+    private val packageManager: PackageManager
+) {
+
+    fun fetchMagisk() = fetchUpdate()
+        .flatMap { apiRaw.fetchFile(it.magisk.link) }
+        .map { it.writeToFile(context, FILE_MAGISK_ZIP) }
+
+    fun fetchManager() = fetchUpdate()
+        .flatMap { apiRaw.fetchFile(it.app.link) }
+        .map { it.writeToFile(context, FILE_MAGISK_APK) }
+
+    fun fetchUninstaller() = fetchUpdate()
+        .flatMap { apiRaw.fetchFile(it.uninstaller.link) }
+        .map { it.writeToFile(context, FILE_UNINSTALLER_ZIP) }
+
+    fun fetchSafetynet() = apiRaw.fetchSafetynet()
+
+    fun fetchBootctl() = apiRaw
+        .fetchBootctl()
+        .map { it.writeToFile(context, FILE_BOOTCTL_SH) }
+
+
+    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.magiskVersionCode
+                && Config.updateChannel == Config.Value.DEFAULT_CHANNEL) {
+            Config.updateChannel = Config.Value.BETA_CHANNEL
+            apiRaw.fetchBetaUpdate()
+        } else {
+            Single.just(it)
+        }
+    }.map { Info.remote = it; it }
+
+    fun fetchApps() =
+        Single.fromCallable { packageManager.getInstalledApplications(0) }
+            .flattenAsFlowable { it }
+            .filter { it.enabled && !blacklist.contains(it.packageName) }
+            .map {
+                val label = Utils.getAppLabel(it, 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) =
+        "magiskhide --%s %s %s".format(isEnabled.state, packageName, process).su().ignoreElement()
+
+    private val Boolean.state get() = if (this) "add" else "rm"
+
+    companion object {
+        const val FILE_MAGISK_ZIP = "magisk.zip"
+        const val FILE_MAGISK_APK = "magisk.apk"
+        const val FILE_UNINSTALLER_ZIP = "uninstaller.zip"
+        const val FILE_SAFETY_NET_APK = "safetynet.apk"
+        const val FILE_BOOTCTL_SH = "bootctl"
+
+        private val blacklist = listOf(
+            let { val app: App by inject(); app }.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/di/ApplicationModule.kt

@@ -12,8 +12,7 @@ val applicationModule = module {
     factory { get<Context>().resources }
     factory { get<Context>() as App }
     factory { get<Context>().packageManager }
-    single(SUTimeout) {
-        get<App>().protectedContext.getSharedPreferences("su_timeout", 0)
-    }
-    single { PreferenceManager.getDefaultSharedPreferences(get<App>().protectedContext) }
-}
+    factory(Protected) { get<App>().protectedContext }
+    single(SUTimeout) { get<Context>(Protected).getSharedPreferences("su_timeout", 0) }
+    single { PreferenceManager.getDefaultSharedPreferences(get<Context>(Protected)) }
+}

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

@@ -1,12 +1,15 @@
 package com.topjohnwu.magisk.di
 
-import com.topjohnwu.magisk.App
-import com.topjohnwu.magisk.data.database.MagiskDB
-import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import com.topjohnwu.magisk.data.database.*
+import com.topjohnwu.magisk.tasks.UpdateRepos
 import org.koin.dsl.module
 
 
 val databaseModule = module {
-    single { MagiskDB(get<App>().protectedContext) }
+    single { LogDao() }
+    single { PolicyDao(get()) }
+    single { SettingsDao() }
+    single { StringDao() }
     single { RepoDatabaseHelper(get()) }
+    single { UpdateRepos(get()) }
 }

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

@@ -2,4 +2,5 @@ package com.topjohnwu.magisk.di
 
 import org.koin.core.qualifier.named
 
-val SUTimeout = named("su_timeout")
+val SUTimeout = named("su_timeout")
+val Protected = named("protected")

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

@@ -1,6 +1,73 @@
 package com.topjohnwu.magisk.di
 
+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.GithubRawApiServices
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
 import org.koin.dsl.module
+import retrofit2.CallAdapter
+import retrofit2.Converter
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import retrofit2.converter.moshi.MoshiConverterFactory
+import se.ansman.kotshi.KotshiJsonAdapterFactory
 
+val networkingModule = module {
+    single { createOkHttpClient() }
+    single { createConverterFactory() }
+    single { createCallAdapterFactory() }
+    single { createRetrofit(get(), get(), get()) }
+    single { createApiService<GithubRawApiServices>(get(), Const.Url.GITHUB_RAW_API_URL) }
+}
 
-val networkingModule = module {}
+fun createOkHttpClient(): OkHttpClient {
+    val builder = OkHttpClient.Builder()
+
+    if (BuildConfig.DEBUG) {
+        val httpLoggingInterceptor = HttpLoggingInterceptor().apply {
+            level = HttpLoggingInterceptor.Level.BODY
+        }
+        builder.addInterceptor(httpLoggingInterceptor)
+    }
+
+    return builder.build()
+}
+
+fun createConverterFactory(): Converter.Factory {
+    val moshi = Moshi.Builder()
+            .add(JsonAdapterFactory.INSTANCE)
+            .build()
+    return MoshiConverterFactory.create(moshi)
+}
+
+fun createCallAdapterFactory(): CallAdapter.Factory {
+    return RxJava2CallAdapterFactory.create()
+}
+
+fun createRetrofit(
+    okHttpClient: OkHttpClient,
+    converterFactory: Converter.Factory,
+    callAdapterFactory: CallAdapter.Factory
+): Retrofit.Builder {
+    return Retrofit.Builder()
+        .addConverterFactory(converterFactory)
+        .addCallAdapterFactory(callAdapterFactory)
+        .client(okHttpClient)
+}
+
+@KotshiJsonAdapterFactory
+abstract class JsonAdapterFactory : JsonAdapter.Factory {
+    companion object {
+        val INSTANCE: JsonAdapterFactory = KotshiJsonAdapterFactory
+    }
+}
+
+inline fun <reified T> createApiService(retrofitBuilder: Retrofit.Builder, baseUrl: String): T {
+    return retrofitBuilder
+        .baseUrl(baseUrl)
+        .build()
+        .create(T::class.java)
+}

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

@@ -1,6 +1,13 @@
 package com.topjohnwu.magisk.di
 
+import com.topjohnwu.magisk.data.repository.AppRepository
+import com.topjohnwu.magisk.data.repository.LogRepository
+import com.topjohnwu.magisk.data.repository.MagiskRepository
 import org.koin.dsl.module
 
 
-val repositoryModule = module {}
+val repositoryModule = module {
+    single { MagiskRepository(get(), get(), get()) }
+    single { LogRepository(get()) }
+    single { AppRepository(get()) }
+}

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

@@ -18,7 +18,7 @@ val viewModelModules = module {
     viewModel { HomeViewModel(get()) }
     viewModel { SuperuserViewModel(get(), get(), get(), get()) }
     viewModel { HideViewModel(get(), get()) }
-    viewModel { ModuleViewModel(get(), get()) }
+    viewModel { ModuleViewModel(get(), get(), get()) }
     viewModel { LogViewModel(get(), get()) }
     viewModel { (action: String, uri: Uri?) -> FlashViewModel(action, uri, get()) }
     viewModel { SuRequestViewModel(get(), get(), get(SUTimeout), get()) }

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.skoumal.teanity.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

@@ -6,6 +6,8 @@ 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;
@@ -29,8 +31,6 @@ import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import java.util.zip.ZipOutputStream;
 
-import androidx.annotation.Nullable;
-
 public class DownloadModuleService extends Service {
 
     private List<ProgressNotification> notifications;

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

@@ -5,10 +5,10 @@ import android.database.Cursor;
 import android.os.Parcel;
 import android.os.Parcelable;
 
-import java.util.List;
-
 import androidx.annotation.NonNull;
 
+import java.util.List;
+
 public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
 
     private String mId, mName, mVersion, mAuthor, mDescription;
@@ -36,9 +36,18 @@ public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
         mVersionCode = p.readInt();
     }
 
+    protected BaseModule(MagiskModule m) {
+        mId = m.getId();
+        mName = m.getName();
+        mVersion = m.getVersion();
+        mAuthor = m.getAuthor();
+        mDescription = m.getDescription();
+        mVersionCode = Integer.parseInt(m.getVersionCode());
+    }
+
     @Override
     public int compareTo(@NonNull BaseModule module) {
-        return this.getName().toLowerCase().compareTo(module.getName().toLowerCase());
+        return getName().toLowerCase().compareTo(module.getName().toLowerCase());
     }
 
     @Override
@@ -71,7 +80,9 @@ public abstract class BaseModule implements Comparable<BaseModule>, Parcelable {
         return values;
     }
 
-    protected void parseProps(List<String> props) { parseProps(props.toArray(new String[0])); }
+    protected void parseProps(List<String> props) {
+        parseProps(props.toArray(new String[0]));
+    }
 
     protected void parseProps(String[] props) throws NumberFormatException {
         for (String line : props) {

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

@@ -0,0 +1,57 @@
+package com.topjohnwu.magisk.model.entity
+
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.ALLOW
+import com.topjohnwu.magisk.utils.timeFormatTime
+import com.topjohnwu.magisk.utils.toTime
+import java.util.*
+
+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 date: Date
+) {
+    val timeString = date.time.toTime(timeFormatTime)
+}
+
+data class WrappedMagiskLog(
+    val time: Long,
+    val items: List<MagiskLog>
+)
+
+fun Map<String, String>.toLog(): MagiskLog {
+    return MagiskLog(
+        fromUid = get("from_uid")?.toIntOrNull() ?: -1,
+        toUid = get("to_uid")?.toIntOrNull() ?: -1,
+        fromPid = get("from_pid")?.toIntOrNull() ?: -1,
+        packageName = get("package_name").orEmpty(),
+        appName = get("app_name").orEmpty(),
+        command = get("command").orEmpty(),
+        action = get("action")?.toIntOrNull() != 0,
+        date = get("time")?.toLongOrNull()?.toDate() ?: Date()
+    )
+}
+
+fun Long.toDate() = Date(this)
+
+fun MagiskLog.toMap() = mapOf(
+    "from_uid" to fromUid,
+    "to_uid" to toUid,
+    "from_pid" to fromPid,
+    "package_name" to packageName,
+    "app_name" to appName,
+    "command" to command,
+    "action" to action,
+    "time" to date.time
+)
+
+fun MagiskPolicy.toLog(
+    toUid: Int,
+    fromPid: Int,
+    command: String,
+    date: Date
+) = MagiskLog(uid, toUid, fromPid, packageName, appName, command, policy == ALLOW, date)

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

@@ -0,0 +1,86 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.os.Parcelable
+import androidx.annotation.AnyThread
+import androidx.annotation.NonNull
+import androidx.annotation.WorkerThread
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.data.database.base.su
+import io.reactivex.Single
+import kotlinx.android.parcel.Parcelize
+import okhttp3.ResponseBody
+import java.io.File
+
+interface MagiskModule : Parcelable {
+    val id: String
+    val name: String
+    val author: String
+    val version: String
+    val versionCode: String
+    val description: String
+}
+
+@Entity(tableName = "repos")
+@Parcelize
+data class Repository(
+    @PrimaryKey @NonNull
+    override val id: String,
+    override val name: String,
+    override val author: String,
+    override val version: String,
+    override val versionCode: String,
+    override val description: String,
+    val lastUpdate: Long
+) : MagiskModule
+
+@Parcelize
+data class Module(
+    override val id: String,
+    override val name: String,
+    override val author: String,
+    override val version: String,
+    override val versionCode: String,
+    override val description: String,
+    val path: String
+) : MagiskModule
+
+@AnyThread
+fun File.toModule(): Single<Module> {
+    val path = "${Const.MAGISK_PATH}/$name"
+    return "dos2unix < $path/module.prop".su()
+        .map { it.first().toModule(path) }
+}
+
+fun Map<String, String>.toModule(path: String): Module {
+    return Module(
+        id = get("id").orEmpty(),
+        name = get("name").orEmpty(),
+        author = get("author").orEmpty(),
+        version = get("version").orEmpty(),
+        versionCode = get("versionCode").orEmpty(),
+        description = get("description").orEmpty(),
+        path = path
+    )
+}
+
+@WorkerThread
+fun ResponseBody.toRepository(lastUpdate: Long) = string()
+    .split(Regex("\\n"))
+    .map { it.split("=", limit = 2) }
+    .filter { it.size == 2 }
+    .map { Pair(it[0], it[1]) }
+    .toMap()
+    .toRepository(lastUpdate)
+
+@AnyThread
+fun Map<String, String>.toRepository(lastUpdate: Long) = Repository(
+    id = get("id").orEmpty(),
+    name = get("name").orEmpty(),
+    author = get("author").orEmpty(),
+    version = get("version").orEmpty(),
+    versionCode = get("versionCode").orEmpty(),
+    description = get("description").orEmpty(),
+    lastUpdate = lastUpdate
+)

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

@@ -0,0 +1,68 @@
+package com.topjohnwu.magisk.model.entity
+
+import android.content.pm.ApplicationInfo
+import android.content.pm.PackageManager
+import com.topjohnwu.magisk.model.entity.MagiskPolicy.Companion.INTERACTIVE
+
+
+data class MagiskPolicy(
+    val uid: Int,
+    val packageName: String,
+    val appName: String,
+    val policy: Int = INTERACTIVE,
+    val 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, 0)
+
+    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.loadLabel(pm).toString()
+    )
+}
+
+@Throws(PackageManager.NameNotFoundException::class)
+fun Int.toPolicy(pm: PackageManager): MagiskPolicy {
+    val pkg = pm.getPackagesForUid(this)?.firstOrNull()
+        ?: throw PackageManager.NameNotFoundException()
+    val info = pm.getApplicationInfo(pkg, 0)
+    return MagiskPolicy(
+        uid = this,
+        packageName = pkg,
+        applicationInfo = info,
+        appName = info.loadLabel(pm).toString()
+    )
+}

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

@@ -6,16 +6,33 @@ import android.os.Parcelable;
 import com.topjohnwu.superuser.Shell;
 import com.topjohnwu.superuser.io.SuFile;
 
-public class Module extends BaseModule {
+public class OldModule extends BaseModule {
 
-    private SuFile mRemoveFile, mDisableFile, mUpdateFile;
-    private boolean mEnable, mRemove, mUpdated;
+    public static final Parcelable.Creator<OldModule> CREATOR = new Creator<OldModule>() {
+        /* It won't be used at any place */
+        @Override
+        public OldModule createFromParcel(Parcel source) {
+            return null;
+        }
 
-    public Module(String path) {
+        @Override
+        public OldModule[] newArray(int size) {
+            return null;
+        }
+    };
+    private final SuFile mRemoveFile;
+    private final SuFile mDisableFile;
+    private final SuFile mUpdateFile;
+    private final boolean mUpdated;
+    private boolean mEnable;
+    private boolean mRemove;
+
+    public OldModule(String path) {
 
         try {
             parseProps(Shell.su("dos2unix <  " + path + "/module.prop").exec().getOut());
-        } catch (NumberFormatException ignored) {}
+        } catch (NumberFormatException ignored) {
+        }
 
         mRemoveFile = new SuFile(path, "remove");
         mDisableFile = new SuFile(path, "disable");
@@ -35,19 +52,6 @@ public class Module extends BaseModule {
         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();
     }

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

@@ -4,10 +4,10 @@ import android.content.ContentValues;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 
-import com.topjohnwu.magisk.utils.Utils;
-
 import androidx.annotation.NonNull;
 
+import com.topjohnwu.magisk.utils.Utils;
+
 
 public class Policy implements Comparable<Policy>{
     public static final int INTERACTIVE = 0;
@@ -27,7 +27,7 @@ public class Policy implements Comparable<Policy>{
         this.uid = uid;
         packageName = pkgs[0];
         info = pm.getApplicationInfo(packageName, 0);
-        appName = Utils.getAppLabel(info, pm);
+        appName = Utils.INSTANCE.getAppLabel(info, pm);
     }
 
     public Policy(ContentValues values, PackageManager pm) throws PackageManager.NameNotFoundException {

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

@@ -29,6 +29,11 @@ public class Repo extends BaseModule {
         mLastUpdate = new Date(p.readLong());
     }
 
+    public Repo(Repository repo) {
+        super(repo);
+        mLastUpdate = new Date(repo.getLastUpdate());
+    }
+
     public static final Parcelable.Creator<Repo> CREATOR = new Parcelable.Creator<Repo>() {
 
         @Override
@@ -49,7 +54,7 @@ public class Repo extends BaseModule {
     }
 
     public void update() throws IllegalRepoException {
-        String props[] = Utils.dlString(getPropUrl()).split("\\n");
+        String[] props = Utils.INSTANCE.dlString(getPropUrl()).split("\\n");
         try {
             parseProps(props);
         } catch (NumberFormatException e) {
@@ -98,7 +103,7 @@ public class Repo extends BaseModule {
     }
 
     public String getDownloadFilename() {
-        return Utils.getLegalFilename(getName() + "-" + getVersion() + ".zip");
+        return Utils.INSTANCE.getLegalFilename(getName() + "-" + getVersion() + ".zip");
     }
 
     public class IllegalRepoException extends Exception {

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

@@ -15,11 +15,11 @@ public class SuLogEntry {
     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(MagiskPolicy policy) {
+        fromUid = policy.getUid();
+        packageName = policy.getPackageName();
+        appName = policy.getAppName();
+        action = policy.getPolicy() == Policy.ALLOW;
     }
 
     public SuLogEntry(ContentValues values) {
@@ -47,10 +47,10 @@ public class SuLogEntry {
     }
 
     public String getDateString() {
-        return DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale).format(date);
+        return DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.getLocale()).format(date);
     }
 
     public String getTimeString() {
-        return new SimpleDateFormat("h:mm a", LocaleManager.locale).format(date);
+        return new SimpleDateFormat("h:mm a", LocaleManager.getLocale()).format(date);
     }
 }

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

@@ -0,0 +1,33 @@
+package com.topjohnwu.magisk.model.entity
+
+import com.squareup.moshi.Json
+import se.ansman.kotshi.JsonSerializable
+
+@JsonSerializable
+data class UpdateInfo(
+    val app: ManagerJson = ManagerJson(),
+    val uninstaller: UninstallerJson = UninstallerJson(),
+    val magisk: MagiskJson = MagiskJson()
+)
+
+@JsonSerializable
+data class UninstallerJson(
+    val link: String = ""
+)
+
+@JsonSerializable
+data class MagiskJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = "",
+    @Json(name = "md5") val hash: String = ""
+)
+
+@JsonSerializable
+data class ManagerJson(
+    val version: String = "",
+    val versionCode: Int = -1,
+    val link: String = "",
+    val note: String = ""
+)

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

@@ -0,0 +1,3 @@
+package com.topjohnwu.magisk.model.entity
+
+data class Version(val version: String, val versionCode: Int)

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

@@ -1,11 +1,26 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-import com.skoumal.teanity.databinding.ComparableRvItem
+import android.widget.TextView
+import androidx.core.view.updateLayoutParams
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
 import com.topjohnwu.magisk.R
 
-class ConsoleRvItem(val item: String) : ComparableRvItem<ConsoleRvItem>() {
+class ConsoleRvItem(val item: String) : LenientRvItem<ConsoleRvItem>() {
     override val layoutRes: Int = R.layout.item_console
 
+    override fun onBindingBound(binding: ViewDataBinding, recyclerView: RecyclerView) {
+        val view = binding.root as TextView
+        view.measure(0, 0)
+        val desiredWidth = view.measuredWidth
+
+        view.updateLayoutParams { width = desiredWidth }
+
+        if (recyclerView.width < desiredWidth) {
+            recyclerView.requestLayout()
+        }
+    }
+
     override fun contentSameAs(other: ConsoleRvItem) = itemSameAs(other)
     override fun itemSameAs(other: ConsoleRvItem) = item == other.item
 }

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

@@ -0,0 +1,16 @@
+package com.topjohnwu.magisk.model.entity.recycler
+
+import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
+import com.skoumal.teanity.databinding.ComparableRvItem
+
+/**
+ * This item addresses issues where enclosing recycler has to be invalidated or generally
+ * manipulated with. This shouldn't be however necessary for 99.9% of use-cases. Refrain from using
+ * this item as it provides virtually no additional functionality. Stick with ComparableRvItem.
+ * */
+abstract class LenientRvItem<in T> : ComparableRvItem<T>() {
+
+    open fun onBindingBound(binding: ViewDataBinding, recyclerView: RecyclerView) {}
+
+}

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

@@ -1,11 +1,13 @@
 package com.topjohnwu.magisk.model.entity.recycler
 
-import androidx.databinding.ObservableList
 import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.model.entity.SuLogEntry
+import com.topjohnwu.magisk.model.entity.MagiskLog
+import com.topjohnwu.magisk.model.entity.WrappedMagiskLog
+import com.topjohnwu.magisk.utils.timeFormatMedium
+import com.topjohnwu.magisk.utils.toTime
 import com.topjohnwu.magisk.utils.toggle
 
 class LogRvItem : ComparableRvItem<LogRvItem>() {
@@ -25,12 +27,12 @@ class LogRvItem : ComparableRvItem<LogRvItem>() {
 }
 
 class LogItemRvItem(
-    val items: ObservableList<ComparableRvItem<*>>
+    item: WrappedMagiskLog
 ) : ComparableRvItem<LogItemRvItem>() {
     override val layoutRes: Int = R.layout.item_superuser_log
 
-    val date = items.filterIsInstance<LogItemEntryRvItem>().firstOrNull()
-        ?.item?.dateString.orEmpty()
+    val date = item.time.toTime(timeFormatMedium)
+    val items: List<ComparableRvItem<*>> = item.items.map { LogItemEntryRvItem(it) }
     val isExpanded = KObservableField(false)
 
     fun toggle() = isExpanded.toggle()
@@ -41,7 +43,7 @@ class LogItemRvItem(
     override fun itemSameAs(other: LogItemRvItem): Boolean = date == other.date
 }
 
-class LogItemEntryRvItem(val item: SuLogEntry) : ComparableRvItem<LogItemEntryRvItem>() {
+class LogItemEntryRvItem(val item: MagiskLog) : ComparableRvItem<LogItemEntryRvItem>() {
     override val layoutRes: Int = R.layout.item_superuser_log_entry
 
     val isExpanded = KObservableField(false)

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

@@ -6,12 +6,13 @@ import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.model.entity.Module
+import com.topjohnwu.magisk.model.entity.OldModule
 import com.topjohnwu.magisk.model.entity.Repo
+import com.topjohnwu.magisk.model.entity.Repository
 import com.topjohnwu.magisk.utils.get
 import com.topjohnwu.magisk.utils.toggle
 
-class ModuleRvItem(val item: Module) : ComparableRvItem<ModuleRvItem>() {
+class ModuleRvItem(val item: OldModule) : ComparableRvItem<ModuleRvItem>() {
 
     override val layoutRes: Int = R.layout.item_module
 
@@ -49,18 +50,22 @@ class ModuleRvItem(val item: Module) : ComparableRvItem<ModuleRvItem>() {
     override fun contentSameAs(other: ModuleRvItem): Boolean = item.version == other.item.version
             && item.versionCode == other.item.versionCode
             && item.description == other.item.description
+            && item.name == other.item.name
 
-    override fun itemSameAs(other: ModuleRvItem): Boolean = item.name == other.item.name
+    override fun itemSameAs(other: ModuleRvItem): Boolean = item.id == other.item.id
 }
 
 class RepoRvItem(val item: Repo) : ComparableRvItem<RepoRvItem>() {
 
+    constructor(repo: Repository) : this(Repo(repo))
+
     override val layoutRes: Int = R.layout.item_repo
 
     override fun contentSameAs(other: RepoRvItem): Boolean = item.version == other.item.version
             && item.lastUpdate == other.item.lastUpdate
             && item.versionCode == other.item.versionCode
             && item.description == other.item.description
+            && item.detailUrl == other.item.detailUrl
 
-    override fun itemSameAs(other: RepoRvItem): Boolean = item.detailUrl == other.item.detailUrl
+    override fun itemSameAs(other: RepoRvItem): Boolean = item.id == other.item.id
 }

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

@@ -6,13 +6,14 @@ import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.rxbus.RxBus
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.Policy
 import com.topjohnwu.magisk.model.events.PolicyEnableEvent
 import com.topjohnwu.magisk.model.events.PolicyUpdateEvent
 import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.magisk.utils.toggle
 
-class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<PolicyRvItem>() {
+class PolicyRvItem(val item: MagiskPolicy, val icon: Drawable) : ComparableRvItem<PolicyRvItem>() {
 
     override val layoutRes: Int = R.layout.item_policy
 
@@ -25,6 +26,13 @@ class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<Poli
 
     private val rxBus: RxBus by inject()
 
+    private val currentStateItem
+        get() = item.copy(
+            policy = if (isEnabled.value) Policy.ALLOW else Policy.DENY,
+            notification = shouldNotify.value,
+            logging = shouldLog.value
+        )
+
     init {
         isEnabled.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
@@ -32,13 +40,11 @@ class PolicyRvItem(val item: Policy, val icon: Drawable) : ComparableRvItem<Poli
         }
         shouldNotify.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
-            item.notification = it
-            rxBus.post(PolicyUpdateEvent.Notification(this@PolicyRvItem))
+            rxBus.post(PolicyUpdateEvent.Notification(currentStateItem))
         }
         shouldLog.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
-            item.logging = it
-            rxBus.post(PolicyUpdateEvent.Log(this@PolicyRvItem))
+            rxBus.post(PolicyUpdateEvent.Log(currentStateItem))
         }
     }
 

app/src/main/java/com/topjohnwu/magisk/model/events/RxEvents.kt

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk.model.events
 
 import com.skoumal.teanity.rxbus.RxBus
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
 import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
 import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
@@ -8,9 +9,9 @@ import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
 class HideProcessEvent(val item: HideProcessRvItem) : RxBus.Event
 
 class PolicyEnableEvent(val item: PolicyRvItem, val enable: Boolean) : RxBus.Event
-sealed class PolicyUpdateEvent(val item: PolicyRvItem) : RxBus.Event {
-    class Notification(item: PolicyRvItem) : PolicyUpdateEvent(item)
-    class Log(item: PolicyRvItem) : PolicyUpdateEvent(item)
+sealed class PolicyUpdateEvent(val item: MagiskPolicy) : RxBus.Event {
+    class Notification(item: MagiskPolicy) : PolicyUpdateEvent(item)
+    class Log(item: MagiskPolicy) : PolicyUpdateEvent(item)
 }
 
 class ModuleUpdatedEvent(val item: ModuleRvItem) : RxBus.Event

app/src/main/java/com/topjohnwu/magisk/model/flash/Flashing.kt

@@ -4,7 +4,6 @@ import android.content.Context
 import android.net.Uri
 import androidx.core.os.postDelayed
 import com.topjohnwu.magisk.tasks.FlashZip
-import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.internal.UiThreadHandler
@@ -33,7 +32,7 @@ sealed class Flashing(
 
         override fun onResult(success: Boolean) {
             if (success) {
-                Utils.loadModules()
+                //Utils.loadModules()
             }
             super.onResult(success)
         }

app/src/main/java/com/topjohnwu/magisk/model/preference/BooleanProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class BooleanProperty(
+    private val name: String,
+    private val default: Boolean,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Boolean> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Boolean {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Boolean
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/FloatProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class FloatProperty(
+    private val name: String,
+    private val default: Float,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Float> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Float {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Float
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/IntProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class IntProperty(
+    private val name: String,
+    private val default: Int,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Int> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Int {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Int
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/LongProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class LongProperty(
+    private val name: String,
+    private val default: Long,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Long> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Long {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Long
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/PreferenceModel.kt

@@ -0,0 +1,69 @@
+package com.topjohnwu.magisk.model.preference
+
+import android.content.Context
+import android.content.SharedPreferences
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+interface PreferenceModel {
+
+    val context: Context
+
+    val fileName: String
+        get() = "${context.packageName}_preferences"
+    val commitPrefs: Boolean
+        get() = false
+    val prefs: SharedPreferences
+        get() = context.getSharedPreferences(fileName, Context.MODE_PRIVATE)
+
+    fun preferenceStrInt(
+        name: String,
+        default: Int,
+        writeDefault: Boolean = false,
+        commit: Boolean = commitPrefs
+    ) = object: ReadWriteProperty<PreferenceModel, Int> {
+        val base = StringProperty(name, default.toString(), commit)
+        override fun getValue(thisRef: PreferenceModel, property: KProperty<*>): Int =
+                base.getValue(thisRef, property).toInt()
+
+        override fun setValue(thisRef: PreferenceModel, property: KProperty<*>, value: Int) =
+                base.setValue(thisRef, property, value.toString())
+    }
+
+    fun preference(
+        name: String,
+        default: Boolean,
+        commit: Boolean = commitPrefs
+    ) = BooleanProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Float,
+        commit: Boolean = commitPrefs
+    ) = FloatProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Int,
+        commit: Boolean = commitPrefs
+    ) = IntProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Long,
+        commit: Boolean = commitPrefs
+    ) = LongProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: String,
+        commit: Boolean = commitPrefs
+    ) = StringProperty(name, default, commit)
+
+    fun preference(
+        name: String,
+        default: Set<String>,
+        commit: Boolean = commitPrefs
+    ) = StringSetProperty(name, default, commit)
+
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/Property.kt

@@ -0,0 +1,21 @@
+package com.topjohnwu.magisk.model.preference
+
+import android.content.SharedPreferences
+
+abstract class Property {
+
+    fun SharedPreferences.Editor.put(name: String, value: Boolean) = putBoolean(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Float) = putFloat(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Int) = putInt(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Long) = putLong(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: String) = putString(name, value)
+    fun SharedPreferences.Editor.put(name: String, value: Set<String>) = putStringSet(name, value)
+
+    fun SharedPreferences.get(name: String, value: Boolean) = getBoolean(name, value)
+    fun SharedPreferences.get(name: String, value: Float) = getFloat(name, value)
+    fun SharedPreferences.get(name: String, value: Int) = getInt(name, value)
+    fun SharedPreferences.get(name: String, value: Long) = getLong(name, value)
+    fun SharedPreferences.get(name: String, value: String) = getString(name, value) ?: value
+    fun SharedPreferences.get(name: String, value: Set<String>) = getStringSet(name, value) ?: value
+
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/StringProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class StringProperty(
+    private val name: String,
+    private val default: String,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, String> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): String {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: String
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/preference/StringSetProperty.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.preference
+
+import androidx.core.content.edit
+import com.topjohnwu.magisk.utils.trimEmptyToNull
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class StringSetProperty(
+    private val name: String,
+    private val default: Set<String>,
+    private val commit: Boolean
+) : Property(), ReadWriteProperty<PreferenceModel, Set<String>> {
+
+    override operator fun getValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>
+    ): Set<String> {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        return thisRef.prefs.get(prefName, default)
+    }
+
+    override operator fun setValue(
+        thisRef: PreferenceModel,
+        property: KProperty<*>,
+        value: Set<String>
+    ) {
+        val prefName = name.trimEmptyToNull() ?: property.name
+        thisRef.prefs.edit(commit) { put(prefName, value) }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/receiver/GeneralReceiver.kt

@@ -6,18 +6,22 @@ import android.content.Intent
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.database.base.su
+import com.topjohnwu.magisk.data.repository.AppRepository
 import com.topjohnwu.magisk.ui.surequest.SuRequestActivity
 import com.topjohnwu.magisk.utils.DownloadApp
-import com.topjohnwu.magisk.utils.RootUtils
 import com.topjohnwu.magisk.utils.SuLogger
-import com.topjohnwu.magisk.utils.get
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.magisk.utils.reboot
 import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.magisk.view.Shortcuts
 import com.topjohnwu.superuser.Shell
 
 open class GeneralReceiver : BroadcastReceiver() {
 
+    private val appRepo: AppRepository by inject()
+
     companion object {
         const val REQUEST = "request"
         const val LOG = "log"
@@ -32,7 +36,6 @@ open class GeneralReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent?) {
         if (intent == null)
             return
-        val mDB: MagiskDB = get()
         var action: String? = intent.action ?: return
         when (action) {
             Intent.ACTION_REBOOT, Intent.ACTION_BOOT_COMPLETED -> {
@@ -47,7 +50,7 @@ open class GeneralReceiver : BroadcastReceiver() {
                 }
                 when (action) {
                     REQUEST -> {
-                        val i = Intent(context, ClassMap.get<Any>(SuRequestActivity::class.java))
+                        val i = Intent(context, ClassMap[SuRequestActivity::class.java])
                                 .setAction(action)
                                 .putExtra("socket", intent.getStringExtra("socket"))
                                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
@@ -61,20 +64,20 @@ open class GeneralReceiver : BroadcastReceiver() {
             }
             Intent.ACTION_PACKAGE_REPLACED ->
                 // This will only work pre-O
-                if (Config.get<Boolean>(Config.Key.SU_REAUTH)!!) {
-                    mDB.deletePolicy(getPkg(intent))
-                }
+                if (Config.suReAuth)
+                    appRepo.delete(getPkg(intent)).blockingGet()
             Intent.ACTION_PACKAGE_FULLY_REMOVED -> {
                 val pkg = getPkg(intent)
-                mDB.deletePolicy(pkg)
-                Shell.su("magiskhide --rm $pkg").submit()
+                appRepo.delete(pkg).blockingGet()
+                "magiskhide --rm $pkg".su().blockingGet()
             }
             Intent.ACTION_LOCALE_CHANGED -> Shortcuts.setup(context)
             Const.Key.BROADCAST_MANAGER_UPDATE -> {
-                Config.managerLink = intent.getStringExtra(Const.Key.INTENT_SET_LINK)
+                Info.remote = Info.remote.copy(app = Info.remote.app.copy(
+                        link = intent.getStringExtra(Const.Key.INTENT_SET_LINK) ?: ""))
                 DownloadApp.upgrade(intent.getStringExtra(Const.Key.INTENT_SET_NAME))
             }
-            Const.Key.BROADCAST_REBOOT -> RootUtils.reboot()
+            Const.Key.BROADCAST_REBOOT -> reboot()
         }
     }
 }

app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.java

@@ -1,33 +0,0 @@
-package com.topjohnwu.magisk.model.update;
-
-import androidx.annotation.NonNull;
-import androidx.work.ListenableWorker;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.model.worker.DelegateWorker;
-import com.topjohnwu.magisk.tasks.CheckUpdates;
-import com.topjohnwu.magisk.view.Notifications;
-import com.topjohnwu.superuser.Shell;
-
-public class UpdateCheckService extends DelegateWorker {
-
-    @NonNull
-    @Override
-    public ListenableWorker.Result doWork() {
-        if (App.foreground() == null) {
-            Shell.getShell();
-            CheckUpdates.check(this::onCheckDone);
-        }
-        return ListenableWorker.Result.success();
-    }
-
-    private void onCheckDone() {
-        if (BuildConfig.VERSION_CODE < Config.remoteManagerVersionCode) {
-            Notifications.managerUpdate();
-        } else if (Config.magiskVersionCode < Config.remoteMagiskVersionCode) {
-            Notifications.magiskUpdate();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/model/update/UpdateCheckService.kt

@@ -0,0 +1,30 @@
+package com.topjohnwu.magisk.model.update
+
+import androidx.work.ListenableWorker
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.data.repository.MagiskRepository
+import com.topjohnwu.magisk.model.worker.DelegateWorker
+import com.topjohnwu.magisk.utils.inject
+import com.topjohnwu.magisk.view.Notifications
+import com.topjohnwu.superuser.Shell
+
+class UpdateCheckService : DelegateWorker() {
+
+    private val magiskRepo: MagiskRepository by inject()
+
+    override fun doWork(): ListenableWorker.Result {
+        // Make sure shell initializer was ran
+        Shell.getShell()
+        return runCatching {
+            magiskRepo.fetchUpdate().blockingGet()
+            if (BuildConfig.VERSION_CODE < Info.remote.app.versionCode)
+                Notifications.managerUpdate()
+            else if (Info.magiskVersionCode < Info.remote.magisk.versionCode)
+                Notifications.magiskUpdate()
+            ListenableWorker.Result.success()
+        }.getOrElse {
+            ListenableWorker.Result.failure()
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/worker/DelegateWorker.java

@@ -4,12 +4,6 @@ import android.content.Context;
 import android.net.Network;
 import android.net.Uri;
 
-import com.google.common.util.concurrent.ListenableFuture;
-
-import java.util.List;
-import java.util.Set;
-import java.util.UUID;
-
 import androidx.annotation.MainThread;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -17,6 +11,12 @@ import androidx.annotation.RequiresApi;
 import androidx.work.Data;
 import androidx.work.ListenableWorker;
 
+import com.google.common.util.concurrent.ListenableFuture;
+
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
 public abstract class DelegateWorker {
 
     private ListenableWorker worker;

app/src/main/java/com/topjohnwu/magisk/model/zip/Zip.kt

@@ -0,0 +1,75 @@
+package com.topjohnwu.magisk.model.zip
+
+import com.topjohnwu.magisk.utils.forEach
+import com.topjohnwu.magisk.utils.withStreams
+import com.topjohnwu.superuser.io.SuFile
+import java.io.File
+import java.util.zip.ZipInputStream
+
+
+class Zip private constructor(private val values: Builder) {
+
+    companion object {
+        operator fun invoke(builder: Builder.() -> Unit): Zip {
+            return Zip(Builder().apply(builder))
+        }
+    }
+
+    class Builder {
+        lateinit var zip: File
+        lateinit var destination: File
+        var excludeDirs = true
+    }
+
+    data class Path(val path: String, val pullFromDir: Boolean = true)
+
+    fun unzip(vararg paths: Pair<String, Boolean>) =
+        unzip(*paths.map { Path(it.first, it.second) }.toTypedArray())
+
+    @Suppress("RedundantLambdaArrow")
+    fun unzip(vararg paths: Path) {
+        ensureRequiredParams()
+
+        values.zip.zipStream().use {
+            it.forEach { e ->
+                val currentPath = paths.firstOrNull { e.name.startsWith(it.path) }
+                val isDirectory = values.excludeDirs && e.isDirectory
+                if (currentPath == null || isDirectory) {
+                    // Ignore directories, only create files
+                    return@forEach
+                }
+
+                val name = if (currentPath.pullFromDir) {
+                    e.name.substring(e.name.lastIndexOf('/') + 1)
+                } else {
+                    e.name
+                }
+
+                val out = File(values.destination, name)
+                    .ensureExists()
+                    .outputStream()
+                //.suOutputStream()
+
+                withStreams(it, out) { reader, writer ->
+                    reader.copyTo(writer)
+                }
+            }
+        }
+    }
+
+    private fun ensureRequiredParams() {
+        if (!values.zip.exists()) {
+            throw RuntimeException("Zip file does not exist")
+        }
+    }
+
+    private fun File.ensureExists() =
+        if ((!parentFile.exists() && !parentFile.mkdirs()) || parentFile is SuFile) {
+            SuFile(parentFile, name).apply { parentFile.mkdirs() }
+        } else {
+            this
+        }
+
+    private fun File.zipStream() = ZipInputStream(inputStream())
+
+}

app/src/main/java/com/topjohnwu/magisk/tasks/CheckUpdates.java

@@ -1,132 +0,0 @@
-package com.topjohnwu.magisk.tasks;
-
-import android.os.SystemClock;
-
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.net.Request;
-import com.topjohnwu.net.ResponseListener;
-import com.topjohnwu.superuser.ShellUtils;
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
-public class CheckUpdates {
-
-    private static Request getRequest() {
-        String url;
-        switch ((int) Config.get(Config.Key.UPDATE_CHANNEL)) {
-            case Config.Value.BETA_CHANNEL:
-                url = Const.Url.BETA_URL;
-                break;
-            case Config.Value.CUSTOM_CHANNEL:
-                url = Config.get(Config.Key.CUSTOM_CHANNEL);
-                break;
-            case Config.Value.CANARY_CHANNEL:
-                url = Const.Url.CANARY_URL;
-                break;
-            case Config.Value.CANARY_DEBUG_CHANNEL:
-                url = Const.Url.CANARY_DEBUG_URL;
-                break;
-            default:
-                url = Const.Url.STABLE_URL;
-                break;
-        }
-        return Networking.get(url);
-    }
-
-    public static void check() {
-        check(null);
-    }
-
-    public static void check(Runnable cb) {
-        Request request = getRequest();
-        UpdateListener listener = new UpdateListener(cb);
-        if (ShellUtils.onMainThread()) {
-            request.getAsJSONObject(listener);
-        } else {
-            JSONObject json = request.execForJSONObject().getResult();
-            if (json != null)
-                listener.onResponse(json);
-        }
-    }
-
-    private static class UpdateListener implements ResponseListener<JSONObject> {
-
-        private Runnable cb;
-        private long start;
-
-        UpdateListener(Runnable callback) {
-            cb = callback;
-            start = SystemClock.uptimeMillis();
-        }
-
-        private int getInt(JSONObject json, String name, int defValue) {
-            if (json == null)
-                return defValue;
-            try {
-                return json.getInt(name);
-            } catch (JSONException e) {
-                return defValue;
-            }
-        }
-
-        private String getString(JSONObject json, String name, String defValue) {
-            if (json == null)
-                return defValue;
-            try {
-                return json.getString(name);
-            } catch (JSONException e) {
-                return defValue;
-            }
-        }
-
-        private JSONObject getJson(JSONObject json, String name) {
-            try {
-                return json.getJSONObject(name);
-            } catch (JSONException e) {
-                return null;
-            }
-        }
-
-        @Override
-        public void onResponse(JSONObject json) {
-            JSONObject magisk = getJson(json, "magisk");
-            Config.remoteMagiskVersionCode = getInt(magisk, "versionCode", -1);
-
-            if ((int) Config.get(Config.Key.UPDATE_CHANNEL) == Config.Value.DEFAULT_CHANNEL) {
-                if (Config.magiskVersionCode > Config.remoteMagiskVersionCode) {
-                    // If we are newer than current stable channel, switch to beta
-                    Config.set(Config.Key.UPDATE_CHANNEL, Config.Value.BETA_CHANNEL);
-                    check(cb);
-                    return;
-                } else {
-                    Config.set(Config.Key.UPDATE_CHANNEL, Config.Value.STABLE_CHANNEL);
-                }
-            }
-
-            Config.remoteMagiskVersionString = getString(magisk, "version", null);
-            Config.magiskLink = getString(magisk, "link", null);
-            Config.magiskNoteLink = getString(magisk, "note", null);
-            Config.magiskMD5 = getString(magisk, "md5", null);
-
-            JSONObject manager = getJson(json, "app");
-            Config.remoteManagerVersionString = getString(manager, "version", null);
-            Config.remoteManagerVersionCode = getInt(manager, "versionCode", -1);
-            Config.managerLink = getString(manager, "link", null);
-            Config.managerNoteLink = getString(manager, "note", null);
-
-            JSONObject uninstaller = getJson(json, "uninstaller");
-            Config.uninstallerLink = getString(uninstaller, "link", null);
-
-            UiThreadHandler.handler.postAtTime(() -> Event.trigger(Event.UPDATE_CHECK_DONE),
-                    start + 1000  /* Add artificial delay to let UI behave correctly */);
-
-            if (cb != null)
-                cb.run();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/tasks/MagiskInstaller.java

@@ -8,8 +8,8 @@ import androidx.annotation.MainThread;
 import androidx.annotation.WorkerThread;
 
 import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.net.DownloadProgressListener;
 import com.topjohnwu.net.Networking;
@@ -123,9 +123,9 @@ public abstract class MagiskInstaller {
 
         File zip = new File(App.self.getCacheDir(), "magisk.zip");
 
-        if (!ShellUtils.checkSum("MD5", zip, Config.magiskMD5)) {
+        if (!ShellUtils.checkSum("MD5", zip, Info.remote.getMagisk().getHash())) {
             console.add("- Downloading zip");
-            Networking.get(Config.magiskLink)
+            Networking.get(Info.remote.getMagisk().getLink())
                     .setDownloadProgressListener(new ProgressLog())
                     .execForFile(zip);
         } else {
@@ -282,10 +282,10 @@ public abstract class MagiskInstaller {
             return false;
         }
 
-        if (!Shell.sh(Utils.fmt(
+        if (!Shell.sh(Utils.INSTANCE.fmt(
                 "KEEPFORCEENCRYPT=%b KEEPVERITY=%b RECOVERYMODE=%b " +
                 "sh update-binary sh boot_patch.sh %s",
-                Config.keepEnc, Config.keepVerity, Config.recovery, srcBoot))
+                Info.keepEnc, Info.keepVerity, Info.recovery, srcBoot))
                 .to(console, logs).exec().isSuccess())
             return false;
 
@@ -311,10 +311,10 @@ public abstract class MagiskInstaller {
     }
 
     protected boolean flashBoot() {
-        if (!Shell.su(Utils.fmt("direct_install %s %s", installDir, srcBoot))
+        if (!Shell.su(Utils.INSTANCE.fmt("direct_install %s %s", installDir, srcBoot))
                 .to(console, logs).exec().isSuccess())
             return false;
-        if (!Config.keepVerity)
+        if (!Info.keepVerity)
             Shell.su("patch_dtbo_image").to(console, logs).exec();
         return true;
     }

app/src/main/java/com/topjohnwu/magisk/tasks/UpdateRepos.java

@@ -6,8 +6,8 @@ import android.util.Pair;
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.Config;
 import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.data.database.RepoDatabaseHelper;
 import com.topjohnwu.magisk.model.entity.Repo;
-import com.topjohnwu.magisk.utils.Event;
 import com.topjohnwu.magisk.utils.Logger;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.net.Networking;
@@ -18,7 +18,6 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.net.HttpURLConnection;
-import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Collections;
@@ -31,16 +30,19 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 
-public class UpdateRepos {
-    private static final DateFormat DATE_FORMAT;
+import androidx.annotation.NonNull;
+import io.reactivex.Single;
 
-    private final App app = App.self;
+@Deprecated
+public class UpdateRepos {
+
+    @NonNull
+    private final RepoDatabaseHelper repoDB;
     private Set<String> cached;
     private Queue<Pair<String, Date>> moduleQueue;
 
-    static {
-        DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
-        DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
+    public UpdateRepos(@NonNull RepoDatabaseHelper repoDatabase) {
+        repoDB = repoDatabase;
     }
 
     private void runTasks(Runnable task) {
@@ -54,20 +56,32 @@ public class UpdateRepos {
                     f.get();
                 } catch (InterruptedException e) {
                     continue;
-                } catch (ExecutionException ignored) {}
+                } catch (ExecutionException ignored) {
+                }
                 break;
             }
         }
     }
 
+    /**
+     * Static instance of (Simple)DateFormat is not threadsafe so in order to make it safe it needs
+     * to be created beforehand on the same thread where it'll be used.
+     * See https://stackoverflow.com/a/18383395
+     */
+    private static SimpleDateFormat getDateFormat() {
+        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
+        format.setTimeZone(TimeZone.getTimeZone("UTC"));
+        return format;
+    }
+
     /* We sort repos by last push, which means that we only need to check whether the
      * first page is updated to determine whether the online repo database is changed
      */
     private boolean parsePage(int page) {
-        Request req = Networking.get(Utils.fmt(Const.Url.REPO_URL, page + 1));
+        Request req = Networking.get(Utils.INSTANCE.fmt(Const.Url.REPO_URL, page + 1));
         if (page == 0) {
-            String etag = Config.get(Config.Key.ETAG_KEY);
-            if (etag != null)
+            String etag = Config.getEtagKey();
+            if (!etag.isEmpty())
                 req.addHeaders(Const.Key.IF_NONE_MATCH, etag);
         }
         Request.Result<JSONArray> res = req.execForJSONArray();
@@ -84,10 +98,12 @@ public class UpdateRepos {
             return true;
 
         try {
+            SimpleDateFormat dateFormat = getDateFormat();
+
             for (int i = 0; i < res.getResult().length(); i++) {
                 JSONObject rawRepo = res.getResult().getJSONObject(i);
                 String id = rawRepo.getString("name");
-                Date date = DATE_FORMAT.parse(rawRepo.getString("pushed_at"));
+                Date date = dateFormat.parse(rawRepo.getString("pushed_at"));
                 moduleQueue.offer(new Pair<>(id, date));
             }
         } catch (JSONException | ParseException e) {
@@ -100,7 +116,7 @@ public class UpdateRepos {
             String etag = res.getConnection().getHeaderField(Config.Key.ETAG_KEY);
             if (etag != null) {
                 etag = etag.substring(etag.indexOf('\"'), etag.lastIndexOf('\"') + 1);
-                Config.set(Config.Key.ETAG_KEY, etag);
+                Config.setEtagKey(etag);
             }
         }
 
@@ -116,17 +132,17 @@ public class UpdateRepos {
                 Pair<String, Date> pair = moduleQueue.poll();
                 if (pair == null)
                     return;
-                Repo repo = app.getRepoDB().getRepo(pair.first);
+                Repo repo = repoDB.getRepo(pair.first);
                 try {
                     if (repo == null)
                         repo = new Repo(pair.first);
                     else
                         cached.remove(pair.first);
                     repo.update(pair.second);
-                    app.getRepoDB().addRepo(repo);
+                    repoDB.addRepo(repo);
                 } catch (Repo.IllegalRepoException e) {
                     Logger.debug(e.getMessage());
-                    app.getRepoDB().removeRepo(pair.first);
+                    repoDB.removeRepo(pair.first);
                 }
             }
         });
@@ -134,7 +150,7 @@ public class UpdateRepos {
     }
 
     private void fullReload() {
-        Cursor c = app.getRepoDB().getRawCursor();
+        Cursor c = repoDB.getRawCursor();
         runTasks(() -> {
             while (true) {
                 Repo repo;
@@ -145,32 +161,31 @@ public class UpdateRepos {
                 }
                 try {
                     repo.update();
-                    app.getRepoDB().addRepo(repo);
+                    repoDB.addRepo(repo);
                 } catch (Repo.IllegalRepoException e) {
                     Logger.debug(e.getMessage());
-                    app.getRepoDB().removeRepo(repo);
+                    repoDB.removeRepo(repo);
                 }
             }
         });
     }
 
-    public void exec(boolean force) {
-        Event.reset(Event.REPO_LOAD_DONE);
-        App.THREAD_POOL.execute(() -> {
-            cached = Collections.synchronizedSet(app.getRepoDB().getRepoIDSet());
+    public Single<Boolean> exec(boolean force) {
+        return Single.fromCallable(() -> {
+            cached = Collections.synchronizedSet(repoDB.getRepoIDSet());
             moduleQueue = new ConcurrentLinkedQueue<>();
 
             if (loadPages()) {
                 // The leftover cached means they are removed from online repo
-                app.getRepoDB().removeRepo(cached);
+                repoDB.removeRepo(cached);
             } else if (force) {
                 fullReload();
             }
-            Event.trigger(Event.REPO_LOAD_DONE);
+            return force; // not important
         });
     }
 
-    public void exec() {
-        exec(false);
+    public Single<Boolean> exec() {
+        return exec(false);
     }
 }

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt

@@ -7,6 +7,7 @@ import androidx.fragment.app.Fragment
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const.Key.OPEN_SECTION
+import com.topjohnwu.magisk.Info
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.databinding.ActivityMainBinding
 import com.topjohnwu.magisk.model.navigation.Navigation
@@ -48,7 +49,7 @@ open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         if (!SplashActivity.DONE) {
-            startActivity(Intent(this, ClassMap.get<Any>(SplashActivity::class.java)))
+            startActivity(Intent(this, ClassMap[SplashActivity::class.java]))
             finish()
         }
 
@@ -105,11 +106,11 @@ open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
     private fun checkHideSection() {
         val menu = binding.navView.menu
         menu.findItem(R.id.magiskHideFragment).isVisible =
-            Shell.rootAccess() && Config.get<Any>(Config.Key.MAGISKHIDE) as Boolean
+            Shell.rootAccess() && Config.magiskHide
         menu.findItem(R.id.modulesFragment).isVisible =
-            Shell.rootAccess() && Config.magiskVersionCode >= 0
+            Shell.rootAccess() && Info.magiskVersionCode >= 0
         menu.findItem(R.id.reposFragment).isVisible =
-            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Config.magiskVersionCode >= 0)
+            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Info.magiskVersionCode >= 0)
         menu.findItem(R.id.logFragment).isVisible =
             Shell.rootAccess()
         menu.findItem(R.id.superuserFragment).isVisible =

app/src/main/java/com/topjohnwu/magisk/ui/SplashActivity.kt

@@ -6,14 +6,12 @@ import android.text.TextUtils
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import com.topjohnwu.magisk.*
-import com.topjohnwu.magisk.tasks.CheckUpdates
-import com.topjohnwu.magisk.tasks.UpdateRepos
-import com.topjohnwu.magisk.utils.LocaleManager
+import com.topjohnwu.magisk.data.database.SettingsDao
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.magisk.view.Shortcuts
-import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
+import org.koin.android.ext.android.get
 
 open class SplashActivity : AppCompatActivity() {
 
@@ -21,7 +19,7 @@ open class SplashActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
 
         Shell.getShell {
-            if (Config.magiskVersionCode > 0 && Config.magiskVersionCode < Const.MAGISK_VER.MIN_SUPPORT) {
+            if (Info.magiskVersionCode > 0 && Info.magiskVersionCode < Const.MagiskVersion.MIN_SUPPORT) {
                 AlertDialog.Builder(this)
                     .setTitle(R.string.unsupport_magisk_title)
                     .setMessage(R.string.unsupport_magisk_message)
@@ -35,9 +33,9 @@ open class SplashActivity : AppCompatActivity() {
     }
 
     private fun initAndStart() {
-        val pkg = Config.get<String>(Config.Key.SU_MANAGER)
-        if (pkg != null && packageName == BuildConfig.APPLICATION_ID) {
-            Config.remove(Config.Key.SU_MANAGER)
+        val pkg = Config.suManager
+        if (Config.suManager.isNotEmpty() && packageName == BuildConfig.APPLICATION_ID) {
+            get<SettingsDao>().delete(Config.Key.SU_MANAGER)
             Shell.su("pm uninstall $pkg").submit()
         }
         if (TextUtils.equals(pkg, packageName)) {
@@ -48,9 +46,6 @@ open class SplashActivity : AppCompatActivity() {
             }
         }
 
-        // Dynamic detect all locales
-        LocaleManager.loadAvailableLocales(R.string.app_changelog)
-
         // Set default configs
         Config.initialize()
 
@@ -59,21 +54,11 @@ open class SplashActivity : AppCompatActivity() {
 
         // Schedule periodic update checks
         Utils.scheduleUpdateCheck()
-        CheckUpdates.check()
 
         // Setup shortcuts
         Shortcuts.setup(this)
 
-        // Magisk working as expected
-        if (Shell.rootAccess() && Config.magiskVersionCode > 0) {
-            // Load modules
-            Utils.loadModules(false)
-            // Load repos
-            if (Networking.checkNetworkStatus(this))
-                UpdateRepos().exec()
-        }
-
-        val intent = Intent(this, ClassMap.get<Any>(MainActivity::class.java))
+        val intent = Intent(this, ClassMap[MainActivity::class.java])
         intent.putExtra(Const.Key.OPEN_SECTION, getIntent().getStringExtra(Const.Key.OPEN_SECTION))
         DONE = true
         startActivity(intent)

app/src/main/java/com/topjohnwu/magisk/ui/base/ActivityResultListener.kt

@@ -1,7 +0,0 @@
-package com.topjohnwu.magisk.ui.base
-
-import android.content.Intent
-
-interface ActivityResultListener {
-    fun onActivityResult(resultCode: Int, data: Intent?)
-}

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

@@ -1,81 +0,0 @@
-package com.topjohnwu.magisk.ui.base;
-
-import android.annotation.SuppressLint;
-import android.content.SharedPreferences;
-import android.os.Build;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Event;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
-import androidx.preference.PreferenceFragmentCompat;
-import androidx.preference.PreferenceGroupAdapter;
-import androidx.preference.PreferenceScreen;
-import androidx.preference.PreferenceViewHolder;
-import androidx.recyclerview.widget.RecyclerView;
-
-public abstract class BasePreferenceFragment extends PreferenceFragmentCompat
-        implements SharedPreferences.OnSharedPreferenceChangeListener, Event.AutoListener {
-
-    public App app = App.self;
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View v = super.onCreateView(inflater, container, savedInstanceState);
-        app.getPrefs().registerOnSharedPreferenceChangeListener(this);
-        Event.register(this);
-        return v;
-    }
-
-    @Override
-    public void onDestroyView() {
-        app.getPrefs().unregisterOnSharedPreferenceChangeListener(this);
-        Event.unregister(this);
-        super.onDestroyView();
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[0];
-    }
-
-    @Override
-    protected RecyclerView.Adapter onCreateAdapter(PreferenceScreen preferenceScreen) {
-        return new PreferenceGroupAdapter(preferenceScreen) {
-            @SuppressLint("RestrictedApi")
-            @Override
-            public void onBindViewHolder(PreferenceViewHolder holder, int position) {
-                super.onBindViewHolder(holder, position);
-                Preference preference = getItem(position);
-                if (preference instanceof PreferenceCategory)
-                    setZeroPaddingToLayoutChildren(holder.itemView);
-                else {
-                    View iconFrame = holder.itemView.findViewById(R.id.icon_frame);
-                    if (iconFrame != null) {
-                        iconFrame.setVisibility(preference.getIcon() == null ? View.GONE : View.VISIBLE);
-                    }
-                }
-            }
-        };
-    }
-
-    private void setZeroPaddingToLayoutChildren(View view) {
-        if (!(view instanceof ViewGroup))
-            return;
-        ViewGroup viewGroup = (ViewGroup) view;
-        int childCount = viewGroup.getChildCount();
-        for (int i = 0; i < childCount; i++) {
-            setZeroPaddingToLayoutChildren(viewGroup.getChildAt(i));
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
-                viewGroup.setPaddingRelative(0, viewGroup.getPaddingTop(), viewGroup.getPaddingEnd(), viewGroup.getPaddingBottom());
-            else
-                viewGroup.setPadding(0, viewGroup.getPaddingTop(), viewGroup.getPaddingRight(), viewGroup.getPaddingBottom());
-        }
-    }
-}

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

@@ -0,0 +1,67 @@
+package com.topjohnwu.magisk.ui.base
+
+import android.annotation.SuppressLint
+import android.content.SharedPreferences
+import android.os.Build
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.children
+import androidx.core.view.isVisible
+import androidx.preference.*
+import androidx.recyclerview.widget.RecyclerView
+import com.topjohnwu.magisk.App
+import com.topjohnwu.magisk.R
+import org.koin.android.ext.android.inject
+
+abstract class BasePreferenceFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener {
+
+    protected val prefs: SharedPreferences by inject()
+    protected val app: App by inject()
+
+    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()
+    }
+
+    override fun onCreateAdapter(preferenceScreen: PreferenceScreen): RecyclerView.Adapter<*> {
+        return object : PreferenceGroupAdapter(preferenceScreen) {
+            @SuppressLint("RestrictedApi")
+            override fun onBindViewHolder(holder: PreferenceViewHolder, position: Int) {
+                super.onBindViewHolder(holder, position)
+                when (val preference = getItem(position)) {
+                    is PreferenceCategory -> setZeroPaddingToLayoutChildren(holder.itemView)
+                    else -> holder.itemView.findViewById<View>(R.id.icon_frame)?.isVisible =
+                        preference.icon != null
+                }
+            }
+        }
+    }
+
+    private fun setZeroPaddingToLayoutChildren(view: View) {
+        (view as? ViewGroup)?.children?.forEach {
+            setZeroPaddingToLayoutChildren(it)
+        } ?: return
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
+            view.setPaddingRelative(0, view.paddingTop, view.paddingEnd, view.paddingBottom)
+        else
+            view.setPadding(0, view.paddingTop, view.paddingRight, view.paddingBottom)
+    }
+
+    protected fun <T: Preference> findPref(key: CharSequence): T {
+        return findPreference(key) as T
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/base/IBaseLeanback.kt

@@ -1,11 +0,0 @@
-package com.topjohnwu.magisk.ui.base
-
-import android.content.Intent
-
-interface IBaseLeanback {
-
-    fun runWithExternalRW(callback: Runnable)
-    fun runWithPermissions(vararg permissions: String, callback: Runnable)
-    fun startActivityForResult(intent: Intent, requestCode: Int, listener: ActivityResultListener)
-
-}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskActivity.kt

@@ -1,10 +1,13 @@
 package com.topjohnwu.magisk.ui.base
 
+import android.Manifest
+import android.content.Context
 import android.content.Intent
 import android.content.res.Configuration
 import android.os.Bundle
 import androidx.annotation.CallSuper
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.collection.SparseArrayCompat
 import androidx.core.net.toUri
 import androidx.databinding.ViewDataBinding
 import androidx.fragment.app.Fragment
@@ -16,6 +19,7 @@ import com.karumi.dexter.listener.PermissionRequest
 import com.karumi.dexter.listener.multi.MultiplePermissionsListener
 import com.ncapdevi.fragnav.FragNavController
 import com.ncapdevi.fragnav.FragNavTransactionOptions
+import com.skoumal.teanity.view.TeanityActivity
 import com.skoumal.teanity.viewevents.ViewEvent
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.model.events.BackPressEvent
@@ -27,16 +31,20 @@ import com.topjohnwu.magisk.model.navigation.Navigator
 import com.topjohnwu.magisk.model.permissions.PermissionRequestBuilder
 import com.topjohnwu.magisk.utils.LocaleManager
 import com.topjohnwu.magisk.utils.Utils
+import com.topjohnwu.magisk.utils.set
 import timber.log.Timber
 import kotlin.reflect.KClass
 
+typealias RequestCallback = MagiskActivity<*, *>.(Int, Intent?) -> Unit
 
 abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
-    MagiskLeanbackActivity<ViewModel, Binding>(), FragNavController.RootFragmentListener,
-    Navigator, FragNavController.TransactionListener {
+        TeanityActivity<ViewModel, Binding>(), FragNavController.RootFragmentListener,
+        Navigator, FragNavController.TransactionListener {
 
     override val numberOfRootFragments: Int get() = baseFragments.size
     override val baseFragments: List<KClass<out Fragment>> = listOf()
+    private val resultCallbacks = SparseArrayCompat<RequestCallback>()
+
 
     protected open val defaultPosition: Int = 0
 
@@ -50,14 +58,12 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
         get() = navigationController?.let { it.currentStackIndex != defaultPosition } ?: false
 
     init {
-        val isDarkTheme = Config.get<Boolean>(Config.Key.DARK_THEME)
-        val theme = if (isDarkTheme) {
+        val theme = if (Config.darkTheme) {
             AppCompatDelegate.MODE_NIGHT_YES
         } else {
             AppCompatDelegate.MODE_NIGHT_NO
         }
         AppCompatDelegate.setDefaultNightMode(theme)
-        AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
     }
 
     override fun applyOverrideConfiguration(config: Configuration?) {
@@ -66,6 +72,10 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
         super.applyOverrideConfiguration(config)
     }
 
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(LocaleManager.getLocaleContext(base, LocaleManager.locale))
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         navigationController?.apply {
@@ -185,19 +195,23 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
         Dexter.withActivity(this)
             .withPermissions(*permissions)
             .withListener(object : MultiplePermissionsListener {
-                override fun onPermissionsChecked(report: MultiplePermissionsReport?) =
-                    if (report?.areAllPermissionsGranted() == true) {
+                override fun onPermissionsChecked(report: MultiplePermissionsReport) {
+                    if (report.areAllPermissionsGranted()) {
                         request.onSuccess()
                     } else {
                         request.onFailure()
                     }
+                }
 
                 override fun onPermissionRationaleShouldBeShown(
-                    permissions: MutableList<PermissionRequest>?,
-                    token: PermissionToken?
-                ) = request.onShowRationale(permissions.orEmpty().map { it.name })
-            })
-            .check()
+                    permissions: MutableList<PermissionRequest>,
+                    token: PermissionToken
+                ) = token.continuePermissionRequest()
+            }).check()
+    }
+
+    fun withExternalRW(builder: PermissionRequestBuilder.() -> Unit) {
+        withPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, builder = builder)
     }
 
     private fun FragNavTransactionOptions.Builder.customAnimations(options: MagiskAnimBuilder) =
@@ -207,4 +221,21 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
             }
         }
 
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        resultCallbacks[requestCode]?.apply {
+            resultCallbacks.remove(requestCode)
+            invoke(this@MagiskActivity, resultCode, data)
+        }
+    }
+
+    fun startActivityForResult(
+            intent: Intent,
+            requestCode: Int,
+            listener: RequestCallback
+    ) {
+        resultCallbacks[requestCode] = listener
+        startActivityForResult(intent, requestCode)
+    }
+
 }

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskLeanbackActivity.kt

@@ -1,64 +0,0 @@
-package com.topjohnwu.magisk.ui.base
-
-import android.Manifest
-import android.content.Intent
-import androidx.collection.SparseArrayCompat
-import androidx.databinding.ViewDataBinding
-import com.karumi.dexter.Dexter
-import com.karumi.dexter.MultiplePermissionsReport
-import com.karumi.dexter.PermissionToken
-import com.karumi.dexter.listener.PermissionRequest
-import com.karumi.dexter.listener.multi.MultiplePermissionsListener
-import com.skoumal.teanity.view.TeanityActivity
-import com.topjohnwu.magisk.Const
-
-abstract class MagiskLeanbackActivity<ViewModel : MagiskViewModel, Binding : ViewDataBinding> :
-    TeanityActivity<ViewModel, Binding>(), IBaseLeanback {
-
-    private val resultListeners = SparseArrayCompat<ActivityResultListener>()
-
-    @Deprecated("Permissions will be checked in a different streamlined way")
-    fun runWithExternalRW(callback: () -> Unit) = runWithExternalRW(Runnable { callback() })
-
-    @Deprecated("Permissions will be checked in a different streamlined way")
-    override fun runWithExternalRW(callback: Runnable) {
-        runWithPermissions(Manifest.permission.WRITE_EXTERNAL_STORAGE, callback = callback)
-    }
-
-    @Deprecated("Permissions will be checked in a different streamlined way")
-    override fun runWithPermissions(vararg permissions: String, callback: Runnable) {
-        Dexter.withActivity(this)
-            .withPermissions(*permissions)
-            .withListener(object : MultiplePermissionsListener {
-                override fun onPermissionsChecked(report: MultiplePermissionsReport?) {
-                    if (report?.areAllPermissionsGranted() == true) {
-                        Const.EXTERNAL_PATH.mkdirs()
-                        callback.run()
-                    }
-                }
-
-                override fun onPermissionRationaleShouldBeShown(
-                    permissions: MutableList<PermissionRequest>?,
-                    token: PermissionToken?
-                ) = Unit
-            })
-            .check()
-    }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        resultListeners.get(requestCode)?.apply {
-            resultListeners.remove(requestCode)
-            onActivityResult(resultCode, data)
-        }
-    }
-
-    override fun startActivityForResult(
-        intent: Intent,
-        requestCode: Int,
-        listener: ActivityResultListener
-    ) {
-        resultListeners.put(requestCode, listener)
-        startActivityForResult(intent, requestCode)
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/base/MagiskViewModel.kt

@@ -6,16 +6,11 @@ import com.skoumal.teanity.viewmodel.LoadingViewModel
 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.Event
 import io.reactivex.Observable
 import io.reactivex.subjects.PublishSubject
-import timber.log.Timber
 
 
-abstract class MagiskViewModel : LoadingViewModel(), Event.AutoListener {
-
-    override fun onEvent(event: Int) = Timber.i("Event of $event was not handled")
-    override fun getListeningEvents(): IntArray = intArrayOf()
+abstract class MagiskViewModel : LoadingViewModel() {
 
     fun withView(action: Activity.() -> Unit) {
         ViewActionEvent(action).publish()

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashViewModel.kt

@@ -103,7 +103,7 @@ class FlashViewModel(
         .subscribeK { SnackbarEvent(it).publish() }
         .add()
 
-    fun restartPressed() = RootUtils.reboot()
+    fun restartPressed() = reboot()
 
     fun backPressed() = back()
 

app/src/main/java/com/topjohnwu/magisk/ui/hide/HideViewModel.kt

@@ -1,32 +1,26 @@
 package com.topjohnwu.magisk.ui.hide
 
 import android.content.pm.ApplicationInfo
-import android.content.pm.PackageManager
 import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.rxbus.RxBus
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
-import com.topjohnwu.magisk.App
 import com.topjohnwu.magisk.BR
-import com.topjohnwu.magisk.model.entity.HideAppInfo
-import com.topjohnwu.magisk.model.entity.HideTarget
+import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
 import com.topjohnwu.magisk.model.entity.recycler.HideRvItem
 import com.topjohnwu.magisk.model.entity.state.IndeterminateState
 import com.topjohnwu.magisk.model.events.HideProcessEvent
 import com.topjohnwu.magisk.ui.base.MagiskViewModel
-import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.utils.toSingle
 import com.topjohnwu.magisk.utils.update
-import com.topjohnwu.superuser.Shell
-import io.reactivex.Single
 import me.tatarka.bindingcollectionadapter2.OnItemBind
 import timber.log.Timber
 
 class HideViewModel(
-    private val packageManager: PackageManager,
+    private val magiskRepo: MagiskRepository,
     rxBus: RxBus
 ) : MagiskViewModel() {
 
@@ -55,26 +49,19 @@ class HideViewModel(
         // fetching this for every item is nonsensical, so we add .cache() so the response is all
         // the same for every single mapped item, it only actually executes the whole thing the
         // first time around.
-        val hideTargets = Shell.su("magiskhide --ls").toSingle()
-            .map { it.exec().out }
-            .flattenAsFlowable { it }
-            .map { HideTarget(it) }
-            .toList()
-            .cache()
+        val hideTargets = magiskRepo.fetchHideTargets().cache()
 
-        Single.fromCallable { packageManager.getInstalledApplications(0) }
+        magiskRepo.fetchApps()
             .flattenAsFlowable { it }
-            .filter { it.enabled && !blacklist.contains(it.packageName) }
-            .map {
-                val label = Utils.getAppLabel(it, packageManager)
-                val icon = it.loadIcon(packageManager)
-                HideAppInfo(it, label, icon)
-            }
-            .filter { it.processes.isNotEmpty() }
             .map { HideRvItem(it, hideTargets.blockingGet()) }
             .toList()
-            .map { it.sortWith(compareBy(
-                    {it.isHiddenState.value}, {it.item.name}, {it.packageName})); it }
+            .map {
+                it.sortedWith(compareBy(
+                    { it.isHiddenState.value },
+                    { it.item.name.toLowerCase() },
+                    { it.packageName }
+                ))
+            }
             .doOnSuccess { allItems.update(it) }
             .flatMap { queryRaw() }
             .applyViewModel(this)
@@ -103,26 +90,9 @@ class HideViewModel(
         .toList()
         .map { it to items.calculateDiff(it) }
 
-    private fun toggleItem(item: HideProcessRvItem) {
-        val state = if (item.isHidden.value) "add" else "rm"
-        "magiskhide --%s %s %s".format(state, item.packageName, item.process)
-            .let { Shell.su(it) }
-            .toSingle()
-            .map { it.submit() }
-            .subscribeK()
-    }
-
-    companion object {
-        private val blacklist = listOf(
-            App.self.packageName,
-            "android",
-            "com.android.chrome",
-            "com.chrome.beta",
-            "com.chrome.dev",
-            "com.chrome.canary",
-            "com.android.webview",
-            "com.google.android.webview"
-        )
-    }
+    private fun toggleItem(item: HideProcessRvItem) = magiskRepo
+        .toggleHide(item.isHidden.value, item.packageName, item.process)
+        .subscribeK()
+        .add()
 
 }

app/src/main/java/com/topjohnwu/magisk/ui/hide/MagiskHideFragment.kt

@@ -28,7 +28,7 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
             (findItem(R.id.app_search).actionView as? SearchView)
                 ?.setOnQueryTextListener(this@MagiskHideFragment)
 
-            val showSystem = Config.get<Boolean>(Config.Key.SHOW_SYSTEM_APP)
+            val showSystem = Config.showSystemApp
 
             findItem(R.id.show_system).isChecked = showSystem
             viewModel.isShowSystem.value = showSystem
@@ -39,10 +39,8 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
         if (item.itemId == R.id.show_system) {
             val showSystem = !item.isChecked
             item.isChecked = showSystem
-            Config.set(Config.Key.SHOW_SYSTEM_APP, showSystem)
+            Config.showSystemApp = showSystem
             viewModel.isShowSystem.value = showSystem
-            //adapter!!.setShowSystem(showSystem)
-            //adapter!!.filter(search!!.query.toString())
         }
         return true
     }
@@ -56,9 +54,4 @@ class MagiskHideFragment : MagiskFragment<HideViewModel, FragmentMagiskHideBindi
         viewModel.query.value = query.orEmpty()
         return false
     }
-
-    /*override fun onEvent(event: Int) {
-        //mSwipeRefreshLayout!!.isRefreshing = false
-        adapter!!.filter(search!!.query.toString())
-    }*/
 }

app/src/main/java/com/topjohnwu/magisk/ui/home/HomeFragment.kt

@@ -1,16 +1,20 @@
 package com.topjohnwu.magisk.ui.home
 
 import android.app.Activity
+import android.os.Bundle
+import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.viewevents.ViewEvent
 import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.databinding.FragmentMagiskBinding
 import com.topjohnwu.magisk.model.events.*
 import com.topjohnwu.magisk.ui.base.MagiskActivity
 import com.topjohnwu.magisk.ui.base.MagiskFragment
 import com.topjohnwu.magisk.utils.ISafetyNetHelper
+import com.topjohnwu.magisk.utils.copyTo
+import com.topjohnwu.magisk.utils.inject
 import com.topjohnwu.magisk.view.MarkDownWindow
 import com.topjohnwu.magisk.view.dialogs.*
-import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
 import dalvik.system.DexClassLoader
 import org.koin.androidx.viewmodel.ext.android.viewModel
@@ -21,6 +25,8 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
 
     override val layoutRes: Int = R.layout.fragment_magisk
     override val viewModel: HomeViewModel by viewModel()
+    val magiskRepo: MagiskRepository by inject()
+    lateinit var EXT_FILE: File
 
     override fun onResponse(responseCode: Int) = viewModel.finishSafetyNetCheck(responseCode)
 
@@ -37,6 +43,11 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
         }
     }
 
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        EXT_FILE = File("${requireActivity().filesDir.parent}/snet", "snet.apk")
+    }
+
     override fun onStart() {
         super.onStart()
         setHasOptionsMenu(true)
@@ -45,7 +56,7 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
 
     private fun installMagisk() {
         // Show Manager update first
-        if (Config.remoteManagerVersionCode > BuildConfig.VERSION_CODE) {
+        if (Info.remote.app.versionCode > BuildConfig.VERSION_CODE) {
             installManager()
             return
         }
@@ -61,9 +72,9 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
         .show(requireActivity(), null, resources.openRawResource(R.raw.changelog))
 
     private fun downloadSafetyNet(requiresUserInput: Boolean = true) {
-        fun download() = Networking
-            .get(Const.Url.SNET_URL)
-            .getAsFile(EXT_APK) { updateSafetyNet(true) }
+        fun download() = magiskRepo.fetchSafetynet()
+                .map { it.byteStream().copyTo(EXT_FILE) }
+                .subscribeK { updateSafetyNet(true) }
 
         if (!requiresUserInput) {
             download()

app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt

@@ -1,29 +1,29 @@
 package com.topjohnwu.magisk.ui.home
 
-import android.content.Context
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.doOnSubscribeUi
+import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.KObservableField
-import com.topjohnwu.magisk.BuildConfig
-import com.topjohnwu.magisk.Config
-import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.model.events.*
 import com.topjohnwu.magisk.model.observer.Observer
-import com.topjohnwu.magisk.tasks.CheckUpdates
 import com.topjohnwu.magisk.ui.base.MagiskViewModel
-import com.topjohnwu.magisk.utils.*
-import com.topjohnwu.net.Networking
+import com.topjohnwu.magisk.utils.ISafetyNetHelper
+import com.topjohnwu.magisk.utils.packageName
+import com.topjohnwu.magisk.utils.res
+import com.topjohnwu.magisk.utils.toggle
 import com.topjohnwu.superuser.Shell
 
 
 class HomeViewModel(
-    private val context: Context
+    private val magiskRepo: MagiskRepository
 ) : MagiskViewModel() {
 
     val isAdvancedExpanded = KObservableField(false)
 
-    val isForceEncryption = KObservableField(Config.keepEnc)
-    val isKeepVerity = KObservableField(Config.keepVerity)
+    val isForceEncryption = KObservableField(Info.keepEnc)
+    val isKeepVerity = KObservableField(Info.keepVerity)
 
     val magiskState = KObservableField(MagiskState.LOADING)
     val magiskStateText = Observer(magiskState) {
@@ -38,7 +38,7 @@ class HomeViewModel(
     val magiskCurrentVersion = KObservableField("")
     val magiskLatestVersion = KObservableField("")
     val magiskAdditionalInfo = Observer(magiskState) {
-        if (Config.get<Boolean>(Config.Key.COREONLY))
+        if (Config.coreOnly)
             R.string.core_only_enabled.res()
         else
             ""
@@ -83,25 +83,16 @@ class HomeViewModel(
     private var shownDialog = false
 
     init {
-        Event.register(this)
-
         isForceEncryption.addOnPropertyChangedCallback {
-            Config.keepEnc = it ?: return@addOnPropertyChangedCallback
+            Info.keepEnc = it ?: return@addOnPropertyChangedCallback
         }
         isKeepVerity.addOnPropertyChangedCallback {
-            Config.keepVerity = it ?: return@addOnPropertyChangedCallback
+            Info.keepVerity = it ?: return@addOnPropertyChangedCallback
         }
 
         refresh()
     }
 
-    override fun onEvent(event: Int) {
-        updateSelf()
-        ensureEnv()
-    }
-
-    override fun getListeningEvents(): IntArray = intArrayOf(Event.UPDATE_CHECK_DONE)
-
     fun paypalPressed() = OpenLinkEvent(Const.Url.PAYPAL_URL).publish()
     fun patreonPressed() = OpenLinkEvent(Const.Url.PATREON_URL).publish()
     fun twitterPressed() = OpenLinkEvent(Const.Url.TWITTER_URL).publish()
@@ -160,43 +151,41 @@ class HomeViewModel(
     }
 
     fun refresh() {
-        state = State.LOADING
-        magiskState.value = MagiskState.LOADING
-        managerState.value = MagiskState.LOADING
-        ctsState.value = SafetyNetState.IDLE
-        basicIntegrityState.value = SafetyNetState.IDLE
-        safetyNetTitle.value = R.string.safetyNet_check_text
-        Event.reset(this)
-        Config.remoteMagiskVersionString = null
-        Config.remoteMagiskVersionCode = -1
+        magiskRepo.fetchUpdate()
+            .applyViewModel(this)
+            .doOnSubscribeUi {
+                magiskState.value = MagiskState.LOADING
+                managerState.value = MagiskState.LOADING
+                ctsState.value = SafetyNetState.IDLE
+                basicIntegrityState.value = SafetyNetState.IDLE
+                safetyNetTitle.value = R.string.safetyNet_check_text
+            }
+            .subscribeK {
+                updateSelf()
+                ensureEnv()
+            }
 
         hasRoot.value = Shell.rootAccess()
-
-        if (Networking.checkNetworkStatus(context)) {
-            CheckUpdates.check()
-        } else {
-            state = State.LOADING_FAILED
-        }
     }
 
     private fun updateSelf() {
         state = State.LOADED
-        magiskState.value = when (Config.magiskVersionCode) {
+        magiskState.value = when (Info.magiskVersionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED
-            !in Config.remoteMagiskVersionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
+            !in Info.remote.magisk.versionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE
         }
 
         magiskCurrentVersion.value = if (magiskState.value != MagiskState.NOT_INSTALLED) {
-            version.format(Config.magiskVersionString, Config.magiskVersionCode)
+            version.format(Info.magiskVersionString, Info.magiskVersionCode)
         } else {
             ""
         }
 
         magiskLatestVersion.value = version
-            .format(Config.remoteMagiskVersionString, Config.remoteMagiskVersionCode)
+            .format(Info.remote.magisk.version, Info.remote.magisk.versionCode)
 
-        managerState.value = when (Config.remoteManagerVersionCode) {
+        managerState.value = when (Info.remote.app.versionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED //wrong update channel
             in (BuildConfig.VERSION_CODE + 1)..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE
@@ -206,7 +195,7 @@ class HomeViewModel(
             .format(BuildConfig.VERSION_NAME, BuildConfig.VERSION_CODE)
 
         managerLatestVersion.value = version
-            .format(Config.remoteManagerVersionString, Config.remoteManagerVersionCode)
+            .format(Info.remote.app.version, Info.remote.app.versionCode)
     }
 
     private fun ensureEnv() {

app/src/main/java/com/topjohnwu/magisk/ui/log/LogViewModel.kt

@@ -1,10 +1,9 @@
 package com.topjohnwu.magisk.ui.log
 
 import android.content.res.Resources
-import androidx.databinding.ObservableArrayList
 import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
-import com.skoumal.teanity.extensions.doOnSuccessUi
+import com.skoumal.teanity.extensions.doOnSubscribeUi
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
@@ -12,14 +11,15 @@ import com.skoumal.teanity.viewevents.SnackbarEvent
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.data.database.MagiskDB
-import com.topjohnwu.magisk.model.entity.recycler.*
+import com.topjohnwu.magisk.data.repository.LogRepository
+import com.topjohnwu.magisk.model.binding.BindingAdapter
+import com.topjohnwu.magisk.model.entity.recycler.ConsoleRvItem
+import com.topjohnwu.magisk.model.entity.recycler.LogItemRvItem
+import com.topjohnwu.magisk.model.entity.recycler.LogRvItem
+import com.topjohnwu.magisk.model.entity.recycler.MagiskLogRvItem
 import com.topjohnwu.magisk.model.events.PageChangedEvent
 import com.topjohnwu.magisk.ui.base.MagiskViewModel
-import com.topjohnwu.magisk.utils.toSingle
-import com.topjohnwu.magisk.utils.zip
 import com.topjohnwu.superuser.Shell
-import io.reactivex.Single
 import me.tatarka.bindingcollectionadapter2.BindingViewPagerAdapter
 import me.tatarka.bindingcollectionadapter2.OnItemBind
 import java.io.File
@@ -28,9 +28,10 @@ import java.util.*
 
 class LogViewModel(
     private val resources: Resources,
-    private val database: MagiskDB
+    private val logRepo: LogRepository
 ) : MagiskViewModel(), BindingViewPagerAdapter.PageTitles<ComparableRvItem<*>> {
 
+    val itemsAdapter = BindingAdapter()
     val items = DiffObservableList(ComparableRvItem.callback)
     val itemBinding = OnItemBind<ComparableRvItem<*>> { itemBinding, _, item ->
         item.bind(itemBinding)
@@ -42,6 +43,8 @@ class LogViewModel(
     private val logItem get() = items[0] as LogRvItem
     private val magiskLogItem get() = items[1] as MagiskLogRvItem
 
+    val scrollPosition = KObservableField(0)
+
     init {
         currentPage.addOnPropertyChangedCallback {
             it ?: return@addOnPropertyChangedCallback
@@ -58,9 +61,14 @@ class LogViewModel(
         else -> ""
     }
 
-    fun refresh() = zip(updateLogs(), updateMagiskLog()) { _, _ -> true }
-        .subscribeK()
-        .add()
+    fun scrollDownPressed() {
+        scrollPosition.value = magiskLogItem.items.size - 1
+    }
+
+    fun refresh() {
+        fetchLogs().subscribeK { logItem.update(it) }
+        fetchMagiskLog().subscribeK { magiskLogItem.update(it) }
+    }
 
     fun saveLog() {
         val now = Calendar.getInstance()
@@ -88,35 +96,25 @@ class LogViewModel(
         else -> Unit
     }
 
-    private fun clearLogs(callback: () -> Unit) {
-        Single.fromCallable { database.clearLogs() }
-            .subscribeK {
-                SnackbarEvent(R.string.logs_cleared).publish()
-                callback()
-            }
-            .add()
-    }
+    private fun clearLogs(callback: () -> Unit) = logRepo.clearLogs()
+        .doOnSubscribeUi(callback)
+        .subscribeK { SnackbarEvent(R.string.logs_cleared).publish() }
+        .add()
 
-    private fun clearMagiskLogs(callback: () -> Unit) {
-        Shell.su("echo -n > " + Const.MAGISK_LOG).submit {
-            SnackbarEvent(R.string.logs_cleared).publish()
-            callback()
-        }
-    }
+    private fun clearMagiskLogs(callback: () -> Unit) = logRepo.clearMagiskLogs()
+        .ignoreElement()
+        .doOnComplete(callback)
+        .subscribeK { SnackbarEvent(R.string.logs_cleared).publish() }
+        .add()
 
-    private fun updateLogs() = Single.fromCallable { database.logs }
+    private fun fetchLogs() = logRepo.fetchLogs()
         .flattenAsFlowable { it }
-        .map { it.map { LogItemEntryRvItem(it) } }
-        .map { LogItemRvItem(ObservableArrayList<ComparableRvItem<*>>().apply { addAll(it) }) }
+        .map { LogItemRvItem(it) }
         .toList()
-        .doOnSuccessUi { logItem.update(it) }
 
-    private fun updateMagiskLog() = Shell.su("tail -n 5000 ${Const.MAGISK_LOG}").toSingle()
-        .map { it.exec() }
-        .map { it.out }
+    private fun fetchMagiskLog() = logRepo.fetchMagiskLogs()
         .flattenAsFlowable { it }
         .map { ConsoleRvItem(it) }
         .toList()
-        .doOnSuccessUi { magiskLogItem.update(it) }
 
 }

app/src/main/java/com/topjohnwu/magisk/ui/module/ModuleViewModel.kt

@@ -2,16 +2,15 @@ package com.topjohnwu.magisk.ui.module
 
 import android.content.res.Resources
 import android.database.Cursor
-import androidx.annotation.StringRes
 import com.skoumal.teanity.databinding.ComparableRvItem
 import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
+import com.skoumal.teanity.extensions.doOnSuccessUi
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
-import com.topjohnwu.magisk.model.entity.Module
 import com.topjohnwu.magisk.model.entity.Repo
 import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem
 import com.topjohnwu.magisk.model.entity.recycler.RepoRvItem
@@ -21,7 +20,6 @@ import com.topjohnwu.magisk.model.events.OpenChangelogEvent
 import com.topjohnwu.magisk.model.events.OpenFilePickerEvent
 import com.topjohnwu.magisk.tasks.UpdateRepos
 import com.topjohnwu.magisk.ui.base.MagiskViewModel
-import com.topjohnwu.magisk.utils.Event
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.utils.toSingle
 import com.topjohnwu.magisk.utils.update
@@ -30,8 +28,9 @@ import io.reactivex.disposables.Disposable
 import me.tatarka.bindingcollectionadapter2.OnItemBind
 
 class ModuleViewModel(
-    private val repoDatabase: RepoDatabaseHelper,
-    private val resources: Resources
+        private val resources: Resources,
+        private val repoDatabase: RepoDatabaseHelper,
+        private val repoUpdater: UpdateRepos
 ) : MagiskViewModel() {
 
     val query = KObservableField("")
@@ -52,36 +51,23 @@ class ModuleViewModel(
             queryDisposable?.dispose()
             queryDisposable = query()
         }
-        Event.register(this)
-        refresh()
-    }
-
-    override fun getListeningEvents(): IntArray {
-        return intArrayOf(Event.MODULE_LOAD_DONE, Event.REPO_LOAD_DONE)
-    }
-
-    override fun onEvent(event: Int) = when (event) {
-        Event.MODULE_LOAD_DONE -> updateModules(Event.getResult(event))
-        Event.REPO_LOAD_DONE -> updateRepos()
-        else -> Unit
+        refresh(false)
     }
 
     fun fabPressed() = OpenFilePickerEvent().publish()
     fun repoPressed(item: RepoRvItem) = OpenChangelogEvent(item.item).publish()
     fun downloadPressed(item: RepoRvItem) = InstallModuleEvent(item.item).publish()
 
-    fun refresh() {
-        state = State.LOADING
-        Utils.loadModules(true)
-        UpdateRepos().exec(true)
-    }
-
-    private fun updateModules(result: Map<String, Module>) = result.values
-        .map { ModuleRvItem(it) }
-        .let { itemsInstalled.update(it) }
-
-    internal fun updateRepos() {
-        Single.fromCallable { repoDatabase.repoCursor.toList { Repo(it) } }
+    fun refresh(force: Boolean) {
+        Single.fromCallable { Utils.loadModulesLeanback() }
+            .map { it.values.toList() }
+            .flattenAsFlowable { it }
+            .map { ModuleRvItem(it) }
+            .toList()
+            .map { it to itemsInstalled.calculateDiff(it) }
+            .doOnSuccessUi { itemsInstalled.update(it.first, it.second) }
+            .flatMap { repoUpdater.exec(force) }
+            .flatMap { Single.fromCallable { repoDatabase.repoCursor.toList { Repo(it) } } }
             .flattenAsFlowable { it }
             .map { RepoRvItem(it) }
             .toList()
@@ -89,7 +75,6 @@ class ModuleViewModel(
             .flatMap { queryRaw() }
             .applyViewModel(this)
             .subscribeK { itemsRemote.update(it.first, it.second) }
-            .add()
     }
 
     private fun query() = queryRaw()
@@ -109,27 +94,20 @@ class ModuleViewModel(
 
     private fun List<RepoRvItem>.divide(): List<ComparableRvItem<*>> {
         val installed = itemsInstalled.filterIsInstance<ModuleRvItem>()
-        val installedModules = filter { installed.any { item -> it.item.id == item.item.id } }
 
-        fun installedByID(id: String) = installed.firstOrNull { it.item.id == id }
+        fun <T : ComparableRvItem<*>> List<T>.withTitle(text: Int) =
+            if (isEmpty()) this else listOf(SectionRvItem(resources.getString(text))) + this
 
-        fun List<RepoRvItem>.filterObsolete() = filter {
-            val module = installedByID(it.item.id) ?: return@filter false
-            module.item.versionCode != it.item.versionCode
+        val groupedItems = groupBy { repo ->
+            installed.firstOrNull { it.item.id == repo.item.id }?.let {
+                if (it.item.versionCode < repo.item.versionCode) MODULE_UPDATABLE
+                else MODULE_INSTALLED
+            } ?: MODULE_REMOTE
         }
 
-        val resultObsolete = installedModules.filterObsolete()
-        val resultInstalled = installedModules - resultObsolete
-        val resultRemote = toList() - installedModules
-
-        fun buildList(@StringRes text: Int, list: List<RepoRvItem>): List<ComparableRvItem<*>> {
-            return if (list.isEmpty()) list
-            else listOf(SectionRvItem(resources.getString(text))) + list
-        }
-
-        return buildList(R.string.update_available, resultObsolete) +
-                buildList(R.string.installed, resultInstalled) +
-                buildList(R.string.not_installed, resultRemote)
+        return groupedItems.getOrElse(MODULE_UPDATABLE) { listOf() }.withTitle(R.string.update_available) +
+                groupedItems.getOrElse(MODULE_INSTALLED) { listOf() }.withTitle(R.string.installed) +
+                groupedItems.getOrElse(MODULE_REMOTE) { listOf() }.withTitle(R.string.not_installed)
     }
 
     private fun <Result> Cursor.toList(transformer: (Cursor) -> Result): List<Result> {
@@ -138,4 +116,10 @@ class ModuleViewModel(
         return out
     }
 
+    companion object {
+        protected const val MODULE_INSTALLED = 0
+        protected const val MODULE_REMOTE = 1
+        protected const val MODULE_UPDATABLE = 2
+    }
+
 }

app/src/main/java/com/topjohnwu/magisk/ui/module/ModulesFragment.kt

@@ -16,7 +16,7 @@ import com.topjohnwu.magisk.databinding.FragmentModulesBinding
 import com.topjohnwu.magisk.model.events.OpenFilePickerEvent
 import com.topjohnwu.magisk.ui.base.MagiskFragment
 import com.topjohnwu.magisk.ui.flash.FlashActivity
-import com.topjohnwu.magisk.utils.RootUtils
+import com.topjohnwu.magisk.utils.reboot
 import com.topjohnwu.superuser.Shell
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 
@@ -28,7 +28,7 @@ class ModulesFragment : MagiskFragment<ModuleViewModel, FragmentModulesBinding>(
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         if (requestCode == Const.ID.FETCH_ZIP && resultCode == Activity.RESULT_OK && data != null) {
             // Get the URI of the selected file
-            val intent = Intent(activity, ClassMap.get<Any>(FlashActivity::class.java))
+            val intent = Intent(activity, ClassMap[FlashActivity::class.java])
             intent.setData(data.data).putExtra(Const.Key.FLASH_ACTION, Const.Value.FLASH_ZIP)
             startActivity(intent)
         }
@@ -64,19 +64,20 @@ class ModulesFragment : MagiskFragment<ModuleViewModel, FragmentModulesBinding>(
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.reboot -> {
-                RootUtils.reboot()
+                reboot()
                 return true
             }
             R.id.reboot_recovery -> {
-                Shell.su("/system/bin/reboot recovery").submit()
+                reboot("recovery")
                 return true
             }
             R.id.reboot_bootloader -> {
+                reboot("booloader")
                 Shell.su("/system/bin/reboot bootloader").submit()
                 return true
             }
             R.id.reboot_download -> {
-                Shell.su("/system/bin/reboot download").submit()
+                reboot("download")
                 return true
             }
             else -> return false
@@ -84,32 +85,12 @@ class ModulesFragment : MagiskFragment<ModuleViewModel, FragmentModulesBinding>(
     }
 
     private fun selectFile() {
-        magiskActivity.runWithExternalRW {
-            val intent = Intent(Intent.ACTION_GET_CONTENT)
-            intent.type = "application/zip"
-            startActivityForResult(intent, Const.ID.FETCH_ZIP)
+        magiskActivity.withExternalRW {
+            onSuccess {
+                val intent = Intent(Intent.ACTION_GET_CONTENT)
+                intent.type = "application/zip"
+                startActivityForResult(intent, Const.ID.FETCH_ZIP)
+            }
         }
     }
-
-    /*override fun getListeningEvents(): IntArray {
-        return intArrayOf(Event.MODULE_LOAD_DONE)
-    }
-
-    override fun onEvent(event: Int) {
-        updateUI(Event.getResult(event))
-    }*/
-
-    /*private fun updateUI(moduleMap: Map<String, Module>) {
-        listModules.clear()
-        listModules.addAll(moduleMap.values)
-        if (listModules.size == 0) {
-            emptyRv!!.visibility = View.VISIBLE
-            recyclerView!!.visibility = View.GONE
-        } else {
-            emptyRv!!.visibility = View.GONE
-            recyclerView!!.visibility = View.VISIBLE
-            recyclerView!!.adapter = ModulesAdapter(listModules)
-        }
-        mSwipeRefreshLayout!!.isRefreshing = false
-    }*/
 }

app/src/main/java/com/topjohnwu/magisk/ui/module/ReposFragment.kt

@@ -53,10 +53,10 @@ class ReposFragment : MagiskFragment<ModuleViewModel, FragmentReposBinding>(),
                 .setTitle(R.string.sorting_order)
                 .setSingleChoiceItems(
                     R.array.sorting_orders,
-                    Config.get<Int>(Config.Key.REPO_ORDER)!!
+                    Config.repoOrder
                 ) { d, which ->
-                    Config.set(Config.Key.REPO_ORDER, which)
-                    viewModel.updateRepos()
+                    Config.repoOrder = which
+                    viewModel.refresh(false)
                     d.dismiss()
                 }.show()
         }
@@ -74,20 +74,22 @@ class ReposFragment : MagiskFragment<ModuleViewModel, FragmentReposBinding>(),
     }
 
     private fun openChangelog(item: Repo) {
-        MarkDownWindow.show(context, null, item.detailUrl)
+        MarkDownWindow.show(requireActivity(), null, item.detailUrl)
     }
 
     private fun installModule(item: Repo) {
         val context = magiskActivity
 
         fun download(install: Boolean) {
-            context.runWithExternalRW {
-                val intent = Intent(activity, ClassMap.get<Any>(DownloadModuleService::class.java))
-                    .putExtra("repo", item).putExtra("install", install)
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-                    context.startForegroundService(intent) //hmm, service starts itself in foreground, this seems unnecessary
-                } else {
-                    context.startService(intent)
+            context.withExternalRW {
+                onSuccess {
+                    val intent = Intent(activity, ClassMap[DownloadModuleService::class.java])
+                            .putExtra("repo", item).putExtra("install", install)
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        context.startForegroundService(intent)
+                    } else {
+                        context.startService(intent)
+                    }
                 }
             }
         }

app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.java

@@ -1,300 +0,0 @@
-package com.topjohnwu.magisk.ui.settings;
-
-import android.content.SharedPreferences;
-import android.os.Build;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.EditText;
-import android.widget.Toast;
-
-import com.topjohnwu.magisk.BuildConfig;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.tasks.CheckUpdates;
-import com.topjohnwu.magisk.ui.base.BasePreferenceFragment;
-import com.topjohnwu.magisk.utils.DownloadApp;
-import com.topjohnwu.magisk.utils.Event;
-import com.topjohnwu.magisk.utils.FingerprintHelper;
-import com.topjohnwu.magisk.utils.LocaleManager;
-import com.topjohnwu.magisk.utils.PatchAPK;
-import com.topjohnwu.magisk.utils.Utils;
-import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog;
-import com.topjohnwu.net.Networking;
-import com.topjohnwu.superuser.Shell;
-
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.Locale;
-
-import androidx.appcompat.app.AlertDialog;
-import androidx.preference.ListPreference;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
-import androidx.preference.PreferenceScreen;
-import androidx.preference.SwitchPreferenceCompat;
-
-public class SettingsFragment extends BasePreferenceFragment {
-
-    private ListPreference updateChannel, autoRes, suNotification,
-            requestTimeout, rootConfig, multiuserConfig, nsConfig;
-
-    @Override
-    public void onStart() {
-        super.onStart();
-        setHasOptionsMenu(true);
-        requireActivity().setTitle(R.string.settings);
-    }
-
-    @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
-        getPreferenceManager().setStorageDeviceProtected();
-        setPreferencesFromResource(R.xml.app_settings, rootKey);
-
-        boolean showSuperuser = Utils.showSuperUser();
-        app.getPrefs().edit()
-                .putBoolean(Config.Key.SU_FINGERPRINT, FingerprintHelper.useFingerprint())
-                .apply();
-
-        PreferenceScreen prefScreen = getPreferenceScreen();
-
-        PreferenceCategory generalCatagory = (PreferenceCategory) findPreference("general");
-        PreferenceCategory magiskCategory = (PreferenceCategory) findPreference("magisk");
-        PreferenceCategory suCategory = (PreferenceCategory) findPreference("superuser");
-        Preference hideManager = findPreference("hide");
-        hideManager.setOnPreferenceClickListener(pref -> {
-            PatchAPK.hideManager();
-            return true;
-        });
-        Preference restoreManager = findPreference("restore");
-        restoreManager.setOnPreferenceClickListener(pref -> {
-            DownloadApp.restore();
-            return true;
-        });
-        findPreference("clear").setOnPreferenceClickListener(pref -> {
-            app.getPrefs().edit().remove(Config.Key.ETAG_KEY).apply();
-            app.getRepoDB().clearRepo();
-            Utils.toast(R.string.repo_cache_cleared, Toast.LENGTH_SHORT);
-            return true;
-        });
-        findPreference("hosts").setOnPreferenceClickListener(pref -> {
-            Shell.su("add_hosts_module").exec();
-            Utils.loadModules();
-            Utils.toast(R.string.settings_hosts_toast, Toast.LENGTH_SHORT);
-            return true;
-        });
-
-        updateChannel = (ListPreference) findPreference(Config.Key.UPDATE_CHANNEL);
-        rootConfig = (ListPreference) findPreference(Config.Key.ROOT_ACCESS);
-        autoRes = (ListPreference) findPreference(Config.Key.SU_AUTO_RESPONSE);
-        requestTimeout = (ListPreference) findPreference(Config.Key.SU_REQUEST_TIMEOUT);
-        suNotification = (ListPreference) findPreference(Config.Key.SU_NOTIFICATION);
-        multiuserConfig = (ListPreference) findPreference(Config.Key.SU_MULTIUSER_MODE);
-        nsConfig = (ListPreference) findPreference(Config.Key.SU_MNT_NS);
-        SwitchPreferenceCompat reauth = (SwitchPreferenceCompat) findPreference(Config.Key.SU_REAUTH);
-        SwitchPreferenceCompat fingerprint = (SwitchPreferenceCompat) findPreference(Config.Key.SU_FINGERPRINT);
-
-        updateChannel.setOnPreferenceChangeListener((p, o) -> {
-            int prev = Config.get(Config.Key.UPDATE_CHANNEL);
-            int channel = Integer.parseInt((String) o);
-            if (channel == Config.Value.CUSTOM_CHANNEL) {
-                View v = LayoutInflater.from(requireActivity()).inflate(R.layout.custom_channel_dialog, null);
-                EditText url = v.findViewById(R.id.custom_url);
-                url.setText(app.getPrefs().getString(Config.Key.CUSTOM_CHANNEL, ""));
-                new AlertDialog.Builder(requireActivity())
-                        .setTitle(R.string.settings_update_custom)
-                        .setView(v)
-                        .setPositiveButton(R.string.ok, (d, i) ->
-                                Config.set(Config.Key.CUSTOM_CHANNEL, url.getText().toString()))
-                        .setNegativeButton(R.string.close, (d, i) ->
-                                Config.set(Config.Key.UPDATE_CHANNEL, prev))
-                        .setOnCancelListener(d ->
-                                Config.set(Config.Key.UPDATE_CHANNEL, prev))
-                        .show();
-            }
-            return true;
-        });
-
-        /* We only show canary channels if user is already on canary channel
-         * or the user have already chosen canary channel */
-        if (!Utils.isCanary() &&
-                (int) Config.get(Config.Key.UPDATE_CHANNEL) < Config.Value.CANARY_CHANNEL) {
-            // Remove the last 2 entries
-            CharSequence[] entries = updateChannel.getEntries();
-            updateChannel.setEntries(Arrays.copyOf(entries, entries.length - 2));
-        }
-
-        setSummary();
-
-        // Disable dangerous settings in secondary user
-        if (Const.USER_ID > 0) {
-            suCategory.removePreference(multiuserConfig);
-        }
-
-        // Disable re-authentication option on Android O, it will not work
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            reauth.setEnabled(false);
-            reauth.setChecked(false);
-            reauth.setSummary(R.string.android_o_not_support);
-        }
-
-        // Disable fingerprint option if not possible
-        if (!FingerprintHelper.canUseFingerprint()) {
-            fingerprint.setEnabled(false);
-            fingerprint.setChecked(false);
-            fingerprint.setSummary(R.string.disable_fingerprint);
-        }
-
-        if (Shell.rootAccess() && Const.USER_ID == 0) {
-            if (app.getPackageName().equals(BuildConfig.APPLICATION_ID)) {
-                generalCatagory.removePreference(restoreManager);
-            } else {
-                if (!Networking.checkNetworkStatus(app))
-                    generalCatagory.removePreference(restoreManager);
-                generalCatagory.removePreference(hideManager);
-            }
-        } else {
-            generalCatagory.removePreference(restoreManager);
-            generalCatagory.removePreference(hideManager);
-        }
-
-        if (!showSuperuser) {
-            prefScreen.removePreference(suCategory);
-        }
-
-        if (!Shell.rootAccess()) {
-            prefScreen.removePreference(magiskCategory);
-            generalCatagory.removePreference(hideManager);
-        }
-    }
-
-    private void setLocalePreference(ListPreference lp) {
-        CharSequence[] entries = new CharSequence[LocaleManager.locales.size() + 1];
-        CharSequence[] entryValues = new CharSequence[LocaleManager.locales.size() + 1];
-        entries[0] = LocaleManager.getString(LocaleManager.defaultLocale, R.string.system_default);
-        entryValues[0] = "";
-        int i = 1;
-        for (Locale locale : LocaleManager.locales) {
-            entries[i] = locale.getDisplayName(locale);
-            entryValues[i++] = LocaleManager.toLanguageTag(locale);
-        }
-        lp.setEntries(entries);
-        lp.setEntryValues(entryValues);
-        lp.setSummary(LocaleManager.locale.getDisplayName(LocaleManager.locale));
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
-        switch (key) {
-            case Config.Key.ROOT_ACCESS:
-            case Config.Key.SU_MULTIUSER_MODE:
-            case Config.Key.SU_MNT_NS:
-                app.getDB().setSettings(key, Utils.getPrefsInt(prefs, key));
-                break;
-            case Config.Key.DARK_THEME:
-                requireActivity().recreate();
-                break;
-            case Config.Key.COREONLY:
-                if (prefs.getBoolean(key, false)) {
-                    try {
-                        Const.MAGISK_DISABLE_FILE.createNewFile();
-                    } catch (IOException ignored) {}
-                } else {
-                    Const.MAGISK_DISABLE_FILE.delete();
-                }
-                Utils.toast(R.string.settings_reboot_toast, Toast.LENGTH_LONG);
-                break;
-            case Config.Key.MAGISKHIDE:
-                if (prefs.getBoolean(key, false)) {
-                    Shell.su("magiskhide --enable").submit();
-                } else {
-                    Shell.su("magiskhide --disable").submit();
-                }
-                break;
-            case Config.Key.LOCALE:
-                LocaleManager.setLocale(app);
-                requireActivity().recreate();
-                break;
-            case Config.Key.UPDATE_CHANNEL:
-            case Config.Key.CUSTOM_CHANNEL:
-                CheckUpdates.check();
-                break;
-            case Config.Key.CHECK_UPDATES:
-                Utils.scheduleUpdateCheck();
-                break;
-        }
-        setSummary(key);
-    }
-
-    @Override
-    public boolean onPreferenceTreeClick(Preference preference) {
-        String key = preference.getKey();
-        switch (key) {
-            case Config.Key.SU_FINGERPRINT:
-                boolean checked = ((SwitchPreferenceCompat) preference).isChecked();
-                ((SwitchPreferenceCompat) preference).setChecked(!checked);
-                new FingerprintAuthDialog(requireActivity(), () -> {
-                    ((SwitchPreferenceCompat) preference).setChecked(checked);
-                    Config.set(key, checked);
-                }).show();
-                break;
-        }
-        return true;
-    }
-
-    private void setSummary(String key) {
-        switch (key) {
-            case Config.Key.UPDATE_CHANNEL:
-                int ch = Config.get(key);
-                ch = ch < 0 ? Config.Value.STABLE_CHANNEL : ch;
-                updateChannel.setSummary(getResources()
-                        .getStringArray(R.array.update_channel)[ch]);
-                break;
-            case Config.Key.ROOT_ACCESS:
-                rootConfig.setSummary(getResources()
-                        .getStringArray(R.array.su_access)[(int)Config.get(key)]);
-                break;
-            case Config.Key.SU_AUTO_RESPONSE:
-                autoRes.setSummary(getResources()
-                        .getStringArray(R.array.auto_response)[(int)Config.get(key)]);
-                break;
-            case Config.Key.SU_NOTIFICATION:
-                suNotification.setSummary(getResources()
-                        .getStringArray(R.array.su_notification)[(int)Config.get(key)]);
-                break;
-            case Config.Key.SU_REQUEST_TIMEOUT:
-                requestTimeout.setSummary(
-                        getString(R.string.request_timeout_summary, (int)Config.get(key)));
-                break;
-            case Config.Key.SU_MULTIUSER_MODE:
-                multiuserConfig.setSummary(getResources()
-                        .getStringArray(R.array.multiuser_summary)[(int)Config.get(key)]);
-                break;
-            case Config.Key.SU_MNT_NS:
-                nsConfig.setSummary(getResources()
-                        .getStringArray(R.array.namespace_summary)[(int)Config.get(key)]);
-                break;
-        }
-    }
-
-    private void setSummary() {
-        setSummary(Config.Key.UPDATE_CHANNEL);
-        setSummary(Config.Key.ROOT_ACCESS);
-        setSummary(Config.Key.SU_AUTO_RESPONSE);
-        setSummary(Config.Key.SU_NOTIFICATION);
-        setSummary(Config.Key.SU_REQUEST_TIMEOUT);
-        setSummary(Config.Key.SU_MULTIUSER_MODE);
-        setSummary(Config.Key.SU_MNT_NS);
-    }
-
-    @Override
-    public void onEvent(int event) {
-        setLocalePreference((ListPreference) findPreference(Config.Key.LOCALE));
-    }
-
-    @Override
-    public int[] getListeningEvents() {
-        return new int[] {Event.LOCALE_FETCH_DONE};
-    }
-}

app/src/main/java/com/topjohnwu/magisk/ui/settings/SettingsFragment.kt

@@ -0,0 +1,265 @@
+package com.topjohnwu.magisk.ui.settings
+
+import android.content.SharedPreferences
+import android.os.Build
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.widget.EditText
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.core.content.edit
+import androidx.preference.ListPreference
+import androidx.preference.Preference
+import androidx.preference.PreferenceCategory
+import androidx.preference.SwitchPreferenceCompat
+import com.skoumal.teanity.extensions.subscribeK
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.data.database.RepoDatabaseHelper
+import com.topjohnwu.magisk.ui.base.BasePreferenceFragment
+import com.topjohnwu.magisk.utils.*
+import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog
+import com.topjohnwu.net.Networking
+import com.topjohnwu.superuser.Shell
+import org.koin.android.ext.android.inject
+
+class SettingsFragment : BasePreferenceFragment() {
+
+    private val repoDatabase: RepoDatabaseHelper by inject()
+
+    private lateinit var updateChannel: ListPreference
+    private lateinit var autoRes: ListPreference
+    private lateinit var suNotification: ListPreference
+    private lateinit var requestTimeout: ListPreference
+    private lateinit var rootConfig: ListPreference
+    private lateinit var multiuserConfig: ListPreference
+    private lateinit var nsConfig: ListPreference
+
+    override fun onStart() {
+        super.onStart()
+        setHasOptionsMenu(true)
+        requireActivity().setTitle(R.string.settings)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        preferenceManager.setStorageDeviceProtected()
+        setPreferencesFromResource(R.xml.app_settings, rootKey)
+
+        updateChannel = findPref(Config.Key.UPDATE_CHANNEL)
+        rootConfig = findPref(Config.Key.ROOT_ACCESS)
+        autoRes = findPref(Config.Key.SU_AUTO_RESPONSE)
+        requestTimeout = findPref(Config.Key.SU_REQUEST_TIMEOUT)
+        suNotification = findPref(Config.Key.SU_NOTIFICATION)
+        multiuserConfig = findPref(Config.Key.SU_MULTIUSER_MODE)
+        nsConfig = findPref(Config.Key.SU_MNT_NS)
+        val reauth = findPreference(Config.Key.SU_REAUTH) as SwitchPreferenceCompat
+        val fingerprint = findPreference(Config.Key.SU_FINGERPRINT) as SwitchPreferenceCompat
+        val generalCatagory = findPreference("general") as PreferenceCategory
+        val magiskCategory = findPreference("magisk") as PreferenceCategory
+        val suCategory = findPreference("superuser") as PreferenceCategory
+        val hideManager = findPreference("hide")
+        hideManager.setOnPreferenceClickListener {
+            PatchAPK.hideManager()
+            true
+        }
+        val restoreManager = findPreference("restore")
+        restoreManager.setOnPreferenceClickListener {
+            DownloadApp.restore()
+            true
+        }
+        findPreference("clear").setOnPreferenceClickListener {
+            prefs.edit {
+                remove(Config.Key.ETAG_KEY)
+            }
+            repoDatabase.clearRepo()
+            Utils.toast(R.string.repo_cache_cleared, Toast.LENGTH_SHORT)
+            true
+        }
+        findPreference("hosts").setOnPreferenceClickListener {
+            Shell.su("add_hosts_module").exec()
+            Utils.toast(R.string.settings_hosts_toast, Toast.LENGTH_SHORT)
+            true
+        }
+
+        updateChannel.setOnPreferenceChangeListener { _, value ->
+            val channel = Integer.parseInt(value as String)
+            val previous = Config.updateChannel
+
+            if (channel == Config.Value.CUSTOM_CHANNEL) {
+                val v = LayoutInflater.from(requireActivity())
+                        .inflate(R.layout.custom_channel_dialog, null)
+                val url = v.findViewById<EditText>(R.id.custom_url)
+                url.setText(Config.customChannelUrl)
+                AlertDialog.Builder(requireActivity())
+                        .setTitle(R.string.settings_update_custom)
+                        .setView(v)
+                        .setPositiveButton(R.string.ok) { _, _ ->
+                            Config.customChannelUrl = url.text.toString() }
+                        .setNegativeButton(R.string.close) { _, _ ->
+                            Config.updateChannel = previous }
+                        .setOnCancelListener { Config.updateChannel = previous }
+                        .show()
+            }
+            true
+        }
+
+        setLocalePreference(findPreference(Config.Key.LOCALE) as ListPreference)
+
+        /* We only show canary channels if user is already on canary channel
+         * or the user have already chosen canary channel */
+        if (!Utils.isCanary && Config.updateChannel < Config.Value.CANARY_CHANNEL) {
+            // Remove the last 2 entries
+            val entries = updateChannel.entries
+            updateChannel.entries = entries.copyOf(entries.size - 2)
+
+        }
+
+        setSummary()
+
+        // Disable dangerous settings in secondary user
+        if (Const.USER_ID > 0) {
+            suCategory.removePreference(multiuserConfig)
+        }
+
+        // Disable re-authentication option on Android O, it will not work
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            reauth.isEnabled = false
+            reauth.isChecked = false
+            reauth.setSummary(R.string.android_o_not_support)
+        }
+
+        // Disable fingerprint option if not possible
+        if (!FingerprintHelper.canUseFingerprint()) {
+            fingerprint.isEnabled = false
+            fingerprint.isChecked = false
+            fingerprint.setSummary(R.string.disable_fingerprint)
+        }
+
+        if (Shell.rootAccess() && Const.USER_ID == 0) {
+            if (app.packageName == BuildConfig.APPLICATION_ID) {
+                generalCatagory.removePreference(restoreManager)
+            } else {
+                if (!Networking.checkNetworkStatus(requireContext())) {
+                    generalCatagory.removePreference(restoreManager)
+                }
+                generalCatagory.removePreference(hideManager)
+            }
+        } else {
+            generalCatagory.removePreference(restoreManager)
+            generalCatagory.removePreference(hideManager)
+        }
+
+        if (!Utils.showSuperUser()) {
+            preferenceScreen.removePreference(suCategory)
+        }
+
+        if (!Shell.rootAccess()) {
+            preferenceScreen.removePreference(magiskCategory)
+            generalCatagory.removePreference(hideManager)
+        }
+    }
+
+    override fun onSharedPreferenceChanged(prefs: SharedPreferences, key: String) {
+        when (key) {
+            Config.Key.ROOT_ACCESS -> Config.rootMode = Utils.getPrefsInt(prefs, key)
+            Config.Key.SU_MULTIUSER_MODE -> Config.suMultiuserMode = Utils.getPrefsInt(prefs, key)
+            Config.Key.SU_MNT_NS -> Config.suMntNamespaceMode = Utils.getPrefsInt(prefs, key)
+            Config.Key.DARK_THEME -> requireActivity().recreate()
+            Config.Key.COREONLY -> {
+                if (prefs.getBoolean(key, false)) {
+                    runCatching {
+                        Const.MAGISK_DISABLE_FILE.createNewFile()
+                    }
+                } else {
+                    Const.MAGISK_DISABLE_FILE.delete()
+                }
+                Utils.toast(R.string.settings_reboot_toast, Toast.LENGTH_LONG)
+            }
+            Config.Key.MAGISKHIDE -> if (prefs.getBoolean(key, false)) {
+                Shell.su("magiskhide --enable").submit()
+            } else {
+                Shell.su("magiskhide --disable").submit()
+            }
+            Config.Key.LOCALE -> {
+                LocaleManager.setLocale(app)
+                requireActivity().recreate()
+            }
+            Config.Key.CHECK_UPDATES -> Utils.scheduleUpdateCheck()
+        }
+        setSummary(key)
+    }
+
+    override fun onPreferenceTreeClick(preference: Preference): Boolean {
+        when (preference.key) {
+            Config.Key.SU_FINGERPRINT -> {
+                val checked = (preference as SwitchPreferenceCompat).isChecked
+                preference.isChecked = !checked
+                FingerprintAuthDialog(requireActivity()) {
+                    preference.isChecked = checked
+                    Config.suFingerprint = checked
+                }.show()
+            }
+        }
+        return true
+    }
+
+    private fun setLocalePreference(lp: ListPreference) {
+        lp.isEnabled = false
+        LocaleManager.availableLocales
+                .map {
+                    val names = mutableListOf<String>()
+                    val values = mutableListOf<String>()
+
+                    names.add(LocaleManager.getString(
+                            LocaleManager.defaultLocale, R.string.system_default))
+                    values.add("")
+
+                    it.forEach { locale ->
+                        names.add(locale.getDisplayName(locale))
+                        values.add(LocaleManager.toLanguageTag(locale))
+                    }
+
+                    Pair(names.toTypedArray(), values.toTypedArray())
+                }.subscribeK { (names, values) ->
+                    lp.isEnabled = true
+                    lp.entries = names
+                    lp.entryValues = values
+                    lp.summary = LocaleManager.locale.getDisplayName(LocaleManager.locale)
+                }
+    }
+
+    private fun setSummary(key: String) {
+        when (key) {
+            Config.Key.ROOT_ACCESS -> rootConfig.summary = resources
+                    .getStringArray(R.array.su_access)[Config.rootMode]
+            Config.Key.SU_MULTIUSER_MODE -> multiuserConfig.summary = resources
+                    .getStringArray(R.array.multiuser_summary)[Config.suMultiuserMode]
+            Config.Key.SU_MNT_NS -> nsConfig.summary = resources
+                    .getStringArray(R.array.namespace_summary)[Config.suMntNamespaceMode]
+            Config.Key.UPDATE_CHANNEL -> {
+                var ch = Config.updateChannel
+                ch = if (ch < 0) Config.Value.STABLE_CHANNEL else ch
+                updateChannel.summary = resources
+                        .getStringArray(R.array.update_channel)[ch]
+            }
+            Config.Key.SU_AUTO_RESPONSE -> autoRes.summary = resources
+                    .getStringArray(R.array.auto_response)[Config.suAutoReponse]
+            Config.Key.SU_NOTIFICATION -> suNotification.summary = resources
+                    .getStringArray(R.array.su_notification)[Config.suNotification]
+            Config.Key.SU_REQUEST_TIMEOUT -> requestTimeout.summary =
+                    getString(R.string.request_timeout_summary, Config.suDefaultTimeout)
+        }
+    }
+
+    private fun setSummary() {
+        setSummary(Config.Key.ROOT_ACCESS)
+        setSummary(Config.Key.SU_MULTIUSER_MODE)
+        setSummary(Config.Key.SU_MNT_NS)
+        setSummary(Config.Key.UPDATE_CHANNEL)
+        setSummary(Config.Key.SU_AUTO_RESPONSE)
+        setSummary(Config.Key.SU_NOTIFICATION)
+        setSummary(Config.Key.SU_REQUEST_TIMEOUT)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ui/superuser/SuperuserViewModel.kt

@@ -10,7 +10,8 @@ import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.viewevents.SnackbarEvent
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.data.repository.AppRepository
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.Policy
 import com.topjohnwu.magisk.model.entity.recycler.PolicyRvItem
 import com.topjohnwu.magisk.model.events.PolicyEnableEvent
@@ -24,7 +25,7 @@ import io.reactivex.Single
 import me.tatarka.bindingcollectionadapter2.ItemBinding
 
 class SuperuserViewModel(
-    private val database: MagiskDB,
+    private val appRepo: AppRepository,
     private val packageManager: PackageManager,
     private val resources: Resources,
     rxBus: RxBus
@@ -50,13 +51,20 @@ class SuperuserViewModel(
     }
 
     fun updatePolicies() {
-        Single.fromCallable { database.policyList }
+        appRepo.fetchAll()
             .flattenAsFlowable { it }
-            .map { PolicyRvItem(it, it.info.loadIcon(packageManager)) }
+            .map { PolicyRvItem(it, it.applicationInfo.loadIcon(packageManager)) }
             .toList()
+            .map {
+                it.sortedWith(compareBy(
+                    { it.item.appName.toLowerCase() },
+                    { it.item.packageName }
+                ))
+            }
+            .map { it to items.calculateDiff(it) }
             .applySchedulers()
             .applyViewModel(this)
-            .subscribeK { items.update(it) }
+            .subscribeK { items.update(it.first, it.second) }
             .add()
     }
 
@@ -85,28 +93,29 @@ class SuperuserViewModel(
 
     private fun updatePolicy(it: PolicyUpdateEvent) = when (it) {
         is PolicyUpdateEvent.Notification -> updatePolicy(it.item) {
-            val textId = if (it.logging) R.string.su_snack_notif_on else R.string.su_snack_notif_off
+            val textId =
+                if (it.notification) R.string.su_snack_notif_on else R.string.su_snack_notif_off
             val text = resources.getString(textId).format(it.appName)
             SnackbarEvent(text).publish()
         }
         is PolicyUpdateEvent.Log -> updatePolicy(it.item) {
             val textId =
-                if (it.notification) R.string.su_snack_log_on else R.string.su_snack_log_off
+                if (it.logging) R.string.su_snack_log_on else R.string.su_snack_log_off
             val text = resources.getString(textId).format(it.appName)
             SnackbarEvent(text).publish()
         }
     }
 
-    private fun updatePolicy(item: PolicyRvItem, onSuccess: (Policy) -> Unit) =
-        updatePolicy(item.item)
+    private fun updatePolicy(item: MagiskPolicy, onSuccess: (MagiskPolicy) -> Unit) =
+        updatePolicy(item)
             .subscribeK { onSuccess(it) }
             .add()
 
     private fun togglePolicy(item: PolicyRvItem, enable: Boolean) {
         fun updateState() {
-            item.item.policy = if (enable) Policy.ALLOW else Policy.DENY
+            val app = item.item.copy(policy = if (enable) MagiskPolicy.ALLOW else MagiskPolicy.DENY)
 
-            updatePolicy(item.item)
+            updatePolicy(app)
                 .map { it.policy == Policy.ALLOW }
                 .subscribeK {
                     val textId = if (it) R.string.su_snack_grant else R.string.su_snack_deny
@@ -128,12 +137,10 @@ class SuperuserViewModel(
         }
     }
 
-    private fun updatePolicy(policy: Policy) =
-        Single.fromCallable { database.updatePolicy(policy); policy }
-            .applySchedulers()
+    private fun updatePolicy(policy: MagiskPolicy) =
+        appRepo.update(policy).andThen(Single.just(policy))
 
-    private fun deletePolicy(policy: Policy) =
-        Single.fromCallable { database.deletePolicy(policy); policy }
-            .applySchedulers()
+    private fun deletePolicy(policy: MagiskPolicy) =
+        appRepo.delete(policy.uid).andThen(Single.just(policy))
 
 }

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestActivity.kt

@@ -33,7 +33,7 @@ open class SuRequestActivity : MagiskActivity<SuRequestViewModel, ActivityReques
         val action = intent.action
 
         if (TextUtils.equals(action, GeneralReceiver.REQUEST)) {
-            if (!viewModel.handleRequest(intent) {})
+            if (!viewModel.handleRequest(intent))
                 finish()
             return
         }

app/src/main/java/com/topjohnwu/magisk/ui/surequest/SuRequestViewModel.kt

@@ -10,26 +10,31 @@ import android.hardware.fingerprint.FingerprintManager
 import android.os.CountDownTimer
 import android.text.TextUtils
 import com.skoumal.teanity.databinding.ComparableRvItem
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.skoumal.teanity.util.DiffObservableList
 import com.skoumal.teanity.util.KObservableField
 import com.topjohnwu.magisk.BuildConfig
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.data.database.MagiskDB
+import com.topjohnwu.magisk.data.repository.AppRepository
+import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.Policy
 import com.topjohnwu.magisk.model.entity.recycler.SpinnerRvItem
+import com.topjohnwu.magisk.model.entity.toPolicy
 import com.topjohnwu.magisk.model.events.DieEvent
 import com.topjohnwu.magisk.ui.base.MagiskViewModel
 import com.topjohnwu.magisk.utils.FingerprintHelper
 import com.topjohnwu.magisk.utils.SuConnector
 import com.topjohnwu.magisk.utils.now
+import me.tatarka.bindingcollectionadapter2.BindingListViewAdapter
 import me.tatarka.bindingcollectionadapter2.ItemBinding
+import timber.log.Timber
 import java.io.IOException
 import java.util.concurrent.TimeUnit.*
 
 class SuRequestViewModel(
     private val packageManager: PackageManager,
-    private val database: MagiskDB,
+    private val appRepo: AppRepository,
     private val timeoutPrefs: SharedPreferences,
     private val resources: Resources
 ) : MagiskViewModel() {
@@ -44,15 +49,20 @@ class SuRequestViewModel(
     val canUseFingerprint = KObservableField(FingerprintHelper.useFingerprint())
     val selectedItemPosition = KObservableField(0)
 
-    val items = DiffObservableList(ComparableRvItem.callback)
-    val itemBinding = ItemBinding.of<ComparableRvItem<*>> { binding, _, item ->
+    private val items = DiffObservableList(ComparableRvItem.callback)
+    private val itemBinding = ItemBinding.of<ComparableRvItem<*>> { binding, _, item ->
         item.bind(binding)
     }
 
+    val adapter = BindingListViewAdapter<ComparableRvItem<*>>(1).apply {
+        itemBinding = this@SuRequestViewModel.itemBinding
+        setItems(items)
+    }
+
 
     var handler: ActionHandler? = null
     private var timer: CountDownTimer? = null
-    private var policy: Policy? = null
+    private var policy: MagiskPolicy? = null
         set(value) {
             field = value
             updatePolicy(value)
@@ -62,12 +72,16 @@ class SuRequestViewModel(
         resources.getStringArray(R.array.allow_timeout)
             .map { SpinnerRvItem(it) }
             .let { items.update(it) }
+
+        selectedItemPosition.addOnPropertyChangedCallback {
+            Timber.e("Changed position to $it")
+        }
     }
 
-    private fun updatePolicy(policy: Policy?) {
+    private fun updatePolicy(policy: MagiskPolicy?) {
         policy ?: return
 
-        icon.value = policy.info.loadIcon(packageManager)
+        icon.value = policy.applicationInfo.loadIcon(packageManager)
         title.value = policy.appName
         packageName.value = policy.packageName
 
@@ -94,7 +108,7 @@ class SuRequestViewModel(
         return false
     }
 
-    fun handleRequest(intent: Intent, createUICallback: () -> Unit): Boolean {
+    fun handleRequest(intent: Intent): Boolean {
         val socketName = intent.getStringExtra("socket") ?: return false
 
         val connector: SuConnector
@@ -107,8 +121,9 @@ class SuRequestViewModel(
             }
             val bundle = connector.readSocketInput()
             val uid = bundle.getString("uid")?.toIntOrNull() ?: return false
-            database.clearOutdated()
-            policy = database.getPolicy(uid) ?: Policy(uid, packageManager)
+            appRepo.deleteOutdated().blockingGet() // wrong!
+            policy = runCatching { appRepo.fetch(uid).blockingGet() }
+                .getOrDefault(uid.toPolicy(packageManager))
         } catch (e: IOException) {
             e.printStackTrace()
             return false
@@ -123,25 +138,26 @@ class SuRequestViewModel(
                 done()
             }
 
+            @SuppressLint("ApplySharedPref")
             override fun handleAction(action: Int) {
                 val pos = selectedItemPosition.value
-                timeoutPrefs.edit().putInt(policy?.packageName, pos).apply()
+                timeoutPrefs.edit().putInt(policy?.packageName, pos).commit()
                 handleAction(action, Config.Value.TIMEOUT_LIST[pos])
             }
 
             override fun handleAction(action: Int, time: Int) {
-                policy?.apply {
-                    policy = action
-                    if (time >= 0) {
-                        until = if (time == 0) {
-                            0
-                        } else {
-                            MILLISECONDS.toSeconds(now) + MINUTES.toSeconds(time.toLong())
-                        }
-                        database.updatePolicy(this)
+                val until = if (time >= 0) {
+                    if (time == 0) {
+                        0
+                    } else {
+                        MILLISECONDS.toSeconds(now) + MINUTES.toSeconds(time.toLong())
                     }
+                } else {
+                    policy?.until ?: 0
+                }
+                policy = policy?.copy(policy = action, until = until)?.apply {
+                    appRepo.update(this).blockingGet()
                 }
-                policy?.policy = action
 
                 handleAction()
             }
@@ -157,7 +173,7 @@ class SuRequestViewModel(
             return true
         }
 
-        when (Config.get<Any>(Config.Key.SU_AUTO_RESPONSE) as Int) {
+        when (Config.suAutoReponse) {
             Config.Value.SU_AUTO_DENY -> {
                 handler?.handleAction(Policy.DENY, 0)
                 return true
@@ -168,15 +184,13 @@ class SuRequestViewModel(
             }
         }
 
-        createUICallback()
         showUI()
         return true
     }
 
     @SuppressLint("ClickableViewAccessibility")
     private fun showUI() {
-        val seconds = Config.get<Int>(Config.Key.SU_REQUEST_TIMEOUT).toLong()
-        val millis = SECONDS.toMillis(seconds)
+        val millis = SECONDS.toMillis(Config.suDefaultTimeout.toLong())
         timer = object : CountDownTimer(millis, 1000) {
             override fun onTick(remains: Long) {
                 denyText.value = "%s (%d)"

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -1,8 +1,6 @@
 package com.topjohnwu.magisk.utils
 
 import android.view.View
-import android.widget.AdapterView
-import android.widget.Spinner
 import android.widget.TextView
 import androidx.annotation.ColorInt
 import androidx.annotation.DrawableRes
@@ -13,8 +11,10 @@ import androidx.databinding.InverseBindingAdapter
 import androidx.databinding.InverseBindingListener
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.interpolator.view.animation.FastOutSlowInInterpolator
+import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager.widget.ViewPager
+import com.google.android.material.floatingactionbutton.FloatingActionButton
 import com.google.android.material.navigation.NavigationView
 import com.skoumal.teanity.extensions.subscribeK
 import com.topjohnwu.magisk.R
@@ -115,7 +115,7 @@ fun setMovieBehavior(view: TextView, isMovieBehavior: Boolean, text: String) {
     }
 }
 
-@BindingAdapter("android:selectedItemPosition")
+/*@BindingAdapter("selection"*//*, "selectionAttrChanged", "adapter"*//*)
 fun setSelectedItemPosition(view: Spinner, position: Int) {
     view.setSelection(position)
 }
@@ -126,7 +126,7 @@ fun setSelectedItemPosition(view: Spinner, position: Int) {
 )
 fun getSelectedItemPosition(view: Spinner) = view.selectedItemPosition
 
-@BindingAdapter("android:selectedItemPositionAttrChanged")
+@BindingAdapter("selectedItemPositionAttrChanged")
 fun setSelectedItemPositionListener(view: Spinner, listener: InverseBindingListener) {
     view.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
         override fun onNothingSelected(p0: AdapterView<*>?) {
@@ -137,7 +137,7 @@ fun setSelectedItemPositionListener(view: Spinner, listener: InverseBindingListe
             listener.onChange()
         }
     }
-}
+}*/
 
 @BindingAdapter("onTouch")
 fun setOnTouchListener(view: View, listener: View.OnTouchListener) {
@@ -155,8 +155,6 @@ fun setScrollToLast(view: RecyclerView, shouldScrollToLast: Boolean) {
         Observable.timer(1, TimeUnit.SECONDS).subscribeK { callback() }
     }
 
-    val tag = RecyclerView::class.java.name.sumBy { it.toInt() }
-
     fun RecyclerView.Adapter<*>.setListener() {
         val observer = object : RecyclerView.AdapterDataObserver() {
             override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
@@ -164,11 +162,12 @@ fun setScrollToLast(view: RecyclerView, shouldScrollToLast: Boolean) {
             }
         }
         registerAdapterDataObserver(observer)
-        view.setTag(tag, observer)
+        view.setTag(R.id.recyclerScrollListener, observer)
     }
 
     fun RecyclerView.Adapter<*>.removeListener() {
-        val observer = view.getTag(tag) as? RecyclerView.AdapterDataObserver ?: return
+        val observer =
+            view.getTag(R.id.recyclerScrollListener) as? RecyclerView.AdapterDataObserver ?: return
         unregisterAdapterDataObserver(observer)
     }
 
@@ -179,4 +178,40 @@ fun setScrollToLast(view: RecyclerView, shouldScrollToLast: Boolean) {
     } else {
         view.adapter?.removeListener()
     }
-}
+}
+
+@BindingAdapter("hide")
+fun setHidden(view: FloatingActionButton, hide: Boolean) {
+    if (hide) view.hide() else view.show()
+}
+
+@BindingAdapter("scrollPosition", "scrollPositionSmooth", requireAll = false)
+fun setScrollPosition(view: RecyclerView, position: Int, smoothScroll: Boolean) {
+    val adapterItemCount = view.adapter?.itemCount ?: -1
+    if (position !in 0 until adapterItemCount) {
+        // the position is not in adapter bounds, adapter will throw exception for invalid positions
+        return
+    }
+
+    when {
+        smoothScroll -> view.smoothScrollToPosition(position)
+        else -> view.scrollToPosition(position)
+    }
+}
+
+@BindingAdapter("recyclerScrollEvent")
+fun setScrollListener(view: RecyclerView, listener: InverseBindingListener) {
+    view.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
+            // don't change this or the recycler will stop at every line, effectively disabling smooth scroll
+            if (newState == RecyclerView.SCROLL_STATE_IDLE) {
+                listener.onChange()
+            }
+        }
+    })
+}
+
+@InverseBindingAdapter(attribute = "scrollPosition", event = "recyclerScrollEvent")
+fun getScrollPosition(view: RecyclerView) = (view.layoutManager as? LinearLayoutManager)
+    ?.findLastCompletelyVisibleItemPosition()
+    ?: -1

app/src/main/java/com/topjohnwu/magisk/utils/DownloadApp.java

@@ -6,6 +6,7 @@ import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
 import com.topjohnwu.magisk.Config;
+import com.topjohnwu.magisk.Info;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.ui.SplashActivity;
 import com.topjohnwu.magisk.view.ProgressNotification;
@@ -24,8 +25,8 @@ public class DownloadApp {
     }
 
     public static void restore() {
-        String name = Utils.fmt("MagiskManager v%s(%d)",
-                Config.remoteManagerVersionString, Config.remoteManagerVersionCode);
+        String name = Utils.INSTANCE.fmt("MagiskManager v%s(%d)",
+                Info.remote.getApp().getVersion(), Info.remote.getApp().getVersionCode());
         dlInstall(name, new RestoreManager());
     }
 
@@ -33,7 +34,7 @@ public class DownloadApp {
         File apk = new File(App.self.getCacheDir(), "manager.apk");
         ProgressNotification progress = new ProgressNotification(name);
         listener.progress = progress;
-        Networking.get(Config.managerLink)
+        Networking.get(Info.remote.getApp().getLink())
                 .setExecutor(App.THREAD_POOL)
                 .setDownloadProgressListener(progress)
                 .setErrorHandler((conn, e) -> progress.dlFail())

app/src/main/java/com/topjohnwu/magisk/utils/Event.java

@@ -1,123 +0,0 @@
-package com.topjohnwu.magisk.utils;
-
-import androidx.annotation.IntDef;
-import androidx.collection.ArraySet;
-
-import com.topjohnwu.superuser.internal.UiThreadHandler;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.util.Set;
-
-public class Event {
-
-    public static final int MAGISK_HIDE_DONE = 0;
-    public static final int MODULE_LOAD_DONE = 1;
-    public static final int REPO_LOAD_DONE = 2;
-    public static final int UPDATE_CHECK_DONE = 3;
-    public static final int LOCALE_FETCH_DONE = 4;
-
-    @IntDef({MAGISK_HIDE_DONE, MODULE_LOAD_DONE, REPO_LOAD_DONE,
-            UPDATE_CHECK_DONE, LOCALE_FETCH_DONE})
-    @Retention(RetentionPolicy.SOURCE)
-    public @interface EventID {}
-
-    // We will not dynamically add topics, so use arrays instead of hash tables
-    private static Store[] eventList = new Store[5];
-
-    public static void register(Listener listener, @EventID int... events) {
-        for (int event : events) {
-            if (eventList[event] == null)
-                eventList[event] = new Store();
-            eventList[event].listeners.add(listener);
-            if (eventList[event].triggered) {
-                listener.onEvent(event);
-            }
-        }
-    }
-
-    public static void register(AutoListener listener) {
-        register(listener, listener.getListeningEvents());
-    }
-
-    public static void unregister(Listener listener, @EventID int... events) {
-        for (int event : events) {
-            if (eventList[event] == null)
-                continue;
-            eventList[event].listeners.remove(listener);
-        }
-    }
-
-    public static void unregister(AutoListener listener) {
-        unregister(listener, listener.getListeningEvents());
-    }
-
-    public static void trigger(@EventID int event) {
-        trigger(true, event, null);
-    }
-
-    public static void trigger(@EventID int event, Object result) {
-        trigger(true, event, result);
-    }
-
-    public static void trigger(boolean perm, @EventID int event) {
-        trigger(perm, event, null);
-    }
-
-    public static void trigger(boolean perm, @EventID int event, Object result) {
-        if (eventList[event] == null)
-            eventList[event] = new Store();
-        if (perm) {
-            eventList[event].result = result;
-            eventList[event].triggered = true;
-        }
-        for (Listener sub : eventList[event].listeners) {
-            UiThreadHandler.run(() -> sub.onEvent(event));
-        }
-    }
-
-    public static void reset(@EventID int event) {
-        if (eventList[event] == null)
-            return;
-        eventList[event].triggered = false;
-        eventList[event].result = null;
-    }
-
-    public static void reset(AutoListener listener) {
-        for (int event : listener.getListeningEvents())
-            reset(event);
-    }
-
-    public static boolean isTriggered(@EventID int event) {
-        if (eventList[event] == null)
-            return false;
-        return eventList[event].triggered;
-    }
-
-    public static boolean isTriggered(AutoListener listener) {
-        for (int event : listener.getListeningEvents()) {
-            if (!isTriggered(event))
-                return false;
-        }
-        return true;
-    }
-
-    public static <T> T getResult(@EventID int event) {
-        return (T) eventList[event].result;
-    }
-
-    private static class Store {
-        boolean triggered = false;
-        Set<Listener> listeners = new ArraySet<>();
-        Object result;
-    }
-
-    public interface Listener {
-        void onEvent(int event);
-    }
-
-    public interface AutoListener extends Listener {
-        @EventID
-        int[] getListeningEvents();
-    }
-}

app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java

@@ -1,123 +0,0 @@
-package com.topjohnwu.magisk.utils;
-
-import android.annotation.TargetApi;
-import android.app.KeyguardManager;
-import android.hardware.fingerprint.FingerprintManager;
-import android.os.Build;
-import android.os.CancellationSignal;
-import android.security.keystore.KeyGenParameterSpec;
-import android.security.keystore.KeyPermanentlyInvalidatedException;
-import android.security.keystore.KeyProperties;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.magisk.Const;
-
-import java.security.KeyStore;
-
-import javax.crypto.Cipher;
-import javax.crypto.KeyGenerator;
-import javax.crypto.SecretKey;
-
-@TargetApi(Build.VERSION_CODES.M)
-public abstract class FingerprintHelper {
-
-    private FingerprintManager manager;
-    private Cipher cipher;
-    private CancellationSignal cancel;
-
-    public static boolean useFingerprint() {
-        boolean fp = Config.get(Config.Key.SU_FINGERPRINT);
-        if (fp && !canUseFingerprint()) {
-            Config.set(Config.Key.SU_FINGERPRINT, false);
-            fp = false;
-        }
-        return fp;
-    }
-
-    public static boolean canUseFingerprint() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
-            return false;
-        KeyguardManager km = App.self.getSystemService(KeyguardManager.class);
-        FingerprintManager fm = App.self.getSystemService(FingerprintManager.class);
-        return km.isKeyguardSecure() && fm != null && fm.isHardwareDetected() && fm.hasEnrolledFingerprints();
-    }
-
-    protected FingerprintHelper() throws Exception {
-        KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore");
-        manager = App.self.getSystemService(FingerprintManager.class);
-        cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
-                + KeyProperties.BLOCK_MODE_CBC + "/"
-                + KeyProperties.ENCRYPTION_PADDING_PKCS7);
-        keyStore.load(null);
-        SecretKey key = (SecretKey) keyStore.getKey(Const.SU_KEYSTORE_KEY, null);
-        if (key == null) {
-            key = generateKey();
-        }
-        try {
-            cipher.init(Cipher.ENCRYPT_MODE, key);
-        } catch (KeyPermanentlyInvalidatedException e) {
-            // Only happens on Marshmallow
-            key = generateKey();
-            cipher.init(Cipher.ENCRYPT_MODE, key);
-        }
-    }
-
-    public abstract void onAuthenticationError(int errorCode, CharSequence errString);
-
-    public abstract void onAuthenticationHelp(int helpCode, CharSequence helpString);
-
-    public abstract void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result);
-
-    public abstract void onAuthenticationFailed();
-
-    public void authenticate() {
-        cancel = new CancellationSignal();
-        FingerprintManager.CryptoObject cryptoObject = new FingerprintManager.CryptoObject(cipher);
-        manager.authenticate(cryptoObject, cancel, 0, new Callback(), null);
-    }
-
-    public void cancel() {
-        if (cancel != null)
-            cancel.cancel();
-    }
-
-    private SecretKey generateKey() throws Exception {
-        KeyGenerator keygen = KeyGenerator
-                .getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
-        KeyGenParameterSpec.Builder builder = new KeyGenParameterSpec.Builder(
-                Const.SU_KEYSTORE_KEY,
-                KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
-                .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
-                .setUserAuthenticationRequired(true)
-                .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7);
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            builder.setInvalidatedByBiometricEnrollment(false);
-        }
-        keygen.init(builder.build());
-        return keygen.generateKey();
-    }
-
-    private class Callback extends FingerprintManager.AuthenticationCallback {
-        @Override
-        public void onAuthenticationError(int errorCode, CharSequence errString) {
-            FingerprintHelper.this.onAuthenticationError(errorCode, errString);
-        }
-
-        @Override
-        public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
-            FingerprintHelper.this.onAuthenticationHelp(helpCode, helpString);
-        }
-
-        @Override
-        public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
-            FingerprintHelper.this.onAuthenticationSucceeded(result);
-        }
-
-        @Override
-        public void onAuthenticationFailed() {
-            FingerprintHelper.this.onAuthenticationFailed();
-        }
-    }
-}

app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.kt

@@ -0,0 +1,119 @@
+package com.topjohnwu.magisk.utils
+
+import android.annotation.TargetApi
+import android.app.KeyguardManager
+import android.content.Context
+import android.hardware.fingerprint.FingerprintManager
+import android.os.Build
+import android.os.CancellationSignal
+import android.security.keystore.KeyGenParameterSpec
+import android.security.keystore.KeyProperties
+import com.topjohnwu.magisk.Config
+import java.security.KeyStore
+import javax.crypto.Cipher
+import javax.crypto.KeyGenerator
+import javax.crypto.SecretKey
+
+@TargetApi(Build.VERSION_CODES.M)
+abstract class FingerprintHelper @Throws(Exception::class)
+protected constructor() {
+
+    private val manager: FingerprintManager?
+    private val cipher: Cipher
+    private var cancel: CancellationSignal? = null
+    private val context: Context by inject()
+
+    init {
+        val keyStore = KeyStore.getInstance("AndroidKeyStore")
+        manager = context.getSystemService(FingerprintManager::class.java)
+        cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
+                + KeyProperties.BLOCK_MODE_CBC + "/"
+                + KeyProperties.ENCRYPTION_PADDING_PKCS7)
+        keyStore.load(null)
+        var key = keyStore.getKey(SU_KEYSTORE_KEY, null) as SecretKey? ?: generateKey()
+        runCatching {
+            cipher.init(Cipher.ENCRYPT_MODE, key)
+        }.onFailure {
+            // Only happens on Marshmallow
+            key = generateKey()
+            cipher.init(Cipher.ENCRYPT_MODE, key)
+        }
+    }
+
+    abstract fun onAuthenticationError(errorCode: Int, errString: CharSequence)
+
+    abstract fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence)
+
+    abstract fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult)
+
+    abstract fun onAuthenticationFailed()
+
+    fun authenticate() {
+        cancel = CancellationSignal()
+        val cryptoObject = FingerprintManager.CryptoObject(cipher)
+        manager!!.authenticate(cryptoObject, cancel, 0, Callback(), null)
+    }
+
+    fun cancel() {
+        if (cancel != null)
+            cancel!!.cancel()
+    }
+
+    @Throws(Exception::class)
+    private fun generateKey(): SecretKey {
+        val keygen = KeyGenerator
+                .getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore")
+        val builder = KeyGenParameterSpec.Builder(
+                SU_KEYSTORE_KEY,
+                KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT)
+                .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
+                .setUserAuthenticationRequired(true)
+                .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7)
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            builder.setInvalidatedByBiometricEnrollment(false)
+        }
+        keygen.init(builder.build())
+        return keygen.generateKey()
+    }
+
+    private inner class Callback : FingerprintManager.AuthenticationCallback() {
+        override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
+            this@FingerprintHelper.onAuthenticationError(errorCode, errString)
+        }
+
+        override fun onAuthenticationHelp(helpCode: Int, helpString: CharSequence) {
+            this@FingerprintHelper.onAuthenticationHelp(helpCode, helpString)
+        }
+
+        override fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult) {
+            this@FingerprintHelper.onAuthenticationSucceeded(result)
+        }
+
+        override fun onAuthenticationFailed() {
+            this@FingerprintHelper.onAuthenticationFailed()
+        }
+    }
+
+    companion object {
+        private const val SU_KEYSTORE_KEY = "su_key"
+
+        fun useFingerprint(): Boolean {
+            var fp = Config.suFingerprint
+            if (fp && !canUseFingerprint()) {
+                Config.suFingerprint = false
+                fp = false
+            }
+            return fp
+        }
+
+        fun canUseFingerprint(context: Context = get()): Boolean {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
+                return false
+            val km = context.getSystemService(KeyguardManager::class.java)
+            val fm = context.getSystemService(FingerprintManager::class.java)
+            return km?.isKeyguardSecure ?: false &&
+                    fm != null && fm.isHardwareDetected && fm.hasEnrolledFingerprints()
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.java

@@ -1,147 +0,0 @@
-package com.topjohnwu.magisk.utils;
-
-import android.content.Context;
-import android.content.ContextWrapper;
-import android.content.res.Configuration;
-import android.content.res.Resources;
-import android.os.Build;
-import android.text.TextUtils;
-
-import androidx.annotation.StringRes;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.Config;
-import com.topjohnwu.superuser.Shell;
-import com.topjohnwu.superuser.internal.InternalUtils;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Locale;
-
-public class LocaleManager {
-    public static Locale locale = Locale.getDefault();
-    public final static Locale defaultLocale = Locale.getDefault();
-    public static List<Locale> locales;
-
-    public static Locale forLanguageTag(String tag) {
-        if (Build.VERSION.SDK_INT >= 21) {
-            return Locale.forLanguageTag(tag);
-        } else {
-            String[] tok = tag.split("-");
-            if (tok.length == 0) {
-                return new Locale("");
-            }
-            String language;
-            switch (tok[0]) {
-                case "und":
-                    language = ""; // Undefined
-                    break;
-                case "fil":
-                    language = "tl"; // Filipino
-                    break;
-                default:
-                    language = tok[0];
-            }
-            if ((language.length() != 2 && language.length() != 3))
-                return new Locale("");
-            if (tok.length == 1)
-                return new Locale(language);
-            String country = tok[1];
-            if (country.length() != 2 && country.length() != 3)
-                return new Locale(language);
-            return new Locale(language, country);
-        }
-    }
-
-    public static String toLanguageTag(Locale loc) {
-        if (Build.VERSION.SDK_INT >= 21) {
-            return loc.toLanguageTag();
-        } else {
-            String language = loc.getLanguage();
-            String country = loc.getCountry();
-            String variant = loc.getVariant();
-            if (language.isEmpty() || !language.matches("\\p{Alpha}{2,8}")) {
-                language = "und";       // Follow the Locale#toLanguageTag() implementation
-            } else if (language.equals("iw")) {
-                language = "he";        // correct deprecated "Hebrew"
-            } else if (language.equals("in")) {
-                language = "id";        // correct deprecated "Indonesian"
-            } else if (language.equals("ji")) {
-                language = "yi";        // correct deprecated "Yiddish"
-            }
-            // ensure valid country code, if not well formed, it's omitted
-            if (!country.matches("\\p{Alpha}{2}|\\p{Digit}{3}")) {
-                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}")) {
-                variant = "";
-            }
-            StringBuilder tag = new StringBuilder(language);
-            if (!country.isEmpty())
-                tag.append('-').append(country);
-            if (!variant.isEmpty())
-                tag.append('-').append(variant);
-            return tag.toString();
-        }
-    }
-
-    public static void setLocale(ContextWrapper wrapper) {
-        String localeConfig = Config.get(Config.Key.LOCALE);
-        if (TextUtils.isEmpty(localeConfig)) {
-            locale = defaultLocale;
-        } else {
-            locale = forLanguageTag(localeConfig);
-        }
-        Locale.setDefault(locale);
-        InternalUtils.replaceBaseContext(wrapper, getLocaleContext(locale));
-    }
-
-    public static Context getLocaleContext(Context context, Locale locale) {
-        Configuration config = new Configuration(context.getResources().getConfiguration());
-        config.setLocale(locale);
-        return context.createConfigurationContext(config);
-    }
-
-    public static Context getLocaleContext(Locale locale) {
-        return getLocaleContext(App.self.getBaseContext(), locale);
-    }
-
-    public static String getString(Locale locale, @StringRes int id) {
-        return getLocaleContext(locale).getString(id);
-    }
-
-    public static void loadAvailableLocales(@StringRes int compareId) {
-        Shell.EXECUTOR.execute(() -> {
-            locales = new ArrayList<>();
-            HashSet<String> set = new HashSet<>();
-            Resources res = App.self.getResources();
-            Locale locale;
-
-            // Add default locale
-            locales.add(Locale.ENGLISH);
-            set.add(getString(Locale.ENGLISH, compareId));
-
-            // Add some special locales
-            locales.add(Locale.TAIWAN);
-            set.add(getString(Locale.TAIWAN, compareId));
-            locale = new Locale("pt", "BR");
-            locales.add(locale);
-            set.add(getString(locale, compareId));
-
-            // Other locales
-            for (String s : res.getAssets().getLocales()) {
-                locale = forLanguageTag(s);
-                if (set.add(getString(locale, compareId))) {
-                    locales.add(locale);
-                }
-            }
-
-            Collections.sort(locales, (a, b) -> a.getDisplayName(a).compareTo(b.getDisplayName(b)));
-            Event.trigger(Event.LOCALE_FETCH_DONE);
-        });
-    }
-}

app/src/main/java/com/topjohnwu/magisk/utils/LocaleManager.kt

@@ -0,0 +1,135 @@
+package com.topjohnwu.magisk.utils
+
+import android.content.Context
+import android.content.ContextWrapper
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.os.Build
+import androidx.annotation.StringRes
+import com.topjohnwu.magisk.App
+import com.topjohnwu.magisk.Config
+import com.topjohnwu.magisk.R
+import com.topjohnwu.superuser.internal.InternalUtils
+import io.reactivex.Single
+import java.util.*
+
+object LocaleManager {
+    @JvmStatic
+    var locale = Locale.getDefault()
+    @JvmStatic
+    val defaultLocale = Locale.getDefault()
+
+    @JvmStatic
+    val availableLocales = Single.fromCallable {
+        val compareId = R.string.app_changelog
+        val res: Resources by inject()
+        mutableListOf<Locale>().apply {
+            // Add default locale
+            add(Locale.ENGLISH)
+
+            // Add some special locales
+            add(Locale.TAIWAN)
+            add(Locale("pt", "BR"))
+
+            // Other locales
+            val otherLocales = res.assets.locales
+                .map { forLanguageTag(it) }
+                .distinctBy { getString(it, compareId) }
+
+            listOf("", "").toTypedArray()
+
+            addAll(otherLocales)
+        }.sortedWith(Comparator { a, b ->
+            a.getDisplayName(a).toLowerCase(a)
+                .compareTo(b.getDisplayName(b).toLowerCase(b))
+        })
+    }.cache()
+
+    private fun forLanguageTag(tag: String): Locale {
+        if (Build.VERSION.SDK_INT >= 21) {
+            return Locale.forLanguageTag(tag)
+        } else {
+            val tok = tag.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)
+        }
+    }
+
+    @JvmStatic
+    fun toLanguageTag(loc: Locale): String {
+        if (Build.VERSION.SDK_INT >= 21) {
+            return loc.toLanguageTag()
+        } else {
+            var language = loc.language
+            var country = loc.country
+            var variant = loc.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()
+        }
+    }
+
+    @JvmStatic
+    fun setLocale(wrapper: ContextWrapper) {
+        val localeConfig = Config.locale
+        locale = when {
+            localeConfig.isEmpty() -> defaultLocale
+            else -> forLanguageTag(localeConfig)
+        }
+        Locale.setDefault(locale)
+        InternalUtils.replaceBaseContext(wrapper, getLocaleContext(locale))
+    }
+
+    @JvmStatic
+    fun getLocaleContext(context: Context, locale: Locale): Context {
+        val config = Configuration(context.resources.configuration)
+        config.setLocale(locale)
+        return context.createConfigurationContext(config)
+    }
+
+    @JvmStatic
+    fun getLocaleContext(locale: Locale): Context {
+        return getLocaleContext(App.self.baseContext, locale)
+    }
+
+    @JvmStatic
+    fun getString(locale: Locale, @StringRes id: Int): String {
+        return getLocaleContext(locale).getString(id)
+    }
+}

app/src/main/java/com/topjohnwu/magisk/utils/Logger.java

@@ -13,7 +13,7 @@ public class Logger {
     }
 
     public static void debug(String fmt, Object... args) {
-        debug(Utils.fmt(fmt, args));
+        debug(Utils.INSTANCE.fmt(fmt, args));
     }
 
     public static void error(String line) {
@@ -21,6 +21,6 @@ public class Logger {
     }
 
     public static void error(String fmt, Object... args) {
-        error(Utils.fmt(fmt, args));
+        error(Utils.INSTANCE.fmt(fmt, args));
     }
 }

app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.java

@@ -3,6 +3,8 @@ package com.topjohnwu.magisk.utils;
 import android.content.ComponentName;
 import android.widget.Toast;
 
+import androidx.core.app.NotificationCompat;
+
 import com.topjohnwu.magisk.App;
 import com.topjohnwu.magisk.BuildConfig;
 import com.topjohnwu.magisk.ClassMap;
@@ -27,8 +29,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.jar.JarEntry;
 
-import androidx.core.app.NotificationCompat;
-
 public class PatchAPK {
 
     public static final String LOWERALPHA = "abcdefghijklmnopqrstuvwxyz";
@@ -110,7 +110,7 @@ public class PatchAPK {
         if (!Shell.su("pm install " + repack).exec().isSuccess())
             return false;
 
-        Config.set(Config.Key.SU_MANAGER, pkg);
+        Config.setSuManager(pkg);
         Config.export();
         RootUtils.rmAndLaunch(BuildConfig.APPLICATION_ID,
                 new ComponentName(pkg, ClassMap.get(SplashActivity.class).getName()));
@@ -145,7 +145,7 @@ public class PatchAPK {
                     Notifications.progress(app.getString(R.string.hide_manager_title));
             Notifications.mgr.notify(Const.ID.HIDE_MANAGER_NOTIFICATION_ID, progress.build());
             if(!patchAndHide())
-                Utils.toast(R.string.hide_manager_fail_toast, Toast.LENGTH_LONG);
+                Utils.INSTANCE.toast(R.string.hide_manager_fail_toast, Toast.LENGTH_LONG);
             Notifications.mgr.cancel(Const.ID.HIDE_MANAGER_NOTIFICATION_ID);
         });
     }