Cleanup more code

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

@@ -1,6 +1,5 @@
 package com.topjohnwu.magisk
 
-import android.annotation.SuppressLint
 import android.app.Application
 import android.content.Context
 import android.content.res.Configuration
@@ -39,7 +38,6 @@ open class App : Application() {
         }
 
         deContext = base
-        self = this
 
         if (Build.VERSION.SDK_INT >= 24) {
             deContext = base.createDeviceProtectedStorageContext()
@@ -61,11 +59,6 @@ open class App : Application() {
 
     companion object {
 
-        @SuppressLint("StaticFieldLeak")
-        @Deprecated("Use dependency injection")
-        @JvmStatic
-        lateinit var self: App
-
         init {
             AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
             Shell.Config.setFlags(Shell.FLAG_MOUNT_MASTER or Shell.FLAG_USE_MAGISK_BUSYBOX)

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

@@ -55,7 +55,7 @@ val ApplicationInfo.packageInfo: PackageInfo?
 val Uri.fileName: String
     get() {
         var name: String? = null
-        App.self.contentResolver.query(this, null, null, null, null)?.use { c ->
+        get<Context>().contentResolver.query(this, null, null, null, null)?.use { c ->
             val nameIndex = c.getColumnIndex(OpenableColumns.DISPLAY_NAME)
             if (nameIndex != -1) {
                 c.moveToFirst()

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

@@ -1,12 +1,15 @@
 package com.topjohnwu.magisk.extensions
 
 import android.net.Uri
+import android.os.Build
 import androidx.core.net.toFile
 import java.io.File
 import java.io.InputStream
 import java.io.OutputStream
+import java.util.*
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
+import kotlin.NoSuchElementException
 
 fun ZipInputStream.forEach(callback: (ZipEntry) -> Unit) {
     var entry: ZipEntry? = nextEntry
@@ -38,4 +41,63 @@ inline fun <T, R> List<T>.firstMap(mapper: (T) -> R?): R {
         return mapper(item) ?: continue
     }
     throw NoSuchElementException("Collection contains no element matching the predicate.")
+}
+
+fun String.langTagToLocale(): Locale {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return Locale.forLanguageTag(this)
+    } else {
+        val tok = split("-".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
+        if (tok.isEmpty()) {
+            return Locale("")
+        }
+        val language = when (tok[0]) {
+            "und" -> "" // Undefined
+            "fil" -> "tl" // Filipino
+            else -> tok[0]
+        }
+        if (language.length != 2 && language.length != 3)
+            return Locale("")
+        if (tok.size == 1)
+            return Locale(language)
+        val country = tok[1]
+
+        return if (country.length != 2 && country.length != 3) Locale(language)
+        else Locale(language, country)
+    }
+}
+
+fun Locale.toLangTag(): String {
+    if (Build.VERSION.SDK_INT >= 21) {
+        return toLanguageTag()
+    } else {
+        var language = language
+        var country = country
+        var variant = variant
+        when {
+            language.isEmpty() || !language.matches("\\p{Alpha}{2,8}".toRegex()) ->
+                language = "und"       // Follow the Locale#toLanguageTag() implementation
+            language == "iw" -> language = "he"        // correct deprecated "Hebrew"
+            language == "in" -> language = "id"        // correct deprecated "Indonesian"
+            language == "ji" -> language = "yi"        // correct deprecated "Yiddish"
+        }
+        // ensure valid country code, if not well formed, it's omitted
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        // ensure valid country code, if not well formed, it's omitted
+        if (!country.matches("\\p{Alpha}{2}|\\p{Digit}{3}".toRegex())) {
+            country = ""
+        }
+
+        // variant subtags that begin with a letter must be at least 5 characters long
+        if (!variant.matches("\\p{Alnum}{5,8}|\\p{Digit}\\p{Alnum}{3}".toRegex())) {
+            variant = ""
+        }
+        val tag = StringBuilder(language)
+        if (country.isNotEmpty())
+            tag.append('-').append(country)
+        if (variant.isNotEmpty())
+            tag.append('-').append(variant)
+        return tag.toString()
+    }
 }

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

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk.extensions
 
-import com.topjohnwu.magisk.utils.LocaleManager
+import com.topjohnwu.magisk.utils.currentLocale
 import java.text.DateFormat
 import java.text.ParseException
 import java.text.SimpleDateFormat
@@ -14,8 +14,7 @@ fun String.toTime(format: DateFormat) = try {
     -1L
 }
 
-private val locale get() = LocaleManager.locale
-val timeFormatFull by lazy { SimpleDateFormat("yyyy/MM/dd_HH:mm:ss", locale) }
-val timeFormatStandard by lazy { SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", locale) }
-val timeFormatMedium by lazy { DateFormat.getDateInstance(DateFormat.MEDIUM, LocaleManager.locale) }
-val timeFormatTime by lazy { SimpleDateFormat("h:mm a", LocaleManager.locale) }
+val timeFormatFull by lazy { SimpleDateFormat("yyyy/MM/dd_HH:mm:ss", currentLocale) }
+val timeFormatStandard by lazy { SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", currentLocale) }
+val timeFormatMedium by lazy { DateFormat.getDateInstance(DateFormat.MEDIUM, currentLocale) }
+val timeFormatTime by lazy { SimpleDateFormat("h:mm a", currentLocale) }

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

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

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

@@ -47,7 +47,7 @@ open class GeneralReceiver : BroadcastReceiver() {
                     // Actual boot completed event
                     Shell.su("mm_patch_dtbo").submit { result ->
                         if (result.isSuccess)
-                            Notifications.dtboPatched()
+                            Notifications.dtboPatched(context)
                     }
                     return
                 }

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

@@ -19,9 +19,9 @@ class UpdateCheckService : DelegateWorker() {
         return runCatching {
             magiskRepo.fetchUpdate().blockingGet()
             if (BuildConfig.VERSION_CODE < Info.remote.app.versionCode)
-                Notifications.managerUpdate()
+                Notifications.managerUpdate(applicationContext)
             else if (Info.magiskVersionCode < Info.remote.magisk.versionCode)
-                Notifications.magiskUpdate()
+                Notifications.magiskUpdate(applicationContext)
             ListenableWorker.Result.success()
         }.getOrElse {
             ListenableWorker.Result.failure()

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

@@ -32,6 +32,7 @@ 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.currentLocale
 import timber.log.Timber
 import kotlin.reflect.KClass
 
@@ -68,12 +69,12 @@ abstract class MagiskActivity<ViewModel : MagiskViewModel, Binding : ViewDataBin
 
     override fun applyOverrideConfiguration(config: Configuration?) {
         // Force applying our preferred local
-        config?.setLocale(LocaleManager.locale)
+        config?.setLocale(currentLocale)
         super.applyOverrideConfiguration(config)
     }
 
     override fun attachBaseContext(base: Context) {
-        super.attachBaseContext(LocaleManager.getLocaleContext(base, LocaleManager.locale))
+        super.attachBaseContext(LocaleManager.getLocaleContext(base))
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {

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

@@ -1,12 +1,17 @@
 package com.topjohnwu.magisk.ui.home
 
 import android.app.Activity
+import android.content.Context
 import android.os.Bundle
 import com.skoumal.teanity.extensions.subscribeK
 import com.skoumal.teanity.viewevents.ViewEvent
-import com.topjohnwu.magisk.*
+import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.data.repository.MagiskRepository
 import com.topjohnwu.magisk.databinding.FragmentMagiskBinding
+import com.topjohnwu.magisk.extensions.get
 import com.topjohnwu.magisk.extensions.inject
 import com.topjohnwu.magisk.extensions.writeTo
 import com.topjohnwu.magisk.model.events.*
@@ -114,7 +119,7 @@ class HomeFragment : MagiskFragment<HomeViewModel, FragmentMagiskBinding>(),
     }
 
     companion object {
-        val EXT_APK = File("${App.self.filesDir.parent}/snet", "snet.apk")
+        val EXT_APK by lazy { File("${get<Context>().filesDir.parent}/snet", "snet.apk") }
     }
 }
 

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

@@ -21,15 +21,13 @@ import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.data.database.RepoDao
 import com.topjohnwu.magisk.databinding.CustomDownloadDialogBinding
+import com.topjohnwu.magisk.extensions.toLangTag
 import com.topjohnwu.magisk.model.download.DownloadService
 import com.topjohnwu.magisk.model.entity.internal.Configuration
 import com.topjohnwu.magisk.model.entity.internal.DownloadSubject
 import com.topjohnwu.magisk.model.observer.Observer
 import com.topjohnwu.magisk.ui.base.BasePreferenceFragment
-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.utils.*
 import com.topjohnwu.magisk.view.dialogs.FingerprintAuthDialog
 import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
@@ -226,21 +224,18 @@ class SettingsFragment : BasePreferenceFragment() {
 
     private fun setLocalePreference(lp: ListPreference) {
         lp.isEnabled = false
-        LocaleManager.availableLocales
-            .map {
+        availableLocales.map {
                 val names = mutableListOf<String>()
                 val values = mutableListOf<String>()
 
                 names.add(
-                    LocaleManager.getString(
-                        LocaleManager.defaultLocale, R.string.system_default
-                    )
+                    LocaleManager.getString(defaultLocale, R.string.system_default)
                 )
                 values.add("")
 
                 it.forEach { locale ->
                     names.add(locale.getDisplayName(locale))
-                    values.add(LocaleManager.toLanguageTag(locale))
+                    values.add(locale.toLangTag())
                 }
 
                 Pair(names.toTypedArray(), values.toTypedArray())
@@ -248,7 +243,7 @@ class SettingsFragment : BasePreferenceFragment() {
                 lp.isEnabled = true
                 lp.entries = names
                 lp.entryValues = values
-                lp.summary = LocaleManager.locale.getDisplayName(LocaleManager.locale)
+                lp.summary = currentLocale.getDisplayName(currentLocale)
             }
     }
 

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

@@ -4,133 +4,65 @@ 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.magisk.extensions.get
 import com.topjohnwu.magisk.extensions.inject
+import com.topjohnwu.magisk.extensions.langTagToLocale
 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()
+var currentLocale = Locale.getDefault()!!
+    private set
 
-    @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)
+val defaultLocale = Locale.getDefault()!!
 
-            // Add some special locales
-            add(Locale.TAIWAN)
-            add(Locale("pt", "BR"))
+val availableLocales = Single.fromCallable {
+    val compareId = R.string.app_changelog
+    val res: Resources by inject()
+    mutableListOf<Locale>().apply {
+        // Add default locale
+        add(Locale.ENGLISH)
 
-            // Other locales
-            val otherLocales = res.assets.locales
-                .map { forLanguageTag(it) }
-                .distinctBy { getString(it, compareId) }
+        // Add some special locales
+        add(Locale.TAIWAN)
+        add(Locale("pt", "BR"))
 
-            listOf("", "").toTypedArray()
+        // Other locales
+        val otherLocales = res.assets.locales
+                .map { it.langTagToLocale() }
+                .distinctBy { LocaleManager.getString(it, compareId) }
 
-            addAll(otherLocales)
-        }.sortedWith(Comparator { a, b ->
-            a.getDisplayName(a).toLowerCase(a)
+        listOf("", "").toTypedArray()
+
+        addAll(otherLocales)
+    }.sortedWith(Comparator { a, b ->
+        a.getDisplayName(a).toLowerCase(a)
                 .compareTo(b.getDisplayName(b).toLowerCase(b))
-        })
-    }.cache()
+    })
+}.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]
+object LocaleManager {
 
-            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 {
+        currentLocale = when {
             localeConfig.isEmpty() -> defaultLocale
-            else -> forLanguageTag(localeConfig)
+            else -> localeConfig.langTagToLocale()
         }
-        Locale.setDefault(locale)
-        InternalUtils.replaceBaseContext(wrapper, getLocaleContext(locale))
+        Locale.setDefault(currentLocale)
+        InternalUtils.replaceBaseContext(wrapper, getLocaleContext(wrapper, currentLocale))
     }
 
-    @JvmStatic
-    fun getLocaleContext(context: Context, locale: Locale): Context {
+    fun getLocaleContext(context: Context, locale: Locale = currentLocale): 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)
+        return getLocaleContext(get(), locale).getString(id)
     }
 }

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

@@ -15,7 +15,6 @@ import com.topjohnwu.magisk.*
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.extensions.get
 import com.topjohnwu.magisk.model.update.UpdateCheckService
-import com.topjohnwu.net.Networking
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.internal.UiThreadHandler
 import java.io.File
@@ -24,8 +23,7 @@ import java.util.concurrent.TimeUnit
 
 object Utils {
 
-    val isCanary: Boolean
-        get() = BuildConfig.VERSION_NAME.contains("-")
+    val isCanary: Boolean = BuildConfig.VERSION_NAME.contains("-")
 
     fun toast(msg: CharSequence, duration: Int) {
         UiThreadHandler.run { Toast.makeText(get(), msg, duration).show() }
@@ -35,11 +33,6 @@ object Utils {
         UiThreadHandler.run { Toast.makeText(get(), resId, duration).show() }
     }
 
-    fun dlString(url: String): String {
-        val s = Networking.get(url).execForString().result
-        return s ?: ""
-    }
-
     fun getPrefsInt(prefs: SharedPreferences, key: String, def: Int = 0): Int {
         return prefs.getString(key, def.toString())!!.toInt()
     }
@@ -58,7 +51,7 @@ object Utils {
             if (info.labelRes > 0) {
                 val res = pm.getResourcesForApplication(info)
                 val config = Configuration()
-                config.setLocale(LocaleManager.locale)
+                config.setLocale(currentLocale)
                 res.updateConfiguration(config, res.displayMetrics)
                 return res.getString(info.labelRes)
             }

app/src/main/java/com/topjohnwu/magisk/view/Notifications.java

@@ -1,109 +0,0 @@
-package com.topjohnwu.magisk.view;
-
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.Intent;
-import android.os.Build;
-
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-import androidx.core.app.TaskStackBuilder;
-
-import com.topjohnwu.magisk.App;
-import com.topjohnwu.magisk.ClassMap;
-import com.topjohnwu.magisk.Const;
-import com.topjohnwu.magisk.Info;
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.model.receiver.GeneralReceiver;
-import com.topjohnwu.magisk.ui.SplashActivity;
-
-public class Notifications {
-
-    public static NotificationManagerCompat mgr = NotificationManagerCompat.from(App.self);
-
-    public static void setup(Context c) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            mgr.deleteNotificationChannel("magisk_notification");
-            NotificationChannel channel =
-                    new NotificationChannel(Const.ID.UPDATE_NOTIFICATION_CHANNEL,
-                    c.getString(R.string.update_channel), NotificationManager.IMPORTANCE_DEFAULT);
-            mgr.createNotificationChannel(channel);
-            channel = new NotificationChannel(Const.ID.PROGRESS_NOTIFICATION_CHANNEL,
-                    c.getString(R.string.progress_channel), NotificationManager.IMPORTANCE_LOW);
-            mgr.createNotificationChannel(channel);
-        }
-    }
-
-    public static void magiskUpdate() {
-        App app = App.self;
-
-        Intent intent = new Intent(app, ClassMap.get(SplashActivity.class));
-        intent.putExtra(Const.Key.OPEN_SECTION, "magisk");
-        TaskStackBuilder stackBuilder = TaskStackBuilder.create(app);
-        stackBuilder.addParentStack(ClassMap.get(SplashActivity.class));
-        stackBuilder.addNextIntent(intent);
-        PendingIntent pendingIntent = stackBuilder.getPendingIntent(Const.ID.MAGISK_UPDATE_NOTIFICATION_ID,
-                PendingIntent.FLAG_UPDATE_CURRENT);
-
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(app, Const.ID.UPDATE_NOTIFICATION_CHANNEL);
-        builder.setSmallIcon(R.drawable.ic_magisk_outline)
-                .setContentTitle(app.getString(R.string.magisk_update_title))
-                .setContentText(app.getString(R.string.manager_download_install))
-                .setVibrate(new long[]{0, 100, 100, 100})
-                .setAutoCancel(true)
-                .setContentIntent(pendingIntent);
-
-        mgr.notify(Const.ID.MAGISK_UPDATE_NOTIFICATION_ID, builder.build());
-    }
-
-    public static void managerUpdate() {
-        App app = App.self;
-
-        Intent intent = new Intent(app, ClassMap.get(GeneralReceiver.class));
-        intent.setAction(Const.Key.BROADCAST_MANAGER_UPDATE);
-        intent.putExtra(Const.Key.INTENT_SET_APP, Info.remote.getApp());
-
-        PendingIntent pendingIntent = PendingIntent.getBroadcast(app,
-                Const.ID.APK_UPDATE_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT);
-
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(app, Const.ID.UPDATE_NOTIFICATION_CHANNEL);
-        builder.setSmallIcon(R.drawable.ic_magisk_outline)
-                .setContentTitle(app.getString(R.string.manager_update_title))
-                .setContentText(app.getString(R.string.manager_download_install))
-                .setVibrate(new long[]{0, 100, 100, 100})
-                .setAutoCancel(true)
-                .setContentIntent(pendingIntent);
-
-        mgr.notify(Const.ID.APK_UPDATE_NOTIFICATION_ID, builder.build());
-    }
-
-    public static void dtboPatched() {
-        App app = App.self;
-
-        Intent intent = new Intent(app, ClassMap.get(GeneralReceiver.class))
-                .setAction(Const.Key.BROADCAST_REBOOT);
-        PendingIntent pendingIntent = PendingIntent.getBroadcast(app,
-                Const.ID.DTBO_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT);
-
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(app, Const.ID.UPDATE_NOTIFICATION_CHANNEL);
-        builder.setSmallIcon(R.drawable.ic_magisk_outline)
-                .setContentTitle(app.getString(R.string.dtbo_patched_title))
-                .setContentText(app.getString(R.string.dtbo_patched_reboot))
-                .setVibrate(new long[]{0, 100, 100, 100})
-                .addAction(R.drawable.ic_refresh, app.getString(R.string.reboot), pendingIntent);
-
-        mgr.notify(Const.ID.DTBO_NOTIFICATION_ID, builder.build());
-    }
-
-    public static NotificationCompat.Builder progress(Context context, CharSequence title) {
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, Const.ID.PROGRESS_NOTIFICATION_CHANNEL);
-        builder.setPriority(NotificationCompat.PRIORITY_LOW)
-                .setSmallIcon(android.R.drawable.stat_sys_download)
-                .setContentTitle(title)
-                .setProgress(0, 0, true)
-                .setOngoing(true);
-        return builder;
-    }
-}

app/src/main/java/com/topjohnwu/magisk/view/Notifications.kt

@@ -0,0 +1,100 @@
+package com.topjohnwu.magisk.view
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.app.TaskStackBuilder
+import com.topjohnwu.magisk.ClassMap
+import com.topjohnwu.magisk.Const
+import com.topjohnwu.magisk.Info
+import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.extensions.get
+import com.topjohnwu.magisk.model.receiver.GeneralReceiver
+import com.topjohnwu.magisk.ui.SplashActivity
+
+object Notifications {
+
+    val mgr by lazy { NotificationManagerCompat.from(get()) }
+
+    fun setup(context: Context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            mgr.deleteNotificationChannel("magisk_notification")
+            var channel = NotificationChannel(Const.ID.UPDATE_NOTIFICATION_CHANNEL,
+                    context.getString(R.string.update_channel), NotificationManager.IMPORTANCE_DEFAULT)
+            mgr.createNotificationChannel(channel)
+            channel = NotificationChannel(Const.ID.PROGRESS_NOTIFICATION_CHANNEL,
+                    context.getString(R.string.progress_channel), NotificationManager.IMPORTANCE_LOW)
+            mgr.createNotificationChannel(channel)
+        }
+    }
+
+    fun magiskUpdate(context: Context) {
+        val intent = Intent(context, ClassMap[SplashActivity::class.java])
+        intent.putExtra(Const.Key.OPEN_SECTION, "magisk")
+        val stackBuilder = TaskStackBuilder.create(context)
+        stackBuilder.addParentStack(ClassMap.get<Class<*>>(SplashActivity::class.java))
+        stackBuilder.addNextIntent(intent)
+        val pendingIntent = stackBuilder.getPendingIntent(Const.ID.MAGISK_UPDATE_NOTIFICATION_ID,
+                PendingIntent.FLAG_UPDATE_CURRENT)
+
+        val builder = NotificationCompat.Builder(context, Const.ID.UPDATE_NOTIFICATION_CHANNEL)
+        builder.setSmallIcon(R.drawable.ic_magisk_outline)
+                .setContentTitle(context.getString(R.string.magisk_update_title))
+                .setContentText(context.getString(R.string.manager_download_install))
+                .setVibrate(longArrayOf(0, 100, 100, 100))
+                .setAutoCancel(true)
+                .setContentIntent(pendingIntent)
+
+        mgr.notify(Const.ID.MAGISK_UPDATE_NOTIFICATION_ID, builder.build())
+    }
+
+    fun managerUpdate(context: Context) {
+        val intent = Intent(context, ClassMap[GeneralReceiver::class.java])
+        intent.action = Const.Key.BROADCAST_MANAGER_UPDATE
+        intent.putExtra(Const.Key.INTENT_SET_APP, Info.remote.app)
+
+        val pendingIntent = PendingIntent.getBroadcast(context,
+                Const.ID.APK_UPDATE_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+
+        val builder = NotificationCompat.Builder(context, Const.ID.UPDATE_NOTIFICATION_CHANNEL)
+        builder.setSmallIcon(R.drawable.ic_magisk_outline)
+                .setContentTitle(context.getString(R.string.manager_update_title))
+                .setContentText(context.getString(R.string.manager_download_install))
+                .setVibrate(longArrayOf(0, 100, 100, 100))
+                .setAutoCancel(true)
+                .setContentIntent(pendingIntent)
+
+        mgr.notify(Const.ID.APK_UPDATE_NOTIFICATION_ID, builder.build())
+    }
+
+    fun dtboPatched(context: Context) {
+        val intent = Intent(context, ClassMap[GeneralReceiver::class.java])
+                .setAction(Const.Key.BROADCAST_REBOOT)
+        val pendingIntent = PendingIntent.getBroadcast(context,
+                Const.ID.DTBO_NOTIFICATION_ID, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+
+        val builder = NotificationCompat.Builder(context, Const.ID.UPDATE_NOTIFICATION_CHANNEL)
+        builder.setSmallIcon(R.drawable.ic_magisk_outline)
+                .setContentTitle(context.getString(R.string.dtbo_patched_title))
+                .setContentText(context.getString(R.string.dtbo_patched_reboot))
+                .setVibrate(longArrayOf(0, 100, 100, 100))
+                .addAction(R.drawable.ic_refresh, context.getString(R.string.reboot), pendingIntent)
+
+        mgr.notify(Const.ID.DTBO_NOTIFICATION_ID, builder.build())
+    }
+
+    fun progress(context: Context, title: CharSequence): NotificationCompat.Builder {
+        val builder = NotificationCompat.Builder(context, Const.ID.PROGRESS_NOTIFICATION_CHANNEL)
+        builder.setPriority(NotificationCompat.PRIORITY_LOW)
+                .setSmallIcon(android.R.drawable.stat_sys_download)
+                .setContentTitle(title)
+                .setProgress(0, 0, true)
+                .setOngoing(true)
+        return builder
+    }
+}