Refactor backup service

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt

@@ -3,6 +3,8 @@ import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
 
 object BackupConst {
 
+    private const val NAME = "BackupRestoreServices"
+    const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
     const val INTENT_FILTER = "SettingsBackupFragment"
     const val ACTION_BACKUP_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_BACKUP_COMPLETED_DIALOG"
     const val ACTION_ERROR_BACKUP_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_BACKUP_DIALOG"

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt

@@ -1,25 +1,22 @@
 package eu.kanade.tachiyomi.data.backup
 
-import android.app.IntentService
+import android.app.Service
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import com.google.gson.JsonArray
+import android.os.Build
-import eu.kanade.tachiyomi.data.database.models.Manga
+import android.os.IBinder
-import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
+import android.os.PowerManager
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.util.system.isServiceRunning
 
 /**
- * [IntentService] used to backup [Manga] information to [JsonArray]
+ * Service for backing up library information to a JSON file.
  */
-class BackupCreateService : IntentService(NAME) {
+class BackupCreateService : Service() {
 
     companion object {
-        // Name of class
-        private const val NAME = "BackupCreateService"
-
-        // Options for backup
-        private const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
-
         // Filter options
         internal const val BACKUP_CATEGORY = 0x1
         internal const val BACKUP_CATEGORY_MASK = 0x1
@@ -31,6 +28,15 @@ class BackupCreateService : IntentService(NAME) {
         internal const val BACKUP_TRACK_MASK = 0x8
         internal const val BACKUP_ALL = 0xF
 
+        /**
+         * Returns the status of the service.
+         *
+         * @param context the application context.
+         * @return true if the service is running, false otherwise.
+         */
+        fun isRunning(context: Context): Boolean =
+            context.isServiceRunning(BackupCreateService::class.java)
+
         /**
          * Make a backup from library
          *
@@ -38,25 +44,78 @@ class BackupCreateService : IntentService(NAME) {
          * @param uri path of Uri
          * @param flags determines what to backup
          */
-        fun makeBackup(context: Context, uri: Uri, flags: Int) {
+        fun start(context: Context, uri: Uri, flags: Int) {
+            if (!isRunning(context)) {
                 val intent = Intent(context, BackupCreateService::class.java).apply {
                     putExtra(BackupConst.EXTRA_URI, uri)
-                putExtra(EXTRA_FLAGS, flags)
+                    putExtra(BackupConst.EXTRA_FLAGS, flags)
                 }
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
                     context.startService(intent)
+                } else {
+                    context.startForegroundService(intent)
+                }
+            }
         }
     }
 
-    private val backupManager by lazy { BackupManager(this) }
+    /**
+     * Wake lock that will be held until the service is destroyed.
+     */
+    private lateinit var wakeLock: PowerManager.WakeLock
 
-    override fun onHandleIntent(intent: Intent?) {
+    private lateinit var backupManager: BackupManager
-        if (intent == null) return
+    private lateinit var notifier: BackupNotifier
 
-        // Get values
+    override fun onCreate() {
+        super.onCreate()
+        notifier = BackupNotifier(this)
+
+        startForeground(Notifications.ID_BACKUP_PROGRESS, notifier.showBackupProgress().build())
+
+        wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
+            PowerManager.PARTIAL_WAKE_LOCK, "${javaClass.name}:WakeLock"
+        )
+        wakeLock.acquire()
+    }
+
+    override fun stopService(name: Intent?): Boolean {
+        destroyJob()
+        return super.stopService(name)
+    }
+
+    override fun onDestroy() {
+        destroyJob()
+        super.onDestroy()
+    }
+
+    private fun destroyJob() {
+        if (wakeLock.isHeld) {
+            wakeLock.release()
+        }
+    }
+
+    /**
+     * This method needs to be implemented, but it's not used/needed.
+     */
+    override fun onBind(intent: Intent): IBinder? = null
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent == null) return START_NOT_STICKY
+
+        try {
             val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
-        val flags = intent.getIntExtra(EXTRA_FLAGS, 0)
+            val backupFlags = intent.getIntExtra(BackupConst.EXTRA_FLAGS, 0)
-        // Create backup
+            backupManager = BackupManager(this)
-        if (uri != null)
+
-            backupManager.createBackup(uri, flags, false)
+            val backupFileUri = Uri.parse(backupManager.createBackup(uri, backupFlags, false))
+            val unifile = UniFile.fromUri(this, backupFileUri)
+            notifier.showBackupComplete(unifile)
+        } catch (e: Exception) {
+            notifier.showBackupError(e.message)
+        }
+
+        stopSelf(startId)
+        return START_NOT_STICKY
     }
 }

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreatorJob.kt

@@ -21,8 +21,12 @@ class BackupCreatorJob(private val context: Context, workerParams: WorkerParamet
         val backupManager = BackupManager(context)
         val uri = Uri.parse(preferences.backupsDirectory().getOrDefault())
         val flags = BackupCreateService.BACKUP_ALL
+        return try {
             backupManager.createBackup(uri, flags, true)
-        return Result.success()
+            Result.success()
+        } catch (e: Exception) {
+            Result.failure()
+        }
     }
 
     companion object {

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt

@@ -1,7 +1,6 @@
 package eu.kanade.tachiyomi.data.backup
 
 import android.content.Context
-import android.content.Intent
 import android.net.Uri
 import com.github.salomonbrys.kotson.fromJson
 import com.github.salomonbrys.kotson.registerTypeAdapter
@@ -25,6 +24,7 @@ import eu.kanade.tachiyomi.data.backup.models.Backup
 import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
 import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
 import eu.kanade.tachiyomi.data.backup.models.Backup.CURRENT_VERSION
+import eu.kanade.tachiyomi.data.backup.models.Backup.EXTENSIONS
 import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
 import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
 import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
@@ -51,7 +51,6 @@ import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.fetchMangaDetailsAsync
 import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
-import eu.kanade.tachiyomi.util.system.sendLocalBroadcast
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import rx.Observable
@@ -120,7 +119,7 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
      * @param uri path of Uri
      * @param isJob backup called from job
      */
-    fun createBackup(uri: Uri, flags: Int, isJob: Boolean) {
+    fun createBackup(uri: Uri, flags: Int, isJob: Boolean): String? {
         // Create root object
         val root = JsonObject()
 
@@ -130,8 +129,11 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
         // Create category array
         val categoryEntries = JsonArray()
 
+        // Create extension ID/name mapping
+        val extensionEntries = JsonArray()
+
         // Add value's to root
-        root[Backup.VERSION] = Backup.CURRENT_VERSION
+        root[Backup.VERSION] = CURRENT_VERSION
         root[Backup.MANGAS] = mangaEntries
         root[CATEGORIES] = categoryEntries
 
@@ -173,6 +175,8 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                 newFile.openOutputStream().bufferedWriter().use {
                     parser.toJson(root, it)
                 }
+
+                return newFile.uri.toString()
             } else {
                 val file = UniFile.fromUri(context, uri)
                         ?: throw Exception("Couldn't create backup file")
@@ -180,23 +184,11 @@ class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
                     parser.toJson(root, it)
                 }
 
-                // Show completed dialog
+                return file.uri.toString()
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_BACKUP_COMPLETED_DIALOG)
-                    putExtra(BackupConst.EXTRA_URI, file.uri.toString())
-                }
-                context.sendLocalBroadcast(intent)
             }
         } catch (e: Exception) {
             Timber.e(e)
-            if (!isJob) {
+            throw e
-                // Show error dialog
-                val intent = Intent(BackupConst.INTENT_FILTER).apply {
-                    putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_BACKUP_DIALOG)
-                    putExtra(BackupConst.EXTRA_ERROR_MESSAGE, e.message)
-                }
-                context.sendLocalBroadcast(intent)
-            }
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupNotifier.kt

@@ -0,0 +1,84 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.graphics.BitmapFactory
+import androidx.core.app.NotificationCompat
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.notification.NotificationReceiver
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.util.system.notificationBuilder
+import eu.kanade.tachiyomi.util.system.notificationManager
+import uy.kohesive.injekt.injectLazy
+
+internal class BackupNotifier(private val context: Context) {
+
+    private val preferences: PreferencesHelper by injectLazy()
+
+    private val progressNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+        setOngoing(true)
+    }
+
+    private val completeNotificationBuilder = context.notificationBuilder(Notifications.CHANNEL_BACKUP_RESTORE) {
+        setLargeIcon(BitmapFactory.decodeResource(context.resources, R.mipmap.ic_launcher))
+        setSmallIcon(R.drawable.ic_tachi)
+        setAutoCancel(false)
+    }
+
+    private fun NotificationCompat.Builder.show(id: Int) {
+        context.notificationManager.notify(id, build())
+    }
+
+    fun showBackupProgress(): NotificationCompat.Builder {
+        val builder = with(progressNotificationBuilder) {
+            setContentTitle(context.getString(R.string.creating_backup))
+
+            setProgress(0, 0, true)
+            setOnlyAlertOnce(true)
+        }
+
+        builder.show(Notifications.ID_BACKUP_PROGRESS)
+
+        return builder
+    }
+
+    fun showBackupError(error: String?) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.backup_failed))
+            setContentText(error)
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+
+    fun showBackupComplete(unifile: UniFile) {
+        context.notificationManager.cancel(Notifications.ID_BACKUP_PROGRESS)
+
+        with(completeNotificationBuilder) {
+            setContentTitle(context.getString(R.string.backup_created))
+
+            if (unifile.filePath != null) {
+                setContentText(unifile.filePath)
+            }
+
+            // Clear old actions if they exist
+            if (mActions.isNotEmpty()) {
+                mActions.clear()
+            }
+
+            addAction(
+                R.drawable.ic_share_grey_24dp,
+                context.getString(R.string.share),
+                NotificationReceiver.shareBackupPendingBroadcast(context, unifile.uri, Notifications.ID_BACKUP_COMPLETE)
+            )
+
+            show(Notifications.ID_BACKUP_COMPLETE)
+        }
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt

@@ -335,7 +335,7 @@ class BackupRestoreService : Service() {
      * keep a partially constructed progress notification for resuse
      */
     private val progressNotification by lazy {
-        NotificationCompat.Builder(this, Notifications.CHANNEL_RESTORE)
+        NotificationCompat.Builder(this, Notifications.CHANNEL_BACKUP_RESTORE)
                 .setContentTitle(getString(R.string.app_name))
                 .setSmallIcon(R.drawable.ic_tachi)
                 .setOngoing(true)
@@ -392,7 +392,7 @@ class BackupRestoreService : Service() {
 
         val restoreString = content.joinToString("\n")
 
-        val resultNotification = NotificationCompat.Builder(this, Notifications.CHANNEL_RESTORE)
+        val resultNotification = NotificationCompat.Builder(this, Notifications.CHANNEL_BACKUP_RESTORE)
                 .setContentTitle(getString(R.string.restore_completed))
                 .setContentText(restoreString)
                 .setStyle(NotificationCompat.BigTextStyle().bigText(restoreString))
@@ -410,7 +410,7 @@ class BackupRestoreService : Service() {
      *
      */
     private fun showErrorNotification(errorMessage: String) {
-        val resultNotification = NotificationCompat.Builder(this, Notifications.CHANNEL_RESTORE)
+        val resultNotification = NotificationCompat.Builder(this, Notifications.CHANNEL_BACKUP_RESTORE)
                 .setContentTitle(getString(R.string.restore_error))
                 .setContentText(errorMessage)
                 .setSmallIcon(R.drawable.ic_error_grey)

app/src/main/java/eu/kanade/tachiyomi/data/notification/NotificationReceiver.kt

@@ -66,6 +66,12 @@ class NotificationReceiver : BroadcastReceiver() {
             // Cancel library update and dismiss notification
             ACTION_CANCEL_LIBRARY_UPDATE -> cancelLibraryUpdate(context)
             ACTION_CANCEL_RESTORE -> cancelRestoreUpdate(context)
+            // Share backup file
+            ACTION_SHARE_BACKUP ->
+                shareBackup(
+                    context, intent.getParcelableExtra(EXTRA_URI),
+                    intent.getIntExtra(EXTRA_NOTIFICATION_ID, -1)
+                )
             // Open reader activity
             ACTION_OPEN_CHAPTER -> {
                 openChapter(context, intent.getLongExtra(EXTRA_MANGA_ID, -1),
@@ -112,6 +118,25 @@ class NotificationReceiver : BroadcastReceiver() {
         // Close Navigation Shade
     }
 
+    /**
+     * Called to start share intent to share backup file
+     *
+     * @param context context of application
+     * @param path path of file
+     * @param notificationId id of notification
+     */
+    private fun shareBackup(context: Context, uri: Uri, notificationId: Int) {
+        val sendIntent = Intent(Intent.ACTION_SEND).apply {
+            putExtra(Intent.EXTRA_STREAM, uri)
+            type = "application/json"
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
+        }
+        // Dismiss notification
+        dismissNotification(context, notificationId)
+        // Launch share activity
+        context.startActivity(sendIntent)
+    }
+
     /**
      * Starts reader activity
      *
@@ -204,6 +229,9 @@ class NotificationReceiver : BroadcastReceiver() {
         // Called to delete image.
         private const val ACTION_DELETE_IMAGE = "$ID.$NAME.DELETE_IMAGE"
 
+        // Called to launch send intent.
+        private const val ACTION_SHARE_BACKUP = "$ID.$NAME.SEND_BACKUP"
+
         // Called to cancel library update.
         private const val ACTION_CANCEL_LIBRARY_UPDATE = "$ID.$NAME.CANCEL_LIBRARY_UPDATE"
 
@@ -231,6 +259,9 @@ class NotificationReceiver : BroadcastReceiver() {
         // Called to dismiss notification.
         private const val ACTION_DISMISS_NOTIFICATION = "$ID.$NAME.ACTION_DISMISS_NOTIFICATION"
 
+        // Value containing uri.
+        private const val EXTRA_URI = "$ID.$NAME.URI"
+
         // Value containing notification id.
         private const val EXTRA_NOTIFICATION_ID = "$ID.$NAME.NOTIFICATION_ID"
 
@@ -468,6 +499,23 @@ class NotificationReceiver : BroadcastReceiver() {
             return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
         }
 
+        /**
+         * Returns [PendingIntent] that starts a share activity for a backup file.
+         *
+         * @param context context of application
+         * @param uri uri of backup file
+         * @param notificationId id of notification
+         * @return [PendingIntent]
+         */
+        internal fun shareBackupPendingBroadcast(context: Context, uri: Uri, notificationId: Int): PendingIntent {
+            val intent = Intent(context, NotificationReceiver::class.java).apply {
+                action = ACTION_SHARE_BACKUP
+                putExtra(EXTRA_URI, uri)
+                putExtra(EXTRA_NOTIFICATION_ID, notificationId)
+            }
+            return PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)
+        }
+
         /**
          * Returns [PendingIntent] that starts a service which stops the restore service
          *

app/src/main/java/eu/kanade/tachiyomi/data/notification/Notifications.kt

@@ -45,10 +45,12 @@ object Notifications {
     const val CHANNEL_UPDATES_TO_EXTS = "updates_ext_channel"
     const val ID_UPDATES_TO_EXTS = -401
 
-    const val CHANNEL_RESTORE = "backup_restore_channel"
+    const val CHANNEL_BACKUP_RESTORE = "backup_restore_channel"
     const val ID_RESTORE_PROGRESS = -501
     const val ID_RESTORE_COMPLETE = -502
-    const val ID_RESTORE_ERROR = -503
+    const val ID_BACKUP_PROGRESS = -502
+    const val ID_BACKUP_COMPLETE = -503
+    const val ID_RESTORE_ERROR = -504
 
     /**
      * Creates the notification channels introduced in Android Oreo.
@@ -83,7 +85,7 @@ object Notifications {
             context.getString(R.string.new_chapters),
             NotificationManager.IMPORTANCE_DEFAULT
         ), NotificationChannel(
-            CHANNEL_RESTORE,
+            CHANNEL_BACKUP_RESTORE,
             context.getString(R.string.restoring_backup),
             NotificationManager.IMPORTANCE_LOW
         ).apply {

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt

@@ -4,10 +4,7 @@ import android.Manifest.permission.WRITE_EXTERNAL_STORAGE
 import android.app.Activity
 import android.app.Dialog
 import android.content.ActivityNotFoundException
-import android.content.BroadcastReceiver
-import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
 import android.net.Uri
 import android.os.Bundle
 import android.view.View
@@ -16,7 +13,6 @@ import com.afollestad.materialdialogs.MaterialDialog
 import com.afollestad.materialdialogs.list.listItemsMultiChoice
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.backup.BackupConst
 import eu.kanade.tachiyomi.data.backup.BackupCreateService
 import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
 import eu.kanade.tachiyomi.data.backup.BackupRestoreService
@@ -24,9 +20,7 @@ import eu.kanade.tachiyomi.data.backup.models.Backup
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.util.system.getFilePicker
-import eu.kanade.tachiyomi.util.system.registerLocalReceiver
 import eu.kanade.tachiyomi.util.system.toast
-import eu.kanade.tachiyomi.util.system.unregisterLocalReceiver
 import eu.kanade.tachiyomi.util.view.requestPermissionsSafe
 import eu.kanade.tachiyomi.data.preference.PreferenceKeys as Keys
 
@@ -37,22 +31,11 @@ class SettingsBackupController : SettingsController() {
      */
     private var backupFlags = 0
 
-    private val receiver = BackupBroadcastReceiver()
-
-    init {
-        preferences.context.registerLocalReceiver(receiver, IntentFilter(BackupConst.INTENT_FILTER))
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         requestPermissionsSafe(arrayOf(WRITE_EXTERNAL_STORAGE), 500)
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        preferences.context.unregisterLocalReceiver(receiver)
-    }
-
     override fun setupPreferenceScreen(screen: PreferenceScreen) = with(screen) {
         titleRes = R.string.backup
 
@@ -170,7 +153,9 @@ class SettingsBackupController : SettingsController() {
 
                 val file = UniFile.fromUri(activity, uri)
 
-                BackupCreateService.makeBackup(activity, file.uri, backupFlags)
+                activity.toast(R.string.creating_backup)
+
+                BackupCreateService.start(activity, file.uri, backupFlags)
             }
             CODE_BACKUP_RESTORE -> if (data != null && resultCode == Activity.RESULT_OK) {
                 val uri = data.data
@@ -212,7 +197,7 @@ class SettingsBackupController : SettingsController() {
                     .title(R.string.create_backup)
                     .message(R.string.what_should_backup)
                 .listItemsMultiChoice(items = options, disabledIndices = intArrayOf(0),
-                    initialSelection = intArrayOf(0)) { _, positions, _ ->
+                    initialSelection = intArrayOf(0, 1, 2, 3, 4)) { _, positions, _ ->
                         var flags = 0
                         for (i in 1 until positions.size) {
                             when (positions[i]) {
@@ -230,33 +215,6 @@ class SettingsBackupController : SettingsController() {
         }
     }
 
-    class CreatedBackupDialog(bundle: Bundle? = null) : DialogController(bundle) {
-        constructor(uri: Uri) : this(Bundle().apply {
-            putParcelable(KEY_URI, uri)
-        })
-
-        override fun onCreateDialog(savedViewState: Bundle?): Dialog {
-            val activity = activity!!
-            val uniFile = UniFile.fromUri(activity, args.getParcelable(KEY_URI))
-            return MaterialDialog(activity).apply {
-                title(R.string.backup_created)
-                if (uniFile.filePath != null)
-                    message(text = resources?.getString(R.string.file_saved_at_, uniFile.filePath))
-                positiveButton(R.string.close)
-                negativeButton(R.string.share) {
-                    val sendIntent = Intent(Intent.ACTION_SEND)
-                    sendIntent.type = "application/json"
-                    sendIntent.putExtra(Intent.EXTRA_STREAM, uniFile.uri)
-                    startActivity(Intent.createChooser(sendIntent, ""))
-                }
-            }
-        }
-
-        private companion object {
-            const val KEY_URI = "BackupCreatedDialog.uri"
-        }
-    }
-
     class RestoreBackupDialog(bundle: Bundle? = null) : DialogController(bundle) {
         constructor(uri: Uri) : this(Bundle().apply {
             putParcelable(KEY_URI, uri)
@@ -280,20 +238,6 @@ class SettingsBackupController : SettingsController() {
         }
     }
 
-    inner class BackupBroadcastReceiver : BroadcastReceiver() {
-        override fun onReceive(context: Context, intent: Intent) {
-            when (intent.getStringExtra(BackupConst.ACTION)) {
-                BackupConst.ACTION_BACKUP_COMPLETED_DIALOG -> {
-                    val uri = Uri.parse(intent.getStringExtra(BackupConst.EXTRA_URI))
-                    CreatedBackupDialog(uri).showDialog(router)
-                }
-                BackupConst.ACTION_ERROR_BACKUP_DIALOG -> {
-                    context.toast(intent.getStringExtra(BackupConst.EXTRA_ERROR_MESSAGE))
-                }
-            }
-        }
-    }
-
     private companion object {
         const val CODE_BACKUP_CREATE = 501
         const val CODE_BACKUP_RESTORE = 502

app/src/main/java/eu/kanade/tachiyomi/util/system/ContextExtensions.kt

@@ -136,6 +136,22 @@ val Float.dpToPxEnd: Float
 val Resources.isLTR
     get() = configuration.layoutDirection == View.LAYOUT_DIRECTION_LTR
 
+/**
+ * Helper method to create a notification builder.
+ *
+ * @param id the channel id.
+ * @param block the function that will execute inside the builder.
+ * @return a notification to be displayed or updated.
+ */
+fun Context.notificationBuilder(channelId: String, block: (NotificationCompat.Builder.() -> Unit)? = null): NotificationCompat.Builder {
+    val builder = NotificationCompat.Builder(this, channelId)
+        .setColor(ContextCompat.getColor(this, R.color.colorAccent))
+    if (block != null) {
+        builder.block()
+    }
+    return builder
+}
+
 /**
  * Property to get the notification manager from the context.
  */

app/src/main/res/values/strings.xml

@@ -476,13 +476,14 @@
     <string name="service">Service</string>
     <string name="backup_frequency">Backup frequency</string>
     <string name="max_auto_backups">Max automatic backups</string>
+    <string name="backup_failed">Backup failed</string>
     <string name="backup_created">Backup created</string>
     <string name="restore_completed">Restore completed</string>
     <string name="restore_error">Restore error</string>
     <string name="restore_completed_content">%1$s Restored. %2$s errors found</string>
     <string name="restore_content_skipped">%1$d skipped</string>
     <string name="restore_message">Restore uses the network to fetch data, carrier costs may apply.\n\nMake sure you have installed all necessary extensions and are logged in to sources and tracking services before restoring.</string>
-    <string name="file_saved_at_">File saved at %1$s</string>
+    <string name="creating_backup">Creating backup</string>
     <string name="what_should_backup">What do you want to backup?</string>
     <string name="restoring_backup">Restoring backup</string>
     <string name="restoring_progress">Restoring (%1$d/%2$d)</string>