Remove REQUEST_IGNORE_BATTERY_OPTIMIZATIONS feature

app/src/main/AndroidManifest.xml

@@ -11,7 +11,6 @@
 	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 	<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
-	<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
 	<application
 		android:name="org.koitharu.kotatsu.KotatsuApp"

app/src/main/java/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -176,7 +176,6 @@ class AppSettings private constructor(private val prefs: SharedPreferences) :
 		const val KEY_BACKUP = "backup"
 		const val KEY_RESTORE = "restore"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
-		const val KEY_DOZE_WHITELIST = "doze_whitelist"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"
 	}
 }

app/src/main/java/org/koitharu/kotatsu/settings/TrackerSettingsFragment.kt

@@ -1,17 +1,11 @@
 package org.koitharu.kotatsu.settings
 
-import android.annotation.SuppressLint
-import android.content.ActivityNotFoundException
-import android.content.Context
 import android.content.Intent
-import android.net.Uri
 import android.os.Build
 import android.os.Bundle
-import android.os.PowerManager
 import android.provider.Settings
 import androidx.preference.MultiSelectListPreference
 import androidx.preference.Preference
-import com.google.android.material.snackbar.Snackbar
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BasePreferenceFragment
 import org.koitharu.kotatsu.core.prefs.AppSettings
@@ -25,8 +19,6 @@ class TrackerSettingsFragment : BasePreferenceFragment(R.string.new_chapters_che
 
 		findPreference<MultiSelectListPreference>(AppSettings.KEY_TRACK_SOURCES)
 			?.summaryProvider = MultiSummaryProvider(R.string.dont_check)
-		findPreference<Preference>(AppSettings.KEY_DOZE_WHITELIST)
-			?.isVisible = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
 	}
 
 	override fun onPreferenceTreeClick(preference: Preference?): Boolean {
@@ -42,45 +34,7 @@ class TrackerSettingsFragment : BasePreferenceFragment(R.string.new_chapters_che
 				}
 				true
 			}
-			AppSettings.KEY_DOZE_WHITELIST -> {
-				disablePowerOptimization()
-				true
-			}
 			else -> super.onPreferenceTreeClick(preference)
 		}
 	}
-
-	@SuppressLint("BatteryLife")
-	private fun disablePowerOptimization() {
-		val context = context ?: return
-		val powerManager = context.getSystemService(Context.POWER_SERVICE) as? PowerManager
-		if (powerManager == null || Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
-			Snackbar.make(
-				listView ?: return,
-				R.string.operation_not_supported,
-				Snackbar.LENGTH_LONG
-			).show()
-			return
-		}
-		val packageName = context.packageName
-		if (!powerManager.isIgnoringBatteryOptimizations(packageName)) {
-			val intent = Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS)
-				.setData(Uri.parse("package:$packageName"))
-			try {
-				startActivity(intent)
-			} catch (e: ActivityNotFoundException) {
-				Snackbar.make(
-					listView ?: return,
-					R.string.operation_not_supported,
-					Snackbar.LENGTH_LONG
-				).show()
-			}
-		} else {
-			Snackbar.make(
-				listView ?: return,
-				R.string.power_optimization_already_disabled,
-				Snackbar.LENGTH_LONG
-			).show()
-		}
-	}
 }

app/src/main/java/org/koitharu/kotatsu/tracker/work/TrackWorker.kt

@@ -52,9 +52,7 @@ class TrackWorker(context: Context, workerParams: WorkerParameters) :
 		if (tracks.isEmpty()) {
 			return Result.success()
 		}
-		if (tracks.size >= FOREGROUND_TRACKERS_THRESHOLD) {
-			setForeground(createForegroundInfo())
-		}
+		setForeground(createForegroundInfo())
 		var success = 0
 		val workData = Data.Builder()
 			.putInt(DATA_TOTAL, tracks.size)
@@ -204,8 +202,11 @@ class TrackWorker(context: Context, workerParams: WorkerParameters) :
 	private fun createForegroundInfo(): ForegroundInfo {
 		val title = applicationContext.getString(R.string.new_chapters_checking)
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-			val channel =
-				NotificationChannel(WORKER_CHANNEL_ID, title, NotificationManager.IMPORTANCE_NONE)
+			val channel = NotificationChannel(
+				WORKER_CHANNEL_ID,
+				title,
+				NotificationManager.IMPORTANCE_LOW
+			)
 			channel.setShowBadge(false)
 			channel.enableVibration(false)
 			channel.setSound(null, null)
@@ -235,7 +236,6 @@ class TrackWorker(context: Context, workerParams: WorkerParameters) :
 		private const val DATA_PROGRESS = "progress"
 		private const val DATA_TOTAL = "total"
 		private const val TAG = "tracking"
-		private const val FOREGROUND_TRACKERS_THRESHOLD = 4
 
 		@RequiresApi(Build.VERSION_CODES.O)
 		private fun createNotificationChannel(context: Context) {

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

@@ -195,9 +195,6 @@
 	<string name="chapers_checking_progress">Проверка новых глав: %1$d из %2$d</string>
 	<string name="clear_feed">Очистить ленту</string>
 	<string name="text_clear_updates_feed_prompt">Вся история обновлений будет очищена и её нельзя будет вернуть. Вы уверены?</string>
-	<string name="power_optimization_simmary">Может помочь с фоновыми операциями. Используйте только если фоновая проверка новых глав не работает</string>
-	<string name="disable_power_optimization">Отключить оптимизацию батареи</string>
-	<string name="power_optimization_already_disabled">Отпимизация батареи уже отключена</string>
 	<string name="new_chapters_checking">Проверка новых глав</string>
 	<string name="reverse">В обратном порядке</string>
 	<string name="sign_in">Войти</string>

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

@@ -197,9 +197,6 @@
 	<string name="chapers_checking_progress">Checking for new chapters: %1$d of %2$d</string>
 	<string name="clear_feed">Clear feed</string>
 	<string name="text_clear_updates_feed_prompt">All updates history will be cleared and this action cannot be undone. Are you sure?</string>
-	<string name="power_optimization_already_disabled">Power optimization is already disabled</string>
-	<string name="power_optimization_simmary">Helps with background operations such as checking for new chapters. Use only if you have a troubles with it</string>
-	<string name="disable_power_optimization">Disable power optimization</string>
 	<string name="new_chapters_checking">New chapters checking</string>
 	<string name="reverse">Reverse</string>
 	<string name="sign_in">Sign in</string>

app/src/main/res/xml/pref_tracker.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen
 	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto"
-	xmlns:tools="http://schemas.android.com/tools">
+	xmlns:app="http://schemas.android.com/apk/res-auto">
 
 	<MultiSelectListPreference
 		android:defaultValue="@array/values_track_sources_default"
@@ -12,15 +11,6 @@
 		android:title="@string/track_sources"
 		app:iconSpaceReserved="false" />
 
-	<Preference
-		android:key="doze_whitelist"
-		android:persistent="false"
-		android:summary="@string/power_optimization_simmary"
-		android:title="@string/disable_power_optimization"
-		app:iconSpaceReserved="false"
-		app:isPreferenceVisible="false"
-		tools:isPreferenceVisible="true" />
-
 	<SwitchPreference
 		android:defaultValue="true"
 		android:key="tracker_notifications"