Add: Ignore battery optimization's dialog (to fix crashes on A12+)

src/main/kotlin/com/looker/droidify/content/Preferences.kt

@@ -37,7 +37,8 @@ object Preferences {
         Key.Theme,
         Key.DefaultTab,
         Key.UpdateNotify,
-        Key.UpdateUnstable
+        Key.UpdateUnstable,
+        Key.IgnoreIgnoreBatteryOptimization
     ).map { Pair(it.name, it) }.toMap()
 
     fun init(context: Context) {
@@ -178,6 +179,9 @@ object Preferences {
 
         object UpdateNotify : Key<Boolean>("update_notify", Value.BooleanValue(true))
         object UpdateUnstable : Key<Boolean>("update_unstable", Value.BooleanValue(false))
+
+        object IgnoreIgnoreBatteryOptimization :
+            Key<Boolean>("ignore_ignore_battery_optimization", Value.BooleanValue(false))
     }
 
     sealed class AutoSync(override val valueString: String) : Enumeration<AutoSync> {

src/main/kotlin/com/looker/droidify/ui/activities/MainActivityX.kt

@@ -3,6 +3,7 @@ package com.looker.droidify.ui.activities
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.os.PowerManager
 import android.view.Menu
 import android.view.MenuItem
 import android.view.inputmethod.InputMethodManager
@@ -31,6 +32,7 @@ import com.looker.droidify.ui.fragments.Source
 import com.looker.droidify.ui.viewmodels.MainActivityViewModelX
 import com.looker.droidify.utility.extension.android.Android
 import com.looker.droidify.utility.extension.text.nullIfEmpty
+import com.looker.droidify.utility.showBatteryOptimizationDialog
 import kotlinx.coroutines.launch
 import kotlin.properties.Delegates
 
@@ -52,6 +54,7 @@ class MainActivityX : AppCompatActivity() {
     lateinit var appBarConfiguration: AppBarConfiguration
     private lateinit var navController: NavController
     private val viewModel: MainActivityViewModelX by viewModels()
+    private lateinit var powerManager: PowerManager
     val menuSetup = MutableLiveData<Boolean>()
 
     val syncConnection = Connection(SyncService::class.java, onBind = { _, _ ->
@@ -95,6 +98,7 @@ class MainActivityX : AppCompatActivity() {
         setupActionBarWithNavController(navController, appBarConfiguration)
         binding.bottomNavigation.selectedItemId = currentTab
 
+        powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
         if (savedInstanceState == null && (intent.flags and Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) {
             handleIntent(intent)
         }
@@ -117,6 +121,8 @@ class MainActivityX : AppCompatActivity() {
         super.onResume()
         if (currentTheme != Preferences[Preferences.Key.Theme].getResId(resources.configuration))
             recreate()
+        if (!powerManager.isIgnoringBatteryOptimizations(this.packageName) && !Preferences[Preferences.Key.IgnoreIgnoreBatteryOptimization])
+            showBatteryOptimizationDialog()
     }
 
     override fun onSupportNavigateUp(): Boolean {

src/main/kotlin/com/looker/droidify/utility/Utils.kt

@@ -3,11 +3,19 @@ package com.looker.droidify.utility
 import android.app.ActivityManager
 import android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND
 import android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_VISIBLE
+import android.content.ActivityNotFoundException
 import android.content.Context
+import android.content.DialogInterface
+import android.content.Intent
 import android.content.pm.PackageInfo
 import android.content.pm.Signature
 import android.content.res.Configuration
 import android.graphics.drawable.Drawable
+import android.net.Uri
+import android.os.PowerManager
+import android.provider.Settings
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
 import com.looker.droidify.BuildConfig
 import com.looker.droidify.PREFS_LANGUAGE_DEFAULT
 import com.looker.droidify.R
@@ -194,3 +202,27 @@ val isBlackTheme: Boolean
         is Preferences.Theme.AmoledSystem -> true
         else -> false
     }
+
+fun Context.showBatteryOptimizationDialog() {
+    AlertDialog.Builder(this)
+        .setTitle(R.string.ignore_battery_optimization_title)
+        .setMessage(R.string.ignore_battery_optimization_message)
+        .setPositiveButton(R.string.dialog_approve) { dialog: DialogInterface?, _: Int ->
+            val intent = Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS)
+            intent.data = Uri.parse("package:" + this.packageName)
+            try {
+                startActivity(intent)
+            } catch (e: ActivityNotFoundException) {
+                Toast.makeText(
+                    this,
+                    R.string.ignore_battery_optimization_not_supported,
+                    Toast.LENGTH_LONG
+                ).show()
+                Preferences[Preferences.Key.IgnoreIgnoreBatteryOptimization] = true
+            }
+        }
+        .setNeutralButton(R.string.dialog_refuse) { _: DialogInterface?, _: Int ->
+            Preferences[Preferences.Key.IgnoreIgnoreBatteryOptimization] = true
+        }
+        .show()
+}

src/main/res/values/strings.xml

@@ -189,4 +189,9 @@
     <string name="default_tab">Default Tab</string>
     <string name="pending">Pending</string>
     <string name="installing">Installing</string>
+    <string name="ignore_battery_optimization_title">Ignore Battery Optimization</string>
+    <string name="ignore_battery_optimization_message">Starting Android 12 there\'s restrictions on running foreground services causing the app to crash on downloads. To prevent this, you should turn off the battery optimization</string>
+    <string name="ignore_battery_optimization_not_supported">The device doesn\'t support ignoring battery optimizations!</string>
+    <string name="dialog_refuse">Don\'t need it</string>
+    <string name="dialog_approve">Let\'s do it!</string>
 </resources>