feat(settings screen): add battery optimization notification

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.REQUEST_DELETE_PACKAGES" />
+    <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
     <queries>
         <intent>

app/src/main/java/app/revanced/manager/compose/ui/screen/SettingsScreen.kt

@@ -1,19 +1,39 @@
 package app.revanced.manager.compose.ui.screen
 
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.PowerManager
+import android.provider.Settings
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.ExperimentalAnimationApi
+import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.BatteryAlert
 import androidx.compose.material.icons.outlined.*
 import androidx.compose.material3.*
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import app.revanced.manager.compose.R
@@ -24,6 +44,7 @@ import app.revanced.manager.compose.ui.viewmodel.SettingsViewModel
 import dev.olshevski.navigation.reimagined.*
 import org.koin.androidx.compose.getViewModel
 
+@SuppressLint("BatteryLife")
 @OptIn(ExperimentalMaterial3Api::class, ExperimentalAnimationApi::class)
 @Composable
 @Stable
@@ -33,6 +54,11 @@ fun SettingsScreen(
 ) {
     val navController =
         rememberNavController<SettingsDestination>(startDestination = SettingsDestination.Settings)
+
+    val context = LocalContext.current
+    val pm = context.getSystemService(Context.POWER_SERVICE) as PowerManager
+    var showBatteryButton by remember { mutableStateOf(!pm.isIgnoringBatteryOptimizations(context.packageName)) }
+
     val settingsSections = listOf(
         Triple(
             R.string.general,
@@ -62,7 +88,6 @@ fun SettingsScreen(
     )
     NavBackHandler(navController)
 
-
     AnimatedNavHost(
         controller = navController
     ) { destination ->
@@ -90,8 +115,6 @@ fun SettingsScreen(
             )
 
             is SettingsDestination.Settings -> {
-
-
                 Scaffold(
                     topBar = {
                         AppTopBar(
@@ -107,6 +130,32 @@ fun SettingsScreen(
                             .verticalScroll(rememberScrollState()),
                         verticalArrangement = Arrangement.spacedBy(12.dp)
                     ) {
+                        AnimatedVisibility(visible = showBatteryButton) {
+                            Card(
+                                onClick = {
+                                    context.startActivity(Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS).apply {
+                                        data = Uri.parse("package:${context.packageName}")
+                                    })
+                                    showBatteryButton = !pm.isIgnoringBatteryOptimizations(context.packageName)
+                                },
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(16.dp)
+                                    .clip(RoundedCornerShape(24.dp))
+                                    .background(MaterialTheme.colorScheme.tertiaryContainer),
+                            ) {
+                                Row(
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .padding(16.dp),
+                                    verticalAlignment = Alignment.CenterVertically,
+                                    horizontalArrangement = Arrangement.spacedBy(16.dp)
+                                ) {
+                                    Icon(imageVector = Icons.Default.BatteryAlert, contentDescription = null, tint = MaterialTheme.colorScheme.onTertiaryContainer, modifier = Modifier.size(24.dp))
+                                    Text(text = stringResource(R.string.battery_optimization_notification), style = MaterialTheme.typography.bodyMedium, color = MaterialTheme.colorScheme.onTertiaryContainer)
+                                }
+                            }
+                        }
                         settingsSections.forEach { (titleDescIcon, destination) ->
                             ListItem(
                                 modifier = Modifier.clickable { navController.navigate(destination) },

app/src/main/java/app/revanced/manager/compose/ui/screen/settings/UpdatesSettingsScreen.kt

@@ -76,7 +76,7 @@ fun UpdateNotification() {
         modifier = Modifier
             .fillMaxWidth()
             .padding(16.dp)
-            .clip(RoundedCornerShape(16.dp))
+            .clip(RoundedCornerShape(24.dp))
             .background(MaterialTheme.colorScheme.secondaryContainer)
     ) {
         Row(

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

@@ -91,4 +91,5 @@
     <string name="update_notifications_description">Dialog on app launch + badges</string>
     <string name="changelog">Changelog</string>
     <string name="changelog_description">Check out the latest changes in this update</string>
+    <string name="battery_optimization_notification">Battery optimization must be turned off in order for ReVanced Manager to work correctly in the background. Tap here to turn off.</string>
 </resources>