[MA] revisar permisos via snackbar

apk/controller/app/build.gradle

@@ -77,4 +77,5 @@ android {
 dependencies {
 	implementation 'androidx.appcompat:appcompat:1.4.1'
 	implementation 'androidx.biometric:biometric:1.1.0'
+	implementation 'com.google.android.material:material:1.11.0'
 }

apk/controller/app/src/main/java/org/iiab/controller/MainActivity.java

@@ -49,6 +49,7 @@ import androidx.annotation.NonNull;
 import androidx.biometric.BiometricManager;
 import androidx.biometric.BiometricPrompt;
 import androidx.core.content.ContextCompat;
+import com.google.android.material.snackbar.Snackbar;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -99,6 +100,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 
 	private ActivityResultLauncher<Intent> vpnPermissionLauncher;
 	private ActivityResultLauncher<String[]> requestPermissionsLauncher;
+	private ActivityResultLauncher<Intent> batteryOptLauncher;
 	
 	private boolean isReadingLogs = false;
 	private final Handler sizeUpdateHandler = new Handler();
@@ -133,6 +135,14 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 				}
 		);
 
+		batteryOptLauncher = registerForActivityResult(
+				new ActivityResultContracts.StartActivityForResult(),
+				result -> {
+					Log.d(TAG, "Regresamos de la pantalla de ajustes de batería");
+					checkBatteryOptimizations();
+				}
+		);
+
 		requestPermissionsLauncher = registerForActivityResult(
 				new ActivityResultContracts.RequestMultiplePermissions(),
 				result -> {
@@ -221,6 +231,13 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 		};
 	}
 
+	private void showBatterySnackbar() {
+		View rootView = findViewById(android.R.id.content);
+		Snackbar.make(rootView, R.string.battery_opt_denied, Snackbar.LENGTH_INDEFINITE)
+				.setAction(R.string.fix_action, v -> checkBatteryOptimizations())
+				.show();
+	}
+
 	private void initiatePermissionChain() {
 		List<String> permissions = new ArrayList<>();
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
@@ -356,6 +373,16 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 	@Override
 	protected void onResume() {
 		super.onResume();
+		// Comprobamos batería siempre que volvemos a la app
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+			PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+			if (pm != null && !pm.isIgnoringBatteryOptimizations(getPackageName())) {
+				// Si no está ignorado, mostramos el aviso (o Snackbar si ya se lanzó el diálogo)
+				Log.d(TAG, "onResume: Batería aún optimizada, mostrando aviso");
+				showBatterySnackbar();
+			}
+		}
+
 		if (getIntent() != null && getIntent().getBooleanExtra(VpnRecoveryReceiver.EXTRA_RECOVERY, false)) {
 			addToLog(getString(R.string.recovery_pulse_received));
 			Intent vpnIntent = new Intent(this, TProxyService.class);
@@ -398,7 +425,7 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
 				else {
 					Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
 					intent.setData(Uri.parse("package:" + getPackageName()));
-					startActivity(intent);
+					batteryOptLauncher.launch(intent);
 				}
 			}
         }

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

@@ -79,5 +79,7 @@
 
 	<!-- Brand specific battery warnings -->
 	<string name="battery_opt_oppo_extra">\n\nOPPO/Realme detected: Please ensure you also enable \'Allow background activity\' in this app\'s settings.</string>
-	<string name="battery_opt_xiaomi_extra">\n\nXiaomi detected: Please set battery saver to \'No restrictions\' for this app.</string>
+	<string name="battery_opt_xiaomi_extra">\n\nXiaomi detected: Please set battery saver to \'No restrictions\' in settings.</string>
+    <string name="battery_opt_denied">Para que la app funcione al 100%, desactiva la optimización de batería.</string>
+    <string name="fix_action">SOLUCIONAR</string>
 </resources>