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Code Issues Projects Releases Wiki Activity

Hold a wake lock during app startup and shutdown.

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This commit is contained in:
akwizgran
2020-08-10 16:50:40 +01:00
parent 452c3afbb3
commit 1e2dc862ef
1 changed files with 89 additions and 71 deletions
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160
briar-android/src/main/java/org/briarproject/briar/android/BriarService.java
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@@ -19,12 +19,15 @@ import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.AndroidWakeLockManager;
import org.briarproject.bramble.api.system.WakefulIoExecutor;
import org.briarproject.briar.R;
import org.briarproject.briar.android.logout.HideUiActivity;
import org.briarproject.briar.api.android.AndroidNotificationManager;
import org.briarproject.briar.api.android.LockManager;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
@@ -48,6 +51,7 @@ import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.ALREADY_RUNNING;
import static org.briarproject.bramble.api.lifecycle.LifecycleManager.StartResult.SUCCESS;
import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_CHANNEL_ID;
import static org.briarproject.briar.api.android.AndroidNotificationManager.FAILURE_NOTIFICATION_ID;
@@ -80,6 +84,11 @@ public class BriarService extends Service {
AccountManager accountManager;
@Inject
LockManager lockManager;
@Inject
AndroidWakeLockManager wakeLockManager;
@Inject
@WakefulIoExecutor
Executor wakefulIoExecutor;
// Fields that are accessed from background threads must be volatile
@Inject
@@ -108,54 +117,57 @@ public class BriarService extends Service {
return;
}
// Create notification channels
if (SDK_INT >= 26) {
NotificationManager nm = (NotificationManager)
getSystemService(NOTIFICATION_SERVICE);
NotificationChannel ongoingChannel = new NotificationChannel(
ONGOING_CHANNEL_ID,
getString(R.string.ongoing_notification_title),
IMPORTANCE_NONE);
ongoingChannel.setLockscreenVisibility(VISIBILITY_SECRET);
nm.createNotificationChannel(ongoingChannel);
NotificationChannel failureChannel = new NotificationChannel(
FAILURE_CHANNEL_ID,
getString(R.string.startup_failed_notification_title),
IMPORTANCE_DEFAULT);
failureChannel.setLockscreenVisibility(VISIBILITY_SECRET);
nm.createNotificationChannel(failureChannel);
}
Notification foregroundNotification =
notificationManager.getForegroundNotification();
startForeground(ONGOING_NOTIFICATION_ID, foregroundNotification);
// Start the services in a background thread
new Thread(() -> {
StartResult result = lifecycleManager.startServices(dbKey);
if (result == SUCCESS) {
started = true;
} else if (result == ALREADY_RUNNING) {
LOG.info("Already running");
stopSelf();
} else {
if (LOG.isLoggable(WARNING))
LOG.warning("Startup failed: " + result);
showStartupFailureNotification(result);
stopSelf();
// Hold a wake lock during startup
wakeLockManager.runWakefully(() -> {
// Create notification channels
if (SDK_INT >= 26) {
NotificationManager nm = (NotificationManager)
requireNonNull(getSystemService(NOTIFICATION_SERVICE));
NotificationChannel ongoingChannel = new NotificationChannel(
ONGOING_CHANNEL_ID,
getString(R.string.ongoing_notification_title),
IMPORTANCE_NONE);
ongoingChannel.setLockscreenVisibility(VISIBILITY_SECRET);
nm.createNotificationChannel(ongoingChannel);
NotificationChannel failureChannel = new NotificationChannel(
FAILURE_CHANNEL_ID,
getString(R.string.startup_failed_notification_title),
IMPORTANCE_DEFAULT);
failureChannel.setLockscreenVisibility(VISIBILITY_SECRET);
nm.createNotificationChannel(failureChannel);
}
}).start();
// Register for device shutdown broadcasts
receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
LOG.info("Device is shutting down");
shutdownFromBackground();
}
};
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_SHUTDOWN);
filter.addAction("android.intent.action.QUICKBOOT_POWEROFF");
filter.addAction("com.htc.intent.action.QUICKBOOT_POWEROFF");
registerReceiver(receiver, filter);
Notification foregroundNotification =
notificationManager.getForegroundNotification();
startForeground(ONGOING_NOTIFICATION_ID, foregroundNotification);
// Start the services in a background thread
wakefulIoExecutor.execute(() -> {
StartResult result = lifecycleManager.startServices(dbKey);
if (result == SUCCESS) {
started = true;
} else if (result == ALREADY_RUNNING) {
LOG.info("Already running");
stopSelf();
} else {
if (LOG.isLoggable(WARNING))
LOG.warning("Startup failed: " + result);
showStartupFailureNotification(result);
stopSelf();
}
});
// Register for device shutdown broadcasts
receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
LOG.info("Device is shutting down");
shutdownFromBackground();
}
};
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_SHUTDOWN);
filter.addAction("android.intent.action.QUICKBOOT_POWEROFF");
filter.addAction("com.htc.intent.action.QUICKBOOT_POWEROFF");
registerReceiver(receiver, filter);
}, "LifecycleStartup");
}
@Override
@@ -179,8 +191,8 @@ public class BriarService extends Service {
i.putExtra(EXTRA_NOTIFICATION_ID, FAILURE_NOTIFICATION_ID);
b.setContentIntent(PendingIntent.getActivity(BriarService.this,
0, i, FLAG_UPDATE_CURRENT));
Object o = getSystemService(NOTIFICATION_SERVICE);
NotificationManager nm = (NotificationManager) o;
NotificationManager nm = (NotificationManager)
requireNonNull(getSystemService(NOTIFICATION_SERVICE));
nm.notify(FAILURE_NOTIFICATION_ID, b.build());
// Bring the dashboard to the front to clear the back stack
i = new Intent(BriarService.this, ENTRY_ACTIVITY);
@@ -205,14 +217,17 @@ public class BriarService extends Service {
@Override
public void onDestroy() {
super.onDestroy();
LOG.info("Destroyed");
stopForeground(true);
if (receiver != null) unregisterReceiver(receiver);
// Stop the services in a background thread
new Thread(() -> {
if (started) lifecycleManager.stopServices();
}).start();
// Hold a wake lock during shutdown
wakeLockManager.runWakefully(() -> {
super.onDestroy();
LOG.info("Destroyed");
stopForeground(true);
if (receiver != null) unregisterReceiver(receiver);
// Stop the services in a background thread
wakefulIoExecutor.execute(() -> {
if (started) lifecycleManager.stopServices();
});
}, "LifecycleShutdown");
}
@Override
@@ -257,20 +272,23 @@ public class BriarService extends Service {
}
private void shutdownFromBackground() {
// Stop the service
stopSelf();
// Hide the UI
hideUi();
// Wait for shutdown to complete, then exit
new Thread(() -> {
try {
if (started) lifecycleManager.waitForShutdown();
} catch (InterruptedException e) {
LOG.info("Interrupted while waiting for shutdown");
}
LOG.info("Exiting");
System.exit(0);
}).start();
// Hold a wake lock during shutdown
wakeLockManager.runWakefully(() -> {
// Stop the service
stopSelf();
// Hide the UI
hideUi();
// Wait for shutdown to complete, then exit
wakefulIoExecutor.execute(() -> {
try {
if (started) lifecycleManager.waitForShutdown();
} catch (InterruptedException e) {
LOG.info("Interrupted while waiting for shutdown");
}
LOG.info("Exiting");
System.exit(0);
});
}, "BackgroundShutdown");
}
/**