@Override public void onReceive(Context context, Intent intent) { final String action = intent.getAction(); final boolean enabled = intent.getBooleanExtra(LocationManager.EXTRA_GPS_ENABLED, false); boolean visible; int iconId, textResId; if (action.equals(LocationManager.GPS_FIX_CHANGE_ACTION) && enabled) { // GPS is getting fixes iconId = com.android.internal.R.drawable.stat_sys_gps_on; textResId = R.string.gps_notification_found_text; visible = true; } else if (action.equals(LocationManager.GPS_ENABLED_CHANGE_ACTION) && !enabled) { // GPS is off visible = false; iconId = textResId = 0; } else { // GPS is on, but not receiving fixes iconId = R.drawable.stat_sys_gps_acquiring_anim; textResId = R.string.gps_notification_searching_text; visible = true; } try { if (visible) { Intent gpsIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); gpsIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, gpsIntent, 0); Notification n = new Notification.Builder(mContext) .setSmallIcon(iconId) .setContentTitle(mContext.getText(textResId)) .setOngoing(true) .setContentIntent(pendingIntent) .getNotification(); // Notification.Builder will helpfully fill these out for you no matter what you do n.tickerView = null; n.tickerText = null; n.priority = Notification.PRIORITY_HIGH; int[] idOut = new int[1]; mNotificationService.enqueueNotificationWithTag( mContext.getPackageName(), null, GPS_NOTIFICATION_ID, n, idOut); } else { mNotificationService.cancelNotification(mContext.getPackageName(), GPS_NOTIFICATION_ID); } } catch (android.os.RemoteException ex) { // well, it was worth a shot } }
/** Show the view for the specified duration. */ public void show() { if (mNextView == null) { throw new RuntimeException("setView must have been called"); } INotificationManager service = getService(); String pkg = mContext.getPackageName(); TN tn = mTN; tn.mNextView = mNextView; try { service.enqueueToast(pkg, tn, mDuration); } catch (RemoteException e) { // Empty } }