AlarmService_Servicepublic class AlarmService_Service extends android.app.Service implements Runnable| This is an example of implementing an application service that will run in
response to an alarm, allowing us to move long duration work out of an
intent receiver. |
| Fields Summary |
|---|
| private final android.os.IBinder | mBinder | | private android.app.NotificationManager | mNM |
| Methods Summary |
|---|
| public android.os.IBinder | getBinder()
return mBinder;
| | protected void | onCreate()
mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
// This is who should be launched if the user selects our persistent
// notification.
Intent intent = new Intent(this, AlarmService.class);
// We are going to display a notification for the entire time that we
// are running.
mNM.notifyWithText(R.string.alarm_service_started,
getText(R.string.alarm_service_started),
NotificationManager.LENGTH_SHORT,
new Notification(
R.drawable.stat_sample,
getText(R.string.alarm_service_label),
intent,
null,
null));
// Start up the thread running the service. Note that we create a
// separate thread because the service normally runs in the process's
// main thread, which we don't want to block.
Thread thr = new Thread(null, this, "AlarmService_Service");
thr.start();
| | protected void | onDestroy()
// Cancel the persistent notification.
mNM.cancel(R.string.alarm_service_started);
// Tell the user we stopped.
mNM.notifyWithText(R.string.alarm_service_finished,
getText(R.string.alarm_service_finished),
NotificationManager.LENGTH_SHORT,
null);
| | public void | run()
// Normally we would do some work here... for our sample, we will
// just sleep for 30 seconds.
long endTime = System.currentTimeMillis() + 15*1000;
while (System.currentTimeMillis() < endTime) {
synchronized (mBinder) {
try {
mBinder.wait(endTime - System.currentTimeMillis());
} catch (Exception e) {
}
}
}
// Done with our work... stop the service!
this.stopSelf();
|
|
