Hi,
I am making an application that has to periodically poll the a server
for something.
For this, I am trying to create a service that'll constantly be
running in the background, poll the server every 1 min and then based
on the reply from server it shall generate a task bar notification.
But i am stuck. For testing purposes i have made a service that beeps
every 1 minute. (No client-server interface yet). It beeps okay when
the screen in on, but when it goes to sleep the beeping stops.
I have a test activity with two buttons, 1 to start and the other to
stop the service. And one service class named S_PS_PollService
The setOnClickListener of 'Start Activity' button contains:
Thread pollServiceThread = new Thread() {
public void run() {
startService(new
Intent(MM_MainMenu.this,
S_PS_PollService.class));
}
};
pollServiceThread.start();
The 'Stop Activity' button simply has:
stopService(new Intent(MM_MainMenu.this, S_PS_PollService.class));
Following are the methods from S_PS_PollService class:
public void onCreate() {
pollSound = MediaPlayer.create(this, R.raw.chirp);
alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
Intent myIntent = new Intent(this, S_PS_PollService.class);
pendingIntent = PendingIntent.getService(this, 0, myIntent, 0);
// for wake lock
pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "My Tag");
// for calendar
calendar = Calendar.getInstance();
}
public void onStart(Intent intent, int startId) {
super.onStart(intent, startId);
wl.acquire();
pollSound.start();
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.add(Calendar.MILLISECOND, 60000);
alarmManager.set(AlarmManager.RTC_WAKEUP,
calendar.getTimeInMillis(), pendingIntent);
wl.release();
}
Whenever the alarm kicks off onStart() method is executed, making the
beep and setting new alarm. But it works only as long as screen is on.
I have tried for https://github.com/commonsguy/cwac-wakeful but didnt
get it. Relatively new to android ...
Please help me, im very desperate :) Thanks, !
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