[android-developers] PARTIAL_WAKE_LOCK and Android 2.3.x

Hello,


what is the magic with wake locks?

I try to prevent that the phone is going to sleep.

Here my code (snippet):

public class GPSListenerHandler extends Handler implements
GpsStatus.Listener, LocationListener {

private WakeLock wakeLock;

protected boolean isWakeLocked;


public GPSListenerHandler(Looper l, Context c) {

super(l);

// ...

final PowerManager mgr = (PowerManager)
c.getSystemService(Context.POWER_SERVICE);
this.wakeLock = mgr.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"GPSListener");
}

@Override
public void handleMessage(Message msg) {

if (msg.arg1 == GPSTrackingService.START) {

this.wakeLock.acquire();
this.isWakeLocked = true;

this.tracking = true;
startLogging();

} else if (msg.arg1 == GPSTrackingService.STOP) {

if (this.isWakeLocked) {
this.wakeLock.release();
}
this.tracking = false;
stopLogging();
}
}

// ...

}

Now my Android 2.3.x devices going to sleep after round about 10
minutes, my 4.x devices stay awake.


What's wrong?


Ralph

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