Turn off GPS icon when LocationListener is sleeping

匿名 (未验证) 提交于 2019-12-03 02:50:02

问题:

I am struggling a bit with the LocationListener in Android. I want to make an app that will get the current GPS location, and then afterwards sleep for a long time. A day or more. In this period of time i want the GPS notification icon to not show.

What i have now, is in the onLocationChanged a Thread.sleep(x) but this will keep the icon on in the sleep period. How can i do this, and is there a better approach than to use Thread.sleep?

Thanks in advance

回答1:

You have to turn off the LocationManager completly for that. I did it in my App, where I only check the Location every 10 seconds, 'cause I found out, that the turning off saves a bit more battery power than a min_distance or min_time of the LocationManager.

Something like:

// Turning off mLocationManager.removeUpdates(gpsListener); mLocationManager = null;  // Turning on again mLocationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);             mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, GPS_MINTIME, GPS_MINDISTANCE, gpsListener);

The icon will disappear till the LocationManager is turned on again.



回答2:

If you have overlays, think to disable the location on them too :

@Override protected void onResume() {     Log.i("ProjetTEA", "onResumeMain");     if (mLocationListener != null)     {         mLocationOverlay.enableMyLocation();         mLocationManager = (LocationManager) getApplicationContext().getSystemService(LOCATION_SERVICE);         mLocationManager.requestLocationUpdates(mBestProvider, 10000, 2, mLocationListener);     }     super.onResume(); }  @Override protected void onPause() {     Log.i("ProjetTEA", "onPauseMain");     mLocationOverlay.disableMyLocation();     mLocationManager.removeUpdates(mLocationListener);     mLocationManager = null;     super.onPause(); }


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