Hello everyone,

I am trying to figure out why my app will stop unexpectedly when
invoking the goToSleep method in PowerManager object. I code my app in
this way:

public class ScreenOff extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        PowerManager pm = (PowerManager)
getSystemService(Context.POWER_SERVICE);
        pm.goToSleep(SystemClock.uptimeMillis());
   }
}

Friends, do you have any idea on this?
Thank you very much

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