Intent myIntent = new Intent(cxt, alarmView.class);
myIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);


PendingIntent proximityIntent = PendingIntent.getActivity(cxt, records.get(pos).process,myIntent, 0);
locationManager.addProximityAlert(records.get(pos).x,
                            records.get(pos).y, records.get(pos).r, // metry
                            -1, proximityIntent);

@Override
public void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);

    /**** Turn the screen on and show your activity ****/
    android.view.Window window = getWindow();
    window.addFlags(android.view.WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
    window.addFlags(android.view.WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
    window.setContentView(R.layout.activity_alarm_view);
    /***************************************************/

    /**** Rest of your code as it is ****/

    /*  ---------------------------- ****/

    /************************************/
}