Тяжело ли глобально перехватить нажатия пальца?

import android.app.Service;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.os.IBinder;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.WindowManager;
 
public class GlobalTouchService extends Service {
 
    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }
    
    @Override
    public void onCreate() {
        super.onCreate();
        
        WindowManager.LayoutParams params = new WindowManager.LayoutParams(
                WindowManager.LayoutParams.MATCH_PARENT,
                WindowManager.LayoutParams.MATCH_PARENT,
                WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
                        | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
                        | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH,
                PixelFormat.TRANSLUCENT);
        WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
        View detector = new View(this);
        detector.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                Log.d("touch", "touch. x=" + event.getX() + ", y=" + event.getY());
                return false;
            }
        });
                
        wm.addView(detector, params);
        
    }
    
}

startService(new Intent(this, GlobalTouchService.class));

                0,
                //WindowManager.LayoutParams.MATCH_PARENT,
                0,
                //WindowManager.LayoutParams.MATCH_PARENT,

0,
//WindowManager.LayoutParams.MATCH_PARENT,
0,
//WindowManager.LayoutParams.MATCH_PARENT,