Android Navigation Drawer Doesn't Pass onTouchEvent to Activity

Question

I have an Activity which uses the Android NavigationDrawer. When using only fragments (as usual), everything works perfect. But now I

Answer 1

I have a solution:

Set OnTouchListener on the screen layout (the first childview of DrawerLayout, normally) and transmit the TouchEvent to a custom GestureDetector.

So, you can do your own things in it. One more important thing: if you want to override onSingleTapUp() or something else, you should return true in onDown() to make sure that you can get the rest MotionEvent to make onSingleTapUp() work.

private class MyGestureListener implements GestureDetector.OnGestureListener{
    @Override
    public boolean onDown(MotionEvent e) {

        return true;
    }

    @Override
    public void onShowPress(MotionEvent e) {

    }

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
        // do your own things
        return true;
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
        return false;
    }

    @Override
    public void onLongPress(MotionEvent e) {

    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
        return false;
    }


}

and set it :

 mGestureDetector=new GestureDetector(this, new MyGestureListener());

    layout_content.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {

            return  mGestureDetector.onTouchEvent(event);
        }
    });