Android TouchEvent Modify

Question

I am working with the ViewPager trying to accomplish some animations. One of them is trying to slide from left to right (default transition of view pager is from right to left). I have done that.

My problem is that I want to "hack" the touch event so I don't need to modify the view pager. For example, for the left to right transition, I will want to make some kind of mirroring with the X in the touch event passed to the view pager.

@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
    event.setX(Math.abs(event.getX() - getWidth());
    return super.onInterceptTouchEvent(event);
}

Answer 1

I finally did it.

public boolean dispatchTouchEvent(MotionEvent event) {
    MotionEvent hackedEvent = MotionEvent.obtain(event.getDownTime(),
            event.getEventTime(), event.getAction(), (event.getX() - getWidth()) * -1,
            event.getY(), event.getMetaState());
    boolean result = super.dispatchTouchEvent(hackedEvent);
    hackedEvent.recycle();
    return result;
};