.java

    public boolean dispatchTouchEvent(MotionEvent event) {
        int x = (int) event.getX();
        int y = (int) event.getY();

        switch (event.getAction) {
            case MotionEvent.ACTION_DOWN:
                parent.requestDisallowInterceptTouchEvent(true);//true表示禁止父容器攔截
                break;
            case MotionEvent.ACTION_MOVE:
                int deltaX = x - mLastX;
                int deltaY = y - mLastY;
                if (父容器需要此类点击事件) {
                    parent.requestDisallowInterceptTouchEvent(false);
                }
                break;
            case MotionEvent.ACTION_UP:
                break;
            default:
                break;
        }

        mLastX = x;
        mLastY = y;
        return super.dispatchTouchEvent(event);
    }