Android ScrollView與ViewPager滑動上下左右衝突

重寫ScrollView

public class CustomScrollView extends ScrollView {

    private GestureDetector mGestureDetector;
    View.OnTouchListener mGestureListener;

    public CustomScrollView(Context context, AttributeSet attrs) {
        super(context, attrs);
        mGestureDetector = new GestureDetector(context, new YScrollDetector());
    }

    public CustomScrollView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        mGestureDetector = new GestureDetector(context, new YScrollDetector());
    }

    public CustomScrollView(Context context) {
        super(context);
        mGestureDetector = new GestureDetector(context, new YScrollDetector());
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        return super.onInterceptTouchEvent(ev)
                && mGestureDetector.onTouchEvent(ev);
    }

   
    class YScrollDetector extends SimpleOnGestureListener {
        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2,
                float distanceX, float distanceY) {
            if (Math.abs(distanceY) > Math.abs(distanceX)) {
                return true;
            }
            return false;
        }
    }

}