直接上代碼  我這個scrollview因為業務需求做了滑動監聽   解決慣性問題只需在onInterceptTouchEvent(MotionEvent e)方法里做處理就行  別的不需要考慮  簡單  暴力

/**
 * 帶滾動監聽的Scrollview
 * 用於隨着Scrollview的滑動更改狀態欄的透明度
 */
public class MyScrollview extends ScrollView {
    private int downX;
    private int downY;
    private int mTouchSlop;
    private ScrollViewListener scrollViewListener = null;

    public MyScrollview(Context context) {
        super(context);
    }

    public MyScrollview(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public MyScrollview(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public void setScrollViewListener(ScrollViewListener scrollViewListener) {
        this.scrollViewListener = scrollViewListener;
    }

    @Override
    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
        super.onScrollChanged(l, t, oldl, oldt);
        if (scrollViewListener != null) {
            scrollViewListener.onScrollChanged(this, l, t, oldl, oldt);
        }
    }

    public interface ScrollViewListener {
        void onScrollChanged(MyScrollview scrollView, int l, int t, int oldl, int oldt);
    }


    /**
 * 屏蔽內部recyclerview的滑動事件
 * @param e
 * @return
 */
 @Override
    public boolean onInterceptTouchEvent(MotionEvent e) {
        int action = e.getAction();
        switch (action) {
            case MotionEvent.ACTION_DOWN:
                downX = (int) e.getRawX();
                downY = (int) e.getRawY();
                break;
            case MotionEvent.ACTION_MOVE:
                int moveY = (int) e.getRawY();
                if (Math.abs(moveY - downY) > mTouchSlop) {
                    return true;
                }
        }
        return super.onInterceptTouchEvent(e);
    }
}