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);
}
}
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