package com.yidianling.dynamic.common.view; import android.annotation.TargetApi; import android.content.Context; import android.util.AttributeSet; import android.view.MotionEvent; import android.widget.ScrollView; /** * 这个ScrlloView不拦截水平滑动事件, * 是用来解决 ScrollView里面嵌套ViewPager使用的 * Created by xiongyu on 2017/3/27. */ public class VerticalScrollView extends ScrollView { public VerticalScrollView(Context context) { super(context); } public VerticalScrollView(Context context, AttributeSet attrs) { super(context, attrs); } public VerticalScrollView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } @TargetApi(21) public VerticalScrollView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); } private float mDownPosX = 0; private float mDownPosY = 0; @Override public boolean onInterceptTouchEvent(MotionEvent ev) { final float x = ev.getX(); final float y = ev.getY(); final int action = ev.getAction(); switch (action) { case MotionEvent.ACTION_DOWN: mDownPosX = x; mDownPosY = y; break; case MotionEvent.ACTION_MOVE: final float deltaX = Math.abs(x - mDownPosX); final float deltaY = Math.abs(y - mDownPosY); // 这里是够拦截的判断依据是左右滑动,读者可根据自己的逻辑进行是否拦截 if (deltaX > deltaY) { return false; } } return super.onInterceptTouchEvent(ev); } }