安卓端/course_mgmt_app/src/net/common/android/ui/custom/VerticalScrollView.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package net.common.android.ui.custom;

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ScrollView;


public class VerticalScrollView extends ScrollView {
    private float xDistance, yDistance, xLast, yLast;

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

    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        switch (ev.getAction()) {
            case MotionEvent.ACTION_DOWN:
                xDistance = yDistance = 0f;
                xLast = ev.getX();
                yLast = ev.getY();
                break;
            case MotionEvent.ACTION_MOVE:
                final float curX = ev.getX();
                final float curY = ev.getY();
                
                xDistance += Math.abs(curX - xLast);
                yDistance += Math.abs(curY - yLast);
                xLast = curX;
                yLast = curY;
                
                if(xDistance > yDistance){
                	return false;
                }  
        }

        return super.onInterceptTouchEvent(ev);
    }
}