ScrollView

    
   
//        scrollView.contentSize = CGSizeMake(self.view.frame.size.width * 10, self.view.frame.size.height);
   
//        [self.view addSubview:scrollView];
   
//        scrollView.delegate = self;
   
//        scrollView.pagingEnabled = YES;
   
//        scrollView.showsHorizontalScrollIndicator = NO;
   
//        for (int i = 0; i < 10; i++) {
   
//            UIImage *image = [UIImage imageNamed:@"Default"];
   
//            UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
   
//            imageView.frame = CGRectMake(self.view.frame.size.width * i, 0, self.view.frame.size.width, self.view.frame.size.height);
   
//            [scrollView addSubview:imageView];



   
scrollView.contentSize =
CGSizeMake(self.view.frame.size.width
 * 2, 
self.view.frame.size.height);
    [self.view
addSubview:scrollView];
   
scrollView.delegate =
self;
   
scrollView.pagingEnabled =
YES;
   
scrollView.showsHorizontalScrollIndicator =
NO;
    
   
viewOne.frame =
CGRectMake(self.view.frame.size.width
 * 0, 
0, self.view.frame.size.width,
self.view.frame.size.height);
    [scrollView
addSubview:viewOne];
    
   
viewTwo.frame =
CGRectMake(self.view.frame.size.width
 * 1, 
0, self.view.frame.size.width,
self.view.frame.size.height);
    [scrollView
addSubview:viewOne];

android开发中ScrollView嵌套ScrollView是android最常用的功能,众所周知,android 里两个相同方向的ScrollView是不能嵌套的,那要是有这样的需求怎么办?

目前做的这个只支持两个ScrollView嵌套,两个以上还有待改进,能套两个就已经能满足很多需求了,呵呵,另外现在只做了纵向scrollview的支持,横向的还没做

package com.example.easy.view;

/** 

 * Created by admin on 2016/5/10. 

 */ 

import android.content.Context;

import android.util.AttributeSet;

import android.view.MotionEvent;

import android.view.View;

import android.widget.ScrollView;

public class InnerScrollView extends ScrollView {

/**

 */

public ScrollView parentScrollView;

public InnerScrollView(Context context, AttributeSet attrs) {

    super(context, attrs);

}

private int lastScrollDelta = 0;

public void resume() {

    overScrollBy(0, -lastScrollDelta, 0, getScrollY(), 0, getScrollRange(), 0, 0, true);

    lastScrollDelta = 0;

}

int mTop = 10;

/**

 * 将targetView滚到最顶端

 */

public void scrollTo(View targetView) {

    int oldScrollY = getScrollY();

    int top = targetView.getTop() - mTop;

    int delatY = top - oldScrollY;

    lastScrollDelta = delatY;

    overScrollBy(0, delatY, 0, getScrollY(), 0, getScrollRange(), 0, 0, true);

}

private int getScrollRange() {

    int scrollRange = 0;

    if (getChildCount() > 0) {

        View child = getChildAt(0);

        scrollRange = Math.max(0, child.getHeight() - (getHeight()));

    }

    return scrollRange;

}

int currentY;

@Override

public boolean onInterceptTouchEvent(MotionEvent ev) {

    if (parentScrollView == null) {

        return super.onInterceptTouchEvent(ev);

    } else {

        if (ev.getAction() == MotionEvent.ACTION_DOWN) {

            // 将父scrollview的滚动事件拦截

            currentY = (int)ev.getY();

            setParentScrollAble(false);

            return super.onInterceptTouchEvent(ev);

        } else if (ev.getAction() == MotionEvent.ACTION_UP) {

            // 把滚动事件恢复给父Scrollview

            setParentScrollAble(true);

        } else if (ev.getAction() == MotionEvent.ACTION_MOVE) {

        }

    }

    return super.onInterceptTouchEvent(ev);

}

@Override

public boolean onTouchEvent(MotionEvent ev) {

    View child = getChildAt(0);

    if (parentScrollView != null) {

        if (ev.getAction() == MotionEvent.ACTION_MOVE) {

            int height = child.getMeasuredHeight();

            height = height - getMeasuredHeight();

            // System.out.println("height=" + height);

            int scrollY = getScrollY();

            // System.out.println("scrollY" + scrollY);

            int y = (int)ev.getY();

            // 手指向下滑动

            if (currentY < y) {

                if (scrollY <= 0) {

                    // 如果向下滑动到头,就把滚动交给父Scrollview

                    setParentScrollAble(true);

                    return false;

                } else {

                    setParentScrollAble(false);

                }

            } else if (currentY > y) {

                if (scrollY >= height) {

                    // 如果向上滑动到头,就把滚动交给父Scrollview

                    setParentScrollAble(true);

                    return false;

                } else {

                    setParentScrollAble(false);

                }

            }

            currentY = y;

        }

    }

    return super.onTouchEvent(ev);

}

/**

 * 是否把滚动事件交给父scrollview

 *

 * @param flag

 */

private void setParentScrollAble(boolean flag) {

    parentScrollView.requestDisallowInterceptTouchEvent(!flag);

}


} 

dit

// 初始化

var scrollView = new ccui.ScrollView();
// 设置方向

scrollView.setDirection(ccui.ScrollView.DIR_VERTICAL);
// 允许交互

scrollView.setTouchEnabled(true);
// 设置回弹

scrollView.setBounceEnabled(true);
// 设置滑动的惯性

scrollView.setInertiaScrollEnabled(true);
// 设置滚动内容的范围

scrollView.setContentSize(cc.size(size.width, size.height));
// 设置容器的大小

scrollView.setInnerContainerSize(cc.size(size.width, size.height*4));
// 添加触摸事件监听器

scrollView.addEventListener(this.scrollViewCall, this);
// 锚点

scrollView.setAnchorPoint(cc.p(0,0));
// 位置坐标

scrollView.setPosition(cc.p(0,0));
// 滚动至底部

scrollView.jumpToBottom();
// 0-3滑动到上下左右触发,4滑动一直触发,5-8惯性滑动到上下左右触发

scrollViewCall:function(sender, type){

switch (type){

case ccui.ScrollView.EVENT_SCROLL_TO_TOP:break;

case ccui.ScrollView.EVENT_SCROLL_TO_BOTTOM:break;

case ccui.ScrollView.EVENT_SCROLL_TO_LEFT:break;

case ccui.ScrollView.EVENT_SCROLL_TO_RIGHT:break;

case ccui.ScrollView.EVENT_SCROLLING:break;

case ccui.ScrollView.EVENT_BOUNCE_TOP:break;

case ccui.ScrollView.EVENT_BOUNCE_BOTTOM:break;

case ccui.ScrollView.EVENT_BOUNCE_LEFT:break;

case ccui.ScrollView.EVENT_BOUNCE_RIGHT:break;

default:break;

}

},
this.addChild(scrollView);