MyScrollView.java

package com.duguang.baseanimation.ui.customview.hscrollview;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.HorizontalScrollView;

/**
* @create date 2012-01-14
* @author 刘利涛    HorizontalScrollView
* @class description 自定义HorizontalScrollView实现更多的滑动效果
*/
public class MyScrollView extends HorizontalScrollView{
	public MyScrollView(Context context) {
		super(context);
	}
	public MyScrollView(Context context, AttributeSet attrs) {
		super(context, attrs);
	
	}
	public MyScrollView(Context context, AttributeSet attrs, int defStyle) {
		super(context, attrs, defStyle);
	}
	@Override
	protected void onScrollChanged(int l, int t, int oldl, int oldt) {
	        View view = (View) getChildAt(getChildCount()-1);
	        // 如果为0，证明滑动到最左边
	        if(view.getLeft()-getScrollX()==0){
	        	onScrollListener.onLeft();
	        //如果为0证明滑动到最右边
	        }else if((view.getRight()-(getWidth()+getScrollX()))==0){
	        	onScrollListener.onRight();
	        //说明在中间
	        }else{
	        	onScrollListener.onScroll();
	        }
	        super.onScrollChanged(l, t, oldl, oldt);
	}
	    
	    /**
	     * 定义接口
	     * @author admin
	     */
	    public interface OnScrollListener1{
	    	void onRight();
	    	void onLeft();
	    	void onScroll();
	    }
	    private OnScrollListener1 onScrollListener;
	    public void setOnScrollListener(OnScrollListener1 onScrollListener){
	    	this.onScrollListener=onScrollListener;
	    }
}