切换加载中，加载失败，加载成功布局，定义一个LoadViewHelper所有界面通用。

LoadViewHelper helper = new LoadViewHelper(listView);  
  //将listview切换成显示加载中布局  
	helper.showLoading("加载中...");  
	//将listview切换成显示空数据布局
	helper.showEmpty("暂无数据", "重试", new OnClickListener() {  

		@Override  
		public void onClick(View v) {  

		}  
	});  

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Copyright 2014 shizhefei（LuckyJayce）

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

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