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Android优化——UI优化（五） Listview 重用convertView

1.重用convertView 我们对convertView添加判断，如果存在我们就直接使用，否则初始化一个convertView的实例。（如下图） 2.使用viewHolder 使用viewHolder并且是一个静态的匿名内部类。（如下图） 3.在列表里面有图片的情况下,监听滑动不加载图片 1.可...

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