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PS：初学Android，很多术语可能不甚严谨，希望大家积极指出，bill才好及时改正，以免误人子弟。今天在考虑一个RelativeLayout布局，整个屏幕分为两个部分，上部分是一个ListView，下部分是两个横排的Button。欲实现这两个Button始终置底，Lis...

android中在Layout布局文件中添加控件ID，在Activity中findViewById找不到

一直用着好好的eclipse开发android的应用，突然新建的项目中发现在Layout布局文件中控件ID在R中不能自动生成了。然后在Eclipse中通过Project->Clean操作之后在R中就生成了控件...

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