导入Android工程提示The project was not built since (转载)
下载的Android工程，导入到Eclipse时提示The project was not built since its build path is incomplete. Cannot find the class file for java.lang.Object. Fix the build path then try building this project的提示，这样的错误一般是Java的JRE没有正确加载，当然了对于Android来说相关的SDK库也没有正确加载，解决的方法很简单，通过Google推荐的Android项目导入方法即可解决，如下:
? 在Eclipse菜单的File=>New=>Project选择Android=>Android Project 这一步时，选择Create project from existing source选项，这样设置Location为你要导入Android项目的路径即可。
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