编译android时，遇到报错： Errors occurred during the build.Errors running builder 'Android Pre Compiler' on project 'XXX' java.lang.NullPointerException 错误原因： 工程目录下有很多.svn目录 解决方法： - Open properties of project in Eclipse then Resources -> Resource filters.
- Click the "Add..." button -> Check "Exclude all", "Files and folders", "All children". In the text entry box input ".svn" (without quotes).
- Restart Eclipse.