Question

我是一个安卓新手，在建立helloword过程中遇到一些问题，有高手知道的帮小弟解决一下，不胜感激，

问题类型：系统辅助
[2012-07-25 08:59:49 - helloword] res\layout\activity_main.xml:0: error: Resource entry activity_main is already defined.
[2012-07-25 08:59:49 - helloword] res\layout\activity_main.out.xml:0: Originally defined here.
[2012-07-25 08:59:49 - helloword] E:\android软件开发\新建文件夹\helloword\res\layout\activity_main.out.xml:1: error: Error parsing XML: no element found
[2012-07-25 10:03:12 - helloword] /helloword/gen already exists but is not a source folder. Convert to a source folder or rename it.
[2012-07-25 10:03:13 - helloword] /helloword/gen already exists but is not a source folder. Convert to a source folder or rename it.
[2012-07-25 10:03:15 - helloword] File is Out of sync
[2012-07-25 10:05:13 - helloword] /helloword/gen already exists but is not a source folder. Convert to a source folder or rename it.
[2012-07-25 10:08:44 - helloword] activity_main.out.xml is out of sync. Please refresh.
[2012-07-25 10:08:45 - helloword] activity_main.out.xml is out of sync. Please refresh.
[2012-07-25 10:59:44 - helloword] activity_main.out.xml is out of sync. Please refresh.

Answer 1

[2012-07-25 08:59:49 - helloword] res\layout\activity_main.xml:0: error: resource entry activity_main is already defined.
[2012-07-25 08:59:49 - helloword] res\layout\activity_main.out.xml:0: originally defined here.
[2012-07-25 08:59:49 - helloword] e:\android软件开发\新建文件夹\helloword\res\layout\activity_main.out.xml:1: error: error parsing xml: no element found
[2012-07-25 10:03:12 - helloword] /helloword/gen already exists but is not a source folder. convert to a source folder or rename it.
[2012-07-25 10:03:13 - helloword] /helloword/gen already exists but is not a source folder. convert to a source folder or rename it.
[2012-07-25 10:03:15 - helloword] file is out of sync
[2012-07-25 10:05:13 - helloword] /helloword/gen already exists but is not a source folder. convert to a source folder or rename it.
[2012-07-25 10:08:44 - helloword] activity_main.out.xml is out of sync. please refresh.
[2012-07-25 10:08:45 - helloword] activity_main.out.xml is out of sync. please refresh.
[2012-07-25 10:59:44 - helloword] activity_main.out.xml is out of sync. please refresh.

Answer 2

删除工程，别选“Delete Project...”，然后重新导入Import...刚删除的工程。

Answer 3

xml有问题

Answer 4

ooo