Android编译问题小汇总

1、reason: Unknown Host mirrors.neusoft.edu.cn

2、Unable to resolve target 'android-7'

最终原因尽然是从空间面板拖拽了一个gridelayout的布局到project explorer生成了一个工程，删除这个工程就OK了。

3、

[2014-07-10 17:20:39 - Emulator] WARNING: SD Card image already in use: C:\Documents and Settings\Administrator\.android\avd\nexus7.avd/sdcard.img
[2014-07-10 17:20:39 - Emulator] WARNING: Cache partition already in use. Changes will not persist!

4、

[2014-07-10 17:32:33 - RtspPlayAndroid] The connection to adb is down, and a severe error has occured.
[2014-07-10 17:32:33 - RtspPlayAndroid] You must restart adb and Eclipse.
[2014-07-10 17:32:33 - RtspPlayAndroid] Please ensure that adb is correctly located at 'C:\Program Files\Android\android-sdk\platform-tools\adb.exe' and can be executed.

解决：关闭Eclipse，强制杀死adb.exe，重新打开eclipse。