我使用的Eclipse。我紧接着面临这个问题的 GOOGLE IO 2013 当我更新了我的 ADT插件，Android的SDK工具版本22和Android SDK平台工具来修改17

I am using Eclipse. I am facing this issue Right after GOOGLE IO 2013 when i updated my ADT plugin, Android SDK tools to Revision 22 and Android SDK platform-tools to revision 17

我的所有项目previously工作已经开始抛 ClassNotFoundException的此更新无故后。我寻觅计算器，但没有一个答案似乎解决我的问题。

All of my projects that previously worked have started throwing ClassNotFoundException after this update for no reason. I have searched stackoverflow but none of the answers seem to solve my problem.

推荐答案

我已经解决了这个问题，我想的和大家一起分享。

i have Solved this issue and i thought of sharing it with everyone.

我已经注意到，有一个名为作为一个新的Andr​​oid包 Android的私人图书馆，并尝试我发现了一个方法来解决这个问题小时后。

I have noticed that there is a new Android Package named as Android Private Libraries and after hours of trying i found a way to fix this.

右键点击您的项目，然后

转到构建Path->配置构建路径 - >订单和出口

当你在那里，你应该查看在 Android的私人图书馆，然后点击OK按钮。

when you are there you should check the Android Private Libraries and then click OK button.

如果你仍然面临的问题，删除里面的所有文件的bin文件夹并重建你的项目。

if you still face the problem delete all the files inside your bin folder and rebuilt you project.

希望这有助于其他人谁也面临着同样的问题，因为我

Hope this helps others who are facing the same problem as me