我得到一个错误在我的问题标签为我的Andr​​oid项目在Eclipse中。错误是 Android的包装问题与一个不知名的地点。

I am getting an error in my Problems tab for my Android Project in Eclipse. The error is "Android Packaging Problem" with an Unknown location.

未知错误NullPointerException异常

我无法确定这个问题。我的项目在几个小时前被工作。我所做的唯一变化是添加的的公共接口ITrackDao 的以我的项目，并实现它。没有与此相关的错误。

I cannot determine what this problem is. My project was working a few hours ago. The only change I made was to add a public interface ITrackDao to my project and implement it. There are no errors associated with this.

我甚至不知道从哪里开始看。我无法启动应用程序。有人可以给我什么地方我可以看看的想法？ 谢谢 彼得·

I am not even sure where to begin to look. I cannot launch the application. Can someone give me an idea on what area I can look into? Thanks Peter

推荐答案

我面临着这个问题也和我解决它通过点击菜单 - >项目 - >清除。清理项目后，该错误消失。

I was confronted with this problem too, and I solve it by clicking Menu->Project->Clean. The error goes away after cleaning the project.