问题描述
我的Android项目正在编译,但突然停止启动。然后我尝试从Project Explorer启动其他项目,所有项目都抛出了同样的异常:
My android project was compiling well but suddenly it stopped launching. Then I tried to launch other projects from Project Explorer and all project threw same exception:
An internal error occurred during: "Launching Project". java.lang.NullPointerException
但控制台总是显示一切正常。
But console always shows everything is normal.
Android Launch!
adb is running normally.
Performing com.mmcolrev.LoginActivity activity launch
以下是错误的屏幕截图。
Here's screenshot of error.
推荐答案
如果有人面临这个问题,首先要记住,错误是不在你的代码中,但是由于日食ADT的一些内部问题。我不知道确切的问题,但幸运地找到了解决方法。如果您遇到此错误,请按照以下步骤操作:
If anyone face this problem, first keep in mind that error is not in your code but due to some internal issue in eclipse ADT. I don't know exact problem but luckily found way to solve it. If you ever encounter this error follow steps below:
- 退出Eclipse。
- 转到Android工作区
- 找到.metadata文件夹(确保设置隐藏文件夹的可见性)。
- 删除.metedata文件夹。
- 启动Eclipse(您将注意到项目资源管理器为空,不要惊慌)并导入所有项目。
- Exit Eclipse.
- Go to Android workspace.
- Locate .metadata folder(make sure you set hidden folder visibility on).
- Delete .metedata folder.
- Start Eclipse(you will notice project explorer is empty, don't panic) and import all your projects.
这篇关于在以下期间发生内部错误:“启动项目”。显示java.lang.NullPointerException的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!