How to solve the problem when compiling the android project in eclipse.

I have just built an android development environment today. When compiling examples of Android itself, I always prompt

The Project Cannot Be BuiltUntil build path errors are resolved

 

An error occurred while trying to disable automatic compilation.

Clean the project and compile it again. It is invalid.

 

Finally, it was discovered that it was a build path configuration problem. If you encounter this problem, try to modify it:

 

The procedure is as follows:

1.

 

 

2. Select android