I have built one Android application, the name is Geo.
After that I created an account on Bitbucket, then I cloned the repository and I synced my project. After that, the project has some errors and the location changed: initially the project was stored in D:\DropBox\Workspace, but now after git sync the project is in C:\michele\git\project.
In the tab Problems I have 126 errors like this:

If I try to go on Project properties I can see this:

So I deleted this error link, clicked Add, selected google_play_services_lib clicked Apply then ok, but the error is the same and if I open this view, I can see the same error
[] is library, since you're importing a library