I am beginner in Android programming. My problem is, that I can not update ADT. The problem started, when after a long time I have updated in Android SDK Manager the Androi
None of these "update" alone answers worked for me.
The solution I used is to uninstall the ADT (from Uninstalling Android ADT)
Help > About Eclipse > Installation Details
Select all of the Android modules (prefixed with com.android.ide...)
and delete them (Uninstall...) and re-add the libraries from the
help > Install new software
As listed above....