In my Eclipse, I see error messages coming in a window, and every project has a red X.
Here are some of the errors:
An internal error occurred during: "Android Library Update".
java.lang.NullPointerException
parseSdkContent failed
java.lang.NullPointerException
An internal error occurred during: "Initializing Java Tooling".
java.lang.NullPointerException
Parsing Data for android-3 failed
java.lang.NullPointerException
Why is this?
WHAT I DID: I deleted the eclipse folder and downloadd again, and now it works properly!