This is really annoying. I've wasted a whole day but haven't received any proper result. I'm trying to add Google Cloud Messages into my app. I'm using Eclipse last version. ADT last version. I've added google-play-services_lib as Library, added the jar file in Build path but my app drops at the code line below:
GoogleCloudMessaging regId = GoogleCloudMessaging.getInstance(_.appContext);
java.lang.NoClassDefFoundError!
How to solve this problem?