Credits: ddewaele for providing an insight into OAuth together with a sample project that I used as a starting point for this project http://blog.doityourselfandroid.com/2011/08/06/oauth-2-0-flow-android/ Following dependencies are required in order to run the application (in project's lib dir): commons-codec-1.3.jar commons-logging-1.1.1.jar google-api-client-1.4.1-beta.jar google-api-client-googleapis-1.4.1-beta.jar google-api-services-latitude-v1-1.1.0-beta.jar gson-1.6.jar guava-r09.jar httpclient-4.0.3.jar httpcore-4.0.1.jar jackson-core-asl-1.6.7.jar ALTitude also uses: - google AdMob - ActionBarSherlock by Jake Wharton and can be obtained here: https://github.com/JakeWharton/ActionBarSherlock