Make a simple Android app.
Ray Wenderlich tutorials for iPhone / iOS Developers and Gamers (sic) Getting Started with Android Development Ali Hafizji, Ray Wenderlich on January 13, 2012 http://www.raywenderlich.com/5527/getting-started-with-android-development
2014-05-04 Open Android Studio import project from Eclipse. Android Studio will change directory structure slightly. Don't open Eclipse and export project + gradle. That would keep Eclipse's directory structure.
Android Studio generated file import-summary.txt Android Studio warns import failure, project needs some Android Extras. However, app installs and runs on Nexus 4 device. I restarted Android Studio and don't see the warning. Gradle sync may have been able to download dependencies and fix it.