Tool: Android Studio (Beta) https://developer.android.com/sdk/installing/studio.html https://developer.android.com/sdk/installing/studio.html Then learn by exa

Tool: Android Studio (Beta) https://developer.android.com/sdk/installing/studio.html https://developer.android.com/sdk/installing/studio.html Then learn by examples, it's quite easy. Hello world: http://karanbalkar.com/2013/05/tutorial-25-helloworld-application-using-android-studio/ http://karanbalkar.com/2013/05/tutorial-25-helloworld-applic... More samples: http://developer.android.com/samples/index.html http://developer.android.com/samples/index.html For any error you get or doubt you have gust google it and you'll find your answer: mobile app dev field is really crowded and stackoverflow has everything you need to start! Ps: i'm not a fan of dev books etc.. Just dig into the sources!