Android. Create a file manager

Android - a promising and rapidly growing operating system. And many programmers want to learn how to program applications for OS Android, but a quick search of structured materials in the Internet and, in particular, Lesbian, leads them into a stupor. Indeed, there is still a problem finding tutorials (especially in Russian) to develop applications for this very popular operating system.
Well, we will gradually improve the situation with Habra.
I shall warn that the materials are intended for those who do not have experience in developing applications for Android, but very, very much wants to get this experience.

Write your first application on Android

Preface

The purpose of this post - on the one hand to share their successful experience in start developing applications for the Android platform and on the other hand contribute to the development of the market of software for this remarkable and rapidly growing platform for the account (without false modesty, I say) you may have read this post. The network, of course, you can find information on application development, "a little more complicated than helloworld», but as a rule they scattered and they do not describe the various small underwater stones. In this post we look at the full cycle of application development, starting with a clean computer to finished apk-file.Under the cut screens.