Android Design Guidelines
Number of pages: 44
Designing an Android app needs to be a constant collaboration between design and development. The look and feel of the app should be discussed by both parties from the beginning. This document is written from the point of view of a visual designer.
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by Mark L. Murphy - CommonsWare
This is the single most comprehensive and current book on Android programming, from getting your first project started to advanced topics like integrating maps, encrypted databases, and integrating with other applications.
Contents: Getting started; Android Studio; TextView; Layouts; ViewPager; Design Patterns; Material Design; Data Binding Library; FileIO with Android; Camera and Gallery; Dialog; Notifications; AlarmManager; Interfaces; Location; and much more.
by Neil Smyth - Techotopia
The goal of this book is to teach the skills necessary to develop Android based applications using the Eclipse Integrated Development Environment (IDE) and the Android 4.2 Software Development Kit (SDK). Some Java programming experience is assumed.
by Jonathan Stark - O'Reilly Media