Useful Android library projects. This article describes useful Android libraries and example code repositories.

1. Useful Android library projects

The nature of Android as Open Source project makes it easy for others to create useful libraries. This article lists popular open source libraries and useful example projects which makes it easier to create powerful Android projects.

2. Libraries - Glide Image loading framework for Android - Android Butterknife, view injection framework - Otto - Event Bus for Android - Retrofit – A type-safe REST client for Android and Java - AChartEngine, Charting Engine - ormLight ORM mapper - GreenDAO from Markus Junginger, ORM Mapper - Dagger2 - dependency injection framework for Java and Android - Android Scripting, allows to run scripting languages on Android

3. Code example repositories

The most important source of example code are the API demos of Android. You can create a project with this sample code via the Android Sample project wizard by selecting the API demos entry.

Roman Nurik from Google keeps this example repository. - Roman Nurik’s examples.

Mark Murthy (Android trainer, developer and book author) keeps his advanced examples in this repository. - Mark Murthy’s advanced examples