Must Know Libraries for Android Developers

Following are the must know and must use libraries for Android developers. Any other library suggestions are welcomed and will be added below.

1. Retrofit: A type-safe HTTP client. http://square.github.io/retrofit/

2. Picasso: A powerful image downloading and caching library. http://square.github.io/picasso/

3. ActiveAndroid: Active record style ORM library. http://www.activeandroid.com

4. OKHttp: An HTTP & HTTP/2 client. http://square.github.io/okhttp/

5. EventBus: Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc. http://greenrobot.github.io/EventBus/

6. Hugo: Annotation-triggered method call logging for your debug builds.. https://github.com/JakeWharton/hugo

7. ButterKnife: Bind Android views and callbacks to fields and methods. https://github.com/JakeWharton/butterknife

8. GSON: JA Java serialization/deserialization library to convert Java Objects into JSON and back. https://github.com/google/gson

9. Tape: A lightning fast, transactional, file-based FIFO . http://square.github.io/tape/

10. Crashlytics: lightest weight crash reporting solution. https://fabric.io/kits/ios/crashlytics/