RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

An image loading and caching library for Android focused on smooth scrolling

Android integration of multiple icon providers such as FontAwesome, Entypo, Typicons,...

可能是学习Rxjava最好的教程之一，另一个是《给Android开发者RxJava的详解》，这个毫无疑问。

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Implementation of ImageView for Android that supports zooming, by various touch gestures.