NullAway
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead
bitcoin wallet
Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.
android hidden api
A library that provides access to Android hidden APIs and internal resources.
Awesome Android Notebook
:computer: A complete plan for better android developers.(continuous updating ...)
ffmpeg android java
Android java library for FFmpeg binary compiled using https://github.com/writingminds/ffmpeg-android