Lottie - make complex animations so simple
ButterKnife focus on Android system View injected frame
very nice progress indicator AVLoadingIndicatorView
Fragment recommended third-party frameworks (Fragmentation)
Carousel Figure ConvenientBanner
Banner (advertising pages / cycle through advertising images / auto-scrolling endless loop card)
Android powerful log frame Logger
greenDAO: ORM for your Android SQLite Database
stetho is Facebook launched Android APP network diagnostics and data monitoring tools, access to convenient, powerful, a developer must have a good tool.
Stetho tool introduces
Android debugging using Stetho