Here, Android provides a substantial subset of the Java 5 Standard Edition packages, including Collections, I/O, and so forth. The next level up is the Application Framework layer.

It contains the functions for obtaining and storing data - network calls, database, files, shared preferences etc. This layer can depend on Android SDK and other libs(for exp: Gson, Retrofit). But we ...

org.quietmodem.Quiet allows you to pass data through the speakers on your Android device. This library can operate either as a raw frame layer or as a UDP/TCP stack. This package contains prebuilt ...