- Android Support v4 (Development Framework)
requires 4 permissions: android.permission.VIBRATE, android.permission.WAKE_LOCK, android.permission.INTERNET, android.permission.ACCESS_NETWORK_STATE 
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see
Understanding the Android Support Library.
- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- ZXing ('Zebra Crossing') (Utility)
ZXing („zebra crossing“) is an open-source, multi-format 1D/2D barcode image processing library.
- Joda Time (Utility)
provides a quality replacement for the Java date and time classes.
- Apache Http (Utility)
requires 1 permissions: android.permission.INTERNET
a toolset of low level Java components focused on HTTP and associated protocols.
- Spongy Castle (Utility)
a collection of APIs used in cryptography, to complement the stripped-down version of
Bouncy Castle Android ships with.
- Mashape Relocation API (Development Aid)
requires 1 permissions: android.permission.INTERNET 
- httpclientandroidlib (Utility)
requires 1 permissions: android.permission.INTERNET
apache http client for android
- FasterXML (Utility)
requires 1 permissions: android.permission.INTERNET
a fast and compliant streaming JSON parser/writer with a StAX-like API and support for marshalling/unmarshalling POJOs via annotations.
- Bouncy Castle (Utility)
a collection of APIs used in cryptography. Also see
Wikipedia.
- Android Design Support Library (Utility)
provides APIs to support additional important material design components and patterns to applications beyond those covered by the Android framework, to all devices running Android 2.1 or later.
- Android Support v13 (Development Framework)
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see
Understanding the Android Support Library.
- Android Support v7 (Development Framework)
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see
Understanding the Android Support Library.
- Butter Knife (Utility)
binds Android views and callbacks to fields and methods.
- Lambdaworks Codec (Utility)
collection of high-performance binary data codecs (base16, base64, Base64Url).
- Crypto (Utility)
high-performance cryptography library.
- FastAdapter (Utility)
provides core functionality most apps require. It also prevents common mistakes by taking away those steps from the devs.
- Android-Iconics (Utility)
library to include vector icons with an app, i.e. having scalable icons.
- MaterialDrawer (UI Component)
all in one drawer library with Material Design.
- Materialize (Utility)
manage an app's StatusBarShadow, FullScreen behavior and much more over API Levels down to 10 (Android 2.3.3).
- JavaPoet (Utility)
a Java API for generating .java source files.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- Picasso (Utility)
image downloading and caching library.
- HttpClient Android repackaged (Utility)
repackaged upstream version of HttpClient and depdendencies.
- Dagger (Utility)
A fast dependency injector for Android and Java.
- JavaX Dependency Injection (Utility)
specifies a means for obtaining objects in such a way as to maximize reusability, testability and maintainability compared to traditional approaches such as constructors, factories, and service locators (e.g., JNDI). This process, known as dependency injection, is beneficial to most nontrivial applications.
- barcodescanner (Utility)
library project that provides easy to use and extensible Barcode Scanner views based on ZXing and ZBar.
- MaterialProgressBar (UI Component)
Material Design ProgressBar with consistent appearance.
- joda-time-android (Utility)
Joda-Time (Java date and time classes) library with Android specialization
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- EventBus (Utility)
Android optimized event bus that simplifies communication between Activities, Fragments, Threads, Services, etc.
- Web3 Java Ethereum Ðapp API (Utility)
Java and Android library for integration with
Ethereum clients.
- Retrofit (Utility)
Type-safe HTTP client for Android and Java by Square, Inc.
