Android developer portal with tools, libraries, and apps

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RecyclerViewHelper provides the most common functions around recycler view like Swipe to dismiss, Drag and Drop, Divider in the ui, events for when item selected and when not selected, on-click listener for items.

May 10, 2016

Simplified android async HTTP client.

May 15, 2016

Android component for lucky wheel view easy to integrate and in your code.

Apr 24, 2017

Fonty is Android library allowing you to easily change the typeface of your UI elements. Contrary to other implementations Fonty is designed with the assumption that if you want to change the font for your app, then you change it globally per whole application, to achieve consistency across your Fragments or Activities.

This means that using Fonty will require no change to your layout files. All you need to do is to initialize the library and specify what typeface you want to be used for regular text and what for boldfaced ones. That's it.

Mar 31, 2017

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

Jul 5, 2014

Simple wrapper library in Kotlin is designed to save secret to local shared preferences using Android default security and Android Keystore. KeystoreCompat ensures handling LockScreen and compatibility among diversity of Android versions.

Apr 10, 2017

React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.

Dec 3, 2015

Library manages lifecycle of Activities and Fragments, their Presenters and ViewStates.

Nov 22, 2016

Camera API in Android is hard. Having 2 different API for new and old Camera does not make things any easier. But this is your lucky day! After several years of working with Camera we came up with Fotoapparat.

What it provides:

  • Simple, yet powerful API for working with Camera.
  • Support of Camera1 as well as Camera2.
  • Last, but not least, non 0% test coverage.
Apr 23, 2017

android-butterknife-zelezny is a simple plug-in for Android Studio/IDEA that allows one-click creation of Butterknife view injections.

Jul 5, 2014

CheckStyle plug-in for IntelliJ IDEA.

Jan 29, 2017

Build system for Android that encourages the creation of small, reusable modules consisting of code and resources.

Jul 5, 2014

This is a simple download task for Gradle. It displays progress information just as Gradle does when it retrieves an artifact from a repository.

Aug 25, 2016

A smart way to add Login functionality to your Android app.

What's in the box:

  • A material designed login page
  • Implementation of Facebook and Google login
  • Easy way to implement custom login and sign up
  • Smart and easy way to apply the flow with SmartUser
  • Customizable login screen
Jan 15, 2016

A library to stream in RTMP and RTSP for Android. All code in java.

Feb 21, 2017

Godot is a fully featured game engine. It focuses on having great tools, and a visual oriented workflow that can export to PC, Mobile and Web platforms with no hassle. The editor, language and APIs are feature rich, yet simple to learn, allowing you to become productive in a matter of hours.

Jan 11, 2015

Plugin which generates Android Parcelable boilerplate code for kotlin's data class.

Sep 18, 2016

A FileBrowser / FileChooser for Android that you can integrate to your app to browse/select files from internal/external storage.

Apr 23, 2017

Simple lifecycle for your MVWhatever on Android. No kidding.

Dec 12, 2016

Realm is a mobile database that runs directly inside phones, tablets or wearables.


  • Mobile-first: Realm is the first database built from the ground up to run directly inside phones, tablets and wearables.
  • Simple: Data is directly exposed as objects and queryable by code, removing the need for ORM's riddled with performance & maintenance issues.
  • Modern: Realm supports easy thread-safety, relationships & encryption.
  • Fast: Realm is faster than even raw SQLite on common operations, while maintaining an extremely rich feature set.
Oct 1, 2014

A simple and easy-to-use scroll number widget.

Jul 26, 2016

A pure MVC base library on android. Using it, your code can be very clean in MVC pattern: light Activity, light View, light Model.

Oct 10, 2016

This repository is a code generator for Android. By using it, you can generate java codes to read/write sqlite from an existing sqlite file.


  1. Generate map objects
  2. Generate API to read/write sqlite
  3. API based on SQLiteOpenHelper
  4. Light, expandable and pluggable
Oct 11, 2016

Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS, MongoDB integrations included.

Jul 13, 2015

GravityView is an Android adaptation of Facebook instant articles. The concept behind the library is to utilize the motion sensors of an Android device and allow the end user to explore the product by rotating his device. It uses gyroscope motion sensor readings to scroll the image.

Mar 29, 2017

Android library to get device information in a super easy way.

May 8, 2016

The interactive build tool. Use Scala to define your tasks. Then run them in parallel from the shell.

Jul 5, 2014

mastodon4j is mastodon client for Java and Kotlin.

Apr 23, 2017

Present your progress bars in arc mode with information and total control.

Oct 3, 2016

A custom preference item for easy implementation of a color picker in the preference screen. You can use the inbuilt picker or any other color picker of your choice.

Sep 26, 2016