Android developer portal with tools, libraries, and apps

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Being the most intelligent IDE for Java IntelliJ IDEA provides out-of-the-box Android support that includes intelligent coding assistance, for professional development of Android applications.

Jul 5, 2014
Commercial

Messaging app for easy private communicate with friends.

Jul 5, 2014

A library that gives you access to the powerful Parse cloud platform from your Android app. For more information Parse and its features.

Aug 14, 2015

Truth is a testing framework designed to make your tests and their error messages more readable and discoverable, while being extensible to new types of objects.

Truth adopts a fluent style for test propositions, is extensible in several ways, supports IDE completion/discovery of available propositions, and supports different responses to un-true propositions. Truth can be used to declare JUnit-style assumptions (which skip the test on failure), assertions (interrupt the test on failure), and expectations (continue the test, but collect errors and report failure at the end).

Feb 25, 2015

Periodically tracking user's location in the background.

Apr 27, 2017

Open source computer vision and machine learning software library. OpenCV was built to provide a common infrastructure for computer vision applications and to accelerate the use of machine perception in the commercial products.

Jul 5, 2014

Android view that allows the user to create drawings. Customize settings like color, width or tools. Undo or redo actions.

Nov 13, 2016

Gradle Script Kotlin provides support for writing Gradle build scripts using JetBrains' Kotlin language. It aims to provide Gradle users with a rich, flexible and statically-typed approach to developing build logic in conjunction with the best IDE and tooling experience possible.

Jan 7, 2017

Dolphin is an emulator for running GameCube, Triforce and Wii games on Windows/Linux/OS X systems and recent Android devices.

Jul 5, 2014

ReDex is an Android bytecode (dex) optimizer originally developed at Facebook. It provides a framework for reading, writing, and analyzing .dex files, and a set of optimization passes that use this framework to improve the bytecode. An APK optimized by ReDex should be smaller and faster than its source.

Apr 13, 2016

The beautiful, open source front-end framework for developing hybrid mobile apps with HTML5.

Jul 5, 2014

An application level media player for Android. It provides an alternative to Android’s MediaPlayer API for playing audio and video both locally and over the internet.

Jul 5, 2014

Android library project for selecting/capturing multiple images from the device.

Features:

  • Allows taking pictures from camera as well.
  • Multi-selection of images from gallery.
  • Ability to select/capture images upto a specified limit.
  • Preview thumbnails of selected images.
  • No dependency.
Aug 27, 2014

A simple wrapper around Android 6.0 runtime permission api.

Nov 9, 2015

This is an Android Library for showing Material Dialog with little customization with icons, colors, divider line.

Apr 27, 2017

This Circular Progress bar is a designed and made for music players that need beautiful music progress bar.

Jul 29, 2016

The usual Toast, but with steroids.

Jan 19, 2017

Open Source framework for building cross-platform truly native iOS, Android and Windows mobile apps using JavaScript.

Jun 17, 2015

Infer is a static analysis tool for Java, Objective-C and C, written in OCaml.

Jun 12, 2015
Announcement

RxAndroidBle is a powerful painkiller for Android's Bluetooth Low Energy headaches. It is backed by RxJava, implementing complicated APIs as handy reactive observables.

Mar 30, 2016

Global Mobile Map Viewing & Navigation for Offline and Online OSM Maps.

Jul 5, 2014

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. It automates the process of checking Java code to spare humans of this boring (but important) task.

Jul 5, 2014

A fork of Tesseract Tools for Android (tesseract-android-tools) that adds some additional functions. Tesseract Tools for Android is a set of Android APIs and build files for the Tesseract OCR and Leptonica image processing libraries.

Jul 5, 2014

The set of handy classes.

Oct 13, 2016

An Android library to retrofit multiple item view types.

Aug 4, 2016

c:geo is a simple yet powerful unofficial geocaching client for Android devices. In contrast to other similar applications, c:geo doesn't require a web browser nor file exports. You can just go geocaching with your phone and without any home preparation or worries.

Jul 5, 2014

An utility library for Android to run jobs delayed in the background. Depending on the Android version either the JobScheduler, GcmNetworkManager or AlarmManager is getting used.

Oct 26, 2015

Zero permissions file picker for Android.

May 30, 2016
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An easy-to-use, customizable, Material Design complaint Pattern Lock view for Android.

PatternLockView

Apr 5, 2017

Android Dialog Library that you can directly use default inner dialog and default animation. It has 6 kinds of dialog and many kings of show and dismiss animations inside.

Sep 2, 2015