Android developer portal with tools, libraries, and apps

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A powerful image downloading and caching library for Android.

Jul 5, 2014
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Android specific bindings for RxJava.

This module adds a number of classes to RxJava that make writing reactive components in Android applications easy and hassle free.

Nov 19, 2014

Parse is a complete technology stack to power your app's backend.

Jul 5, 2014

Fresco is a powerful system for displaying images in Android applications.

Fresco takes care of image loading and display, so you don't have to. It will load images from the network, local storage, or local resources, and display a placeholder until the image has arrived. It has two levels of cache; one in memory and another in internal storage.

Apr 3, 2015

Powerful and flexible RecyclerAdapter.

May 29, 2016

jadx - Dex to Java decompiler.

Command line and GUI tools for produce Java source code from Android Dex and Apk files.

May 30, 2015

Implementation of ImageView for Android that supports zooming, by various touch gestures.

Jul 5, 2014

As the name says, SmartRefreshLayout is a "smart" refresh layout,Because of its "smart", it does not just support all the View as other refresh layouts said, but also support multi-layered nested view structures.

Jul 22, 2017

Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object.

Jul 5, 2014

material-dialogs library allows you to use a consistently Material themed dialog on all versions of Android, along with specific customizations that make it easier to brand the dialog.

Nov 11, 2014

This is a sample app that is part of a blog post about how to architect android application using the Uncle Bob's clean architecture approach.

Sep 3, 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

Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstalling apk.

Sep 24, 2016

An asynchronous callback-based Http client for Android built on top of Apache’s HttpClient libraries. All requests are made outside of your app’s main UI thread, but any callback logic will be executed on the same thread as the callback was created using Android’s Handler message passing.

Jul 5, 2014

SlidingMenu is an Open Source Android library that allows developers to easily create applications with sliding menus like those made popular in the Google+, YouTube, and Facebook apps.

Jul 5, 2014

Plaid is a showcase of material design that we hope you will keep installed. It pulls in news & inspiration from Designer News, Dribbble & Product Hunt. It demonstrates the use of material principles to create tactile, bold, understandable UIs.

Oct 31, 2015

Messaging app for easy private communicate with friends.

Jul 5, 2014
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A fast dependency injector for Android and Java.

This project represents Google's fork of Square's Dagger. Google's Dagger fork is intended to vary from Square's project only where features are needed to deviate from Square's feature-set. Google's Dagger should be a drop-in compatible alternative to Square's Dagger, and many features in this fork will, if successful, be merged into the upstream project.

Efforts are made to also keep Google's fork as close in structure to Square's as possible, to facilitate merging and compatibility. Google/dagger will release shortly after Square's releases.

Aug 26, 2014

Anko is a library which makes Android application development faster and easier. It makes your code clean and easy to read, and lets you forget about rough edges of Android SDK for Java.

May 11, 2015

FlexboxLayout is a library project which brings the similar capabilities of CSS Flexible Box Layout Module to Android.

May 6, 2016

AndroidAnnotations is an Open Source framework that speeds up Android development. It takes care of the plumbing, and lets you concentrate on what's really important. By simplifying your code, it facilitates its maintenance.

Jul 5, 2014

Android Transition animations explanation with examples.

May 26, 2015

This project aims to provide a reusable Pull to Refresh widget for Android. It was originally based on Johan Nilsson's library (mainly for graphics, strings and animations), but these have been replaced since. This project is no longer being maintained.

Jul 5, 2014

greenDAO is an open source project to help Android developers working with data stored in SQLite.

Primary design goals:

  • Maximum performance (probably the fastest ORM for Android)
  • Easy to use APIs
  • Highly optimized for Android
  • Minimal memory consumption
  • Small library size, focus on the essentials

Jul 5, 2014

Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock. Originally based on Patrik Åkerfeldt's ViewFlow.

Jul 5, 2014

A fast circular ImageView perfect for profile images.

Feb 17, 2015

Amaze UI is a modular mobile-first front-end framework.

May 25, 2015

Android Swipe Layout is the brother of AndroidViewHover.

Aug 25, 2014

The MaterialDrawer library aims to provide a quick and easy Activity to create and implement a drawer layout in your application.

Feb 12, 2015
Announcement

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

Features:

  • 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