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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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

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

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

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

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

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

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

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

May 6, 2016

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

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

May 25, 2015

A fast circular ImageView perfect for profile images.

Feb 17, 2015

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

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

Android Swipe Layout is the brother of AndroidViewHover.

Aug 25, 2014

Simple, pretty and powerful logger for Android.

Mar 22, 2015

Cute view animation collection.

Jul 5, 2014
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The MaterialDrawer library aims to provide a quick and easy Activity to create and implement a drawer layout in your application.

Feb 12, 2015

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

STF (or Smartphone Test Farm) is a web application for debugging smartphones, smartwatches and other gadgets remotely, from the comfort of your browser.

Jul 2, 2015

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

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

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

Jun 12, 2015

Stetho is a sophisticated debug bridge for Android applications. When enabled, developers have access to the Chrome Developer Tools feature natively part of the Chrome desktop browser. Developers can also choose to enable the optional dumpapp tool which offers a powerful command-line interface to application internals.

Feb 19, 2015

Mockito is a mocking framework that tastes really good. It lets you write beautiful tests with clean & simple API. Mockito doesn't give you hangover because the tests are very readable and they produce clean verification errors.

Jul 5, 2014

It is a tool for reverse engineering 3rd party, closed, binary Android apps. It can decode resources to nearly original form and rebuild them after making some modifications; it makes possible to debug smali code step by step. Also it makes working with app easier because of project-like files structure and automation of some repetitive tasks like building apk, etc.

Dec 1, 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
Blurb

This is the real android video player view with fullscreen function.

Mar 11, 2016

Matisse is a well-designed local image and video selector for Android. You can

  • Use it in Activity or Fragment
  • Select images including JPEG, PNG, GIF and videos including MPEG, MP4
  • Apply different themes, including two built-in themes and custom themes
  • Different image loaders
  • Define custom filter rules
Apr 22, 2017

Project vlayout is a powerfull LayoutManager extension for RecyclerView, it provides a group of layouts for RecyclerView. Make it able to handle a complicate situation when grid, list and other layouts in the same recyclerview.

Mar 4, 2017