awesome-android

AChartEngine

Charting Engine

EazeGraph

Chart and graph library

WilliamChart

Chart library with good motion capabilities

HelloCharts

Chart and graph library with support for scaling, scrolling and animations

MPAndroidChart

An Android chart and graph library supporting scaling and dragging by gesture

ArcChartView

Draw Creative Statistic Arc Charts

AnyChart

Data visualization library, Interactive charts

Unified API Library for: Cloud Storage, Social Profiles, Payment, Email, SMS & POIs

Anvil

A small library to create reactive UI components, inspired by React. Provides data binding and event listener binding, fits well for MVVM

Official Android Data Binding Library to write declarative layouts and minimize the glue code necessary to bind application logic and layouts

Dagger 2

A fast dependency injector for Android and Java

View "injection" library for Android

ActivityStarter

Android Library that provide simpler way to start the Activities with multiple arguments

AndroidAnnotations

Java annotations with dependency injection at compile time

Toothpick

A scope tree based Dependency Injection (DI) library for Java

Remoter

An alternative to Android AIDL for Android Remote IPC services using plain java interfaces

Service Connector

Bind Android services and callbacks to fields and methods

Cross-platform game engine and SDK

Augmented Reality library

Cross-platform game creation system

Rajawali

Android OpenGL ES 2.0/3.0 Engine

Cross-platform 2d game framework

JustWeEngine

An easy open source Android Native Game FrameWork

libsignal-protocol-java

A ratcheting forward secrecy protocol that works in synchronous and asynchronous messaging environments

Themis

Multi-language framework for making typical encryption schemes easy to use: data at rest, authenticated data exchange, transport protection, authentication, and so on

A swipe refresh layout is available in the v4 support library

Cardslib

Android Library to build a UI Card

AndroidStaggeredGrid

Grid view which supports multiple columns with rows of varying sizes

Flow

Library that helps with describing an app as a collection of moderately independent screens

SortableTableView

An Android library containing a simple TableView and an advanced SortableTableView providing a lot of customisation possibilities to fit all needs

MaterialProgressBar

Material design ProgressBar with consistent appearance

AndroidFillableLoaders

Fillable progress view working with SVG paths. Nice option too for creating interesting app logos

NexusDialog

Allows you to easily and quickly create forms in Android with little code

Snap RecyclerView Utils

Populate Single or multiple Layout RecyclerView without creating an Adapter

MultiSnapRecyclerView

Android library for multiple snapping of RecyclerView

SwipeableCard

Implementation of swipe card like StreetView!!

ElasticProgressBar

Beautiful loading bar

EntryScreenManager

Intro/Entry/Walkthrough/Starting Screens

The flexible, easy to use, all in one app intro library for your Android project

Material-Calendar-View

Material Design Calendar compatible with API 8+

CrunchyCalendar

A material calendar widget with infinite scrolling, date range selection and color customization

SmoothOverscrollableScrollView

Small custom view with smooth overscroll. You can add header with scale background

SectionedRecyclerViewAdapter

An Adapter that allows a RecyclerView to be split into Sections with headers and/or footers

DragListView

Drag and drop to reorder items in a list, grid or board

Animated Expanding ListView

Animated Expanding ListView provides a fancy animation on expanding or collapsing the content of a listview item

TastyToast

Toasts with icons and color

DotLoader

A customizable loading animation with Dots

PodSlider

A customizable slider widget adhering to material design specs

TapTargetView

An implementation of tap targets from the Material Design guidelines for feature discovery

ShowCaseView

The ShowcaseView library is designed to highlight and showcase specific parts of apps to the user with a attractive and flat overlay

MaterialIntroScreen

Material Intro Screen implementation with easily extensible API

FloatingView

FloatingView can make the target view floating above the anchor view with cool animation

Timecon

Easy-to-use animated clock icon

Audiogram

Lightweight audiowave progressbar

Bubbles for Android

Facebook like chat bubble library

Litho (By Facebook)

A declarative framework for building efficient UIs on Android

MultiViewAdapter

Recyclerview Adapter library to create composable view holders

LGSnackbar

An easy to use and customisable wrapper of the native Android Snackbar which stays visible across multiple activities

ShimmerLayout

Memory efficient shimmering effect for Android applications

CircleProgressBar

A simple library for creating circular progressbars for Android

Easy-Signature-Android

An simple ui library that provides a plugable signature view

Flashbar

A highly customizable, powerful and easy-to-use alerting library for Android

YuanaItemSettingView

Customizable Item Setting View for Android

Gradients

A curated collection of splendid gradients

OneAdapter

RecyclerView Adapter with multiple modules and hooks to simplify and enhance the use while preventing common mistakes

NoPaginate

Simple Android pagination library

ActionBar for older Android versions

FadingActionBar

Fading action bar effect that can be seen in the new Play Music app

SlidingMenu

Library to create applications with slide-in menus

SlidingTutorial

Simple library that helps to create awesome sliding android app tutorials

PagerSlidingTabStrip

An interactive indicator to navigate between the different pages of a ViewPager

Page View indicator

Support for horizontally scrolling ViewPager

RecyclerTabLayout

An efficient TabLayout library implemented with RecyclerView

MaterialDrawer

Simple take on a material design navigation drawer

Debug-Artist

Debug menu to enable leakcanary, scalpel and others easy

Floating-Navigation-View

A simple Floating Action Button that shows an anchored Navigation View

Rebound

Rebound is a Java library that models spring dynamics

Android View Animations

Cute view animation collection

Android-Transition

Allows the easy creation of view transitions that react to user inputs

Android-View-Actions

Makes creating complex animations for views easy

Swipper

Android library for swipeable gestures to control volume , brightness and seek

Spotlight

Android Library that lights items for tutorials or walk-throughs etc

Crescento

Explore new style in material design by adding curve below image view

android-crop

Library project for cropping images

CircularImageView

Custom view for circular images while maintaining the best draw performance

Android-Image-Filter

Library project for applying image filters easily

Compressor

Compressor is a lightweight and powerful android image compression library

ShapeImageView

Library to display images in different shapes

FloatingLabel

FloatingLabel Allows you to create a blow kind of EditText

MaterialEditText

Supporting Floating Labels, Single Line Ellipsis, Max/Min Characters, Helper Text and Error Text with Custom Colors

EmojiCompat

Adds emoticons to your app

MaterialSearchBar

Material Design Search Bar for Android

InputMask

Pattern-based user input formatter, parser and validator

SweetPassword

Password EditText that allows to custom toggle button

VoiceOverlay

An overlay that gets your user’s voice permission and input as text in a customizable UI

Material Dots Indicators

Three Material Dots Indicators styles for View Pagers

Picasso

A powerful image downloading and caching library for Android

Universal Image Loader

Asynchronous, out of the box loading and caching of images

Glide

An image loading and caching library for Android focused on smooth scrolling, Recommended by Google

Fresco

An Android library for managing images and the memory they use

Glide Bitmap Pool

Glide Bitmap Pool is a memory management library for reusing the bitmap memory

Coil

Image loading for Android backed by Kotlin Coroutines

MediaPicker

Android Library that lets you to select multiple images, video or voice for Android

Android Image Picker

A library that makes images and videos selection from gallery feels easy. It also support GIF and simple camera action

ijkplayer

Android/iOS video player based on FFmpeg n3.2, with MediaCodec, VideoToolbox support

Exoplayer

ExoPlayer is an application level media player for Android, allow playing audio and video both locally and over the Internet. Supports features like Dynamic adaptive streaming over HTTP (DASH), SmoothStreaming and Common Encryption

VideoPlayView

Custom Android view with video player, play/stop, loader and placeholder image

MagicalCamera

Simple way to take or select photos of your gallery, with other features for manage pictures

Camera

Use Android camera to take pictures and videos, based on camera2 api

Convalida

A simple and annotation-based way to validate your input fields

Gson

Gson is a Java library used for serializing and deserializing Java objects from and into JSON

Jackson JSON Processor

High-performance JSON processor

Moshi

A modern JSON library for Android and Java

Easy crash reporting solution

Distribution, Crash Reports, Feedback and Analytics

Monitoring, Crash Reports, Real time data, Statistic

Cross platform error monitoring. Free tier. Support for SDK & NDK. Error reports include data on device, release, user, and allows arbitrary data

Catcho

No Force Close any more

Cross platform crash reporting/analytics solution. Supports NDK log

Bug reporting, Crash Reporting, In-app Feedback

Ion

Good networking library for android

OkHttp

An HTTP+SPDY client for Android and Java applications

RoboSpice

Library that makes writing asynchronous network requests easy

IceNet

Fast, Simple and Easy Networking for Android

Official Android HTTP library that makes networking for easier and faster

IceSoap

Easy, asynchronous, annotation-based SOAP for Android

node-android

Run Node.js on Android

HappyDns

A Dns library, user can use custom dns server, dnspod httpdns. Only support A record

RESTMock

HTTP Web server for mocking API responses in Android Instrumentation tests

Fast-Android-Networking

A Complete Fast Android Networking Library that also support HTTP/2

logger

Simple, pretty and powerful logger for android

timber

A logger with a small, extensible API which provides utility on top of Android's normal Log class

LoggingInterceptor

An OkHttp interceptor which pretty logs request and response data

Bugfender

Upload your logs and check them online, specially made for mobile

EzyLogger

Simple Lightweight logger

Logback Android

Logback port to Android which provides a highly configurable logging framework for Android apps

android-remote-notifications

Pulls notifications from a remote JSON file and shows them in your app

Android HeartBeat Fixer

Way to set heartbeat interval and users receive PushNotifications from GCM

Access the sqlite easily via direct database access or through the ContentProvider framework

DbInspector

Provides a simple way to view the contents of the in-app database for debugging purposes

SQLite Asset Helper

manage database creation and version management using an application's raw asset files

Realm

The alternative to SQLite and ORMs: Simple, modern and fast! Object oriented API and multi platform support

Realm Asset Helper

Copies a realm database from the apk assets folder. Efficiently handles versioning of read-only realm databases

RestorableSQLiteDatabase

A wrapper to replicate android's SQLiteDatabase with restoring capability

Nitrite Database

A NoSQL embedded document store for Android with MongoDb like API

requery

Compile time ORM and SQL query library for Java & Android

Light & fast ORM solution

Lightweight ORM Java package for JDBC and Android

Active record style ORM

Insanely easy way to work with Android Databases

DBFlow

Fast and powerful ORM with compile-time annotation processing

NexusData

Object graph and persistence framework for Android

SimpleNoSQL

A simple NoSQL client for Android. Meant as a document store using key/value pairs and some rudimentary querying. Useful for avoiding the hassle of SQL code

RxSimpleNoSQL

Reactive extensions for SimpleNoSQL. Manipulate entities using Observables

Retrofit turns your REST API into a Java interface

Spring for Android - Rest Template

A Rest Client for Android

Robotium

Test automation framework for black-box UI tests

Unit test framework to run tests inside the JVM on your workstation, not in the emulator

AssertJ Android

AssertJ assertions geared towards Android

Green Coffee

Run your Cucumber tests in your Android instrumentation tests

Tracking your marketing campaigns across multiple ad networks

Analytics platform to analyze the users

Open source mobile & web analytics, push notifications and crash reporting platform, based on Node.js, MongoDB and Linux

Analytics platform and user-engagement platform with 1 million free events

Google-Directions-Android

Allows you to calculate the direction between two locations and display the route on a Google Map using the Google Directions API

Android Maps Extensions

Extending capabilities of Google Maps Android API v2, adding marker clustering among other things

MapScaleView

Scale bar for Google Maps Android API

Crossplatform offline vector map with MapCSS styling. Offline search and offline navigation are included

Conceal SharedPreferences

Secured Preferences using Facebook Secure Encryption called Conceal

EventBus is a library that simplifies communication between different parts of your application

Otto

Event Bus for Android

Weak handler

Memory safer implementation of android.os.Handler

Runtime code generation library with support for Android

Secure Preference Manager

Secure Preference Manager for android. It uses various Encryption to protect your application's Shared Preferences

LeakCanary

Catch memory leaks as they occur

Drekkar

An Android event bus for WebView and JS

Androl4b

A vm for assessing android applications

DroidMVP

Android library to help you incorporate MVP along with Passive View and Presentation Model patterns into your app

EasyDeviceInfo

Get device information in a super easy way

Shutter-Android

Capture photos/videos from device camera or get photos/video from gallery app with no runtime permissions needed

Validator

An utilities class to validate text inside TextInputLayout

Keyboard Visibility Event

A DSL to handle soft keyboard visibility change event

TimeIt

A stopwatch library for android which makes it easy to start, pause, display and maintain multiple stopwatches in an app

Reactor

Reactor is a fast and secure key-value library for Android

Linx

Show logcat inside the device for debug builds

Scalpel

View the entire hierarchy in 3d in the phone

Stetho

Debug hierarchy and network from chrome

Android Debug Database

Android Debug Database is a powerful library for debugging databases and shared preferences in Android applications

Android Debug Bridge - ADB

a command-line tool to assist in debugging Android-powered devices

ADB Enhanced

a command-line wrapper around ADB for developers, so that, developers don't have to remember esoteric version-dependent commands

Pidcat

a colored command-line ADB wrapper that only shows log entries for a specific application package

Remote Android and iOS debugging and data collection service. You can debug networking, logs, SQLite and mock device's geo location

SmartGattLib

Simplifies the work with Bluetooth SMART devices (a.k.a. Bluetooth Low Energy in Bluetooth 4.0)

Android Chat and Messaging SDK for adding real time chat and in-app messaging into your android application

Qiscus SDK

Qiscus SDK is a lightweight and powerful android chat library. Qiscus SDK will allow you to easily integrating Qiscus engine with your apps to make cool chatting application

Kommunicate Live Chat SDK

Kommunicate provides open source live chat sdk in android. Kommunicate lets you add real time live chat and in-app messaging in your mobile (android, iOS) applications and website for customer support

CometChat Voice, Video and Text Chat SDK with UI

Add voice, video and text chat to your app (and website) in minutes using CometChat. CometChat's SDK includes a complete ready UI so that you don't have to spend any time building one! That's not all, CometChat has out-of-the-box support for real-time translation, whiteboards, screen sharing, friends sync, role based access control, credits deduction and more

Build a one-one-one Android chat app in Kotlin within few minutes using CometChat Pro. This tutorial discusses the features such as login, getting list of contacts, user presence indicators, sending/receiving messages etc

Comprehensive SDK & Components for real-time chat, powered by

Add push notifications in your Android chat apps in Kotlin with the help of CometChat Pro and Firebase Cloud Messaging (FCM)

MediaRecorderDialog

Custom Dialog to record audio, store it and play it in your phone

HijriDatePicker

offers a hijri (Islamic Calendar) Date Picker designed on Google's Material Design Principals For Pickers

Noty

A simple library for creating animated alerts/dialogs/warnings

AppUpdater

comprehensive and feature rich library, including support for checks at Amazon and FDroid

Gandalf

comprehensive features and a "companion" iOS solution

Siren

focused feature set that mimicks the popular iOS library of the same name. Supports Play and Amazon

Fit

version checking callback framework with no UI

ThreeTen Android Backport

An adaptation of the JSR-310 backport for Android

Joda-Time Android

Joda-Time library with Android specialization

True Time

Android NTP time library. Get the true current time impervious to device clock time changes

Permission Dispatcher

Simple annotation-based API to handle runtime permissions

RxPermissions

Android runtime permissions powered by RxJava

NoPermission

Simple Android library for permissions request. Consists of only one class

Ask-Permission

Simple RunTime permission manager

Gota

Simplifying Android Permissions

EasyPermissions

EasyPermissions is a wrapper library to simplify basic system permissions logic when targeting Android M or higher

Integrate Square payments into your mobile app with Digital wallet and stored card support for quick checkout

The Android Support Library package is a set of code libraries that provide backward-compatible versions of Android framework API

Library to access Google services, such as account syncing, Google+ (sharing, single sign-on), Google Maps, Location APIs, Google Play Games, Cloud Messaging, Android Device Manager, and others

Tape

A lightning fast, transactional, file-based FIFO for Android and Java

Guava: Google Core Libraries for Java

Collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth

Android Scripting

Allows to run scripting languages on Android

Android Priority Job Queue

Implementation of a Job Queue to easily schedule jobs (tasks) that run in the background, improving UX and application stability

RateMeMaybe

Asks the user if (s)he wants to open the Play Store to rate your application

Easy Rating Dialog

Lib provides a simple way to display an alert dialog for rating app

ZXing Android-Integration

Integration with Barcode Scanner via Intent

Gradle Retrolambda Plugin

Java 8 Lambdas on Android!

RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM

RxAndroid

Adds minimum RxJava bindings for easy writing of reactive Android java code

RxBinding

RxBinding – RxJava binding APIs for Android UI widgets from the platform and support libraries

Caffeine

A collection of utility classes that help make Android development faster

AboutLibraries

Automatically generates an About this app section, with a list of used libraries

AudioPlayerView

A view that loads audio from an url and have basic playback tools

andle

command line tool help you sync dependencies, sdk or build tool version

Typography

An Android library that makes it easy to use custom fonts in views

Calligraphy

Custom fonts in Android an OK way

transai

command line tool help you manage localization string files

Android-Link-Preview

It makes a preview from an url, grabbing all the information such as title, relevant texts and images

Sensey

Detecting gestures in a snap

UserAwareVideoView

A customized video view that will automatically pause video is user is not looking at device screen!

Flexbox Layout

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

Agile Boiler Plate

The boiler plate is based on MVP architecture and it is fully based on Dependency Injection design pattern using Dagger2

Gradle buildSrcVersions

A kotlin dsl to simplify dependencies management

Teller

Teller facilitates the downloading, saving, and reading of the cached data of your app. Keep your user's data fresh and remove those annoying loading screens!

Android Tutorials & Courses submitted and voted by the programming community

Very good tutorials by Lars Vogel

The video series by Android Design Team of Google

It is the technical counterpart of Android Design in Action series

A series of articles from Googler Chet Hasae and others, answering most commonly asked question: "What are some of the important rules to keep in mind when developing Android applications?"

Very good tutorials for beginners

Newsletter with weekly information about android

Generator for icons and other assets

Wraps app screenshots in real device artwork

Gives you wide variety of design resources form a Google Developer Expert in UI/UX

An open source prototyping software

Video tutorials by Derek Banas

android-blogs

List with blogs about Android

Extensive Android tutorials on Retrofit, Picasso, Glide & Gson

Android Tips & Tricks

Cheatsheet about tips and tricks for Android Development

Associate Android Developer Certification Materials

A collection of materials for getting ready for the test

Google Developers Official Training page has list of various useful learning resources for beginner as well seasoned developer

Become a complete and happy Android developer

Become a better Android Engineer. A website dedicated to Android Development covering advanced topics such as RxJava, Android Zygote and much more

A weekly newsletter on new development and updates of Android universe

Android Architecture Blueprints

The Android Architecture Blueprints project demonstrates strategies to help solve or avoid common android problems

Kotlin MVVM example

Example about MVVM (Model View ViewModel) Pattern

Kotlin VIPER example

Example about VIPER (View Interactor Presenter Entity Router) Pattern

Complete-Google-Map-API-Tutorial

Learn How to use Google Map API for Android from Basic to Advance with complete examples

Android Modular Architecture

Android Sample App using modular, clean, scalable, testable Architecture written in Kotlin following the best practices with Jetpack

is the Android developer podcast where Donn Felker and Kaushik Gopal talk about building good software and becoming better Android developers

is a podcast by and for Android developers. Hosted by developers from the Android engineering team, this show covers topics of interest to Android programmers, with in-depth discussions and interviews with engineers on the Android team at Google

is a video based podcast, where they have bite-sized conversations with people from the Android community

The Context

a podcast about Android Development with Hannes Dorfmann, Artem Zinnatullin and wonderful guests!

A Podcast on Kotlin and more

is a weekly Android podcast hosted by Adam Doud, Joe Hindy, and Jonathan Feist from the Android Authority team

is a weekly Android podcast hosted by the Android Central team

Large list of android libraries

Multiple high quality libraries by square

Your go-to Android Toolbox

Search Android Libraries, Projects, and Tools

Framework to create native iOS, Android, Mac and Windows apps in C#

Open source framework by Adobe to create cross platform mobile apps using HTML, CSS, and JavaScript

Open-source framework to create 'native' cross platform apps using JavaScript

An open-source framework to build native iOS and Android apps with JavaScript from a single code base

React Native

A framework for building native apps with React by Facebook

A framework to build hybrid apps with mobile-optimized HTML, CSS and JS with AngularJS

Apache Cordova

Cordova based applications are, at the core, applications written with web technology: HTML, CSS and JavaScript

Capacitor

Build cross-platform Native Progressive Web Apps for iOS, Android, and the web. Very promising Cordova alternative

Framework to create native iOS and Android Apps (especially Games)

Scaloid

Library for less painful Android development with Scala

Macroid

A modular functional UI language for Android

Introduction to Groovy on Android

Groovy Language Support for Android

Gradle Plugin for Compiling Groovy for Android

SwissKnife

A multi-purpose Groovy library containing view injection and threading for Android using annotations

Anko

DSL for Android written in Kotlin by JetBrains

Kotterknife

Android view injection written in Kotlin based on ButterKnife

Android Kotlin Samples

Some basic Android code samples written in Kotlin

Kotlin coding puzzles

Set of programming challenges thats helps to improve whiteboard coding and problem-solving skills

KAndroid

Lightweight library providing useful extensions to eliminate boilerplate code in Android SDK

RxKotlin/Pocket

This app help user to save links easily, and can export to Evernote as weekly

Android Clean Architecture - Kotlin

A base project using the Uncle Bob's clean architecture with Kotlin language and the latest Android technologies

Lightweight dependency injection framework for Kotlin

Google's mobile app SDK for high-quality native interfaces for Android and iOS in very quick time

awesome-android-performance

A list of awesome Android tutorials, videos and tools for performance optimization

Booster

Booster is an optimization toolkit for Android applications