Android developer portal with tools, libraries, and apps

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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
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Smack is an open source, cross-platform, easy to use, Java XMPP client library.

A pure Java library, it can be embedded into your applications to create anything from a full XMPP client to simple XMPP integrations such as sending notification messages and presence-enabling devices. Smack and XMPP allows you to easily exchange data, in various ways e.g. fire-and-forget, publish-subscribe, between human and non-human endpoints.

May 20, 2015

A collection of quickstart samples demonstrating the Firebase APIs on Android.

Nov 12, 2017

Fast JSON Processor.

Jan 6, 2015

A plugin for Kotlin generate Kotlin data class code from a json string.

Oct 14, 2017

Easy to use and configurable library to Pick an image from the Gallery or Capture image using Camera.

  • You can easily select image from camera and gallery and upload it wherever you want. We have created this library to simplify pick or capture image feature.
  • Handled permissions for camera and gallery, also supports scoped storage.
  • Returns contentUri of selected image.
  • Easy to use and supports all major devices.

Features

  • Capture Image Using Camera
  • Pick Image From Gallery
  • Handle Runtime Permission For Storage And Camera
  • ImagePicker Bottomsheet
  • Retrieve Image Result In Uri Format
  • Crop Image
  • Rotate Image
  • Image Zoom In, Zoom Out
  • Customize Image Picker BottomSheet Options Like :
    • Customize only text of buttons
    • Customize only text color of buttons
    • Customize multiple values of buttons like:
    • Text color, size, font family, padding using your own styles.xml
    • Customize bottomsheet's background shape and color
Apr 25, 2021

SQLDelight generates Java models from your SQL CREATE TABLE statements. These models give you a typesafe API to read & write the rows of your tables. It helps you to keep your SQL statements together, organized, and easy to access from Java.

Feb 17, 2016

GraphHopper is a fast and memory efficient Java road routing engine. By default it uses OpenStreetMap data, but can import other data sources.

Aug 12, 2015

Design pattern samples implemented in Java.

Sep 17, 2014

Nice and simple DSL for Espresso in Kotlin.

Oct 12, 2017

API to use ussd displayed windows on Android, using AccessibilityService.

Sep 22, 2018

Project Lombok makes Java a spicier language by adding 'handlers' that know how to build and compile simple, boilerplate-free, not-quite-java code.

Sep 18, 2014

Fun interactive Android count widget. Stepper Touch for Android is based on a Material Up showcase with a newly introduced SpringAnimator for animations.

Mar 30, 2017

A simple bar View that can compare things, like statistics of a Football match.

Apr 23, 2021

A memory leak detection library for Android and Java.

May 9, 2015

Tutanota is the end-to-end encrypted email client that enables you to communicate securely with anyone.

Sep 2, 2015

Android (f/w 1.5+) on screen keyboard for multiple languages.

Aug 8, 2016
Announcement

OmegaIntentBuilder - a simple way to create and start your own intent.

Dec 15, 2017

A lightweight dropdown popup spinner with an arrow and animations.

Dec 29, 2019

Android library for pin edit text.

Jul 22, 2018

An adaptation of the JSR-310 backport for Android.

Jul 4, 2015

Reliable Android testing, at your service.

Aug 6, 2016

The Shared Memory library allows for the creation of memory regions that may be simultaneously accessed by multiple Android processes or applications. Developed to overcome the Android 1MB IPC limitation, this Shared Memory library allows you to exchange larger amounts of data between your Android applications.

Sep 10, 2017

RIBs is the cross-platform architecture framework behind many mobile apps at Uber. The name RIBs is short of Router, Interactor and Builder, which are core components of this architecture. This framework is designed for mobile apps with a large number of engineers and nested states.

Nov 11, 2017

A photopicker to select and click photos and document picker to select different types of documents.

Aug 3, 2016

Worked with ViewPager2 and ViewPager

Features

  • Mutiple slider style supported.
  • Mutiple slide mode supported.
  • Support ViewPager and ViewPager2.
Apr 6, 2020

A bottom sheet component for Android.

Aug 15, 2015

Gradle plugin for Spoon 2+ and Android Gradle Plugin 3+.

Dec 21, 2017

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
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Gradle plugin developed to facilitate screenshot testing for Android.

Sep 9, 2017