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RxJava

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

styleguide

Style guides for Google-originated open-source projects

Hack

A typeface designed for source code

Calligraphy

Custom fonts in Android the easy way...

Cartography

A declarative Auto Layout DSL for Swift :iphone::triangular_ruler:

groupie

Groupie helps you display and manage complex RecyclerView layouts.

parceler

:package: Android Parcelables made easy through code generation.

AnimationEasingFunctions

Android Animation Easing Functions. Let's make animation more real!

FreeFlow

A layout engine for Android that decouples layouts from the View containers that manage scrolling and view recycling. FreeFlow makes it really easy to create custom layouts and beautiful transition animations as data and layouts change

Android-ReactiveLocation

Small library that wraps Google Play Service API in brilliant RxJava Observables reducing boilerplate to minimum.

firebase-jobdispatcher-android

DEPRECATED please see the README.md below for details.

Backboard

A motion-driven animation framework for Android.

greedo-layout-for-android

Full aspect ratio grid LayoutManager for Android's RecyclerView

auto-parcel

Android Parcelable models made easy

spark

A simple Android sparkline chart view.

material-remixer

A set of cross-platform libraries and protocols to allow the sharing of design values and live refinement of apps during the development process.

motion

An Android library allowing images to exhibit a parallax effect that reacts to the device's tilt

android_maskable_layout

A library that easily allows you to mask layouts/viewgroups

MessageBar

An Android Toast replacement, similar to the one seen in the GMail app.

dspec

[DEPRECATED] Define and render UI specs on top of your Android UI

thrifty

Thrift for Android that saves you methods

fork

A library that offers the fastest way to execute Android instrumentation tests.

Painter

This library enables you to color a view, image icons, and text in a very simple way.

hitch

Git author attribution helper for pair programmers.

smuggler

[DEPRECATED] The easiest way to make your data classes Parcelable.

metronome-android

A Fully Unit-Tested Rx-Based Reference Application

screenplay

A minimalist, View-based application framework for Android

kopper

A simple Kotlin option parser

Contrast

Lightweight quick response code (QRCode) library for Android.

doggifs