Design patterns implemented in Java

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

Bind Android views and callbacks to fields and methods.

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

Modular and customizable Material Design UI components for Android

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

android 4.4以上沉浸式状态栏和沉浸式导航栏管理，适配横竖屏切换、刘海屏、软键盘弹出等问题，可以修改状态栏字体颜色和导航栏图标颜色，以及不可修改字体颜色手机的适配，适用于Activity、Fragment、DialogFragment、Dialog，PopupWindow，一句代码轻松实现，以及对bar的其他设置，详见README。简书请参考：http://www.jianshu.c…

A declarative API to handle Android runtime permissions.

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.

A util for setting status bar style on Android App.

Android view for displaying PDFs rendered with PdfiumAndroid

Android library (AAR). Highly configurable, easily extendable deep zoom view for displaying huge images without loss of detail. Perfect for photo galleries, maps, building plans etc.

Annotation-triggered method call logging for your debug builds.

Bootstrap style widgets for Android, with Glyph Icons

Reactive Programming for Android

The usual Toast, but with steroids 💪

Floating Action Button for Android based on Material Design specification

Android Asynchronous Networking and Image Loading

AI + Data, online. https://vespa.ai

A scrollable list of items that centers the current element and provides easy-to-use APIs for cool item animations.

Infinite cycle ViewPager with two-way orientation and interactive effect.

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

Android library to handle jobs in the background.

RecyclerView extension library which provides advanced features. (ex. Google's Inbox app like swiping, Play Music app like drag and drop sorting)

Android library that simplifies the process of requesting permissions at runtime.

Implementation of Instagram with Material Design (originally based on Emmanuel Pacamalan's concept)

Set of extra Transitions on top of Jetpack Transitions Library

[DEPRECATED] Easily integrate Camera features into your Android app

An in-app HTTP inspector for Android OkHttp clients