samadiebrahim04

picasso

A powerful image downloading and caching library for Android

DragRankSquare

edit personal information which enables users to drag and rank image order

FlipAnimation

Simple example for flip animation

android-PageFlip

3D Style Page Flip on Android

Grav

Configurable animations based on points

Swipe3DRotateView

JellyToolbar

Fun

A library for android to animate expanding and collapsing views.

Sequent

A simple continuous animation library for Android UI.

awesome-android

A curated list of awesome Android packages and resources.

Transitions-Everywhere

Set of extra Transitions on top of Jetpack Transitions Library

PageIndicatorView

An page indicator for Android ViewPager

spruce-android

Spruce Animation Library

ExpectAnim

Describe your animation and run !

GSYVideoPlayer

视频播放器（IJKplayer、ExoPlayer、MediaPlayer），HTTPS，支持弹幕，外挂字幕，支持滤镜、水印、gif截图，片头广告、中间广告，多个同时播放，支持基本的拖动，声音、亮度调节，支持边播边缓存，支持视频自带rotation的旋转（90,270之类），重力旋转与手动旋转的同步支持，支持列表播放 ，列表全屏动画，视频加载速度，列表小窗口支持拖动，动画效果，调整比例，多分辨率切换，支持切换播放器，进度条小窗口预览，列表切换详情页面无缝播放，rtsp、concat、mpeg。

VirtualApp

Virtual Engine for Android(Support 14.0 in business version)

android-tips-tricks

:ballot_box_with_check: [Cheatsheet] Tips and tricks for Android Development

ViewPagerCards

ViewPager cards inspired by Duolingo

GravitySnapHelper

A SnapHelper that snaps a RecyclerView to an edge.

Android-Debug-Database

A library for debugging android databases and shared preferences - Make Debugging Great Again

DiscreteScrollView

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

ShineButton

This is a UI lib for Android. Effects like shining.

StylishMusicPlayer

A stylish music player for android device 16+

Toasty

The usual Toast, but with steroids 💪

BookReader

:closed_book: "任阅" 网络小说阅读器，3D翻页效果、txt/pdf/epub书籍阅读、Wifi传书~

Alerter

An Android Alerting Library

Matisse

:fireworks: A well-designed local image and video selector for Android

UltimateAndroidReference

:rocket: Ultimate Android Reference - Your Road to Become a Better Android Developer

vlayout

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.

AndroidUtilCode

:fire: Android developers should collect the following utils(updating).