持续更新中😬
1. RecyclerView 相关
一个封装了很多功能的 Recyclerview https://github.com/cymcsg/UltimateRecyclerView#donations
github.com/Jude95/EasyRecyclerView
github.com/CymChad/BaseRecyclerViewAdapterHelper 使用指南 www.jianshu.com/p/b343fcff51b0
1.1 动画
github.com/willowtreeapps/spruce-android
github.com/wasabeef/recyclerview-animators
1.2 view
分类头布局 github.com/timehop/sticky-headers-recyclerview
2.Layout：
支持下拉刷新和上拉加载的RefreshLayout,自带越界回弹效果
github.com/alivebao/FreeSizeDraggableLayout
一个封装多种特性的ViewPager https://github.com/alibaba/UltraViewPager
搜索 https://github.com/didixyy/BilibiliSearchView
ListView 拓展 https://github.com/daimajia/AndroidSwipeLayout
画图 2 https://github.com/RiccardoMoro/FreeDrawView
屏幕解锁 https://github.com/omadahealth/LolliPin
指纹识别 https://github.com/Zweihui/RxFingerPrinter
2.1 View
一个很炫的底部导航 https://github.com/roughike/BottomBar
https://github.com/ksoichiro/Android-ObservableScrollView（推荐了解下 behavior 的使用）
flexbox（ google 新出的 ViewGroup ） flexbox is a library project which brings the similar capabilities of CSS Flexible Box Layout Module to Android. https://github.com/google/flexbox-layout
搜索相关 https://github.com/pchmn/MaterialChipsInput
This is a UI lib for Android. Effects like shining.
2.2 图表
https://github.com/xcltapestry/XCL-Charts
https://github.com/PhilJay/MPAndroidChart
https://github.com/limccn/Android-Charts
https://github.com/whataa/SuitLines
3. material design
3.1 动画
过度动画 https://github.com/lgvalle/Material-Animations
3.2 md 风格的 dialog
https://github.com/afollestad/material-dialogs
4.多媒体
开源播放器 https://github.com/googlesamples/android-UniversalMusicPlayer
可移动弹出框播放 https://github.com/umano/AndroidSlidingUpPanel
5.github 官方 app github.com/pockethub/PocketHub
6.开源新闻 app github.com/nickbutcher/plaid
7.Google I/O Android App github.com/google/iosched
8.程序崩溃时启动一个特殊的 Activity 的工具 github.com/Ereza/CustomActivityOnCrash
9. 主题相关：
bilibili 多主题开源框架 github.com/Bilibili/MagicaSakura
不显示状态栏图标 https://github.com/emmaguy/clean-status-bar
github.com/afollestad/aesthetic
github.com/jgilfelt/SystemBarTint
10.文件加密
11.打包
100个渠道包只需要10秒钟 github.com/mcxiaoke/packer-ng-plugin
阿里开源框架 https://github.com/alibaba/dexposed
异常捕获工具 https://github.com/ACRA/acra
12.下载
13.图片
图片裁剪 https://github.com/Yalantis/uCrop
矢量图片 https://github.com/harjot-oberai/VectorMaster
https://github.com/jeasonlzy/ImagePicker
14.字体
https://github.com/chrisjenx/Calligraphy
15. log工具
16.热更新 https://github.com/Tencent/tinker
17.加载 gif https://github.com/koral--/android-gif-drawable（更推荐glide）
18.一个好看的指导界面 https://github.com/apl-devs/AppIntro
19. Fragment 工具，减少了很多在 Fragment 使用中的坑 github.com/YoKeyword/Fragmentation
20.
系统权限 https://github.com/hotchemi/PermissionsDispatcher
github.com/googlesamples/easypermissions
21.手机屏幕上的 debug 工具https://github.com/hulab/debugkit
22.后台任务 github.com/evernote/android-job
23.内存检测 github.com/square/leakcanary
