Android cool and practical open source framework (UI framework)

1.Side-Menu.Android
category sliding menu, produced by Yalantis  .
Project address: https://github.com/Yalantis/Side-Menu.Android

2. Context-Menu.Android
can easily and quickly integrate beautiful context menus with animation effects, produced by Yalantis .
Project address: https://github.com/Yalantis/Context-Menu.Android

3.Pull-to-Refresh.Rentals-Android
provides a simple and customizable pull-to-refresh implementation, produced by Yalantis  .
Project address: https://github.com/Yalantis/Pull-to-Refresh.Rentals-Android

4.Titanic
can display the TextView
project address where the water level rises and falls: https://github.com/RomainPiel/Titanic

5.AndroidSwipeLayout
sliding Layout, supports single View, ListView, GridView
Project address: https://github.com/daimajia/AndroidSwipeLayout
Demo address: Download Demo

6.Android Typeface Helper
can help you easily implement custom font library
project address: https://github.com/norbsoft/android-typeface-helper

7.android-lockpattern

Android Pattern Password Unlock

Project address: https://code.google.com/p/android-lockpattern/

Demo site: https://play.google.com/store/apps/details?id=group.pals.android.lib.ui.lockpattern.demo

Documentation introduction: https://code.google.com/p/android-lockpattern/wiki/QuickUse

APP example: Android boot pattern password unlock, Alipay password unlock

8. The Button of ToggleButton
state switching, similar to iOS, uses View to realize the
project address: https://github.com/zcweng/ToggleButton

9.WilliamChart
绘制图表的库，支持LineChartView、BarChartView和StackBarChartView三中图表类型，并且支持 Android 2.2及以上的系统。
项目地址：https://github.com/diogobernardino/WilliamChart
Demo地址：https://play.google.com/store/apps/details?id=com.db.williamchartdemo
Demo项目：https://github.com/diogobernardino/WilliamChart/tree/master/sample

10.实现滑动ViewPager渐变背景色

项目地址：https://github.com/TaurusXi/GuideBackgroundColorAnimation

11.Euclid
用户简历界面，Yalantis 出品。
项目地址：https://github.com/Yalantis/Euclid

12.InstaMaterial

Instagram的一组Material 风格的概念设计

项目地址：https://github.com/frogermcs/InstaMaterial

13.SpringIndicator

使用bezier实现粘连效果的页面指示

项目地址：https://github.com/chenupt/SpringIndicator

14.BezierDemo

仿qq消息气泡拖拽消失的效果。

项目地址：https://github.com/chenupt/BezierDemo

15.FoldableLayout

折叠的信纸被打开一样的动画效果

• 项目地址：https://github.com/alexvasilkov/FoldableLayout

16.Taurus
下拉刷新，Yalantis 出品。（是不是有点似曾相识呢？）
项目地址：https://github.com/Yalantis/Taurus

17.PersistentSearch

在点击搜索的时候控件在原有位置显示输入框。

项目地址：https://github.com/Quinny898/PersistentSearch

18.circular-progress-button

带进度显示的Button

项目地址： https://github.com/dmytrodanylyk/circular-progress-button

19.discrollview

当上下滚动的时候子元素会呈现不同动画效果的scrollView，网页上称之为：视差滚动

项目地址： https://github.com/flavienlaurent/discrollview

20.sweet-alert-dialog

一个带动画效果的自定义对话框样式

项目地址：https://github.com/pedant/sweet-alert-dialog

21.android-floating-action-button

Material Desig风格的浮动操作按钮

项目地址：https://github.com/futuresimple/android-floating-action-button

22.android-collapse-calendar-view

可以在月视图与周视图之间切换的calendar控件

项目地址：https://github.com/blazsolar/android-collapse-calendar-view

23.NumberProgressBar

个简约性感的数字进度条

项目地址：https://github.com/daimajia/NumberProgressBar

24.CircularProgressView

CircularProgressView 是通过自定义view的方式实现的Material风格的加载提示控件，兼容任何版本。

项目地址：https://github.com/rahatarmanahmed/CircularProgressView

25.OriSim3D-Android

opengl 实现了各种折纸效果，模拟了从一张纸折叠成一条船的整个过程

项目地址： https://github.com/RemiKoutcherawy/OriSim3D-Android