Merge pull request #189 from timqi/master

add SectorProgressView

Author: Trinea

README.md

@@ -711,6 +711,12 @@ A 2d metaball loading
 效果图：![Renderings](https://github.com/dodola/MetaballLoading/blob/master/metaball.gif) 
 效果图：![Renderings](https://github.com/dodola/MetaballLoading/blob/master/metaball2.gif) 
 
+1. SectorProgressView  
+一个圆形的进度显示控件，用圆中扇形的角度大小来表示进度信息
+项目地址：https://github.com/timqi/SectorProgressView
+Demo：[apk download](https://github.com/timqi/SectorProgressView/raw/master/art/SectorProgressView-V1.0-Example.apk) 
+效果图：![SectorProgressView](https://github.com/timqi/SectorProgressView/blob/master/art/sample.gif) 
+
 #### 八、TextView
 包括 TextView 及所有继承自 TextView 控件，如 EditText、Button、RadioButton