S1.自定义控件开源项目
SS1.FlowLayout-流式布局
https://github.com/hongyangAndroid/FlowLayout
https://github.com/LyndonChin/AndroidFlowLayout
SS2.Calendar-自定义的日历
https://github.com/traex/CalendarListview 源码分析
SS3.ExpandableTextView-可伸缩的文本控件
https://github.com/Manabu-GT/ExpandableTextView
原文：http://www.cnblogs.com/zhen-android/p/5705180.html