View解析
http://blog.csdn.net/yanbober/article/details/45970721
View显示
http://blog.csdn.net/veryitman/article/details/6695516
View测量,布局和绘制
http://blog.csdn.net/yanbober/article/details/46128379
onMeasure
http://blog.csdn.net/a553181867/article/details/51494058
onLayout
http://blog.csdn.net/a553181867/article/details/51524527
onDraw
http://blog.csdn.net/a553181867/article/details/51570854
invalidate函数详解
http://blog.csdn.net/zjmdp/article/details/7713209
http://blog.csdn.net/a553181867/article/details/51583060