Android界面刷新方法:Invalidate跟postInvalidate函数
Android界面刷新方法:Invalidate和postInvalidate函数
android中Invalidate和postInvalidate的区别
链接:http://www.cnblogs.com/tt_mc/archive/2012/01/30/2332023.html
附上Handler更新UI的讲解:http://blog.csdn.net/androidbluetooth/article/details/6384641#reply