1.PopUpWindow:
http://blog.youkuaiyun.com/harvic880925/article/details/49272285
2.Notification
http://blog.youkuaiyun.com/itachi85/article/details/50096609
1.PopUpWindow:
http://blog.youkuaiyun.com/harvic880925/article/details/49272285
2.Notification
http://blog.youkuaiyun.com/itachi85/article/details/50096609