创建多个activity
http://blog.youkuaiyun.com/fulinwsuafcie/article/details/7375867
Intent和在Activity之间传递信息
http://blog.youkuaiyun.com/hustspy1990/article/details/6673710
创建多个activity
http://blog.youkuaiyun.com/fulinwsuafcie/article/details/7375867
Intent和在Activity之间传递信息
http://blog.youkuaiyun.com/hustspy1990/article/details/6673710