Android高手进阶教程(十一)之 Android 通用获取Ip的方法（判断手机是否联网的方法），或者想获得当前手机的Ip地址，当然WIFI连接的和我们3G卡的Ip地址当然是不一样的-Android master advanced tutorial (eleven) method to obtain Ip (　Android general method for judging whether the mobile phone network), or want to get the current mobile Ip address, and of course the WIFI connection and our 3G card Ip address is certainly not the same