Android Application: Got Internet Connection

Question

如何检查是否有成功的互联网连接（Wifi / 3G /其他）我已经向用户显示错误，如果他们没有Wifi连接但我怎么能确定用户是否有3G连接如果他们希望连接使用没有Wifi连接的应用程序？

Answer 1

If you just want to see if the phone is connected to the network, you could try: ConnectivityManager.getAllNetworkInfo() and then for each network adapter check networkinfo.getState() . That should tell you whether it's connected or not. However, I'm not sure if there's a way to specifically check for 3G.