Android: How can we know the current connection type (ex. Wifi, 3G, 2G…) programmatically?

问题

I see this thread but it could not help me much.

回答1:

Use ConnectivityManager and getActiveNetworkInfo().

来源：https://stackoverflow.com/questions/3642267/android-how-can-we-know-the-current-connection-type-ex-wifi-3g-2g-progr