ap

1. public String NetType(Context context) {  
2.         try {  
3.             ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);  
4.             NetworkInfo info = cm.getActiveNetworkInfo();  
5.             String typeName = info.getTypeName().toLowerCase(); // WIFI/MOBILE  
6.             if (typeName.equalsIgnoreCase("wifi")) {  
7.             } else {  
8.                 typeName = info.getExtraInfo().toLowerCase();  
9.                 // 3gnet/3gwap/uninet/uniwap/cmnet/cmwap/ctnet/ctwap  
10.             }  
11.             return typeName;  
12.         } catch (Exception e) {  
13.             return null;  
14.         }  
15.     }