Android - 判断当前是否使用的是Wifi网络

 1 // 判断当前是否使用的是 WIFI网络  
 2     public static boolean isWifiActive(Context icontext){
 3         Context context = icontext.getApplicationContext();    
 4         ConnectivityManager connectivity = (ConnectivityManager) context    
 5                 .getSystemService(Context.CONNECTIVITY_SERVICE);
 6         NetworkInfo[] info;
 7         if (connectivity != null) {    
 8             info = connectivity.getAllNetworkInfo();    
 9             if (info != null) {    
10                 for (int i = 0; i < info.length; i++) {    
11                     if (info[i].getTypeName().equals("WIFI") && info[i].isConnected()) {    
12                         return true;    
13                     }    
14                 }    
15             }    
16         }    
17         return false;   
18     }