Android判断网络是否已经连接

 // check all network connect, WIFI or mobile

 public static boolean isNetworkAvailable(final Context context) {

     boolean hasWifoCon = false;

     boolean hasMobileCon = false;

     ConnectivityManager cm = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);

     NetworkInfo[] netInfos = cm.getAllNetworkInfo();

     for (NetworkInfo net : netInfos) {

         String type = net.getTypeName();

         if (type.equalsIgnoreCase("WIFI")) {

             LevelLogUtils.getInstance().i(tag, "get Wifi connection");

             if (net.isConnected()) {

                 hasWifoCon = true;

             }

         }

         if (type.equalsIgnoreCase("MOBILE")) {

             LevelLogUtils.getInstance().i(tag, "get Mobile connection");

             if (net.isConnected()) {

                 hasMobileCon = true;

             }

         }

     }

     return hasWifoCon || hasMobileCon;

 }