android之获得当前连接wifi的名字

WifiManager wifiMgr = (WifiManager) mActivity.getSystemService(Context.WIFI_SERVICE);
        int wifiState = wifiMgr.getWifiState();
        WifiInfo info = wifiMgr.getConnectionInfo();
        String wifiId = info != null ? info.getSSID() : null;

public static InetAddress getWifiIp() {
        Context myContext = Globals.getContext();
        if (myContext == null) {
            throw new NullPointerException("Global context is null");
        }
        WifiManager wifiMgr = (WifiManager) myContext.getSystemService(Context.WIFI_SERVICE);
        if (isWifiEnabled()) {
            int ipAsInt = wifiMgr.getConnectionInfo().getIpAddress();
            if (ipAsInt == 0) {
                return null;
            } else {
                return Util.intToInet(ipAsInt);
            }
        } else {
            return null;
        }
    }

　　// 取得wifi的ip地址

　　InetAddress address = FTPServerService.getWifiIp();
　　address.getHostAddress();
　　

public static boolean isWifiEnabled() {
        Context myContext = Globals.getContext();
        if (myContext == null) {
            throw new NullPointerException("Global context is null");
        }
        WifiManager wifiMgr = (WifiManager) myContext.getSystemService(Context.WIFI_SERVICE);
        if (wifiMgr.getWifiState() == WifiManager.WIFI_STATE_ENABLED) {
            ConnectivityManager connManager = (ConnectivityManager) myContext
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo wifiInfo = connManager
                    .getNetworkInfo(ConnectivityManager.TYPE_WIFI);
            return wifiInfo.isConnected();
        } else {
            return false;
        }
    }

// 打开wifi设置的页面

Intent intent = new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS);
startActivity(intent);