android get wifi ssid

WifiManager wifi;
String mssid;

@Overrideprotected void onCreate(Bundle savedInstanceState) {
   

    ..................

    //get your WiFi's SSID
    //下面三行是取得你當前連線到的wifi的SSID    

    wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    WifiInfo wifiInfo = wifi.getConnectionInfo();
    mssid = wifiInfo.getSSID();
    Log.i(TAG, "mssid : "+mssid)