需要知道android中的wifi访问点名称

WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
     if (wifiManager != null) {
         WifiInfo info = wifiManager.getConnectionInfo();
         if (info != null) {
            String ssid = info.getSSID();
            ...
     }           
}

然后,您需要为清单添加权限.

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />