android检查网络是3GWIFI还是WAP，android3gwifi,public void

android检查网络是3GWIFI还是WAP，android3gwifi,public void

public void getNetworkType(Context context){        ConnectivityManager conn = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);        if(conn.getNetworkInfo(ConnectivityManager.TYPE_WIFI).getState() ==  NetworkInfo.State.CONNECTED){            //TODO WIFI;        }else if(conn.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState() ==  NetworkInfo.State.CONNECTED){            String proxyHost = android.net.Proxy.getDefaultHost();            if (proxyHost != null && !proxyHost.equals("")) {                //TODO WAP            }            //TODO GPRS;        }        //NO_NETWORK;    }