小编pws*_*s35的帖子

第一次尝试在Android中进行IP发现.我使用了http://developer.android.com/training/connect-devices-wirelessly/nsd.html#discover 并编写了代码.我没有注册设备,只是在网络中发现服务.当我在模拟器或设备中运行项目时,会调用onDiscoveryStarted(),但永远不会调用onServiceFound().请在下面找到我的代码.任何输入都非常感谢.谢谢!

public class MainActivity extends AppCompatActivity {

    private Button discoverButton;

    Context mContext;

    NsdManager mNsdManager;
    NsdManager.ResolveListener mResolveListener;
    NsdManager.DiscoveryListener mDiscoveryListener;
    NsdManager.RegistrationListener mRegistrationListener;

    public static final String SERVICE_TYPE = "_http._tcp.";
    public static final String TAG = "MyApp_MAIN_CLIENT";
    public String mServiceName = "MyApp";

    /*
    * public static final String SERVICE_TYPE = "_http._tcp.";
    public static final String TAG = "NsdHelper";
    public String mServiceName = "NsdChat";
    * */

    NsdServiceInfo mService;
    private Handler mUpdateHandler;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mNsdManager = (NsdManager) …