错误 Android 11 -> java.net.SocketTimeoutException 来自带有 API 30 的三星物理模拟器 (android 11)

如何解决错误 Android 11 -> java.net.SocketTimeoutException 来自带有 API 30 的三星物理模拟器 (android 11)

我有两个物理模拟器

支持 API 30 的三星手机（安卓 11）
支持 API 25 的三星平板电脑（安卓 7.1）

每当我尝试使用带有 API 25 (android 7.1) 的三星平板电脑运行连接到插座的应用程序时，我都会完美地连接插座，但如果我使用带有 API 30 (android 11) 的三星手机运行它，我总是在堆栈跟踪中收到以下错误：

java.net.socketTimeoutException: Failed to connect to /192.168.43.1 (port 5050) from /10.144.1.42 (port 50696) after 5000ms

这是我的代码：

public class MainActivity extends AppCompatActivity {
atomicreference<String> serverIP = new atomicreference<>("");
String localIP;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    setWiFiAddress(getApplication());
    ExecutorService executorService = Executors.newFixedThreadPool(1);
    executorService.execute(() -> {
        Socket socket = new Socket();
        try {
            socket.connect(new InetSocketAddress(serverIP.get(),5050),5000);
        } catch (Exception e) {
            e.printstacktrace();
        }
        System.out.println("ok");
    });
}

public Boolean setWiFiAddress(Application application) {
    ConnectivityManager connectivityManager = (ConnectivityManager) application.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        Network nw = connectivityManager.getActiveNetwork();
        if (nw == null) return false;
        NetworkCapabilities actNw = connectivityManager.getNetworkCapabilities(nw);
        if (actNw != null && actNw.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
            final WifiManager manager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            InetAddress localIP = getIntAddress(manager.getDhcpInfo().ipAddress);
            if(localIP != null) {
                this.localIP = localIP.getHostAddress();
            }
            InetAddress address = getIntAddress(manager.getDhcpInfo().serverAddress);
            if (address != null) {
                serverIP.set(address.getHostAddress());
                return true;
            }
        }
    }
    serverIP.set("");
    return false;
}

private InetAddress getIntAddress(int hostAddress) {
    // Get IP Address
    byte[] addressBytes = {(byte) (0xff & hostAddress),(byte) (0xff & (hostAddress >> 8)),(byte) (0xff & (hostAddress >> 16)),(byte) (0xff & (hostAddress >> 24))};

    try {
        return InetAddress.getByAddress(addressBytes);
    } catch (UnkNownHostException e) {
        return null;
    }
}

}

我在网上搜索了很多建议是在 android:usesCleartextTraffic="true" AndroidManifest.xml 中添加 <application ....> </application> 但这并没有解决问题。

我还确保我拥有应用所需的所有权限列表：

<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.READ_PHONE_NUMBERS" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.hardware.location.gps" />
<uses-permission android:name="android.hardware.location.network" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />

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

我想知道为什么我会收到这部分错误：from /10.144.1.42 (port 50696)，因为网络子网是：192.168.43.x，而服务器套接字位于 192.168.43.1（它也是 wifi 服务器）。