带有okhttp websocket的Android - NetworkOnMainThreadException

implementation 'com.squareup.okhttp3:okhttp:版本号'

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
        .url("ws://your-websocket-url")
        .build();

WebSocket webSocket = client.newWebSocket(request, new WebSocketListener() {
    @Override
    public void onOpen(WebSocket webSocket, Response response) {
        // WebSocket连接已经建立
    }

    @Override
    public void onMessage(WebSocket webSocket, String text) {
        // 收到服务器发送的消息
    }

    @Override
    public void onClosed(WebSocket webSocket, int code, String reason) {
        // WebSocket连接已关闭
    }

    @Override
    public void onFailure(WebSocket webSocket, Throwable t, Response response) {
        // 连接失败
    }
});

// 发送消息
webSocket.send("Hello, Server!");

// 关闭连接
webSocket.close(1000, "Goodbye!");