Android 簡單的webSocket長連線

2020-10-28 16:01:08
  public static WebSocket webSocket;
    public OkHttpClient mOkHttpClient = new OkHttpClient.Builder().readTimeout(15000, TimeUnit.SECONDS)//設定讀取超時時間
            .writeTimeout(15000, TimeUnit.SECONDS)//設定寫的超時時間
            .connectTimeout(15000, TimeUnit.SECONDS)//設定連線超時時間
            .build();

    public void webSocket() {
        String url = "ws://websocket"; //伺服器端的地址
        Request request = new Request.Builder().url(url).build();
        WebSocketCall webSocketCall = WebSocketCall.create(mOkHttpClient, request);
        webSocketCall.enqueue(new WebSocketListener() {
            @Override
            public void onOpen(WebSocket webSocket, Response response) {
                Log.d("WebSocketCall", "onOpen");
                MainActivity.webSocket = webSocket;
                try {
                    webSocket.sendMessage(RequestBody.create(WebSocket.TEXT, "測試"));//傳送內容
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            /**
             * 連線失敗
             */
            @Override
            public void onFailure(IOException e, Response response) {
                Log.d("WebSocketCall", "onFailure");
            }

            /**
             * 接收到訊息
             */
            @Override
            public void onMessage(ResponseBody message) throws IOException {
                try {
                    MyLog.e("message" + message.string());//接收實時內容
                } catch (Exception e) {
                    message.source().close();
                }
                message.source().close();
            }

            @Override
            public void onPong(Buffer payload) {
                Log.d("WebSocketCall", "onPong:");
            }

            /**
             * 關閉
             */
            @Override
            public void onClose(int code, String reason) {
                MyLog.e("onClose");
            }
        });
    }

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