compile 'com.squareup.okhttp3:okhttp:3.8.1'

compile 'com.squareup.okhttp3:mockwebserver:3.8.1'

布局文件

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/activity_main"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.yinzhendong.websocket.MainActivity">

<ScrollView

android:layout_width="match_parent"

android:layout_height="wrap_content">

<LinearLayout

android:layout_marginLeft="20dp"

android:layout_marginRight="20dp"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:gravity="center_horizontal"

android:orientation="vertical">

<Button

android:id="@+id/start"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginTop="10dp"

android:text="连接"

android:textSize="17sp"/>

<TextView

android:id="@+id/output"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="10dp"

android:textSize="16sp"/>

</LinearLayout>

</ScrollView>

</RelativeLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity implements View.OnClickListener{

private Button btnStart;

private TextView tvOutput;

private WebSocket mSocket;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

btnStart = (Button) findViewById(R.id.start);

tvOutput = (TextView) findViewById(R.id.output);

btnStart.setOnClickListener(this);

}

private void start() {

OkHttpClient mOkHttpClient = new OkHttpClient.Builder()

.readTimeout(3, TimeUnit.SECONDS)//设置读取超时时间

.writeTimeout(3, TimeUnit.SECONDS)//设置写的超时时间

.connectTimeout(3, TimeUnit.SECONDS)//设置连接超时时间

.build();

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

EchoWebSocketListener socketListener = new EchoWebSocketListener();

mOkHttpClient.newWebSocket(request, socketListener);

mOkHttpClient.dispatcher().executorService().shutdown();

}

/**

* @param v The view that was clicked.

*/

@Override

public void onClick(View v) {

switch (v.getId()) {

case R.id.start://开始连接

start();

break;

}

}

private final class EchoWebSocketListener extends WebSocketListener {

@Override

public void onOpen(WebSocket webSocket, Response response) {

super.onOpen(webSocket, response);

mSocket = webSocket;

String openid = "1";

//连接成功后，发送登录信息

String message = "{\"type\":\"login\",\"user_id\":\""+openid+"\"}";

mSocket.send(message);

output("连接成功！");

}

@Override

public void onMessage(WebSocket webSocket, ByteString bytes) {

super.onMessage(webSocket, bytes);

output("receive bytes:" + bytes.hex());

}

@Override

public void onMessage(WebSocket webSocket, String text) {

super.onMessage(webSocket, text);

output("receive text:" + text);

//收到服务器端发送来的信息后，每隔25秒发送一次心跳包

final String message = "{\"type\":\"heartbeat\",\"user_id\":\"heartbeat\"}";

Timer timer = new Timer();

timer.schedule(new TimerTask() {

@Override

public void run() {

mSocket.send(message);

}

},25000);

}

@Override

public void onClosed(WebSocket webSocket, int code, String reason) {

super.onClosed(webSocket, code, reason);

output("closed:" + reason);

}

@Override

public void onClosing(WebSocket webSocket, int code, String reason) {

super.onClosing(webSocket, code, reason);

output("closing:" + reason);

}

@Override

public void onFailure(WebSocket webSocket, Throwable t, Response response) {

super.onFailure(webSocket, t, response);

output("failure:" + t.getMessage());

}

}

private void output(final String text) {

runOnUiThread(new Runnable() {

@Override

public void run() {

tvOutput.setText(tvOutput.getText().toString() + "\n\n" + text);

}

});

}

}

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/103589139