利用okHttp中的WebSocket功能在AndroidStudio测试WebSocketClient,
其中Server是使用okHttp中的mock web server搭建的,所以在同一台机器上测试的(mock只能在本机上测试),如果没有搭server, 可以换成“ws://echo.websocket.org”测试。
build.gradle:
compile 'com.squareup.okhttp3:okhttp:3.10.0'
AndroidManifest.xml:
<uses-permission android:name="android.permission.INTERNET"/>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/start"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:text="Start !"
android:layout_marginTop="40dp"
android:textSize="17sp"/>
<TextView
android:id="@+id/text_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/start"
android:layout_centerHorizontal="true"
android:textSize="16sp"
android:layout_marginTop="30dp"/>
</LinearLayout>
MainActivity.java
package com.example.websocketclient;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.WebSocket;
import okhttp3.WebSocketListener;
import okio.ByteString;
public class MainActivity extends AppCompatActivity {
private Button start;
private TextView textView;
private OkHttpClient client;
private final class testWebSocketListener extends WebSocketListener {
private static final int NORMAL_CLOSURE_STATUS = 1000;
@Override
public void onOpen(WebSocket webSocket, Response response) {
webSocket.send("Hello, it's Kris !");
webSocket.send("What's up ?");
webSocket.send(ByteString.decodeHex("deadbeef"));
webSocket.close(NORMAL_CLOSURE_STATUS, "Goodbye !");
}
@Override
public void onMessage(WebSocket webSocket, String text) {
printToScreen("Receiving : " + text);
}
@Override
public void onMessage(WebSocket webSocket, ByteString bytes) {
printToScreen("Receiving bytes : " + bytes.hex());
}
@Override
public void onClosing(WebSocket webSocket, int code, String reason) {
webSocket.close(NORMAL_CLOSURE_STATUS, null);
printToScreen("Closing : " + code + " / " + reason);
}
@Override
public void onFailure(WebSocket webSocket, Throwable t, Response response) {
printToScreen("Error : " + t.getMessage());
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
start = (Button) findViewById(R.id.start);
textView = (TextView) findViewById(R.id.text_view);
client = new OkHttpClient();
start.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
start();
}
});
}
private void start() {
Request request = new Request.Builder().url("ws://localhost:44740").build();
testWebSocketListener listener = new testWebSocketListener();
WebSocket ws = client.newWebSocket(request, listener);
// client.dispatcher().executorService().shutdown();
}
private void printToScreen(final String txt) {
runOnUiThread(new Runnable() {
@Override
public void run() {
textView.setText(textView.getText().toString() + "\n\n" + txt);
}
});
}
}
完整源代码下载:
https://download.csdn.net/download/kris_fei/10409034