(adsbygoogle = window.adsbygoogle || []).push({ google_ad_client: "ca-pub-8242763509535969", enable_page_level_ads: true }); [안드로이드] 이클립스와 안드로이드 소켓 연동! :: 깜냥깜냥
android

이클립스는 javaproject를 만들어 주시고 클래스를 만들 때 주의 해야 할 것은 패키지 이름을 'org.androidtown.socket'으로 해주세요.

MainActivitiy.java
 
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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.EditText;
 
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
 
public class MainActivity extends AppCompatActivity {
    EditText input01;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        input01 = (EditText) findViewById(R.id.input01);
 
        Button button01 = (Button) findViewById(R.id.button01);
        button01.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                String addr = input01.getText().toString().trim();
 
                ConnectThread thread = new ConnectThread(addr);
                thread.start();
            }
        });
 
    }
 
    class ConnectThread extends Thread {
        String hostname;
 
        public ConnectThread(String addr) {
            hostname = addr;
        }
        public void run() {
            try {
                int port = 5001;
 
                Socket sock = new Socket(hostname, port);
                ObjectOutputStream outstream = new ObjectOutputStream(sock.getOutputStream());
                outstream.writeObject("Hello AndroidTown on Android");
                outstream.flush();
 
                ObjectInputStream instream = new ObjectInputStream(sock.getInputStream());
                String obj = (String) instream.readObject();
 
                Log.d("MAinActivity", "서버에서 받은 메시지: " + obj);
 
                sock.close();
 
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }
}
 

 

activitiy_main.xml

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.hyosin.chatt.MainActivity">
 
    <TextView
        android:id="@+id/text01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="Click the button to connect the socket. Please check the log."
        tools:context=".MainActivity"/>
 
    <Button
        android:id="@+id/button01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="20dp"
        android:layout_below="@+id/text01"
        android:text="Socket connection"
        android:textSize="20dp"
        android:textStyle="bold"
        tools:context=".MainActivity" />
 
    <EditText
        android:id="@+id/input01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="20dp"
        android:layout_below="@+id/button01"
        android:hint="연결할 소켓 서버 IP"
        android:text="000.000.000.00"
        android:textSize="16dp"
        android:textStyle="bold"
        tools:context=".MainActivity" />
 
</LinearLayout>
 


AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
    package="com.example.hyosin.chatt">
 
    <uses-permission android:name="android.permission.INTERNET" />
 
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
 
</manifest>

 


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