Service structure : Service « Network « Android

1. Android
2. Network
3. Service

Service structure

  

package app.test;

import android.app.Activity;
import android.app.Service;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

class SimpleServiceService extends Service {

  @Override
  public IBinder onBind(Intent intent) {
    return null;
  }

  @Override
  public void onCreate() {
    Log.v("SIMPLESERVICE", "onCreate");
  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    Log.v("SIMPLESERVICE", "onStartCommand");
    return START_STICKY;
  }

  @Override
  public void onStart(Intent intent, int startid) {
    Log.v("SIMPLESERVICE", "onStart");
  }

  public void onDestroy() {
    Log.v("SIMPLESERVICE", "onDestroy");
  }
}

public class Test extends Activity implements OnClickListener {

  Button startServiceButton;
  Button stopServiceButton;

  Intent serviceIntent;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    startServiceButton = (Button) this
        .findViewById(R.id.StartServiceButton);
    stopServiceButton = (Button) this.findViewById(R.id.StopServiceButton);

    startServiceButton.setOnClickListener(this);
    stopServiceButton.setOnClickListener(this);

    serviceIntent = new Intent(this, SimpleServiceService.class);
  }

  public void onClick(View v) {
    if (v == startServiceButton) {
      startService(serviceIntent);
    } else if (v == stopServiceButton) {
      stopService(serviceIntent);
    }
  }
}


//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="fill_parent"
    android:layout_height="fill_parent"
    >
    <TextView  
        android:layout_width="fill_parent" 
        android:layout_height="wrap_content" 
        android:text="Simple Service"
    />
    <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/StartServiceButton" android:text="Start Service"></Button>
    <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Stop Service" android:id="@+id/StopServiceButton"></Button>
</LinearLayout>

   
    
  

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