android:Service

package mars.service1;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class TestActivity extends Activity {
/** Called when the activity is first created. */
private Button startServiceButton = null;
private Button stopServiceButton = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
startServiceButton = (Button) findViewById(R.id.startService);
startServiceButton.setOnClickListener(new StartServiceListener());
stopServiceButton = (Button) findViewById(R.id.stopService);
stopServiceButton.setOnClickListener(new StopServiceListener());
System.out.println("Activity onCreate");
}

class StartServiceListener implements OnClickListener {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(TestActivity.this, FirstService.class);
startService(intent);
}
}

class StopServiceListener implements OnClickListener {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(TestActivity.this, FirstService.class);
stopService(intent);
}
}
}

 

 

package mars.service1;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;

public class FirstService extends Service {

@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
System.out.println("Service onBind");
return null;
}

//当创建一个Servcie对象之后，会首先调用这个函数
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
System.out.println("Service onCreate");
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// TODO Auto-generated method stub
System.out.println("flags--->" + flags);
System.out.println("startId--->" + startId);
System.out.println("Service onStartCommand");
return START_NOT_STICKY;
}

@Override
public void onDestroy() {
// TODO Auto-generated method stubo
System.out.println("Service onDestory");
super.onDestroy();
}
}

 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="mars.service1"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".TestActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".FirstService"></service>
</application>
<uses-sdk android:minSdkVersion="7" />

</manifest>