Android_2.2_eclipse_service_simple_demo

service简单应用，Log中打印了启动和结束的调用步骤

mainActivity

package com.gongsi.service18;

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

public class Service18Activity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        Button startButton = (Button)findViewById(R.id.startService);
        Button stopButton = (Button)findViewById(R.id.stopService);
        startButton.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                doStart();
            }
        });
        stopButton.setOnClickListener(new View.OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                doStop();
            }
        });
    }
    //启动服务
    private void doStart(){
        Intent intent = new Intent(this,MService.class);
        Bundle bundle = new Bundle();
        bundle.putString("MusicName", "hello.mp3");
        intent.putExtras(bundle);
        this.startService(intent);
    }
    //停止服务
    private void doStop(){
        Intent intent = new Intent(this,MService.class);
        this.stopService(intent);
    }
}

Service

package com.gongsi.service18;

import android.app.Service;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;

public class MService extends Service {

    /* 如果onBind返回null表示不能通过bindService调用 */
    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void onCreate() {
        // TODO Auto-generated method stub
        super.onCreate();
        Log.v("Service:","In onCreate");
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        // TODO Auto-generated method stub
        Log.v("Service:","In onStartCommand");
        //根据intent中得到bundle数据，在数据中根据key去的数据
        Bundle bundle =    intent.getExtras();
        String name = bundle.getString("MusicName");
        Log.v("info", name);
        return super.onStartCommand(intent, flags, startId);
    }

    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        Log.v("Service:","In onDestroy");
        super.onDestroy();
    }

}

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:textSize="25dp"
         android:text="@string/hello"/>
    <Button android:text="StartService" android:id="@+id/startService"
        android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
    <Button android:text="StopService" android:id="@+id/stopService"
        android:layout_width="wrap_content" android:layout_height="wrap_content"></Button>
</LinearLayout>

manifest主要添加service项目

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.gongsi.service18"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="8"/>

    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".Service18Activity"
                  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=".MService"
        android:enabled="true"></service>
    </application>
</manifest>