Android service实例

首先继承Service

package com.tcl.kang.demo;

import com.tcl.kang.demo.ICountService;

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

public class MyService extends Service
{
	
	
	@Override
	public void onCreate() {
		// TODO Auto-generated method stub
		super.onCreate();
	}
	
	
	private ICountService.Stub myBinder = new ICountService.Stub()
	{		
		@Override
		public int getCount() throws RemoteException
		{
			// TODO Auto-generated method stub
			return 0;
		}
	};

	@Override
	public IBinder onBind(Intent intent)
	{
		// TODO Auto-generated method stubk
		return myBinder;
	}

}

创建一个aidl文件 ICountService.aidl,这时会在gen目录下生成一个java文件，将java文件打包成jar。

package com.tcl.kang.demo;

interface ICountService
{
	int getCount();
}

修改manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.tcl.kang.demo" android:versionCode="1"
	android:versionName="1.0">
	<application>
	<service android:name=".MyService">
		<intent-filter>
			<action android:name="com.tcl.kang.demo.MyService" />
			<category android:name="android.intent.category.DEFAULT" />			
		</intent-filter>
	</service>
	</application>
	<uses-sdk android:minSdkVersion="8" />

</manifest> 

客户端：首先包含刚才的jar包,

package com.tcl.testservice2;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;

import com.tcl.kang.demo.ICountService;

public class TestService2Activity extends Activity {
	private ICountService countService;	
	private ServiceConnection myConnection = new ServiceConnection()
	{

		@Override
		public void onServiceConnected(ComponentName name, IBinder service) {
			countService = (ICountService.Stub.asInterface(service));
			try {
				Log.v("", "kang: count="+countService.getCount());
			} catch (RemoteException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
			// TODO Auto-generated method stub
			countService = null;
		}
	
	};
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        bindService(new Intent("com.tcl.kang.demo.MyService"),myConnection, BIND_AUTO_CREATE);        
    }
	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		unbindService(myConnection);
	}
    
}