android Service Binder交互通信实例

lt;intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <service android:name="CountService">            <intent-filter>                <action android:name="com.easymorse.CountService"/>            </intent-filter>        </service>    </application>    <uses-sdk android:minSdkVersion="3" /></manifest>     Acitity代码不再通过startSerivce和stopService启动关闭服务，另外，需要通过ServiceConnection的内部类实现来连接Service和Activity。 package com.easymorse; 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.util.Log; public class LocalServiceDemoActivity extends Activity {     private ServiceConnection serviceConnection = new ServiceConnection() {         @Override        public void onServiceConnected(ComponentName name, IBinder service) {            countService = (ICountService) service;            Log.v("CountService", "on serivce connected, count is "                    + countService.getCount());        }         @Override        public void onServiceDisconnected(ComponentName name) {            countService = null;        }     };     private ICountService countService;     /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        this.bindService(new Intent("com.easymorse.CountService"),                this.serviceConnection, BIND_AUTO_CREATE);    }     @Override    protected void onDestroy() {           this.unbindService(serviceConnection)