直接上程式碼

<service
android:name=".DownLoadService"
android:label="SmartCamService"
android:enabled="true"
>
    <intent-filter>
        <action android:name="android.intent.action.RESPOND_VIA_MESSAGE"  />
    </intent-filter>
</service>

//啟動Service的方法
 
Intent intent = new Intent(MainActivity.this, DownLoadService.class);
intent.setAction("android.intent.action.RESPOND_VIA_MESSAGE");
MainActivity.this.startService(intent);