例如:appA要檢測啟動appB中的service

1.修改B中Service啟動時的FLAG

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        flags = START_STICKY;
        return super.onStartCommand(intent, flags, startId);
    }

2.新增B中Service銷燬時傳送自定義廣播

    @Override
    public void onDestroy() {
        Intent intent = new
 
 Intent("com.app.custom");
        sendBroadcast(intent);
        super.onDestroy();
    }

3.新增B中自定義許可權申明

    <permission
        android:name="app.custom.permission"
        android:protectionLevel="signature" />
    <uses-permission android:name="app.custom.permission" />

4.新增B中service的宣告

<service
    android:name="com.appb.BService"
    android:exported="true"//必須
    android:permission="app.custom.permission">//三個屬性缺一不可
    <intent-filter>
        <!--action名字自定義,建議是xx.xx.xx形式-->
        <action android:name="android.intent.action.START_B_SERVICE" />
    </intent-filter
 
>
</service>

5.新增A中許可權申明

<uses-permission android:name="app.custom.permission" />

6.新增A中監聽廣播

public class BootReceiver extends BroadcastReceiver {  

    @Override  
    public void onReceive(Context context, Intent intent) {  
        L.e("啟動B服務");
        Intent intentNew = new Intent();
        intentNew.setPackage("com.appb");
        intentNew.setAction("android.intent.action.START_B_SERVICE");
        context.startService(intentNew);

    }  

}  

7.在A中註冊廣播

        <receiver android:name=".BootReceiver">
            <intent-filter>
                <action android:name="com.app.custom" />
            </intent-filter>
        </receiver>