Android - how to make sure my Service is restarted?

I have an Android application with a background running Service.

When the Service crashes or gets killed by Android I can see that Android tries to restart it again.

However the Service never actually restarts, I can see Android scheduling the restart but it new actually happens.

My code is as follows:

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@Override
public void onCreate() {
    String ns = Context.NOTIFICATION_SERVICE;
    mNotificationManager = (NotificationManager) getSystemService(ns);
    mTelephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
    audio_service = (AudioManager) getSystemService(Context.AUDIO_SERVICE);


}

// This is the old onStart method that will be called on the pre-2.0
// platform.  On 2.0 or later we override onStartCommand() so this
// method will not be called.
@Override
public void onStart(Intent intent, int startId) {
    handleCommand(intent);
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
    handleCo开发者_C百科mmand(intent);
    // We want this service to continue running until it is explicitly
    // stopped, so return sticky.
    return START_STICKY;
}

 void handleCommand(Intent intent) {

        running = true;
        mTelephonyManager.listen(new IncomingListener(), PhoneStateListener.LISTEN_CALL_STATE);

    }

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Is there something missing in my code to allow the Service be restarted?

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Have you tried using startForeground()?