"Última instalación móvil informada" no tiene ningún evento de instalación de Android

I develop an app on both ios and android platform using sdk 3.5 , Last Mobile Install Reported only display ios event, android event is missing.

Me gusta esto:

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Last Mobile Install Reported iOS： 2013年11月21日 14:51

More details on reported events 

/ / / /

protected void onResume() { super.onResume();

    String AppId = this.getString(R.string.app_id);
    com.facebook.AppEventsLogger.activateApp(this, AppId);

}

But when I click "More details on reported events", I can see android login event.