是否可以阻止iPhone在我的应用程序图标中添加“闪耀”？

When you define an icon for your app in XCode and then run it in the simulator or on a real device, the icon is automatically trimmed so it has rounded edges and a 'glossy' sheen is applied over top of the icon. I'd like to get rid of that sheen since it's obscuring some of the detail in my icon. It seems like some other apps are able to accomplish this... anyone know how it's done?When you define an icon for your app in XCode a