问题
I want to create dynamic text changing icon like the calendar app in iOS 7 is there any way to do so?
回答1:
You can not do this, there is no API allowing this.
Your apps icon is in your application bundle which is readonly and therefor can not be modified.
回答2:
Sorry brother ... !! There is no API for your requirement. Apple does this only for their apps. Your app icon must be bundled with your application bundle.
来源：https://stackoverflow.com/questions/23866911/how-to-create-dynamic-icon-like-calendar-icon-of-ios-7