Can an iOS app have a custom design for the phone call pop-up alert?

问题

The program has a button, and after button is tapped, it goes to the system dialler to make the call to the 'phone number.

回答1:

Assuming you are talking about making a phone call using a tel: or telprompt: URL, then no. There is no way to customize the user experience.

来源：https://stackoverflow.com/questions/41153217/can-an-ios-app-have-a-custom-design-for-the-phone-call-pop-up-alert