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You're reading from  Apple Pay Essentials

Product typeBook
Published inFeb 2016
Reading LevelBeginner
Publisher
ISBN-139781785886386
Edition1st Edition
Languages
Java
Concepts
Financial Technology
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Author (1)
Ernest Bruce
Ernest Bruce
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Ernest Bruce

Ernest Bruce is an accomplished technical writer and software engineer. He has worked for 13 years at Apple, Inc., where he held the position of Senior Technical Writer writing developer documentation. At Apple, Ernest specialized in writing documentation for the Xcode toolset, focusing on the Xcode user guide, and Xcode overview, as well as unit testing documentation and sample code. He also worked extensively on API documentation for the OS X and iOS platforms. Ernest helped design and develop the Xcode help articles that aid developers in getting around the user interface of the Xcode app. Before his years at Apple, Ernest worked as a programmer for Ping, Inc., where he helped manage the manufacturing processes using APL (A Programming Language). Ernest also has extensive experience in customer service, which has been instrumental to him developing content that readers find clear and easy to read, and that makes complex concepts more approachable. Ernest is the head of Nerd Brawn, LLC, a software development company that focuses on developing platforms that help people learn about their environment and each other in innovative ways. The company is also working on new techniques to present content on desktop computers, tablets, and mobile phones.
Read more about Ernest Bruce

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Responding to user interactions with the payment sheet

After identifying the main actors and operations involved in the payment authorization workflow and with a single method to compute payment summary items, we are ready to delve into your responses to payment sheet messages initiated by the changes the user makes to shipping information.

Note that the correct functionality of the payment sheet is essential to the payment authorization workflow; in particular, the payment sheet must call its delegate methods consistently so that you can correctly gauge when these methods are called as a result of user interaction with the payment sheet. If you use iOS simulators to test your code and notice that the payment sheet delegate methods are not being called, quit and restart the Simulator app.

User changes shipping information

When the user changes the shipping address or contact, your payment sheet delegate receives the paymentAuthorizationViewController:didSelectShippingContact:completion: message...

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Apple Pay Essentials
Published in: Feb 2016Publisher: ISBN-13: 9781785886386
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Ernest Bruce

Ernest Bruce is an accomplished technical writer and software engineer. He has worked for 13 years at Apple, Inc., where he held the position of Senior Technical Writer writing developer documentation. At Apple, Ernest specialized in writing documentation for the Xcode toolset, focusing on the Xcode user guide, and Xcode overview, as well as unit testing documentation and sample code. He also worked extensively on API documentation for the OS X and iOS platforms. Ernest helped design and develop the Xcode help articles that aid developers in getting around the user interface of the Xcode app. Before his years at Apple, Ernest worked as a programmer for Ping, Inc., where he helped manage the manufacturing processes using APL (A Programming Language). Ernest also has extensive experience in customer service, which has been instrumental to him developing content that readers find clear and easy to read, and that makes complex concepts more approachable. Ernest is the head of Nerd Brawn, LLC, a software development company that focuses on developing platforms that help people learn about their environment and each other in innovative ways. The company is also working on new techniques to present content on desktop computers, tablets, and mobile phones.
Read more about Ernest Bruce

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