Book Image

Apple Pay Essentials

By : Ernest Bruce
Book Image

Apple Pay Essentials

By: Ernest Bruce

Overview of this book

Apple Pay, one of the most talked about offerings of the latest iOS 9 release, is a digital wallet and electronic payment system developed by Apple Inc. Paying in stores or within apps has never been easier or safer. Gone are the days of searching for your wallet, and the wasted moments finding the right card! Now you can use your credit cards and rewards cards with just a touch. It allows payment to merchants, using Near field Communication (NFC), and within iOS apps. Implementing Apple Pay within apps for payment is a bit tricky, but our book solves this problem for you. Whether you are a brand new iOS app developer or a seasoned expert, this book arms you with necessary skills to successfully implement Apple Pay in your online-payment workflow. Whether you are a brand new iOS app developer or a seasoned expert, this book arms you with the necessary skills to successfully implement Apple Pay. We start off by teaching you how to obtain the certificates necessary to encrypt customers’ payment information. We will use Xcode and Objective C for the interface and Node.js for server side code. You will then learn how to determine whether the customer can use Apple Pay, and how to create payment requests. You will come to grips with designing a payment-processor program to interact with the payment gateway. Finally, we take a look at a business-focused view of Apple Pay protocols and classes. By the end of this book, you will be able to build a fully functional Apple Pay-integrated iOS app
Table of Contents (13 chapters)

Chapter 3. Payment Authorization Workflow

The payment sheet is the most important user-facing aspect of the Apple Pay experience. Also, this is where the user should spend the least amount of time. Your app convinced the user to purchase the product. The payment sheet is where you will take the user from desire to acquire in as few taps as possible, two taps being the ideal.

In the previous chapter, you learned how to present information in the payment sheet, including a list of the shipping methods you can make available to your customers, and the total price of the order. With the payment sheet up, the user can change the shipping type (from delivery to store pickup, for example), the shipping address, and the payment method (the payment card that will be used to fund the transaction). For each change the user makes, you must update the payment request's summary items to reflect it. For example, when the user changes the shipping method, you must update the summary item that displays the...