Changes

Launch Xcode and select the option to create a new Xcode project. On the template selection screen, select the iMessage Application option as illustrated in Figure 89 -1 below and click on the Next button:

Select the first button in the top row and then hold down the shift key while selecting the remaing two buttons in that row. With all three buttons selected, click on the Stack View button (highlighted in Figure 89 -8) to add the buttons to a horizontal UIStackView instance: