Add Navigation Controller for the Date Screen
The Birthday on the Contacts screen is changed by tapping the Change button, which will cause a new screen to appear where the date can be chosen. This illustrates several new elements, including the use of the DatePicker control and the use of the Navigation Controller to move between related screens in the app. It takes a little work to get this set up, so be careful as you go through these steps.
A Navigation Controller is a special control that allows users to drill down through several screens and then return the way they came by tapping a button in the top left of the screen to navigate back to the previous screen. In MyContactList, you implement this by adding a Navigation Controller to the ...
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