Editing the Year
Make and model are both text-based. You could use text for the year and only show a numeric text keyboard. But that does not help you make sure the user is entering a four-digit year that is within a particular range of years. Instead, you can create a picker-based edit view that is specific to Gregorian dates. (You can even internationalize the picker if you’d like to explore that.)
UIPickerView lets you present longer lists of individual choices or even several side-by-side lists. One place you can find pickers is when you set dates and times for Calendar appointments. Those use the UIDatePicker subclass.
A picker looks like a slot machine with rotors and a number of positions on each rotor. You specify the number of rotors ...
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