7. Picker Views
In the middle of difficulty lies opportunity.
Albert Einstein
In Chapter 6, “Views,” you started building the Item view as the concept of passing managed objects around the application was demonstrated. Its primary focus introduced text fields as a means to edit managed objects. This chapter will explain how to create special text fields that have a Core Data–driven UIPickerView as the input view. The purpose of a picker text field is to make selecting from predefined values, such as a shop aisle, as easy and fast as possible.
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