The Core iOS Developer’s Cookbook, Fifth Edition

Recipe: Creating a Custom Input View

A custom input view replaces the keyboard with a view of your design whenever a text view or text field becomes first responder. You can add custom input views to nontext views as well as to text views. Recipe 6-4 focuses on the text scenario.

When you set a responder’s inputView property, the view that is assigned to that property replaces the system keyboard. The easiest way to demonstrate this feature is to create a colored view and assign it to the inputView property. Consider the following code snippet. It creates two text fields. The code assigns the second field’s inputView property to a basic UIView instance that has a purple background:

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// Create two standard text fields ...