We have a popup but how do we save the data entered into the modal popup? And when the popup closes, how do we know to reload the data in the table view to show the new data?
In this video you will learn how to do each of these things. You will learn what a callback is in iOS and the 2 steps to implement them. You will also learn how to define a function type in Swift and assign a value (or a function) to it.
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