iOS Guide
BEST COLLECTION OF IOS INTERVIEW QUESTIONS WITH ANSWERS.
Monday, December 28, 2015
Responder Chain and First Responder
A ResponderChain is a hierarchy of objects that have the opportunity to respond to events received.
The first object in the ResponderChain is called the FirstResponder.
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Object Oriented Programming (OOP)
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Delegate methods: UIPickerView
Providing Counts for the Picker View – numberOfComponentsInPickerView: – pickerView:numberOfRowsInComponent: Delegate - Setting the Dim...