objective-c Archives - Page 28 of 28

How can I disable ARC for a single file in a project?

I am using ARC successfully in my project. However, I have encountered a few files (e.g., in unit tests and mock objects) where ...

April 13, 2022
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Passing data between view controllers

I’m new to iOS and Objective-C and the whole MVC paradigm and I’m stuck with the following: I have a view that acts ...

April 13, 2022
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How can I make a UITextField move up when the keyboard is present – on starting to edit?

With the iOS SDK: I have a UIView with UITextFields that bring up a keyboard. I need it to be able to: Allow ...

April 11, 2022
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What’s the difference between the atomic and nonatomic attributes?

What do atomic and nonatomic mean in property declarations? @property(nonatomic, retain) UITextField *userName; @property(atomic, retain) UITextField *userName; @property(retain) UITextField *userName; What is the ...

April 10, 2022
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