objective-c Archives - Page 7 of 11

UIView frame, bounds and center

I would like to know how to use these properties in the right manner. As I understand, frame can be used from the ...

May 14, 2022
0 Comments

Replacement for deprecated sizeWithFont: in iOS 7?

In iOS 7, sizeWithFont: is now deprecated. How do I now pass in the UIFont object into the replacement method sizeWithAttributes:? 20 Answers ...

May 14, 2022
0 Comments

What is the best way to unit test Objective-C code?

What frameworks exist to unit test Objective-C code? I would like a framework that integrates nicely with Apple Xcode. 17 Answers 17

May 14, 2022
0 Comments

What should my Objective-C singleton look like? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 13, 2022
0 Comments

NSString property: copy or retain?

Let’s say I have a class called SomeClass with a string property name: @interface SomeClass : NSObject { NSString* name; } @property (nonatomic, ...

May 13, 2022
0 Comments

Hidden Features of Xcode

Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new ...

May 13, 2022
0 Comments

How do I use NSTimer?

Locked. This question and its answers are locked because the question is off-topic but has historical significance. It is not currently accepting new ...

May 12, 2022
0 Comments

How to scale a UIImageView proportionally?

I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width. UIImage *image ...

May 12, 2022
0 Comments

Use of alloc init instead of new

Learning Objective-C and reading sample code, I notice that objects are usually created using this method: SomeObject *myObject = [...

May 12, 2022
0 Comments

Difference between objectForKey and valueForKey?

What is the difference between objectForKey and valueForKey? I looked both up in the documentation and they seemed the same to me. 6 ...

May 11, 2022
0 Comments