objective-c Archives - Page 8 of 11

How do I add 1 day to an NSDate?

Basically, as the title says. I’m wondering how I could add 1 day to an NSDate. So if it were: 21st February 2011 ...

May 11, 2022
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Get the current first responder without using a private API

I submitted my app a little over a week ago and got the dreaded rejection email today. It tells me that my app ...

May 11, 2022
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Best way to define private methods for a class in Objective-C

I just started programming Objective-C and, having a background in Java, wonder how people writing Objective-C programs deal with private methods. I understand ...

May 11, 2022
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How can I reverse a NSArray in Objective-C?

I need to reverse my NSArray. As an example: [1,2,3,4,5] must become:...

May 11, 2022
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“sending ‘const NSString ’ to parameter of type ‘NSString ’ discards qualifiers” warning

I have Constants NSString, that I want to call like:...

May 11, 2022
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How to write iOS app purely in C

I read here Learn C Before Objective-C? Usually I then replace some Obj-C code with pure C code (after all you can mix ...

May 10, 2022
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How to sort a NSArray alphabetically?

How can I sort an array filled with...

May 9, 2022
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Easy way to dismiss keyboard?

I have quite a few controls scattered throughout many table cells in my table, and I was wondering if there’s an easier way ...

May 9, 2022
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How do I convert NSMutableArray to NSArray?

How do I convert NSMutableArray to NSArray in objective-c? 9 Answers 9

May 9, 2022
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Assign a variable inside a Block to a variable outside a Block

I’m getting an error Variable is not assignable (missing __block type specifier) on the line aPerson = participant;. How can I make sure ...

May 8, 2022
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