ios Archives - Page 2 of 52

ios, Programming

IT Nursery

Handling applicationDidBecomeActive – “How can a view controller respond to the app becoming Active?”

I have the UIApplicationDelegate protocol in my main AppDelegate.m class, with the applicationDidBecomeActive method defined. I want to call a method when the ...

June 3, 2022
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ios, Programming

IT Nursery

Warning :-Presenting view controllers on detached view controllers is discouraged

In my app, I am using a navigation controller. Later on in some view I am using presentViewController for showing a zoomed image. ...

June 3, 2022
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ios, Programming

IT Nursery

How can I load storyboard programmatically from class?

My problem is that I was looking for way to use both storyboard and xib. But I can’t find proper way to load ...

June 3, 2022
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ios, Programming

IT Nursery

How to customize the background color of a UITableViewCell?

I would like to customize the background (and maybe the border too) of all of the UITableViewCells within my UITableView. So far I ...

June 3, 2022
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ios, Programming

IT Nursery

Validation Error: Invalid Bundle. The bundle at … contains disallowed file ‘Frameworks’

I’m trying to submit an app with the Xcode 6 GM, and I get this error on validation. The app has an action ...

June 3, 2022
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ios, Programming

IT Nursery

Create space at the beginning of a UITextField

I want to leave a bit of space at the beginning of a UITextField, just like here: Add lefthand margin to UITextField But ...

June 3, 2022
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ios, Programming

IT Nursery

iOS: Multi-line UILabel in Auto Layout

I’m having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB: The ...

June 3, 2022
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ios, Programming

IT Nursery

What’s the best practice for naming Swift files that add extensions to existing objects?

It’s possible to add extensions to existing Swift object types using extensions, as described in the language specification. As a result, it’s possible ...

June 3, 2022
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ios, Programming

IT Nursery

Table Header Views in StoryBoards

Is there a way to insert a Table Header View (tableHeaderView) in StoryBoard (like we used to do in Interface Builder)? 3 Answers ...

June 3, 2022
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ios, Programming

IT Nursery

What is the right way to check for a null string in Objective-C?

I was using this in my iPhone app if (title == nil) { // do something } but it throws some exception, and ...

June 2, 2022
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