61
votes
18
answers
2K
views
UITableViewCell, show delete button on swipe
How do I get the delete button to show when swiping on a UITableViewCell? The event is never raised and the de
56
votes
21
answers
339
views
Giving UIView rounded corners
My login view has a subview which has a UIActivityView and a UILabel saying "Signing In…". This subview has
60
votes
9
answers
1.6K
views
What does the NS prefix mean?
Many classes in Cocoa/Cocoa Touch have the NS prefix. What does it mean?
59
votes
30
answers
1.1K
views
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
Just started using Xcode 4.5 and I got this error in the console: Warning: Attempt to present < finishV
53
votes
30
answers
736
views
Placeholder in UITextView
My application uses an UITextView. Now I want the UITextView to have a placeholder similar to the one you can
62
votes
30
answers
2.3K
views
Eliminate extra separators below UITableView
When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below th
57
votes
19
answers
2.3K
views
How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them. But how do I create them?
50
votes
30
answers
2.5K
views
Loaded nib but the 'view' outlet was not set
I added a new nib file to my project, and tried to load it. However, when I click on the toolbar icon that is
48
votes
30
answers
1.5K
views
Can I embed a custom font in an iPhone application?
I would like to have an app include a custom font for rendering text, load it, and then use it with standard U
61
votes
14
answers
1.3K
views
Constants in Objective-C
I'm developing a Cocoa application, and I'm using constant NSStrings as ways to store key names for
61
votes
30
answers
2K
views
How can I disable the UITableView selection?
When you tap a row in a UITableView, the row is highlighted and selected. Is it possible to disable this so ta
43
votes
30
answers
2.8K
views
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?
I'm trying to link a UILabel with an IBOutlet created in my class. My application is crashing with the f
61
votes
27
answers
1.6K
views
How do I sort an NSMutableArray with custom objects in it?
What I want to do seems pretty simple, but I can't find any answers on the web. I have an NSMutableArray
51
votes
30
answers
2.7K
views
How can I check for an active Internet connection on iOS or macOS?
I would like to check to see if I have an Internet connection on iOS using the Cocoa Touch libraries or on mac
67
votes
30
answers
439
views
Vertically align text to top within a UILabel
I have a UILabel with space for two lines of text. Sometimes, when the text is too short, this text is display
57
votes
18
answers
347
views
Updating to latest version of CocoaPods?
I'm having some issues installing Alamofire 4.0 into my project. I've got the latest version of Xcod
56
votes
30
answers
3.1K
views
How would I create a UIAlertView in Swift?
I have been working to create a UIAlertView in Swift, but for some reason I can't get the statement right
