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Favorite (Clever) Defensive Programming Best Practices [closed]
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I wrote this on my iPhone, where I can't select text. If somebody could mark my code as code, it would be really appreciated. Thanks.
– John MacIntyre
Jan 29 '09 at 4:23
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What is the right way to check for a null string in Objective-C?
I was using this in my iPhone app
20 Answers
20
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How to detect orientation change?
...terface orientation:
Use the status bar orientation
Use size classes, on iPhone if they are not overridden they could give you a way to understand the current interface orientation
What is still missing is a way to understand the direction of a change of interface orientation, that is very i...
how to implement a pop up dialog box in iOS
...available on the iPad, but starting with iOS 8 you can also get them on an iPhone (see here, here, and here).
See also
View Controllers: Popovers
Notifications
Notifications are sounds/vibrations, alerts/banners, or badges that notify the user of something even when the app is not running in the ...
NSUserDefaults - How to tell if a key exists
I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple.
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presentModalViewController:Animated is deprecated in ios6
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Not the answer you're looking for? Browse other questions tagged iphone objective-c uiimage uiimagepickercontroller or ask your own question.
Is it possible to change a UIButtons background color?
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I just did a short google query for "iphone drawrect round corners" and found this: iphonedevelopment.blogspot.com/2008/11/… Check the drawrect method for an example how to draw a round rect. You can use CGContextSetFillColorWithColor and CGContextFillPath to...
WKWebView not loading local files under iOS 8
...n doesn't work on the version of iOS my device was running 8.0 (12A366) on iPhone 6 Plus. I tried it on a device (iPad Mini) running iOS 8.0.2 and it works fine.
– jvoll
Aug 7 '15 at 21:31
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how do I use UIScrollView in Interface Builder?
...ue to {320, 920} will let the user scroll down a whole extra screen on the iPhone.
(I am using xcode 4.3.3, the project's iOS Deployment Target is 5.1)
When I first did this I received the following error:
Illegal Configuration:
Size type user defined runtime attributes with Xcode...
How can I add CGPoint objects to an NSArray the easy way?
...e answer you're looking for? Browse other questions tagged ios objective-c iphone cocoa-touch uikit or ask your own question.