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Questions tagged [ios8]

iOS 8 is the eighth version of Apple's iOS mobile operating system. It was announced at the company's Apple Worldwide Developers Conference (WWDC) on June 2, 2014 and was released to the public on September 17, 2014. The ios8 tag should be used for questions specific to Apple's iOS 8 operating system. General iOS questions should use the ios tag.

The biggest developer release yet with more than 4,000 new APIs. (See iOS 8 API Differences) iOS 8 allows developers to further customize the user experience with major extensibility features additions:

  • Notification Center widgets
  • Third-party keyboards
  • App extensions

This release also introduces robust frameworks such as:

  • HealthKit
  • HomeKit
  • LocalAuthentication
  • Photos
  • CloudKit

iOS 8 also includes Metal, a new graphics technology that maximizes the performance of the A7 chip with 10x performance and Swift, a powerful new programming language. SceneKit framework is introduced to build apps with 3D graphics and with high performance. Unified storyboard makes it easier to develop the interface for both iPhone and iPad with orientation and different screen size as well.

iOS and OS X introduces a new feature Handoff that extends the user experience of continuity across devices. Handoff enables users to begin an activity on one device, then switch to another device and resume the same activity on the other device.

Compatibility

iOS 8 supports the following devices:

  • Phone 4S
  • iPhone 5
  • iPhone 5S
  • iPhone 5C
  • iPhone 6
  • iPhone 6 Plus
  • iPhone 6S
  • iPhone 6S Plus
  • iPad 2
  • iPad 3
  • iPad 4
  • iPad Air
  • iPad Mini
  • iPad Mini 2
  • iPad Mini 3
  • iPad Mini 4
  • iPod Touch 5G

iOS 8 Latest Version

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"Could not instantiate class named UIStoryboardShowSegueTemplate" - how can I make a Storyboard happy with iOS 7 and iOS 8?

I created a project in Xcode6, beta 6 or so (upgraded to b7 today). Using Swift, been developing for the iOS 8 SDK, etc. The Storyboard, so far, has two View Controllers, and a segue between the two set up as "Show" (it's not triggered by a button…
Tom Kidd
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iOS 8 iCloud container change

I have a couple of questions regarding iCloud in iOS8. I am going through my developer profile and the iCloud container that was associated with my profile has been changed from my ${TeamIdentifer}{Bundle Name} to iCloud.{Bundle Name} . Currently,…
Max
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Cannot dismiss email sheet invoked from UIDocumentInteractionController in iOS 8

I've got a very simple test app which contains nothing but the following code, attached to a UIButton: - (IBAction)buttonUp:(id)sender { // Build file path NSString* filePath = [[NSBundle mainBundle] pathForResource:@"testfile" …
Rich
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Getting the location of a PHAsset in Swift

For some reason the location property on a PHAsset is only exposed in Objective-c and not in Swift. Documentation: PHAsset.location To work around it, I figured I could create a Objective-C class whose sole purpose is to extract the location and…
Linus Unnebäck
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IBDesignable and UITableViewCell

I'm trying to leverage IBDesignable features of Swift in XCode 6 to create a subclass of UITableViewCell I see in the WWDC demo, and on the web - that you can use a framework to create a subclass of a view (UIView) which can then be used in say, a…
Daniel D
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HomeKit throws Error 77 & 78

Every time I make a call to HomeKit on my iPod Touch 5th gen, I consistently get this error: Printing description of error: Error Domain=HMErrorDomain Code=78 "The operation couldn’t be completed. (HMErrorDomain error 78.)" This is on a call to…
Undo
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How to size the view of a Sharing extension view controller that is not a subclass of SLComposeServiceViewController?

I'm trying to make a sharing app extension to handle URLs from Safari. The XCode project template provides a ViewController that is a subclass of SLComposeServiceViewController. My problem is that my extension is not going to fit into the "standard"…
Dhiraj Gupta
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Why iOS8 SSL requests fail intermittently after migration from iOS7?

I have an iOS app, which works fine on iOS7. Now we are testing it on iOS8, and when running under iOS8, we have SSL issues. Some (but not all) SSL requests fail. All requests are against the same server, with a SSL certificate that is valid, and…
driis
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iOS 8 - AutoLayout issue - UIImageView inside UITableViewCell ignoring width constraints

I have a problem with iOS 8 autolayout. I want to have a custom UITableviewCell with a UILabel and 5 UIImageView. I want the images to be shown in landscape-mode but not in portrait mode, because then the UILabel would be squeezed to narrow. I…
arcud
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Struct value types in Swift

I understand the difference between 'Value Types' and 'Reference Types'. I know 'Structures' are 'Value Types' and according to the Swift documentation all the values stored by the structure are themselves value types. Now my question is what if I…
Vik Singh
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iOS8 NSXMLParser crash

I had a crash in NSXMLParser * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'NSXMLParser does not support reentrant parsing.' Here is my code NSString *wrappedSnippet = [NSString…
CrimeZone
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SKLightNode performance issues

I've been experimenting with SKLightNode in SpriteKit (new in iOS8) and, even in a really simple test case, I've been getting terrible performance. For instance, with a single light source on a solid color SKSpriteNode I get 13.2 FPS on a 3rd…
Mike S
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Xcode 6 Beta UIWebView Cannot read .rtf

Console message: 2014-08-09 15:51:37.526 Agpeya[1306:29686] Cannot find data converter callback for uti public.rtf
johnny
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Animate Path Drawing in SpriteKit

I'm attempting to animate the drawing of a stroke on a path using SpriteKit. I have implemented a working solution using SKActions and a separate implementation using CABasicAnimations. The SKAction solution is not very elegant; it creates and…
Scott Mielcarski
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iOS 8 vs iOS 7 Autorotation

Here is a simple single view controller app : - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self.view.backgroundColor = [UIColor greenColor]; } -…
Deepak Sharma
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