Recent questions tagged iOS

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ios - SudzC ARC version - objc_msgSend call causes EXC_BAD_ACCESS using 64-bit architecture

Edit - I've tracked the below issue to a 64-bit vs 32-bit architecture issue... see my posted answer ... except in rare circumstances? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Saving CoreData to-many relationships in Swift

I have a one-to-many relationship that looks like so, I've set up my model classes in a file to match: ... board and list.) Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to share image in instagram?Swift

Sorry for the question without a code.But i didn't find anywhere to look for. I want to share image with ... that? Any help would be great See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Push notifications that trigger a background refresh before showing the push notification VS silent push

I want to implement background refresh functionality in my app for when a push is received. Just before the push ... All seems very hacky... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Using custom fonts in interface builder

I've searched this site but I just found unanswered questions. I've loaded a custom font into my xcode project. A [ ... its ok to use the font? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to set UIViewController "extend edges" properties

I see the following selections in Storyboard for extending the edges of a UIViewController's view under ... ViewController in Storyboard. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Present a view controller, dismiss it and present a different one in Swift

So I have a root view controller that has a button that when the user pushes it, another view controller is ... is not in the window hierarchy! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to get visible viewController from app delegate when using storyboard?

I have some viewControllers, and I don't use NavigationController. How can I get visible view controller in app delegate ... it's the wrong way. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift regex: does a string match a pattern?

In Swift, what is a simple way to see if a string matches a pattern? Pseudocode examples: if string matches ... with the match result data.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to get indexpath in prepareForSegue

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([segue.identifier isEqualToString:@"Action"] ... row. please help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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ios - NSURLSession "HTTP load failed kCFStreamErrorDomainSSL, -9813 ; Self signing certificate

I'm trying to connect my iOS app to an HTTPS Rails app which is currently run on a local host in my network. ... . Any ideas how to fix this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How can I rotate an UIImageView by 20 degrees?

What do I have to do, if I need to rotate a UIImageView? I have a UIImage which I want to rotate by ... methods or functions to achieve that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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ios - How can I pop specific View Controller in Swift

I used the Objective-C code below to pop a specific ViewController. for (UIViewController *controller in self. ... do that in Swift? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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ios - Cannot create outlet connections to subviews in Interface Builder (Xcode 5)

I know this appears to be a duplicate of some other questions, but the answers are not working for me. I ... for the subview's label. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

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ios - SwiftUI: unwanted split view on iPad

Problem: a view on Pad shows up with unwanted split view. My current setup is: Catalina OSX beta 5 + Xcode 11 ... (not split screen) on iPad? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

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ios - Hide dots from UIPageViewController

I would like to do to a pretty simple thing. Just remove all the dots, and the bar on the bottom of the ... on how do I remove the dots? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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236 views

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ios - What's ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES with CocoaPods, Swift 3 and Xcode 8

after installing cocoapods and adding pod "SwiftCarousel" to pod file and uncomment the platform :ios, '9. ... with the CocoaPods installation See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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198 views

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ios - Text color based on background image

My view has a background image with a text label overlay What's the best/good dynamic way to determine text color ... dark or light) Thanks :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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217 views

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ios - Implementing auto layout for views generated programmatically

I have an app whose views are generated programmatically. Example: -(void)loadView { [super loadView]; // SET TOP ... of using IB? Thanks much! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

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ios - Still not optimized for iPhone 6 and iPhone 6 Plus

I have an app that just went live and it's still not saying "Optimized for iPhone 6 and iPhone 6 Plus" I ... Connect. What am I missing now? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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ios - How to Delete Derived Data and Clean Project in Xcode 5 and later?

Is there a procedure I can follow that includes running a script in the terminal, to delete all the files under ... saves time with a script. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

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ios - SubView slide in animation, iphone

I have a UIview Containing two UIButtons. -(void)ViewDidLoad { geopointView = [[UIView alloc] initWithFrame:CGRectMake ... any help in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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402 views

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ios - UIViewController prevent view from unloading

When my iPhone app receives a memory warning the views of UIViewControllers that are not currently visible get unloaded ... ! so many questions! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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204 views

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ios - Making video from UIImage array with different transition animations

I am following this code to create Video from an UIImage Array. While transitioning from one image to ... offers only Crossfade transition . See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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273 views

1 answer

ios - iPhone collecting CoreMotion data in the background. (longer than 10 mins)

I am trying to collect coreMotion acceleration data in the background for longer than 10 minutes. This must be possible since ... (1); } }); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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200 views

1 answer

ios - Drop cap with NSAttributedString

I would like to do a drop cap first character in a UILabel using the attributedText NSAttributedString property only ... myself using Core Text? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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247 views

1 answer

ios - Run repeating NSTimer with GCD?

I was wondering why when you create a repeating timer in a GCD block it doesen't work? This works fine: -(void) ... )runTimer{ NSLog(@"hi"); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

1 answer

ios - How to zoom a UIScrollView inside of a UICollectionViewCell?

I'm trying to add a UIScrollView inside of a UICollectionViewCell. The idea is that you can use pinch ... com/krummler/gallery-pinchzoom-example See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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