Recent questions tagged IOS

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I have a project made using Xcode 5. I have a ViewController where i take the phone location using a ... device). Any ideas? 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 - How to convert date like /Date(1440156888750-0700)/ to something that Swift can handle?

so in my app, I need to deal with date like /Date(1440156888750-0700)/, i think the first part stands for ... in Xcode 7 using Swift 2? 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 - SwiftUI: Deleting last row in ForEach

I am trying to remove rows inside a ForEach. Removing the last row always throws an index out of range ... there is a better approach. 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 - Replace occurrences of NSNull in nested NSDictionary

This question is similar to this question, however this method only works on the root level of the dictionary. ... everytime the feed changes). 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 - Perform a deeplink from SwiftUI widget on tap

I have a simple widget (medium-sized) with two texts, and what I want is to be able to perform a deep link to ... !) but it doesn't work either. See Question&Answers more detail:os...

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

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527 views

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ios - MKMapView show incorrectly saved region

I'm saving map region into user defaults when my iPhone app is closing like this: MKCoordinateRegion region = ... know why this happens? 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 force-unwrapping exception not propagated

I've run into this silly behaviour in swift where force-unwrapping an optional does not propagate. From the ... . Is this by design? 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 - Get the frame of UIBarButtonItem in Swift?

how could I get the frame of a rightbarbuttonItem in swift? I found this : UIBarButtonItem: How can I find ... with a fadeOut effect. 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 - +entityForName: nil is not a legal NSManagedObjectContext parameter searching for entity name 'Account''

I have tried a lot of options, but can't find the solution for this problem. I created a Core Data file ... } @end Any help appreciated. 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 - How to convert an Int to a Character in Swift

I've struggled and failed for over ten minutes here and I give in. I need to convert an Int to a Character ... //just trying to illustrate! :) See Question&Answers more detail:os...

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

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670 views

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ios - How do i keep UISwitch state when changing ViewControllers?

When I move from one view controller to another, the switch on the first controller resets itself and does not retain ... your time and help :) 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 - Confused about Orthographic Projection of camera in SceneKit

I want to use orthographic projection to display 3D scene in my app. In my code I put a box in scene and ... of scene. Any help is appreciated! See Question&Answers more detail:os...

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

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465 views

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ios - My Swift 4 UIScrollView with autolayout constraints is not scrolling

I have created a small demo playground to get this working before adding the view to my app. ... .current.liveView = filterViewController See Question&Answers more detail:os...

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

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550 views

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ios - Xcode Version 6.1 (6A1030) - Apple Mach O-Linker Error - Building

I upgraded my Xcode to the latest version: Version 6.1 (6A1030). I use Swift language ... ", referenced from: See Question&Answers more detail:os...

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

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441 views

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ios - Images not showing up when architecture set to 64 bit

For transitioning my app to 64-bit, I changed the Architectures build setting to: ARCHS = "$( ... it happen? any clues? See Question&Answers more detail:os...

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

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561 views

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ios - Create and perform segue without storyboards

i got an app without storyboards, all UI creation is made in code and I got a splitView which I would make it ... , so thanks for his help :) See Question&Answers more detail:os...

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

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457 views

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ios - Swift / How to use dispatch_group with multiple called web service?

I am using dispatch_group to call Firebase requesting functions and get notified once the request is complete to be ... answer capable for both. See Question&Answers more detail:os...

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

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652 views

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ios - Multiline Navigationbar Title

I am trying to set the title label in my navigation bar to allow multiple lines. I have custom navigation ... label from using multiple lines? See Question&Answers more detail:os...

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

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579 views

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ios - Firebase limit on the number of observers/listeners

In Firebase, we can add an observer in iOS using something like observeEventType:withBlock:. Is there a limit on ... attached from one client ? See Question&Answers more detail:os...

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

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505 views

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ios - UItableViewCell imageview changing on select

I am loading in a list of facebook users using webcache and it works fantastically. Until you select one of ... ; [_indexPath retain]; } See Question&Answers more detail:os...

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

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547 views

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ios - Memory leak every time UIScrollView is released

In my app I have a scroll view and four table views. Each time one is dragged and then released, I get a ... get this information for the leak: See Question&Answers more detail:os...

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

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490 views

1 answer

ios - UIView animations canceling any touch input?

I have a UIScrollView here where I'm adding displaying a label in the middle of the screen when the user ... user interaction on the scrollview? See Question&Answers more detail:os...

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

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565 views

1 answer

ios - Button action in mkannotation view not working?

Hello i have stuck in one situation on map where i have managed to show custom annotation. When the annotation ... like this 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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477 views

1 answer

ios - Undefined symbols for architecture i386: "_OBJC_CLASS_$_ZipException", referenced from: error

I'm using a few '.o' files in my project and while compiling it shows the following error, error: ... linking something? 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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391 views

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ios - SBStatusBarController instance

Could somebody help me with small sample how to get SBStatusBarController instance? I took a look at many forums and ... for me :( Thank you. See Question&Answers more detail:os...

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

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451 views

1 answer

ios - Dismissing both UINavigation views and Modal views at once programmatically

I have tried a few answers on this site, but none of them seem to relate to my problem I have a MasterDetail ... would like to dismiss all VC } See Question&Answers more detail:os...

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

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599 views

1 answer

ios - Download and cache images in UITableViewCell

Note: Please no libraries. This is important for me to learn. Also, there are a variety of answers on this but ... } return cell } Any thoughts? See Question&Answers more detail:os...

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

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474 views

1 answer

ios - Swift: retrieving text from a UITextField in a custom UITableViewCell and putting it in an array

I'm making a very simple app where the user enters the number of people in the first Screen. In the second ... .nameInput.placeholder = name } } See Question&Answers more detail:os...

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

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