Recent questions tagged Swift

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swift - SwiftUI - Custom Swipe Actions In List

How can I use custom Swipe Actions in SwiftUI? I tried to use the UIKit Framework to get these working in SwiftUI. ... perform: delete) } } } } See Question&Answers more detail:os...

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

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598 views

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swift - How to get bytes out of an UnsafeMutableRawPointer?

How does one access bytes (or Int16's, floats, etc.) out of memory pointed to by an UnsafeMutableRawPointer (new in ... C API (Core Audio, etc.) See Question&Answers more detail:os...

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

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640 views

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swift - ScrollView + NavigationView animation glitch SwiftUI

I've got a simple view: var body: some View { NavigationView { ScrollView { VStack { ForEach(0..<2) { _ in ... it? Xcode 12.0.1, Swift 5 See Question&Answers more detail:os...

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

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659 views

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swift - Increase the size of the indicator in UIPageViewController's UIPageControl

Is it possible to Increase the size of the indicator in UIPageViewController? I have this: And my requirement is 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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725 views

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swift - Xcode: Using custom fonts inside Dynamic framework

I added custom font to a framework. I followed all the steps, but it doesn't work. I am able to set ... show this font on the simulator/device. See Question&Answers more detail:os...

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

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629 views

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swift - iOS and FirebaseCrashlytics

I am trying to follow the instructions on Firebase Docs to upload missing required dSYMs. However I am stuck on ... how to resolve this issue? See Question&Answers more detail:os...

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

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586 views

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swift - How to create a vertical scrolling menu in spritekit?

I'm looking to create a shop in my game (In SpriteKit) with buttons and images, but I need the items to be ... how I can do this in SpriteKit? See Question&Answers more detail:os...

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

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438 views

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swift - Local and Push Notifications in IOS version compatible

I developed local Notifications in iOS 10. It is working perfectly. But now how should i code local notifications and ... : nil) } } } See Question&Answers more detail:os...

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

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468 views

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swift - Push Notifications not being received on iOS 10, but working on iOS 9 and before

I have several apps that were written in Swift 2.2, compiled with Xcode 7.3 and is live on the App Store. ... Xcode 8 with some "new" settings? See Question&Answers more detail:os...

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

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756 views

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swift - Xcode 8 does full project rebuild

Having updated Swift + ObjC project to Xcode 8 (Swift 2.3) I found 50% or more of the time Xcode does ... . Has anyone else encountered 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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572 views

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swift - How can I switch views programmatically in a view controller? (Xcode, iPhone)

Have been struggling with this for a while, and can never seem to get a direct answer. 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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swift - Alternative to switch statement in SwiftUI ViewBuilder block?

?? 23 June 2020 Edit: From Xcode 12, both switch and if let statements will be supported in the ViewBuilder ... I can replicate this behaviour? See Question&Answers more detail:os...

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

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1.0k views

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swift - Difference between SceneDelegate and AppDelegate

In my SwiftUI project I see AppDelegate file as well as a SceneDelegate file. What are the ... application(_:didFinishLaunchingWithOptions:) See Question&Answers more detail:os...

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

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478 views

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swift - NSFetchedResultsContollerDelegate for CollectionView

I'd like to use the NSFetchedResultsControllerRelegate in a CollectionViewController. Therefore I just changed the method ... solve this issue? See Question&Answers more detail:os...

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

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1.1k views

1 answer

swift - Swap rootViewController with animation?

Im trying to swap to another root view controller with a tab bar; via app delegate, and I want to ... swapped to another rootview controller. See Question&Answers more detail:os...

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

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573 views

1 answer

swift - iOS 11 safe area layout guide backwards compatibility

Is enabling Safe Area Layout Guides compatible to iOS below 11? See Question&Answers more detail:os...

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

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942 views

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swift - How to set UICollectionViewCell Width and Height programmatically

I am trying to implement a CollectionView. When I am using Autolayout, my cells won't change the size, but ... possible? Any ideas on 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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778 views

1 answer

swift - Changing tab bar item image and text color iOS

Here is my tab bar: The following image shows the program being run and the "NEWS" item selected: It is ... for each individual item? EDIT: See Question&Answers more detail:os...

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

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800 views

1 answer

swift - SwiftUI: How to implement a custom init with @Binding variables

I'm working on a money input screen and need to implement a custom init to set a state variable based on the initialized ... -amount > 0 } ... } See Question&Answers more detail:os...

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

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628 views

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swift - Use Cocoapods with an App Extension

I'm trying to build a photo App Extension in Xcode 6 Beta-6 that uses cocoapods libraries. The bridging ... is specific to app extensions. See Question&Answers more detail:os...

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

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666 views

1 answer

swift - UITableViewCell: rounded corners and shadow

I'm changing the width of a UITableViewCell so that the cell is smaller but the user can still scroll along the ... : Trying R Moyer's answer See Question&Answers more detail:os...

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

0 votes

755 views

1 answer

swift - NavigationBar bar, tint, and title text color in iOS 8

The background text in the status bar is still black. How do I change the color to white? // ... : UIColor.orangeColor()] } See Question&Answers more detail:os...

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

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746 views

1 answer

swift - iOS - OR query in Firebase

I want to get all threads where status is member or owner I know how to get for either one reference.queryOrdered ... how to make OR query call? See Question&Answers more detail:os...

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

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779 views

1 answer

swift - Swift5 MacOS ImageResize memory issue

I am new to Mac OS App Development with Swift. But I tried to make the simple ImageResizer app. I have to resize ... } catch { return false } } See Question&Answers more detail:os...

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

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866 views

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swift - What is build object file extension in iOS?

When I build java object class in a project, build file will be created with .class extension and human unreadable; What ... --> build --> ? See Question&Answers more detail:os...

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

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793 views

1 answer

swift - println dictionary has "Optional"

Consider this snippet: let interestingNumbers = [ "Prime": [2, 3, 5, 7, 11, 13], "Fibonacci": [1, 1, ... an "Optional" in the dictionary case? See Question&Answers more detail:os...

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

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681 views

1 answer

swift - NSFontAttributedString worked before XCode 6.1

let timeFont = [NSFontAttributeName:UIFont(name: "Voyage", size: 20.0)] var attrString3 = NSAttributedString("(Time)" ... tried doesn't' work. See Question&Answers more detail:os...

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

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704 views

1 answer

swift - 'Fatal error: index out of range' when deleting bound object in view

I am having some trouble avoiding index out of range errors when modifying an array that a child view depends on a ... [WorkoutExercise] = [] } See Question&Answers more detail:os...

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

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