Recent questions tagged swift

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Whenever I search in my app I get the correct results to display but when I tap on the cell I searched for it always ... .play() } } } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swift - Extending Collection with a recursive property/method that depends on the element type

In the context of this question, I though about how one could implement a property or method that counts ... request to the Swift bugtracker. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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swift - How to encrypt using AES GCM on iOS?

I need to encrypt/decrypt some data using AES encryption on GCM mode, but apparently this can't be done with the ... -C would be fine as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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745 views

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swift - How to deal with dynamic Sections and Rows in iOS UITableView

My issue When I deal with UITableView, I basically have an Array table_data with my sections and rows. [ { title ... of them looks ugly for me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swift - Invalid update: invalid number of items in section 0.

Recently I got the following error: Fatal Exception: NSInternalInconsistencyException Invalid update: invalid number of items ... ) Please help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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699 views

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swift - How to use an NSAttributedString with a ScrollView in SwiftUI?

I've been able to render NSAttributedStrings via UIViewRepresentable which works great until I wrap the view in a ... work in a ScrollView? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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760 views

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swift - How to configure DateFormatter to capture microseconds

iOS Date() returns date with at least microsecond precision. I checked this statement by calling Date(). ... 30T16:34:21.074981Z"? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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625 views

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swift - How to deal with completely dynamic JSON responses

Maybe someone in the community has had similar struggles and have come up with a workable solution. We're ... the current API. Thoughts? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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888 views

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swift - IOS Facebook SDK: login doesn't return email despite permissions granted

I'm trying to get information through the facebook sdk but so far I'm getting only the id and the name of the ... ; } User Name is: Kali Aney See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swift - Contextual type for closure argument list expects 1 argument, but 4 were specified

I upgraded to Xcode 7 and I am using Alamofire to manage API calls and I am getting this error: 'Contextual ... valid. Help is much appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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818 views

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swift - Is it correct to expect internal updates of a SwiftUI DynamicProperty property wrapper to trigger a view update?

I'm attempting to create a custom property wrapper supported by SwiftUI, meaning that changes to the ... in future SwiftUI releases? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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873 views

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swift - RxSwift merge different kind of Observables

How should I merge 2 different types of Observables in RxSwift? For example: var a: Observable<Int> var ... of type parameter difference. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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swift - Switching on a generic type?

Is it possible to switch on a generic type in Swift? Here's an example of what I mean: func doSomething<T>( ... on the type of the generic) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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679 views

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swift - How to convert PDF to PNG efficiently?

I have the following function to convert a PDF into a series of images (one image per page): import Quartz ... way to convert PDF to images? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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swift - Cross platform AES Encryption between iOS and Kotlin/Java using Apples CryptoKit

I want to send encrypted data form a server running a kotlin application to an iOS App using Apples CryptoKit. I have ... , 1, 68, 219, 250] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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492 views

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swift - Apple's description of reference and value types with multiple threads

I am reading from Apple's documentation. I thought I knew when to choose a value type and when to choose ... the difference in these two lines? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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754 views

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swift - cURL through NSTask not terminating if a pipe is present

I am trying to read the contents of a URL synchronously for a simple command-line batch script in Swift. I am ... that is causing cURL to fail. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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778 views

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swift - iOS 13 UITextView converting UITextView to image is not working properly. Working fine in below iOS 12

How to solve this issue in iOS 13? I am taking screenshot of UITextView content size..Till iOS 12 everything ... ://github.com/ibireme/YYText See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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856 views

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swift - How to use List type with Codable? (RealmSwift)

Problem is List type does not conform to Codable, the below class cannot be insert to Realm. for example, ... to resolve this issue? Thanks, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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swift - disable iOS simulator 'connect hardware keyboard' programmatically

I'm writing XCUITests for view has 2 UITextField and by defualt the simulator has hardware keyboard connected, ... would be really appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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swift - Only First Track Playing of AVMutableComposition()

New Edit Below I have already referenced AVMutableComposition - Only Playing First Track (Swift) but it is not providing ... (if it is doable). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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763 views

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swift - How to print a string from plist without "Optional"?

I load a value from a dictionary in a plist but when I print it to the console, it prints: Optional(Monday ... "Title") println(todayTitle) } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

1 answer

swift - CNCopyCurrentNetworkInfo with iOS 13

Apple changed some things regarding WiFi with iOS 13. If you want to use CNCopyCurrentNetworkInfo your app needs to ... . Thanks for your help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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swift - App Delegate Accessing Environment Object

I've got a variable (a label which describes a play) within a class that I need to pass around ... (chosenPlaylist: playlistName) } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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846 views

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swift - Lazy Loading Data in iOS Carplay

How to lazy load the items while the user scrolling in Carplay ? I am using beginLoadingChildItems from ... bottom of the page? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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791 views

1 answer

swift - Draw a hole in a rectangle with SpriteKit?

How to draw a hole in a rectangle? I want to draw a rectangle which has a empty hole inside it and the ... there any mistake I didn't mention? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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805 views

1 answer

swift - UISegmentedControl iOS 13 clear color

On iOS 12, to get a UISegmentedControl with clear border, clear divider line, everything clear was easy. All I ... 13, this seems impossible. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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621 views

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swift - SwiftUI set position to center of different view

I have two different views, one red rect and one black rect that is always positioned on the bottom of the screen. When I ... () } } } } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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