Recent questions tagged Swift

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I've got two buttons in a list, tho when tapping, the full area of the list item is highlighted. Is ... foregroundColor(.accentColor) } } } } 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 - How to convert UIColor to SwiftUI‘s Color

I want to use a UIColor as foregroundcolor for an object but I don't know how to convert UIColor to a ... : 5).foregroundColor(UIColor(myColor)) 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 - How can I use Combine to track UITextField changes in a UIViewRepresentable class?

I have created a custom text field and I'd like to take advantage of Combine. In order to be notified ... utilise Combine. Thanks in advance 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 - Firebase Storage downloadURL()' is deprecated: Use `StorageReference.downloadURLWithCompletion()

Normally I am updating image with url to firebase storage with: Storage.storage().reference().child("profile_images"). ... how to handle it now? See Question&Answers more detail:os...

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

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781 views

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swift - Generate Array of Unique Random Numbers within Inclusive Range

I am trying to write a function in Apple Swift (iOS) that will generate any given amount of unique random numbers ... want to keep it to that. See Question&Answers more detail:os...

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

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852 views

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swift - Conditional property in SwiftUI

How can I add an additional property based on a condition? With my code below I got the error Cannot assign value of type ' ... () { // ... } } 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 can you properly support the iOS 12 hour / 24 hour time override in Date & Time settings for DateFormatters?

If your iOS device is set to use a region that defaults to 12 hour time (e.g. United States) and you ... same default 24 hour time settings See Question&Answers more detail:os...

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

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751 views

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swift - protocol typed array can't be downcast to concrete type array

protocol P : class { var value:Int {get} } class X : P { var value = 0 init(_ value:Int) { self. ... think it has nothing to do with @objc. 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 - Present UIViewController as a modal with transparent background

I'm trying to present a viewcontroller with a transparent background on both iOS 7 and iOS ... github.com/pbassut/TransBackgroundViewController See Question&Answers more detail:os...

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

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837 views

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swift - Core Data file's Location iOS 10

I am trying to us SQLite Browsers to see my Core Data objects. I am not able to find where does the ... simulator) save its SQLite files on? See Question&Answers more detail:os...

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

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738 views

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swift - How to detect text (string) language in iOS?

For instance, given the following strings: let textEN = "The quick brown fox jumps over the lazy dog" let ... easy approach to achieve it? See Question&Answers more detail:os...

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

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637 views

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swift - What is the difference between HTTP parameters and HTTP headers?

I read this question but it didn't answer my question. To me Headers and Parameters are both dictionaries ... or build versions through headers 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 - How to change status bar style - iOS 12

I need to update status bar style on every view controller based on the background color (what UINavigationController ... 2, targeting iOS 12. See Question&Answers more detail:os...

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

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1.2k views

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swift - Core data: Failed to load model

I am new to core data. What I am trying to DO: I am trying to create a cocoatouch framework that ... !.popViewController(animated: true) } See Question&Answers more detail:os...

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

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896 views

1 answer

swift - iOS Copy Paste phone from contacts to UITextField adds strange unicode characters

The simplified scenario is the following. New project using Single View App template. Add a UITextField to the ... at the breakpoint line. 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

1 answer

swift - addUIInterruptionMonitor(withDescription:handler:) not working on iOS 10 or 9

The following tests works fine on iOS 11. It dismisses the alert asking permissions to use the locations services ... iOS 10. (33278282) See Question&Answers more detail:os...

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

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729 views

1 answer

swift - Extend existing protocols to implement another protocol with default implements

Is it possible to add protocol compliance to a different protocol by way of an extension? For instance we would like ... { return UIView() } } See Question&Answers more detail:os...

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

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792 views

1 answer

swift - ObjectMapper how to map different object based on JSON

I'm using ObjectMapper (https://github.com/Hearst-DD/ObjectMapper) to map my JSON to Swift objects. Say I ... JSON objects? Thanks so much! See Question&Answers more detail:os...

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

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949 views

1 answer

swift - Get the size (in bytes) of an object on the heap

I'm aware you can use MemoryLayout<T>.size to get the size of a type T. For example: MemoryLayout< ... Swift and its interoperability with C. See Question&Answers more detail:os...

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

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1.5k views

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swift - XCode 12: 'SessionDelegate' has different definitions in different modules

Edit: This problem occurs after XCode 12 Beta5. Xcode doesn't allow different modules to define same names ... compile with Legacy Build System 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

1 answer

swift - How to choose a random enumeration value

I am trying to randomly choose an enum value: enum GeometryClassification { case Circle case Square case Triangle case ... How do I solve this? See Question&Answers more detail:os...

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

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866 views

1 answer

swift - Difference between Force Unwrapping Optionals and Implicitly Unwrapped Optionals

I was very confused about forced unwrapping and implicit unwrapping at first. Now, the following understanding comes ... you correct me. 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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762 views

1 answer

swift - Segue from a SLPagingViewSwift VC and dismiss the destination VC to return

***** You can download this project to see the issue ***** I've embedded SLPagingViewSwift in my project. In the ... see the 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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1.2k views

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swift - How to upload zip data with alamofire?

I try to upload data using Alamofire Issue is: if I try to upload image from project it works ok, but if I ... some question feel free to ask! See Question&Answers more detail:os...

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

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676 views

1 answer

swift - Multiple Bottom sheets - the content doesn't load SwiftUI

I have made a view with two possible bottom sheets. The action works, and Bottom Sheets do open. Crazy thing is they ... , 35) Spacer() } } } See Question&Answers more detail:os...

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

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981 views

1 answer

swift - How do I validate dynamically added textFields on a button click in SwiftUI?

I have the following InputView struct and add those InputViews dynamically within a foreach loop in another view: ... achieve this in SwiftUI? See Question&Answers more detail:os...

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

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697 views

1 answer

swift - IOS | Unable to change root view controller in app delegate

I am building an app whose root view controller must be changed if the user is logged in. Say if the user ... help me figure out the issue See Question&Answers more detail:os...

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

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794 views

1 answer

swift - Change UIBarButtonItem from UISearchBar

I'd like to change the text font and color of the Cancel button inside the UISearchBar in iOS 8. I've tried the ... and they don't seem to work. See Question&Answers more detail:os...

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

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