swift5

问题 I'm trying to open url from messages and i'm using 3.0.0-beta-swift5 version of MessageKit. I implemented the delegate methods. func detectorAttributes(for detector: DetectorType, and message: MessageType, at indexPath: IndexPath) -> [NSAttributedString.Key: Any] { switch detector { case .hashtag, .mention, .url: return [.foregroundColor: UIColor.blue] default: return MessageLabel.defaultAttributes } } func enabledDetectors(for message: MessageType, at indexPath: IndexPath, in

问题 After spending some time creating a @Debounced property wrapper I'm not happy with the readability of the code. To understand what's going on you really need to understand how a Property wrapper works and the concept of the wrappedvalue and projectedvalue. This is the Property Wrapper: @propertyWrapper class Debounced<Input: Hashable> { private var delay: Double private var _value: Input private var function: ((Input) -> Void)? private weak var timer: Timer? public init(wrappedValue: Input,

问题 I have information in UIGraphicsPDFRendererFormat with height 400 and I want to attach a table in it, but I need if the table is bigger than the page to create automatically new pages and continues with the table in the other pages. I found answers about converting UITableView to PDF, but I don't use UITableView. I'm going to fill the table with arrays: names:[String] , addresses:[String], money:[Double] The Array Money should be summed automatically at the end of the table. So how can be

问题 I'm trying to reproduce the Apple tutorial(Composing Complex Interfaces) and I have a very weird problem. My CategoryItem view is being displayed as a blue frame. If I remove the NavigationLink which wraps it, everything works fine but with that one it doesn't. struct CategoryRow: View { var categoryName: String var items: [Landmark] var body: some View { VStack(alignment: .leading) { Text(self.categoryName) .font(.headline) .padding(.leading, 15) .padding(.top, 5) ScrollView(.horizontal,

问题 I'd like to display different views when building for iOS and iPadOS. Currently, I know I can do import SwiftUI struct ContentView: View { #if targetEnvironment(macCatalyst) var body: some View { Text("Hello") } #else var body: some View { Text("Hello") } #endif } to display different views between macOS and iPadOS/iOS (introduced in Swift 4/5). But how do I differentiate between the latter? I can't seem to use targetEnvironment... 回答1: I use this in my code: private var idiom :

问题 App crashes with the following error message 2019-10-12 20:01:34.332334-0700 Awesome App[26368:3535170] [plugin] AddInstanceForFactory: No factory registered for id <CFUUID 0x600002903280> F8BB1C28-BAE8-11D6-9C31-00039315CD46 The breakpoint at crash seems to be related to AVAudioPlayer let path = Bundle.main.path(forResource: "menu_background.mp3", ofType:nil)! audioPlayer = try AwesomeAudioPlayer(contentsOf: URL(fileURLWithPath: path)) ---> breakpoint 回答1: I have found the solution in

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed last year . I'm getting this warning in Xcode 10.2. Conversion to swift 5 is available When i click this error it's opening this window When we click NEXT what will happen... 回答1: current version of swift is swift5 which only supported in xcode 10.2 and you are using another version like

问题 How can I change the back button text in a NavigationView when a new View is pushed? The default shows "Back" but I want to change it so something. Is that currently possible in SwiftUI? 回答1: Full Code: struct SampleDetails: View { @Environment(\.presentationMode) var presentationMode: Binding<PresentationMode> var btnBack: some View { Button(action: {self.presentationMode.wrappedValue.dismiss()}) { HStack { Image("ic_back") // set image here .aspectRatio(contentMode: .fit) .foregroundColor(

问题 I want to set an image in the titleView of NavigationBar in SwiftUI, as we do in UIKit navigationItem.titleView = UIImageView(image: UIImage(named: "logo")) this is how we do it in UIKit. anyone know how to do it? 回答1: Here's how to do it: Add SwiftUIX to your project. Set your custom title view via View.navigationBarTitleView(_:displayMode:) Example code: struct ContentView: View { public var body: some View { NavigationView { Text("Hello World") .navigationBarTitleView(MyView()) } } } 回答2:

问题 I want to set an image in the titleView of NavigationBar in SwiftUI, as we do in UIKit navigationItem.titleView = UIImageView(image: UIImage(named: "logo")) this is how we do it in UIKit. anyone know how to do it? 回答1: Here's how to do it: Add SwiftUIX to your project. Set your custom title view via View.navigationBarTitleView(_:displayMode:) Example code: struct ContentView: View { public var body: some View { NavigationView { Text("Hello World") .navigationBarTitleView(MyView()) } } } 回答2: