ios-darkmode

问题 I created images assets for dark and light mode called myImage. Set the image assets appearance to Any, Dark. The problem this code gets the same image even if the mode is light or dark. How can I get the code to select the correct image depending on light or dark mode? Thanks for your help. let image = UIImage(named: "image") let asset = image?.imageAsset let resolvedImage = asset?.image(with: traitCollection) If let image = resolvedImage { myButton.setImage(image, for: .normal) } 回答1: let

问题 I created images assets for dark and light mode called myImage. Set the image assets appearance to Any, Dark. The problem this code gets the same image even if the mode is light or dark. How can I get the code to select the correct image depending on light or dark mode? Thanks for your help. let image = UIImage(named: "image") let asset = image?.imageAsset let resolvedImage = asset?.image(with: traitCollection) If let image = resolvedImage { myButton.setImage(image, for: .normal) } 回答1: let

问题 I'm am trying to achieve dark mode within my iOS application using SwiftUI: simple test would be to change the background colour. I have set up my colour set as seen below: ContentView.swift: import SwiftUI struct ContentView : View { @EnvironmentObject var session: SessionStore func getUser () { session.listen() } var body: some View { Group { if (session.session != nil) { VStack { WelcomeView() .background(Color("bg")) .edgesIgnoringSafeArea(.all) } } else { VStack { SigninView().transition

问题 I want to set Custom buttonStyle modifier for button for light and dark mode. How to change buttonStyle Modifier based on light or dark mode? I want to set Custom modifier for my button for light and dark mode. here is my button code, Button(action: { print("button tapped") }, label: { LinearGradient(gradient: Gradient(colors: [.darkBlueColor, .lightBlueColor]), startPoint: .top, endPoint: .bottom) .mask(Image(systemName: "ellipsis") .resizable() .aspectRatio(contentMode: .fit) ).frame(width:

问题 How can I make a switch to change programatically to dark or light mode in my iOS app? I'm using Swift. 回答1: You can override the style for single views or view controller using the overrideUserInterfaceStyle property. But since the window is also a view, you can set that on your main window to force it into light or dark mode: window.overrideUserInterfaceStyle = .dark 来源： https://stackoverflow.com/questions/60171262/how-to-switch-programmatically-to-dark-mode-swift

问题 In Assets.xcassets , there is an ability to add additional images that will automatically switch based on the Appearances. This works well for static images but I'm trying to figure out how to do this for downloaded images. Is there a way to either set the dark mode version of an Image on init or is there a function in SwiftUI that will allow you to detect whether the current appearance is dark so that a different image URL can be served? 回答1: You can use @Environment(\.colorScheme) var

问题 This question already has answers here : How to check if Android or iOS dark mode is enabled in Flutter? (3 answers) Closed 2 days ago . I'm writing a Flutter app for Android and iOS which will change its style/theme based on iOS' Dark Mode status. Is there currently anything like a MediaQuery.isDarkModeEnabled in Flutter? There is a GitHub issue open here but the Flutter team must be overwhelmed in issues so I can't see this being implemented too soon. I can use 'traitCollection

问题 This question already has answers here : How to check if Android or iOS dark mode is enabled in Flutter? (3 answers) Closed 2 days ago . I'm writing a Flutter app for Android and iOS which will change its style/theme based on iOS' Dark Mode status. Is there currently anything like a MediaQuery.isDarkModeEnabled in Flutter? There is a GitHub issue open here but the Flutter team must be overwhelmed in issues so I can't see this being implemented too soon. I can use 'traitCollection

问题 This question already has answers here : How to check if Android or iOS dark mode is enabled in Flutter? (3 answers) Closed 2 days ago . I'm writing a Flutter app for Android and iOS which will change its style/theme based on iOS' Dark Mode status. Is there currently anything like a MediaQuery.isDarkModeEnabled in Flutter? There is a GitHub issue open here but the Flutter team must be overwhelmed in issues so I can't see this being implemented too soon. I can use 'traitCollection

问题 I'm currently looking into Dark Mode in my App. While Dark Mode itself isn't much of a struggle because of my SwiftUI basis i'm struggling with the option to set the ColorScheme independent of the system ColorScheme. I found this in apples human interface guidelines and i'd like to implement this feature. (Link: Human Interface Guidelines) Any idea how to do this in SwiftUI? I found some hints towards @Environment but no further information on this topic. (Link: Last paragraph) 回答1: First you