swiftui

问题 I am attempting to layout a tableView using SwiftUI and WidgetKit and would like to achieve a similar result of that as the Apple's Notes widget. My current implementation succeeds in laying out the view in the .systemLarge widget, but not in the .systemMedium widget. I would like to pin the view to the top of the widget, such that the header of "FAVOURITES" is visible in the .systemMedium . struct PlacesWidgetEntryView : View { var entry: Provider.Entry let places = [ Place(name: "Place 1",

问题 "My" solution: Thanks to the help of Midhun MP and Mojtaba Hosseini I found this solution. It works ok, but the translucent effect of the navigation bar does not work anymore. So, if anyone knows how to fix it, please let me know. // UITableView.appearance().backgroundColor = UIColor(named: "CustomTableViewBackgroundColor") // These are all custom color sets // UITableViewCell.appearance().backgroundColor = UIColor(named: "CustomTableViewCellBackgroundColor") // For the navigation bar color

问题 "My" solution: Thanks to the help of Midhun MP and Mojtaba Hosseini I found this solution. It works ok, but the translucent effect of the navigation bar does not work anymore. So, if anyone knows how to fix it, please let me know. // UITableView.appearance().backgroundColor = UIColor(named: "CustomTableViewBackgroundColor") // These are all custom color sets // UITableViewCell.appearance().backgroundColor = UIColor(named: "CustomTableViewCellBackgroundColor") // For the navigation bar color

问题 I want to change the order of the rows in a list that retrieves objects from the core data. Moving rows works, but the problem is that I can't save the changes. I don't know how to save the changed Index of the CoreData Object. Here is my Code: Core Data Class: public class CoreItem: NSManagedObject, Identifiable{ @NSManaged public var name: String } extension CoreItem{ static func getAllCoreItems() -> NSFetchRequest <CoreItem> { let request: NSFetchRequest<CoreItem> = CoreItem.fetchRequest()

问题 I want to change the order of the rows in a list that retrieves objects from the core data. Moving rows works, but the problem is that I can't save the changes. I don't know how to save the changed Index of the CoreData Object. Here is my Code: Core Data Class: public class CoreItem: NSManagedObject, Identifiable{ @NSManaged public var name: String } extension CoreItem{ static func getAllCoreItems() -> NSFetchRequest <CoreItem> { let request: NSFetchRequest<CoreItem> = CoreItem.fetchRequest()

问题 I have a dictionary that contains various values I want to "filter" by. So I'm doing something like this struct ExampleView : View { @EnvironmentObject var externalData : ExternalData var body: some View { VStack { ForEach(externalData.filters) { (v : (String, Bool)) in Toggle(isOn: $externalData.filters[v.0], label: { Text("\(v.0)") }) } } } } final class ExternalData : BindableObject { let didChange = PassthroughSubject<ExternalData, Never>() init() { filters["Juniper"] = true filters[

问题 I have a dictionary that contains various values I want to "filter" by. So I'm doing something like this struct ExampleView : View { @EnvironmentObject var externalData : ExternalData var body: some View { VStack { ForEach(externalData.filters) { (v : (String, Bool)) in Toggle(isOn: $externalData.filters[v.0], label: { Text("\(v.0)") }) } } } } final class ExternalData : BindableObject { let didChange = PassthroughSubject<ExternalData, Never>() init() { filters["Juniper"] = true filters[

问题 I have a dictionary that contains various values I want to "filter" by. So I'm doing something like this struct ExampleView : View { @EnvironmentObject var externalData : ExternalData var body: some View { VStack { ForEach(externalData.filters) { (v : (String, Bool)) in Toggle(isOn: $externalData.filters[v.0], label: { Text("\(v.0)") }) } } } } final class ExternalData : BindableObject { let didChange = PassthroughSubject<ExternalData, Never>() init() { filters["Juniper"] = true filters[

问题 In my SwiftUI app, I need to get data from ObservedObject each time the value change. I understood that we could do that with .onReceive? I don't understand well the documentation of Apple about it. I don't know how I can do this. My code: import SwiftUI import CoreLocation struct Compass: View { @StateObject var location = LocationManager() @State private var angle: CGFloat = 0 var body: some View { VStack { Image("arrow") .resizable() .aspectRatio(contentMode: .fit) .frame(width: 300,

问题 I didn't find any link or guide to change the "return" key to "done" when keyboard open for TextField in SwiftUI. Is it possible now without customising UITextField? 回答1: The best way I found was to just add the package Introspect to your project. After doing so add in import Introspect anywhere in your project files. Then add one of their View Modifiers to your Textfield to achieve what you want. I believe this is what you want though ⤵ .introspectTextField { textfield in textfield