Questions tagged [appstorage]
56 questions
7
votes
0 answers
Storing arrays of string persistently in SwiftUI using AppStorage
I'm trying to store an array of string in user defaults using the AppStorage property wrapper like this:
@AppStorage("History") var history: [String] = ["End of history"]
however I get the error No exact matches in call to initializer
Is this a…
Arnav Motwani
- 707
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7
votes
2 answers
How to store EnumTypes with @AppStorage in SwiftUI
@pretep
Hi,
I want to store a map-status in UserDefaults. Is it possible to do something like this:
@AppStorage("myMapType") var mapType: MKMapType = .standard
Or do I have to access the rawValue of the MKMapType instead? How could I do this?…
Peter Plass
- 81
- 1
- 5
7
votes
1 answer
Can @AppStorage be used in the Environment in SwiftUI?
Can @AppStorage be used in the Environment in SwiftUI, if so, how would you do it?
I know you can send the value for the @AppStorage from one view to another using @Bindings as a general wondering I would like to know if its possible to put it in…
Mark
- 16,906
- 20
- 84
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5
votes
1 answer
@App Storage and MKCoordinateRegion Function
Is it possible to save an MKCoordinateRegion Value in @App Storage?
I tried this. But it doesn't work. I got the error 'No exact matches in call to initializer' .
@AppStorage("region_key") var region = MKCoordinateRegion(
center:…
comhendrik
- 239
- 2
- 11
5
votes
1 answer
How to use @AppStorage inside a model with @Published and store In App Purchased products
I know that @AppStorage has to be used only inside a view, but I prefer to manage the model and use the advantage of @AppStorage.
For example, if I would like to store the purchased product in In App Purchasing, could I use this work around or it is…
Simone Pistecchia
- 2,746
- 3
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5
votes
2 answers
How can I store a variable as the key of an @AppStorage variable
So I wanted to make the switch to @AppStorage in my app but I'm troubled with a specific issue.
For the key of the @AppStorage I would like to use a variable that I already have but I can not do that but I used to find a way to do it with User…
peterk
- 319
- 3
- 10
4
votes
2 answers
SwiftUI - AppStorage doesn't work with GeometryReader
Here is a simple example. You can create new SwiftUI iOS project and copy it to ContentView file.
import SwiftUI
struct Settings {
static let onOff = "onOff"
}
struct ContentView: View {
@AppStorage(wrappedValue: false, Settings.onOff) var…
mallow
- 2,368
- 2
- 22
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3
votes
2 answers
Initialize optional @AppStorage property with non-nil value
I need an optional @AppStorage String property (for a NavigationLink selection, which required optional), so I declared
@AppStorage("navItemSelected") var navItemSelected: String?
I need it to start with a default value that's non-nil, so I…
Steve M
- 9,296
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- 49
- 98
3
votes
1 answer
SwiftUI - @AppStorage variable key value
I'm trying to get from UserDefaults a Bool whose key depends on the nameID of a Product.
I tried this way:
import SwiftUI
struct ProductDetail: View {
var product: GumroadProduct
…
Albifer
- 167
- 2
- 10
2
votes
1 answer
App crashes when setting custom Struct value in AppStorage
I have a custom struct I want to store in AppStorage:
struct Budget: Codable, RawRepresentable {
enum CodingKeys: String, CodingKey {
case total, spent
}
var total: Double
var spent: Double
init(total: Double = 5000.0,…
Kex
- 8,023
- 9
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2
votes
0 answers
@State with a @Appstorage property does not update a SwiftUI View
I organized some settings to be stored in UserDefauls in a struct like this, because I want to have them in one place and to have getters and Setters.
enum PrefKeys : String {
case KEY1
case KEY2
var key: String { return…
mica
- 3,898
- 4
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- 62
2
votes
1 answer
@AppStorage not updating view
I have the following reproduced example in Swift/SwiftUI.
Intended Functionality: List of numbers, where upon deletion of any number, the numbers update and reorganize so that they are in consecutive order.
Example: Suppose we have numbers 1, 2, 3,…
Stoic
- 945
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- 22
2
votes
1 answer
SwiftUI @AppStorage doesn't refresh in a function
I am trying to reload the data every .onAppear, but if I change the @AppStorage nearMeter's value in the SettingsView, it isn't updating the value in the reloadNearStops func and using the previous @AppStorage value.
struct SettingsView: View {
…
sandorb
- 479
- 1
- 7
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2
votes
2 answers
Using @AppStoarge with a custom object array does not persist data
I am fairly new to SwiftUI and want to use the @AppStorage property wrapper to persist a list of custom class objects in the form of an array. I found a couple of posts here that helped me out creating the following generic extension which I have…
svcho
- 23
- 3
1
vote
1 answer
@AppStorage in Structs
I am really stuck on this. I want to make several button, each having independet state of ifButtonDisabled. The button disables when user clicks on it. Since, I want my app to remember the state of the button when the app reloads or refresh, I am…
Uday Agarwal
- 7
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