I can't put the categories variable anywhere in ConsoleList as I always get an error. I get: "Value of type '[AnyHashable : Any]' has no member 'category'"
import Foundation
let imgName: String = ""
let consoleName: String = ""
let description: String = ""
let initialPrice: Double = 0.00
let ReleaseDate: String = ""
let Discontinuation: Int = 0
let category: String = ""
struct consoleList{
let categories = Dictionary(grouping: consoles, by: {$0.category } )
let consoles = [
[imgName: "FAMICOM",
consoleName: "Famicom",
description: "It was released in 1983 in Japan and due to it success it gave birth to the NES",
initialPrice: 179,
ReleaseDate: "Release Date: July 15, 1983",
Discontinuation: 2003,
category: "Home Consoles"],
[imgName: "NES",
consoleName: "NES",
description: "It was released in 1985 in the US and EU and was the european version of the Famicom",
initialPrice: 179,
ReleaseDate: "Release Date: Oct 18, 1985",
Discontinuation: 1991,
category: "Home Consoles"],
[imgName: "US_SNES",
consoleName: "SNES, Super Famicom",
description: "Nintendo released the Super Nintendo Entertainment System, a redesigned version of the Super Famicom, in North America for US$199 (equivalent to $400 in 2021).",
initialPrice: 199,
ReleaseDate: "Release Date: Sept 9, 1991",
Discontinuation: 1999,
category: "Home Consoles"],
[imgName: "GB_FAT",
consoleName: "Original GameBoy",
description: "The Game Boy is the first handheld in the Game Boy family, it was first released in Japan on April 21, 1989.",
initialPrice: 89.99,
ReleaseDate: "Release Date: Apr 21, 1989",
Discontinuation: 200,
category: "Handheld Consoles"],
[imgName: "GB_POCKET",
consoleName: "GameBoy Pocket",
description: "On July 21, 1996, Nintendo released the Game Boy Pocket for US$69.99: a smaller, lighter unit that required fewer batteries. It has space for two AAA batteries, which provide approximately 10 hours of gameplay.",
initialPrice: 69.99,
ReleaseDate: "Release Date: Jul 21, 1996",
Discontinuation: 2003,
category: "Handheld Consoles"],
[imgName: "GB_LIGHT",
consoleName: "Release Date: GameBoy Light",
description: "The Game Boy Light is the second and final revision of the original Game Boy exclusive to Japan.",
initialPrice: 89.99,
ReleaseDate: "Release Date: Apr 14, 1998",
Discontinuation: 2003,
category: "Handheld Consoles"]
]
}
In my content view preview, I get the two categories I want but they are duplicated by the amount of consoles the category belongs to and I just want one of each, anything I can do?
import SwiftUI
let Con :[consoleDetails] = consoleList.Consoles
struct ContentView: View {
var body: some View {
NavigationView{
List(consoleList.categories.sorted(by: {$0.key > $1.key}), id:\.key){con in
NavigationLink(destination: ConsoleSection(), label:{
Image(systemName: "folder.fill")
.scaledToFit()
.frame(height: 30)
.cornerRadius(4)
.padding(.vertical, 4)
VStack{
Text(con.key)
}
}).navigationTitle("appname")
}
}
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
CodePudding user response：
The error is pretty simple. This is not a list of console categories it is a list of ConsoleDetails and you are showing the console category. That´s why you see doublets and triplets.
If you want to show a list of consoles and their respective names change:
Text(con.category)
to:
Text(con.consoleName)
If you really want a List of console categories you would need to group your ConsoleDetail into a Dictionary of type [String:[Consoledetail]]. This could be used to iterate in the list and show them.
Add this to your ConsoleList:
static let categories = Dictionary(grouping: consoles, by: {$0.category } )
Your ContentView then should look like this:
var body: some View {
NavigationView{
List(ConsoleList.categories.sorted(by: {$0.key > $1.key}), id:\.key){con in
NavigationLink(destination: ConsoleSection(), label:{
Image(systemName: "folder.fill")
.scaledToFit()
.frame(height: 30)
.cornerRadius(4)
.padding(.vertical, 4)
VStack{
Text(con.key)
}
}).navigationTitle("appname")
}
}
}
Remarks:
- You got your naming the wrong way around. In Swift you name classes and struct uppercased and properties lowercased.
ConsoleSectionwill probably need the list ofConsoleDetailthat is grouped inconin this case.
Edit:
You can´t access a nonstatic property from a static one. Either remove the static keyword from categories property or add it back to your consoles property.
E.g.:
static let categories = Dictionary(grouping: consoles, by: {$0.category } )
static let consoles = [...
Edit:
Your ConsoleList should look like this:
struct ConsoleList{
static let categories = Dictionary(grouping: consoles, by: {$0.category } )
static let consoles = [
ConsoleDetails(imgName: "FAMICOM",
consoleName: "Famicom",
description: "It was released in 1983 in Japan and due to it success it gave birth to the NES",
initialPrice: 179,
ReleaseDate: "Release Date: July 15, 1983",
Discontinuation: 2003,
category: "Home Consoles"),
ConsoleDetails(imgName: "NES",
consoleName: "NES",
description: "It was released in 1985 in the US and EU and was the european version of the Famicom",
initialPrice: 179,
ReleaseDate: "Release Date: Oct 18, 1985",
Discontinuation: 1991,
category: "Home Consoles"),
ConsoleDetails(imgName: "US_SNES",
consoleName: "SNES, Super Famicom",
description: "Nintendo released the Super Nintendo Entertainment System, a redesigned version of the Super Famicom, in North America for US$199 (equivalent to $400 in 2021).",
initialPrice: 199,
ReleaseDate: "Release Date: Sept 9, 1991",
Discontinuation: 1999,
category: "Home Consoles"),
ConsoleDetails(imgName: "GB_FAT",
consoleName: "Original GameBoy",
description: "The Game Boy is the first handheld in the Game Boy family, it was first released in Japan on April 21, 1989.",
initialPrice: 89.99,
ReleaseDate: "Release Date: Apr 21, 1989",
Discontinuation: 200,
category: "Handheld Consoles"),
ConsoleDetails(imgName: "GB_POCKET",
consoleName: "GameBoy Pocket",
description: "On July 21, 1996, Nintendo released the Game Boy Pocket for US$69.99: a smaller, lighter unit that required fewer batteries. It has space for two AAA batteries, which provide approximately 10 hours of gameplay.",
initialPrice: 69.99,
ReleaseDate: "Release Date: Jul 21, 1996",
Discontinuation: 2003,
category: "Handheld Consoles"),
ConsoleDetails(imgName: "GB_LIGHT",
consoleName: "Release Date: GameBoy Light",
description: "The Game Boy Light is the second and final revision of the original Game Boy exclusive to Japan.",
initialPrice: 89.99,
ReleaseDate: "Release Date: Apr 14, 1998",
Discontinuation: 2003,
category: "Handheld Consoles")]
}