Changing Locale in a playground (Xcode 12.6 beta)

I watched the talk "Formatters: Make data human-friendiy" from WWDC 2020 and want to understand/reproduce the examples, especially for "How we can make well-formated lists"

Question:
What do I have to change in my playground to reproduce the results of the examples.

Code Block // English localisation
let items = [ "English", "French", "Spanish"]
ListFormatter.localizedString(byJoining: items)
let items1 = ["English", "Spanish"]
ListFormatter.localizedString(byJoining: items1)
let items2 = ["Spanish", "English"]
ListFormatter.localizedString(byJoining: items2)
// Spanisch Localisation
let itemsInSpanish = ["Ingleés", "Espñol"]
ListFormatter.localizedString(byJoining: itemsInSpanish)
let itemsINSpanish2 = [ "Espanol", "Ingles" ]
ListFormatter.localizedString(byJoining: itemsINSpanish2)

Thank you for your time.

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This is working for me. Specifically, I created an iOS playground in Xcode 12.0b6 and saw these results:

Code Block  
import Foundation
let items4 = [ "Inglés", "Español" ]
let items5 = [ "Español", "Inglés" ]
let es = ListFormatter()
es.locale = Locale(identifier: "es_ES")
es.string(from: items4)!        // Inglés y Español
es.string(from: items5)!        // Español e Inglés


Note that I had to allocate a ListFormatter so that I could override the locale. The examples in the session don’t have to do that because they just changed the locale of the entire device.

Also note that I used Xcode 12.0b6 and an iOS playground so I could get iOS 14 beta behaviour. I didn’t see the ‘and’ switch on older systems (that could be a limitation of those older systems or it could just be forward actuator stick error).

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@apple.com"
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eskimo
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This is working for me. Specifically, I created an iOS playground in Xcode 12.0b6 and saw these results:

Code Block  
import Foundation
let items4 = [ "Inglés", "Español" ]
let items5 = [ "Español", "Inglés" ]
let es = ListFormatter()
es.locale = Locale(identifier: "es_ES")
es.string(from: items4)!        // Inglés y Español
es.string(from: items5)!        // Español e Inglés


Note that I had to allocate a ListFormatter so that I could override the locale. The examples in the session don’t have to do that because they just changed the locale of the entire device.

Also note that I used Xcode 12.0b6 and an iOS playground so I could get iOS 14 beta behaviour. I didn’t see the ‘and’ switch on older systems (that could be a limitation of those older systems or it could just be forward actuator stick error).

Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@apple.com"
Posted by
eskimo
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@eskimo That clarifies it.
Thank's for mentioning to use ListFormatter. Mr. Misra pointed this out in his presentation.

Anytime we're showing a list of items that's formatted as human readable text, we can use ListFormatter.

(Facepalm) Sometimes a few words make all the difference.

Thank you so much for your time and help

Matthias

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Ibin
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