SOLVED: Sheet .presentationDetents iOS16 option compatible mode

@arroyot24

Sep '22

I'm trying to add the new option for sheet view presentation to my app:

.sheet(isPresented: $isShowingInstrumentsAdd) {
                InstrumentsMaintenanceView()
            }
            .presentationDetents([.medium, .fraction(0.7)])

Xcode says "presentationDetents' is only available in iOS 16.0 or newer", and need to add an "ifAvailable" option. But then, as .sheet is a view property, I can't do something like this:

.sheet(isPresented: $isShowingInstrumentsAdd) {
                InstrumentsMaintenanceView()
            }
            if #available(iOS 16, *) {
                .presentationDetents([.medium, .fraction(0.7)])
            }

I can't find a way to add this two-option sheet, both for iOS16 or not, without having to recreate two views, one for each case. Any ideas?

@Greenamberred HWS+

Sep '22

No, you cannot do that.

If it is important enough to you, then you could write a feedback to Apple, and request this for some future iOS version.

In the meantime you will need to use something like this

.sheet(isPresented: $isShowingInstrumentsAdd) {
    if #available(iOS 16, *) {
        InstrumentsMaintenanceView()
            .presentationDetents([.medium, .fraction(0.7)])
    } else {
        InstrumentsMaintenanceView()
    }
}

@arroyot24

Sep '22

Thanks. I'll do that for Apple.

I've tried the solution you give, without success. Now it works! Maybe some syntax typo.

Great!

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