How to use SwiftUI in framework

Question

I'm using SwiftUI inside my binary framework, I added SwiftUI.framework as Optional in Embedded Binaries and use @available so it compiles just fine with deployment target iOS 9. However I cannot use it with xcodebuild, my commands :

xcodebuild clean archive \
    -project "${PROJECT_NAME}.xcodeproj" \
    -scheme ${1} \
    -configuration ${CONFIGURATION} \
    -destination "${2}" \
    -archivePath "${3}" \
    SKIP_INSTALL=NO \
    OBJROOT="${OBJROOT}/DependentBuilds" \
    BUILD_LIBRARY_FOR_DISTRIBUTION=YES | xcpretty

error message:

use of undeclared type 'View'

use of unresolved identifier 'UIHostingController'

P/s: -weak_framework SwiftUI in Other Linker Flags also didn't work

Quang Vĩnh Hà · Accepted Answer · 2019-10-04 09:54:57Z

2

SwiftUI doesn't have 32 bit header, so adding architecture flag where the error is fix the issue

#if (arch(x86_64) || arch(arm64))
//...
#endif

answered Oct 4, 2019 at 9:54

Quang Vĩnh Hà

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Renatus · Accepted Answer · 2019-10-14 07:50:58Z

0

You can wrap SwiftUI related code in #if canImport(SwiftUI) && canImport(Combine) statements. See example.

answered Oct 14, 2019 at 7:50

Renatus

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3 Comments

XcodeNOOB Over a year ago

Please try to give a concrete example and not links. your link is broken and not helpful at the moment.

ReinstateMonica3167040 Over a year ago

The rescued link is github.com/ruuvi/com.ruuvi.station.ios/blob/…

ReinstateMonica3167040 Over a year ago

The code sample is so short though, you should probably also just copy it into your answer.

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