Swift Packages and XCFrameworks in Xcode 11

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Swift Packages and XCFrameworks in Xcode 11 Sho Ikeda / @ikesyo ؼ͖ͬͯͨؔ੢ϞόΠϧΞϓϦݚڀձ#2 2019-06-12 Wed #ؔϞό

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Sho Ikeda / @ikesyo • ͍͚͠ΐʔʗ஑ా ᠳ • ͸ͯͳ@ژ౎ • εϚʔτϑΥϯΞϓϦ։ൃ • iOS / Android / React Native • Swiftίϛολʔ • https://twitter.com/ikesyo • https://github.com/ikesyo

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Swift Packages

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Swift Package Manager (SwiftPM) • The Package Manager for the Swift Programming Language • Introduced in Swift 3 (2016) • Package.swift • swift package commands • swift package init • swift package build • swift package test • swift package generate-xcodeproj • For Server-Side Swift, CLI tools, ...

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SE-0236 Package Manager Platform Deployment Setting • https://github.com/apple/swift-evolution/blob/master/proposals/ 0236-package-manager-platform-deployment-settings.md • swift package generate-xcodeprojͰੜ੒͞ΕΔ.xcodeproj ͷDeployment Targetʹ൓ө • Xcode΁ͷ౷߹ͷ෍ੴ

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// swift-tools-version:5.0 import PackageDescription let package = Package( name: "Himotoki", platforms: [ .macOS(.v10_10), .iOS(.v8), .tvOS(.v9), .watchOS(.v2) ], products: [ .library(name: "Himotoki", targets: ["Himotoki"]), ], targets: [ .target(name: "Himotoki", dependencies: [], path: "Sources"), .testTarget(name: "HimotokiTests", dependencies: ["Himotoki"]), ], swiftLanguageVersions: [.v5] )

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Swift Packages in Xcode 11 • WWDC19ͷηογϣϯ • Adopting Swift Packages in Xcode - WWDC 2019 - Videos - Apple Developer • Creating Swift Packages - WWDC 2019 - Videos - Apple Developer • [New!] SwiftPMͷػೳ͕Xcodeʹ౷߹͞Εͨ • Xcode͔ΒSwift PackageΛ࡞ΕΔΑ͏ʹͳͬͨ • Xcode͔ΒSwift PackageͷґଘΛ௥ՃɾղܾͰ͖ΔΑ͏ʹͳͬͨ • .xcodeprojͳ͠ͰɺPackage.swift͚ͩͰXcodeΛ։͚ΔΑ͏ʹͳͬͨ • ΋ͪΖΜίʔυิ׬΋ಈ͘͠ςετ΋Ͱ͖Δ • xcodebuildίϚϯυ΋.xcodeprojͳ͠ͷSwift PackageʹରԠ͍ͯ͠Δ • swift package generate-xcodeprojͷඞཁੑ͕ബΕͨ

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Swift Packages: Known Issues • 1ͭͷλʔήοτͰSwiftͱCɺSwiftͱObjective-Cɺͱ͍͏ࠞͥํ͸Ͱ͖ͳ͍ • λʔήοτΛ෼͚Δඞཁ͕͋Δ • Ϧιʔε͕࣋ͯͳ͍ • ը૾, Ի੠, Storyboard, ϩʔΧϥΠζ༻จࣈྻ, ... • όΠφϦ഑෍͸Ͱ͖ͳ͍ • Package.swiftʹͦ͏͍͏λʔήοτఆٛ͸ͳ͍ • UIܥͷϥΠϒϥϦʔ΍֤छSDKͰ͸ɺCarthage΍CocoaPods͸·݈ͩࡏͰ͸ͳ͍ ͔

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XCFrameworks

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XCFrameworks • WWDC19ͷηογϣϯ • What's New in Swift - WWDC 2019 - Videos - Apple Developer • Binary Frameworks in Swift - WWDC 2019 - Videos - Apple Developer • [New!] ϑϨʔϜϫʔΫͷόΠφϦ഑෍༻ͷ৽ϑΥʔϚοτ • .xcframework֦ுࢠ • 1ͭͷ.xcframeworkͷதʹෳ਺ͷϓϥοτϑΥʔϜ༻ͷ.frameworkΛόϯυϧ͢Δ • macOS, iOS Simulator, iOS Device, UIKit for Mac, tvOS Simulator, tvOS Device, watchOS Simulator, watchOS Device

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XCFrameworks Swift 5.1ͷModule Stability • SwiftͰॻ͍ͨϑϨʔϜϫʔΫΛόΠφϦ഑෍ͯ͠΋໰୊ͳ͘ ͳͬͨʢίϯύΠϥʔͷόʔδϣϯҧ͍Ͱ΋ΤϥʔʹͳΒͳ ͘ͳͬͨʣ • ϑϨʔϜϫʔΫͷόΠφϦ഑෍ͷαϙʔτͷվળ

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XCFrameworks UIKit for Mac • ͜Ε·ͰͷόΠφϦ഑෍ • iOS Deviceͷarmv7ͱarm64ɺiOS Simulatorͷx86_64ʢͱi386ʣΛ1ͭʹ·ͱ ΊͨFat Binary • lipoίϚϯυͰ݁߹͢Δ • UIKit for Mac΋CPUΞʔΩςΫνϟ͸x86_64 • 1ͭͷFat BinaryͰ͸iOS SimulatorͱUIKit for MacΛڞଘͤ͞ΒΕͳ͍ • ඞવతʹ෼཭͢Δඞཁ͕͋Δ

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XCFrameworks UIKit for Mac • ϓϥοτϑΥʔϜຖʹframework͕෼཭͞Ε͍ͯΔ • carthage copy-frameworks͕ෆཁʹͳΔՄೳੑ • ετΞਃ੥࣌ʹ͸xcframeworkͷத͔ΒɺiOS Device༻ͷ framework͕ຒΊࠐ·ΕΔʢiOS Simulatorͷ෼͸ຒΊࠐ·Εͳ͍ʣ • ετΞਃ੥༻ͷFat Binary͔ΒSimulatorͷCPUΞʔΩςΫνϟΛ औΓআ͘ඞཁ͕ͳ͘ͳΔ

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Ϗϧυͷ࿩͸লུ • Build Settings • "Build Libraries for Distribution" • "Supports UIKit for Mac" • "Derive UIKit for Mac Product Bundle Identiﬁer" • xcodebuild archive: Multiple Destinations including Simulator xcodebuild archive \ -scheme FooBarBaz -destination ... \ -destination ... \ -destination ...

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Creating XCFrameworks $ xcodebuild -create-framework \ -framework iphonesimulator/Himotoki.framework \ -framework iphoneos/Himotoki.framework \ -framework uikitformac/Himotoki.framework \ -output Himotoki.xcframework

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XCFrameworks: Directory Structure Himotoki.xcframework ├── Info.plist ├── ios-armv7_arm64 │ └── Himotoki.framework ├── ios-i386_x86_64-simulator │ └── Himotoki.framework └── ios-x86_64-uikitformac └── Himotoki.framework

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XCFrameworks: Info.plist ?xml version="1.0" encoding="UTF-8"?> AvailableLibraries LibraryIdentifier ios-x86_64-uikitformac LibraryPath Himotoki.framework SupportedArchitectures x86_64 SupportedPlatform ios SupportedPlatformVariant uikitformac LibraryIdentifier ios-armv7_arm64 LibraryPath Himotoki.framework SupportedArchitectures armv7 arm64 SupportedPlatform ios LibraryIdentifier ios-i386_x86_64-simulator LibraryPath Himotoki.framework SupportedArchitectures i386 x86_64 SupportedPlatform ios SupportedPlatformVariant simulator CFBundlePackageType XFWK XCFrameworkFormatVersion 1.0

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AvailableLibraries LibraryIdentifier ios-x86_64-uikitformac LibraryPath Himotoki.framework SupportedArchitectures x86_64 SupportedPlatform ios SupportedPlatformVariant uikitformac

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LibraryIdentifier ios-armv7_arm64 LibraryPath Himotoki.framework SupportedArchitectures armv7 arm64 SupportedPlatform ios

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LibraryIdentifier ios-i386_x86_64-simulator LibraryPath Himotoki.framework SupportedArchitectures i386 x86_64 SupportedPlatform ios SupportedPlatformVariant simulator

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CFBundlePackageType XFWK XCFrameworkFormatVersion 1.0

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xcodebuild -create-xcframework $ xcodebuild -create-xcframework -help OVERVIEW: Utility for packaging multiple build configurations of a given library or framework into a single xcframework. USAGE: xcodebuild -create-xcframework -framework [-framework ...] -output xcodebuild -create-xcframework -library [-headers ] [-library [-headers ]...] -output OPTIONS: -framework Adds a framework from the given . -library Adds a static or dynamic library from the given . -headers Adds the headers from the given . Only applicable with -library. -output The to write the xcframework to. -help Show this help content.