Introducing iPad Apps for Mac - Apple Inc.

#WWDC19

Ali Ozer, Cocoa Jake Petroules, Developer Tools Jason Beaver, Cocoa

•Introducing iPad Apps for Mac

Agenda

•What it is •Getting started •Things you get for free •API differences

Rebuild and run iPad Apps natively on the Mac

macOS App Web Games

AppKit WebKit Metal

iOS App

macOS App

AppKit

WebKit

Leverage our shared technology stack

Integrate iOS frameworks

Leverage our shared technology stack

Integrate iOS frameworks

Enable Xcode to build iPad projects for Mac

macOS Apps

UI frameworks

macOS Apps

AppKit

SceneKitWebKit

UI frameworks

Low level frameworks

macOS Apps

CoreGraphics

Foundation

libSystem

AppKit

SceneKitWebKit

UI frameworks

macOS Apps

CoreGraphics

Foundation

libSystem

Photos, Contacts, Prefs, …

AppKit

SceneKitWebKit

Databases

UI frameworks

macOS Apps

CoreGraphics

Foundation

libSystem

Clipboard, File coordination, …

AppKit

SceneKitWebKit

Services

Databases

UI frameworks

macOS Apps

CoreGraphics

Foundation

libSystem

AppKit

Darwin

SceneKitWebKit

Kernel

Services

Databases

UI frameworks

iOS AppsmacOS Apps

CoreGraphics

Foundation

libSystem

AppKit

Darwin

SceneKitWebKit

Kernel

Services

Databases

UI frameworks

iOS AppsmacOS Apps

CoreGraphics

Foundation

libSystem

UserNotifications

CoreGraphics

Foundation

libSystem

UIKitAppKit

Darwin

SceneKitWebKit WebKit SceneKit ARKit

DarwinKernel

Services

Databases

iOS AppsmacOS Apps

CoreGraphics

Foundation

libSystem

UserNotifications

CoreGraphics

Foundation

libSystem

UIKitAppKit

Darwin

iOS Simulator

iOS AppsmacOS Apps

CoreGraphics

Foundation

libSystem

UserNotifications

CoreGraphics

Foundation

libSystem

UIKitAppKit

Darwin

iOS AppsmacOS Apps

CoreGraphics

Foundation

libSystem

UserNotifications

CoreGraphics

Foundation

libSystem

UIKitAppKit

Darwin

UIKit AppsAppKit Apps

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

“Twin” Frameworks

UIKitAppKit

SceneKitWebKit WebKit SceneKitMapKit RealityKit MapKit RealityKitPhotosUI PhotosUI… …

UIKitAppKit

import Cocoa open class MKMapView : NSView, NSCoding { ... }

UIKitAppKit

import UIKit

open class MKMapView : UIView, NSCoding { ... }

UIKitAppKit

import UIKit

UIKitAppKit

import UIKit

CoreGraphics

Foundation

libSystem

UserNotifications

Darwin

AppKit

SceneKitWebKit

When to Consider iPad Apps for Mac

Make iPad app available on the Mac

Bring older Mac app to feature parity with iPad app

Replace Mac app built on non-native technology

Not All Apps Are Candidates

iPhone-only apps

Not All Apps Are Candidates

iPhone-only apps

Apps that are built around mobile features

Easy to get started

One project, one source base, one target

Easy to get started

iPad app on the inside

Easy to get started

iPad app on the inside

Mac app on the outside

Jake Petroules

•Getting Started

Ali Ozer

•Things You Get For Free

Default Menu Bar

Window Management

Dark Mode

Scroll Bars

Settings

Touch Bar

Open and Save Panels

Custom Views

Controls

Text Sizes

17 ptiOS =

Text Sizes

13 pt17 pt

macOS =iOS =

Text Sizes

13 pt17 pt

Text Sizes

13 pt17 ptScaled

More Things You Get For Free

Copy and paste

Drag and drop

Printing

Multiple windows

Application lifecycle

Features to Adopt

Mac icon

Custom menus

Toolbars

Touch Bar

Hover events

And more!

Jason Beaver

•API Differences

Overview of API Differences

APIs that have identical behavior

APIs that are mapped to macOS functionality

APIs that are unavailable

•Mouse and Touch Events

Mouse and Touch Events

Single-finger touch tracking

Standard gestures

Custom multi-touch code

Unavailable APIs

Deprecated frameworks

Unavailable APIs

iOS-specific frameworks

Unavailable APIs

Hardware-specific frameworks

Unavailable APIs

Hardware-specific frameworks

Framework differences

Deprecated Frameworks

Deprecated Framework Replacement Framework

AddressBook Contacts

AddressBookUI ContactsUI

AssetsLibrary Photos

OpenGLES Metal

GLKit MetalKit

iOS Specific Frameworks

ClassKit

HealthKit

HomeKit

Hardware Specific Frameworks

CarPlay

VisionKit

Framework Differences

Core Location

Core Motion

Core Telephony

Core NFC

Core Bluetooth

Media Player

AVFoundation

AudioToolbox

SafariServices

QuickLook

ReplayKit

StoreKit

SystemConfiguration

PassKit

•API Availability

API Availability

// Swift @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0)

// Objective-C API_AVAILABLE(macos(10.10), ios(8.0), watchos(2.0), tvos(9.0))

API Availability

// Swift @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0)

// Objective-C API_AVAILABLE(macos(10.10), ios(8.0), watchos(2.0), tvos(9.0))

API Availability

// Swift @available(macOS 10.10, UIKitForMac 13.0) @unavailable(iOS, watchOS, tvOS)

// Objective-C API_AVAILABLE(macos(10.10), uikitformac(13.0)) API_UNAVAILABLE(ios, watchos, tvos)

API Availability

// Swift @available(macOS 10.10, UIKitForMac 13.0) @unavailable(iOS, watchOS, tvOS)

// Objective-C API_AVAILABLE(macos(10.10), uikitformac(13.0)) API_UNAVAILABLE(ios, watchos, tvos)

API Availability

// Swift @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0) @unavailable(UIKitForMac)

// Objective-C API_AVAILABLE(macos(10.10), ios(8.0), watchos(2.0), tvos(9.0)) API_UNAVAILABLE(uikitformac)

API Availability

// Swift @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0) @unavailable(UIKitForMac)

// Objective-C API_AVAILABLE(macos(10.10), ios(8.0), watchos(2.0), tvos(9.0)) API_UNAVAILABLE(uikitformac)

•Conditionalizing Code

Conditionalizing Code

// iOS-specific code let recognizer = MyGestureRecognizer(target: self, action: #selector(myAction(recognizer:))) recognizer.delegate = self view.addGestureRecognizer(recognizer)

#if !targetEnvironment(UIKitForMac) // iOS-specific code let recognizer = MyGestureRecognizer(target: self, action: #selector(myAction(recognizer:))) recognizer.delegate = self view.addGestureRecognizer(recognizer) #endif

#if !TARGET_OS_UIKITFORMAC // iOS-specific code id recognizer = [[MyGestureRecognizer alloc] initWithTarget:self action:@selector(myAction:)]; recognizer.delegate = self; [view addGestureRecognizer:recognizer]; #endif

•Data Protection

Data Protection

NSData.WritingOptions.noFileProtection .completeFileProtection .completeFileProtectionUnlessOpen .completeFileProtectionUntilFirstUserAuthentication

Data Protection

try data.write(to: fileURL, options: .completeFileProtection)

Data Protection

try data.write(to: fileURL, options: .completeFileProtection)

Data Protection

let key = SymmetricKey(size: .bits256) let sealed = try AES.GCM.seal(data, using: key)

•Bundle Format

Bundle Format

ChocolateChip.app

ChocolateChip

en.lproj

Info.plist

MyImages

Image1.png

Image2.png

Localizable.strings

MainWindow.nib

Bundle Format

ChocolateChip.app

Contents

Resources

en.lproj

MyImages

Image1.png

Image2.png

Localizable.strings

MainWindow.nib

Info.plist

ChocolateChip

ChocolateChip.app

ChocolateChip

en.lproj

Info.plist

MyImages

Image1.png

Image2.png

Localizable.strings

MainWindow.nib

•Extensions

Available Extensions

Action

Audio Unit

Broadcast UI

Broadcast Upload

Notification Service

Spotlight Index

Network

Available Extensions

Action

Audio Unit

Broadcast UI

Broadcast Upload

Notification Service

Spotlight Index

Network

Unavailable Extensions

Content Blocker

File Provider

File Provider UI

Intents

Intents UI

QuickLook Preview

Unwanted Communication

AutoFill Credential Provider

Call Directory

Custom Keyboard

iMessage

Thumbnail

Message Filter

Notification Content

Photo Editing

Sticker Pack

•Demo

More Informationdeveloper.apple.com/wwdc19/205

Taking iPad Apps for Mac to the Next Level Thursday, 5:00

What's New in iOS and macOS Design Tuesday, 5:00

Font Management and Text Scaling Thursday, 9:00

Introducing iPad Apps for Mac - Apple Inc.

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