What s New in Cocoa. App Frameworks #WWDC17. Ali Ozer Daphne Larose

Transcription

1 Session App Frameworks #WWDC17 What s New in Cocoa 207 Ali Ozer Daphne Larose 2017 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.

2 API Refinements AppKit Foundation

3 API Refinements Ali Ozer, Director, Cocoa

4 API Refinements Properties Nullability Generics Swift naming guidelines String enumerations Nested types

5 API Refinements Properties Nullability Generics Swift naming guidelines String enumerations Nested types

6 String Enumerations and Nested Types // NSSharingService, Swift 3 public let NSSharingServiceNameCompose String public let NSSharingServiceNameComposeMessage: String public let NSSharingServiceNameSendViaAirDrop: String public let NSSharingServiceNameAddToSafariReadingList: String... open class NSSharingService : NSObject {... public init?(named servicename: String) }

7 String Enumerations and Nested Types // NSSharingService, Swift 3 public let NSSharingServiceNameCompose String public let NSSharingServiceNameComposeMessage: String public let NSSharingServiceNameSendViaAirDrop: String public let NSSharingServiceNameAddToSafariReadingList: String... open class NSSharingService : NSObject {... public init?(named servicename: String) }

8 String Enumerations and Nested Types // NSSharingService, Swift 3 public let NSSharingServiceNameCompose String public let NSSharingServiceNameComposeMessage: String public let NSSharingServiceNameSendViaAirDrop: String public let NSSharingServiceNameAddToSafariReadingList: String... open class NSSharingService : NSObject {... public init?(named servicename: String) }

9 // NSSharingService, Swift 4 open class NSSharingService : NSObject {... public struct Name : RawRepresentable, Equatable, Hashable { }... public init?(named servicename: NSSharingService.Name) } extension NSSharingService.Name { public static let compose NSSharingService.Name public static let composemessage: NSSharingService.Name public static let sendviaairdrop: NSSharingService.Name public static let addtosafarireadinglist: NSSharingService.Name... }

10 // NSSharingService, Swift 4 open class NSSharingService : NSObject {... public struct Name : RawRepresentable, Equatable, Hashable { }... public init?(named servicename: NSSharingService.Name) } extension NSSharingService.Name { public static let compose NSSharingService.Name public static let composemessage: NSSharingService.Name public static let sendviaairdrop: NSSharingService.Name public static let addtosafarireadinglist: NSSharingService.Name... }

11 // NSSharingService, Swift 4 open class NSSharingService : NSObject {... public struct Name : RawRepresentable, Equatable, Hashable { }... public init?(named servicename: NSSharingService.Name) } extension NSSharingService.Name { public static let compose NSSharingService.Name public static let composemessage: NSSharingService.Name public static let sendviaairdrop: NSSharingService.Name public static let addtosafarireadinglist: NSSharingService.Name... }

12 // NSSharingService, Swift 4 open class NSSharingService : NSObject {... public struct Name : RawRepresentable, Equatable, Hashable { }... public init?(named servicename: NSSharingService.Name) } extension NSSharingService.Name { public static let compose NSSharingService.Name public static let composemessage: NSSharingService.Name public static let sendviaairdrop: NSSharingService.Name public static let addtosafarireadinglist: NSSharingService.Name... }

13 // Swift 3 let s = NSSharingService(named: NSSharingServiceNameCompose ) // Swift 4 let s = NSSharingService(named:.compose )

14 // Swift 3 let s = NSSharingService(named: NSSharingServiceNameCompose ) // Swift 4 let s = NSSharingService(named:.compose )

15 // Swift 3 let s = NSSharingService(named: NSSharingServiceNameCompose ) // Swift 4 let s = NSSharingService(named:.compose )

16 // Swift 3 let s = NSSharingService(named: NSSharingServiceNameCompose ) // Swift 4 let s = NSSharingService(named:.compose )

17 // Swift 3 let s = NSSharingService(named: NSSharingServiceNameCompose ) // Swift 4 let s = NSSharingService(named:.compose )

18 Source Compatibility Objective-C

19 Source Compatibility Objective-C typedef NSString *NSSharingServiceName NS_EXTENSIBLE_STRING_ENUM; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameCompose ; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameComposeMessage; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameSendViaAirDrop; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameAddToSafariReadingList;...

20 Source Compatibility Objective-C typedef NSString *NSSharingServiceName NS_EXTENSIBLE_STRING_ENUM; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameCompose ; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameComposeMessage; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameSendViaAirDrop; APPKIT_EXTERN NSSharingServiceName const NSSharingServiceNameAddToSafariReadingList;... Source compatible

21 Source Compatibility Swift

22 Source Compatibility Swift // Swift 3 public let NSSharingServiceNameCompose String...

23 Source Compatibility Swift // Swift 3 public let NSSharingServiceNameCompose String... // Swift 4 public static let compose NSSharingService.Name...

24 Source Compatibility Swift // Swift 3 public let NSSharingServiceNameCompose String... // Swift 4 public static let compose NSSharingService.Name... Source compatible in Swift 3 mode

25 Source Compatibility Swift // Swift 3 public let NSSharingServiceNameCompose String... // Swift 4 public static let compose NSSharingService.Name... Source compatible in Swift 3 mode Migrator for moving to Swift 4

26 AppKit

27

28 Touch Bar

29 Touch Bar Escape Control Strip

30 Touch Bar Escape Application Region Control Strip

31 Multi-Touch Input Device with Retina Display

32 Multi-Touch Input Device with Retina Display

33 Context Sensitive

34 Context Sensitive

35 Context Sensitive

36 Context Sensitive

37 Context Sensitive

38 Context Sensitive

39 Customizable

40 Customizable

41 Customizable

42 Customizable

43 Customizable

44 Customizable

45 Customizable

46 Customizable

47 Customizable

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52 Unobstructed Access to Content

53 Unobstructed Access to Content

54 Touch Bar Updates NSColorPickerTouchBarItem NSGroupTouchBarItem Playground

55 Touch Bar Color Pickers

56 Touch Bar Color Pickers

57 Touch Bar Color Pickers

58 New Color Pickers

59 New Color Pickers

60 New Color Pickers

61 New Color Pickers

62 New Color Pickers

63 New Color Pickers

64 New Color Pickers

65 New Color Pickers

66 New Color Pickers

67 NSColorPickerTouchBarItem

68 NSColorPickerTouchBarItem open class NSColorPickerTouchBarItem : NSTouchBarItem {... open var allowedcolorspaces: [NSColorSpace]? }

69 NSColorPickerTouchBarItem

70 NSColorPickerTouchBarItem colorpicker.allowedcolorspaces = [.genericcmyk]

71 NSColorPickerTouchBarItem colorpicker.allowedcolorspaces = [.genericcmyk] colorpicker.allowedcolorspaces = [.genericgamma22gray]

72 NSGroupTouchBarItem Constructor for alert style

73 NSGroupTouchBarItem Constructor for alert style

74 NSGroupTouchBarItem Constructor for alert style

75 NSGroupTouchBarItem Constructor for alert style open class NSGroupTouchBarItem... {... public init(alertstylegroupitemwithidentifier: NSTouchBarItem.Identifier) }

76 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options

77 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options

78 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options

79 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options

80 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options open class NSGroupTouchBarItem... {... open var prioritizedcompressionoptions: [NSUserInterfaceCompressionOptions] }

81 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options Support for right-to-left interfaces

82 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options Support for right-to-left interfaces

83 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options Support for right-to-left interfaces

84 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options Support for right-to-left interfaces

85 NSGroupTouchBarItem Constructor for alert style Ability to specify compression options Support for right-to-left interfaces open class NSGroupTouchBarItem... {... open var groupuserinterfacelayoutdirection: NSUserInterfaceLayoutDirection }

86 Playground Support

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88

89 NSTouchBar Sessions and Lab Touch Bar Fundamentals Grand Ballroom A Wednesday 10:00AM Advanced Touch Bar Grand Ballroom A Wednesday 5:10PM Cocoa Touch Bar Lab Technology Lab C Thursday 9:00-11:00AM

90 Document Sharing In Sierra, we introduced: public static let cloudsharing: NSSharingService.Name

91

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102 Zero

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105 Document Sharing

106 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) }

107 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) }

108 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) }

109 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) }

110 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) } open class NSDocumentController... {... open var allowsautomaticsharemenu: Bool { get } open func standardsharemenuitem() -> NSMenuItem }

111 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) } open class NSDocumentController... {... open var allowsautomaticsharemenu: Bool { get } open func standardsharemenuitem() -> NSMenuItem }

112 Document Sharing open class NSDocument... {... open var allowsdocumentsharing: Bool { get } open func share(with sharingservice: NSSharingService, completionhandler: ((Bool) -> Void)? = nil) open func prepare(_ sharingservicepicker: NSSharingServicePicker) } open class NSDocumentController... {... open var allowsautomaticsharemenu: Bool { get } open func standardsharemenuitem() -> NSMenuItem }

113 Tabbed Windows

114 Tabbed Windows

115 Tabbed Windows

116 Tab Overview

117 Tab Overview

118 Tab Overview

119 Tab Overview

120 NSWindowTab open class NSWindowTab : NSObject { open var title: open var attributedtitle: NSAttributedString? open var tooltip: String! open var accessoryview: NSView? }

121 NSWindowTab open class NSWindowTab : NSObject { open var title: open var attributedtitle: NSAttributedString? open var tooltip: String! open var accessoryview: NSView? }

122 NSWindowTab open class NSWindowTab : NSObject { open var title: open var attributedtitle: NSAttributedString? open var tooltip: String! open var accessoryview: NSView? }

123 NSWindowTab open class NSWindowTab : NSObject { open var title: open var attributedtitle: NSAttributedString? open var tooltip: String! open var accessoryview: NSView? }

124 NSWindowTab open class NSWindowTab : NSObject { open var title: open var attributedtitle: NSAttributedString? open var tooltip: String! open var accessoryview: NSView? }

125 NSWindowTabGroup open class NSWindowTabGroup : NSObject { open var identifier: NSWindow.TabbingIdentifier { get } open var isoverviewvisible: Bool open var istabbarvisible: Bool { get } open var windows: [NSWindow] { get } weak open var selectedwindow: NSWindow? } open func addwindow(_ window: NSWindow) open func insertwindow(_ window: NSWindow, at index: Int) open func removewindow(_ window: NSWindow)

126 NSWindowTabGroup open class NSWindowTabGroup : NSObject { open var identifier: NSWindow.TabbingIdentifier { get } open var isoverviewvisible: Bool open var istabbarvisible: Bool { get } open var windows: [NSWindow] { get } weak open var selectedwindow: NSWindow? } open func addwindow(_ window: NSWindow) open func insertwindow(_ window: NSWindow, at index: Int) open func removewindow(_ window: NSWindow)

127 NSWindowTabGroup open class NSWindowTabGroup : NSObject { open var identifier: NSWindow.TabbingIdentifier { get } open var isoverviewvisible: Bool open var istabbarvisible: Bool { get } open var windows: [NSWindow] { get } weak open var selectedwindow: NSWindow? } open func addwindow(_ window: NSWindow) open func insertwindow(_ window: NSWindow, at index: Int) open func removewindow(_ window: NSWindow)

128 NSWindowTabGroup open class NSWindowTabGroup : NSObject { open var identifier: NSWindow.TabbingIdentifier { get } open var isoverviewvisible: Bool open var istabbarvisible: Bool { get } open var windows: [NSWindow] { get } weak open var selectedwindow: NSWindow? } open func addwindow(_ window: NSWindow) open func insertwindow(_ window: NSWindow, at index: Int) open func removewindow(_ window: NSWindow)

129 Opening URLs

130 Opening URLs public protocol NSApplicationDelegate {... optional func application(_ application: NSApplication, open urls: [URL]) }

131 NSCollectionView Prefetching

132 NSCollectionView

133 NSCollectionView Visible Items

134 NSCollectionView Visible Items

135 NSCollectionView Visible Items

136 NSCollectionView Visible Items Prefetched Items

137 NSCollectionView Prefetching open class NSCollectionView... {... weak open var prefetchdatasource: NSCollectionViewPrefetching? }

138 NSCollectionView Prefetching open class NSCollectionView... {... weak open var prefetchdatasource: NSCollectionViewPrefetching? } public protocol NSCollectionViewPrefetching... { public func collectionview(_ collectionview: NSCollectionView, prefetchitemsat: [IndexPath]) optional public func collectionview(_ collectionview: NSCollectionView, cancelprefetchingforitemsat: [IndexPath]) }

139 NSCollectionView Prefetching open class NSCollectionView... {... weak open var prefetchdatasource: NSCollectionViewPrefetching? } public protocol NSCollectionViewPrefetching... { public func collectionview(_ collectionview: NSCollectionView, prefetchitemsat: [IndexPath]) optional public func collectionview(_ collectionview: NSCollectionView, cancelprefetchingforitemsat: [IndexPath]) }

140 NSCollectionView Prefetching open class NSCollectionView... {... weak open var prefetchdatasource: NSCollectionViewPrefetching? } public protocol NSCollectionViewPrefetching... { public func collectionview(_ collectionview: NSCollectionView, prefetchitemsat: [IndexPath]) optional public func collectionview(_ collectionview: NSCollectionView, cancelprefetchingforitemsat: [IndexPath]) }

141 System Colors

142 System Colors open class NSColor... {... open class var systemblue: NSColor { get } open class var systembrown: NSColor { get } open class var systemgray: NSColor { get } open class var systemgreen: NSColor { get } open class var systemorange: NSColor { get } open class var systempink: NSColor { get } open class var systempurple: NSColor { get } open class var systemred: NSColor { get } open class var systemyellow: NSColor { get } }

143 System Colors open class NSColor... {... open class var systemblue: NSColor { get } open class var systembrown: NSColor { get } open class var systemgray: NSColor { get } open class var systemgreen: NSColor { get } open class var systemorange: NSColor { get } open class var systempink: NSColor { get } open class var systempurple: NSColor { get } open class var systemred: NSColor { get } open class var systemyellow: NSColor { get } }

144 Older Standard Colors Now in srgb

145 Older Standard Colors Now in srgb open class NSColor... { open class var red: NSColor { get } /* 1.0, 0.0, 0.0 RGB */ open class var green: NSColor { get } /* 0.0, 1.0, 0.0 RGB */ open class var yellow: NSColor { get } /* 1.0, 1.0, 0.0 RGB */... open class var gray: NSColor { get } /* 0.5 white */ open class var lightgray: NSColor { get } /* white */ open class var white: NSColor { get } /* 1.0 white */ }

146 Older Standard Colors Now in srgb open class NSColor... { open class var red: NSColor { get } /* 1.0, 0.0, 0.0 RGB */ open class var green: NSColor { get } /* 0.0, 1.0, 0.0 RGB */ open class var yellow: NSColor { get } /* 1.0, 1.0, 0.0 RGB */... open class var gray: NSColor { get } /* 0.5 white */ open class var lightgray: NSColor { get } /* white */ open class var white: NSColor { get } /* 1.0 white */ } These now use srgb or genericgamma22gray

147 Older Standard Colors Now in srgb open class NSColor... { open class var red: NSColor { get } /* 1.0, 0.0, 0.0 RGB */ open class var green: NSColor { get } /* 0.0, 1.0, 0.0 RGB */ open class var yellow: NSColor { get } /* 1.0, 1.0, 0.0 RGB */... open class var gray: NSColor { get } /* 0.5 white */ open class var lightgray: NSColor { get } /* white */ open class var white: NSColor { get } /* 1.0 white */ } These now use srgb or genericgamma22gray For apps linked against the SDK or later

148 Older Standard Colors Now in srgb Generic RGB open class NSColor... { open class var red: NSColor { get } /* 1.0, 0.0, 0.0 RGB */ open class var green: NSColor { get } /* 0.0, 1.0, 0.0 RGB */ open class var yellow: NSColor { get } /* 1.0, 1.0, 0.0 RGB */... open class var gray: NSColor { get } /* 0.5 white */ open class var lightgray: NSColor { get } /* white */ open class var white: NSColor { get } /* 1.0 white */ } These now use srgb or genericgamma22gray For apps linked against the SDK or later

149 Older Standard Colors Now in srgb Generic RGB srgb open class NSColor... { open class var red: NSColor { get } /* 1.0, 0.0, 0.0 RGB */ open class var green: NSColor { get } /* 0.0, 1.0, 0.0 RGB */ open class var yellow: NSColor { get } /* 1.0, 1.0, 0.0 RGB */... open class var gray: NSColor { get } /* 0.5 white */ open class var lightgray: NSColor { get } /* white */ open class var white: NSColor { get } /* 1.0 white */ } These now use srgb or genericgamma22gray For apps linked against the SDK or later

150 Colors in Asset Catalogs

151 Colors in Asset Catalogs

152 Colors in Asset Catalogs

153 Colors in Asset Catalogs open class NSColor... {... public init?(named name: NSColor.Name) public init?(named name: NSColor.Name, bundle: NSBundle?) }

154 NSAccessibilityCustomRotor

155 NSAccessibilityCustomRotor

156 NSAccessibilityCustomRotor public protocol NSAccessibility... {... func accessibilitycustomrotors() -> [NSAccessibilityCustomRotor] }

157 Property Clean-Up

158 Property Clean-Up // // NSWindow unowned(unsafe) open var firstresponder: NSResponder { get } // NSBox unowned(unsafe) open var contentview: NSView?...

159 Property Clean-Up // // NSWindow unowned(unsafe) open var firstresponder: NSResponder { get } // NSBox unowned(unsafe) open var contentview: NSView?... // // NSWindow weak open var firstresponder: NSResponder? { get } // NSBox open var contentview: NSView?...

160 Property Clean-Up // // NSWindow unowned(unsafe) open var firstresponder: NSResponder { get } // NSBox unowned(unsafe) open var contentview: NSView?... // // NSWindow weak open var firstresponder: NSResponder? { get } // NSBox open var contentview: NSView?...

161 Text

162 Text Improved handling of orphan text in NSTextField

163 Text Improved handling of orphan text in NSTextField CGGlyph-based APIs in NSFont, NSBezierPath

164 Text Improved handling of orphan text in NSTextField CGGlyph-based APIs in NSFont, NSBezierPath NSFontAssetRequest for downloading fonts

165 Text Improved handling of orphan text in NSTextField CGGlyph-based APIs in NSFont, NSBezierPath NSFontAssetRequest for downloading fonts Nastaliq script

166 Text Improved handling of orphan text in NSTextField CGGlyph-based APIs in NSFont, NSBezierPath NSFontAssetRequest for downloading fonts Nastaliq script

167 Text Improved handling of orphan text in NSTextField CGGlyph-based APIs in NSFont, NSBezierPath NSFontAssetRequest for downloading fonts Nastaliq script

168 Honorable Mentions

169 Honorable Mentions NSSegmentedControl alignment and distribution properties

170 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements

171 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements NSMenuItem allowskeyequivalentwhenhidden

172 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements NSMenuItem allowskeyequivalentwhenhidden NSTableView automatic variable row heights

173 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements NSMenuItem allowskeyequivalentwhenhidden NSTableView automatic variable row heights Asynchronous restorable state encoding

174 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements NSMenuItem allowskeyequivalentwhenhidden NSTableView automatic variable row heights Asynchronous restorable state encoding Improved handling of large items during dragging

175 Honorable Mentions NSSegmentedControl alignment and distribution properties NSLevelIndicator new look and API refinements NSMenuItem allowskeyequivalentwhenhidden NSTableView automatic variable row heights Asynchronous restorable state encoding Improved handling of large items during dragging Drawers - drop them

176 Container Views in Cocoa

177 Container Views in Cocoa NSBrowser NSTableView NSOutlineView NSCollectionView NSStackView NSGridView

178 Container Views in Cocoa NSBrowser NSTableView NSOutlineView NSCollectionView NSStackView NSGridView Choosing the Right Cocoa Container View Grand Ballroom A Wednesday 3:10PM

179

180 print(obj)

181

182 NSView and NSWindow.print() Renamed open class NSView... { }... open func printview(_ sender: Any?) open class NSWindow... { }... open func printwindow(_ sender: Any?)

183 NSView and NSWindow.print() Renamed open class NSView... { }... open func printview(_ sender: Any?) open class NSWindow... { }... open func printwindow(_ sender: Any?) Cocoa Development Tips Hall 2 Friday 9:00AM

184 Tweet Your Tips! Cocoa Development Tips Hall 2 Friday 9:00AM

185 Tweet Your Tips! Use #WWDC17 and #cocoatip Cocoa Development Tips Hall 2 Friday 9:00AM

186 Foundation Daphne Larose, Foundation

187 What s New in Foundation

188 What s New in Foundation Better support for key paths

189 What s New in Foundation Better support for key paths Encoding and Decoding in Swift

190 Improved Key Paths

191 Improved Key Paths New literal syntax

192 Improved Key Paths New literal syntax Type-safe

193 Improved Key Paths New literal syntax Type-safe Performant

194 Improved Key Paths New literal syntax Type-safe Performant #keypath(basetype.propertyname)

195 Improved Key Paths New literal syntax Type-safe Performant #keypath(basetype.propertyname) \BaseType.propertyName

196 Block-based Key-Value class DogOwner : NSObject dynamic var name: dynamic var dog: Dog? } var daphne = DogOwner(name: "Daphne") let observation = daphne.observe(\dogowner.dog) { (observed, change) in print("congrats on your new puppy \(observed.dogname)!") }

197 Block-based Key-Value class DogOwner : NSObject dynamic var name: dynamic var dog: Dog? } var daphne = DogOwner(name: "Daphne") let observation = daphne.observe(\dogowner.dog) { (observed, change) in print("congrats on your new puppy \(observed.dogname)!") }

198 Encoding and Decoding in Swift

199 Encoding and Decoding in Swift Swift types JSON, Property lists, etc.

200 Encoding and Decoding in Swift Swift types JSON, Property lists, etc. Deeply customizable

201 Encoding and Decoding in Swift Swift types JSON, Property lists, etc. Deeply customizable Easy to use

202 Encoding and Decoding in Swift Swift types JSON, Property lists, etc. Deeply customizable Easy to use struct Dog : Codable { let dogname: String let breed: BreedType }

203 Encoding and Decoding in Swift Swift types JSON, Property lists, etc. Deeply customizable Easy to use struct Dog : Codable { let dogname: String let breed: BreedType }

204 Related Session What s New in Foundation Hall 2 Wednesday 11:00AM

205 What s New in Foundation What s New in Foundation Hall 2 Wednesday 11:00AM

206 What Else is New in Foundation

207 What Else is New in Foundation New and enhanced API Available on both macos and ios

208 NSXPCConnection Can advertise intent to publish progress

209 NSXPCConnection Can advertise intent to publish MyServerProtocol -(void)performrequestwithreply:(void(^)(bool

210 NSXPCConnection Can advertise intent to publish MyServerProtocol -(NSProgress *)performrequestwithreply:(void(^)(bool

211 NSXPCConnection Can advertise intent to publish MyServerProtocol -(NSProgress *)performrequestwithreply:(void(^)(bool

212 NSXPCConnection Can advertise intent to publish MyServerProtocol -(NSProgress *)performrequestwithreply:(void(^)(bool Return progress before you reply

213 NSXPCConnection Can advertise intent to publish MyServerProtocol -(NSProgress *)performrequestwithreply:(void(^)(bool Return progress before you reply Updates performed asynchronously

214 URLSession

215 URLSession var sessionconfig = URLSessionConfiguration.default sessionconfig.waitsforconnectivity = true

216 URLSession var sessionconfig = URLSessionConfiguration.default sessionconfig.waitsforconnectivity = true Multipath TCP now available on ios

217 URLSession var sessionconfig = URLSessionConfiguration.default sessionconfig.waitsforconnectivity = true Multipath TCP now available on ios URLSessionTask supports NSProgressReporting protocol

218 URLSession var sessionconfig = URLSessionConfiguration.default sessionconfig.waitsforconnectivity = true Multipath TCP now available on ios URLSessionTask supports NSProgressReporting protocol Advances in Networking, Part 2 Executive Ballroom Wednesday 4:10PM

219 NSFileProviderService

220 NSFileProviderService Apps File Providers

221 NSFileProviderService Apps File Providers Discover file providers for any URL with NSFileManager

222 NSFileProviderService Apps File Providers Discover file providers for any URL with NSFileManager Apps can use file provider s specialized services

223 NSFileProviderService Apps File Providers Discover file providers for any URL with NSFileManager Apps can use file provider s specialized services File Provider Enhancements Hall 3 Friday 11:00AM

224 File Provider Communication

225 File Provider MyServerProtocol -(NSProgress *)performrequestwithreply:(void(^)(bool

226 File Provider Communication App File Provider

227 File Provider Communication App performrequestwithreply: File Provider

228 File Provider Communication App File Provider

229 File Provider Communication App Returns NSProgress File Provider

230 File Provider Communication App File Provider

231 File Provider Communication Downloads file App File Provider

232 File Provider Communication Downloads file App Updates progress File Provider

233 File Provider Communication App File Provider

234 File Provider Communication Download finishes App File Provider

235 File Provider Communication Download finishes App Updates progress File Provider

236 File Provider Communication App File Provider

237 File Provider Communication App File Provider Replies with requested file

238 Improved Available Storage Space API Check for available space more accurately public struct URLResourceValues { public var volumeavailablecapacityforimportantusage: Int64? { get } public var volumeavailablecapacityforopportunisticusage: Int64? { get } }

239 Improved Available Storage Space API Free Opportunistic Important

240 Improved Available Storage Space API Free Opportunistic Important

241 Improved Available Storage Space API Free Opportunistic Important

242 Improved Available Storage Space API Free Opportunistic Important

243 Improved Available Storage Space API Preflight check let fileurl = URL(fileURLWithPath: "/Path/to/file") let set: Set<URLResourceKey> = [URLResourceKey.volumeAvailableCapacityForOpportunisticUsageKey] if let fileresourcevalues = try? fileurl.resourcevalues(forkeys: set) { if (fileresourcevalues.volumeavailablecapacityforopportunisticusagekey > ) { // download additional file } }

244 Improved Available Storage Space API Preflight check let fileurl = URL(fileURLWithPath: "/Path/to/file") let set: Set<URLResourceKey> = [URLResourceKey.volumeAvailableCapacityForOpportunisticUsageKey] if let fileresourcevalues = try? fileurl.resourcevalues(forkeys: set) { if (fileresourcevalues.volumeavailablecapacityforopportunisticusagekey > ) { // download additional file } }

245 NSLinguisticTagger

246 NSLinguisticTagger Tagging a unit

247 NSLinguisticTagger Tagging a unit "Foundation is really cool. We write lots of code.\n"

248 NSLinguisticTagger Tagging a unit "Foundation is really cool. We write lots of code.\n" Word

249 NSLinguisticTagger Tagging a unit "Foundation is really cool. We write lots of code.\n" Sentence

250 NSLinguisticTagger Tagging a unit "Foundation is really cool. We write lots of code.\n" Paragraph

251 NSLinguisticTagger Tagging a unit be lot "Foundation is really cool. We write lots of code.\n" Lemmatization

252 NSLinguisticTagger

253 NSLinguisticTagger Redone and improved

254 NSLinguisticTagger Redone and improved Common case convenience methods added

255 NSLinguisticTagger Redone and improved Common case convenience methods added let text = "Ich weiß nicht was soll es bedeuten." let language = NSLinguisticTagger.dominantLanguage(for: text) // "de"

256 NSLinguisticTagger Redone and improved Common case convenience methods added let text = "Ich weiß nicht was soll es bedeuten." let language = NSLinguisticTagger.dominantLanguage(for: text) // "de" Natural Language Processing and your Apps Hall 3 Wednesday 9:00AM

257 JSONSerialization Supports sorted keys

258 JSONSerialization Supports sorted keys let dict = ["a": 1, "b": 2, "c": 3, "d": 4]

259 JSONSerialization Supports sorted keys let dict = ["a": 1, "b": 2, "c": 3, "d": 4] var data = try JSONSerialization.data(withJSONObject: dict, options: []) // {"b":2,"a":1,"c":3,"d":4}

260 JSONSerialization Supports sorted keys let dict = ["a": 1, "b": 2, "c": 3, "d": 4] var data = try JSONSerialization.data(withJSONObject: dict, options: []) // {"b":2,"a":1,"c":3,"d":4} data = try JSONSerialization.data(withJSONObject: dict, options:.sortedkeys)

261 JSONSerialization Supports sorted keys let dict = ["a": 1, "b": 2, "c": 3, "d": 4] var data = try JSONSerialization.data(withJSONObject: dict, options: []) // {"b":2,"a":1,"c":3,"d":4} data = try JSONSerialization.data(withJSONObject: dict, options:.sortedkeys) // {"a":1,"b":3,"c":4,"d":2}

262 NSItemProvider More explicit operations Supports progress and cancellation Enhance your custom classes to work with multiple representations

263 NSItemProvider More explicit operations Supports progress and cancellation Enhance your custom classes to work with multiple representations Data Delivery with Drag and Drop Hall 2 Thursday 10:00AM

264 NSUserActivity open class NSUserActivity : NSObject { open var webpageurl: URL?

265 NSUserActivity open class NSUserActivity : NSObject { open var webpageurl: URL? open var referrerurl: URL? // Set URL of webpage that referred webpageurl }

266 Failable APIs Better error handling Additional convenience methods that take URLs

267 Process Launching // NSTask +(nullable NSTask *)launchedtaskwithexecutableurl:(nsurl *)url arguments:(nsarray<nsstring *> *)arguments error:(out NSError ** _Nullable)error terminationhandler:(void(^_nullable)(nstask *))terminationhandler; // Process, Swift 4 open class func run(_ url: URL, arguments: [String], terminationhandler: ((Process) -> Void)? = nil) throws -> Process

268 NSDictionary and NSArray +(nullable NSDictionary<NSString*, ObjectType>*)dictionaryWithContentsOfURL:(NSURL *)url error:(nserror **)error; +(nullable NSArray<ObjectType>*)arrayWithContentsOfURL:(NSURL *)url error:(nserror **)error; -(BOOL)writeToURL:(NSURL *)url error:(nserror **)error;

269 NSLocalizedFailureErrorKey Customize what failed while keeping why it failed

270 NSLocalizedFailureErrorKey Customize what failed while keeping why it failed

271 NSLocalizedFailureErrorKey Customize what failed while keeping why it failed

272 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = ""

273 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) {

274 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) {

275 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) {

276 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) {

277 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) {

278 NSRange Range let greeting: String = "hello there swift" let re = NSRegularExpression(pattern: "[sw]ift") var found: String = "" let nsrange = NSRange(string.indices, in: string) for match in re.matches(in: string, range: nsrange) { found.append(range(match.rangeat(1), in: string)!) }

279 Performance Improvements

280 Performance Improvements Copy-on-write NSArray, NSDictionary, NSSet

281 Performance Improvements Copy-on-write NSArray, NSDictionary, NSSet struct Data inlining

282 Performance Improvements Copy-on-write NSArray, NSDictionary, NSSet struct Data inlining Faster calendrical calculations with lower peak memory

283 Performance Improvements Copy-on-write NSArray, NSDictionary, NSSet struct Data inlining Faster calendrical calculations with lower peak memory Faster bridging of NSNumber to and from Swift

284 Performance Improvements Copy-on-write NSArray, NSDictionary, NSSet struct Data inlining Faster calendrical calculations with lower peak memory Faster bridging of NSNumber to and from Swift Efficient Interactions with Frameworks Hall 2 Friday 1:50PM

285 NSArchiver and NSUnarchiver NSArchiver and NSUnarchiver replaced in 10.4 Now formally deprecated Old formats still supported Use NSKeyedArchiver

286 Additional Mentions

287 Additional Mentions Core Data highlights

288 Additional Mentions Core Data highlights Core Spotlight available on macos

289 Additional Mentions Core Data highlights Core Spotlight available on macos Thermal Notifications available on ios

290 Additional Mentions Core Data highlights Core Spotlight available on macos Thermal Notifications available on ios What s New in Cocoa Touch Hall 3 Tuesday 10:20AM What s New in Core Data Grand Ballroom B Wednesday 10:00AM What's New in Core Spotlight for ios and macos Grand Ballroom B Thursday 4:10PM

291 Wrap-Up API Refinements AppKit Foundation

292 Wrap-Up API Refinements AppKit Foundation Release Notes

293 More Information

294 Reminder Tweet your Cocoa development tips! Use #WWDC17 and #cocoatip Cocoa Development Tips Hall 2 Friday 9:00AM

295 Related Sessions What s New in Swift Hall 3 Tuesday 1:50PM Natural Language Processing and your Apps Hall 3 Wednesday 9:00AM What s New in Core Data Grand Ballroom B Wednesday 10:00AM Touch Bar Fundamentals Grand Ballroom A Wednesday 10:00AM What s New in Foundation Hall 2 Wednesday 11:00AM Choosing the Right Cocoa Container View Grand Ballroom A Wednesday 3:10PM Advances in Networking, Part 2 Executive Ballroom Wednesday 4:10PM

296 Related Sessions Advanced Touch Bar Grand Ballroom A Wednesday 5:10PM What's New in Core Spotlight for ios and macos Grand Ballroom B Thursday 4:10PM Cocoa Development Tips Hall 2 Friday 9:00AM File Provider Enhancements Hall 3 Friday 11:00AM Efficient Interactions with Frameworks Hall 2 Friday 1:50PM

297 Labs Cocoa Lab Technology Lab C Wed 11:00AM-1:00PM Foundation Lab Technology Lab C Wed 1:00-3:10PM Core Data Lab Technology Lab C Wed 3:10-5:30PM Cocoa Touch Bar Lab Technology Lab C Thu 9:00-11:00AM Text and Fonts Lab Technology Lab H Thu 1:50-3:50PM Core Data Lab Technology Lab H Thu 4:10-6:00PM Cocoa Lab Technology Lab B Fri 1:50-3:30PM

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