App Extension Best Practices
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- Logan Abel York
- 6 years ago
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Transcription
1 App Frameworks #WWDC15 App Extension Best Practices Session 224 Sophia Teutschler UIKit Engineer Ian Baird CoreOS Engineer 2015 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.
2 Agenda
3 Agenda Action and Share Extensions
4 Agenda Action and Share Extensions Today widget enhancements
5 Agenda Action and Share Extensions Today widget enhancements Real world examples
6 Action and Share Extensions
7 Action and Share Extensions Action Share
8 Action and Share Extensions Action Extensions Action
9 Action and Share Extensions Action Extensions Acts on the current content Action
10 Action and Share Extensions Action Extensions Acts on the current content Uses the content as the user interface Action
11 Action and Share Extensions Action Extensions Acts on the current content Uses the content as the user interface Opportunity to present additional options Action
12 Action and Share Extensions Action Extensions Acts on the current content Uses the content as the user interface Opportunity to present additional options App can provide multiple Action Extensions Action
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20 Action and Share Extensions Action Share
21 Action and Share Extensions Share
22 Action and Share Extensions Share Extensions Share
23 Action and Share Extensions Share Extensions Shares content to your app or web service Share
24 Action and Share Extensions Share Extensions Shares content to your app or web service Allows validation and editing Share
25 Action and Share Extensions Share Extensions Shares content to your app or web service Allows validation and editing Can use SLComposeServiceViewController Share
26 Action and Share Extensions Share Extensions Shares content to your app or web service Allows validation and editing Can use SLComposeServiceViewController Your app provides one Share Extension Share
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32 Action and Share Extensions SLComposeServiceViewController
33 Action and Share Extensions SLComposeServiceViewController
34 Action and Share Extensions SLComposeServiceViewController viewcontroller.placeholder = "Caption (Optional)"
35 Action and Share Extensions SLComposeServiceViewController viewcontroller.placeholder = "Caption (Optional)"
36 Action and Share Extensions SLComposeServiceViewController viewcontroller.charactersremaining = 80
37 Action and Share Extensions SLComposeServiceViewController viewcontroller.charactersremaining = 80
38 Action and Share Extensions SLComposeServiceViewController override func loadpreviewview() -> UIView! { } return FaceDetectingPreviewView( )
39 Action and Share Extensions SLComposeServiceViewController override func loadpreviewview() -> UIView! { } return FaceDetectingPreviewView( )
40 Action and Share Extensions SLComposeServiceViewController func configurationitems() -> [SLComposeSheetConfigurationItem]
41 Action and Share Extensions SLComposeServiceViewController func configurationitems() -> [SLComposeSheetConfigurationItem]
42 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
43 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
44 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
45 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
46 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
47 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
48 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
49 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
50 Action and Share Extensions SLComposeServiceViewController override func configurationitems() -> [AnyObject]! { let item = SLComposeSheetConfigurationItem() item.title = "Blog" item.value = "My Road Trips" item.taphandler = { let viewcontroller = BlogPickerViewController() self.pushconfigurationviewcontroller(viewcontroller) } } return [ item ]
51 Action and Share Extensions SLComposeServiceViewController viewcontroller.autocompletionviewcontroller = SuggestionViewController( )
52 Action and Share Extensions SLComposeServiceViewController viewcontroller.autocompletionviewcontroller = SuggestionViewController( )
53 Action and Share Extensions SLComposeServiceViewController
54 Action and Share Extensions SLComposeServiceViewController Provides consistent and familiar UI
55 Action and Share Extensions SLComposeServiceViewController Provides consistent and familiar UI Customizable
56 Action and Share Extensions SLComposeServiceViewController Provides consistent and familiar UI Customizable Completely custom UI using UIViewController
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58 Action and Share Extensions Being a good host kuttypeplaintext
59 Action and Share Extensions Being a good host kuttypepdf
60 Action and Share Extensions Being a good host kuttypehtml
61 Action and Share Extensions Being a good host
62 Action and Share Extensions Being a good host kuttypeplaintext kuttypepdf kuttypehtml
63 Action and Share Extensions Being a good host NSItemProvider kuttypeplaintext kuttypepdf kuttypehtml
64 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
65 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
66 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
67 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
68 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
69 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
70 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
71 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
72 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
73 Action and Share Extensions Being a good host let itemprovider = NSItemProvider() itemprovider.registeritemfortypeidentifier(kuttypeplaintext as String) { completionhandler, expectedclass, options in completionhandler(self.renderplaintextdocumentstring(), nil) } itemprovider.registeritemfortypeidentifier(kuttypepdf as String) { completionhandler, expectedclass, options in completionhandler(self.renderpdfdocument(), nil) } let vc = UIActivityViewController(activityItems: [ itemprovider ], applicationactivities: nil) self.presentviewcontroller(vc, animated: true, completion: nil)
74 Action and Share Extensions Being a good host
75 Action and Share Extensions Being a good host Host apps should offer content previews
76 Action and Share Extensions Being a good host Host apps should offer content previews Represents what will be shared
77 Action and Share Extensions Being a good host Host apps should offer content previews Represents what will be shared Simple and efficient representation of the content
78 Action and Share Extensions Being a good host itemprovider.previewimagehandler = { completionhandler, expectedclass, options in completionhandler(self.renderthumbnail(), nil) }
79 Action and Share Extensions Being a good host itemprovider.previewimagehandler = { completionhandler, expectedclass, options in completionhandler(self.renderthumbnail(), nil) }
80 Action and Share Extensions Being a good host itemprovider.previewimagehandler = { completionhandler, expectedclass, options in completionhandler(self.renderthumbnail(), nil) }
81 Action and Share Extensions Being a good host itemprovider.previewimagehandler = { completionhandler, expectedclass, options in completionhandler(self.renderthumbnail(), nil) }
82 Action and Share Extensions Activation rules
83 Action and Share Extensions Activation rules Host App kuttypeimage kuttypemovie
84 Action and Share Extensions Activation rules Host App NSExtensionActivationSupportsImage Extension kuttypeimage NSExtensionActivationSupportsMovie Extension NSExtensionActivationSupportsImage NSExtensionActivationSupportsMovie Extension kuttypemovie
85 Action and Share Extensions Activation rules Host App NSExtensionActivationSupportsImage Extension kuttypeimage NSExtensionActivationSupportsMovie Extension NSExtensionActivationSupportsImage NSExtensionActivationSupportsMovie Extension kuttypemovie
86 Action and Share Extensions Activation rules Host App NSExtensionActivationSupportsImage Extension kuttypeimage NSExtensionActivationSupportsMovie Extension NSExtensionActivationSupportsImage NSExtensionActivationSupportsMovie Extension kuttypemovie
87 Action and Share Extensions Activation rules Host App NSExtensionActivationSupportsImage Extension kuttypeimage NSExtensionActivationSupportsMovie Extension NSExtensionActivationSupportsImage NSExtensionActivationSupportsMovie Extension kuttypemovie
88 Action and Share Extensions Activation rules
89 Action and Share Extensions Activation rules
90 Action and Share Extensions Activation rules
91 Action and Share Extensions Activation rules Host App NSExtensionActivationSupportsImage Extension kuttypeimage NSExtensionActivationSupportsMovie Extension NSExtensionActivationSupportsImage NSExtensionActivationSupportsMovie Extension kuttypemovie
92 Action and Share Extensions Activation rules SUBQUERY(extensionItems, $extensionitem, SUBQUERY($extensionItem.attachments, $attachment, ANY $attachment.registeredtypeidentifiers UTI-CONFORMS-TO == == 1 OR SUBQUERY(extensionItems, $extensionitem, SUBQUERY($extensionItem.attachments, $attachment, ANY $attachment.registeredtypeidentifiers UTI-CONFORMS-TO "com.adobe.pdf").@count == 1).@count == 1
93 Action and Share Extensions Activation rules SUBQUERY(extensionItems, $extensionitem, SUBQUERY($extensionItem.attachments, $attachment, ANY $attachment.registeredtypeidentifiers UTI-CONFORMS-TO == == 1 OR SUBQUERY(extensionItems, $extensionitem, SUBQUERY($extensionItem.attachments, $attachment, ANY $attachment.registeredtypeidentifiers UTI-CONFORMS-TO "com.adobe.pdf").@count == 1).@count == 1
94 Action and Share Extensions Icons
95 Action and Share Extensions Icons Share Extensions use the containing app icon
96 Action and Share Extensions Icons Share Extensions use the containing app icon No additional work needed
97 Action and Share Extensions Icons
98 Action and Share Extensions Icons Action Extensions require template images
99 Action and Share Extensions Icons Action Extensions require template images Two sizes for iphone and ipad
100 Action and Share Extensions Icons Action Extensions require template images Two sizes for iphone and ipad Reside in the extension bundle
101 Action and Share Extensions Icons
102 Action and Share Extensions Action icons
103 Action and Share Extensions Action icons 60pt 76pt
104 Action and Share Extensions Action icons 29pt 40pt 60pt 76pt
105 Today Widget Enhancements Ian Baird CoreOS Engineer
106 Today Widget Enhancements Quick information at a glance
107 Today Widget Enhancements Quick information at a glance Enhance your Today widget
108 Today Widget Enhancements Quick information at a glance Enhance your Today widget General best practices
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113 Working with the Containing App URL handlers Interactions use URLs to take user to app
114 Working with the Containing App URL handlers Interactions use URLs to take user to app Best practices
115 Working with the Containing App URL handlers Interactions use URLs to take user to app Best practices Use your app s registered URL schemes
116 Working with the Containing App URL handlers Interactions use URLs to take user to app Best practices Use your app s registered URL schemes System URL schemes
117 Working with the Containing App URL handlers Interactions use URLs to take user to app. Best practices Use your app s registered URL schemes System URL schemes func tableview(, didselectrowatindexpath indexpath: NSIndexPath) { let selectedname = names[indexpath.row] let URL = NSURL(string: "my-app://name=\(selectedname)")! extensioncontext!.openurl(url) { success in print("openurl returned: \(success)") } }
118 Working with the Containing App URL handlers Interactions use URLs to take user to app. Best practices Use your app s registered URL schemes System URL schemes func tableview(, didselectrowatindexpath indexpath: NSIndexPath) { let selectedname = names[indexpath.row] let URL = NSURL(string: "my-app://name=\(selectedname)")! extensioncontext!.openurl(url) { success in print("openurl returned: \(success)") } }
119 Working with the Containing App URL handlers Interactions use URLs to take user to app. Best practices Use your app s registered URL schemes System URL schemes func tableview(, didselectrowatindexpath indexpath: NSIndexPath) { let selectedname = names[indexpath.row] let URL = NSURL(string: "my-app://name=\(selectedname)")! extensioncontext!.openurl(url) { success in print("openurl returned: \(success)") } }
120 Working with the Containing App URL handlers Interactions use URLs to take user to app. Best practices Use your app s registered URL schemes System URL schemes func tableview(, didselectrowatindexpath indexpath: NSIndexPath) { let selectedname = names[indexpath.row] let URL = NSURL(string: "my-app://name=\(selectedname)")! extensioncontext!.openurl(url) { success in print("openurl returned: \(success)") } }
121 Working with the Containing App App groups Defaults
122 Working with the Containing App App groups Defaults Containers
123 Working with the Containing App App groups Defaults Containers Keychain items
124 Working with the Containing App App groups Defaults Containers Keychain items Framework data
125 Working with the Containing App User defaults
126 Working with the Containing App User defaults Used for small pieces of configuration data
127 Working with the Containing App User defaults Used for small pieces of configuration data let defaults = NSUserDefaults.initWithSuiteName("group.com.example.my-app")
128 Working with the Containing App What goes in a shared container? Model data
129 Working with the Containing App What goes in a shared container? Model data Documents
130 Working with the Containing App What goes in a shared container? Model data Documents Media
131 Working with the Containing App Working with model data in the shared container lazy var secureappgrouppersistentstoreurl: NSURL = { let fm = NSFileManager.defaultManager() let directory = fm.containerurlforsecurityapplicationgroupidentifier("group.com.example.myapp")! return directory.urlbyappendingpathcomponent("myfilename.sqlite") }()
132 Working with the Containing App Working with model data in the shared container lazy var secureappgrouppersistentstoreurl: NSURL = { let fm = NSFileManager.defaultManager() let directory = fm.containerurlforsecurityapplicationgroupidentifier("group.com.example.myapp")! return directory.urlbyappendingpathcomponent("myfilename.sqlite") }()
133 Working with the Containing App Working with model data in the shared container lazy var secureappgrouppersistentstoreurl: NSURL = { let fm = NSFileManager.defaultManager() let directory = fm.containerurlforsecurityapplicationgroupidentifier("group.com.example.myapp")! return directory.urlbyappendingpathcomponent("myfilename.sqlite") }()
134 Working with the Containing App Working with model data in the shared container lazy var secureappgrouppersistentstoreurl: NSURL = { let fm = NSFileManager.defaultManager() let directory = fm.containerurlforsecurityapplicationgroupidentifier("group.com.example.myapp")! return directory.urlbyappendingpathcomponent("myfilename.sqlite") }()
135 Working with the Containing App Working with model data in the shared container lazy var secureappgrouppersistentstoreurl: NSURL = { let fm = NSFileManager.defaultManager() let directory = fm.containerurlforsecurityapplicationgroupidentifier("group.com.example.myapp")! return directory.urlbyappendingpathcomponent("myfilename.sqlite") }()
136 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
137 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
138 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
139 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
140 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
141 Working with the Containing App Working with model data in the shared container lazy var persistentstorecoordinator: NSPersistentStoreCoordinator = { let storecoordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedobjectmodel) let storeurl = self.secureappgrouppersistentstoreurl do { try storecoordinator.addpersistentstorewithtype(nssqlitestoretype, configuration: nil, URL: storeurl, options: [NSMigratePersistentStoresAutomaticallyOption: true, NSInferMappingModelAutomaticallyOption, true]) } catch let error as NSError { // handle error } return storecoordinator }()
142 Working with the Containing App Working with model data in the shared container lazy var managedobjectcontext: NSManagedObjectContext = { let coordinator = self.persistentstorecoordinator var managedobjectcontext = NSManagedObjectContext(concurrencyType:.MainQueueConcurrencyType) managedobjectcontext.persistentstorecoordinator = coordinator return managedobjectcontext }()
143 Working with the Containing App Working with model data in the shared container lazy var managedobjectcontext: NSManagedObjectContext = { let coordinator = self.persistentstorecoordinator var managedobjectcontext = NSManagedObjectContext(concurrencyType:.MainQueueConcurrencyType) managedobjectcontext.persistentstorecoordinator = coordinator return managedobjectcontext }()
144 Working with the Containing App Working with model data in the shared container lazy var managedobjectcontext: NSManagedObjectContext = { let coordinator = self.persistentstorecoordinator var managedobjectcontext = NSManagedObjectContext(concurrencyType:.MainQueueConcurrencyType) managedobjectcontext.persistentstorecoordinator = coordinator return managedobjectcontext }()
145 Working with the Containing App Working with model data in the shared container lazy var managedobjectcontext: NSManagedObjectContext = { let coordinator = self.persistentstorecoordinator var managedobjectcontext = NSManagedObjectContext(concurrencyType:.MainQueueConcurrencyType) managedobjectcontext.persistentstorecoordinator = coordinator return managedobjectcontext }()
146 Staying Responsive Locking in the shared container
147 Staying Responsive Locking in the shared container Be careful taking exclusive locks for data in the shared container
148 Staying Responsive Locking in the shared container Be careful taking exclusive locks for data in the shared container Extension killed if it s suspended while holding an exclusive lock
149 Staying Responsive Task assertions Extensions suspended when no longer in use
150 Staying Responsive Task assertions Extensions suspended when no longer in use Protect serialization and other clean-up tasks with background task assertions
151 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } }
152 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } }
153 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } }
154 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } }
155 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == false
156 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == false > perform protected task
157 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == true
158 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == true -> cancel protected task
159 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } exit the block -> task assertion is released
160 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == true
161 Staying Responsive Task assertions let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { self.serializedata() } else { self.cleanupserializingdata() } } expired == true -> cancel any work and exit the block
162 Staying Responsive Task assertions Released when your code exits the block
163 Staying Responsive Task assertions Released when your code exits the block Re-entrant execution of callback for expiration
164 Staying Responsive Task assertions Released when your code exits the block Re-entrant execution of callback for expiration Task assertions are not always available for your extension
165 Staying Responsive Working with other queues Task assertion scoped to callback block
166 Staying Responsive Working with other queues Task assertion scoped to callback block Callback block must synchronize with protected work on other queues
167 Staying Responsive Working with other queues Task assertion scoped to callback block Callback block must synchronize with protected work on other queues Example
168 Staying Responsive Working with other queues Task assertion scoped to callback block Callback block must synchronize with protected work on other queues Example Dispatch block to the main queue
169 Staying Responsive Working with the main queue let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { dispatch_async(dispatch_get_main_queue(), { self.performinterruptiblework() }) } else { self.canceled = true } }
170 Staying Responsive Working with the main queue let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { dispatch_async(dispatch_get_main_queue(), { self.performinterruptiblework() }) } else { self.canceled = true } }
171 Staying Responsive Working with the main queue let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { dispatch_sync(dispatch_get_main_queue(), { self.performinterruptiblework() }) } else { self.canceled = true } }
172 Staying Responsive Working with the main queue let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { dispatch_sync(dispatch_get_main_queue(), { self.performinterruptiblework() }) } else { self.canceled = true } }
173 Staying Responsive Working with the main queue let pi = NSProcessInfo.processInfo() pi.performexpiringactivitywithreason("clean-up") { expired in if (!expired) { dispatch_sync(dispatch_get_main_queue(), { self.performinterruptiblework() }) } else { self.canceled = true } } Callback block is executing on a private system queue
174 Staying Up to Date Darwin Notification Center Similar to NSNotificationCenter
175 Staying Up to Date Darwin Notification Center Similar to NSNotificationCenter
176 Staying Up to Date Darwin Notification Center Similar to NSNotificationCenter Small number of use-cases
177 Staying Up to Date Darwin Notification Center Similar to NSNotificationCenter Small number of use-cases Example
178 Staying Up to Date Darwin Notification Center Similar to NSNotificationCenter Small number of use-cases Example Hint to your extension to reload the model
179 Staying Up to Date Containing app API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterPostNotification(nc, "com.example.app-model-updated", nil, nil, CFBooleanGetValue(true))
180 Staying Up to Date Containing app API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterPostNotification(nc, "com.example.app-model-updated", nil, nil, CFBooleanGetValue(true))
181 Staying Up to Date Containing app API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterPostNotification(nc, "com.example.app-model-updated", nil, nil, CFBooleanGetValue(true))
182 Staying Up to Date Containing app API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterPostNotification(nc, "com.example.app-model-updated", nil, nil, CFBooleanGetValue(true))
183 Staying Up to Date Extension API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterAddObserver(nc, nil, { _ in self.reloadmodel() }, "com.example.app-model-updated", nil,.deliverimmediately)
184 Staying Up to Date Extension API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterAddObserver(nc, nil, { _ in self.reloadmodel() }, "com.example.app-model-updated", nil,.deliverimmediately)
185 Staying Up to Date Extension API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterAddObserver(nc, nil, { _ in self.reloadmodel() }, "com.example.app-model-updated", nil,.deliverimmediately)
186 Staying Up to Date Extension API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterAddObserver(nc, nil, { _ in self.reloadmodel() }, "com.example.app-model-updated", nil,.deliverimmediately)
187 Staying Up to Date Extension API let nc = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterAddObserver(nc, nil, { _ in self.reloadmodel() }, "com.example.app-model-updated", nil,.deliverimmediately)
188 Background Refresh Keeping your widget up to date
189
190 Background Refresh
191 Background Refresh AAPL: $132.12
192
193
194 Background Refresh Updating the widget System opportunistically refreshes content
195 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding
196 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method
197 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method func widgetperformupdatewithcompletionhandler(completionhandler: ((NCUpdateResult) -> Void)) { let updated = refreshthemodel() if (updated) { view.setneedsdisplay() } completionhandler(updated?.newdata :.NoData) }
198 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method func widgetperformupdatewithcompletionhandler(completionhandler: ((NCUpdateResult) -> Void)) { let updated = refreshthemodel() if (updated) { view.setneedsdisplay() } completionhandler(updated?.newdata :.NoData) }
199 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method func widgetperformupdatewithcompletionhandler(completionhandler: ((NCUpdateResult) -> Void)) { let updated = refreshthemodel() if (updated) { view.setneedsdisplay() } completionhandler(updated?.newdata :.NoData) }
200 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method func widgetperformupdatewithcompletionhandler(completionhandler: ((NCUpdateResult) -> Void)) { let updated = refreshthemodel() if (updated) { view.setneedsdisplay() } completionhandler(updated?.newdata :.NoData) }
201 Background Refresh Updating the widget System opportunistically refreshes content View controller conforms to NCWidgetProviding Implements update delegate method func widgetperformupdatewithcompletionhandler(completionhandler: ((NCUpdateResult) -> Void)) { let updated = refreshthemodel() if (updated) { view.setneedsdisplay() } completionhandler(updated?.newdata :.NoData) }
202
203
204 Networking Background sessions
205 Networking NSURLSession Background sessions
206 Networking NSURLSession Background sessions Task performed by the system
207 Networking NSURLSession Background sessions Task performed by the system Updates delivered to your extension as long as it stays alive
208 Networking NSURLSession Background sessions Task performed by the system Updates delivered to your extension as long as it stays alive Error and event handled by the containing app
209 Networking NSURLSession Background sessions Task performed by the system Updates delivered to your extension as long as it stays alive Error and event handled by the containing app
210 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
211 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
212 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
213 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: let task = session.downloadtaskwithrequest(request) task?.resume()
214 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
215 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
216 Networking Extension API let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier( "com.example.my-download-session") sc.sharedcontaineridentifier = "group.com.example.my-app" let session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) let request = NSURLRequest(URL: NSURL(string: " let task = session.downloadtaskwithrequest(request) task?.resume()
217 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
218 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
219 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
220 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
221 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
222 Networking Containing app API func application(application: UIApplication, handleeventsforbackgroundurlsession identifier: String, completionhandler: () -> Void) { guard (identifier == "com.example.my-download-session") else { return } let sc = NSURLSessionConfiguration.backgroundSessionConfigurationWithIdentifier(identi fier) sc.sharedcontaineridentifier = "group.com.example.my-app" self.session = NSURLSession(configuration: sc, delegate: self, delegatequeue: NSOperationQueue.mainQueue()) self.completionhandler = completionhandler }
223 Networking Containing app API func URLSessionDidFinishEventsForBackgroundURLSession(session: NSURLSession){ let sc = session.configuration guard (sc.identifier == "com.example.my-download-session") else { return } self.completionhandler!() self.session = nil }
224 Networking Containing app API func URLSessionDidFinishEventsForBackgroundURLSession(session: NSURLSession){ let sc = session.configuration guard (sc.identifier == "com.example.my-download-session") else { return } self.completionhandler!() self.session = nil }
225 Networking Containing app API func URLSessionDidFinishEventsForBackgroundURLSession(session: NSURLSession){ let sc = session.configuration guard (sc.identifier == "com.example.my-download-session") else { return } self.completionhandler!() self.session = nil }
226 Networking Containing app API func URLSessionDidFinishEventsForBackgroundURLSession(session: NSURLSession){ let sc = session.configuration guard (sc.identifier == "com.example.my-download-session") else { return } self.completionhandler!() self.session = nil }
227 Networking Containing app API func URLSessionDidFinishEventsForBackgroundURLSession(session: NSURLSession){ let sc = session.configuration guard (sc.identifier == "com.example.my-download-session") else { return } self.completionhandler!() self.session = nil }
228 Networking watchos Use background task assertions to protect small tasks
229 Networking watchos Use background task assertions to protect small tasks WatchKit Tips and Tricks Presidio Friday 10:00AM
230 Sharing Secrets keychain-access-groups entitlement
231 Sharing Secrets API // Add an item SecItemAdd({ ksecattraccessgroup: "com.example.your-app-group"}, result: NULL)
232 Sharing Secrets API // Add an item SecItemAdd({ ksecattraccessgroup: "com.example.your-app-group"}, result: NULL)
233 Sharing Secrets API // Add an item SecItemAdd({ ksecattraccessgroup: "com.example.your-app-group"}, result: NULL)
234 Sharing Secrets API Automatic search behavior for query API Security and Your Apps Mission Tuesday 4:30PM
235 Sharing Secrets API Automatic search behavior for query API SecItemUpdate Security and Your Apps Mission Tuesday 4:30PM
236 Sharing Secrets API Automatic search behavior for query API SecItemUpdate SecItemDelete Security and Your Apps Mission Tuesday 4:30PM
237 Sharing Secrets API Automatic search behavior for query API SecItemUpdate SecItemDelete SecItemCopyMatching Security and Your Apps Mission Tuesday 4:30PM
238 Sharing Secrets API Automatic search behavior for query API SecItemUpdate SecItemDelete SecItemCopyMatching Security and Your Apps Mission Tuesday 4:30PM
239 Summary Action and Share Extensions
240 Summary Action and Share Extensions Enhanced Today widget
241 Summary Action and Share Extensions Enhanced Today widget General best practices
242 Related Sessions WatchKit Tips and Tricks Presidio Friday 10:00AM Security and Your Apps Mission Tuesday 4:30PM
243 More Information Documentation App Extension Programming Guide Technical Support Apple Developer Forums Developer Technical Support Sample Code Lister Sample Photo Editing Extension app-extensions General Inquiries Curt Rothert, App Frameworks Evangelist
244
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