3D Touch by Karol Kozub, Macoscope

1. 3D Touch Karol Kozub 2016-02-22

2. The device senses how much pressure you apply to the display

3. “An entirely new way to interact with your phone”

4. UITouch.force public class UITouch : NSObject { // … // Force of the touch, where 1.0 represents the force of an average touch public var force: CGFloat { get } // Maximum possible force with this input mechanism public var maximumPossibleForce: CGFloat { get } // … }

5. UITouch.force public class UITouch : NSObject { // … // Force of the touch, where 1.0 represents the force of an average touch public var force: CGFloat { get } // Maximum possible force with this input mechanism public var maximumPossibleForce: CGFloat { get } // … } For some reason equal to 6.66… on the iPhone 6s

6. UITouch.force public class UITouch : NSObject { // … // Force of the touch, where 1.0 represents the force of an average touch public var force: CGFloat { get } // Maximum possible force with this input mechanism public var maximumPossibleForce: CGFloat { get } // … }

7. Quick Actions

8. • Apps can have up to 4 • Added either through Info.plist • Or dynamically in code Quick Actions

9. Static Quick Actions

10. Static Quick Actions Required

11. Static Quick Actions Optional

12. Static Quick Actions Type

13. Static Quick Actions Title

14. Static Quick Actions Subtitle

15. Static Quick Actions Icon

16. Static Quick Actions Icon

17. Static Quick Actions User Info

18. System Icon Types iOS 9.0 iOS 9.1

19. Dynamic Quick Actions extension UIApplication { // Register shortcuts to display on the home screen, or retrieve currently registered shortcuts. @available(iOS 9.0, *) public var shortcutItems: [UIApplicationShortcutItem]? }

20. Dynamic Quick Actions @available(iOS 9.0, *) public class UIApplicationShortcutItem : NSObject, NSCopying, NSMutableCopying { public init(type: String, localizedTitle: String, localizedSubtitle: String?, icon: UIApplicationShortcutIcon?, userInfo: [NSObject : AnyObject]?) public convenience init(type: String, localizedTitle: String) // An application-specific string that identifies the type of action to perform. public var type: String { get } // Properties controlling how the item should be displayed on the home screen. public var localizedTitle: String { get } public var localizedSubtitle: String? { get } @NSCopying public var icon: UIApplicationShortcutIcon? { get } // Application-specific information needed to perform the action. // Will throw an exception if the NSDictionary is not plist-encodable. public var userInfo: [String : NSSecureCoding]? { get } } extension UIApplication { // Register shortcuts to display on the home screen, or retrieve currently registered shortcuts. @available(iOS 9.0, *) public var shortcutItems: [UIApplicationShortcutItem]? }

21. Dynamic Quick Actions @available(iOS 9.0, *) public class UIApplicationShortcutItem : NSObject, NSCopying, NSMutableCopying { public init(type: String, localizedTitle: String, localizedSubtitle: String?, icon: UIApplicationShortcutIcon?, userInfo: [NSObject : AnyObject]?) public convenience init(type: String, localizedTitle: String) // An application-specific string that identifies the type of action to perform. public var type: String { get } // Properties controlling how the item should be displayed on the home screen. public var localizedTitle: String { get } public var localizedSubtitle: String? { get } @NSCopying public var icon: UIApplicationShortcutIcon? { get } // Application-specific information needed to perform the action. // Will throw an exception if the NSDictionary is not plist-encodable. public var userInfo: [String : NSSecureCoding]? { get } } extension UIApplication { // Register shortcuts to display on the home screen, or retrieve currently registered shortcuts. @available(iOS 9.0, *) public var shortcutItems: [UIApplicationShortcutItem]? } Required Optional

22. Dynamic Quick Actions let iconTypeIcon = UIApplicationShortcutIcon(type: .Search) let iconTypeItem = UIApplicationShortcutItem(type: "icon-type-item", localizedTitle: "Search", localizedSubtitle: "icon from an icon type", icon: iconTypeIcon, userInfo: nil) let templateIcon = UIApplicationShortcutIcon(templateImageName: "triangle") let templateItem = UIApplicationShortcutItem(type: "template-item", localizedTitle: "Triangle", localizedSubtitle: "icon from template image", icon: templateIcon, userInfo: nil) let contactStoreContactIcon = UIApplicationShortcutIcon(contact: contactFromContactStore) let contactStoreContactItem = UIApplicationShortcutItem(type: "real-contact-item", localizedTitle: "Karol", localizedSubtitle: "icon from real contact", icon: contactStoreContactIcon, userInfo: nil) let temporaryContact = CNMutableContact() temporaryContact.givenName = "Hiro"; temporaryContact.familyName = "Protagonist"; // this will be ignored temporaryContact.imageData = UIImagePNGRepresentation(UIImage(named: "triangle")!) let temporaryContactIcon = UIApplicationShortcutIcon(contact: temporaryContact) let temporaryContactItem = UIApplicationShortcutItem(type: "temporary-contact-item", localizedTitle: "Hiro", localizedSubtitle: "icon from tmp contact", icon: temporaryContactIcon, userInfo: nil) UIApplication.sharedApplication().shortcutItems = [iconTypeItem, templateItem, contactStoreContactItem, temporaryContactItem]

28. Handling Quick Actions public protocol UIApplicationDelegate : NSObjectProtocol { // … // Called when the user activates your application by // selecting a shortcut on the home screen, // except when -application:willFinishLaunchingWithOptions: or // -application:didFinishLaunchingWithOptions returns NO. @available(iOS 9.0, *) optional public func application(application: UIApplication, performActionForShortcutItem shortcutItem: UIApplicationShortcutItem, completionHandler: (Bool) -> Void) // … }

29. Handling Quick Actions public protocol UIApplicationDelegate : NSObjectProtocol { // … // Called when the user activates your application by // selecting a shortcut on the home screen, // except when -application:willFinishLaunchingWithOptions: or // -application:didFinishLaunchingWithOptions returns NO. @available(iOS 9.0, *) optional public func application(application: UIApplication, performActionForShortcutItem shortcutItem: UIApplicationShortcutItem, completionHandler: (Bool) -> Void) // … } Full-blown shortcut item

30. Handling Quick Actions public protocol UIApplicationDelegate : NSObjectProtocol { // … // Called when the user activates your application by // selecting a shortcut on the home screen, // except when -application:willFinishLaunchingWithOptions: or // -application:didFinishLaunchingWithOptions returns NO. @available(iOS 9.0, *) optional public func application(application: UIApplication, performActionForShortcutItem shortcutItem: UIApplicationShortcutItem, completionHandler: (Bool) -> Void) // … } Call when finished

31. Peek and Pop

32. • Press to Peek at what’s inside • Stop pressing to hide the preview • Press harder to Pop into the view Peek and Pop

33. Peek and Pop extension UIViewController { // Registers a view controller to participate with 3D Touch preview (peek) and commit (pop). @available(iOS 9.0, *) public func registerForPreviewingWithDelegate(delegate: UIViewControllerPreviewingDelegate, sourceView: UIView) -> UIViewControllerPreviewing @available(iOS 9.0, *) public func unregisterForPreviewingWithContext(previewing: UIViewControllerPreviewing) } @available(iOS 9.0, *) public protocol UIViewControllerPreviewingDelegate : NSObjectProtocol { // If you return nil, a preview presentation will not be performed @available(iOS 9.0, *) public func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? @available(iOS 9.0, *) public func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController) }

34. Peek and Pop class ViewController: UIViewController, UIViewControllerPreviewingDelegate { @IBOutlet weak var sourceView: UIView! override func viewDidLoad() { super.viewDidLoad() registerForPreviewingWithDelegate(self, sourceView: sourceView) } func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? { return PreviewedViewController() } func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController) { navigationController?.pushViewController(viewControllerToCommit, animated: false) } }

35. Peek and Pop class ViewController: UIViewController, UIViewControllerPreviewingDelegate { @IBOutlet weak var sourceView: UIView! override func viewDidLoad() { super.viewDidLoad() registerForPreviewingWithDelegate(self, sourceView: sourceView) } func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? { return PreviewedViewController() } func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController) { navigationController?.pushViewController(viewControllerToCommit, animated: false) } }

36. Peek and Pop public protocol UIViewControllerPreviewing : NSObjectProtocol { // This gesture can be used to cause the previewing presentation // to wait until one of your gestures fails or to allow simultaneous // recognition during the initial phase of the preview presentation. @available(iOS 9.0, *) public var previewingGestureRecognizerForFailureRelationship: UIGestureRecognizer { get } @available(iOS 9.0, *) public var delegate: UIViewControllerPreviewingDelegate { get } @available(iOS 9.0, *) public var sourceView: UIView { get } // This rect will be set to the bounds of sourceView before each call to // -previewingContext:viewControllerForLocation: @available(iOS 9.0, *) public var sourceRect: CGRect { get set } }

37. Peek and Pop class ViewController: UIViewController, UIViewControllerPreviewingDelegate { @IBOutlet weak var sourceView: UIView! override func viewDidLoad() { super.viewDidLoad() registerForPreviewingWithDelegate(self, sourceView: sourceView) } func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? { let rect = CGRectInset(previewingContext.sourceView.bounds, 20, 20) previewingContext.sourceRect = rect return PreviewedViewController() } func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController) { navigationController?.pushViewController(viewControllerToCommit, animated: false) } }

38. Peek and Pop class ViewController: UIViewController, UIViewControllerPreviewingDelegate { @IBOutlet weak var sourceView: UIView! override func viewDidLoad() { super.viewDidLoad() registerForPreviewingWithDelegate(self, sourceView: sourceView) } func previewingContext(previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? { return nil } func previewingContext(previewingContext: UIViewControllerPreviewing, commitViewController viewControllerToCommit: UIViewController) { navigationController?.pushViewController(viewControllerToCommit, animated: false) } }

39. Peek Quick Actions extension UIViewController { public func previewActionItems() -> [UIPreviewActionItem] } public protocol UIPreviewActionItem : NSObjectProtocol { public var title: String { get } } public class UIPreviewAction : NSObject, NSCopying, UIPreviewActionItem { public var handler: (UIPreviewActionItem, UIViewController) -> Void { get } public convenience init(title: String, style: UIPreviewActionStyle, handler: (UIPreviewAction, UIViewController) -> Void) } public class UIPreviewActionGroup : NSObject, NSCopying, UIPreviewActionItem { public convenience init(title: String, style: UIPreviewActionStyle, actions: [UIPreviewAction]) }

42. Peek Quick Actions class PreviewedViewController: UIViewController { override func previewActionItems() -> [UIPreviewActionItem] { let defaultStyleAction = UIPreviewAction(title: "Default Style", style: .Default) {action, controller in } let destructiveStyleAction = UIPreviewAction(title: "Destructive Style", style: .Destructive) {action, controller in } let selectedStyleAction = UIPreviewAction(title: "Selected Style", style: .Selected) {action, controller in } let actionGroup = UIPreviewActionGroup(title: "Group", style: .Default, actions: [defaultStyleAction, defaultStyleAction, defaultStyleAction]) return [defaultStyleAction, destructiveStyleAction, selectedStyleAction, actionGroup] } }

43. Peek Quick Actions class PreviewedViewController: UIViewController { override func previewActionItems() -> [UIPreviewActionItem] { let defaultStyleAction = UIPreviewAction(title: "Default Style", style: .Default) {action, controller in } let destructiveStyleAction = UIPreviewAction(title: "Destructive Style", style: .Destructive) {action, controller in } let selectedStyleAction = UIPreviewAction(title: "Selected Style", style: .Selected) {action, controller in } return [defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction, defaultStyleAction, destructiveStyleAction, selectedStyleAction] } }

44. Detecting 3D Touch public class UITraitCollection : NSObject, NSCopying, NSSecureCoding { // … public var forceTouchCapability: UIForceTouchCapability { get } // … } public enum UIForceTouchCapability : Int { case Unknown case Unavailable case Available }

45. Detecting 3D Touch public class UITraitCollection : NSObject, NSCopying, NSSecureCoding { // … public var forceTouchCapability: UIForceTouchCapability { get } // … } public enum UIForceTouchCapability : Int { case Unknown case Unavailable case Available } /*! Trait environments expose a trait collection that describes their environment. */ public protocol UITraitEnvironment : NSObjectProtocol { public var traitCollection: UITraitCollection { get } /*! To be overridden as needed to provide custom behavior when the environment's traits change. */ public func traitCollectionDidChange(previousTraitCollection: UITraitCollection?) }

46. Detecting 3D Touch public class UITraitCollection : NSObject, NSCopying, NSSecureCoding { // … public var forceTouchCapability: UIForceTouchCapability { get } // … } public enum UIForceTouchCapability : Int { case Unknown case Unavailable case Available } /*! Trait environments expose a trait collection that describes their environment. */ public protocol UITraitEnvironment : NSObjectProtocol { public var traitCollection: UITraitCollection { get } /*! To be overridden as needed to provide custom behavior when the environment's traits change. */ public func traitCollectionDidChange(previousTraitCollection: UITraitCollection?) } The following interface classes adopt this protocol: UIScreen, UIWindow, UIViewController, UIPresentationController, and UIView.

47. Summary • UITouch.force • Static Quick Actions • Dynamic Quick Actions • Peek and Pop • Peek Quick Actions • Detecting 3D Touch

53. Thank you for listening

3D Touch by Karol Kozub, Macoscope

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