View Controller Advancements for ios8
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- Albert Augustine Parker
- 6 years ago
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Transcription
1 Frameworks #WWDC14 View Controller Advancements for ios8 Session 214 Bruce D. Nilo Manager, UIKit Fundamentals 2014 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.
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3 viewwilltransitiontosize:withtransitioncoordinator: <UICoordinateSpace> UITraitCollection Condensing Bars UIPresentationController UIUserInterfaceSizeClass UISplitViewController Lots of new features UIPopoverPresentationController <UIContentContainer> targetviewcontrollerforaction:sender: UISearchController UIAlertController preferredcontentsizedidchangeforchildcontainer:
4 splitviewcontroller:shouldhideviewcontroller:inorientation: willanimaterotationtointerfaceorientation:duration: UIPopoverController splitviewcontroller:willhidecontroller:withbarbuttonitem:forpopovercontroller: didrotatetointerfaceorientation: UISearchDisplayController UIAlertView interfaceorientation UIActionSheet willrotatetointerfaceorientation:duration:
5 Some familiar APIs are getting retired
6 viewwilltransitiontosize:withtransitioncoordinator: UITraitCollection <UICoordinateSpace> Condensing Bars UIPresentationController UIUserInterfaceSizeClass UISplitViewController <UIContentContainer> UIPopoverPresentationController targetviewcontrollerforaction:sender: UISearchController UIAlertController splitviewcontroller:shouldhideviewcontroller:inorientation: willanimaterotationtointerfaceorientation:duration: UIPopoverController splitviewcontroller:willhidecontroller:withbarbuttonitem:forpopovercontroller: UIActionSheet UIAlertView UISearchDisplayController didrotatetointerfaceorientation: interfaceorientation willrotatetointerfaceorientation:duration: preferredcontentsizedidchangeforchildcontainer:
7 viewwilltransitiontosize:withtransitioncoordinator: UITraitCollection <UICoordinateSpace> Condensing Bars UIPresentationController UIUserInterfaceSizeClass UISplitViewController <UIContentContainer> UIPopoverPresentationController targetviewcontrollerforaction:sender: UISearchController UIAlertController splitviewcontroller:shouldhideviewcontroller:inorientation: willanimaterotationtointerfaceorientation:duration: UIPopoverController splitviewcontroller:willhidecontroller:withbarbuttonitem:forpopovercontroller: UIActionSheet UIAlertView UISearchDisplayController didrotatetointerfaceorientation: interfaceorientation willrotatetointerfaceorientation:duration: preferredcontentsizedidchangeforchildcontainer:
8 Overview A brief discussion about UIKit s new Adaptive APIs willrotatetointerfaceorientation:duration: New UISplitViewController features interfaceorientation Some new ways to condense and hide bars didrotatetointerfaceorientation: Presentations and popovers UISearchDisplayController New API that uses transition coordinators UIPopoverController Coordinate spaces willanimaterotationtointerfaceorientation:duration:
9 Support for Adaptive User Interfaces
10 Application Structure and Layout
11 Application Structure and Layout
12 Application Structure and Layout
13 Application Structure and Layout
14 Application Structure and Layout
15 Application Structure and Layout
16 Application Structure and Layout
17 Application Structure and Layout Before ios 8 Device type Interface Orientation Size
18 Application Structure and Layout Before ios 8 Device type Interface Orientation Size ios 8 and After Traits and trait collections Size
19 What s a trait collection?
20 What s a trait collection? It s a bag of traits
21 Trait Collections A bag of traits horizontalsizeclass Compact verticalsizeclass Regular userinterfaceidiom Phone displayscale 2.0
22 What s a size class?
23 What s a size class? It s a trait that coarsely defines the space available
24
25 x-sizeclass y-sizeclass idiom Compact Regular Phone scale 2.0
26 x-sizeclass y-sizeclass idiom Compact Compact Phone scale 2.0
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28 x-sizeclass y-sizeclass idiom Regular Regular Pad scale 1.0
29 x-sizeclass y-sizeclass idiom Regular Regular Pad scale 1.0
30 x-sizeclass y-sizeclass idiom Regular Regular Pad scale 1.0
31 x-sizeclass y-sizeclass idiom Regular Regular Pad scale x-sizeclass Compact
32 Application Structure and Layout
33 Application Structure and Layout A size class coarsely categorizes available space Horizontally Vertically
34 Application Structure and Layout A size class coarsely categorizes available space Horizontally Vertically Trait collection s vended from trait containers have both a horizontal and vertical size class trait
35 Trait Environments Legend Screen Window View Controller View
36 Trait UITraitEnvironment UITraitCollection *traitcollection;! - Legend Screen Window View Controller View
37 Trait UITraitEnvironment UITraitCollection *traitcollection;! - Legend Screen Window View Controller View
38 x-sizeclass Regular y-sizeclass idiom Regular Pad + x-sizeclass Compact scale 1.0 How does a parent view controller override the traits for a child?
39 x-sizeclass Regular y-sizeclass idiom Regular Pad + x-sizeclass Compact scale UIViewController <UITraitEnvironment>! - (void)setoverridetraitcollection: forchildviewcontroller:! - (UITraitCollection
40 Demo UISplitViewController DisplayMode and More
41 UISplitViewController
42 UISplitViewControllers can now be used on the phone
43 @interface BOOL
44 An expanded split view controller
45 An expanded split view controller
46 An expanded split view controller
47 An expanded split view controller
48 An expanded split view controller
49 An expanded split view controller
50 An expanded split view controller
51 A collapsed split view controller
52 UISplitViewController Split view controllers have a collapsed layout within horizontally compact containers e.g. phones otherwise they are expanded
53 UISplitViewController Can one enable an expanded split view controller on an iphone?
54 Embed a UISVC inside a containervc
55 Embed a UISVC inside a containervc
56 Embed a UISVC inside a containervc [containervc setoverridetraitcollection: c forchildviewcontroller:svc];
57 Embed a UISVC inside a containervc [containervc setoverridetraitcollection: c forchildviewcontroller:svc];
58 Once expanded use preferreddisplaymode
59 Once expanded use preferreddisplaymode svc.preferreddisplaymode = UISplitViewControllerDisplayModeAllVisible;
60 Once expanded use preferreddisplaymode svc.preferreddisplaymode = UISplitViewControllerDisplayModeAllVisible;
61 ( ) UISplitViewControllerDisplayMode preferreddisplaymode;! typedef NS_ENUM(NSInteger, UISplitViewControllerDisplayMode) { UISplitViewControllerDisplayModeAutomatic, UISplitViewControllerDisplayModePrimaryHidden, UISplitViewControllerDisplayModeAllVisible, UISplitViewControllerDisplayModePrimaryOverlay, };
62 ( ) UISplitViewControllerDisplayMode preferreddisplaymode;! typedef NS_ENUM(NSInteger, UISplitViewControllerDisplayMode) { UISplitViewControllerDisplayModeAutomatic, UISplitViewControllerDisplayModePrimaryHidden, UISplitViewControllerDisplayModeAllVisible, UISplitViewControllerDisplayModePrimaryOverlay, };
63 ( ) UISplitViewControllerDisplayMode preferreddisplaymode;! typedef NS_ENUM(NSInteger, UISplitViewControllerDisplayMode) { UISplitViewControllerDisplayModeAutomatic, UISplitViewControllerDisplayModePrimaryHidden, UISplitViewControllerDisplayModeAllVisible, UISplitViewControllerDisplayModePrimaryOverlay, };
64 ( ) UISplitViewControllerDisplayMode preferreddisplaymode;! typedef NS_ENUM(NSInteger, UISplitViewControllerDisplayMode) { UISplitViewControllerDisplayModeAutomatic, UISplitViewControllerDisplayModePrimaryHidden, UISplitViewControllerDisplayModeAllVisible, UISplitViewControllerDisplayModePrimaryOverlay, (readonly) UISplitViewControllerDisplayMode displaymode;! - (UIBarButtonItem *)displaymodebuttonitem;
65 You may also control the width of the split
66
67 svc.preferredprimarycolumnwidthfraction =.5;
68 svc.preferredprimarycolumnwidthfraction =.5;
69 UISplitViewController
70 (assign) CGFloat (assign) CGFloat CGFloat maximumprimarycolumnwidth; // The current primary view controller's column CGFloat primarycolumnwidth;
71 UISplitViewController What have we learned?
72 UISplitViewController What have we learned? Can be used on both the iphone AND ipad
73 UISplitViewController What have we learned? Can be used on both the iphone AND ipad Collapsed by default in horizontally compact environments
74 UISplitViewController What have we learned? Can be used on both the iphone AND ipad Collapsed by default in horizontally compact environments The animatable displaymode property controls the appearance of the primary
75 UISplitViewController What have we learned? Can be used on both the iphone AND ipad Collapsed by default in horizontally compact environments The animatable displaymode property controls the appearance of the primary The split width can be specified
76 There are many new UISVC adaptive APIs which customize how the UISVC collapses and separates
77 Condensing Bars
78
79 UINavigationController *navcontroller; navcontroller.hidesbarontap = YES;
80 UINavigationController *navcontroller; navcontroller.hidesbarontap = YES;
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82
83
84 UINavigationController *navcontroller; navcontroller.condensesbarsonswiped = YES;
85 UINavigationController *navcontroller; navcontroller.condensesbarsonswiped = YES;
86
87 Condensing Bars New UINavigationController API
88 Condensing Bars New UINavigationController API Automatic BOOL BOOL BOOL BOOL condensesbarswhenkeyboardappears
89 Condensing Bars New UINavigationController API Automatic BOOL BOOL BOOL BOOL condensesbarswhenkeyboardappears Manual BOOL navigationbarcondensed;
90 Presentation Controllers
91 Presentation Controllers ios 7 custom presentations Presenting View Controller View Controller to be Presented
92 Presentation Controllers ios 7 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented
93 Presentation Controllers ios 7 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented Transitioning Delegate
94 Presentation Controllers ios 7 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented Transitioning Delegate
95 Presentation Controllers ios 7 custom presentations UIModalPresentationCustom Presenting View Controller <UIVIewControllerContextTransitioning> containerview viewcontrollerforkey intialframeforviewcontroller View Controller to be Presented Transitioning Delegate finalframeforviewcontroller presentationstyle AnimationController
96 Presentation Controllers ios 7 custom presentations UIModalPresentationCustom Presenting View Controller presentedviewcontroller View Controller to be Presented Transitioning Delegate
97 Presentation Controllers ios 7 Custom Presentation Limitations Presenting VC s View
98 Presentation Controllers ios 7 Custom Presentation Limitations Container View AnimationController Presenting VC s View
99 Presentation Controllers ios 7 Custom Presentation Limitations Container View AnimationController Presenting VC s View Dimming View Presented VC s View
100 Presentation Controllers ios 7 custom presentation limitations Container View Presenting VC s View Dimming View Presented VC s View Drop shadow
101 Presentation Controllers ios 7 custom presentation limitations Container View Presenting VC s View Dimming View What object owns the chrome? Presented VC s View Drop shadow
102 Presentation Controllers ios 7 custom presentation limitations Container View Presenting VC s View Dimming View What object owns the chrome? Tight coupling between presentation animator and dismissing animator Presented VC s View Drop shadow
103 Presentation Controllers ios 7 custom presentation limitations Container View Presenting VC s View Dimming View What object owns the chrome? Tight coupling between presentation animator and dismissing animator Back to back presentations become problematic Presented VC s View Drop shadow
104 Presentation Controllers ios 8 custom presentations Presenting View Controller View Controller to be Presented
105 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented
106 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented Transitioning Delegate
107 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller presentviewcontroller: View Controller to be Presented Transitioning Delegate
108 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented presentationcontroller Transitioning Delegate Presentation Controller
109 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller View Controller to be Presented presentationcontroller Transitioning Delegate Presentation Controller Animation Controller
110 Presentation Controllers ios 8 custom presentations UIModalPresentationCustom Presenting View Controller presentedviewcontroller presentationcontroller View Controller to be Presented Transitioning Delegate Presentation Controller
111 Presentation Controllers Container View Presenting VC s View Dimming View Presented VC s View Drop shadow
112 Presentation Controllers Container View Presentation Controller Presenting VC s View Dimming View Presented VC s View Drop shadow
113 Presentation Controllers Container View containerview Presentation Controller Presenting VC s View Dimming View Presented VC s View Drop shadow
114 Presentation Controllers Container View containerview Presentation Controller Presenting VC s View Dimming View presentedview Presented VC s View presentedvc.view!= pc.presentedview Drop shadow
115 Presentation Controllers Custom presentation UIViewControllerContextTransitioning! - (UIView *)viewforkey:(nsstring *)key
116 Presentation Controllers Container View containerview Presentation Controller Presenting VC s View Dimming View presentedview Presented VC s View presentedvc.view!= pc.presentedview Drop shadow
117 Presentation Controllers Container View containerview Presentation Controller Presenting VC s View Dimming View presentedview Presented VC s View Drop shadow
118 Presentation Controllers Container View containerview Presentation Controller Dimming View presentedview Presented VC s View pc.shouldremovepresentersview = YES Drop shadow
119 Presentation Controllers Window Container View containerview Presentation Controller Dimming View presentedview Presented VC s View pc.shouldpresentinfullscreen = YES Drop shadow
120 Presentation Controllers Custom presentation UIPresentationController : NSObject <UIAppearanceContainer, UITraitEnvironment, readonly) UIView *containerview; - (UIView *)presentedview;! - (BOOL)shouldRemovePresentersView; -
121 Presentation Controllers Presentation styles
122 Presentation Controllers Presentation styles Previous ipad-only styles are available on the iphone - (But they adapt to full screen presentations)
123 Presentation Controllers Presentation styles Previous ipad-only styles are available on the iphone - (But they adapt to full screen presentations) New Presentation Styles UIModalPresentationOverFullscreen; UIModalPresentationOverCurrentContext; UIModalPresentationPopover
124 Presentation Controllers Presentation styles Previous ipad-only styles are available on the iphone - (But they adapt to full screen presentations) New Presentation Styles UIModalPresentationOverFullscreen; UIModalPresentationOverCurrentContext; UIModalPresentationPopover All presentation styles have an associated presentation controller -[UIViewController presentationcontroller] -[UIViewController popoverpresentationcontroller]
125 Presentation Controllers UIModalPresentationOverFullscreen
126 Presentation Controllers UIModalPresentationOverFullscreen UIModalOverFullscreen
127 Presentation Controllers UIModalPresentationOverCurrentContext
128 Presentation Controllers UIModalPresentationOverCurrentContext UIModalOverCurrentContext
129 Presentation Controllers UIModalPresentationPopover
130 Presentation Controllers UIModalPresentationPopover
131 Presentation Controllers Adaptive Behavior
132 Presentation Controllers Adaptive Behavior Previous ipad-only styles adapt their style when in horizontally compact containers UIModalPresentationFormSheet UIModalPresentationPageSheet UIModalPresentationPopover UIModalPresentationCustom
133 Presentation Controllers Adaptive Behavior Previous ipad-only styles adapt their style when in horizontally compact containers UIModalPresentationFormSheet UIModalPresentationPageSheet UIModalPresentationPopover UIModalPresentationCustom Supported adaptive presentation styles include UIModalPresentationFullscreen UIModalPresentationOverFullscreen UIModalPresentationNone
134 Presentation Controllers Adaptive Behavior Previous ipad-only styles adapt their style when in horizontally compact containers UIModalPresentationFormSheet UIModalPresentationPageSheet UIModalPresentationPopover UIModalPresentationCustom Supported adaptive presentation styles include UIModalPresentationFullscreen UIModalPresentationOverFullscreen UIModalPresentationNone Use the presentation controller s delegate to specify an adapted presentation style
135 Presentation Controllers Adaptive UIAdaptivePresentationControllerDelegate - (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:! - UIPopoverPresentationControllerDelegate
136 Presentation Controllers Adaptive UIAdaptivePresentationControllerDelegate - (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:! - UIPopoverPresentationControllerDelegate
137 Presentation Controllers Adaptive UIAdaptivePresentationControllerDelegate - (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:! - UIPopoverPresentationControllerDelegate
138 Presentation Controllers Adaptive popovers How do you present a popover?
139 Presentation Controllers Adaptive popovers How do you present a popover? vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.barbuttonitem = self.commentbutton; pc.permittedarrowdirections = UIPopoverArrowDirectionAny; vc.preferredcontentsize = CGSizeMake( ); [self presentviewcontroller: vc animated:yes completion:nil];
140 Presentation Controllers Adaptive popovers How do you present a popover? vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.barbuttonitem = self.commentbutton; pc.permittedarrowdirections = UIPopoverArrowDirectionAny; vc.preferredcontentsize = CGSizeMake( ); [self presentviewcontroller: vc animated:yes completion:nil];
141 Presentation Controllers Adaptive popovers How do you present a popover? vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.barbuttonitem = self.commentbutton; pc.permittedarrowdirections = UIPopoverArrowDirectionAny; vc.preferredcontentsize = CGSizeMake( ); [self presentviewcontroller: vc animated:yes completion:nil];
142 Presentation Controllers Adaptive popovers How do you present a popover? vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.barbuttonitem = self.commentbutton; pc.permittedarrowdirections = UIPopoverArrowDirectionAny; vc.preferredcontentsize = CGSizeMake( ); [self presentviewcontroller: vc animated:yes completion:nil];
143 Presentation Controllers Adaptive popovers How do you present a popover? vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.barbuttonitem = self.commentbutton; pc.permittedarrowdirections = UIPopoverArrowDirectionAny; vc.preferredcontentsize = CGSizeMake( ); [self presentviewcontroller: vc animated:yes completion:nil];
144 Presentation Controllers Adaptive popovers
145 Presentation Controllers Adaptive popovers This is a popover presentation!
146 There are a few problems with this
147 Presentation Controllers Adaptive popovers
148 Presentation Controllers Adaptive popovers
149 Presentation Controllers Adaptive popovers Underlaps the status bar
150 Presentation Controllers Adaptive popovers Underlaps the status bar Looks real bad
151 Presentation Controllers Adaptive popovers Underlaps the status bar Looks real bad There is no way to dismiss the popover!
152 Presentation Controllers Adaptive popovers
153 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self;
154 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self; - (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController: Have it return UIModalPresentationOverFullscreen Use UIVisualEffectView in the presented view controller Adjust the content position by accessing the presentedcontroller
155 Presentation Controllers Adaptive popovers
156 Presentation Controllers Adaptive popovers This is also a popover presentation with a different adaptation
157 Presentation Controllers Adaptive popovers This is also a popover presentation with a different adaptation But still no way to dismiss the popover!
158 Presentation Controllers Adaptive popovers
159 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self;
160 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self; - (UIVC *)presentationcontroller:viewcontrollerforadaptivepresentationstyle: Have it return a UINavigationController whose root VC is the presentedcontroller Add a dismiss button to the navigation bar.
161 Presentation Controllers Adaptive popovers
162 Presentation Controllers Adaptive popovers
163 Presentation Controllers Adaptive popovers Looks great. But what if I really want a popover?
164 Presentation Controllers Adaptive popovers
165 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self;
166 Presentation Controllers Adaptive popovers Set the delegate on the presentation controller vc.modalpresentationstyle = UIModalPresentationPopover; UIPopoverPresentationController *pc = [vc popoverpresentationcontroller]; pc.delegate = self; - (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController: Have it return UIModalPresentationNone
167 Presentation Controllers Adaptive popovers
168 Presentation Controllers Adaptive popovers
169 Presentation Controllers What did we learn?
170 Presentation Controllers What did we learn? Presentation controllers enhance the existing API for creating custom presentations
171 Presentation Controllers What did we learn? Presentation controllers enhance the existing API for creating custom presentations View controller presentations are associated with a UIPresentationController object -[UIViewController presentationcontroller] -[UIViewController popoverpresentationcontroller]
172 Presentation Controllers What did we learn? Presentation controllers enhance the existing API for creating custom presentations View controller presentations are associated with a UIPresentationController object -[UIViewController presentationcontroller] -[UIViewController popoverpresentationcontroller] Presentation controllers can easily adapt to horizontal size class changes <UIAdaptivePresentationControllerDelegate> <UIPopoverPresentationControllerDelegate>
173 Presentation Controllers What did we learn? Presentation controllers enhance the existing API for creating custom presentations View controller presentations are associated with a UIPresentationController object -[UIViewController presentationcontroller] -[UIViewController popoverpresentationcontroller] Presentation controllers can easily adapt to horizontal size class changes <UIAdaptivePresentationControllerDelegate> <UIPopoverPresentationControllerDelegate> You can create your own presentation controller s which will adapt if shouldpresentinfullscreen returns YES.
174 Transition Coordinators
175 What s a transition coordinator?
176 What s a transition coordinator? <UIViewControllerTransitionCoordinator> (UIVCTC)
177 Transition Coordinators
178 Transition Coordinators Introduced in ios 7 for custom transitions [UIViewController transitioncoordinator]! - (BOOL)animateAlongsideTransition: (void (^)(id <UIVCTCContext>context))a completion: (void (^)(id <UIVCTCContext>context))c;! They are part of the UIViewController adaptive UI story
179 Transition Coordinators UIContentContainer (nonatomic, assign) CGSize preferredcontentsize; - (void)preferredcontentsizedidchangeforchildcontentcontainer: - (void)systemlayoutfittingsizedidchangeforchildcontentcontainer:! - (void)sizeforchildcontentcontainer:withparentcontainersize: - (void)willtransitiontotraitcollection:withtransitioncoordinator: -
180 Transition Coordinators UIContentContainer (nonatomic, assign) CGSize preferredcontentsize; - (void)preferredcontentsizedidchangeforchildcontentcontainer: - (void)systemlayoutfittingsizedidchangeforchildcontentcontainer:! - (void)sizeforchildcontentcontainer:withparentcontainersize: - (void)willtransitiontotraitcollection:withtransitioncoordinator: -
181 Transition Coordinators UIContentContainer (nonatomic, assign) CGSize preferredcontentsize; - (void)preferredcontentsizedidchangeforchildcontentcontainer: - (void)systemlayoutfittingsizedidchangeforchildcontentcontainer:! - (void)sizeforchildcontentcontainer:withparentcontainersize: - (void)willtransitiontotraitcollection:withtransitioncoordinator: -
182 For the self aware App, a device rotation is only an animated bounds change. Anonymous
183
184
185 Transition Coordinators Rotation callbacks willrotatetointerfaceorientation:duration: willanimaterotationtointerfaceorientation:duration: didrotatefrominterfaceorientation: interfaceorientation
186 Transition Coordinators Rotation callbacks willrotatetointerfaceorientation:duration: willanimaterotationtointerfaceorientation:duration: didrotatefrominterfaceorientation: interfaceorientation
187 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator:
188 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: Is a replacement for the deprecated rotation callbacks
189 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: Is a replacement for the deprecated rotation callbacks
190 Transition Coordinators Rotation UIViewControllerTransitionCoordinatorContext! - (CGAffineTransform)targetTransform;! - (UIView *)viewforkey:(nsstring
191 Transition Coordinators Rotation UIViewControllerTransitionCoordinatorContext! - (CGAffineTransform)targetTransform;! - (UIView *)viewforkey:(nsstring
192 Transition Coordinators Rotation callbacks - (void) viewwilltransitiontosize:(cgsize)s withtransitioncoordinator:(uivctc)t { orientation = [self orientationfromtransform: [t targettransform]]; oldorientation = [[UIApplication sharedapplication] statusbarorientation];! [self mywillrotatetointerfaceorientation:orientation duration: duration];! [t animatealongsidetransition:^(id <UIVCTCContext>) { [self mywillanimaterotationtointerfaceorientation:orientation duration:duration]; } completion: ^(id <UIVCTCContext>) { [self mydidanimatefrominterfaceorientation:oldorientation]; }]; }
193 Transition Coordinators Rotation callbacks - (void) viewwilltransitiontosize:(cgsize)s withtransitioncoordinator:(uivctc)t { orientation = [self orientationfromtransform: [t targettransform]]; oldorientation = [[UIApplication sharedapplication] statusbarorientation];! [self mywillrotatetointerfaceorientation:orientation duration: duration];! [t animatealongsidetransition:^(id <UIVCTCContext>) { [self mywillanimaterotationtointerfaceorientation:orientation duration:duration]; } completion: ^(id <UIVCTCContext>) { [self mydidanimatefrominterfaceorientation:oldorientation]; }]; }
194 Transition Coordinators Rotation callbacks - (void) viewwilltransitiontosize:(cgsize)s withtransitioncoordinator:(uivctc)t { orientation = [self orientationfromtransform: [t targettransform]]; oldorientation = [[UIApplication sharedapplication] statusbarorientation];! [self mywillrotatetointerfaceorientation:orientation duration: duration];! [t animatealongsidetransition:^(id <UIVCTCContext>) { [self mywillanimaterotationtointerfaceorientation:orientation duration:duration]; } completion: ^(id <UIVCTCContext>) { [self mydidanimatefrominterfaceorientation:oldorientation]; }]; }
195 Transition Coordinators Rotation callbacks - (void) viewwilltransitiontosize:(cgsize)s withtransitioncoordinator:(uivctc)t { orientation = [self orientationfromtransform: [t targettransform]]; oldorientation = [[UIApplication sharedapplication] statusbarorientation];! [self mywillrotatetointerfaceorientation:orientation duration: duration];! [t animatealongsidetransition:^(id <UIVCTCContext>) { [self mywillanimaterotationtointerfaceorientation:orientation duration:duration]; } completion: ^(id <UIVCTCContext>) { [self mydidanimatefrominterfaceorientation:oldorientation]; }]; }
196 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator:
197 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: The legacy rotation methods are still available Just don t implement the method
198 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: The legacy rotation methods are still available Just don t implement the method Most view controller transitions are immediate when called from within the dynamic scope of this method (Not in the animate alongside blocks)
199 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: The legacy rotation methods are still available Just don t implement the method Most view controller transitions are immediate when called from within the dynamic scope of this method (Not in the animate alongside blocks) Call super in order to forward to descendent view controllers
200 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: The legacy rotation methods are still available Just don t implement the method Most view controller transitions are immediate when called from within the dynamic scope of this method (Not in the animate alongside blocks) Call super in order to forward to descendent view controllers Only necessary when you need to do a special size transition
201 Scroll Direction
202 Scroll Direction
203 Scroll Direction
204 Scroll Direction
205 Scroll Direction
206 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: Before animatealongside:withtransitioncoordinator:! CGAffineTransform transform = [coordinator targettransform]; CGAffineTransform invertedrotation = CGAffineTransformInvert(transform); CGRect currentbounds = self.view.bounds;!
207 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: Before animatealongside:withtransitioncoordinator:! CGAffineTransform transform = [coordinator targettransform]; CGAffineTransform invertedrotation = CGAffineTransformInvert(transform); CGRect currentbounds = self.view.bounds;! Alongside block! self.view.transform = CGAffineTransformConcat(self.view.transform, invertedrotation); _counterrotation = CGAffineTransformConcat(_counterRotation, transform); self.view.bounds = currentbounds;
208 Transition Coordinators viewwilltransitiontosize:withtransitioncoordinator: Before animatealongside:withtransitioncoordinator:! CGAffineTransform transform = [coordinator targettransform]; CGAffineTransform invertedrotation = CGAffineTransformInvert(transform); CGRect currentbounds = self.view.bounds;! Alongside block! self.view.transform = CGAffineTransformConcat(self.view.transform, invertedrotation); _counterrotation = CGAffineTransformConcat(_counterRotation, transform); self.view.bounds = currentbounds;! Completion block! [UIView animatewithduration:.5 animations:^{ for(pncollectionviewcell *cell in [self.collectionview visiblecells]{ cell.contentview.transform = _counterrotation; } }];
209 Transition Coordinators What did we learn?
210 Transition Coordinators What did we learn? Transition coordinators are being used in ios 8 adaptive APIs viewwilltransitiontosize:transitioncoordinator: willtransitiontotraitcollection:transitioncoordinator:
211 Transition Coordinators What did we learn? Transition coordinators are being used in ios 8 adaptive APIs viewwilltransitiontosize:transitioncoordinator: willtransitiontotraitcollection:transitioncoordinator: You may use a transition coordinator in response to preferredcontentsizedidchange:
212 Transition Coordinators What did we learn? Transition coordinators are being used in ios 8 adaptive APIs viewwilltransitiontosize:transitioncoordinator: willtransitiontotraitcollection:transitioncoordinator: You may use a transition coordinator in response to preferredcontentsizedidchange: Rotation callbacks are being deprecated
213 Screen Coordinates
214 Screen Orientation Keyboard Size: (162,568) [[UIScreen mainscreen] bounds] = {320,568}
215 Interface Orientation Keyboard Size: (568,162) [[UIScreen mainscreen] bounds] = {568,320}
216 ios UIViewControllers Changes to screen coordinates UIScreen is now interface oriented -[UIScreen bounds] now interface-oriented -[UIScreen applicationframe] now interface-oriented Status bar frame notifications are interface-oriented Keyboard frame notifications are interface-oriented
217 ios UIViewControllers Changes to screen UICoordinateSpace! - (CGPoint)convertPoint:(CGPoint) tocoordinatespace:(id <UICoordinateSpace>)space;! - (CGRect)convertRect:(CGRect) CGRect bounds;
218 ios UIViewControllers Changes to screen coordinates UIView (readonly) id <UICoordinateSpace> (readonly) id <UICoordinateSpace>
219 ios UIViewControllers Changes to screen coordinates UIView (readonly) id <UICoordinateSpace> (readonly) id <UICoordinateSpace> [view convertpoint:p tocoordinatespace:view.window.screen.fixedcoordinatespace];! [view.window.screen.fixedcoordinatespace convertpoint:p tocoordinatespace:view];
220 What We Discussed Today
221 What We Discussed Today Trait collections and how view controllers may override them
222 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features
223 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars
224 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars UIPresentationControllers and new presentation styles
225 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars UIPresentationControllers and new presentation styles New API that uses transition coordinators
226 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars UIPresentationControllers and new presentation styles New API that uses transition coordinators Rotation callbacks are deprecated
227 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars UIPresentationControllers and new presentation styles New API that uses transition coordinators Rotation callbacks are deprecated Use viewwilltransitiontosize:withtransitioncoordinator: instead
228 What We Discussed Today Trait collections and how view controllers may override them Many new UISplitViewController features Simple properties that condense and hide bars UIPresentationControllers and new presentation styles New API that uses transition coordinators Rotation callbacks are deprecated Use viewwilltransitiontosize:withtransitioncoordinator: instead Screen bounds is interface orientated
229 Related Sessions Building Adaptive Apps with UIKit Mission Wednesday 10:15 AM A Look Inside Presentation Controllers Mission Thursday 11:30 AM Building Interruptible and Responsive Interactions Presidio Friday 11:30 AM Creating Extensions for ios and OS X, Part 1 Mission Tuesday 2:00 PM
230 More Information Jake Behrens App Frameworks Evangelist Documentation and Sample Code ios Dev Center Apple Developer Forums
231
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