void UpdateDateVisibility()
{
DatePicker.Superview.Hidden = !(QuestionnaireViewModel.Selection == QuestionaireSelection.YesSince);
if (QuestionnaireViewModel.Selection == QuestionaireSelection.YesSince)
{
DateTime valueToShow = QuestionnaireViewModel.DateHasBeenSet ? QuestionnaireViewModel.GetLocalSelectedDate() : DateTime.Now.Date;
_viewModel.SetSelectedDateUTC(valueToShow); // Set the default date value when user enter pick date mode
UpdateDateLbl(QuestionnaireViewModel.DateLabel);
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, DatePicker);
}
}
partial void NextBtn_TouchUpInside(UIButton sender)
{
SetWarningViewVisibility();
if (_consentViewModel.ConsentIsGiven)
{
OnboardingStatusHelper.Status = ConsentsHelper.GetStatusDependingOnRelease();
GoToResultPage();
}
else
{
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, WarningLbl);
}
}
partial void AcceptSwitched(UISwitch sender)
{
_consentViewModel.ConsentIsGiven = sender.On;
if (sender.On)
{
SetWarningViewVisibility();
}
UIAccessibility.PostNotification(
UIAccessibilityPostNotification.ScreenChanged,
new NSString(sender.On ? ConsentViewModel.SWITCH_ACCESSIBILITY_ANNOUNCEMENT_CONSENT_GIVEN : ConsentViewModel.SWITCH_ACCESSIBILITY_ANNOUNCEMENT_CONSENT_NOT_GIVEN));
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, sender);
}
/// <summary>
/// Some view controllers that inherit from BaseViewController have UI elements, e.g., close button,
/// on the top in View stack that leads to it being read first by VO eventhough a UIAccessibility.PostNotification
/// is being called to indicate another element that should be in focus. This can be addressed by removing the UIView
/// that is read first to focus on the element that should be targeted by UIAccessibility.PostNotification call, and
/// put it back into accessibility elements after a short delay (1 sec).
/// </summary>
/// <param name="uiViewToDisable">UIView to be removed from VoiceOver reading hierarchy</param>
protected void PostAccessibilityNotificationAndReenableElement(UIView uiViewToDisable, UIView uiViewPostNotification)
{
if (UIAccessibility.IsVoiceOverRunning)
{
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, uiViewPostNotification);
uiViewToDisable.IsAccessibilityElement = false;
DispatchTime when = new DispatchTime(DispatchTime.Now, TimeSpan.FromSeconds(1));
DispatchQueue.MainQueue.DispatchAfter(when, () =>
{
uiViewToDisable.IsAccessibilityElement = true;
});
}
}
public void RemoveZombie()
{
WalkingDead zombie = zombies.Last();
if (zombie != null)
{
zombies.Remove(zombie);
zombie.Disassemble();
}
UIAccessibility.PostNotification(LayoutChangedNotification, null);
removeZombieSound.Play();
}
public static void SetSemanticFocus(this IView element)
{
if (element?.Handler?.PlatformView is not PlatformView platformView)
{
throw new NullReferenceException("Can't access view from a null handler");
}
#if __ANDROID__
platformView.SendAccessibilityEvent(EventTypes.ViewHoverEnter);
#elif __IOS__ || MACCATALYST
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, platformView);
#endif
}
public void RequestGuidedAccessSession()
{
if (!TestRuntime.CheckSystemAndSDKVersion(7, 0))
{
Assert.Inconclusive("Requires iOS7 or later");
}
// should not affect execution since it needs to be a "supervised" device (and allowed in MDM)
// UIAccessibility.RequestGuidedAccessSession (true, delegate (bool didSuccess) {
// Assert.Fail ("should not be reached");
//});
UIAccessibility.RequestGuidedAccessSession(false, null);
}
public static void SetSemanticFocus(this IView element)
{
if (element?.Handler?.NativeView == null)
{
throw new NullReferenceException("Can't access view from a null handler");
}
if (element.Handler.NativeView is not NSObject nativeView)
{
return;
}
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, nativeView);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
// Set navigation bar attributes
NavigationControllerUtil.SetNavigationBarAttributes(this.NavigationController.NavigationBar);
NavigationControllerUtil.SetNavigationTitle(this.NavigationItem, Constants.ApplicationName);
this.NavigationItem.HidesBackButton = true;
this.resultsStoryboard = UIStoryboard.FromName("Results", null);
//set the initial focus element
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, AnalyzingLabel);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
Button.AccessibilityIdentifier = "myButton";
Button.IsAccessibilityElement = true;
Button.TouchUpInside += delegate
{
var title = string.Format("{0} clicks!", count++);
Button.SetTitle(title, UIControlState.Normal);
Button.AccessibilityTraits |= UIAccessibilityTrait.Selected;
Button.AccessibilityTraits |= UIAccessibilityTrait.Button;
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, MyLabel);
};
MyLabel.AccessibilityLabel = "This is a label";
}
protected void AddDoneButton(Entry element)
{
UIToolbar toolbar = new UIToolbar(new RectangleF(0.0f, 0.0f, 50.0f, 44.0f));
var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, delegate {
this.Control.ResignFirstResponder();
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, Control);
});
toolbar.Items = new UIBarButtonItem[] {
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
doneButton
};
Control.InputAccessoryView = toolbar;
}
public void AddZombie()
{
float chrome = 50;
var frame = new CGRect(chrome, Frame.Size.Height - 160 - chrome, 80, 200);
var dead = new WalkingDead(frame);
dead.WalkingDeadDidDisassemble += WalkingDeadDidDisassemble;
zombies.Add(dead);
AddSubview(dead);
dead.Animate();
UIAccessibility.PostNotification(LayoutChangedNotification, null);
newZombieSound.Play();
}
static void PlatformSetSemanticFocus(this VisualElement element)
{
var iosView = Platform.GetRenderer(element);
if (iosView == null)
{
throw new NullReferenceException("Can't access view");
}
if (iosView is not NSObject nativeView)
{
return;
}
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, nativeView);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
NavigationItem.LargeTitleDisplayMode = UINavigationItemLargeTitleDisplayMode.Never;
SaveButton.TouchUpInside += (sender, e) => {
current.Name = NameText.Text;
current.Notes = NotesText.Text;
current.Done = DoneSwitch.On;
current.For = ForText.Text;
// includes CoreSpotlight indexing!
Delegate.SaveTodo(current);
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was saved"));
NavigationController.PopViewController(true);
};
CancelButton.TouchUpInside += (sender, e) => {
if (Delegate != null)
{
Delegate.DeleteTodo(current); // also CoreSpotlight
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was deleted"));
}
else // HACK: TODO:
{
Console.WriteLine("Delegate not set - HACK");
}
NavigationController.PopViewController(true);
};
#region iOS 9 Contacts
contacts = new ContactHelper(current);
UITapGestureRecognizer forTextTap = new UITapGestureRecognizer(() => {
PresentViewController(contacts.GetPicker(), true, null);
});
ForText.AddGestureRecognizer(forTextTap);
ForText.UserInteractionEnabled = true;
#endregion
NameText.TextAlignment = UITextAlignment.Natural;
NotesText.TextAlignment = UITextAlignment.Natural;
UserActivity = UserActivityHelper.CreateNSUserActivity(current ?? new TodoItem());
}
/// <summary>
/// Update UI for viewmodel property changes
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(_viewModel.CurrentRoute))
{
return;
}
Route firstRoute = _viewModel.CurrentRoute?.Routes?.FirstOrDefault();
if (firstRoute == null)
{
_stopsTable.Source = null;
return;
}
// Build up the walk time label
StringBuilder walkTimeStringBuilder = new StringBuilder();
// Add walk time and distance label
if (firstRoute.TotalTime.Hours > 0)
{
walkTimeStringBuilder.Append($"{firstRoute.TotalTime.Hours}:{firstRoute.TotalTime.Minutes}");
}
else
{
walkTimeStringBuilder.Append($"{firstRoute.TotalTime.Minutes + 1} " + "RouteTimeMinutesLabel".Localize());
}
_routeDurationLabel.Text = walkTimeStringBuilder.ToString();
// Create the list of stop features (origin and destination)
var tableSource = new List <Feature> {
_viewModel.FromLocationFeature, _viewModel.ToLocationFeature
};
// Update the stops table with new data
_stopsTable.Source = new RouteTableSource(tableSource);
// necessary so that table is reloaded before layout is requested
_stopsTable.ReloadData();
RelayoutRequested?.Invoke(this, EventArgs.Empty);
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"RouteFoundAccessibilityAnnouncement".Localize());
}
/// <summary>
/// Execute an accessiblity announcement
/// </summary>
/// <typeparam name="TView"></typeparam>
/// <param name="view"></param>
/// <param name="text"></param>
/// <param name="attributtedEnums">Is for iOS UIAccessibilityPostNotification</param>
public static void AccessibilityAnnounce <TView>(this TView view, string text, AccessbillityNotificationType notificationTypeEnum = AccessbillityNotificationType.Announcement) where TView : View
{
#if __ANDROID__
var nView = view.GetOrCreateRenderer();
if (nView != null)
{
nView.View.AnnounceForAccessibility(text);
}
#else
var nView = view.GetOrCreateRenderer();
if (nView != null)
{
var notificationType = notificationTypeEnum.ToString();
var typeEnum = ParseEnum <UIAccessibilityPostNotification>(notificationType);
UIAccessibility.PostNotification(typeEnum, new NSString(text));
}
#endif
}
/// <summary>
/// Update the UI when the viewmodel state changes
/// </summary>
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(_viewModel.CurrentState))
{
return;
}
if (_viewModel.CurrentState == UiState.RouteNotFound)
{
_headerLabel.Text = "RouteNotFoundCardTitle".Localize();
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"RouteNotFoundCardTitle".Localize());
}
else if (_viewModel.CurrentState == UiState.LocationNotFound)
{
_headerLabel.Text = "LocationNotFoundCardTitle".Localize();
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"LocationNotFoundCardTitle".Localize());
}
}
/// <summary>
/// Initialization of the view <see cref="ImageInputViewController"/>
/// </summary>
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib;
this.GetStartedButton.Layer.CornerRadius = CornerRadius;
this.GetStartedButton.ClipsToBounds = true;
SetUpStringAttributes();
// Add gesture recognizer for the string tappableStringChestXRayAIModel
this.Description.UserInteractionEnabled = true; // UserInteractionEnabled must be true for gesture recognizers to be activated
this.Description.AddGestureRecognizer(new UITapGestureRecognizer((UITapGestureRecognizer gestureRecognizer) =>
{
// Launch link if tap lands within description bounds
LaunchUrlInSafari(SharedConstants.MLModelRepository);
// To implement tappable portions of an attributed string, uncomment the lines of code below.
// Issues with the function: VoiceOver taps don't land within the bounds of the tappable string range.
//UILabel label = gestureRecognizer.View as UILabel;
//if (GestureRecognizerUtil.DidTapAttributedTextInLabel(label, rangeOfStringChestXRayAIModel, gestureRecognizer, label.TextAlignment))
//{
// LaunchUrlInSafari(SharedConstants.MLModelRepository);
//}
}));
NavigationControllerUtil.SetNavigationBarAttributes(this.NavigationController.NavigationBar);
NavigationControllerUtil.SetNavigationTitle(this.NavigationItem, Constants.ApplicationName);
UIButton rightButton = new UIButton(UIButtonType.InfoLight);
rightButton.TouchUpInside += NavBarButtonInfo_TouchUpInside;
UIBarButtonItem rightBarButton = new UIBarButtonItem(customView: rightButton);
this.NavigationItem.SetRightBarButtonItem(rightBarButton, true);
// Set up touch events
this.GetStartedButton.TouchUpInside += GetStartedButton_TouchUpInside;
//set the initial focus element
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, Title);
}
private void AnimateCardsForHello(bool forHello)
{
AnimateCardOffScreenToTop(forHello, () => {
_currentMatchIndex++;
Person nextMatch = CurrentMatch;
if (nextMatch != null)
{
// Show the next match's profile in the card
_cardView.Update(nextMatch);
// Ensure that the view's layout is up to date before we animate it
View.LayoutIfNeeded();
if (UIAccessibility.IsReduceMotionEnabled)
{
// Fade the card into view
FadeCardIntoView();
}
else
{
// Zoom the new card from a tiny point into full view
ZoomCardIntoView();
}
}
else
{
// Hide the card
_cardView.Hidden = true;
// Fade in the "Stay tuned for more matches" blurb
UIView.Animate(FadeAnimationDuration, () => {
_swipeInstructionsView.Alpha = 0f;
_allMatchesViewedExplanatoryView.Alpha = 1f;
});
}
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, null);
});
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
SaveButton.TouchUpInside += (sender, e) => {
currentTask.Name = TitleText.Text;
currentTask.Notes = NotesText.Text;
currentTask.Done = DoneSwitch.On;
Delegate.SaveTask(currentTask);
// TODO: review use of UIAccessibility.PostNotification
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was saved"));
};
DeleteButton.TouchUpInside += (sender, e) => {
Delegate.DeleteTask(currentTask);
// TODO: review use of UIAccessibility.PostNotification
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was deleted"));
};
TitleText.TextAlignment = UITextAlignment.Natural;
NotesText.TextAlignment = UITextAlignment.Natural;
}
public void ButtonDragged(ButtonView button, UITouch location)
{
CGPoint point = location.LocationInView(miniPadView);
if (miniPadView.PointInside(point, null))
{
if (!buttonDraggedToPad)
{
CATransaction.Begin();
CATransaction.AnimationDuration = 1;
miniPadView.Layer.BorderColor = UIColor.Yellow.CGColor;
miniPadView.Layer.BorderWidth = 2;
CATransaction.Commit();
buttonDraggedToPad = true;
if (!isVoiceOverSpeaking)
{
isVoiceOverSpeaking = true;
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"Memory object near the zombies, Lift to deploy");
}
}
}
else
{
if (buttonDraggedToPad)
{
if (!isVoiceOverSpeaking)
{
isVoiceOverSpeaking = true;
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"Memory object outside iPad. Lift to Cancel");
}
}
buttonDraggedToPad = false;
miniPadView.Layer.BorderWidth = 0;
}
}
CardView AddCardViewToView(UIView containerView)
{
CardView cv = new CardView();
cv.Update(CurrentMatch);
cv.TranslatesAutoresizingMaskIntoConstraints = false;
this.cardView = cv;
containerView.AddSubview(cv);
UISwipeGestureRecognizer swipeUpRecognizer = new UISwipeGestureRecognizer(HandleSwipeUp);
swipeUpRecognizer.Direction = UISwipeGestureRecognizerDirection.Up;
cv.AddGestureRecognizer(swipeUpRecognizer);
UISwipeGestureRecognizer swipeDownRecognizer = new UISwipeGestureRecognizer(HandleSwipeDown);
swipeDownRecognizer.Direction = UISwipeGestureRecognizerDirection.Down;
cv.AddGestureRecognizer(swipeDownRecognizer);
string sayHelloName = "Say hello".LocalizedString(@"Accessibility action to say hello");
helloAction = new UIAccessibilityCustomAction(sayHelloName, SayHello);
string sayGoodbyeName = "Say goodbye".LocalizedString("Accessibility action to say goodbye");
goodbyeAction = new UIAccessibilityCustomAction(sayGoodbyeName, SayGoodbye);
UIView[] elements = NSArray.FromArray <UIView> ((NSArray)cv.GetAccessibilityElements());
foreach (UIView element in elements)
{
element.AccessibilityCustomActions = new UIAccessibilityCustomAction[] { helloAction, goodbyeAction }
}
;
return(cv);
}
void HandleSwipeUp(UISwipeGestureRecognizer gestureRecognizer)
{
if (gestureRecognizer.State == UIGestureRecognizerState.Recognized)
{
SayHello(helloAction);
}
}
void HandleSwipeDown(UISwipeGestureRecognizer gestureRecognizer)
{
if (gestureRecognizer.State == UIGestureRecognizerState.Recognized)
{
SayGoodbye(goodbyeAction);
}
}
UIView AddAllMatchesViewExplanatoryViewToContainerView(UIView containerView, List <NSLayoutConstraint> constraints)
{
UIView overlayView = AddOverlayViewToContainerView(containerView);
// Start out hidden
// This view will become visible once all matches have been viewed
overlayView.Alpha = 0f;
UILabel label = StyleUtilities.CreateStandardLabel();
label.Font = StyleUtilities.LargeFont;
label.Text = "Stay tuned for more matches!".LocalizedString("Shown when all matches have been viewed");
overlayView.AddSubview(label);
// Center the overlay view
constraints.Add(NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.CenterX, NSLayoutRelation.Equal, containerView, NSLayoutAttribute.CenterX, 1f, 0f));
constraints.Add(NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, containerView, NSLayoutAttribute.CenterY, 1f, 0f));
// Position the label in the overlay view
constraints.Add(NSLayoutConstraint.Create(label, NSLayoutAttribute.Top, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Top, 1f, StyleUtilities.ContentVerticalMargin));
constraints.Add(NSLayoutConstraint.Create(label, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Bottom, 1f, -1 * StyleUtilities.ContentVerticalMargin));
constraints.Add(NSLayoutConstraint.Create(label, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Leading, 1f, StyleUtilities.ContentHorizontalMargin));
constraints.Add(NSLayoutConstraint.Create(label, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Trailing, 1f, -1 * StyleUtilities.ContentHorizontalMargin));
return(overlayView);
}
bool SayHello(UIAccessibilityCustomAction customAction)
{
AnimateCardsForHello(true);
return(true);
}
bool SayGoodbye(UIAccessibilityCustomAction customAction)
{
AnimateCardsForHello(false);
return(true);
}
void AnimateCardsForHello(bool forHello)
{
AnimateCardOffScreenToTop(forHello, () => {
currentMatchIndex++;
Person nextMatch = CurrentMatch;
if (nextMatch != null)
{
// Show the next match's profile in the card
cardView.Update(nextMatch);
// Ensure that the view's layout is up to date before we animate it
View.LayoutIfNeeded();
if (UIAccessibility.IsReduceMotionEnabled)
{
// Fade the card into view
FadeCardIntoView();
}
else
{
// Zoom the new card from a tiny point into full view
ZoomCardIntoView();
}
}
else
{
// Hide the card
cardView.Hidden = true;
// Fade in the "Stay tuned for more matches" blurb
UIView.Animate(FadeAnimationDuration, () => {
swipeInstructionsView.Alpha = 0f;
allMatchesViewedExplanatoryView.Alpha = 1f;
});
}
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, null);
});
}
void FadeCardIntoView()
{
cardView.Alpha = 0f;
UIView.Animate(FadeAnimationDuration, () => {
cardView.Alpha = 1f;
});
}
void ZoomCardIntoView()
{
cardView.Transform = CGAffineTransform.MakeScale(0f, 0f);
UIView.Animate(ZoomAnimationDuration, () => {
cardView.Transform = CGAffineTransform.MakeIdentity();
});
}
void AnimateCardOffScreenToTop(bool toTop, Action completion)
{
NSLayoutConstraint offScreenConstraint = null;
if (toTop)
{
offScreenConstraint = NSLayoutConstraint.Create(cardView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, View, NSLayoutAttribute.Top, 1f, 0f);
}
else
{
offScreenConstraint = NSLayoutConstraint.Create(cardView, NSLayoutAttribute.Top, NSLayoutRelation.Equal, View, NSLayoutAttribute.Bottom, 1f, 0f);
}
View.LayoutIfNeeded();
UIView.Animate(SwipeAnimationDuration, () => {
// Slide the card off screen
View.RemoveConstraints(cardViewVerticalConstraints);
View.AddConstraint(offScreenConstraint);
View.LayoutIfNeeded();
}, () => {
// Bring the card back into view
View.RemoveConstraint(offScreenConstraint);
View.AddConstraints(cardViewVerticalConstraints);
if (completion != null)
{
completion();
}
});
}
UIView AddSwipeInstructionsToContainerView(UIView containerView, List <NSLayoutConstraint> constraints)
{
UIView overlayView = AddOverlayViewToContainerView(containerView);
UILabel swipeInstructionsLabel = StyleUtilities.CreateStandardLabel();
swipeInstructionsLabel.Font = StyleUtilities.LargeFont;
overlayView.AddSubview(swipeInstructionsLabel);
swipeInstructionsLabel.Text = "Swipe ↑ to say \"Hello!\"\nSwipe ↓ to say \"Goodbye...\"".LocalizedString("Instructions for the Matches page");
swipeInstructionsLabel.AccessibilityLabel = "Swipe up to say \"Hello!\"\nSwipe down to say \"Goodbye\"".LocalizedString("Accessibility instructions for the Matches page");
float overlayMargin = StyleUtilities.OverlayMargin;
NSLayoutConstraint topMarginConstraint = NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.Top, NSLayoutRelation.Equal, TopLayoutGuide, NSLayoutAttribute.Bottom, 1f, overlayMargin);
float priority = (int)UILayoutPriority.Required - 1;
topMarginConstraint.Priority = priority;
constraints.Add(topMarginConstraint);
// Position the label inside the overlay view
constraints.Add(NSLayoutConstraint.Create(swipeInstructionsLabel, NSLayoutAttribute.Top, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Top, 1f, HelloGoodbyeVerticalMargin));
constraints.Add(NSLayoutConstraint.Create(swipeInstructionsLabel, NSLayoutAttribute.CenterX, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.CenterX, 1f, 0f));
constraints.Add(NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, swipeInstructionsLabel, NSLayoutAttribute.Bottom, 1f, HelloGoodbyeVerticalMargin));
// Center the overlay view horizontally
constraints.Add(NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.Left, NSLayoutRelation.Equal, containerView, NSLayoutAttribute.Left, 1f, overlayMargin));
constraints.Add(NSLayoutConstraint.Create(overlayView, NSLayoutAttribute.Right, NSLayoutRelation.Equal, containerView, NSLayoutAttribute.Right, 1f, -overlayMargin));
return(overlayView);
}
UIView AddOverlayViewToContainerView(UIView containerView)
{
UIView overlayView = new UIView {
BackgroundColor = StyleUtilities.OverlayColor,
TranslatesAutoresizingMaskIntoConstraints = false,
};
overlayView.Layer.CornerRadius = StyleUtilities.OverlayCornerRadius;
containerView.AddSubview(overlayView);
return(overlayView);
}
}
void Close()
{
Superview.WillRemoveSubview(this);
RemoveFromSuperview();
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, _initiaterView);
}
public void speakText(View v, string s)
{
UIAccessibility.PostNotification(notification: UIAccessibilityPostNotification.ScreenChanged, argument: new NSString(s));
}
public void SetFocus(VisualElement element)
{
var nativeView = Platform.GetRenderer(element).NativeView;
UIAccessibility.PostNotification(UIAccessibilityPostNotification.LayoutChanged, nativeView);
}
void Pause()
{
paused = true;
miniPadView.PauseZombies();
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, (NSString)"Apocalypse On Pause");
}
private void ConfigureAnalyzeStartedVoiceOverAccessibilityAttributes()
{
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, new NSString(AccessibilityConstants.AnalyzeStartedNotificationAccessibilityString));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// DEMO: the second item in the stack disables large titles
NavigationItem.LargeTitleDisplayMode = UINavigationItemLargeTitleDisplayMode.Never;
SaveButton.TouchUpInside += (sender, e) => {
Current.Name = NameText.Text;
Current.Notes = NotesText.Text;
Current.Done = DoneSwitch.On;
// includes CoreSpotlight indexing!
Delegate.SaveTodo(Current);
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was saved"));
NavigationController.PopViewController(true);
};
CancelButton.TouchUpInside += (sender, e) => {
if (Delegate != null)
{
Delegate.DeleteTodo(Current); // also CoreSpotlight
UIAccessibility.PostNotification(UIAccessibilityPostNotification.Announcement, new NSString(@"Item was deleted"));
}
else
{
Console.WriteLine("Delegate not set - this shouldn't happen");
}
NavigationController.PopViewController(true);
};
NameText.TextAlignment = UITextAlignment.Natural;
NotesText.TextAlignment = UITextAlignment.Natural;
UserActivity = UserActivityHelper.CreateNSUserActivity(Current ?? new TodoItem());
// Map button
PhotoButton = UIButton.FromType(UIButtonType.Custom);
PhotoButton.SetTitle("Photo", UIControlState.Normal);
PhotoButton.BackgroundColor = UIColor.Green;
PhotoButton.SizeToFit();
PhotoButton.TouchUpInside += (sender, e) => {
Console.WriteLine("take photo");
var popover = Storyboard.InstantiateViewController("photo");
Console.WriteLine("pass todo item");
(popover as PhotoViewController).Todo = (NavigationController.VisibleViewController as DetailViewController).Current;
PresentViewController(popover, true, null);
// Configure the popover for the iPad, the popover displays as a modal view on the iPhone
UIPopoverPresentationController presentationPopover = popover.PopoverPresentationController;
if (presentationPopover != null)
{
presentationPopover.SourceView = View;
presentationPopover.PermittedArrowDirections = UIPopoverArrowDirection.Up;
presentationPopover.SourceRect = View.Frame;
}
};
View.AddSubview(PhotoButton);
}
/// <summary>
/// Toggle see more
/// </summary>
/// <param name="button">UIButton</param>
partial void SeeMore(UIButton button)
{
nfloat imageViewHeight = ImageViewWrapper.Frame.Height;
nfloat imageViewWidth = ImageViewWrapper.Frame.Width;
nfloat deviceWidth = View.Frame.Width;
nfloat secondaryViewHeight = secondaryTableView.Frame.Height;
const int scaleFactor = 2;
seeMoreToggled = !seeMoreToggled;
//toggle button state
ButtonSeeMore.SetTitle(seeMoreToggled ? "Hide" : "See More", UIControlState.Normal);
ButtonSeeMore.Enabled = false;
ButtonSeeMore.AccessibilityLabel = seeMoreToggled ? Constants.AccessibilityLabel_SeeMoreHideButton : Constants.AccessibilityLabel_SeeMoreShowButton;
View.LayoutIfNeeded();
primaryTableView.ScrollEnabled = seeMoreToggled;
//force the primary tableview to scroll to the top
primaryTableView.ScrollToRow(NSIndexPath.Create(new int[] { 0, 0 }), UITableViewScrollPosition.Top, true);
//animate secondary conditions
ConstraintSecondaryTableViewTop.Constant = seeMoreToggled ? secondaryViewHeight : 0;
ConstraintSecondaryTableViewBottom.Constant = seeMoreToggled ? -secondaryViewHeight : 0;
//animate tableview into frame
ConstraintPrimaryTableViewTop.Constant = seeMoreToggled ? -imageViewHeight : 0;
AnalyzedImageFileNameHeaderLabel.Text = seeMoreToggled ? "Analyzed Image" : "X-Ray Image";
ConditionsTableViewSource primarySource = primaryTableView.Source as ConditionsTableViewSource;
ConditionsTableViewSource secondarySource = secondaryTableView.Source as ConditionsTableViewSource;
// Set see-more visibility for tableviews
primarySource.SeeMoreVisible = seeMoreToggled;
secondarySource.SeeMoreVisible = seeMoreToggled;
// Reload each tableview
primaryTableView.ReloadData();
secondaryTableView.ReloadData();
// Set the original label voice over status dependent on see-more visibility
EnableVoiceOverForViews(originalLabels.ToArray(), seeMoreToggled);
// Focus to top back-button on see-more toggle
if (seeMoreToggled)
{
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, this.NavigationItem.LeftBarButtonItem);
}
UIView.Animate(
0.33,
0,
UIViewAnimationOptions.CurveEaseIn,
() =>
{
View.LayoutIfNeeded();
//animate image to top right (this needs to be in the animation closure)
ImageViewWrapper.Layer.AnchorPoint = seeMoreToggled ? new CGPoint(0, 1) : new CGPoint(0.5, 0.5);
ImageViewWrapper.Transform = seeMoreToggled ? CGAffineTransform.MakeScale(0.5F, 0.5F) : CGAffineTransform.MakeScale(1F, 1F);
OriginalImageWrapper.Layer.AnchorPoint = seeMoreToggled ? new CGPoint(0, 0) : new CGPoint(0.5, 0.5);
//scale & transformation to move original image to to bottom right
var originalImageTransformation = CGAffineTransform.MakeScale(0.5F, 0.5F);
originalImageTransformation.Translate(0.0F, secondaryViewHeight / 2);
OriginalImageWrapper.Transform = seeMoreToggled ? originalImageTransformation : CGAffineTransform.MakeScale(1F, 1F);
if (seeMoreToggled)
{
//get the distance from the bottom of the Analyzed Image View Wrapper to the top of the original image view wrapper
var distance = OriginalImageWrapper.Frame.Top - ImageViewWrapper.Frame.Bottom;
//set the height of the info views to distance
AnalyzedImageInfoViewHeightConstraint.Constant = distance;
OriginalImageInfoViewHeightConstraint.Constant = distance;
//force autolayout to recalculate
View.LayoutIfNeeded();
//move the info views down
AnalyzedImageInfoViewBottomConstraint.Constant = AnalyzedImageInfoView.Frame.Size.Height;
OriginalImageInfoViewBottomConstraint.Constant = OriginalImageInfoView.Frame.Size.Height;
//scale the font size by a factor of 2
//because the imagewrapper is scaled by a factor of 0.5
AnalyzedImageFileNameHeaderLabel.Font = UIFont.PreferredHeadline.WithSize(UIFont.PreferredHeadline.PointSize * scaleFactor);
AnalyzedImageFileNameLabel.Font = UIFont.PreferredSubheadline.WithSize(UIFont.PreferredSubheadline.PointSize * scaleFactor);
AnalyzedImageDateHeaderLabel.Font = UIFont.PreferredHeadline.WithSize(UIFont.PreferredHeadline.PointSize * scaleFactor);
AnalyzedImageDateLabel.Font = UIFont.PreferredSubheadline.WithSize(UIFont.PreferredSubheadline.PointSize * scaleFactor);
OriginalImageFileNameHeaderLabel.Font = UIFont.PreferredHeadline.WithSize(UIFont.PreferredHeadline.PointSize * scaleFactor);
OriginalImageFileNameLabel.Font = UIFont.PreferredSubheadline.WithSize(UIFont.PreferredSubheadline.PointSize * scaleFactor);
OriginalImageDateHeaderLabel.Font = UIFont.PreferredHeadline.WithSize(UIFont.PreferredHeadline.PointSize * scaleFactor);
OriginalImageDateLabel.Font = UIFont.PreferredSubheadline.WithSize(UIFont.PreferredSubheadline.PointSize * scaleFactor);
}
else
{
//remove the constants applied from above
//this will revert the height and position to before see more is tapped
AnalyzedImageInfoViewBottomConstraint.Constant = 0;
AnalyzedImageInfoViewHeightConstraint.Constant = 0;
OriginalImageInfoViewBottomConstraint.Constant = 0;
OriginalImageInfoViewHeightConstraint.Constant = 0;
AnalyzedImageFileNameHeaderLabel.Font = UIFont.PreferredHeadline;
AnalyzedImageFileNameLabel.Font = UIFont.PreferredSubheadline;
AnalyzedImageDateHeaderLabel.Font = UIFont.PreferredHeadline;
AnalyzedImageDateLabel.Font = UIFont.PreferredSubheadline;
OriginalImageFileNameHeaderLabel.Font = UIFont.PreferredHeadline;
OriginalImageFileNameLabel.Font = UIFont.PreferredSubheadline;
OriginalImageDateHeaderLabel.Font = UIFont.PreferredHeadline;
OriginalImageDateLabel.Font = UIFont.PreferredSubheadline;
}
},
() =>
{
ButtonSeeMore.Enabled = true;
}
);
}
protected override void OnElementChanged(ElementChangedEventArgs <RoundedComboBox> e)
{
base.OnElementChanged(e);
if (e.OldElement != null || Element == null)
{
return;
}
var element = Element as RoundedComboBox;
var textField = new CustomTextField
{
ShowCursor = false
//EdgeInsets = new UIEdgeInsets(5, 10, 5, 10)
};
textField.BackgroundColor = element.BackgroundColor.ToUIColor();
textField.ShouldBeginEditing += (sender) =>
{
if (UIAccessibility.IsVoiceOverRunning && picker != null)
{
UIAccessibility.PostNotification(UIAccessibilityPostNotification.ScreenChanged, picker);
}
return(true);
};
textField.EditingDidBegin += (sender, args) =>
{
var rootViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (rootViewController.PresentedViewController != null)
{
rootViewController = rootViewController.PresentedViewController;
}
var rootView = rootViewController.View;
if (overlayView == null)
{
overlayView = new UIView(rootView.Bounds);
overlayView.UserInteractionEnabled = true;
overlayView.AddGestureRecognizer(new UITapGestureRecognizer(() => Control.ResignFirstResponder()));
}
Element.IsDialogVisible = true;
rootView.Add(overlayView);
};
textField.EditingDidEnd += (sender, args) =>
{
if (overlayView != null)
{
overlayView.RemoveFromSuperview();
}
Element.IsDialogVisible = false;
};
SetNativeControl(textField);
Control.ShouldChangeCharacters += (field, range, replacementString) => false;
//Control.ShouldBeginEditing = t => { return false; };
Control.SetCornerRadius((nfloat)element.CornerRadius, UIRectCorner.AllCorners);
picker = new UIPickerView();
Control.InputView = picker;
SetModel(element);
SetItemsSource();
SetAccesibilityLabel(element);
SetSelectedIndex(element);
//SetText(element);
SetTextColor(element);
SetTextAlignment(element);
SetBorder(element);
SetFont(element);
SetImages((double)this.Control.Frame.Height);
AddDoneButton();
}