NotificationCenter Namespace
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
The NotificationCenter namespace provides classes for creating and updating widgets in the Today view.
Classes
| NCWidgetController |
Coordinates the display of a widget's content with its containing app. |
| NCWidgetListViewController | |
| NCWidgetListViewControllerDidRemoveRowEventArgs | |
| NCWidgetListViewControllerDidReorderEventArgs | |
| NCWidgetListViewDelegate | |
| NCWidgetListViewDelegate_Extensions | |
| NCWidgetProviding |
Customizes the appearance and behavior of a widget. |
| NCWidgetProviding_Extensions |
Extension methods to the INCWidgetProviding interface to support all the methods from the NCWidgetProviding protocol. |
| NCWidgetSearchViewController | |
| NCWidgetSearchViewDelegate | |
| NSExtensionContext_NCWidgetAdditions |
Extension context methods and properties for an NDWidget. |
| NSWidgetSearchForTermEventArgs | |
| NSWidgetSearchResultSelectedEventArgs | |
| UIVibrancyEffect_NotificationCenter |
Defines the appropriate vibrancy effect for widgets (extensions) displayed in the Today view. |
Interfaces
| INCWidgetListViewDelegate | |
| INCWidgetProviding |
Interface representing the required methods (if any) of the protocol NCWidgetProviding. |
| INCWidgetSearchViewDelegate | |
Enums
| NCUpdateResult |
Enumerates values that describe what happened after the application developer attempted to change the state of a widget by using the WidgetPerformUpdate(Action<NCUpdateResult>) method. |
| NCWidgetDisplayMode |
Enumerates widget display modes. |
Delegates
| NCWidgetListViewControllerShouldRemoveRow | |
| NCWidgetListViewControllerShouldReorderRow | |
| NCWidgetListViewGetController |
Remarks
The NotificationCenter namespace, added in iOS 8, allows the creations of widgets, that is, extensions to the Today view.