IUIApplicationDelegate Interface

Reference

Definition

Namespace:: UIKit

Assembly:: Xamarin.iOS.dll

Important

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Interface representing the required methods (if any) of the protocol UIApplicationDelegate.

[Foundation.Protocol(Name="UIApplicationDelegate", WrapperType=typeof(UIKit.UIApplicationDelegateWrapper))]
public interface IUIApplicationDelegate : IDisposable, ObjCRuntime.INativeObject

type IUIApplicationDelegate = interface
    interface INativeObject
    interface IDisposable

Derived: CarPlay.CPApplicationDelegate

CarPlay.ICPApplicationDelegate

UIKit.UIApplicationDelegate

Attributes: ProtocolAttribute

Implements: INativeObject IDisposable

Remarks

This interface contains the required methods (if any) from the protocol defined by UIApplicationDelegate.

If developers create classes that implement this interface, the implementation methods will automatically be exported to Objective-C with the matching signature from the method defined in the UIApplicationDelegate protocol.

Optional methods (if any) are provided by the UIApplicationDelegate_Extensions class as extension methods to the interface, allowing developers to invoke any optional methods on the protocol.

Properties

Handle

Handle (pointer) to the unmanaged object representation.

(Inherited from INativeObject)

Extension Methods

AccessibilityPerformMagicTap(IUIApplicationDelegate)	Performs the most important action of the app. Often, this is toggling the most important state of the app.
ApplicationSignificantTimeChange(IUIApplicationDelegate, UIApplication)	Indicates a significant change in time, such as midnight, change to Daylight Savings, or a shift in timezone.
ChangedStatusBarFrame(IUIApplicationDelegate, UIApplication, CGRect)	Indicates that the frame of the status bar has changed.
ContinueUserActivity(IUIApplicationDelegate, UIApplication, NSUserActivity, UIApplicationRestorationHandler)	Informs the app that there is data associated with continuing a task specified as a NSUserActivity object, and then returns whether the app continued the activity.
DidChangeStatusBarOrientation(IUIApplicationDelegate, UIApplication, UIInterfaceOrientation)	Indicates that the orientation of the status bar has changed.
DidDecodeRestorableState(IUIApplicationDelegate, UIApplication, NSCoder)	Indicates that the app should restore highest-level state.
DidEnterBackground(IUIApplicationDelegate, UIApplication)	Indicates that the application has entered the background.
DidFailToContinueUserActivitiy(IUIApplicationDelegate, UIApplication, String, NSError)	Informs the app that the activity of the `userActivityType` type could not be continued, and specifies a `error` as the reason for the failure.
DidReceiveRemoteNotification(IUIApplicationDelegate, UIApplication, NSDictionary, Action<UIBackgroundFetchResult>)	Indicates that the app received a remote notification.
DidRegisterUserNotificationSettings(IUIApplicationDelegate, UIApplication, UIUserNotificationSettings)	Developers should not use this deprecated method. Developers should use 'UNUserNotificationCenter.RequestAuthorization' instead.
FailedToRegisterForRemoteNotifications(IUIApplicationDelegate, UIApplication, NSError)	Indicates that Apple Push Service did not successfully compete the registration process.
FinishedLaunching(IUIApplicationDelegate, UIApplication, NSDictionary)	Indicates that launching has finished and the app will shortly begin running.
FinishedLaunching(IUIApplicationDelegate, UIApplication)	The application has finished launching.
GetSupportedInterfaceOrientations(IUIApplicationDelegate, UIApplication, UIWindow)	The interface orientations supported by the app.
GetViewController(IUIApplicationDelegate, UIApplication, String[], NSCoder)	Retrieves the UIViewController identified by the last value in the restorationIdentifierComponents parameter.
GetWindow(IUIApplicationDelegate)
HandleAction(IUIApplicationDelegate, UIApplication, String, NSDictionary, NSDictionary, Action)	Informs the app of a custom action to perform based on a remote notification, and includes the `actionIdentifier` value, `remoteNoticationInfo` data from the notification, and `completionHandler` for the app developer to run after performing the action.
HandleAction(IUIApplicationDelegate, UIApplication, String, NSDictionary, Action)	Informs the app of a custom action to perform based on a push notification, and includes the `actionIdentifier` value, `remoteNoticationInfo` data from the notification, and `completionHandler` for the app developer to run after performing the action.
HandleAction(IUIApplicationDelegate, UIApplication, String, UILocalNotification, NSDictionary, Action)	Informs the app of a custom action to perform based on a local notification, and includes the `actionIdentifier` value, `responseInfo` data from the notification, and `completionHandler` for the app developer to run after performing the action.
HandleAction(IUIApplicationDelegate, UIApplication, String, UILocalNotification, Action)	Informs the app that the user selected an action identified by the `actionIdentifier` value from an alert of a UILocalNotification object, and executes the `completionHandler` block after it completes the action.
HandleEventsForBackgroundUrl(IUIApplicationDelegate, UIApplication, String, Action)	Raised when events relating to a background T:UIKit.NSUrlSession are waiting to be processed.
HandleIntent(IUIApplicationDelegate, UIApplication, INIntent, Action<INIntentResponse>)	The system is requesting that the application handle the specified `intent`.
HandleOpenURL(IUIApplicationDelegate, UIApplication, NSUrl)	Developers should use M:UIKit.UIApplicationDelegate.OpenUrl* rather than this deprecated method.
HandleWatchKitExtensionRequest(IUIApplicationDelegate, UIApplication, NSDictionary, Action<NSDictionary>)	A watchkit extension has made a request.
OnActivated(IUIApplicationDelegate, UIApplication)	The app has moved from the inactive to actie state.
OnResignActivation(IUIApplicationDelegate, UIApplication)	The app is about to move from the active state to the inactive state.
OpenUrl(IUIApplicationDelegate, UIApplication, NSUrl, NSDictionary)	Indicates that the application should open the specified `url` with context from `options`.
OpenUrl(IUIApplicationDelegate, UIApplication, NSUrl, String, NSObject)	Loads a resource from the specified URL.
PerformActionForShortcutItem(IUIApplicationDelegate, UIApplication, UIApplicationShortcutItem, UIOperationHandler)	Called by the system when the user initiates a Home screen quick action, unless the interaction was handled in WillFinishLaunching(UIApplication, NSDictionary) or M:UIKit.UIApplicationDelegate.DidFinishLaunching*.
PerformFetch(IUIApplicationDelegate, UIApplication, Action<UIBackgroundFetchResult>)	Indicates that the application can begin a fetch operation if it has data to download.
ProtectedDataDidBecomeAvailable(IUIApplicationDelegate, UIApplication)	Protected files are now available.
ProtectedDataWillBecomeUnavailable(IUIApplicationDelegate, UIApplication)	Indicates that protected files are about to be encrypted and unavailable for reading.
ReceivedLocalNotification(IUIApplicationDelegate, UIApplication, UILocalNotification)	Indicates that the app received a local notification.
ReceivedRemoteNotification(IUIApplicationDelegate, UIApplication, NSDictionary)	Indicates that the app received a remote notification.
ReceiveMemoryWarning(IUIApplicationDelegate, UIApplication)	The app has received a low-memory warning from the system.
RegisteredForRemoteNotifications(IUIApplicationDelegate, UIApplication, NSData)	Indicates that the device successfully registered with Apple Push Service.
SetWindow(IUIApplicationDelegate, UIWindow)
ShouldAllowExtensionPointIdentifier(IUIApplicationDelegate, UIApplication, NSString)	Requests permission from the app to run app extensions based on the extension point identified by `extensionPointIdentifier`.
ShouldRequestHealthAuthorization(IUIApplicationDelegate, UIApplication)	The system calls this method when the developer's app should ask the user for access to HealthKit data.
ShouldRestoreApplicationState(IUIApplicationDelegate, UIApplication, NSCoder)	Whether the application should restore saved state information.
ShouldSaveApplicationState(IUIApplicationDelegate, UIApplication, NSCoder)	Whether the application should save application state information.
UserActivityUpdated(IUIApplicationDelegate, UIApplication, NSUserActivity)	Informs the app that the NSUserActivity object in `userActivity` has been updated.
UserDidAcceptCloudKitShare(IUIApplicationDelegate, UIApplication, CKShareMetadata)
WillChangeStatusBarFrame(IUIApplicationDelegate, UIApplication, CGRect)	Indicates that the frame of the status bar is about to change.
WillChangeStatusBarOrientation(IUIApplicationDelegate, UIApplication, UIInterfaceOrientation, Double)	Indicates that the orientation of the status bar is about to change.
WillContinueUserActivity(IUIApplicationDelegate, UIApplication, String)	Informs the app that the user is attempting to continue a `userActivityType` action for which data might not be available, and returns to notify the user that the app will continue the activity.
WillEncodeRestorableState(IUIApplicationDelegate, UIApplication, NSCoder)	Indicates that the app is about to store application state data.
WillEnterForeground(IUIApplicationDelegate, UIApplication)	Indicates that the application is about to enter the foreground.
WillFinishLaunching(IUIApplicationDelegate, UIApplication, NSDictionary)	Indicates that the app is about to finish its launching procedures.
WillTerminate(IUIApplicationDelegate, UIApplication)	Indicates that the app is about to terminate.

Applies to

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