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application.md

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Application

Inheritance: Element
Xamarin.Forms documentation: Application API

Constructors

Constructors Description
Application<‘msg, ‘marker when ‘marker :> IPage>(mainPage: WidgetBuilder<‘msg, ‘marker>) Creates a new instance of the Application with a Page

Properties

Properties Description
userAppTheme(value: OSAppTheme) Sets the application theme.
resources(value: ResourceDictionary) Sets the global resources for the application.
reference(value: ViewRef<Application>) Sets a ViewRef instance to retrieve the Xamarin.Forms.Application instance associated to this widget

Events

Properties Description
onRequestedThemeChanged(onRequestedThemeChanged: OSAppTheme -> ‘msg) Event that is fired when the application theme is changed.
onModalPopped(onModalPopped: ModalPoppedEventArgs -> ‘msg) Event that is fired when a modal page is popped.
onModalPopping(onModalPopping: ModalPoppingEventArgs -> ‘msg) Event that is fired when a modal page is popping.
onModalPushed(onModalPushed: ModalPushedEventArgs -> ‘msg) Event that is fired when a modal page is pushed.
onModalPushing(onModalPushing: ModalPushingEventArgs -> ‘msg) Event that is fired when a modal page is pushing.
onStart(onStart: ‘msg) Dispatch a message when the application starts
onSleep(onSleep: ‘msg) Dispatch a message when the application is paused by the OS
onResume(onResume: ‘msg) Dispatch a message when the application is resumed by the OS

Usages 

Application(
    ContentPage(
        "Title",
        Stack() {
            Label("Hello World!")
        }
    )
)
  .userAppTheme(OSAppTheme.Light)
  .onRequestedThemeChanged(ThemeChanged)
  .onModalPopped(ModalPopped)
  .onModalPopping(ModalPopping)
  .onModalPushed(ModalPushed)
  .onModalPushing(ModalPushing)
  .onStart(Started)
  .onSleep(WentToSleep)
  .onResume(Resumed)

Get access to the underlying Xamarin.Forms.Entry 

let applicationRef = ViewRef<Application>()

Application(
    ContentPage(
        "Tilte",
        Stack() {
            Label("Hello World!")
        }
    )
).reference(applicationRef)