OnBackInvokedInput

Kotlin |Java

android

@RequiresApi(value = 33)
class OnBackInvokedInput : NavigationEventInput

kotlin.Any
↳	androidx.navigationevent.NavigationEventInput
	↳	androidx.navigationevent.OnBackInvokedInput

Provides input from OnBackInvokedCallback to the given NavigationEventDispatcher.

Summary

Public constructors
`OnBackInvokedInput(onBackInvokedDispatcher: OnBackInvokedDispatcher)`	android

Protected functions
`open Unit`	`onAdded(dispatcher: NavigationEventDispatcher)` Called after this `NavigationEventInput` is added to `dispatcher`.	android
`open Unit`	`onHasEnabledCallbacksChanged(hasEnabledCallbacks: Boolean)` Callback that will be notified when the connected dispatcher's `hasEnabledCallbacks` changes.	android
`open Unit`	`onRemoved()` Called after this `NavigationEventInput` is removed from a `NavigationEventDispatcher`.	android

`Unit`	`@MainThread dispatchOnCancelled()` Call `dispatchOnCancelled` on the connected dispatcher.	android
`Unit`	`@MainThread dispatchOnCompleted()` Call `dispatchOnCompleted` on the connected dispatcher.	android
`Unit`	`@MainThread dispatchOnProgressed(event: NavigationEvent)` Call `dispatchOnProgressed` on the connected dispatcher.	android
`Unit`	`@MainThread dispatchOnStarted(event: NavigationEvent)` Call `dispatchOnStarted` on the connected dispatcher.	android

android

OnBackInvokedInput(onBackInvokedDispatcher: OnBackInvokedDispatcher)

android

protected open fun onAdded(dispatcher: NavigationEventDispatcher): Unit

Called after this NavigationEventInput is added to dispatcher. This can happen when calling NavigationEventDispatcher.addInput. A NavigationEventInput can only be added to one NavigationEventDispatcher at a time.

Parameters
`dispatcher: NavigationEventDispatcher`	The `NavigationEventDispatcher` that this input is now added to.

android

protected open fun onHasEnabledCallbacksChanged(hasEnabledCallbacks: Boolean): Unit

Callback that will be notified when the connected dispatcher's hasEnabledCallbacks changes.

Parameters
`hasEnabledCallbacks: Boolean`	Whether the connected dispatcher has any enabled callbacks.

android

protected open fun onRemoved(): Unit