{% setvar book_path %}/reference/androidx/_book.yaml{% endsetvar %} {% include "_shared/_reference-head-tags.html" %}

KeyEventAction

public final class KeyEventAction extends KeyEventActionBase

java.lang.Object
↳	androidx.test.espresso.action.KeyEventActionBase
	↳	androidx.test.espresso.action.KeyEventAction

Enables pressing KeyEvents on views.

Summary

Public constructors
`KeyEventAction(EspressoKey espressoKey)`

Public methods
`void`	`perform(UiController uiController, View view)` Performs this action on the given view.

`Matcher<View>`	`getConstraints()` A mechanism for ViewActions to specify what type of views they can operate on.
`String`	`getDescription()` Returns a description of the view action.

`static final int`	`BACK_ACTIVITY_TRANSITION_MILLIS_DELAY`
`static final int`	`CLEAR_TRANSITIONING_ACTIVITIES_ATTEMPTS`
`static final int`	`CLEAR_TRANSITIONING_ACTIVITIES_MILLIS_DELAY`

public KeyEventAction(EspressoKey espressoKey)

public void perform(UiController uiController, View view)

Performs this action on the given view.

Parameters
`UiController uiController`	the controller to use to interact with the UI.
`View view`	the view to act upon. never null.