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Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.test.espresso.base\n===========================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/test/espresso/base/package-summary \"View this page in Kotlin\") \\|Java\n\nAnnotations\n-----------\n\n|-----------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------|\n| [Default](/reference/androidx/test/espresso/base/Default) | Annotates a default provider. |\n| [MainThread](/reference/androidx/test/espresso/base/MainThread) | Annotates an Executor that executes tasks on the main thread |\n| [RootViewPickerScope](/reference/androidx/test/espresso/base/RootViewPickerScope) | Scope for components that use [RootViewPicker](/reference/androidx/test/espresso/base/RootViewPicker). |\n\nInterfaces\n----------\n\n|-----------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [ActiveRootLister](/reference/androidx/test/espresso/base/ActiveRootLister) | Provides access to all root views in an application. |\n| [IdlingUiController](/reference/androidx/test/espresso/base/IdlingUiController) | Similar to [UiController](/reference/androidx/test/espresso/UiController) but with one additional method that enables getting an instance of [IdlingResourceRegistry](/reference/androidx/test/espresso/base/IdlingResourceRegistry). |\n| [InterruptableUiController](/reference/androidx/test/espresso/base/InterruptableUiController) | Similar to [UiController](/reference/androidx/test/espresso/UiController) but with one additional method that enables interrupting Espresso tasks. |\n\nClasses\n-------\n\n|-----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------|\n| [DefaultFailureHandler](/reference/androidx/test/espresso/base/DefaultFailureHandler) | Espresso's default [FailureHandler](/reference/androidx/test/espresso/FailureHandler). |\n| [IdlingResourceRegistry](/reference/androidx/test/espresso/base/IdlingResourceRegistry) | Keeps track of user-registered [IdlingResources](/reference/androidx/test/espresso/IdlingResource). |\n| [PlatformTestStorageModule](/reference/androidx/test/espresso/base/PlatformTestStorageModule) | Dagger module for creating [PlatformTestStorage](/reference/androidx/test/platform/io/PlatformTestStorage) instances. |\n| [RootViewPicker](/reference/androidx/test/espresso/base/RootViewPicker) | Provides the root View of the top-most Window, with which the user can interact. |\n| [ViewFinderImpl](/reference/androidx/test/espresso/base/ViewFinderImpl) | Implementation of [ViewFinder](/reference/androidx/test/espresso/ViewFinder). |"]]
