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Last updated 2025-05-15 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.test.espresso.base\n===========================\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/androidx/test/espresso/base/package-summary \"View this page in Java\")\n\nInterfaces\n----------\n\n|------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [ActiveRootLister](/reference/kotlin/androidx/test/espresso/base/ActiveRootLister) | Provides access to all root views in an application. |\n| [IdlingUiController](/reference/kotlin/androidx/test/espresso/base/IdlingUiController) | Similar to [UiController](/reference/kotlin/androidx/test/espresso/UiController) but with one additional method that enables getting an instance of [IdlingResourceRegistry](/reference/kotlin/androidx/test/espresso/base/IdlingResourceRegistry). |\n| [InterruptableUiController](/reference/kotlin/androidx/test/espresso/base/InterruptableUiController) | Similar to [UiController](/reference/kotlin/androidx/test/espresso/UiController) but with one additional method that enables interrupting Espresso tasks. |\n\nClasses\n-------\n\n|------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|\n| [DefaultFailureHandler](/reference/kotlin/androidx/test/espresso/base/DefaultFailureHandler) | Espresso's default [FailureHandler](/reference/kotlin/androidx/test/espresso/FailureHandler). |\n| [IdlingResourceRegistry](/reference/kotlin/androidx/test/espresso/base/IdlingResourceRegistry) | Keeps track of user-registered [IdlingResources](/reference/kotlin/androidx/test/espresso/IdlingResource). |\n| [PlatformTestStorageModule](/reference/kotlin/androidx/test/espresso/base/PlatformTestStorageModule) | Dagger module for creating [PlatformTestStorage](/reference/kotlin/androidx/test/platform/io/PlatformTestStorage) instances. |\n| [RootViewPicker](/reference/kotlin/androidx/test/espresso/base/RootViewPicker) | Provides the root View of the top-most Window, with which the user can interact. |\n| [ViewFinderImpl](/reference/kotlin/androidx/test/espresso/base/ViewFinderImpl) | Implementation of [ViewFinder](/reference/kotlin/androidx/test/espresso/ViewFinder). |\n\nAnnotations\n-----------\n\n|------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------|\n| [Default](/reference/kotlin/androidx/test/espresso/base/Default) | Annotates a default provider. |\n| [MainThread](/reference/kotlin/androidx/test/espresso/base/MainThread) | Annotates an Executor that executes tasks on the main thread |\n| [RootViewPickerScope](/reference/kotlin/androidx/test/espresso/base/RootViewPickerScope) | Scope for components that use [RootViewPicker](/reference/kotlin/androidx/test/espresso/base/RootViewPicker). |"]]