Skip to content

Most visited

Recently visited



Default Annotates a default provider. 
MainThread Annotates an Executor that executes tasks on the main thread  
RootViewPickerScope Scope for components that use RootViewPicker


ActiveRootLister Provides access to all root views in an application. 
InterruptableUiController Similar to UiController but with one additional method that enables interrupting Espresso tasks. 


BaseLayerModule Dagger module for creating the implementation classes within the base package. 
BaseLayerModule.FailureHandlerHolder Holder for AtomicReference which allows updating it at runtime. 
RootViewPicker Provides the root View of the top-most Window, with which the user can interact. 
UiControllerModule Dagger module for UiController. 
ViewFinderImpl Implementation of ViewFinder
This site uses cookies to store your preferences for site-specific language and display options.

Get the latest Android developer news and tips that will help you find success on Google Play.

* Required Fields


在微信上关注 Google Developers

Browse this site in ?

You requested a page in , but your language preference for this site is .

Would you like to change your language preference and browse this site in ? If you want to change your language preference later, use the language menu at the bottom of each page.

This class requires API level or higher

This doc is hidden because your selected API level for the documentation is . You can change the documentation API level with the selector above the left navigation.

For more information about specifying the API level your app requires, read Supporting Different Platform Versions.

Take a short survey?
Help us improve the Android developer experience. (Dec 2017 Android Platform & Tools Survey)