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

Root

class Root

Represents a root view in the application and optionally the layout params of the window holding it.

This class is used internally to determine which view root to run user provided matchers against it is not part of the public api.

Summary

Nested types
Root.Builder

Public constructors

Public functions
View!
EspressoOptional<LayoutParams!>!
Boolean

Checks if the Root is ready.
String!

Public constructors

Root

Root()

Public functions

getDecorView

fun getDecorView(): View!

getWindowLayoutParams

fun getWindowLayoutParams(): EspressoOptional<LayoutParams!>!

isReady

fun isReady(): Boolean

Checks if the Root is ready. The UI is no longer in flux if layout of the root view is not being requested and the root view has window focus or is focusable.

Returns
Boolean

if the root view has focus

toString

fun toString(): String!