ViewRootForTest

Artifact: androidx.compose.ui:ui

View Source

Added in 1.0.0

Common/AllAndroid/JVM

• android

  @VisibleForTesting
  interface ViewRootForTest : RootForTest

---

The marker interface to be implemented by the View backing the composition. To be used in tests.

Summary

Public companion properties
((ViewRootForTest) -> Unit)?	@VisibleForTesting onViewCreatedCallback Called after an View implementing ViewRootForTest is created.	android

Public functions
Unit	invalidateDescendants() Called to invalidate the Android View sub-hierarchy handled by this View.	android

Public properties
Boolean	hasPendingMeasureOrLayout Whether the Owner has pending layout work.	android
Boolean	isLifecycleInResumedState Returns true when the associated LifecycleOwner is in the resumed state	android
View	view The view backing this Owner.	android

Inherited functions

From androidx.compose.ui.node.RootForTest open Unit forceAccessibilityForTesting(enable: Boolean) Force accessibility to be enabled for testing. android open Unit measureAndLayoutForTest() Requests another layout (measure + placement) pass be performed for any nodes that need it. android Boolean sendKeyEvent(keyEvent: KeyEvent) Send this KeyEvent to the focused component in this Owner. android open Unit setAccessibilityEventBatchIntervalMillis(intervalMillis: Long) Set the time interval between sending accessibility events in milliseconds. android

Inherited properties
From androidx.compose.ui.node.RootForTest Density density Current device density. android SemanticsOwner semanticsOwner Semantics owner for this root. android TextInputService textInputService This property is deprecated. Use PlatformTextInputModifierNode instead. android

Public companion properties

onViewCreatedCallback

android

Added in 1.0.0

@VisibleForTesting
var onViewCreatedCallback: ((ViewRootForTest) -> Unit)?

Called after an View implementing ViewRootForTest is created. Used by AndroidComposeTestRule to keep track of all attached ComposeViews. Not to be set or used by any other component.

Public functions

invalidateDescendants

android

Added in 1.0.0

fun invalidateDescendants(): Unit

Called to invalidate the Android View sub-hierarchy handled by this View.

Public properties

hasPendingMeasureOrLayout

android

Added in 1.0.0

val hasPendingMeasureOrLayout: Boolean

Whether the Owner has pending layout work.

isLifecycleInResumedState

android

Added in 1.0.0

val isLifecycleInResumedState: Boolean

Returns true when the associated LifecycleOwner is in the resumed state

view

android

Added in 1.0.0

val view: View

The view backing this Owner.