core/androidx.core.view.accessibility/AccessibilityNodeInfoCompat

AccessibilityNodeInfoCompat

open class AccessibilityNodeInfoCompat(source)

Helper for accessing android.view.accessibility.AccessibilityNodeInfo in a backwards compatible fashion.

Constructors

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constructor(info: Any)
Creates a new instance wrapping an android.view.accessibility.AccessibilityNodeInfo.

Types

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open class AccessibilityActionCompat
A class defining an action that can be performed on an AccessibilityNodeInfo.
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open class CollectionInfoCompat
Class with information if a node is a collection.
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open class CollectionItemInfoCompat
Class with information if a node is a collection item.
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open class RangeInfoCompat
Class with information if a node is a range.
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class TouchDelegateInfoCompat
Class with information of touch delegated views and regions.

Properties

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val ACTION_ACCESSIBILITY_FOCUS: Int = 64
Action that gives accessibility focus to the node.
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val ACTION_ARGUMENT_COLUMN_INT: String = "android.view.accessibility.action.ARGUMENT_COLUMN_INT"
Argument for specifying the collection column to make visible on screen.
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val ACTION_ARGUMENT_DIRECTION_INT: String = "androidx.core.view.accessibility.action.ARGUMENT_DIRECTION_INT"
Argument to represent the direction when using ACTION_SCROLL_IN_DIRECTION.
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val ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN: String = "ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN"
Argument for whether when moving at granularity to extend the selection or to move it otherwise.
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val ACTION_ARGUMENT_HTML_ELEMENT_STRING: String = "ACTION_ARGUMENT_HTML_ELEMENT_STRING"
Argument for which HTML element to get moving to the next/previous HTML element.
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val ACTION_ARGUMENT_MOVE_WINDOW_X: String = "ACTION_ARGUMENT_MOVE_WINDOW_X"
Argument for specifying the x coordinate to which to move a window.
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val ACTION_ARGUMENT_MOVE_WINDOW_Y: String = "ACTION_ARGUMENT_MOVE_WINDOW_Y"
Argument for specifying the y coordinate to which to move a window.
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val ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT: String = "ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT"
Argument for which movement granularity to be used when traversing the node text.
val ACTION_ARGUMENT_PRESS_AND_HOLD_DURATION_MILLIS_INT: String = "android.view.accessibility.action.ARGUMENT_PRESS_AND_HOLD_DURATION_MILLIS_INT"
Argument to represent the duration in milliseconds to press and hold a node.
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val ACTION_ARGUMENT_PROGRESS_VALUE: String = "android.view.accessibility.action.ARGUMENT_PROGRESS_VALUE"
Argument for specifying the progress value to set.
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val ACTION_ARGUMENT_ROW_INT: String = "android.view.accessibility.action.ARGUMENT_ROW_INT"
Argument for specifying the collection row to make visible on screen.
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val ACTION_ARGUMENT_SCROLL_AMOUNT_FLOAT: String = "androidx.core.view.accessibility.action.ARGUMENT_SCROLL_AMOUNT_FLOAT"
Argument to represent the scroll amount as a percent of the visible area of a node, with 1.0F as the default.
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val ACTION_ARGUMENT_SELECTION_END_INT: String = "ACTION_ARGUMENT_SELECTION_END_INT"
Argument for specifying the selection end.
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val ACTION_ARGUMENT_SELECTION_START_INT: String = "ACTION_ARGUMENT_SELECTION_START_INT"
Argument for specifying the selection start.
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val ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE: String = "ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE"
Argument for specifying the text content to set Type: CharSequenceActions:ACTION_SET_TEXT
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val ACTION_CLEAR_ACCESSIBILITY_FOCUS: Int = 128
Action that clears accessibility focus of the node.
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val ACTION_CLEAR_FOCUS: Int = 2
Action that unfocuses the node.
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val ACTION_CLEAR_SELECTION: Int = 8
Action that unselects the node.
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val ACTION_CLICK: Int = 16
Action that clicks on the node info.
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val ACTION_COLLAPSE: Int = 524288
Action to collapse an expandable node.
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val ACTION_COPY: Int = 16384
Action to copy the current selection to the clipboard.
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val ACTION_CUT: Int = 65536
Action to cut the current selection and place it to the clipboard.
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val ACTION_DISMISS: Int = 1048576
Action to dismiss a dismissible node.
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val ACTION_EXPAND: Int = 262144
Action to expand an expandable node.
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val ACTION_FOCUS: Int = 1
Action that focuses the node.
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val ACTION_LONG_CLICK: Int = 32
Action that long clicks on the node.
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val ACTION_NEXT_AT_MOVEMENT_GRANULARITY: Int = 256
Action that requests to go to the next entity in this node's text at a given movement granularity.
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val ACTION_NEXT_HTML_ELEMENT: Int = 1024
Action to move to the next HTML element of a given type.
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val ACTION_PASTE: Int = 32768
Action to paste the current clipboard content.
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val ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: Int = 512
Action that requests to go to the previous entity in this node's text at a given movement granularity.
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val ACTION_PREVIOUS_HTML_ELEMENT: Int = 2048
Action to move to the previous HTML element of a given type.
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val ACTION_SCROLL_BACKWARD: Int = 8192
Action to scroll the node content backward.
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val ACTION_SCROLL_FORWARD: Int = 4096
Action to scroll the node content forward.
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val ACTION_SELECT: Int = 4
Action that selects the node.
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val ACTION_SET_SELECTION: Int = 131072
Action to set the selection.
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val ACTION_SET_TEXT: Int = 2097152
Action that sets the text of the node.
val EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH: String = "android.core.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH"
Integer argument specifying the end index of the requested text location data.
val EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_MAX_LENGTH: Int = 20000
The maximum allowed length of the requested text location data.
val EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX: String = "android.core.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX"
Integer argument specifying the start index of the requested text location data.
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val EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY: String = "android.core.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_KEY"
Key used to request and locate extra data for text character location.
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val FLAG_PREFETCH_ANCESTORS: Int = 1
Prefetching strategy that prefetches the ancestors of the requested node.
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val FLAG_PREFETCH_DESCENDANTS_BREADTH_FIRST: Int = 16
Prefetching strategy that prefetches the descendants of the requested node breadth-first.
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val FLAG_PREFETCH_DESCENDANTS_DEPTH_FIRST: Int = 8
Prefetching strategy that prefetches the descendants of the requested node depth-first.
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val FLAG_PREFETCH_DESCENDANTS_HYBRID: Int = 4
Prefetching strategy that prefetches the descendants in a hybrid depth first and breadth first approach.
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val FLAG_PREFETCH_SIBLINGS: Int = 2
Prefetching strategy that prefetches the siblings of the requested node.
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val FLAG_PREFETCH_UNINTERRUPTIBLE: Int = 32
Prefetching flag that specifies prefetching should not be interrupted by a request to retrieve a node or perform an action on a node.
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val FOCUS_ACCESSIBILITY: Int = 2
The accessibility focus.
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val FOCUS_INPUT: Int = 1
The input focus.
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val MAX_NUMBER_OF_PREFETCHED_NODES: Int = 50
Maximum batch size of prefetched nodes for a request.
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val MOVEMENT_GRANULARITY_CHARACTER: Int = 1
Movement granularity bit for traversing the text of a node by character.
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val MOVEMENT_GRANULARITY_LINE: Int = 4
Movement granularity bit for traversing the text of a node by line.
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val MOVEMENT_GRANULARITY_PAGE: Int = 16
Movement granularity bit for traversing the text of a node by page.
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val MOVEMENT_GRANULARITY_PARAGRAPH: Int = 8
Movement granularity bit for traversing the text of a node by paragraph.
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val MOVEMENT_GRANULARITY_WORD: Int = 2
Movement granularity bit for traversing the text of a node by word.
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@RestrictTo(value = LIBRARY_GROUP_PREFIX)
open var mParentVirtualDescendantId: Int
androidx.customview.widget.ExploreByTouchHelper.

Functions

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open fun addAction(action: AccessibilityNodeInfoCompat.AccessibilityActionCompat)
open fun addAction(action: Int)
Adds an action that can be performed on the node.
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open fun addChild(child: View)
Adds a child.
open fun addChild(root: View, virtualDescendantId: Int)
Adds a virtual child which is a descendant of the given root.
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open fun canOpenPopup(): Boolean
Gets if this node opens a popup or a dialog.
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open fun equals(obj: Any): Boolean
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open fun findAccessibilityNodeInfosByViewId(viewId: String): List<AccessibilityNodeInfoCompat>
Finds AccessibilityNodeInfoCompats by the fully qualified view id's resource name where a fully qualified id is of the from "package:id/id_resource_name".
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open fun findFocus(focus: Int): AccessibilityNodeInfoCompat
Find the view that has the specified focus type.
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open fun focusSearch(direction: Int): AccessibilityNodeInfoCompat
Searches for the nearest view in the specified direction that can take input focus.
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open fun getActionList(): List<AccessibilityNodeInfoCompat.AccessibilityActionCompat>
Gets the actions that can be performed on the node.
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open fun getActions(): Int
Gets the actions that can be performed on the node.
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@NonNull
open fun getAvailableExtraData(): List<String>
Get the extra data available for this node.
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open fun getBoundsInParent(outBounds: Rect)
Gets the node bounds in the viewParent's coordinates.
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open fun getBoundsInScreen(outBounds: Rect)
Gets the node bounds in screen coordinates.
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open fun getBoundsInWindow(@NonNull outBounds: Rect)
Gets the node bounds in window coordinates.
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open fun getChild(index: Int): AccessibilityNodeInfoCompat
@Nullable
open fun getChild(index: Int, prefetchingStrategy: Int): AccessibilityNodeInfoCompat
Get the child at given index.
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open fun getChildCount(): Int
Gets the number of children.
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open fun getClassName(): CharSequence
Gets the class this node comes from.
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open fun getCollectionInfo(): AccessibilityNodeInfoCompat.CollectionInfoCompat
Gets the collection info if the node is a collection.
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open fun getCollectionItemInfo(): AccessibilityNodeInfoCompat.CollectionItemInfoCompat
Gets the collection item info if the node is a collection item.
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@Nullable
open fun getContainerTitle(): CharSequence
Returns the container title.
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open fun getContentDescription(): CharSequence
Gets the content description of this node.
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open fun getDrawingOrder(): Int
Get the drawing order of the view corresponding it this node.
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open fun getError(): CharSequence
Gets the error text of this node.
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@Nullable
open fun getExtraRenderingInfo(): AccessibilityNodeInfo.ExtraRenderingInfo
Gets the extra rendering info if the node is meant to be refreshed with extra data to examine rendering related accessibility issues.
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open fun getExtras(): Bundle
Gets an optional bundle with extra data.
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@Nullable
open fun getHintText(): CharSequence
Gets the hint text of this node.
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open fun getInfo(): Any
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open fun getInputType(): Int
Gets the input type of the source as defined by InputType.
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open fun getLabeledBy(): AccessibilityNodeInfoCompat
Gets the node info which serves as the label of the view represented by this info for accessibility purposes.
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open fun getLabelFor(): AccessibilityNodeInfoCompat
Gets the node info for which the view represented by this info serves as a label for accessibility purposes.
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open fun getLiveRegion(): Int
Gets the node's live region mode.
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open fun getMaxTextLength(): Int
Returns the maximum text length for this node.
open fun getMinDurationBetweenContentChangesMillis(): Long
Gets the minimum time duration between two content change events.
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open fun getMovementGranularities(): Int
Gets the movement granularities for traversing the text of this node.
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open fun getPackageName(): CharSequence
Gets the package this node comes from.
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@Nullable
open fun getPaneTitle(): CharSequence
Get the title of the pane represented by this node.
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open fun getParent(): AccessibilityNodeInfoCompat
@Nullable
open fun getParent(prefetchingStrategy: Int): AccessibilityNodeInfoCompat
Gets the parent.
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open fun getRangeInfo(): AccessibilityNodeInfoCompat.RangeInfoCompat
Gets the range info if this node is a range.
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@Nullable
open fun getRoleDescription(): CharSequence
Gets the custom role description.
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@Nullable
open fun getStateDescription(): CharSequence
Gets the state description of this node.
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open fun getText(): CharSequence
Gets the text of this node.
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open fun getTextSelectionEnd(): Int
Gets the text selection end.
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open fun getTextSelectionStart(): Int
Gets the text selection start.
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@Nullable
open fun getTooltipText(): CharSequence
Gets the tooltip text of this node.
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@Nullable
open fun getTouchDelegateInfo(): AccessibilityNodeInfoCompat.TouchDelegateInfoCompat
Get the TouchDelegateInfoCompat for touch delegate behavior with the represented view.
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open fun getTraversalAfter(): AccessibilityNodeInfoCompat
Gets the node after which this one is visited in accessibility traversal.
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open fun getTraversalBefore(): AccessibilityNodeInfoCompat
Gets the node before which this one is visited during traversal.
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@Nullable
open fun getUniqueId(): String
Gets the unique id of this node.
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open fun getViewIdResourceName(): String
Gets the fully qualified resource name of the source view's id.
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open fun getWindow(): AccessibilityWindowInfoCompat
Gets the window to which this node belongs.
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open fun getWindowId(): Int
Gets the id of the window from which the info comes from.
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open fun hashCode(): Int
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open fun isAccessibilityDataSensitive(): Boolean
Gets if the node's accessibility data is considered sensitive.
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open fun isAccessibilityFocused(): Boolean
Gets whether this node is accessibility focused.
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open fun isCheckable(): Boolean
Gets whether this node is checkable.
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open fun isChecked(): Boolean
Gets whether this node is checked.
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open fun isClickable(): Boolean
Gets whether this node is clickable.
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open fun isContentInvalid(): Boolean
Gets if the content of this node is invalid.
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open fun isContextClickable(): Boolean
Gets whether this node is context clickable.
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open fun isDismissable(): Boolean
Gets if the node can be dismissed.
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open fun isEditable(): Boolean
Gets if the node is editable.
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open fun isEnabled(): Boolean
Gets whether this node is enabled.
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open fun isFocusable(): Boolean
Gets whether this node is focusable.
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open fun isFocused(): Boolean
Gets whether this node is focused.
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open fun isGranularScrollingSupported(): Boolean
Gets if the node supports granular scrolling.
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open fun isHeading(): Boolean
Returns whether node represents a heading.
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open fun isImportantForAccessibility(): Boolean
Returns whether the node originates from a view considered important for accessibility.
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open fun isLongClickable(): Boolean
Gets whether this node is long clickable.
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open fun isMultiLine(): Boolean
Gets if the node is a multi line editable text.
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open fun isPassword(): Boolean
Gets whether this node is a password.
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open fun isScreenReaderFocusable(): Boolean
Returns whether the node is explicitly marked as a focusable unit by a screen reader.
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open fun isScrollable(): Boolean
Gets if the node is scrollable.
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open fun isSelected(): Boolean
Gets whether this node is selected.
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open fun isShowingHintText(): Boolean
Returns whether the node's text represents a hint for the user to enter text.
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open fun isTextEntryKey(): Boolean
Returns whether node represents a text entry key that is part of a keyboard or keypad.
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open fun isTextSelectable(): Boolean
Gets if the node has selectable text.
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open fun isVisibleToUser(): Boolean
Gets whether this node is visible to the user.
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open fun obtain(): AccessibilityNodeInfoCompat
Returns a cached instance if such is available otherwise a new one.
open fun obtain(source: View): AccessibilityNodeInfoCompat
open fun obtain(root: View, virtualDescendantId: Int): AccessibilityNodeInfoCompat
Returns a cached instance if such is available otherwise a new one and sets the source.
open fun obtain(info: AccessibilityNodeInfoCompat): AccessibilityNodeInfoCompat
Returns a cached instance if such is available or a new one is create.
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open fun performAction(action: Int): Boolean
open fun performAction(action: Int, arguments: Bundle): Boolean
Performs an action on the node.
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open fun recycle()
Return an instance back to be reused.
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open fun refresh(): Boolean
Refreshes this info with the latest state of the view it represents.
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open fun removeAction(action: AccessibilityNodeInfoCompat.AccessibilityActionCompat): Boolean
Removes an action that can be performed on the node.
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open fun removeChild(child: View): Boolean
Removes a child.
open fun removeChild(root: View, virtualDescendantId: Int): Boolean
Removes a virtual child which is a descendant of the given root.
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open fun setAccessibilityDataSensitive(accessibilityDataSensitive: Boolean)
Sets whether this node's accessibility data is considered sensitive.
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open fun setAccessibilityFocused(focused: Boolean)
Sets whether this node is accessibility focused.
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open fun setAvailableExtraData(@NonNull extraDataKeys: List<String>)
Set the extra data available for this node.
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open fun setBoundsInParent(bounds: Rect)
Sets the node bounds in the viewParent's coordinates.
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open fun setBoundsInScreen(bounds: Rect)
Sets the node bounds in screen coordinates.
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open fun setBoundsInWindow(@NonNull bounds: Rect)
Sets the node bounds in window coordinates.
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open fun setCanOpenPopup(opensPopup: Boolean)
Sets if this node opens a popup or a dialog.
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open fun setCheckable(checkable: Boolean)
Sets whether this node is checkable.
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open fun setChecked(checked: Boolean)
Sets whether this node is checked.
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open fun setClassName(className: CharSequence)
Sets the class this node comes from.
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open fun setClickable(clickable: Boolean)
Sets whether this node is clickable.
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open fun setCollectionInfo(collectionInfo: Any)
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open fun setCollectionItemInfo(collectionItemInfo: Any)
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open fun setContainerTitle(@Nullable containerTitle: CharSequence)
Sets the container title for app-developer-defined container which can be any type of ViewGroup or layout.
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open fun setContentDescription(contentDescription: CharSequence)
Sets the content description of this node.
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open fun setContentInvalid(contentInvalid: Boolean)
Sets if the content of this node is invalid.
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open fun setContextClickable(contextClickable: Boolean)
Sets whether this node is context clickable.
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open fun setDismissable(dismissable: Boolean)
Sets if the node can be dismissed.
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open fun setDrawingOrder(drawingOrderInParent: Int)
Set the drawing order of the view corresponding it this node.
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open fun setEditable(editable: Boolean)
Sets whether this node is editable.
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open fun setEnabled(enabled: Boolean)
Sets whether this node is enabled.
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open fun setError(error: CharSequence)
Sets the error text of this node.
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open fun setFocusable(focusable: Boolean)
Sets whether this node is focusable.
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open fun setFocused(focused: Boolean)
Sets whether this node is focused.
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open fun setGranularScrollingSupported(granularScrollingSupported: Boolean)
Sets if the node supports granular scrolling.
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open fun setHeading(isHeading: Boolean)
Sets whether the node represents a heading.
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open fun setHintText(@Nullable hintText: CharSequence)
Sets the hint text of this node.
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open fun setImportantForAccessibility(important: Boolean)
Sets whether the node is considered important for accessibility.
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open fun setInputType(inputType: Int)
Sets the input type of the source as defined by InputType.
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open fun setLabeledBy(label: View)
open fun setLabeledBy(root: View, virtualDescendantId: Int)
Sets the view which serves as the label of the view represented by this info for accessibility purposes.
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open fun setLabelFor(labeled: View)
open fun setLabelFor(root: View, virtualDescendantId: Int)
Sets the view for which the view represented by this info serves as a label for accessibility purposes.
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open fun setLiveRegion(mode: Int)
Sets the node's live region mode.
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open fun setLongClickable(longClickable: Boolean)
Sets whether this node is long clickable.
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open fun setMaxTextLength(max: Int)
Sets the maximum text length, or -1 for no limit.
open fun setMinDurationBetweenContentChangesMillis(duration: Long)
Sets the minimum time duration between two content change events, which is used in throttling content change events in accessibility services.
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open fun setMovementGranularities(granularities: Int)
Sets the movement granularities for traversing the text of this node.
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open fun setMultiLine(multiLine: Boolean)
Sets if the node is a multi line editable text.
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open fun setPackageName(packageName: CharSequence)
Sets the package this node comes from.
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open fun setPaneTitle(@Nullable paneTitle: CharSequence)
If this node represents a visually distinct region of the screen that may update separately from the rest of the window, it is considered a pane.
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open fun setParent(parent: View)
Sets the parent.
open fun setParent(root: View, virtualDescendantId: Int)
Sets the parent to be a virtual descendant of the given root.
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open fun setPassword(password: Boolean)
Sets whether this node is a password.
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open fun setQueryFromAppProcessEnabled(@NonNull view: View, enabled: Boolean)
Connects this node to the View's root so that operations on this node can query the entire AccessibilityNodeInfoCompat tree and perform accessibility actions on nodes.
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open fun setRangeInfo(rangeInfo: AccessibilityNodeInfoCompat.RangeInfoCompat)
Sets the range info if this node is a range.
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open fun setRequestInitialAccessibilityFocus(requestInitialAccessibilityFocus: Boolean)
Sets whether the node has requested initial accessibility focus.
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open fun setRoleDescription(@Nullable roleDescription: CharSequence)
Sets the custom role description.
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open fun setScreenReaderFocusable(screenReaderFocusable: Boolean)
Sets whether the node should be considered a focusable unit by a screen reader.
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open fun setScrollable(scrollable: Boolean)
Sets if the node is scrollable.
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open fun setSelected(selected: Boolean)
Sets whether this node is selected.
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open fun setShowingHintText(showingHintText: Boolean)
Sets whether the node's text represents a hint for the user to enter text.
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open fun setSource(source: View)
Sets the source.
open fun setSource(root: View, virtualDescendantId: Int)
Sets the source to be a virtual descendant of the given root.
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open fun setStateDescription(@Nullable stateDescription: CharSequence)
Sets the state description of this node.
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open fun setText(text: CharSequence)
Sets the text of this node.
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open fun setTextEntryKey(isTextEntryKey: Boolean)
Sets whether the node represents a text entry key that is part of a keyboard or keypad.
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open fun setTextSelectable(selectableText: Boolean)
Sets if the node has selectable text.
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open fun setTextSelection(start: Int, end: Int)
Sets the text selection start and end.
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open fun setTooltipText(@Nullable tooltipText: CharSequence)
Sets the tooltip text of this node.
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open fun setTouchDelegateInfo(@NonNull delegatedInfo: AccessibilityNodeInfoCompat.TouchDelegateInfoCompat)
Set touch delegate info if the represented view has a android.view.TouchDelegate.
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open fun setTraversalAfter(view: View)
Sets the view whose node is visited after this one in accessibility traversal.
open fun setTraversalAfter(root: View, virtualDescendantId: Int)
Sets the node after which this one is visited in accessibility traversal.
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open fun setTraversalBefore(view: View)
Sets the view before whose node this one should be visited during traversal.
open fun setTraversalBefore(root: View, virtualDescendantId: Int)
Sets the node before which this one is visited during traversal.
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open fun setUniqueId(@Nullable uniqueId: String)
Sets the unique id of this node.
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open fun setViewIdResourceName(viewId: String)
Sets the fully qualified resource name of the source view's id.
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open fun setVisibleToUser(visibleToUser: Boolean)
Sets whether this node is visible to the user.
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@NonNull
open fun toString(): String
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