added in API level 14

AccessibilityNodeInfo

public class AccessibilityNodeInfo
extends Object implements Parcelable

java.lang.Object
↳	android.view.accessibility.AccessibilityNodeInfo

This class represents a node of the window content as well as actions that can be requested from its source. From the point of view of an AccessibilityService a window's content is presented as a tree of accessibility node infos, which may or may not map one-to-one to the view hierarchy. In other words, a custom view is free to report itself as a tree of accessibility node info.

Once an accessibility node info is delivered to an accessibility service it is made immutable and calling a state mutation method generates an error.

Please refer to AccessibilityService for details about how to obtain a handle to window content as a tree of accessibility node info as well as details about the security model.

Developer Guides

For more information about making applications accessible, read the Accessibility developer guide.

See also:

Summary

Nested classes
`class`	`AccessibilityNodeInfo.AccessibilityAction` A class defining an action that can be performed on an `AccessibilityNodeInfo`.
`class`	`AccessibilityNodeInfo.CollectionInfo` Class with information if a node is a collection.
`class`	`AccessibilityNodeInfo.CollectionItemInfo` Class with information if a node is a collection item.
`class`	`AccessibilityNodeInfo.RangeInfo` Class with information if a node is a range.

Constants
`int`	`ACTION_ACCESSIBILITY_FOCUS` Action that gives accessibility focus to the node.
`String`	`ACTION_ARGUMENT_COLUMN_INT` Argument for specifying the collection column to make visible on screen.
`String`	`ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN` Argument for whether when moving at granularity to extend the selection or to move it otherwise.
`String`	`ACTION_ARGUMENT_HTML_ELEMENT_STRING` Argument for which HTML element to get moving to the next/previous HTML element.
`String`	`ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT` Argument for which movement granularity to be used when traversing the node text.
`String`	`ACTION_ARGUMENT_MOVE_WINDOW_X` Argument for specifying the x coordinate to which to move a window.
`String`	`ACTION_ARGUMENT_MOVE_WINDOW_Y` Argument for specifying the y coordinate to which to move a window.
`String`	`ACTION_ARGUMENT_PROGRESS_VALUE` Argument for specifying the progress value to set.
`String`	`ACTION_ARGUMENT_ROW_INT` Argument for specifying the collection row to make visible on screen.
`String`	`ACTION_ARGUMENT_SELECTION_END_INT` Argument for specifying the selection end.
`String`	`ACTION_ARGUMENT_SELECTION_START_INT` Argument for specifying the selection start.
`String`	`ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE` Argument for specifying the text content to set.
`int`	`ACTION_CLEAR_ACCESSIBILITY_FOCUS` Action that clears accessibility focus of the node.
`int`	`ACTION_CLEAR_FOCUS` Action that clears input focus of the node.
`int`	`ACTION_CLEAR_SELECTION` Action that deselects the node.
`int`	`ACTION_CLICK` Action that clicks on the node info.
`int`	`ACTION_COLLAPSE` Action to collapse an expandable node.
`int`	`ACTION_COPY` Action to copy the current selection to the clipboard.
`int`	`ACTION_CUT` Action to cut the current selection and place it to the clipboard.
`int`	`ACTION_DISMISS` Action to dismiss a dismissable node.
`int`	`ACTION_EXPAND` Action to expand an expandable node.
`int`	`ACTION_FOCUS` Action that gives input focus to the node.
`int`	`ACTION_LONG_CLICK` Action that long clicks on the node.
`int`	`ACTION_NEXT_AT_MOVEMENT_GRANULARITY` Action that requests to go to the next entity in this node's text at a given movement granularity.
`int`	`ACTION_NEXT_HTML_ELEMENT` Action to move to the next HTML element of a given type.
`int`	`ACTION_PASTE` Action to paste the current clipboard content.
`int`	`ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY` Action that requests to go to the previous entity in this node's text at a given movement granularity.
`int`	`ACTION_PREVIOUS_HTML_ELEMENT` Action to move to the previous HTML element of a given type.
`int`	`ACTION_SCROLL_BACKWARD` Action to scroll the node content backward.
`int`	`ACTION_SCROLL_FORWARD` Action to scroll the node content forward.
`int`	`ACTION_SELECT` Action that selects the node.
`int`	`ACTION_SET_SELECTION` Action to set the selection.
`int`	`ACTION_SET_TEXT` Action that sets the text of the node.
`String`	`EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH` Integer argument specifying the end index of the requested text location data.
`String`	`EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX` Integer argument specifying the start index of the requested text location data.
`String`	`EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY` Key used to request and locate extra data for text character location.
`int`	`FOCUS_ACCESSIBILITY` The accessibility focus.
`int`	`FOCUS_INPUT` The input focus.
`int`	`MOVEMENT_GRANULARITY_CHARACTER` Movement granularity bit for traversing the text of a node by character.
`int`	`MOVEMENT_GRANULARITY_LINE` Movement granularity bit for traversing the text of a node by line.
`int`	`MOVEMENT_GRANULARITY_PAGE` Movement granularity bit for traversing the text of a node by page.
`int`	`MOVEMENT_GRANULARITY_PARAGRAPH` Movement granularity bit for traversing the text of a node by paragraph.
`int`	`MOVEMENT_GRANULARITY_WORD` Movement granularity bit for traversing the text of a node by word.

Inherited constants

From interface


    android.os.Parcelable

Fields
`public static final Creator<AccessibilityNodeInfo>`	`CREATOR`

Public methods
`void`	`addAction(int action)` This method was deprecated in API level 21. This has been deprecated for `addAction(AccessibilityAction)`
`void`	`addAction(AccessibilityNodeInfo.AccessibilityAction action)` Adds an action that can be performed on the node.
`void`	`addChild(View root, int virtualDescendantId)` Adds a virtual child which is a descendant of the given `root`.
`void`	`addChild(View child)` Adds a child.
`boolean`	`canOpenPopup()` Gets if this node opens a popup or a dialog.
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`boolean`	`equals(Object object)` Indicates whether some other object is "equal to" this one.
`List<AccessibilityNodeInfo>`	`findAccessibilityNodeInfosByText(String text)` Finds `AccessibilityNodeInfo`s by text.
`List<AccessibilityNodeInfo>`	`findAccessibilityNodeInfosByViewId(String viewId)` Finds `AccessibilityNodeInfo`s by the fully qualified view id's resource name where a fully qualified id is of the from "package:id/id_resource_name".
`AccessibilityNodeInfo`	`findFocus(int focus)` Find the view that has the specified focus type.
`AccessibilityNodeInfo`	`focusSearch(int direction)` Searches for the nearest view in the specified direction that can take the input focus.
`List<AccessibilityNodeInfo.AccessibilityAction>`	`getActionList()` Gets the actions that can be performed on the node.
`int`	`getActions()` This method was deprecated in API level 21. Use `getActionList()`.
`List<String>`	`getAvailableExtraData()` Get the extra data available for this node.
`void`	`getBoundsInParent(Rect outBounds)` Gets the node bounds in parent coordinates.
`void`	`getBoundsInScreen(Rect outBounds)` Gets the node bounds in screen coordinates.
`AccessibilityNodeInfo`	`getChild(int index)` Get the child at given index.
`int`	`getChildCount()` Gets the number of children.
`CharSequence`	`getClassName()` Gets the class this node comes from.
`AccessibilityNodeInfo.CollectionInfo`	`getCollectionInfo()` Gets the collection info if the node is a collection.
`AccessibilityNodeInfo.CollectionItemInfo`	`getCollectionItemInfo()` Gets the collection item info if the node is a collection item.
`CharSequence`	`getContentDescription()` Gets the content description of this node.
`int`	`getDrawingOrder()` Get the drawing order of the view corresponding it this node.
`CharSequence`	`getError()` Gets the error text of this node.
`Bundle`	`getExtras()` Gets an optional bundle with extra data.
`CharSequence`	`getHintText()` Gets the hint text of this node.
`int`	`getInputType()` Gets the input type of the source as defined by `InputType`.
`AccessibilityNodeInfo`	`getLabelFor()` Gets the node info for which the view represented by this info serves as a label for accessibility purposes.
`AccessibilityNodeInfo`	`getLabeledBy()` Gets the node info which serves as the label of the view represented by this info for accessibility purposes.
`int`	`getLiveRegion()` Gets the node's live region mode.
`int`	`getMaxTextLength()` Returns the maximum text length for this node.
`int`	`getMovementGranularities()` Gets the movement granularities for traversing the text of this node.
`CharSequence`	`getPackageName()` Gets the package this node comes from.
`AccessibilityNodeInfo`	`getParent()` Gets the parent.
`AccessibilityNodeInfo.RangeInfo`	`getRangeInfo()` Gets the range info if this node is a range.
`CharSequence`	`getText()` Gets the text of this node.
`int`	`getTextSelectionEnd()` Gets the text selection end if text is selected.
`int`	`getTextSelectionStart()` Gets the text selection start or the cursor position.
`AccessibilityNodeInfo`	`getTraversalAfter()` Gets the node after which this one is visited in accessibility traversal.
`AccessibilityNodeInfo`	`getTraversalBefore()` Gets the node before which this one is visited during traversal.
`String`	`getViewIdResourceName()` Gets the fully qualified resource name of the source view's id.
`AccessibilityWindowInfo`	`getWindow()` Gets the window to which this node belongs.
`int`	`getWindowId()` Gets the id of the window from which the info comes from.
`int`	`hashCode()` Returns a hash code value for the object.
`boolean`	`isAccessibilityFocused()` Gets whether this node is accessibility focused.
`boolean`	`isCheckable()` Gets whether this node is checkable.
`boolean`	`isChecked()` Gets whether this node is checked.
`boolean`	`isClickable()` Gets whether this node is clickable.
`boolean`	`isContentInvalid()` Gets if the content of this node is invalid.
`boolean`	`isContextClickable()` Gets whether this node is context clickable.
`boolean`	`isDismissable()` Gets if the node can be dismissed.
`boolean`	`isEditable()` Gets if the node is editable.
`boolean`	`isEnabled()` Gets whether this node is enabled.
`boolean`	`isFocusable()` Gets whether this node is focusable.
`boolean`	`isFocused()` Gets whether this node is focused.
`boolean`	`isImportantForAccessibility()` Returns whether the node originates from a view considered important for accessibility.
`boolean`	`isLongClickable()` Gets whether this node is long clickable.
`boolean`	`isMultiLine()` Gets if the node is a multi line editable text.
`boolean`	`isPassword()` Gets whether this node is a password.
`boolean`	`isScrollable()` Gets if the node is scrollable.
`boolean`	`isSelected()` Gets whether this node is selected.
`boolean`	`isShowingHintText()` Returns whether the node's text represents a hint for the user to enter text.
`boolean`	`isVisibleToUser()` Gets whether this node is visible to the user.
`static AccessibilityNodeInfo`	`obtain(View root, int virtualDescendantId)` Returns a cached instance if such is available otherwise a new one and sets the source.
`static AccessibilityNodeInfo`	`obtain(AccessibilityNodeInfo info)` Returns a cached instance if such is available or a new one is create.
`static AccessibilityNodeInfo`	`obtain()` Returns a cached instance if such is available otherwise a new one.
`static AccessibilityNodeInfo`	`obtain(View source)` Returns a cached instance if such is available otherwise a new one and sets the source.
`boolean`	`performAction(int action, Bundle arguments)` Performs an action on the node.
`boolean`	`performAction(int action)` Performs an action on the node.
`void`	`recycle()` Return an instance back to be reused.
`boolean`	`refresh()` Refreshes this info with the latest state of the view it represents.
`boolean`	`refreshWithExtraData(String extraDataKey, Bundle args)` Refreshes this info with the latest state of the view it represents, and request new data be added by the View.
`boolean`	`removeAction(AccessibilityNodeInfo.AccessibilityAction action)` Removes an action that can be performed on the node.
`void`	`removeAction(int action)` This method was deprecated in API level 21. Use `removeAction(AccessibilityAction)`
`boolean`	`removeChild(View root, int virtualDescendantId)` Removes a virtual child which is a descendant of the given `root`.
`boolean`	`removeChild(View child)` Removes a child.
`void`	`setAccessibilityFocused(boolean focused)` Sets whether this node is accessibility focused.
`void`	`setAvailableExtraData(List<String> extraDataKeys)` Set the extra data available for this node.
`void`	`setBoundsInParent(Rect bounds)` Sets the node bounds in parent coordinates.
`void`	`setBoundsInScreen(Rect bounds)` Sets the node bounds in screen coordinates.
`void`	`setCanOpenPopup(boolean opensPopup)` Sets if this node opens a popup or a dialog.
`void`	`setCheckable(boolean checkable)` Sets whether this node is checkable.
`void`	`setChecked(boolean checked)` Sets whether this node is checked.
`void`	`setClassName(CharSequence className)` Sets the class this node comes from.
`void`	`setClickable(boolean clickable)` Sets whether this node is clickable.
`void`	`setCollectionInfo(AccessibilityNodeInfo.CollectionInfo collectionInfo)` Sets the collection info if the node is a collection.
`void`	`setCollectionItemInfo(AccessibilityNodeInfo.CollectionItemInfo collectionItemInfo)` Sets the collection item info if the node is a collection item.
`void`	`setContentDescription(CharSequence contentDescription)` Sets the content description of this node.
`void`	`setContentInvalid(boolean contentInvalid)` Sets if the content of this node is invalid.
`void`	`setContextClickable(boolean contextClickable)` Sets whether this node is context clickable.
`void`	`setDismissable(boolean dismissable)` Sets if the node can be dismissed.
`void`	`setDrawingOrder(int drawingOrderInParent)` Set the drawing order of the view corresponding it this node.
`void`	`setEditable(boolean editable)` Sets whether this node is editable.
`void`	`setEnabled(boolean enabled)` Sets whether this node is enabled.
`void`	`setError(CharSequence error)` Sets the error text of this node.
`void`	`setFocusable(boolean focusable)` Sets whether this node is focusable.
`void`	`setFocused(boolean focused)` Sets whether this node is focused.
`void`	`setHintText(CharSequence hintText)` Sets the hint text of this node.
`void`	`setImportantForAccessibility(boolean important)` Sets whether the node is considered important for accessibility.
`void`	`setInputType(int inputType)` Sets the input type of the source as defined by `InputType`.
`void`	`setLabelFor(View root, int virtualDescendantId)` Sets the view for which the view represented by this info serves as a label for accessibility purposes.
`void`	`setLabelFor(View labeled)` Sets the view for which the view represented by this info serves as a label for accessibility purposes.
`void`	`setLabeledBy(View label)` Sets the view which serves as the label of the view represented by this info for accessibility purposes.
`void`	`setLabeledBy(View root, int virtualDescendantId)` Sets the view which serves as the label of the view represented by this info for accessibility purposes.
`void`	`setLiveRegion(int mode)` Sets the node's live region mode.
`void`	`setLongClickable(boolean longClickable)` Sets whether this node is long clickable.
`void`	`setMaxTextLength(int max)` Sets the maximum text length, or -1 for no limit.
`void`	`setMovementGranularities(int granularities)` Sets the movement granularities for traversing the text of this node.
`void`	`setMultiLine(boolean multiLine)` Sets if the node is a multi line editable text.
`void`	`setPackageName(CharSequence packageName)` Sets the package this node comes from.
`void`	`setParent(View root, int virtualDescendantId)` Sets the parent to be a virtual descendant of the given `root`.
`void`	`setParent(View parent)` Sets the parent.
`void`	`setPassword(boolean password)` Sets whether this node is a password.
`void`	`setRangeInfo(AccessibilityNodeInfo.RangeInfo rangeInfo)` Sets the range info if this node is a range.
`void`	`setScrollable(boolean scrollable)` Sets if the node is scrollable.
`void`	`setSelected(boolean selected)` Sets whether this node is selected.
`void`	`setShowingHintText(boolean showingHintText)` Sets whether the node's text represents a hint for the user to enter text.
`void`	`setSource(View source)` Sets the source.
`void`	`setSource(View root, int virtualDescendantId)` Sets the source to be a virtual descendant of the given `root`.
`void`	`setText(CharSequence text)` Sets the text of this node.
`void`	`setTextSelection(int start, int end)` Sets the text selection start and end.
`void`	`setTraversalAfter(View view)` Sets the view whose node is visited after this one in accessibility traversal.
`void`	`setTraversalAfter(View root, int virtualDescendantId)` Sets the node after which this one is visited in accessibility traversal.
`void`	`setTraversalBefore(View view)` Sets the view before whose node this one should be visited during traversal.
`void`	`setTraversalBefore(View root, int virtualDescendantId)` Sets the node before which this one is visited during traversal.
`void`	`setViewIdResourceName(String viewIdResName)` Sets the fully qualified resource name of the source view's id.
`void`	`setVisibleToUser(boolean visibleToUser)` Sets whether this node is visible to the user.
`String`	`toString()` Returns a string representation of the object.
`void`	`writeToParcel(Parcel parcel, int flags)` Flatten this object in to a Parcel. Note: After the instance is written to a parcel it is recycled.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    android.os.Parcelable

Constants

ACTION_ACCESSIBILITY_FOCUS

added in API level 16

int ACTION_ACCESSIBILITY_FOCUS

Action that gives accessibility focus to the node.

Constant Value: 64 (0x00000040)

ACTION_ARGUMENT_COLUMN_INT

added in API level 23

String ACTION_ARGUMENT_COLUMN_INT

Argument for specifying the collection column to make visible on screen.

Type: int
Actions:

ACTION_SCROLL_TO_POSITION

See also:

ACTION_SCROLL_TO_POSITION

Constant Value: "android.view.accessibility.action.ARGUMENT_COLUMN_INT"

ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN

added in API level 18

String ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN

Argument for whether when moving at granularity to extend the selection or to move it otherwise.

Type: boolean
Actions:

See also:

Constant Value: "ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN"

ACTION_ARGUMENT_HTML_ELEMENT_STRING

added in API level 16

String ACTION_ARGUMENT_HTML_ELEMENT_STRING

Argument for which HTML element to get moving to the next/previous HTML element.

Type: String
Actions:

See also:

Constant Value: "ACTION_ARGUMENT_HTML_ELEMENT_STRING"

ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT

added in API level 16

String ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT

Argument for which movement granularity to be used when traversing the node text.

Type: int
Actions:

See also:

Constant Value: "ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT"

ACTION_ARGUMENT_MOVE_WINDOW_X

Android O Developer Preview

String ACTION_ARGUMENT_MOVE_WINDOW_X

Argument for specifying the x coordinate to which to move a window.

Type: int
Actions:

ACTION_MOVE_WINDOW

See also:

ACTION_MOVE_WINDOW

Constant Value: "ACTION_ARGUMENT_MOVE_WINDOW_X"

ACTION_ARGUMENT_MOVE_WINDOW_Y

Android O Developer Preview

String ACTION_ARGUMENT_MOVE_WINDOW_Y

Argument for specifying the y coordinate to which to move a window.

Type: int
Actions:

ACTION_MOVE_WINDOW

See also:

ACTION_MOVE_WINDOW

Constant Value: "ACTION_ARGUMENT_MOVE_WINDOW_Y"

ACTION_ARGUMENT_PROGRESS_VALUE

added in API level 24

String ACTION_ARGUMENT_PROGRESS_VALUE

Argument for specifying the progress value to set.

Type: float
Actions:

ACTION_SET_PROGRESS

See also:

ACTION_SET_PROGRESS

Constant Value: "android.view.accessibility.action.ARGUMENT_PROGRESS_VALUE"

ACTION_ARGUMENT_ROW_INT

added in API level 23

String ACTION_ARGUMENT_ROW_INT

Argument for specifying the collection row to make visible on screen.

Type: int
Actions:

ACTION_SCROLL_TO_POSITION

See also:

ACTION_SCROLL_TO_POSITION

Constant Value: "android.view.accessibility.action.ARGUMENT_ROW_INT"

ACTION_ARGUMENT_SELECTION_END_INT

added in API level 18

String ACTION_ARGUMENT_SELECTION_END_INT

Argument for specifying the selection end.

Type: int
Actions:

ACTION_SET_SELECTION

See also:

ACTION_SET_SELECTION

Constant Value: "ACTION_ARGUMENT_SELECTION_END_INT"

ACTION_ARGUMENT_SELECTION_START_INT

added in API level 18

String ACTION_ARGUMENT_SELECTION_START_INT

Argument for specifying the selection start.

Type: int
Actions:

ACTION_SET_SELECTION

See also:

ACTION_SET_SELECTION

Constant Value: "ACTION_ARGUMENT_SELECTION_START_INT"

ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE

added in API level 21

String ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE

Argument for specifying the text content to set.

Type: CharSequence
Actions:

ACTION_SET_TEXT

See also:

ACTION_SET_TEXT

Constant Value: "ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE"

ACTION_CLEAR_ACCESSIBILITY_FOCUS

added in API level 16

int ACTION_CLEAR_ACCESSIBILITY_FOCUS

Action that clears accessibility focus of the node.

Constant Value: 128 (0x00000080)

ACTION_CLEAR_FOCUS

added in API level 14

int ACTION_CLEAR_FOCUS

Action that clears input focus of the node.

Constant Value: 2 (0x00000002)

ACTION_CLEAR_SELECTION

added in API level 14

int ACTION_CLEAR_SELECTION

Action that deselects the node.

Constant Value: 8 (0x00000008)

ACTION_CLICK

added in API level 16

int ACTION_CLICK

Action that clicks on the node info. See ACTION_CLICK

Constant Value: 16 (0x00000010)

ACTION_COLLAPSE

added in API level 19

int ACTION_COLLAPSE

Action to collapse an expandable node.

Constant Value: 524288 (0x00080000)

ACTION_COPY

added in API level 18

int ACTION_COPY

Action to copy the current selection to the clipboard.

Constant Value: 16384 (0x00004000)

ACTION_CUT

added in API level 18

int ACTION_CUT

Action to cut the current selection and place it to the clipboard.

Constant Value: 65536 (0x00010000)

ACTION_DISMISS

added in API level 19

int ACTION_DISMISS

Action to dismiss a dismissable node.

Constant Value: 1048576 (0x00100000)

ACTION_EXPAND

added in API level 19

int ACTION_EXPAND

Action to expand an expandable node.

Constant Value: 262144 (0x00040000)

ACTION_FOCUS

added in API level 14

int ACTION_FOCUS

Action that gives input focus to the node.

Constant Value: 1 (0x00000001)

ACTION_LONG_CLICK

added in API level 16

int ACTION_LONG_CLICK

Action that long clicks on the node.

Constant Value: 32 (0x00000020)

ACTION_NEXT_AT_MOVEMENT_GRANULARITY

added in API level 16

int ACTION_NEXT_AT_MOVEMENT_GRANULARITY

Action that requests to go to the next entity in this node's text at a given movement granularity. For example, move to the next character, word, etc.

Arguments: ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT<, ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN
Example: Move to the previous character and do not extend selection.


   Bundle arguments = new Bundle();
   arguments.putInt(AccessibilityNodeInfo.ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT,
           AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER);
   arguments.putBoolean(AccessibilityNodeInfo.ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN,
           false);
   info.performAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY, arguments);

See also:

Constant Value: 256 (0x00000100)

ACTION_NEXT_HTML_ELEMENT

added in API level 16

int ACTION_NEXT_HTML_ELEMENT

Action to move to the next HTML element of a given type. For example, move to the BUTTON, INPUT, TABLE, etc.

Arguments: ACTION_ARGUMENT_HTML_ELEMENT_STRING
Example:


   Bundle arguments = new Bundle();
   arguments.putString(AccessibilityNodeInfo.ACTION_ARGUMENT_HTML_ELEMENT_STRING, "BUTTON");
   info.performAction(AccessibilityNodeInfo.ACTION_NEXT_HTML_ELEMENT, arguments);

Constant Value: 1024 (0x00000400)

ACTION_PASTE

added in API level 18

int ACTION_PASTE

Action to paste the current clipboard content.

Constant Value: 32768 (0x00008000)

ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY

added in API level 16

int ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY

Action that requests to go to the previous entity in this node's text at a given movement granularity. For example, move to the next character, word, etc.

Arguments: ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT<, ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN
Example: Move to the next character and do not extend selection.


   Bundle arguments = new Bundle();
   arguments.putInt(AccessibilityNodeInfo.ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT,
           AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER);
   arguments.putBoolean(AccessibilityNodeInfo.ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN,
           false);
   info.performAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY,
           arguments);

See also:

Constant Value: 512 (0x00000200)

ACTION_PREVIOUS_HTML_ELEMENT

added in API level 16

int ACTION_PREVIOUS_HTML_ELEMENT

Action to move to the previous HTML element of a given type. For example, move to the BUTTON, INPUT, TABLE, etc.

Arguments: ACTION_ARGUMENT_HTML_ELEMENT_STRING
Example:


   Bundle arguments = new Bundle();
   arguments.putString(AccessibilityNodeInfo.ACTION_ARGUMENT_HTML_ELEMENT_STRING, "BUTTON");
   info.performAction(AccessibilityNodeInfo.ACTION_PREVIOUS_HTML_ELEMENT, arguments);

Constant Value: 2048 (0x00000800)

ACTION_SCROLL_BACKWARD

added in API level 16

int ACTION_SCROLL_BACKWARD

Action to scroll the node content backward.

Constant Value: 8192 (0x00002000)

ACTION_SCROLL_FORWARD

added in API level 16

int ACTION_SCROLL_FORWARD

Action to scroll the node content forward.

Constant Value: 4096 (0x00001000)

ACTION_SELECT

added in API level 14

int ACTION_SELECT

Action that selects the node.

Constant Value: 4 (0x00000004)

ACTION_SET_SELECTION

added in API level 18

int ACTION_SET_SELECTION

Action to set the selection. Performing this action with no arguments clears the selection.

Arguments: ACTION_ARGUMENT_SELECTION_START_INT, ACTION_ARGUMENT_SELECTION_END_INT
Example:


   Bundle arguments = new Bundle();
   arguments.putInt(AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, 1);
   arguments.putInt(AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, 2);
   info.performAction(AccessibilityNodeInfo.ACTION_SET_SELECTION, arguments);

See also:

Constant Value: 131072 (0x00020000)

ACTION_SET_TEXT

added in API level 21

int ACTION_SET_TEXT

Action that sets the text of the node. Performing the action without argument, using null or empty CharSequence will clear the text. This action will also put the cursor at the end of text.

Arguments: ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE
Example:


   Bundle arguments = new Bundle();
   arguments.putCharSequence(AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE,
       "android");
   info.performAction(AccessibilityNodeInfo.ACTION_SET_TEXT, arguments);

Constant Value: 2097152 (0x00200000)

EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH

Android O Developer Preview

String EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH

Integer argument specifying the end index of the requested text location data. Must be positive.

See also:

ERROR(/EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)

Constant Value: "android.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH"

EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX

Android O Developer Preview

String EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX

Integer argument specifying the start index of the requested text location data. Must be valid inside the CharSequence returned by getText().

See also:

ERROR(/EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)

Constant Value: "android.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX"

EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY

Android O Developer Preview

String EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY

Key used to request and locate extra data for text character location. This key requests that an array of RectFs be added to the extras. This request is made with refreshWithExtraData(String, Bundle). The arguments taken by this request are two integers: EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX and EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH. The starting index must be valid inside the CharSequence returned by getText(), and the length must be positive.

The data can be retrieved from the Bundle returned by getExtras() using this string as a key for getParcelableArray(String). The RectF will be null for characters that either do not exist or are off the screen.

See also:

refreshWithExtraData(String, Bundle)

Constant Value: "android.view.accessibility.extra.DATA_TEXT_CHARACTER_LOCATION_KEY"

FOCUS_ACCESSIBILITY

added in API level 16

int FOCUS_ACCESSIBILITY

The accessibility focus.

Constant Value: 2 (0x00000002)

FOCUS_INPUT

added in API level 16

int FOCUS_INPUT

The input focus.

Constant Value: 1 (0x00000001)

MOVEMENT_GRANULARITY_CHARACTER

added in API level 16

int MOVEMENT_GRANULARITY_CHARACTER

Movement granularity bit for traversing the text of a node by character.

Constant Value: 1 (0x00000001)

MOVEMENT_GRANULARITY_LINE

added in API level 16

int MOVEMENT_GRANULARITY_LINE

Movement granularity bit for traversing the text of a node by line.

Constant Value: 4 (0x00000004)

MOVEMENT_GRANULARITY_PAGE

added in API level 16

int MOVEMENT_GRANULARITY_PAGE

Movement granularity bit for traversing the text of a node by page.

Constant Value: 16 (0x00000010)

MOVEMENT_GRANULARITY_PARAGRAPH

added in API level 16

int MOVEMENT_GRANULARITY_PARAGRAPH

Movement granularity bit for traversing the text of a node by paragraph.

Constant Value: 8 (0x00000008)

MOVEMENT_GRANULARITY_WORD

added in API level 16

int MOVEMENT_GRANULARITY_WORD

Movement granularity bit for traversing the text of a node by word.

Constant Value: 2 (0x00000002)

Fields

CREATOR

added in API level 14

Creator<AccessibilityNodeInfo> CREATOR

See also:

Parcelable.Creator

Public methods

addAction

added in API level 14

void addAction (int action)

This method was deprecated in API level 21.
This has been deprecated for addAction(AccessibilityAction)

Adds an action that can be performed on the node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`action`	`int`: The action.

Throws
`IllegalStateException`	If called from an AccessibilityService.
`IllegalArgumentException`	If the argument is not one of the standard actions.

addAction

added in API level 21

void addAction (AccessibilityNodeInfo.AccessibilityAction action)

Adds an action that can be performed on the node.

To add a standard action use the static constants on AccessibilityNodeInfo.AccessibilityAction. To add a custom action create a new AccessibilityNodeInfo.AccessibilityAction by passing in a resource id from your application as the action id and an optional label that describes the action. To override one of the standard actions use as the action id of a standard action id such as ACTION_CLICK and an optional label that describes the action.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`action`	`AccessibilityNodeInfo.AccessibilityAction`: The action.

Throws
`IllegalStateException`	If called from an AccessibilityService.

addChild

added in API level 16

void addChild (View root, 
                int virtualDescendantId)

Adds a virtual child which is a descendant of the given root. If virtualDescendantId is NO_ID the root is added as a child.

A virtual descendant is an imaginary View that is reported as a part of the view hierarchy for accessibility purposes. This enables custom views that draw complex content to report them selves as a tree of virtual views, thus conveying their logical structure.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual child.

addChild

added in API level 14

void addChild (View child)

Adds a child.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`child`	`View`: The child.

Throws
`IllegalStateException`	If called from an AccessibilityService.

canOpenPopup

added in API level 19

boolean canOpenPopup ()

Gets if this node opens a popup or a dialog.

Returns
`boolean`	If the the node opens a popup.

describeContents

added in API level 14

int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of writeToParcel(Parcel, int), the return value of this method must include the CONTENTS_FILE_DESCRIPTOR bit.

Returns
`int`	a bitmask indicating the set of special object types marshaled by this Parcelable object instance.

equals

added in API level 14

boolean equals (Object object)

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

It is reflexive: for any non-null reference value x, x.equals(x) should return true.
It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
For any non-null reference value x, x.equals(null) should return false.

The equals method for class Object implements the most discriminating possible equivalence relation on objects; that is, for any non-null reference values x and y, this method returns true if and only if x and y refer to the same object (x == y has the value true).

Note that it is generally necessary to override the hashCode method whenever this method is overridden, so as to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes.

Parameters
`object`	`Object`: the reference object with which to compare.

Returns
`boolean`	`true` if this object is the same as the obj argument; `false` otherwise.

findAccessibilityNodeInfosByText

added in API level 14

List<AccessibilityNodeInfo> findAccessibilityNodeInfosByText (String text)

Finds AccessibilityNodeInfos by text. The match is case insensitive containment. The search is relative to this info i.e. this info is the root of the traversed tree.

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Parameters
`text`	`String`: The searched text.

Returns
`List<AccessibilityNodeInfo>`	A list of node info.

findAccessibilityNodeInfosByViewId

added in API level 18

List<AccessibilityNodeInfo> findAccessibilityNodeInfosByViewId (String viewId)

Finds AccessibilityNodeInfos by the fully qualified view id's resource name where a fully qualified id is of the from "package:id/id_resource_name". For example, if the target application's package is "foo.bar" and the id resource name is "baz", the fully qualified resource id is "foo.bar:id/baz".

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Note: The primary usage of this API is for UI test automation and in order to report the fully qualified view id if an AccessibilityNodeInfo the client has to set the FLAG_REPORT_VIEW_IDS flag when configuring his AccessibilityService.

Parameters
`viewId`	`String`: The fully qualified resource name of the view id to find.

Returns
`List<AccessibilityNodeInfo>`	A list of node info.

findFocus

added in API level 16

AccessibilityNodeInfo findFocus (int focus)

Find the view that has the specified focus type. The search starts from the view represented by this node info.

Parameters
`focus`	`int`: The focus to find. One of `FOCUS_INPUT` or `FOCUS_ACCESSIBILITY`.

Returns
`AccessibilityNodeInfo`	The node info of the focused view or null.

See also:

focusSearch

added in API level 16

AccessibilityNodeInfo focusSearch (int direction)

Searches for the nearest view in the specified direction that can take the input focus.

Parameters
`direction`	`int`: The direction. Can be one of: `FOCUS_DOWN`, `FOCUS_UP`, `FOCUS_LEFT`, `FOCUS_RIGHT`, `FOCUS_FORWARD`, `FOCUS_BACKWARD`.

Returns
`AccessibilityNodeInfo`	The node info for the view that can take accessibility focus.

getActionList

added in API level 21

List<AccessibilityNodeInfo.AccessibilityAction> getActionList ()

Gets the actions that can be performed on the node.

Returns
`List<AccessibilityNodeInfo.AccessibilityAction>`

getActions

added in API level 14

int getActions ()

This method was deprecated in API level 21.
Use getActionList().

Gets the actions that can be performed on the node.

Returns
`int`	The bit mask of with actions.

See also:

getAvailableExtraData

Android O Developer Preview

List<String> getAvailableExtraData ()

Get the extra data available for this node.

Some data that is useful for some accessibility services is expensive to compute, and would place undue overhead on apps to compute all the time. That data can be requested with refreshWithExtraData(String, Bundle).

Returns
`List<String>`	An unmodifiable list of keys corresponding to extra data that can be requested.

See also:

EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY

getBoundsInParent

added in API level 14

void getBoundsInParent (Rect outBounds)

Gets the node bounds in parent coordinates.

Parameters
`outBounds`	`Rect`: The output node bounds.

getBoundsInScreen

added in API level 14

void getBoundsInScreen (Rect outBounds)

Gets the node bounds in screen coordinates.

Parameters
`outBounds`	`Rect`: The output node bounds.

getChild

added in API level 14

AccessibilityNodeInfo getChild (int index)

Get the child at given index.

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Parameters
`index`	`int`: The child index.

Returns
`AccessibilityNodeInfo`	The child node.

Throws
`IllegalStateException`	If called outside of an AccessibilityService.

getChildCount

added in API level 14

int getChildCount ()

Gets the number of children.

Returns
`int`	The child count.

getClassName

added in API level 14

CharSequence getClassName ()

Gets the class this node comes from.

Returns
`CharSequence`	The class name.

getCollectionInfo

added in API level 19

AccessibilityNodeInfo.CollectionInfo getCollectionInfo ()

Gets the collection info if the node is a collection. A collection child is always a collection item.

Returns
`AccessibilityNodeInfo.CollectionInfo`	The collection info.

getCollectionItemInfo

added in API level 19

AccessibilityNodeInfo.CollectionItemInfo getCollectionItemInfo ()

Gets the collection item info if the node is a collection item. A collection item is always a child of a collection.

Returns
`AccessibilityNodeInfo.CollectionItemInfo`	The collection item info.

getContentDescription

added in API level 14

CharSequence getContentDescription ()

Gets the content description of this node.

Returns
`CharSequence`	The content description.

getDrawingOrder

added in API level 24

int getDrawingOrder ()

Get the drawing order of the view corresponding it this node.

Drawing order is determined only within the node's parent, so this index is only relative to its siblings.

In some cases, the drawing order is essentially simultaneous, so it is possible for two siblings to return the same value. It is also possible that values will be skipped.

Returns
`int`	The drawing position of the view corresponding to this node relative to its siblings.

getError

added in API level 21

CharSequence getError ()

Gets the error text of this node.

Returns
`CharSequence`	The error text.

getExtras

added in API level 19

Bundle getExtras ()

Gets an optional bundle with extra data. The bundle is lazily created and never null.

Note: It is recommended to use the package name of your application as a prefix for the keys to avoid collisions which may confuse an accessibility service if the same key has different meaning when emitted from different applications.

Returns
`Bundle`	The bundle.

getHintText

Android O Developer Preview

CharSequence getHintText ()

Gets the hint text of this node. Only applies to nodes where text can be entered.

Returns
`CharSequence`	The hint text.

getInputType

added in API level 19

int getInputType ()

Gets the input type of the source as defined by InputType.

Returns
`int`	The input type.

getLabelFor

added in API level 17

AccessibilityNodeInfo getLabelFor ()

Gets the node info for which the view represented by this info serves as a label for accessibility purposes.

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Returns
`AccessibilityNodeInfo`	The labeled info.

getLabeledBy

added in API level 17

AccessibilityNodeInfo getLabeledBy ()

Gets the node info which serves as the label of the view represented by this info for accessibility purposes.

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Returns
`AccessibilityNodeInfo`	The label.

getLiveRegion

added in API level 19

int getLiveRegion ()

Gets the node's live region mode.

A live region is a node that contains information that is important for the user and when it changes the user should be notified. For example, in a login screen with a TextView that displays an "incorrect password" notification, that view should be marked as a live region with mode ACCESSIBILITY_LIVE_REGION_POLITE.

It is the responsibility of the accessibility service to monitor TYPE_WINDOW_CONTENT_CHANGED events indicating changes to live region nodes and their children.

Returns
`int`	The live region mode, or `ACCESSIBILITY_LIVE_REGION_NONE` if the view is not a live region.

See also:

getAccessibilityLiveRegion()

getMaxTextLength

added in API level 21

int getMaxTextLength ()

Returns the maximum text length for this node.

Returns
`int`	The maximum text length, or -1 for no limit.

See also:

setMaxTextLength(int)

getMovementGranularities

added in API level 16

int getMovementGranularities ()

Gets the movement granularities for traversing the text of this node.

Returns
`int`	The bit mask with granularities.

getPackageName

added in API level 14

CharSequence getPackageName ()

Gets the package this node comes from.

Returns
`CharSequence`	The package name.

getParent

added in API level 14

AccessibilityNodeInfo getParent ()

Gets the parent.

Note: It is a client responsibility to recycle the received info by calling recycle() to avoid creating of multiple instances.

Returns
`AccessibilityNodeInfo`	The parent.

getRangeInfo

added in API level 19

AccessibilityNodeInfo.RangeInfo getRangeInfo ()

Gets the range info if this node is a range.

Returns
`AccessibilityNodeInfo.RangeInfo`	The range.

getText

added in API level 14

CharSequence getText ()

Gets the text of this node.

Note: If the text contains ClickableSpans or URLSpans, these spans will have been replaced with ones whose onClick(View) can be called from an AccessibilityService. When called from a service, the View argument is ignored and the corresponding span will be found on the view that this AccessibilityNodeInfo represents and called with that view as its argument.

This treatment of ClickableSpans means that the text returned from this method may different slightly one passed to setText(CharSequence), although they will be equivalent according to equals(CharSequence, CharSequence). The onClick(View) of any spans, however, will generally not work outside of an accessibility service.

Returns
`CharSequence`	The text.

getTextSelectionEnd

added in API level 18

int getTextSelectionEnd ()

Gets the text selection end if text is selected.

If no text is selected, both this method and getTextSelectionStart() return the same value: the current location of the cursor.

Returns
`int`	The text selection end, the cursor location if there is no selection, or -1 if there is no text selection and no cursor.

getTextSelectionStart

added in API level 18

int getTextSelectionStart ()

Gets the text selection start or the cursor position.

If no text is selected, both this method and getTextSelectionEnd() return the same value: the current location of the cursor.

Returns
`int`	The text selection start, the cursor location if there is no selection, or -1 if there is no text selection and no cursor.

getTraversalAfter

added in API level 22

AccessibilityNodeInfo getTraversalAfter ()

Gets the node after which this one is visited in accessibility traversal. A screen-reader must visit the content of the other node before the content of this one.

Returns
`AccessibilityNodeInfo`	The succeeding node if such or `null`.

See also:

getTraversalBefore

added in API level 22

AccessibilityNodeInfo getTraversalBefore ()

Gets the node before which this one is visited during traversal. A screen-reader must visit the content of this node before the content of the one it precedes.

Returns
`AccessibilityNodeInfo`	The succeeding node if such or `null`.

See also:

getViewIdResourceName

added in API level 18

String getViewIdResourceName ()

Gets the fully qualified resource name of the source view's id.

Note: The primary usage of this API is for UI test automation and in order to report the source view id of an AccessibilityNodeInfo the client has to set the FLAG_REPORT_VIEW_IDS flag when configuring his AccessibilityService.

Returns
`String`	The id resource name.

getWindow

added in API level 21

AccessibilityWindowInfo getWindow ()

Gets the window to which this node belongs.

Returns
`AccessibilityWindowInfo`	The window.

See also:

getWindows()

getWindowId

added in API level 14

int getWindowId ()

Gets the id of the window from which the info comes from.

Returns
`int`	The window id.

hashCode

added in API level 14

int hashCode ()

Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by HashMap.

The general contract of hashCode is:

Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.
It is not required that if two objects are unequal according to the equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.

As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java™ programming language.)

Returns
`int`	a hash code value for this object.

isAccessibilityFocused

added in API level 16

boolean isAccessibilityFocused ()

Gets whether this node is accessibility focused.

Returns
`boolean`	True if the node is accessibility focused.

isCheckable

added in API level 14

boolean isCheckable ()

Gets whether this node is checkable.

Returns
`boolean`	True if the node is checkable.

isChecked

added in API level 14

boolean isChecked ()

Gets whether this node is checked.

Returns
`boolean`	True if the node is checked.

isClickable

added in API level 14

boolean isClickable ()

Gets whether this node is clickable.

Returns
`boolean`	True if the node is clickable.

isContentInvalid

added in API level 19

boolean isContentInvalid ()

Gets if the content of this node is invalid. For example, a date is not well-formed.

Returns
`boolean`	If the node content is invalid.

isContextClickable

added in API level 23

boolean isContextClickable ()

Gets whether this node is context clickable.

Returns
`boolean`	True if the node is context clickable.

isDismissable

added in API level 19

boolean isDismissable ()

Gets if the node can be dismissed.

Returns
`boolean`	If the node can be dismissed.

isEditable

added in API level 18

boolean isEditable ()

Gets if the node is editable.

Returns
`boolean`	True if the node is editable, false otherwise.

isEnabled

added in API level 14

boolean isEnabled ()

Gets whether this node is enabled.

Returns
`boolean`	True if the node is enabled.

isFocusable

added in API level 14

boolean isFocusable ()

Gets whether this node is focusable.

Returns
`boolean`	True if the node is focusable.

isFocused

added in API level 14

boolean isFocused ()

Gets whether this node is focused.

Returns
`boolean`	True if the node is focused.

isImportantForAccessibility

added in API level 24

boolean isImportantForAccessibility ()

Returns whether the node originates from a view considered important for accessibility.

Returns
`boolean`	`true` if the node originates from a view considered important for accessibility, `false` otherwise

See also:

isImportantForAccessibility()

isLongClickable

added in API level 14

boolean isLongClickable ()

Gets whether this node is long clickable.

Returns
`boolean`	True if the node is long clickable.

isMultiLine

added in API level 19

boolean isMultiLine ()

Gets if the node is a multi line editable text.

Returns
`boolean`	True if the node is multi line.

isPassword

added in API level 14

boolean isPassword ()

Gets whether this node is a password.

Returns
`boolean`	True if the node is a password.

isScrollable

added in API level 14

boolean isScrollable ()

Gets if the node is scrollable.

Returns
`boolean`	True if the node is scrollable, false otherwise.

isSelected

added in API level 14

boolean isSelected ()

Gets whether this node is selected.

Returns
`boolean`	True if the node is selected.

isShowingHintText

Android O Developer Preview

boolean isShowingHintText ()

Returns whether the node's text represents a hint for the user to enter text. It should only be true if the node has editable text.

Returns
`boolean`	`true` if the text in the node represents a hint to the user, `false` otherwise.

isVisibleToUser

added in API level 16

boolean isVisibleToUser ()

Gets whether this node is visible to the user.

Returns
`boolean`	Whether the node is visible to the user.

obtain

added in API level 16

AccessibilityNodeInfo obtain (View root, 
                int virtualDescendantId)

Returns a cached instance if such is available otherwise a new one and sets the source.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual descendant.

Returns
`AccessibilityNodeInfo`	An instance.

See also:

setSource(View, int)

obtain

added in API level 14

AccessibilityNodeInfo obtain (AccessibilityNodeInfo info)

Returns a cached instance if such is available or a new one is create. The returned instance is initialized from the given info.

Parameters
`info`	`AccessibilityNodeInfo`: The other info.

Returns
`AccessibilityNodeInfo`	An instance.

obtain

added in API level 14

AccessibilityNodeInfo obtain ()

Returns a cached instance if such is available otherwise a new one.

Returns
`AccessibilityNodeInfo`	An instance.

obtain

added in API level 14

AccessibilityNodeInfo obtain (View source)

Returns a cached instance if such is available otherwise a new one and sets the source.

Parameters
`source`	`View`: The source view.

Returns
`AccessibilityNodeInfo`	An instance.

See also:

setSource(View)

performAction

added in API level 16

boolean performAction (int action, 
                Bundle arguments)

Performs an action on the node.

Note: An action can be performed only if the request is made from an AccessibilityService.

Parameters
`action`	`int`: The action to perform.
`arguments`	`Bundle`: A bundle with additional arguments.

Returns
`boolean`	True if the action was performed.

Throws
`IllegalStateException`	If called outside of an AccessibilityService.

performAction

added in API level 14

boolean performAction (int action)

Performs an action on the node.

Note: An action can be performed only if the request is made from an AccessibilityService.

Parameters
`action`	`int`: The action to perform.

Returns
`boolean`	True if the action was performed.

Throws
`IllegalStateException`	If called outside of an AccessibilityService.

recycle

added in API level 14

void recycle ()

Return an instance back to be reused.

Note: You must not touch the object after calling this function.

Throws
`IllegalStateException`	If the info is already recycled.

refresh

added in API level 18

boolean refresh ()

Refreshes this info with the latest state of the view it represents.

Returns
`boolean`	`true` if the refresh succeeded. `false` if the `View` represented by this node is no longer in the view tree (and thus this node is obsolete and should be recycled).

refreshWithExtraData

Android O Developer Preview

boolean refreshWithExtraData (String extraDataKey, 
                Bundle args)

Refreshes this info with the latest state of the view it represents, and request new data be added by the View.

Parameters
`extraDataKey`	`String`: A bitmask of the extra data requested. Data that must be requested with this mechanism is generally expensive to retrieve, so should only be requested when needed. See `EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY` and `getAvailableExtraData()`.
`args`	`Bundle`: A bundle of arguments for the request. These depend on the particular request.

Returns
`boolean`	`true` if the refresh succeeded. `false` if the `View` represented by this node is no longer in the view tree (and thus this node is obsolete and should be recycled).

removeAction

added in API level 21

boolean removeAction (AccessibilityNodeInfo.AccessibilityAction action)

Removes an action that can be performed on the node. If the action was not already added to the node, calling this method has no effect.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`action`	`AccessibilityNodeInfo.AccessibilityAction`: The action to be removed.

Returns
`boolean`	The action removed from the list of actions.

Throws
`IllegalStateException`	If called from an AccessibilityService.

removeAction

added in API level 21

void removeAction (int action)

This method was deprecated in API level 21.
Use removeAction(AccessibilityAction)

Removes an action that can be performed on the node. If the action was not already added to the node, calling this method has no effect.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`action`	`int`: The action to be removed.

Throws
`IllegalStateException`	If called from an AccessibilityService.

removeChild

added in API level 21

boolean removeChild (View root, 
                int virtualDescendantId)

Removes a virtual child which is a descendant of the given root. If the child was not previously added to the node, calling this method has no effect.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual child.

Returns
`boolean`	true if the child was present

See also:

addChild(View, int)

removeChild

added in API level 21

boolean removeChild (View child)

Removes a child. If the child was not previously added to the node, calling this method has no effect.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`child`	`View`: The child.

Returns
`boolean`	true if the child was present

Throws
`IllegalStateException`	If called from an AccessibilityService.

setAccessibilityFocused

added in API level 16

void setAccessibilityFocused (boolean focused)

Sets whether this node is accessibility focused.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`focused`	`boolean`: True if the node is accessibility focused.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setAvailableExtraData

Android O Developer Preview

void setAvailableExtraData (List<String> extraDataKeys)

Set the extra data available for this node.

Note: When a View passes in a non-empty list, it promises that it will populate the node's extras with corresponding pieces of information in addExtraDataToAccessibilityNodeInfo(AccessibilityNodeInfo, String, Bundle).

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`extraDataKeys`	`List`: A list of types of extra data that are available.

Throws
`IllegalStateException`	If called from an AccessibilityService.

See also:

getAvailableExtraData()

setBoundsInParent

added in API level 14

void setBoundsInParent (Rect bounds)

Sets the node bounds in parent coordinates.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`bounds`	`Rect`: The node bounds.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setBoundsInScreen

added in API level 14

void setBoundsInScreen (Rect bounds)

Sets the node bounds in screen coordinates.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`bounds`	`Rect`: The node bounds.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setCanOpenPopup

added in API level 19

void setCanOpenPopup (boolean opensPopup)

Sets if this node opens a popup or a dialog.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`opensPopup`	`boolean`: If the the node opens a popup.

setCheckable

added in API level 14

void setCheckable (boolean checkable)

Sets whether this node is checkable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`checkable`	`boolean`: True if the node is checkable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setChecked

added in API level 14

void setChecked (boolean checked)

Sets whether this node is checked.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`checked`	`boolean`: True if the node is checked.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setClassName

added in API level 14

void setClassName (CharSequence className)

Sets the class this node comes from.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`className`	`CharSequence`: The class name.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setClickable

added in API level 14

void setClickable (boolean clickable)

Sets whether this node is clickable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`clickable`	`boolean`: True if the node is clickable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setCollectionInfo

added in API level 19

void setCollectionInfo (AccessibilityNodeInfo.CollectionInfo collectionInfo)

Sets the collection info if the node is a collection. A collection child is always a collection item.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`collectionInfo`	`AccessibilityNodeInfo.CollectionInfo`: The collection info.

setCollectionItemInfo

added in API level 19

void setCollectionItemInfo (AccessibilityNodeInfo.CollectionItemInfo collectionItemInfo)

Sets the collection item info if the node is a collection item. A collection item is always a child of a collection.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`collectionItemInfo`	`AccessibilityNodeInfo.CollectionItemInfo`

setContentDescription

added in API level 14

void setContentDescription (CharSequence contentDescription)

Sets the content description of this node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`contentDescription`	`CharSequence`: The content description.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setContentInvalid

added in API level 19

void setContentInvalid (boolean contentInvalid)

Sets if the content of this node is invalid. For example, a date is not well-formed.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`contentInvalid`	`boolean`: If the node content is invalid.

setContextClickable

added in API level 23

void setContextClickable (boolean contextClickable)

Sets whether this node is context clickable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`contextClickable`	`boolean`: True if the node is context clickable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setDismissable

added in API level 19

void setDismissable (boolean dismissable)

Sets if the node can be dismissed.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`dismissable`	`boolean`: If the node can be dismissed.

setDrawingOrder

added in API level 24

void setDrawingOrder (int drawingOrderInParent)

Set the drawing order of the view corresponding it this node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setEditable

added in API level 18

void setEditable (boolean editable)

Sets whether this node is editable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`editable`	`boolean`: True if the node is editable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setEnabled

added in API level 14

void setEnabled (boolean enabled)

Sets whether this node is enabled.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`enabled`	`boolean`: True if the node is enabled.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setError

added in API level 21

void setError (CharSequence error)

Sets the error text of this node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`error`	`CharSequence`: The error text.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setFocusable

added in API level 14

void setFocusable (boolean focusable)

Sets whether this node is focusable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`focusable`	`boolean`: True if the node is focusable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setFocused

added in API level 14

void setFocused (boolean focused)

Sets whether this node is focused.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`focused`	`boolean`: True if the node is focused.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setHintText

Android O Developer Preview

void setHintText (CharSequence hintText)

Sets the hint text of this node. Only applies to nodes where text can be entered.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`hintText`	`CharSequence`: The hint text for this mode.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setImportantForAccessibility

added in API level 24

void setImportantForAccessibility (boolean important)

Sets whether the node is considered important for accessibility.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`important`	`boolean`: `true` if the node is considered important for accessibility, `false` otherwise

setInputType

added in API level 19

void setInputType (int inputType)

Sets the input type of the source as defined by InputType.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`inputType`	`int`: The input type.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setLabelFor

added in API level 17

void setLabelFor (View root, 
                int virtualDescendantId)

Sets the view for which the view represented by this info serves as a label for accessibility purposes. If virtualDescendantId is NO_ID the root is set as the labeled.

A virtual descendant is an imaginary View that is reported as a part of the view hierarchy for accessibility purposes. This enables custom views that draw complex content to report themselves as a tree of virtual views, thus conveying their logical structure.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root whose virtual descendant serves as a label.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setLabelFor

added in API level 17

void setLabelFor (View labeled)

Sets the view for which the view represented by this info serves as a label for accessibility purposes.

Parameters
`labeled`	`View`: The view for which this info serves as a label.

setLabeledBy

added in API level 17

void setLabeledBy (View label)

Sets the view which serves as the label of the view represented by this info for accessibility purposes.

Parameters
`label`	`View`: The view that labels this node's source.

setLabeledBy

added in API level 17

void setLabeledBy (View root, 
                int virtualDescendantId)

Sets the view which serves as the label of the view represented by this info for accessibility purposes. If virtualDescendantId is NO_ID the root is set as the label.

A virtual descendant is an imaginary View that is reported as a part of the view hierarchy for accessibility purposes. This enables custom views that draw complex content to report themselves as a tree of virtual views, thus conveying their logical structure.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root whose virtual descendant labels this node's source.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setLiveRegion

added in API level 19

void setLiveRegion (int mode)

Sets the node's live region mode.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`mode`	`int`: The live region mode, or `ACCESSIBILITY_LIVE_REGION_NONE` if the view is not a live region.

See also:

setAccessibilityLiveRegion(int)

setLongClickable

added in API level 14

void setLongClickable (boolean longClickable)

Sets whether this node is long clickable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`longClickable`	`boolean`: True if the node is long clickable.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setMaxTextLength

added in API level 21

void setMaxTextLength (int max)

Sets the maximum text length, or -1 for no limit.

Typically used to indicate that an editable text field has a limit on the number of characters entered.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`max`	`int`: The maximum text length.

Throws
`IllegalStateException`	If called from an AccessibilityService.

See also:

getMaxTextLength()

setMovementGranularities

added in API level 16

void setMovementGranularities (int granularities)

Sets the movement granularities for traversing the text of this node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`granularities`	`int`: The bit mask with granularities.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setMultiLine

added in API level 19

void setMultiLine (boolean multiLine)

Sets if the node is a multi line editable text.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`multiLine`	`boolean`: True if the node is multi line.

setPackageName

added in API level 14

void setPackageName (CharSequence packageName)

Sets the package this node comes from.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`packageName`	`CharSequence`: The package name.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setParent

added in API level 16

void setParent (View root, 
                int virtualDescendantId)

Sets the parent to be a virtual descendant of the given root. If virtualDescendantId equals to NO_ID the root is set as the parent.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setParent

added in API level 14

void setParent (View parent)

Sets the parent.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`parent`	`View`: The parent.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setPassword

added in API level 14

void setPassword (boolean password)

Sets whether this node is a password.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`password`	`boolean`: True if the node is a password.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setRangeInfo

added in API level 19

void setRangeInfo (AccessibilityNodeInfo.RangeInfo rangeInfo)

Sets the range info if this node is a range.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`rangeInfo`	`AccessibilityNodeInfo.RangeInfo`: The range info.

setScrollable

added in API level 14

void setScrollable (boolean scrollable)

Sets if the node is scrollable.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`scrollable`	`boolean`: True if the node is scrollable, false otherwise.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setSelected

added in API level 14

void setSelected (boolean selected)

Sets whether this node is selected.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`selected`	`boolean`: True if the node is selected.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setShowingHintText

Android O Developer Preview

void setShowingHintText (boolean showingHintText)

Sets whether the node's text represents a hint for the user to enter text. It should only be true if the node has editable text.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`showingHintText`	`boolean`: `true` if the text in the node represents a hint to the user, `false` otherwise.

setSource

added in API level 14

void setSource (View source)

Sets the source.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`source`	`View`: The info source.

setSource

added in API level 16

void setSource (View root, 
                int virtualDescendantId)

Sets the source to be a virtual descendant of the given root. If virtualDescendantId is NO_ID the root is set as the source.

A virtual descendant is an imaginary View that is reported as a part of the view hierarchy for accessibility purposes. This enables custom views that draw complex content to report themselves as a tree of virtual views, thus conveying their logical structure.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setText

added in API level 14

void setText (CharSequence text)

Sets the text of this node.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`text`	`CharSequence`: The text.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setTextSelection

added in API level 18

void setTextSelection (int start, 
                int end)

Sets the text selection start and end.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`start`	`int`: The text selection start.
`end`	`int`: The text selection end.

Throws
`IllegalStateException`	If called from an AccessibilityService.

setTraversalAfter

added in API level 22

void setTraversalAfter (View view)

Sets the view whose node is visited after this one in accessibility traversal. A screen-reader must visit the content of the other node before the content of this one.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`view`	`View`: The previous view.

See also:

getTraversalAfter()

setTraversalAfter

added in API level 22

void setTraversalAfter (View root, 
                int virtualDescendantId)

Sets the node after which this one is visited in accessibility traversal. A screen-reader must visit the content of the other node before the content of this one. If virtualDescendantId equals to NO_ID the root is set as the predecessor.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setTraversalBefore

added in API level 22

void setTraversalBefore (View view)

Sets the view before whose node this one should be visited during traversal. A screen-reader must visit the content of this node before the content of the one it precedes.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`view`	`View`: The view providing the preceding node.

See also:

getTraversalBefore()

setTraversalBefore

added in API level 22

void setTraversalBefore (View root, 
                int virtualDescendantId)

Sets the node before which this one is visited during traversal. A screen-reader must visit the content of this node before the content of the one it precedes. The successor is a virtual descendant of the given root. If virtualDescendantId equals to NO_ID the root is set as the successor.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`root`	`View`: The root of the virtual subtree.
`virtualDescendantId`	`int`: The id of the virtual descendant.

setViewIdResourceName

added in API level 18

void setViewIdResourceName (String viewIdResName)

Sets the fully qualified resource name of the source view's id.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`viewIdResName`	`String`: The id resource name.

setVisibleToUser

added in API level 16

void setVisibleToUser (boolean visibleToUser)

Sets whether this node is visible to the user.

Note: Cannot be called from an AccessibilityService. This class is made immutable before being delivered to an AccessibilityService.

Parameters
`visibleToUser`	`boolean`: Whether the node is visible to the user.

Throws
`IllegalStateException`	If called from an AccessibilityService.

toString

added in API level 14

String toString ()

Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

 getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String`	a string representation of the object.

writeToParcel

added in API level 14

void writeToParcel (Parcel parcel, 
                int flags)

Flatten this object in to a Parcel.

Note: After the instance is written to a parcel it is recycled. You must not touch the object after calling this function.

Parameters
`parcel`	`Parcel`: The Parcel in which the object should be written.
`flags`	`int`: Additional flags about how the object should be written. May be 0 or `PARCELABLE_WRITE_RETURN_VALUE`.

AccessibilityNodeInfo

Developer Guides

Summary

Nested classes

Constants

Inherited constants

Fields

Public methods

Inherited methods

Constants

ACTION_ACCESSIBILITY_FOCUS

ACTION_ARGUMENT_COLUMN_INT

ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN

ACTION_ARGUMENT_HTML_ELEMENT_STRING

ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT

ACTION_ARGUMENT_MOVE_WINDOW_X

ACTION_ARGUMENT_MOVE_WINDOW_Y

ACTION_ARGUMENT_PROGRESS_VALUE

ACTION_ARGUMENT_ROW_INT

ACTION_ARGUMENT_SELECTION_END_INT

ACTION_ARGUMENT_SELECTION_START_INT

ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE

ACTION_CLEAR_ACCESSIBILITY_FOCUS

ACTION_CLEAR_FOCUS

ACTION_CLEAR_SELECTION

ACTION_CLICK

ACTION_COLLAPSE

ACTION_COPY

ACTION_CUT

ACTION_DISMISS

ACTION_EXPAND

ACTION_FOCUS

ACTION_LONG_CLICK

ACTION_NEXT_AT_MOVEMENT_GRANULARITY

ACTION_NEXT_HTML_ELEMENT

ACTION_PASTE

ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY

ACTION_PREVIOUS_HTML_ELEMENT

ACTION_SCROLL_BACKWARD

ACTION_SCROLL_FORWARD

ACTION_SELECT

ACTION_SET_SELECTION

ACTION_SET_TEXT

EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH

EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX

EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY

FOCUS_ACCESSIBILITY

FOCUS_INPUT

MOVEMENT_GRANULARITY_CHARACTER

MOVEMENT_GRANULARITY_LINE

MOVEMENT_GRANULARITY_PAGE

MOVEMENT_GRANULARITY_PARAGRAPH

MOVEMENT_GRANULARITY_WORD

Fields

CREATOR

Public methods

addAction

addAction

addChild

addChild

canOpenPopup

describeContents

equals

findAccessibilityNodeInfosByText

findAccessibilityNodeInfosByViewId

findFocus

focusSearch

getActionList

getActions

getAvailableExtraData

getBoundsInParent

getBoundsInScreen

getChild

getChildCount

getClassName

getCollectionInfo

getCollectionItemInfo

getContentDescription

getDrawingOrder

getError