AccessibilityNodeInfo

Action that gives accessibility focus to the node.

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

Type: boolean
Actions: ACTION_NEXT_AT_MOVEMENT_GRANULARITY , ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY

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

Type: String
Actions: ACTION_NEXT_HTML_ELEMENT , ACTION_PREVIOUS_HTML_ELEMENT

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

Type: int
Actions: ACTION_NEXT_AT_MOVEMENT_GRANULARITY , ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY

Argument for specifying the selection end.

Type: int
Actions: ACTION_SET_SELECTION

Argument for specifying the selection start.

Type: int
Actions: ACTION_SET_SELECTION

Action that clears accessibility focus of the node.

Action that clears input focus of the node.

Action that unselects the node.

Action that clicks on the node info.

Action to collapse an expandable node.

Action to copy the current selection to the clipboard.

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

Action to dismiss a dismissable node.

Action to expand an expandable node.

Action that gives input focus to the node.

Action that long clicks on the node.

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);
          
         

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);
          
         

Action to paste the current clipboard content.

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);
          
         

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);
          
         

Action to scroll the node content backward.

Action to scroll the node content forward.

Action that selects the node.

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);
          
         

The accessibility focus.

The input focus.

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

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

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

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

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

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.

Adds a child.

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

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.

Gets if this node opens a popup or a dialog.

Describe the kinds of special objects contained in this Parcelable's marshalled representation.

Compares this instance with the specified object and indicates if they are equal. In order to be equal, o must represent the same object as this instance using a class-specific comparison. The general contract is that this comparison should be reflexive, symmetric, and transitive. Also, no object reference other than null is equal to null.

The default implementation returns true only if this == o . See Writing a correct equals method if you intend implementing your own equals method.

The general contract for the equals and hashCode() methods is that if equals returns true for any two objects, then hashCode() must return the same value for these objects. This means that subclasses of Object usually override either both methods or neither of them.

Finds AccessibilityNodeInfo s 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.

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". 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 .

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

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

Gets the actions that can be performed on the node.

Gets the node bounds in parent coordinates.

Gets the node bounds in screen coordinates.

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.

Gets the number of children.

Gets the class this node comes from.

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

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

Gets the content description of this node.

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.

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

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.

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.

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.

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

Gets the package this node comes from.

Gets the parent.

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

Gets the range info if this node is a range.

Gets the text of this node.

Gets the text selection end.

Gets the text selection start.

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 .

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

Returns an integer hash code for this object. By contract, any two objects for which equals(Object) returns true must return the same hash code value. This means that subclasses of Object usually override both methods or neither method.

Note that hash values must not change over time unless information used in equals comparisons also changes.

See Writing a correct hashCode method if you intend implementing your own hashCode method.

Gets whether this node is accessibility focused.

Gets whether this node is checkable.

Gets whether this node is checked.

Gets whether this node is clickable.

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

Gets if the node can be dismissed.

Gets if the node is editable.

Gets whether this node is enabled.

Gets whether this node is focusable.

Gets whether this node is focused.

Gets whether this node is long clickable.

Gets if the node is a multi line editable text.

Gets whether this node is a password.

Gets if the node is scrollable.

Gets whether this node is selected.

Sets whether this node is visible to the user.

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

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

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

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

Performs an action on the node.

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

Performs an action on the node.

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

Return an instance back to be reused.

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

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

Note: If this method returns false this info is obsolete since it represents a view that is no longer in the view tree and should be recycled.

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.

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.

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.

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.

Sets whether this node is checkable.

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

Sets whether this node is checked.

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

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.

Sets whether this node is clickable.

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

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.

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.

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.

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.

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.

Sets whether this node is editable.

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

Sets whether this node is enabled.

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

Sets whether this node is focusable.

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

Sets whether this node is focused.

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

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.

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

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.

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

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.

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.

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.

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.

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.

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.

Sets the parent.

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

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.

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.

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

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.

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.

Sets if the node is scrollable.

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

Sets whether this node is selected.

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

Sets the source.

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

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.

Sets the text of this node.

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

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.

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.

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.

Returns a string containing a concise, human-readable description of this object. Subclasses are encouraged to override this method and provide an implementation that takes into account the object's type and data. The default implementation is equivalent to the following expression:

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

See Writing a useful toString method if you intend implementing your own toString method.

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.