AccessibilityInfo

java.lang.Object
- ohos.accessibility.ability.AccessibilityInfo

```
public class AccessibilityInfo
extends Object
```
Provides methods for obtaining information about an accessibility node.
The information about this accessibility node derives from a HarmonyOS application control. You can use this accessibility node to obtain information about the control on the GUI.

从以下版本开始:

3

SystemCapability

SystemCapability.Accessibility#ABILITY

字段概要

字段
限定符和类型	字段	说明
`static int`	`ACCESSIBILITY_OPERATION_ACCESSIBILITY_FOCUS`	Indicates the operation of gaining accessibility focus.
`static int`	`ACCESSIBILITY_OPERATION_CLEAR_ACCESSIBILITY_FOCUS`	Indicates the operation of clearing accessibility focus.
`static int`	`ACCESSIBILITY_OPERATION_CLEAR_FOCUS`	Indicates the operation of clearing focus.
`static int`	`ACCESSIBILITY_OPERATION_CLEAR_SELECTION`	Indicates the operation of deselecting an accessibility node.
`static int`	`ACCESSIBILITY_OPERATION_CLICK`	Indicates the click operation.
`static int`	`ACCESSIBILITY_OPERATION_COPY`	Indicates the copy operation.
`static int`	`ACCESSIBILITY_OPERATION_CUT`	Indicates the cut operation.
`static int`	`ACCESSIBILITY_OPERATION_FOCUS`	Indicates the operation of gaining focus.
`static int`	`ACCESSIBILITY_OPERATION_LONG_CLICK`	Indicates the long click operation.
`static int`	`ACCESSIBILITY_OPERATION_PASTE`	Indicates the paste operation.
`static int`	`ACCESSIBILITY_OPERATION_SCROLL_BACKWARD`	Indicates the operation of scrolling backwards.
`static int`	`ACCESSIBILITY_OPERATION_SCROLL_FORWARD`	Indicates the operation of scrolling forwards.
`static int`	`ACCESSIBILITY_OPERATION_SELECT`	Indicates the operation of selecting an accessibility node.
`static int`	`ACCESSIBILITY_OPERATION_SET_SELECTION`	Indicates the operation of selecting text.
`static int`	`ACCESSIBILITY_OPERATION_SET_TEXT`	Indicates the operation of setting text.
`static int`	`DIRECTION_BACKWARD`	Indicates the backward direction.
`static int`	`DIRECTION_DOWN`	Indicates the downward direction.
`static int`	`DIRECTION_FORWARD`	Indicates the forward direction.
`static int`	`DIRECTION_LEFT`	Indicates the leftward direction.
`static int`	`DIRECTION_RIGHT`	Indicates the rightward direction.
`static int`	`DIRECTION_UP`	Indicates the upward direction.
`static int`	`FOCUS_TYPE_ACCESSIBILITY`	Indicates the type of accessibility focus.
`static int`	`FOCUS_TYPE_INPUT`	Indicates the type of input focus.

构造器概要

构造器
构造器说明

AccessibilityInfo()
Constructor

构造器
构造器	说明
`AccessibilityInfo()`	Constructor

方法概要

所有方法实例方法具体方法
限定符和类型	方法	说明
`void`	`addOperation(AccessibleOperation operation)`	Adds an operation.
`boolean`	`deleteOperation(AccessibleOperation operation)`	Deletes an operation.
`boolean`	`executeOperation(int operation)`	Executes a specified operation.
`Optional<AccessibilityInfo>`	`gainFocus(int focusType)`	Obtains information about the node that gains accessibility focus.
`Optional<AccessibilityInfo>`	`gainNextFocus(int direction)`	Obtains the next focused node in the specified direction of the currently focused node.
`long`	`getAccessibilityId()`	Obtains the ID of this accessibility node.
`List<AccessibilityInfo>`	`getAccessibleInfoViaContent(String text)`	Searches for node information based on the specified content.
`CharSequence`	`getBundleName()`	Obtains the application bundle name.
`Optional<AccessibilityInfo>`	`getChild(int index)`	Obtains information about the child node at a specified index.
`int`	`getChildCount()`	Obtains the number of child nodes.
`long`	`getChildId(int index)`	Obtains the ID of the child node at a specified index.
`String`	`getClassName()`	Obtains the class name.
`String`	`getComponentResourceId()`	Obtains the resource ID.
`CharSequence`	`getContent()`	Obtains the node content.
`CharSequence`	`getDescriptionInfo()`	Obtains the description of the accessibility node.
`String`	`getHint()`	Obtains the hint information.
`int`	`getMaximumLength()`	Obtains the maximum length of text allowed for this node.
`List<AccessibleOperation>`	`getOperations()`	Obtains an operation list.
`Rect`	`getRectInScreen()`	Obtains the rectangular area of this accessibility node control in the screen.
`boolean`	`hasGainedAccessibilitySelected()`	Checks whether this node has gained accessibility focus.
`boolean`	`isCheckable()`	Checks whether this node (a check box as an example) is checkable.
`boolean`	`isChecked()`	Checks whether this node is checked.
`boolean`	`isClickable()`	Checks whether this node is clickable.
`boolean`	`isDeletable()`	Checks whether this node is deletable.
`boolean`	`isEditable()`	Checks whether this node is editable.
`boolean`	`isEnabled()`	Checks whether this node is enabled.
`boolean`	`isEssential()`	Checks whether this node is essential to users.
`boolean`	`isFocusable()`	Checks whether this node can be focused.
`boolean`	`isFocused()`	Checks whether this node has gained focus.
`boolean`	`isGivingHint()`	Checks whether this node is displaying a hint.
`boolean`	`isLongClickable()`	Checks whether this node supports the long click operation.
`boolean`	`isPassword()`	Checks whether the content in this node is a password.
`boolean`	`isPluralLineSupported()`	Checks whether this node can display text in multiple lines.
`boolean`	`isPopupSupported()`	Checks whether pop-up windows are supported.
`boolean`	`isScrollable()`	Checks whether this node is scrollable.
`boolean`	`isSelected()`	Checks whether this node is selected.
`boolean`	`isVisible()`	Checks whether this node is visible to users.
`void`	`setAccessibleFocusStatus(boolean accessibilityFocused)`	Sets whether this node is accessibility focused.
`void`	`setCheckable(boolean checkable)`	Sets whether this node is checkable.
`void`	`setChecked(boolean checked)`	Sets whether this node is checked.
`void`	`setClassName(String className)`	Sets the class name.
`void`	`setClickable(boolean clickable)`	Sets whether this node is clickable.
`void`	`setDeletable(boolean dismissible)`	Sets whether this node is deletable.
`void`	`setEditable(boolean editable)`	Sets whether this node is editable.
`void`	`setEnabled(boolean enabled)`	Sets whether this node is enabled.
`void`	`setEssential(boolean essential)`	Sets whether this node is essential to users.
`void`	`setFocusable(boolean focusable)`	Sets whether this node can be focused.
`void`	`setFocused(boolean focused)`	Sets whether this node has gained focus.
`void`	`setHint(String hint)`	Sets the hint information.
`void`	`setHinting(boolean givingHintText)`	Sets whether this node is displaying a hint.
`void`	`setLongClickable(boolean longClickable)`	Sets whether this node supports the long click operation.
`void`	`setMaximumLength(int maxLength)`	Sets the maximum length of text allowed for this node.
`void`	`setPassword(boolean password)`	Sets whether the content in this node is a password.
`void`	`setPluralLineSupported(boolean pluralLineSupported)`	Sets whether this node can display text in multiple lines.
`void`	`setPopupSupported(boolean supportPopup)`	Sets whether to support pop-up windows.
`void`	`setScrollable(boolean scrollable)`	Sets whether this node is scrollable.
`void`	`setSelected(boolean selected)`	Sets whether this node is selected.
`void`	`setVisible(boolean visibleToUser)`	Sets whether this node is visible to users.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - ACCESSIBILITY_OPERATION_ACCESSIBILITY_FOCUS
```
public static final int ACCESSIBILITY_OPERATION_ACCESSIBILITY_FOCUS
```
    Indicates the operation of gaining accessibility focus.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_CLEAR_ACCESSIBILITY_FOCUS
```
public static final int ACCESSIBILITY_OPERATION_CLEAR_ACCESSIBILITY_FOCUS
```
    Indicates the operation of clearing accessibility focus.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_CLEAR_FOCUS
```
public static final int ACCESSIBILITY_OPERATION_CLEAR_FOCUS
```
    Indicates the operation of clearing focus.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_CLEAR_SELECTION
```
public static final int ACCESSIBILITY_OPERATION_CLEAR_SELECTION
```
    Indicates the operation of deselecting an accessibility node.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_CLICK
```
public static final int ACCESSIBILITY_OPERATION_CLICK
```
    Indicates the click operation.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_COPY
```
public static final int ACCESSIBILITY_OPERATION_COPY
```
    Indicates the copy operation.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_CUT
```
public static final int ACCESSIBILITY_OPERATION_CUT
```
    Indicates the cut operation.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_FOCUS
```
public static final int ACCESSIBILITY_OPERATION_FOCUS
```
    Indicates the operation of gaining focus.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_LONG_CLICK
```
public static final int ACCESSIBILITY_OPERATION_LONG_CLICK
```
    Indicates the long click operation.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_PASTE
```
public static final int ACCESSIBILITY_OPERATION_PASTE
```
    Indicates the paste operation.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_SCROLL_BACKWARD
```
public static final int ACCESSIBILITY_OPERATION_SCROLL_BACKWARD
```
    Indicates the operation of scrolling backwards.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_SCROLL_FORWARD
```
public static final int ACCESSIBILITY_OPERATION_SCROLL_FORWARD
```
    Indicates the operation of scrolling forwards.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_SELECT
```
public static final int ACCESSIBILITY_OPERATION_SELECT
```
    Indicates the operation of selecting an accessibility node.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_SET_SELECTION
```
public static final int ACCESSIBILITY_OPERATION_SET_SELECTION
```
    Indicates the operation of selecting text.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - ACCESSIBILITY_OPERATION_SET_TEXT
```
public static final int ACCESSIBILITY_OPERATION_SET_TEXT
```
    Indicates the operation of setting text.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_BACKWARD
```
public static final int DIRECTION_BACKWARD
```
    Indicates the backward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_DOWN
```
public static final int DIRECTION_DOWN
```
    Indicates the downward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_FORWARD
```
public static final int DIRECTION_FORWARD
```
    Indicates the forward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_LEFT
```
public static final int DIRECTION_LEFT
```
    Indicates the leftward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_RIGHT
```
public static final int DIRECTION_RIGHT
```
    Indicates the rightward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - DIRECTION_UP
```
public static final int DIRECTION_UP
```
    Indicates the upward direction.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    常量字段值
  - FOCUS_TYPE_ACCESSIBILITY
```
public static final int FOCUS_TYPE_ACCESSIBILITY
```
    Indicates the type of accessibility focus.
    
    另请参阅:
    
    常量字段值
  - FOCUS_TYPE_INPUT
```
public static final int FOCUS_TYPE_INPUT
```
    Indicates the type of input focus.
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - AccessibilityInfo
```
public AccessibilityInfo()
```
    Constructor
- 方法详细资料
  - getAccessibilityId
```
public long getAccessibilityId()
```
    Obtains the ID of this accessibility node.
    
    返回:
    
    Returns the node ID.
  - getComponentResourceId
```
public String getComponentResourceId()
```
    Obtains the resource ID.
    
    返回:
    
    Returns the resource ID of this accessibility node.
  - getContent
```
public CharSequence getContent()
```
    Obtains the node content.
    
    返回:
    
    Returns the content of this accessibility node.
  - getRectInScreen
```
public Rect getRectInScreen()
```
    Obtains the rectangular area of this accessibility node control in the screen.
    
    返回:
    
    Returns the rectangular area.
  - getBundleName
```
public CharSequence getBundleName()
```
    Obtains the application bundle name.
    
    返回:
    
    Returns the bundle name.
    
    从以下版本开始:
    
    4
  - getDescriptionInfo
```
public CharSequence getDescriptionInfo()
```
    Obtains the description of the accessibility node.
    
    返回:
    
    Returns the description.
    
    从以下版本开始:
    
    4
  - getChild
```
public Optional<AccessibilityInfo> getChild(int index)
```
    Obtains information about the child node at a specified index.
    
    参数:
    
    index - Indicates the index of the child node.
    
    返回:
    
    Returns information about the child node.
  - getChildCount
```
public int getChildCount()
```
    Obtains the number of child nodes.
    
    返回:
    
    Returns the number of child nodes.
  - getChildId
```
public long getChildId(int index)
```
    Obtains the ID of the child node at a specified index.
    
    参数:
    
    index - Indicates the index of the child node.
    
    返回:
    
    Returns the ID of the child node.
  - gainFocus
```
public Optional<AccessibilityInfo> gainFocus(int focusType)
```
    Obtains information about the node that gains accessibility focus.
    
    参数:
    
    focusType - Indicates the focus type, which is described in AccessibilityInfo#FOCUS_TYPE_ACCESSIBILITY.
    
    返回:
    
    Returns information about the focused accessibility node.
    
    从以下版本开始:
    
    4
  - gainNextFocus
```
public Optional<AccessibilityInfo> gainNextFocus(int direction)
```
    Obtains the next focused node in the specified direction of the currently focused node.
    
    参数:
    
    direction - Indicates the direction to obtain the next focused node. The value can be AccessibilityInfo#DIRECTION_UP, AccessibilityInfo#DIRECTION_DOWN, AccessibilityInfo#DIRECTION_LEFT, AccessibilityInfo#DIRECTION_RIGHT, AccessibilityInfo#DIRECTION_FORWARD, or AccessibilityInfo#DIRECTION_BACKWARD.
    
    返回:
    
    Returns information about the next focused accessibility node.
    
    从以下版本开始:
    
    4
  - getAccessibleInfoViaContent
```
public List<AccessibilityInfo> getAccessibleInfoViaContent(String text)
```
    Searches for node information based on the specified content.
    
    参数:
    
    text - Indicates the content used to search for node information.
    
    返回:
    
    Returns a list of accessibility nodes.
    
    从以下版本开始:
    
    4
  - executeOperation
```
public boolean executeOperation(int operation)
```
    Executes a specified operation.
    
    参数:
    
    operation - Indicates the operation type.
    
    返回:
    
    Returns true if the operation is successfully executed; returns false otherwise.
    
    从以下版本开始:
    
    4
  - addOperation
```
public void addOperation(AccessibleOperation operation)
```
    Adds an operation.
    
    参数:
    
    operation - Indicates the operation type.
    
    从以下版本开始:
    
    4
  - getOperations
```
public List<AccessibleOperation> getOperations()
```
    Obtains an operation list.
    
    返回:
    
    Returns the operation list.
    
    从以下版本开始:
    
    4
  - deleteOperation
```
public boolean deleteOperation(AccessibleOperation operation)
```
    Deletes an operation.
    
    参数:
    
    operation - Indicates the operation type.
    
    返回:
    
    Returns true if the operation is successfully deleted; returns false otherwise.
    
    从以下版本开始:
    
    4
  - isPopupSupported
```
public boolean isPopupSupported()
```
    Checks whether pop-up windows are supported.
    
    返回:
    
    Returns true if pop-up windows are supported; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setPopupSupported
```
public void setPopupSupported(boolean supportPopup)
```
    Sets whether to support pop-up windows.
    
    参数:
    
    supportPopup - Specifies whether to support pop-up windows. The value true indicates that pop-up windows are supported, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - getClassName
```
public String getClassName()
```
    Obtains the class name.
    
    返回:
    
    Returns the class name.
    
    从以下版本开始:
    
    4
  - setClassName
```
public void setClassName(String className)
```
    Sets the class name.
    
    参数:
    
    className - Indicates the class name to set.
    
    从以下版本开始:
    
    4
  - getHint
```
public String getHint()
```
    Obtains the hint information.
    
    返回:
    
    Returns the hint information.
    
    从以下版本开始:
    
    4
  - setHint
```
public void setHint(String hint)
```
    Sets the hint information.
    
    参数:
    
    hint - Indicates the hint information to set.
    
    从以下版本开始:
    
    4
  - getMaximumLength
```
public int getMaximumLength()
```
    Obtains the maximum length of text allowed for this node.
    
    返回:
    
    Returns the maximum text length.
    
    从以下版本开始:
    
    4
  - setMaximumLength
```
public void setMaximumLength(int maxLength)
```
    Sets the maximum length of text allowed for this node.
    
    参数:
    
    maxLength - Indicates the maximum length to set.
    
    从以下版本开始:
    
    4
  - hasGainedAccessibilitySelected
```
public boolean hasGainedAccessibilitySelected()
```
    Checks whether this node has gained accessibility focus.
    
    返回:
    
    Returns true if this node has gained accessibility focus; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setAccessibleFocusStatus
```
public void setAccessibleFocusStatus(boolean accessibilityFocused)
```
    Sets whether this node is accessibility focused.
    
    参数:
    
    accessibilityFocused - Specifies whether this node is accessibility focused. The value true indicates that the node is accessibility focused, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isCheckable
```
public boolean isCheckable()
```
    Checks whether this node (a check box as an example) is checkable.
    
    返回:
    
    Returns true if this node is checkable; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setCheckable
```
public void setCheckable(boolean checkable)
```
    Sets whether this node is checkable.
    
    参数:
    
    checkable - Specifies whether this node is checkable. The value true indicates that the node is checkable, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isChecked
```
public boolean isChecked()
```
    Checks whether this node is checked.
    
    返回:
    
    Returns true if this node is checked; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setChecked
```
public void setChecked(boolean checked)
```
    Sets whether this node is checked.
    
    参数:
    
    checked - Specifies whether this node is checked. The value true indicates that the node is checked, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isClickable
```
public boolean isClickable()
```
    Checks whether this node is clickable.
    
    返回:
    
    Returns true if this node is clickable; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setClickable
```
public void setClickable(boolean clickable)
```
    Sets whether this node is clickable.
    
    参数:
    
    clickable - Specifies whether this node is clickable. The value true indicates that the node is clickable, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isDeletable
```
public boolean isDeletable()
```
    Checks whether this node is deletable.
    
    返回:
    
    Returns true if this node is deletable; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setDeletable
```
public void setDeletable(boolean dismissible)
```
    Sets whether this node is deletable.
    
    参数:
    
    dismissible - Specifies whether this node is deletable. The value true indicates that the node is deletable, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isEditable
```
public boolean isEditable()
```
    Checks whether this node is editable.
    
    返回:
    
    Returns true if this node is editable; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setEditable
```
public void setEditable(boolean editable)
```
    Sets whether this node is editable.
    
    参数:
    
    editable - Specifies whether this node is editable. The value true indicates that the node is editable, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isEnabled
```
public boolean isEnabled()
```
    Checks whether this node is enabled.
    
    返回:
    
    Returns true if this node is enabled; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setEnabled
```
public void setEnabled(boolean enabled)
```
    Sets whether this node is enabled.
    
    参数:
    
    enabled - Specifies whether this node is enabled. The value true indicates that the node is enabled, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isFocused
```
public boolean isFocused()
```
    Checks whether this node has gained focus.
    
    返回:
    
    Returns true if this node has gained focus; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setFocused
```
public void setFocused(boolean focused)
```
    Sets whether this node has gained focus.
    
    参数:
    
    focused - Specifies whether this node has gained focus. The value true indicates that the node has gained focus, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isFocusable
```
public boolean isFocusable()
```
    Checks whether this node can be focused.
    
    返回:
    
    Returns true if this node can be focused; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setFocusable
```
public void setFocusable(boolean focusable)
```
    Sets whether this node can be focused.
    
    参数:
    
    focusable - Specifies whether this node can be focused. The value true indicates that the node can be focused, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isEssential
```
public boolean isEssential()
```
    Checks whether this node is essential to users.
    
    返回:
    
    Returns true if this node is essential to users; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setEssential
```
public void setEssential(boolean essential)
```
    Sets whether this node is essential to users.
    
    参数:
    
    essential - Specifies whether this node is essential to users. The value true indicates that the node is essential to users, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isLongClickable
```
public boolean isLongClickable()
```
    Checks whether this node supports the long click operation.
    
    返回:
    
    Returns true if this node supports long click; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setLongClickable
```
public void setLongClickable(boolean longClickable)
```
    Sets whether this node supports the long click operation.
    
    参数:
    
    longClickable - Specifies whether this node supports long click. The value true indicates that the node supports long click, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isPluralLineSupported
```
public boolean isPluralLineSupported()
```
    Checks whether this node can display text in multiple lines.
    
    返回:
    
    Returns true if text can be displayed in multiple lines; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setPluralLineSupported
```
public void setPluralLineSupported(boolean pluralLineSupported)
```
    Sets whether this node can display text in multiple lines.
    
    参数:
    
    pluralLineSupported - Specifies whether this node can display text in multiple lines. The value true indicates that the node can display text in multiple lines, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isPassword
```
public boolean isPassword()
```
    Checks whether the content in this node is a password.
    
    返回:
    
    Returns true if the content is a password; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setPassword
```
public void setPassword(boolean password)
```
    Sets whether the content in this node is a password.
    
    参数:
    
    password - Specifies whether the content in this node is a password. The value true indicates that the content is a password, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isScrollable
```
public boolean isScrollable()
```
    Checks whether this node is scrollable.
    
    返回:
    
    Returns true if this node is scrollable; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setScrollable
```
public void setScrollable(boolean scrollable)
```
    Sets whether this node is scrollable.
    
    参数:
    
    scrollable - Specifies whether this node is scrollable. The value true indicates that the node is scrollable, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isSelected
```
public boolean isSelected()
```
    Checks whether this node is selected.
    
    返回:
    
    Returns true if this node is selected; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setSelected
```
public void setSelected(boolean selected)
```
    Sets whether this node is selected.
    
    参数:
    
    selected - Specifies whether this node is selected. The value true indicates that the node is selected, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isGivingHint
```
public boolean isGivingHint()
```
    Checks whether this node is displaying a hint.
    
    返回:
    
    Returns true if this node is displaying a hint; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setHinting
```
public void setHinting(boolean givingHintText)
```
    Sets whether this node is displaying a hint.
    
    参数:
    
    givingHintText - Specifies whether this node is displaying a hint. The value true indicates that the node is displaying a hint, and false indicates the opposite.
    
    从以下版本开始:
    
    4
  - isVisible
```
public boolean isVisible()
```
    Checks whether this node is visible to users.
    
    返回:
    
    Returns true if this node is visible to users; returns false otherwise.
    
    从以下版本开始:
    
    4
  - setVisible
```
public void setVisible(boolean visibleToUser)
```
    Sets whether this node is visible to users.
    
    参数:
    
    visibleToUser - Specifies whether this node is visible to users. The value true indicates that the node is visible to users, and false indicates the opposite.
    
    从以下版本开始:
    
    4

类 AccessibilityInfo

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

ACCESSIBILITY_OPERATION_ACCESSIBILITY_FOCUS

ACCESSIBILITY_OPERATION_CLEAR_ACCESSIBILITY_FOCUS

ACCESSIBILITY_OPERATION_CLEAR_FOCUS

ACCESSIBILITY_OPERATION_CLEAR_SELECTION

ACCESSIBILITY_OPERATION_CLICK

ACCESSIBILITY_OPERATION_COPY

ACCESSIBILITY_OPERATION_CUT

ACCESSIBILITY_OPERATION_FOCUS

ACCESSIBILITY_OPERATION_LONG_CLICK

ACCESSIBILITY_OPERATION_PASTE

ACCESSIBILITY_OPERATION_SCROLL_BACKWARD

ACCESSIBILITY_OPERATION_SCROLL_FORWARD

ACCESSIBILITY_OPERATION_SELECT

ACCESSIBILITY_OPERATION_SET_SELECTION

ACCESSIBILITY_OPERATION_SET_TEXT

DIRECTION_BACKWARD

DIRECTION_DOWN

DIRECTION_FORWARD

DIRECTION_LEFT

DIRECTION_RIGHT

DIRECTION_UP

FOCUS_TYPE_ACCESSIBILITY

FOCUS_TYPE_INPUT

构造器详细资料

AccessibilityInfo

方法详细资料

getAccessibilityId

getComponentResourceId

getContent

getRectInScreen

getBundleName

getDescriptionInfo

getChild

getChildCount

getChildId

gainFocus

gainNextFocus

getAccessibleInfoViaContent

executeOperation

addOperation

getOperations

deleteOperation

isPopupSupported

setPopupSupported

getClassName

setClassName

getHint

setHint

getMaximumLength

setMaximumLength

hasGainedAccessibilitySelected

setAccessibleFocusStatus

isCheckable

setCheckable

isChecked

setChecked

isClickable

setClickable

isDeletable

setDeletable

isEditable

setEditable

isEnabled

setEnabled

isFocused

setFocused

isFocusable

setFocusable

isEssential

setEssential

isLongClickable

setLongClickable

isPluralLineSupported

setPluralLineSupported