javax.accessibility

接口
所有已知实现类:
AbstractColorChooserPanel, Applet, BasicArrowButton, BasicComboBoxRenderer, BasicComboBoxRenderer.UIResource, BasicComboPopup, BasicInternalFrameTitlePane.SystemMenuBar, BasicToolBarUI.DragWindow, Box, Box.Filler, Button, Canvas, CellRendererPane, Checkbox, CheckboxMenuItem, Choice, DefaultListCellRenderer, DefaultListCellRenderer.UIResource, DefaultTableCellRenderer, DefaultTableCellRenderer.UIResource, DefaultTreeCellEditor.DefaultTextField, DefaultTreeCellRenderer, Dialog, FileDialog, Frame, HTMLEditorKit, ImageIcon, JApplet, JButton, JCheckBox, JCheckBoxMenuItem, JColorChooser, JComboBox, JDesktopPane, JDialog, JEditorPane, JFileChooser, JFormattedTextField, JFrame, JInternalFrame, JInternalFrame.JDesktopIcon, JLabel, JLayeredPane, JList, JList.AccessibleJList.AccessibleJListChild, JMenu, JMenuBar, JMenuItem, JOptionPane, JPanel, JPasswordField, JPopupMenu, JPopupMenu.Separator, JProgressBar, JRadioButton, JRadioButtonMenuItem, JRootPane, JScrollBar, JScrollPane, JScrollPane.ScrollBar, JSeparator, JSlider, JSpinner, JSpinner.DateEditor, JSpinner.DefaultEditor, JSpinner.ListEditor, JSpinner.NumberEditor, JSplitPane, JTabbedPane, JTable, JTable.AccessibleJTable.AccessibleJTableCell, JTableHeader, JTableHeader.AccessibleJTableHeader.AccessibleJTableHeaderEntry, JTextArea, JTextComponent, JTextField, JTextPane, JToggleButton, JToolBar, JToolBar.Separator, JToolTip, JTree, JTree.AccessibleJTree.AccessibleJTreeNode, JViewport, JWindow, Label, List, List.AccessibleAWTList.AccessibleAWTListChild, Menu, MenuBar, MenuItem, MetalComboBoxButton, MetalComboBoxUI.MetalComboPopup, MetalFileChooserUI.FileRenderer, MetalFileChooserUI.FilterComboBoxRenderer, MetalScrollButton, Panel, PopupMenu, ProgressMonitor, Scrollbar, ScrollPane, TextArea, TextComponent, TextField, Window

public interface Accessible

Accessible 接口是可访问性包的主接口。所有支持可访问性包的组件都必须实现此接口。它包含单个方法 getAccessibleContext(),此方法返回 AccessibleContext 类的实例。


方法摘要
 AccessibleContext getAccessibleContext()
          返回与此对象关联的 AccessibleContext。
 

方法详细信息

getAccessibleContext

AccessibleContext getAccessibleContext()
返回与此对象关联的 AccessibleContext。在大多数情况下,如果对象实现了 Accessible 接口,则返回值不应为 null。如果组件开发人员创建了实现 Accessible 的对象的子类,且该子类不是 Accessible,那么开发人员应该重写 getAccessibleContext 方法以返回 null。