The Flash Accessibility panel (Window >
Other Panels > Accessibility) lets you provide accessibility
information to screen readers and set accessibility options for
individual Flash objects or entire Flash applications.
Note: Alternatively, use ActionScript code to enter accessibility
information.
If you select an object on the Stage, you can make that object
accessible and specify options and tab order for the object. For
movie clips, you can specify whether child object information is
passed to the screen reader (the default when you make an object
accessible).
With no objects selected on the Stage, use the Accessibility
panel to assign accessibility options for an entire Flash application.
You can make the entire application accessible, make child objects
accessible, have Flash label objects
automatically, and give specific names and descriptions to objects.
All
objects in Flash documents must have
instance names for you to apply accessibility options to them. Create
instance names for objects in the Property inspector. The instance
name is used to refer to the object in ActionScript.
The following options are available in the Accessibility panel:
- Make Object Accessible
-
(Default) Instructs Flash Player to pass
the accessibility information for an object to a screen reader.
When the option is disabled, accessibility information for the object
is not passed to screen readers. Disabling this option as you test
content for accessibility can be useful because some objects might
be extraneous or decorative and making them accessible could produce confusing
results in the Screen Reader. You can then apply a name manually
to the labeled object, and hide the labeling text by deselecting
Make Object Accessible. When Make Object Accessible is disabled,
all other controls on the Accessibility panel are disabled.
- Make Child Objects Accessible
-
(Movie clips only;
Default) Instructs Flash Player to pass child object information
to the screen reader. Disabling this option for a movie clip causes
that movie clip to appear as a simple clip in the accessible object
tree, even if the clip contains text, buttons, and other objects.
All objects in the movie clip are then hidden from the object tree.
This option is useful mainly for hiding extraneous objects from
screen readers.
Note: If a movie clip is used as a button—it
has a button event handler assigned to it, such as onPress or onRelease—the
Make Child Objects Accessible option is ignored because buttons
are always treated as simple clips, and their children are never examined,
except in the case of labels.
- Auto Label
-
Instructs Flash to automatically
label objects on the Stage with the text associated with them.
- Name
-
Specifies the object name. Screen readers identify objects
by reading these names aloud. When accessible objects don’t have
specified names, a screen reader might read a generic word, such
as Button, which can be confusing.
Important: Do not confuse object names specified in
the Accessibility panel with instance names specified in the Property
inspector. Giving an object a name in the Accessibility panel does
not give it an instance name.
- Description
-
Lets you enter a description of the object to the screen
reader. The screen reader reads this description.
- Shortcut
-
Describes keyboard shortcuts to the user.
The screen reader reads the text in this text field. Entering keyboard
shortcut text here does not create a keyboard shortcut for the selected
object. You must provide ActionScript keyboard handlers to create
shortcut keys.
- Tab Index (Adobe® Flash® CS3 Professional only)
-
Creates a tab order in which objects are accessed when the
user presses the tab key. The tab index feature works for keyboard
navigation through a page, but not for screen reader reading order.
For more information, see the Flash Accessibility
web page at www.adobe.com/go/flash_accessibility/.
For a tutorial about accessible content, see Create Accessible
Flash Content on the Flash Tutorials page at www.adobe.com/go/learn_fl_tutorials.
For a sample of accessible Flash content, see the Flash Samples
page at www.adobe.com/go/learn_fl_samples.
Download and decompress the Samples zip file and navigate to the
Accessibility\AccessibleApplications folder to access the sample.
Comments
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