About Animation And Accessibility For The Visually Impaired - MACROMEDIA FLASH MX 2004-USING FLASH Use Manual
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To view a tab order:
•
Select View > Show Tab Order.
Tab index numbers for individual objects appear in the upper left corner of the object.
Note: Tab order created with ActionScript code, rather than the Accessibility panel, does not
appear when you enable the Show Tab Order option.
About animation and accessibility for the visually impaired
In some situations, you might want to change the property of an accessible object during movie
playback. For example, you might want to indicate changes that take place on a keyframe in an
animation.
To update properties for an accessible object:
Display the frame in which you want to change the properties.
1.
Do one of the following:
2.
Select Window > Properties if the inspector is not visible. In the Property inspector, click
the Accessibility button.
Select Window > Other Panels > Accessibility.
In the Accessibility panel, change the properties for the object as needed.
3.
Alternatively, you can use ActionScript to update accessibility properties. See
accessibility with ActionScript" on page
Different screen readers treat new objects on frames differently. Some screen readers may read
only the new object; some screen readers may re-read the entire document.
Try to avoid animating the text, buttons, and input text fields in your document. If you keep
these kinds of objects stable, you reduce the chance of causing a screen reader to emit extra
"chatter" that can annoy users. Also, it's best to avoid making your Flash content loop.
If you're using a feature such as Text Break Apart to animate text, Flash Player can't determine the
actual text content of that text. Other examples of information-carrying graphics include icons
and gestural animations. You can remedy problems such as this by providing names or
descriptions for certain accessible objects within your document or for the entire Flash
application. See
supplementary text into your document or shift important content from graphics to text.
368
Chapter 17: Creating Accessible Content
"Making an entire Flash application accessible" on page
369.
"Creating
365. You can also add
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