Option buttons
Use option buttons to indicate a set of mutually exclusive but related choices.
Users can perform the following action with option buttons:
Action
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BlackBerry
devices without a touch screen
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BlackBerry devices with a touch screen
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Select an option button.
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Press the Space key
or click the trackwheel, trackball, or trackpad.
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Click the screen.
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Best practice: Implementing option buttons
- Use option buttons for two or more choices when space is not an issue. If space is an issue, consider using a drop-down list instead.
- Use the RadioButtonField class to create option buttons.
- Verify that the content for option buttons remains static. Content for option buttons should not change depending on the context.
- Do not start an action when users select an option button.
For example, do not open a new screen.
- Align option buttons vertically.
- Group and order values logically (for example, group related option buttons together or include the most common values first). Avoid ordering option buttons
alphabetically; alphabetical order is language specific.
Guidelines for labels
- Use clear, concise labels. Verify that the label clearly describes what occurs when users select the option button. If the labels are too long, they wrap.
- Place labels on the right side of option buttons.
- Use title case capitalization.
- Do not use end punctuation.
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