Radio Group

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Simple radio (KasyRadio) and managed set (KasyRadioGroup) for single-choice selection, inline layout with no card chrome. For the full-width pressable card style, see Radio ButtonGroup.

KasyRadio (individual item):

• size: sm / md (default) / lg — control diameter (16/20/24px).
• variant: primary (elevated white disc when unselected) or secondary (filled neutral disc when unselected) — they only differ in the unselected state.
• label / description: inline text next to the control.
• isInvalid: error style (red ring).
• onChanged null = disabled.

KasyRadioGroup (set with options: List<KasyRadioOption>):

• label / description: group header.
• errorText: when set, all radios turn red and the message shows below.
• orientation: vertical (default) or horizontal.
• style (KasyRadioStyle): overrides colors (activeColor, borderColor, dotColor).

Note: KasyRadioTile exists as a full-width row variant with padding, without the card treatment of Radio ButtonGroup.

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Last updated on 11/03/2026