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Radio button

Use radio buttons to present each item in a list of options where merchants must make a single selection.

Use radio buttons where merchants must make a single selection.

import{LegacyStack,RadioButton}from'@shopify/polaris';import{useState,useCallback}from'react';functionRadioButtonExample(){const[value,setValue]=useState('disabled');consthandleChange=useCallback((_:boolean,newValue:string)=>setValue(newValue),[],);return(<LegacyStackvertical><RadioButtonlabel="Accounts are disabled"helpText="Customers will only be able to check out as guests."checked={value==='disabled'}id="disabled"name="accounts"onChange={handleChange}/><RadioButtonlabel="Accounts are optional"helpText="Customers will be able to check out with a customer account or as a guest."id="optional"name="accounts"checked={value==='optional'}onChange={handleChange}/></LegacyStack>);}

Props

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interface RadioButtonProps
ariaDescribedBy? string

Indicates the ID of the element that describes the the radio button.
label React.ReactNode

Label for the radio button.
labelHidden? boolean

Visually hide the label.
checked? boolean

Radio button is selected.
disabled? boolean

Disable input.
id? string

表单输入ID。
name? string

Name for form input.
value? string

Value for form input.
onChange? (newValue:boolean,id:string) =>void

Callback when the radio button is toggled.
onFocus? () =>void

Callback when radio button is focused.
onBlur? () =>void

Callback when focus is removed.
fill? T|({ [BreakpointinBreakpointsAlias]?:T; })<T><boolean>

Grow to fill the space. Equivalent to width: 100%; height: 100%.
helpText? React.ReactNode

Additional text to aide in use.
bleed? Spacing

Spacing around children. Accepts a spacing token or an object of spacing tokens for different screen sizes.
bleedBlockStart? Spacing

Vertical start spacing around children. Accepts a spacing token or an object of spacing tokens for different screen sizes.
bleedBlockEnd? Spacing

Vertical end spacing around children. Accepts a spacing token or an object of spacing tokens for different screen sizes.
bleedInlineStart? Spacing

Horizontal start spacing around children. Accepts a spacing token or an object of spacing tokens for different screen sizes.
bleedInlineEnd? Spacing

Horizontal end spacing around children. Accepts a spacing token or an object of spacing tokens for different screen sizes.

Best practices

Radio buttons should:

  • Always be used with an associated label component.
  • Be part of a list of radio buttons that:
    • Include at least two or more choices.
    • Are used to have merchants select only one option.
    • Include mutually exclusive options—this means that each option must be independent from every other option in the list. For example: Red, blue, and yellow are mutually exclusive. Red, blue, yellow, red/blue are not mutually exclusive.
    • List options in a rational order that makes logical sense.
    • Have a default option selected whenever possible.

Content guidelines

单选按钮标签

单选按钮标签should:

  • Be introduced with a colon or a heading
  • Start with a capital letter

Do

  • Option 1

Don’t

  • option 1
  • Not end in punctuation if it’s a single sentence, word, or a fragment

Do

  • Red

Don’t

  • Red;

Toggle (Android and iOS only)

Toggle labels should:

  • Be clear what merchants are enabling or disabling
  • Start with a capital letter

Toggle values should:

  • Never be labeled

Related components

Accessibility

Screen readers convey the state of the radio button automatically.

  • Use thedisabledprop to apply the HTMLdisabledattribute to the radio button. This prevents merchants from being able to interact with the radio button, and conveys its inactive state to assistive technologies.
  • Use theidprop to provide a uniqueidattribute value for the radio button. If anidisn’t provided, then the component generates one. All radio buttons must have uniqueidvalues to work correctly with assistive technologies.

Labeling

  • The requiredlabelprop conveys the purpose of the radio button to all merchants
  • Use thelabelHiddenprop to visually hide the label but make it available to assistive technologies
  • When you provide help text via thehelpTextprop or an inline error message via theerrorprop, the help or error content is conveyed to screen reader users with thearia-describedbyattribute

Keyboard support

  • Move focus to the radio button group using thetabkey (or转变+tabwhen tabbing backwards)
  • Use the up and down arrow keys to change which radio button is selected