复选框

一个表示选中或未选中状态的切换控件。

Android

iOS

Web

Included in Expo Go

Recommended version:

~57.0.3

一个受控的复选框。将 value 与 onValueChange 配对以从 React 管理状态。

🌐 A controlled checkbox. Pair value with onValueChange to manage state from React.

安装

🌐 Installation

Terminal

- npx expo install @expo/ui

If you are installing this in an existing React Native app, make sure to install expo in your project.

用法

🌐 Usage

基本复选框

🌐 Basic checkbox

CheckboxExample.tsx

import { useState } from 'react';
import { Host, Checkbox } from '@expo/ui';

export default function CheckboxExample() {
  const [accepted, setAccepted] = useState(false);

  return (
    <Host matchContents>
      <Checkbox label="I accept the terms" value={accepted} onValueChange={setAccepted} />
    </Host>
  );
}

已禁用

🌐 Disabled

DisabledCheckboxExample.tsx

import { Host, Checkbox } from '@expo/ui';

export default function DisabledCheckboxExample() {
  return (
    <Host matchContents>
      <Checkbox label="Locked option" value onValueChange={() => {}} disabled />
    </Host>
  );
}

应用接口

🌐 API

import { Checkbox } from '@expo/ui';

Component

`Checkbox`

Type: React.Element<CheckboxProps>

A toggle control that represents a checked or unchecked state.

Props for the Checkbox component.

CheckboxProps

`disabled`

Optional • Type: boolean

Whether the checkbox is disabled. Disabled checkboxes do not respond to user interaction.

`label`

Optional • Type: string

Text label displayed alongside the checkbox.

`modifiers`

Optional • Type: ModifierConfig[]

Platform-specific modifier escape hatch. Pass an array of modifier configs from @expo/ui/swift-ui/modifiers or @expo/ui/jetpack-compose/modifiers.

`onValueChange`

Type: (value: boolean) => void

Called when the user toggles the checkbox.

`testID`

Optional • Type: string

Identifier used to locate the component in end-to-end tests.

`value`

Type: boolean

Whether the checkbox is checked.