可折叠

一个带标签、可点击的标题，用于切换其内容的可见性。

Android

iOS

Web

Included in Expo Go

GitHub

npm

更新日志

Recommended version:

~56.0.16

Collapsible 是一个基础组件，通过点击带标签的标题来显示或隐藏其内容。可通过 isOpen 和 onOpenChange 进行受控——每个 Collapsible 都管理独立状态。

安装

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

基础折叠面板

CollapsibleExample.tsx

import { useState } from 'react';
import { Host, Column, Collapsible, Text } from '@expo/ui';

export default function CollapsibleExample() {
  const [open, setOpen] = useState(false);

  return (
    <Host style={{ flex: 1 }}>
      <Column spacing={8} style={{ padding: 16 }}>
        <Collapsible isOpen={open} onOpenChange={setOpen} label="关于">
          <Text>
            一个基础组件，通过带标签的可点击标题切换其内容的可见性。
          </Text>
        </Collapsible>
      </Column>
    </Host>
  );
}

手风琴（一次只展开一个部分）

将每个 Collapsible 的 isOpen 绑定到共享的父级值。该组件不会强制互斥——如何组合由使用者决定。

CollapsibleAccordionExample.tsx

import { useState } from 'react';
import { Host, Column, Collapsible, Text } from '@expo/ui';

type Section = 'a' | 'b' | 'c' | null;

export default function CollapsibleAccordionExample() {
  const [openSection, setOpenSection] = useState<Section>('a');

  return (
    <Host style={{ flex: 1 }}>
      <Column spacing={8} style={{ padding: 16 }}>
        <Collapsible
          isOpen={openSection === 'a'}
          onOpenChange={open => setOpenSection(open ? 'a' : null)}
          label="A 部分">
          <Text>打开 B 或 C 会关闭此项。</Text>
        </Collapsible>
        <Collapsible
          isOpen={openSection === 'b'}
          onOpenChange={open => setOpenSection(open ? 'b' : null)}
          label="B 部分">
          <Text>打开 A 或 C 会关闭此项。</Text>
        </Collapsible>
        <Collapsible
          isOpen={openSection === 'c'}
          onOpenChange={open => setOpenSection(open ? 'c' : null)}
          label="C 部分">
          <Text>打开 A 或 B 会关闭此项。</Text>
        </Collapsible>
      </Column>
    </Host>
  );
}

API

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

Component

`Collapsible`

Android

iOS

Web

Type: React.Element<CollapsibleProps>

A primitive that toggles visibility of its content via a labelled tappable header. Controlled via isOpen + onOpenChange.

Props for the Collapsible component, a primitive that shows or hides its content with a tap on a labelled header.

CollapsibleProps

`children`

Android

iOS

Web

Optional • Type: ReactNode

Content rendered when isOpen is true.

`isOpen`

Android

iOS

Web

Type: boolean

Whether the content is currently expanded.

`label`

Android

iOS

Web

Optional • Type: string

Text rendered in the tappable header.

`onOpenChange`

Android

iOS

Web

Type: (isOpen: boolean) => void

Called when the user taps the header to toggle the open state.