中文网
🌐 Nodejs.cn
首页指南EAS参考学习

This documentation is available as Markdown for AI agents and LLMs. See the full Markdown index or append .md to any documentation URL.

DropdownMenu

A Jetpack Compose DropdownMenu component for displaying dropdown menus.

Android
Included in Expo Go
Recommended version:
~56.0.26

Expo UI DropdownMenu matches the official Jetpack Compose Menu API and displays a dropdown menu when a trigger element is pressed.

Three-dot more menu opened to show Edit, Share, and Delete options with leading iconsThree-dot more menu opened to show Edit, Share, and Delete options with leading icons

Installation

Terminal
- npx expo install @expo/ui
- yarn expo install @expo/ui
- pnpm expo install @expo/ui
- bun expo install @expo/ui

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

Usage

Basic dropdown menu

BasicDropdownMenuExample.tsx
import {
  Host,
  DropdownMenu,
  DropdownMenuItem,
  OutlinedButton,
  Text,
  Icon,
} from '@expo/ui/jetpack-compose';
import { useState } from 'react';

const homeIcon = require('./assets/home.xml');

export default function BasicDropdownMenuExample() {
  const [isExpanded, setIsExpanded] = useState(false);
  return (
    <Host matchContents>
      <DropdownMenu expanded={isExpanded} onDismissRequest={() => setIsExpanded(false)}>
        <DropdownMenu.Trigger>
          <OutlinedButton onClick={() => setIsExpanded(true)}>Show Menu</OutlinedButton>
        </DropdownMenu.Trigger>
        <DropdownMenu.Items>
          <DropdownMenuItem
            onClick={() => {
              setIsExpanded(false);
              console.log('Home pressed');
            }}>
            <DropdownMenuItem.Text>
              <Text>Home</Text>
            </DropdownMenuItem.Text>
            <DropdownMenuItem.LeadingIcon>
              <Icon source={homeIcon} size={24} />
            </DropdownMenuItem.LeadingIcon>
          </DropdownMenuItem>
        </DropdownMenu.Items>
      </DropdownMenu>
    </Host>
  );
}

React Native components as trigger

You can use a React Native view (such as Pressable) as the dropdown's trigger by wrapping it in RNHostView.

RNTriggerDropdownMenuExample.tsx
import {
  Host,
  DropdownMenu,
  DropdownMenuItem,
  Text as ComposeText,
  RNHostView,
} from '@expo/ui/jetpack-compose';
import { useState } from 'react';
import { Pressable, Text } from 'react-native';

export default function RNTriggerDropdownMenuExample() {
  const [isExpanded, setIsExpanded] = useState(false);
  return (
    <Host matchContents>
      <DropdownMenu expanded={isExpanded} onDismissRequest={() => setIsExpanded(false)}>
        <DropdownMenu.Trigger>
          <RNHostView matchContents>
            <Pressable
              onPress={() => setIsExpanded(true)}
              style={{
                alignSelf: 'flex-start',
                paddingHorizontal: 16,
                paddingVertical: 10,
                borderRadius: 8,
                backgroundColor: '#9B59B6',
              }}>
              <Text style={{ color: 'white', fontWeight: '600' }}>RN Pressable Trigger</Text>
            </Pressable>
          </RNHostView>
        </DropdownMenu.Trigger>
        <DropdownMenu.Items>
          <DropdownMenuItem onClick={() => setIsExpanded(false)}>
            <DropdownMenuItem.Text>
              <ComposeText>Item 1</ComposeText>
            </DropdownMenuItem.Text>
          </DropdownMenuItem>
          <DropdownMenuItem onClick={() => setIsExpanded(false)}>
            <DropdownMenuItem.Text>
              <ComposeText>Item 2</ComposeText>
            </DropdownMenuItem.Text>
          </DropdownMenuItem>
        </DropdownMenu.Items>
      </DropdownMenu>
    </Host>
  );
}

API

import { DropdownMenu } from '@expo/ui/jetpack-compose';

No API data file found, sorry!