FloatingActionButton

Jetpack Compose FloatingActionButton components following Material Design 3.

Android

Included in Expo Go

Recommended version:

~56.0.26

Expo UI provides four FloatingActionButton variants matching the Material Design 3 FloatingActionButton API:

SmallFloatingActionButton — a compact FAB
FloatingActionButton — the standard FAB (default size)
LargeFloatingActionButton — a larger FAB
ExtendedFloatingActionButton — a FAB with an icon and a text label, supporting animated expand/collapse

Each component uses slot-based children (.Icon and, for ExtendedFloatingActionButton, .Text) to compose content.

Note: If you need multiple action buttons in a floating toolbar, use HorizontalFloatingToolbar instead.

Small, regular, and large Material 3 floating action buttons

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

Standard FloatingActionButton

StandardFABExample.tsx

import { FloatingActionButton, Host, Icon } from '@expo/ui/jetpack-compose';

export default function StandardFABExample() {
  return (
    <Host matchContents>
      <FloatingActionButton onClick={() => console.log('FAB pressed')}>
        <FloatingActionButton.Icon>
          <Icon source={require('./assets/add.xml')} />
        </FloatingActionButton.Icon>
      </FloatingActionButton>
    </Host>
  );
}

FAB variants

FABVariantsExample.tsx

import {
  FloatingActionButton,
  Host,
  Icon,
  LargeFloatingActionButton,
  SmallFloatingActionButton,
} from '@expo/ui/jetpack-compose';
import { View } from 'react-native';

export default function FABVariantsExample() {
  return (
    <View style={{ flexDirection: 'row', gap: 16 }}>
      <Host matchContents>
        <SmallFloatingActionButton onClick={() => {}}>
          <SmallFloatingActionButton.Icon>
            <Icon source={require('./assets/add.xml')} />
          </SmallFloatingActionButton.Icon>
        </SmallFloatingActionButton>
      </Host>
      <Host matchContents>
        <FloatingActionButton onClick={() => {}}>
          <FloatingActionButton.Icon>
            <Icon source={require('./assets/add.xml')} />
          </FloatingActionButton.Icon>
        </FloatingActionButton>
      </Host>
      <Host matchContents>
        <LargeFloatingActionButton onClick={() => {}}>
          <LargeFloatingActionButton.Icon>
            <Icon source={require('./assets/add.xml')} />
          </LargeFloatingActionButton.Icon>
        </LargeFloatingActionButton>
      </Host>
    </View>
  );
}

ExtendedFloatingActionButton

ExtendedFABExample.tsx

import { ExtendedFloatingActionButton, Host, Icon, Text } from '@expo/ui/jetpack-compose';
import { useState } from 'react';

export default function ExtendedFABExample() {
  const [expanded, setExpanded] = useState(true);

  return (
    <Host matchContents>
      <ExtendedFloatingActionButton expanded={expanded} onClick={() => setExpanded(v => !v)}>
        <ExtendedFloatingActionButton.Icon>
          <Icon source={require('./assets/edit.xml')} />
        </ExtendedFloatingActionButton.Icon>
        <ExtendedFloatingActionButton.Text>
          <Text>Edit</Text>
        </ExtendedFloatingActionButton.Text>
      </ExtendedFloatingActionButton>
    </Host>
  );
}

Floating over content

Use a Compose Box with align('bottomEnd') to position the FAB over scrollable content entirely within the Compose layer.

FloatingFABExample.tsx

import {
  Box,
  FloatingActionButton,
  Host,
  Icon,
  LazyColumn,
  ListItem,
} from '@expo/ui/jetpack-compose';
import { align, fillMaxSize, fillMaxWidth, offset } from '@expo/ui/jetpack-compose/modifiers';

export default function FloatingFABExample() {
  return (
    <Host style={{ flex: 1 }}>
      <Box modifiers={[fillMaxSize()]}>
        <LazyColumn modifiers={[fillMaxSize()]}>{/* ...list items... */}</LazyColumn>

        <FloatingActionButton
          modifiers={[align('bottomEnd'), offset(-16, -16)]}
          onClick={() => console.log('pressed')}>
          <FloatingActionButton.Icon>
            <Icon source={require('./assets/add.xml')} />
          </FloatingActionButton.Icon>
        </FloatingActionButton>
      </Box>
    </Host>
  );
}

Custom color

FABCustomColorExample.tsx

import { ExtendedFloatingActionButton, Host, Icon, Text } from '@expo/ui/jetpack-compose';

export default function FABCustomColorExample() {
  return (
    <Host matchContents>
      <ExtendedFloatingActionButton containerColor="#E8DEF8" onClick={() => console.log('pressed')}>
        <ExtendedFloatingActionButton.Icon>
          <Icon source={require('./assets/add.xml')} />
        </ExtendedFloatingActionButton.Icon>
        <ExtendedFloatingActionButton.Text>
          <Text>New item</Text>
        </ExtendedFloatingActionButton.Text>
      </ExtendedFloatingActionButton>
    </Host>
  );
}

API

import {
  SmallFloatingActionButton,
  FloatingActionButton,
  LargeFloatingActionButton,
  ExtendedFloatingActionButton,
} from '@expo/ui/jetpack-compose';

No API data file found, sorry!