分段按钮

用于单选或多选的 Jetpack Compose 分段按钮组件。

Android

GitHub

npm

更新日志

Bundled version:

~55.0.0-beta.0

分段按钮允许应用用户从一组并排显示在一行中的少量选项中进行选择。它们对应官方 Jetpack Compose Segmented Button API。

有两种容器类型：

SingleChoiceSegmentedButtonRow：一次只能选中一个按钮（类似单选按钮）。
MultiChoiceSegmentedButtonRow：多个按钮可以独立切换（类似复选框）。

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

单选分段按钮

当一次只能激活一个选项时，使用 SingleChoiceSegmentedButtonRow。每个 SegmentedButton 接受 selected 和 onClick 属性。

SingleChoiceExample.tsx

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

export default function SingleChoiceExample() {
  const [selectedIndex, setSelectedIndex] = useState(0);
  const options = ['Day', 'Week', 'Month', 'Year'];

  return (
    <Host matchContents>
      <SingleChoiceSegmentedButtonRow>
        {options.map((label, index) => (
          <SegmentedButton
            key={label}
            selected={index === selectedIndex}
            onClick={() => setSelectedIndex(index)}>
            <SegmentedButton.Label>
              <Text>{label}</Text>
            </SegmentedButton.Label>
          </SegmentedButton>
        ))}
      </SingleChoiceSegmentedButtonRow>
    </Host>
  );
}

多选分段按钮

当多个选项可以独立切换时，使用 MultiChoiceSegmentedButtonRow。每个 SegmentedButton 接受 checked 和 onCheckedChange 属性。

MultiChoiceExample.tsx

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

export default function MultiChoiceExample() {
  const [checkedItems, setCheckedItems] = useState([false, false, false, false]);
  const options = ['Wi-Fi', 'Bluetooth', 'NFC', 'GPS'];

  return (
    <Host matchContents>
      <MultiChoiceSegmentedButtonRow>
        {options.map((label, index) => (
          <SegmentedButton
            key={label}
            checked={checkedItems[index]}
            onCheckedChange={checked => {
              setCheckedItems(prev => {
                const next = [...prev];
                next[index] = checked;
                return next;
              });
            }}>
            <SegmentedButton.Label>
              <Text>{label}</Text>
            </SegmentedButton.Label>
          </SegmentedButton>
        ))}
      </MultiChoiceSegmentedButtonRow>
    </Host>
  );
}

自定义颜色

使用 SegmentedButton 上的 colors 属性来自定义其在激活、未激活和禁用状态下的外观。

CustomColorsExample.tsx

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

export default function CustomColorsExample() {
  const [selectedIndex, setSelectedIndex] = useState(0);
  const options = ['$', '$$', '$$$', '$$$$'];

  return (
    <Host matchContents>
      <SingleChoiceSegmentedButtonRow>
        {options.map((label, index) => (
          <SegmentedButton
            key={label}
            selected={index === selectedIndex}
            onClick={() => setSelectedIndex(index)}
            colors={{
              activeContainerColor: '#6200EE',
              activeContentColor: '#FFFFFF',
            }}>
            <SegmentedButton.Label>
              <Text>{label}</Text>
            </SegmentedButton.Label>
          </SegmentedButton>
        ))}
      </SingleChoiceSegmentedButtonRow>
    </Host>
  );
}

API

import {
  SingleChoiceSegmentedButtonRow,
  MultiChoiceSegmentedButtonRow,
  SegmentedButton,
} from '@expo/ui/jetpack-compose';

Components

`MultiChoiceSegmentedButtonRow`

Android

Type: React.Element<MultiChoiceSegmentedButtonRowProps>

A row container for multi-choice SegmentedButton children. Maps to Material 3 MultiChoiceSegmentedButtonRow.

MultiChoiceSegmentedButtonRowProps

`children`

Android

Type: React.ReactNode

SegmentedButton children.

`modifiers`

Android

Optional • Type: ModifierConfig[]

Modifiers for the component.

`SegmentedButton`

Android

Type: React.Element<SegmentedButtonProps>

A Material 3 segmented button. Must be used inside a SingleChoiceSegmentedButtonRow or MultiChoiceSegmentedButtonRow.

SegmentedButtonProps

`checked`

Android

Optional • Type: boolean

Whether the button is currently checked (used inside MultiChoiceSegmentedButtonRow).

`children`

Android

Optional • Type: React.ReactNode

Children containing a Label slot.

`colors`

Android

Optional • Type: SegmentedButtonColors

Colors for the button in different states.

`enabled`

Android

Optional • Type: boolean • Default: true

Whether the button is enabled.

`modifiers`

Android

Optional • Type: ModifierConfig[]

Modifiers for the component.

`onCheckedChange`

Android

Optional • Type: (checked: boolean) => void

Callback that is called when the checked state changes (used inside MultiChoiceSegmentedButtonRow).

`onClick`

Android

Optional • Type: () => void

Callback that is called when the button is clicked (used inside SingleChoiceSegmentedButtonRow).

`selected`

Android

Optional • Type: boolean

Whether the button is currently selected (used inside SingleChoiceSegmentedButtonRow).

`SingleChoiceSegmentedButtonRow`

Android

Type: React.Element<SingleChoiceSegmentedButtonRowProps>

A row container for single-choice SegmentedButton children. Maps to Material 3 SingleChoiceSegmentedButtonRow.

SingleChoiceSegmentedButtonRowProps

`children`

Android

Type: React.ReactNode

SegmentedButton children.

`modifiers`

Android

Optional • Type: ModifierConfig[]

Modifiers for the component.

Types

`SegmentedButtonColors`

Android

Colors for the segmented button in different states.

Property	Type	Description
activeBorderColor(optional)	`ColorValue`	-
activeContainerColor(optional)	`ColorValue`	-
activeContentColor(optional)	`ColorValue`	-
disabledActiveBorderColor(optional)	`ColorValue`	-
disabledActiveContainerColor(optional)	`ColorValue`	-
disabledActiveContentColor(optional)	`ColorValue`	-
disabledInactiveBorderColor(optional)	`ColorValue`	-
disabledInactiveContainerColor(optional)	`ColorValue`	-
disabledInactiveContentColor(optional)	`ColorValue`	-
inactiveBorderColor(optional)	`ColorValue`	-
inactiveContainerColor(optional)	`ColorValue`	-
inactiveContentColor(optional)	`ColorValue`	-