Expo 复选框
一个提供基本复选框功能的通用 React 组件。
Android
iOS
Web
Included in Expo Go
For the complete documentation index, see llms.txt. Use this Use this file to discover all available pages.
expo-checkbox 为所有平台提供了一个基础的 boolean 输入元素。
安装
Terminal
- npx expo install expo-checkbox用法
基本 Checkbox 用法
import Checkbox from 'expo-checkbox'; import { useState } from 'react'; import { StyleSheet, Text, View } from 'react-native'; export default function App() { const [isChecked, setChecked] = useState(false); return ( <View style={styles.container}> <View style={styles.section}> <Checkbox style={styles.checkbox} value={isChecked} onValueChange={setChecked} /> <Text style={styles.paragraph}>普通复选框</Text> </View> <View style={styles.section}> <Checkbox style={styles.checkbox} value={isChecked} onValueChange={setChecked} color={isChecked ? '#4630EB' : undefined} /> <Text style={styles.paragraph}>自定义颜色的复选框</Text> </View> <View style={styles.section}> <Checkbox style={styles.checkbox} disabled value={isChecked} onValueChange={setChecked} /> <Text style={styles.paragraph}>禁用的复选框</Text> </View> </View> ); } const styles = StyleSheet.create({ container: { flex: 1, marginHorizontal: 16, marginVertical: 32, }, section: { flexDirection: 'row', alignItems: 'center', }, paragraph: { fontSize: 15, }, checkbox: { margin: 8, }, });
API
import Checkbox from 'expo-checkbox';
Component
Type: React.Element<CheckboxProps>
Optional • Type:
ColorValueThe tint or color of the checkbox. This overrides the disabled opaque style.
Optional • Type:
booleanIf the checkbox is disabled, it becomes opaque and uncheckable.
Optional • Type:
(event: NativeSyntheticEvent<CheckboxEvent> | SyntheticEvent<HTMLInputElement, CheckboxEvent>) => voidCallback that is invoked when the user presses the checkbox.
event: NativeSyntheticEvent<CheckboxEvent> | SyntheticEvent<HTMLInputElement, CheckboxEvent>A native event containing the checkbox change.
Optional • Type:
(value: boolean) => voidCallback that is invoked when the user presses the checkbox.
value: booleanA boolean indicating the new checked state of the checkbox.
Optional • Type:
boolean • Default: falseValue indicating if the checkbox should be rendered as checked or not.