Reference version

BasicAlertDialog

用于显示自定义内容对话框的 Jetpack Compose BasicAlertDialog 组件。

Android
Included in Expo Go
Bundled version:
~56.0.6

For the complete documentation index, see llms.txt. Use this file to discover all available pages.

Expo UI BasicAlertDialog 与官方 Jetpack Compose BasicAlertDialog API 相匹配,并显示一个最小化的对话框,接受自定义子元素作为其内容,让你可以完全控制对话框布局。

带有自定义内容的 Material 3 基础警告对话框

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

带自定义内容的基础对话框

BasicAlertDialogExample.tsx
import { useState } from 'react'; import { Host, BasicAlertDialog, Button, TextButton, Text, Surface, Column, Spacer, } from '@expo/ui/jetpack-compose'; import { padding, wrapContentWidth, wrapContentHeight, clip, height, align, Shapes, } from '@expo/ui/jetpack-compose/modifiers'; export default function BasicAlertDialogExample() { const [visible, setVisible] = useState(false); return ( <Host matchContents> <Button onClick={() => setVisible(true)}> <Text>打开对话框</Text> </Button> {visible && ( <BasicAlertDialog onDismissRequest={() => setVisible(false)}> <Surface tonalElevation={6} modifiers={[wrapContentWidth(), wrapContentHeight(), clip(Shapes.RoundedCorner(28))]}> <Column modifiers={[padding(16, 16, 16, 16)]}> <Text> 此区域通常包含辅助文本,用于展示有关对话框用途的详细信息。 </Text> <Spacer modifiers={[height(24)]} /> <TextButton onClick={() => setVisible(false)} modifiers={[align('centerEnd')]}> <Text>确认</Text> </TextButton> </Column> </Surface> </BasicAlertDialog> )} </Host> ); }

API

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

Component

BasicAlertDialog

Android

Type: React.Element<BasicAlertDialogProps>

A basic alert dialog that provides a blank container for custom content. Unlike AlertDialog, this component does not have structured title/text/buttons slots.

BasicAlertDialogProps

children

Android
Optional • Type: React.ReactNode

The content to display inside the dialog.

modifiers

Android
Optional • Type: ModifierConfig[]

Modifiers for the component.

onDismissRequest

Android
Optional • Type: () => void

Callback that is called when the user tries to dismiss the dialog (e.g. by tapping outside of it or pressing the back button).

properties

Android
Optional • Type: DialogProperties

Properties for the dialog window.

Types

DialogProperties

Android

Properties for the dialog window, matching DialogProperties in Compose.

PropertyTypeDescription
decorFitsSystemWindows(optional)boolean

Whether the dialog's decor fits system windows (status bar, navigation bar, and more). When true, the dialog's content will be inset to avoid overlapping with system UI.

Default:true
dismissOnBackPress(optional)boolean

Whether the dialog can be dismissed by pressing the back button.

Default:true
dismissOnClickOutside(optional)boolean

Whether the dialog can be dismissed by clicking outside of it.

Default:true
usePlatformDefaultWidth(optional)boolean

Whether the dialog should use the platform default width.

Default:true