Incorrect `flexGrow` behavior inside `<ScrollView contentContainerStyle={{ flexGrow: 1 }}>`
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Component: ScrollView
Issue: Author Provided Repro
Needs: Triage :mag:
Newer Patch Available
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描述
Description
Android (incorrect):
Note different heights.
Web (correct):
React Native Version
0.72.5
Output of npx react-native info
> npx react-native info
info Fetching system and libraries information...
System:
OS: Windows 10 10.0.22621
CPU: "(12) x64 AMD Ryzen 5 5600 6-Core Processor "
Memory: 18.43 GB / 31.91 GB
Binaries:
Node:
version: 20.2.0
path: C:\Program Files\nodejs\node.EXE
Yarn: Not Found
npm:
version: 9.7.2
path: C:\Program Files\nodejs\npm.CMD
Watchman: Not Found
SDKs:
Android SDK: Not Found
Windows SDK: Not Found
IDEs:
Android Studio: Not Found
Visual Studio:
- 17.5.33424.131 (Visual Studio Community 2022)
Languages:
Java:
version: 11.0.20.1
path: C:\Program Files\Eclipse Adoptium\jdk-11.0.20.101-hotspot\bin\javac.EXE
Ruby: Not Found
npmPackages:
"@react-native-community/cli": Not Found
react:
installed: 18.2.0
wanted: 18.2.0
react-native:
installed: 0.72.5
wanted: 0.72.5
react-native-windows: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: Not found
newArchEnabled: Not found
Steps to reproduce
import { Text, View, ScrollView } from 'react-native';
export default function App() {
return (
<>
<View style={{ position: 'absolute', left: 20, height: 150 }}>
<View style={{ flexGrow: 1 }}>
<View style={{ width: 300, flexGrow: 1 }}>
{[['foo', 'bar'],['baz','A very long but very very long sentence']].map((row, index) => (
<View style={{ flexDirection: 'row', backgroundColor: index === 0 ? 'red' : 'blue', flexBasis: 0, flexGrow: 1 }} key={index}>
{row.map((answer) => (
<Text key={answer} style={{ flexBasis: 0, fontSize: 16, flexGrow: 1 }}>{answer}</Text>
))}
</View>
))}
</View>
</View>
</View>
<View style={{ height: 150 }}>
<ScrollView contentContainerStyle={{ flexGrow: 1 }}>
<View style={{ width: 300, flexGrow: 1 }}>
{[['foo', 'bar'],['baz','A very long but very very long sentence']].map((row, index) => (
<View style={{ flexDirection: 'row', backgroundColor: index === 0 ? 'purple' : 'orange', flexBasis: 0, flexGrow: 1 }} key={index}>
{row.map((answer) => (
<Text key={answer} style={{ flexBasis: 0, fontSize: 16, flexGrow: 1 }}>{answer}</Text>
))}
</View>
))}
</View>
</ScrollView>
</View>
</>
);
}
Use an Android device.
Snack, screenshot, or link to a repository
贡献指南
从这里开始
- 先读完整个 Issue,再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库,在一个分支上完成修改。
- 提交 Pull Request,并在描述里引用这个 Issue 编号。
调研方向
先在 Android 设备上运行链接的 Expo Snack 和提供的复现,比较其 flexGrow 布局与报告中显示的 Web 结果。追踪其中涉及的 ScrollView 和 contentContainerStyle 行为;完成的标准是 Android 布局能够以与预期结果一致的方式处理 flexGrow,并且复现不再显示不同的高度。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- android, react-native
- 领域
- mobile
- Issue 类型
- 缺陷
- 难度
- 3/5
- 预计耗时
- 1-2 天
- 活跃度
- 停滞
- 描述清晰度
- 基本清楚
- 新手友好度
- 35/100