react / react/react-native

Inconsistency in View Alignment within Text Component on Android/iOS Platforms

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Issue: Author Provided Repro Needs: Triage :mag: Newer Patch Available Platform: Android Platform: iOS
Dominant language
C++
Stars
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Forks
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Avg merge
1d 23h
Merged PRs (30d)
4

Description

Description

When wrapping View children in a Text component, the views are displayed inline with the text on web platforms. However, on Android and iOS platforms, adjusting the line height of the parent Text component causes the View children to no longer be inline with the text.

Steps to reproduce
  1. Create a parent Text component.
  2. Wrap View children within the Text component.
  3. Note how the views are inline with the text on web platforms.
  4. Adjust the line height of the parent Text component.
  5. Observe that the views are no longer inline with the text on Android and iOS platforms.

export default function App() {
  return (
    <SafeAreaView style={styles.container}>
      <Text style={styles.text} >
      Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
      eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
      voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet
      clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit
      amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr
      <View
        style={{
          borderRadius: 40,
          height: 50,
          paddingHorizontal: 32,
          backgroundColor: 'yellow'
        }}
      >
        <Text>Button Text</Text>
      </View>
    </Text>
    </SafeAreaView>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    backgroundColor: '#ecf0f1',
    padding: 8,
  },
 text: {
    fontSize: 17,
    lineHeight: 29
  },
});
React Native Version

0.72.4

Affected Platforms

Runtime - Android, Runtime - iOS

Output of npx react-native info
System:
  OS: macOS 14.3.1
  CPU: (10) arm64 Apple M1 Pro
  Memory: 32.88 MB / 32.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 21.6.1
    path: /opt/homebrew/bin/node
  Yarn:
    version: 4.0.2
    path: /opt/homebrew/bin/yarn
  npm:
    version: 9.9.2
    path: ~/Documents/dev/finanztip/app-components/node_modules/.bin/npm
  Watchman:
    version: 2024.01.22.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.15.2
    path: /opt/homebrew/bin/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 23.2
      - iOS 17.2
      - macOS 14.2
      - tvOS 17.2
      - visionOS 1.0
      - watchOS 10.2
  Android SDK: Not Found
IDEs:
  Android Studio: 2023.1 AI-231.9392.1.2311.11076708
  Xcode:
    version: 15.2/15C500b
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 11.0.17
    path: /usr/bin/javac
  Ruby:
    version: 2.6.10
    path: /usr/bin/ruby
npmPackages:
  "@react-native-community/cli": Not Found
  react:
    installed: 18.2.0
    wanted: 18.2.0
  react-native:
    installed: 0.72.4
    wanted: 0.72.4
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: false
iOS:
  hermesEnabled: true
  newArchEnabled: false
Stacktrace or Logs
none
Reproducer

https://snack.expo.dev/CABd_oOlH8QkEUCdWhRkL

Screenshots and Videos

Screenshot_1708334374
Simulator Screenshot - iPhone 15 - 2024-02-19 at 10 18 37

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked Expo Snack reproducer and compare the Text and View layout with the specified lineHeight on Android, iOS, and web. Confirm the platform-specific alignment difference and identify the relevant native text-layout entry points before changing behavior; done means the wrapped View remains inline consistently across the affected platforms.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, ios, react-native
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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