When the system font size changes, the text sizes in the application are not updated
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Description
Description
Please watch the video to understand the issue better.
import { View, Text, StatusBar } from "react-native";
export default function App() {
return (
<View style={{ flex: 1, justifyContent: "center", alignItems: "center" }}>
<StatusBar animated={true} translucent={true} barStyle={"dark-content"} backgroundColor={"transparent"} />
<Text style={{ fontSize: 14 }}>Hesap Defterim</Text>
</View>
);
}
https://github.com/user-attachments/assets/4254a949-f596-4e64-bf43-58f51fd3842c
Steps to reproduce
npx @react-native-community/cli@latest init TestProject --package-name com.test.project
npx react-native run-android
React Native Version
0.81.4
Affected Platforms
Runtime - Android
Output of npx @react-native-community/cli info
System:
OS: Windows 11 10.0.26200
CPU: "(24) x64 AMD Ryzen 9 7900X 12-Core Processor "
Memory: 12.94 GB / 31.60 GB
Binaries:
Node:
version: 24.9.0
path: C:\Program Files\nodejs\node.EXE
Yarn: Not Found
npm:
version: 11.6.0
path: C:\Program Files\nodejs\npm.CMD
Watchman: Not Found
SDKs:
Android SDK:
API Levels:
- "36"
Build Tools:
- 35.0.0
- 36.0.0
- 36.1.0
System Images:
- android-36.1 | Google Play Intel x86_64 Atom
Android NDK: Not Found
Windows SDK: Not Found
IDEs:
Android Studio: AI-251.26094.121.2513.14007798
Visual Studio: Not Found
Languages:
Java: 17.0.16
Ruby: Not Found
npmPackages:
"@react-native-community/cli":
installed: 20.0.0
wanted: 20.0.0
react:
installed: 19.1.0
wanted: 19.1.0
react-native:
installed: 0.81.4
wanted: 0.81.4
react-native-windows: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: Not found
newArchEnabled: Not found
Stacktrace or Logs
N/A
MANDATORY Reproducer
N/A
Screenshots and Videos
https://github.com/user-attachments/assets/4ca8e5d4-6564-41ea-aae8-4c76d6de93e3
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the minimal App component shown in the issue and reproduce it using the provided React Native CLI commands on Android. Change the system font size while the app is running and compare the Text rendering; done means the displayed text size updates to match the system setting.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- android, react-native, typescript
- Domain
- mobile
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100