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Specifying the LSMinimumSystemVersion in an Expo app ensures your application runs on the required iOS versions. This guide provides a step-by-step process to define this configuration.
Why Specify LSMinimumSystemVersion?
- Ensure Compatibility: Restrict app usage to supported iOS versions.
- Improve User Experience: Avoid crashes or issues on unsupported systems.
- Maintain Standards: Comply with Apple’s requirements for app distribution.
Steps to Specify LSMinimumSystemVersion
- Open the app.json or app.config.js File:
- Navigate to your project directory.
- Open the app.json or app.config.js file, depending on your project setup.
- Locate the iOS Configuration Section:
- In app.json, find or add the expo.ios section.
Example:
{
“expo”: {
“ios”: {
“infoPlist”: {}
}
}
}
- Add the LSMinimumSystemVersion Key:
Within the infoPlist object, specify the minimum system version:
{
“expo”: {
“ios”: {
“infoPlist”: {
“LSMinimumSystemVersion”: “14.0”
}
}
}
}
- Save Changes:
- Save the app.json or app.config.js file to apply the configuration.
- Test the Configuration:
- Run the app using expo start to ensure the settings are correctly applied.
- Build the app for iOS using expo build:ios and verify behavior on devices with different iOS versions.
- Rebuild the App:
For the changes to take effect, rebuild the app:
expo build:ios
Tips for Effective Configuration
- Specify Supported Versions Only: Set a minimum version that aligns with your app’s features and dependencies.
- Test on Multiple Devices: Verify performance on various iOS versions to ensure compatibility.
- Document Changes: Keep a record of version updates for future reference.
Troubleshooting Common Issues
- App Not Launching on Older iOS Versions:
- Verify that the LSMinimumSystemVersion value matches the intended minimum version.
- Build Errors:
- Check for typos or incorrect syntax in the configuration file.
- Changes Not Reflecting:
- Ensure you rebuild the app after modifying app.json or app.config.js.
Also Read: How To Skip Y On Apt –upgradeble
Conclusion
Specifying the LSMinimumSystemVersion in an Expo app is crucial for ensuring compatibility and maintaining a seamless user experience. By following these steps, you can define the minimum iOS version for your application.
