Latest react-native app doesn't work ":CFBundleIdentifier", Does Not Exist
Problem
On OS X El Capitan v10.11.4 node --version v6.0.0 npm --v 3.8.8 react-native-cli: 0.2.0 react-native: 0.24.1 watchman --v 4.4.0 xcode 7.3 $ react-native init AwesomeProject $ cd AwesomeProject $ react-native run-ios [code block]
Error Output
error was encountered processing the command (domain=NSPOSIXErrorDomain, code=2):
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1 Fix
Fix CFBundleIdentifier Error in React Native iOS Build
The error ':CFBundleIdentifier' does not exist typically occurs when the Xcode project configuration is missing the Bundle Identifier or when the project settings are not properly set up. This can happen if the project was not initialized correctly or if the Xcode version is incompatible with the React Native version being used.
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- 1
Check and Set Bundle Identifier
Open the Xcode project by navigating to the ios directory of your React Native project and double-clicking on the AwesomeProject.xcodeproj file. In the Xcode project settings, under the 'General' tab, make sure that the 'Bundle Identifier' field is filled in with a unique identifier (e.g., com.yourname.AwesomeProject).
- 2
Update React Native CLI
Ensure you are using the latest version of the React Native CLI. Run the following command to update it globally: `npm install -g react-native-cli`.
bashnpm install -g react-native-cli - 3
Clean Build Folder
In Xcode, go to the 'Product' menu and select 'Clean Build Folder' (or press Shift + Command + K). This will remove any cached build data that might be causing issues.
- 4
Re-run the iOS Build
After setting the Bundle Identifier and cleaning the build folder, return to your terminal and run the iOS build command again: `react-native run-ios`.
bashreact-native run-ios - 5
Verify Xcode Compatibility
Ensure that your Xcode version (7.3) is compatible with the React Native version (0.24.1). If necessary, consider upgrading Xcode to a newer version that supports the latest React Native features.
Validation
To confirm the fix worked, run the command `react-native run-ios` again. If the app builds successfully and launches in the iOS simulator without errors, the issue is resolved.
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Environment
Submitted by
Alex Chen
2450 rep