How can I prevent backup for user data in flutter for iOS app?

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The data storage and privacy requirements for the mobile application security verification standard states that 'No sensitive data is included in backups generated by the mobile operating system.'

How do I make sure data is not backed up in my flutter app?

For Android I put 

    android:allowBackup="false"
    android:fullBackupContent="false"

In AndroidManifest.xml. How can I fix this for iOS?

Thanks!

flutter storage security ios
1 Answers

These folders are backed up to iCloud:

  • <AppHome>/Documents
  • <AppHome>/Library/Application Support
  • <AppHome>/Library/YourDir

iCloud Backup does not copy these temp folders but your data would need to be recreatable:

  • <AppHome>/Library/Caches
  • <AppHome>/tmp

Otherwise you will need to write some native code and use isExcludedFromBackupKey, see https://developer.apple.com/icloud/documentation/data-storage/

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