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Flutter Exnternal Store

This project based on how to store file/image in device external folder.

  • Permanently locate so that whenever the app is uninstalled that file will be saved. In Re - install previous save file can read
  • File ca save Andriod/data . It's temporary. The file will deleted with the app uninstalled

Overview

Flutter app leverages secure storage to save login data (encrypted) on device storage. Upon app launch, it checks for this data and auto-logins the user if found, enhancing user experience by skipping the login screen. Remember, security is paramount - encrypt data and manage keys properly.

  • First data list is converted into a single string
  • Store string as encrypted text
  • Save into the target storage path
  • Read the string from the path
  • Decrypt the string
  • Split it into lists as section
  • Use list item in your scope

Set Up

Initialize permission handler - AndroidMainfest.xml

  • uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
  • uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"

Take permission depend on version sdk,Reason: have version dependency

 if (Platform.isAndroid &&  deviceSdkVersion > 29) {
    status=await Permission.manageExternalStorage.request();
  } else {
   status= await Permission.storage.request();

Analysis permanently_store_externalStorage.dart

Note

Android don't allow store permanently in android/data