Outdated Code "Make Some Changes"

[Shahnoor-Mahesar]

• This code is outdated since it's published here, widgets names has been changed since then like FlatButton is now TextButton so is it's
  properties.

the versions of the file are outdated two the dart 3.0.5 doesn't support these files and cupertino icons version should also be updated.

thanks

[Surajjyoti632]

How did you managed to resolve the outdated code issues, most of the dependencies are not supported with the latest dart versions