I'm using Visual Studio Code how to remove this blue lines

CodePudding user response：

Press command shift p (open command pallete)
Then type Disable Error Squiggles.
And click on that Disable Error Squiggles.

CodePudding user response：

Rename Your file name to the login_page.dart.

This blue line shows the warning to us because of linter. There is a rule defined in the package that the file name must be lower_camel_case. This is because linter defines the bet practices.