Select the Flutter: New Project command and press Enter.

Select Application and press Enter.

Select a Project location.

Enter your desired Project name.

Opening a project from existing source code

To open an existing Flutter project:

Click File > Open from the main IDE window.

Browse to the directory holding your existing
Flutter source code files.

Click Open.

Editing code and viewing issues

The Flutter extension performs code analysis that
enables the following:

Syntax highlighting

Code completions based on rich type analysis

Navigating to type declarations
(Go to Definition or F12),
and finding type usages
(Find All References or Shift+F12)