go__fyne_demos/t01_hello/hello.go

package main

import (
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/widget"
)

func main() {
	app := app.New()

	w := app.NewWindow("Hello")
	w.SetContent(widget.NewLabel("Hello Fyne!"))

	w.ShowAndRun()
}