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Installing Go Using Fyne.io GUI on Arch Linux

Installing Go

Update the system:

sudo pacman -Syu

Install Go:

sudo pacman -S go

Check the Go version:

go version

You should see output like: go version go1.24.3 linux/amd64 (your version may vary).

Configure your shell environment:

Edit .bashrc:

nano ~/.bashrc

Add the following lines at the end of the file:

export GOROOT=/usr/lib/go
export GOPATH=$HOME/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

Reload the shell:

source ~/.bashrc

Restart the terminal.

Install Fyne.io

Create a new project directory:

mkdir fyne-hello
cd fyne-hello
go mod init fyne-hello

Install the Fyne module:

go get fyne.io/fyne/v2@latest

Create main.go:

nano main.go

Paste the following code into main.go:

package main

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

func main() {
	a := app.New()
	w := a.NewWindow("Hello")

	hello := widget.NewLabel("Hello Fyne!")
	w.SetContent(container.NewVBox(
		hello,
		widget.NewButton("Hi!", func() {
			hello.SetText("Welcome :)")
		}),
	))
    w.Resize(fyne.NewSize(600, 300))
	w.ShowAndRun()
}

Download and tidy dependencies:

go mod tidy

Run the app:

go run main.go

The first run may take a few minutes.