QR-Code Generator – Fyne Golang GUI Tutorial 64
QR-Code Generator – Fyne Golang GUI Tutorial 64
<div>
<div>package main</div>
<div>// import fyne</div>
<div>import (</div>
<div> "fmt"</div>
<div> "strconv"</div>
<div> "fyne.io/fyne/v2"</div>
<div> "fyne.io/fyne/v2/app"</div>
<div> "fyne.io/fyne/v2/container"</div>
<div> "fyne.io/fyne/v2/widget"</div>
<div> "github.com/skip2/go-qrcode"</div>
<div>)</div>
<div>func main() {</div>
<div> // new app</div>
<div> a := app.New()</div>
<div> // title & window</div>
<div> w := a.NewWindow("Qr code Generator")</div>
<div> // resize</div>
<div> w.Resize(fyne.NewSize(400, 400))</div>
<div> // qrcode generator</div>
<div> url := widget.NewEntry()</div>
<div> url.SetPlaceHolder("Enter url ...")</div>
<div> size := widget.NewEntry()</div>
<div> size.SetPlaceHolder("Enter file size i.e 256 ...")</div>
<div> size_1, _ := strconv.Atoi(size.Text)</div>
<div> file_name := widget.NewEntry()</div>
<div> file_name.SetPlaceHolder("Enter file name ...")</div>
<div> btn := widget.NewButton("Create", func() {</div>
<div> // we are going to use qrcode lib</div>
<div> // go get -u github.com/skip2/go-qrcode/</div>
<div> // install and use</div>
<div> // file content</div>
<div> // quality / resolution</div>
<div> // size of image 256x256</div>
<div> err1 := qrcode.WriteFile(</div>
<div> url.Text,</div>
<div> qrcode.Highest,</div>
<div> size_1,</div>
<div> fmt.Sprintf("%s.png", file_name.Text),</div>
<div> // sprintf will add add suffix .png</div>
<div> )</div>
<div> if err1 != nil {</div>
<div> fmt.Println(err1)</div>
<div> }</div>
<div> })</div>
<div> w.SetContent(container.NewVBox(</div>
<div> url,</div>
<div> size,</div>
<div> file_name,</div>
<div> btn,</div>
<div> ))</div>
<div> w.ShowAndRun()</div>
<div>}</div>
</div>
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