Radio Button

A Radio Button in Fyne allows users to select exactly one option from a group. It’s useful when you want mutually exclusive choices.

Radio Group

Show Code

package main

import (
  "fmt"

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

func main() {
  myApp := app.New()
  myWindow := myApp.NewWindow("Radio Group Example")

  // Label to display selected option
  label := widget.NewLabel("No option selected")

  // Create a radio group
  radio := widget.NewRadioGroup(
    []string{"Option A", "Option B", "Option C"},
    func(selected string) {
      if selected == "" {
        label.SetText("No option selected")
      } else {
        label.SetText(fmt.Sprintf("Selected: %s", selected))
      }
    },
  )

  // Pre-select an option
  radio.SetSelected("Option B")

  // Layout
  content := container.NewVBox(
    label,
    radio,
  )

  myWindow.SetContent(content)
  myWindow.Resize(fyne.NewSize(300, 200))
  myWindow.ShowAndRun()
}