Themes Dark Light – Fyne GUI Golang tutorial 22

Fyne theme has 2 default themes? Dark & Light but you can customize to create your own.

Want to change Theme of your Fyne GUI app ?

This is very easy in Fyne.

You can easily create custom themes in Fyne.

But No need if there is already available.

 

How to change to dark theme in fyne ?

You can use  a.Settings().SetTheme(theme.DarkTheme()) to change to dark theme.

 

How to use light theme in fyne ?

You can use a.Settings().SetTheme(theme.LightTheme()) to change to Light theme.

 

package main

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

func main() {
	// New app
	a := app.New()
	// Theme change
	// a.Settings().SetTheme(theme.LightTheme())
	// Dark Theme
	a.Settings().SetTheme(theme.DarkTheme())
	// New Window
	w := a.NewWindow("Fyne Themes# Dark & Light")
	w.Resize(fyne.NewSize(400, 400))
	// New Widget
	label := widget.NewLabel("Fyne Themese")
	btn1 := widget.NewButton("light", func() {
		// light theme
		a.Settings().SetTheme(theme.LightTheme())
	})
	btn2 := widget.NewButton("dark", func() {
		// Dark theme
		a.Settings().SetTheme(theme.DarkTheme())
	})
	btn3 := widget.NewButton("Exit", func() {
		// Exit
		a.Quit()
	})
	w.SetContent(
		container.NewVBox(
			label,
			btn1,
			btn2,
			btn3,
		),
	)
	// Show and run
	w.ShowAndRun()
}

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Tony BB
 

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