File Handling Write Files – Fyne GUI Golang tutorial 46
File Handling Write Files – Fyne GUI Golang tutorial 46
Source Code #
package main
// import fyne
import (
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/app"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
)
func main() {
// New app
a := app.New()
w := a.NewWindow("Save files...")
// file handling tutorial
// Resize
w.Resize(fyne.NewSize(400, 400))
// Entry to enter text
entry := widget.NewMultiLineEntry()
// btn to save text
btn := widget.NewButton("Save .txt file", func() {
// dialog
// 2 arguments
// one function
// 2nd parent window
fileDialog := dialog.NewFileSave(
// data of entry
// []byte() function is used to convert
// string to bytes slice
func(uc fyne.URIWriteCloser, _ error) {
data := []byte(entry.Text)
//_ to ignore error
// Lets write data
uc.Write(data)
}, w) // w is parent window
// File name(temporary)
fileDialog.SetFileName("anyFileName.txt")
// Show and setup
fileDialog.Show()
})
// show our two widgets on screen
w.SetContent(
container.NewVBox(
entry,
btn,
),
)
w.ShowAndRun()
}
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