do work in tmp directory

This way android send/receive is more likely to succeed.

about.go

@@ -26,7 +26,7 @@ func aboutTabItem() *container.TabItem {
 	aboutInfo.Wrapping = fyne.TextWrapWord
 	return container.NewTabItemWithIcon("About", theme.InfoIcon(), container.NewBorder(nil,
 		widget.NewForm(
-			widget.NewFormItem("croc GUI", widget.NewHyperlink("v1.0.0", parseURL("https://github.com/howeyc/crocgui"))),
+			widget.NewFormItem("croc GUI", widget.NewHyperlink("v1.3.0", parseURL("https://github.com/howeyc/crocgui"))),
 			widget.NewFormItem("croc", widget.NewHyperlink("v8.6.7", parseURL("https://github.com/schollz/croc"))),
 		),
 		nil,

main.go

@@ -13,6 +13,8 @@ import (
 //go:embed metadata/en-US/images/featureGraphic.png
 var textlogobytes []byte
 
+var DEFAULT_DOWNLOAD_DIR string
+
 func main() {
 	a := app.NewWithID("com.github.howeyc.crocgui")
 	w := a.NewWindow("croc")

platforms-all.go

@@ -2,7 +2,14 @@
 
 package main
 
-const DEFAULT_DOWNLOAD_DIR = "."
+import "os"
+
+func init() {
+	wd, werr := os.Getwd()
+	if werr == nil {
+		DEFAULT_DOWNLOAD_DIR = wd
+	}
+}
 
 func fixpath(fpath string) string {
 	return fpath

platforms_android.go

@@ -5,7 +5,10 @@ import (
 	"strings"
 )
 
-const DEFAULT_DOWNLOAD_DIR = "/storage/emulated/0/Download"
+func init() {
+	// TODO: android probably has a way to find this
+	DEFAULT_DOWNLOAD_DIR = "/storage/emulated/0/Download"
+}
 
 func fixpath(fpath string) string {
 	if strings.Contains(fpath, "%3A") {

recv.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"fmt"
+	"io"
+	"io/fs"
 	"log"
 	"os"
 	"path/filepath"
@@ -24,6 +26,8 @@ func recvTabItem(a fyne.App) *container.TabItem {
 		}
 	}()
 
+	recvDir, _ := os.MkdirTemp("", "crocgui-recv")
+
 	prog := widget.NewProgressBar()
 	prog.Hide()
 	recvEntry := widget.NewEntry()
@@ -73,9 +77,9 @@ func recvTabItem(a fyne.App) *container.TabItem {
 						}
 					}
 				}()
-				cderr := os.Chdir(DEFAULT_DOWNLOAD_DIR)
+				cderr := os.Chdir(recvDir)
 				if cderr != nil {
-					log.Println("Unable to change to download dir")
+					log.Println("Unable to change to dir:", recvDir, cderr)
 				}
 				status.SetText("")
 				rerr := receiver.Receive()
@@ -101,6 +105,29 @@ func recvTabItem(a fyne.App) *container.TabItem {
 						plural = "s"
 					}
 					status.Text = fmt.Sprintf("Received file%s %s", plural, strings.Join(filesReceived, ","))
+					filepath.Walk(recvDir, func(path string, info fs.FileInfo, err error) error {
+						if err != nil {
+							return err
+						}
+						if !info.IsDir() {
+							newpath := filepath.Join(DEFAULT_DOWNLOAD_DIR, filepath.Base(path))
+							ofile, oerr := os.Create(newpath)
+							if oerr != nil {
+								status.SetText(oerr.Error())
+								return oerr
+							}
+							ifile, ierr := os.Open(path)
+							if ierr != nil {
+								status.SetText(ierr.Error())
+								return ierr
+							}
+							io.Copy(ofile, ifile)
+							ifile.Close()
+							ofile.Close()
+							os.Remove(path)
+						}
+						return nil
+					})
 				}
 			}),
 			prog,

send.go

@@ -37,7 +37,7 @@ func sendTabItem(a fyne.App, w fyne.Window) *container.TabItem {
 	})
 	copyCodeButton.Hide()
 
-	sendDir, _ := os.MkdirTemp("", "crocgui")
+	sendDir, _ := os.MkdirTemp("", "crocgui-send")
 
 	boxholder := container.NewVBox()
 	fileentries := make(map[string]*fyne.Container)
@@ -82,6 +82,11 @@ func sendTabItem(a fyne.App, w fyne.Window) *container.TabItem {
 			container.NewHBox(topline, layout.NewSpacer(), addFileButton),
 			boxholder,
 			widget.NewButtonWithIcon("Send", theme.MailSendIcon(), func() {
+				// Only send if files selected
+				if len(fileentries) < 1 {
+					return
+				}
+
 				addFileButton.Hide()
 				randomName := utils.GetRandomName()
 				sender, err := croc.New(croc.Options{