I use the following code:
and I don't know how I can capture the Click on the back icon event. Thank you!
B4X:
Dim bd As BitmapDrawable
bd.Initialize(LoadBitmap(File.DirAssets, "stop.png"))
bar.NavigationIconDrawable = bd
ToolbarHelper.Initialize
ToolbarHelper.ShowUpIndicator = True
bar.InitMenuListener