Use AddTwoLinesAndBitmap2 - it accepts a 4h parameter, ReturnValue:
B4X:
Dim arrItemText(2) as String
arrItemText(0) = Main.cclienti.GetString("ID")
arrItemText(1) = Main.cclienti.GetString("ragionesociale")
ListView1.AddTwoLinesAndBitmap2(arrItemText(0), arrItemText(1), LoadBitmap(File.DirAssets,"Client-icon.png"), arrItemText)
' then, to get...
Dim arrResultText(2) as String
arrResultText = ListView1.GetItem(AnIndex)