i need catch special keys (KEYCODE_BUTTON_L1,KEYCODE_BUTTON_R1 ..) on zebra handheld barcode scanner with delphi fmx (android) application.i use delphi 10.4.2 . but onkeydown not working. onkeyup return 0.
can someone help?
thanks.
capture keystrokes (special keys [KEYCODE_BUTTON_L1 ..] on zebra handheld barcode scanner with delphi fmx (android) application
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thanks all.
its :
procedure TForm1.FormKeyUp(Sender: TObject; var Key: Word; var KeyChar: Char; Shift: TShiftState); begin if TJKeyCharacterMap.JavaClass.deviceHasKey(AKEYCODE_BUTTON_L1) or TJKeyCharacterMap.JavaClass.deviceHasKey(AKEYCODE_BUTTON_R1) then begin barkodoku; end; end;