In case a creation/modification process is long, the validating button should be disabled (with a spinner inviting the user to wait), and a snack bar might say when the process is finished.
Without that, if the process is long, the user will trigger the creation/modification process twice (thinking "it didn't work !").
In case a creation/modification process is long, the validating button should be disabled (with a spinner inviting the user to wait), and a snack bar might say when the process is finished.
Without that, if the process is long, the user will trigger the creation/modification process twice (thinking "it didn't work !").