Correct:
Not Correct (No quotes):
Not Correct does not throw an error but it also doesn't work correctly. It KINDA works.
Took me awhile to sort it out.
B4X:
IME.SetCustomFilter(ValueTxt, ValueTxt.INPUT_TYPE_NUMBERS, "1234567890.")
B4X:
IME.SetCustomFilter(ValueTxt, ValueTxt.INPUT_TYPE_NUMBERS, 1234567890.)
Took me awhile to sort it out.