MaskedEditText | formatting card number / date / cvc during entering text | Ecommerce library

I am developing an open source text masker. You can click here to see source code.

My problem is that, when I wrap my custom edit text with TextInputLayout, onTextChanged is being triggered twice only for first letter. Then it works as expected.

This "twice call" breaks my logic. Do you guys have any idea what might be the problem? Since it is being used by other developers, I don't want to fix it with hacky solution. I need to find out the problem.

I set text manually after removing text watcher, then I add text watcher again.

Here is my main logic;

This method is being called only once;