<How to show the output after user input editText?...

# stackoverflow

[user]

How to show the output after user input editText?
I want to show output when user input something in the edit text.
This is the code snippet
submit.setOnClickListener {
Toast.makeText(requireActivity(), "$username", Toast.LENGTH_LONG).show()
}

When I run it, it will appear as this image

screenshot▾

But when I change the "text:" into username and declaring
var username = binding.text

I will get this error

None of the following functions can be...