Android Use Done button on Keyboard to click button

Question

Ok in my app I have a field for the user to input a number. I have the field set to only accept numbers. When the user clicks on the field it brings up the keyboard. On the

Answer 1

I copied the following code from AndroidStudio when you create a LoginActivity. I use the ime attributes

In your layout

In your Activity

editTextUnidades.setOnEditorActionListener(new TextView.OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
            if (actionId == R.id.cantidad || actionId == EditorInfo.IME_NULL) {
                addDetalle(null);
                return true;
            }
            return false;
        }
    });