I am trying to detect, when a user adds more then a specific amount (20) of letters in a Text field. When typing the the field itemNo, the debugger will not get triggered in the onKey Event. But when clicking on the save button (setOnTouchListener), this works perfectly.

What am i missing here?

Thanks for your advice.

@SuppressLint("ClickableViewAccessibility")
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    super.onCreateView(inflater, container, savedInstanceState);
    if (binding == null) {
        binding = FragmentItemBinding.inflate(inflater, container, false);

        binding.itemNo.setOnKeyListener(new View.OnKeyListener() {
            @Override
            public boolean onKey(View v, int keyCode, KeyEvent event) {
                if (binding.itemNo.getEditText().length() > 20) {   //This Code is unreached, when text entered
                    binding.itemNo.getEditText().setText("");
                    return false;
                }
                return true;
            }
        });

        binding.save.setOnTouchListener(new SimpleSwipeListener() {
            @Override
            public boolean onTouchUp(View v, MotionEvent event) {
                if (binding.itemNo.getEditText().length() > 20)     //This Code is reached, when the button is pressed
                {
                    return false;
                }
            }
        });
    }
    return binding.getRoot();
}