hide keyboard on touch outside

 @Override
    public boolean dispatchTouchEvent(MotionEvent event) {
        View view = getCurrentFocus();
        boolean retnet = super.dispatchTouchEvent(event);
        if (view instanceof EditText) {
            View w = getCurrentFocus();
            int[] scrcoords = new int[2];
            assert w != null;
            w.getLocationOnScreen(scrcoords);
            float x = event.getRawX() + w.getLeft() - scrcoords[0];
            float y = event.getRawY() + w.getTop() - scrcoords[1];

            if (event.getAction() == MotionEvent.ACTION_UP
                    && (x < w.getLeft() || x >= w.getRight()
                    || y < w.getTop() || y > w.getBottom()) ) {
                InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
                assert imm != null;
                imm.hideSoftInputFromWindow(Objects.requireNonNull(getWindow().getCurrentFocus()).getWindowToken(), 0);
            }
        }
        return retnet;
    }