KeyEventCompat not supported at build

change this

if (KeyEventCompat.hasNoModifiers(event)) {
    handled = arrowScroll(FOCUS_FORWARD);
} else if (KeyEventCompat.hasModifiers(event, KeyEvent.META_SHIFT_ON)) {
    handled = arrowScroll(FOCUS_BACKWARD);
}

to

if (event.hasNoModifiers()) {
    handled = arrowScroll(FOCUS_FORWARD);
} else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
    handled = arrowScroll(FOCUS_BACKWARD);
}

KeyEventCompat class was deprecated in API level 26.0.0