initState method
Called when this object is inserted into the tree.
Implementation
@override
void initState() {
super.initState();
_focusNode =
widget.focusNode ?? FocusNode(id: 'textfield_${widget.hashCode}');
_updateListener();
if (widget.focused) {
scheduleMicrotask(() {
if (mounted) _focusNode.requestFocus();
});
}
}