How to change "Name" form TextField to Purple when Focus on this i have a problem here that i try to solve this but it's not work
here is my code
class NewName extends StatefulWidget {
@override
_NewNomeState createState() => _NewNomeState();
}
class _NewNomeState extends State<NewName> {
@override
Widget build(BuildContext context) {
FocusNode myFocusNode = new FocusNode();
return Padding(
padding: const EdgeInsets.only(top: 0, left: 50, right: 50),
child: Container(
height: 60,
width: MediaQuery.of(context).size.width,
child: TextField(
focusNode: myFocusNode,
style: TextStyle(
color: Colors.purple,
),
decoration: InputDecoration(
enabledBorder: UnderlineInputBorder(
borderSide: BorderSide(color: Colors.black),
),
focusedBorder: UnderlineInputBorder(
borderSide: BorderSide(color: Colors.purple),
),
border: UnderlineInputBorder(
borderSide: BorderSide(color: Colors.purple),
),
labelText: 'Name',
labelStyle: TextStyle(
fontFamily: 'SukumvitSetSemiBold',
fontSize: 14,
color: myFocusNode.hasFocus ? Colors.purple : Colors.black),
),
),
),
);
}
}
i have seen some Question that similar but i still don't know how to fixed it. i'm too confuse here please help #Thank you very much
Well first you should declare your focusNode outside the build function, try moving FocusNode myFocusNode = new FocusNode();
outside of Build(BuildContext context)
and check if that solved it.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.