picture_verification_code

Description:

picture verification code

picture_verification_code example #
void main() {
runApp(MyApp());
}

class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'PictureVerificationCode Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: CodeTestPage(),
);
}
}

class CodeTestPage extends StatefulWidget {
@override
_CodeTestPageState createState() => _CodeTestPageState();
}

class _CodeTestPageState extends State<CodeTestPage> {
@override
Widget build(BuildContext context) {
String code = "";
for (var i = 0; i < 6; i++) {
code = code + Random().nextInt(9).toString();
}
return Scaffold(
appBar: AppBar(
title: Text("图片验证码"),
),
body: Container(
alignment: Alignment.center,
child: PictureVerificationCode(
code: code, backgroundColor: Colors.white,
)));
}
}
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