cpf_utility 1.0.1 cpf_utility: ^1.0.1 copied to clipboard
A simple package to generate, validate and format valid Brazilian CPF's, it supports creating totally random CPF's or creating CPF's out of a specific state.
import 'package:cpf_utility/cpf_utility.dart';
import 'package:flutter/material.dart';
import 'package:flutter_cpf/style.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter CPF',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const CpfPage(),
);
}
}
class CpfPage extends StatefulWidget {
const CpfPage({Key? key}) : super(key: key);
@override
State<CpfPage> createState() => _CpfPageState();
}
class _CpfPageState extends State<CpfPage> {
final _cpfController = TextEditingController();
var _cpf = "";
MaterialColor? _fieldColor;
Icon? _suffixIcon;
void cleanTextFiled() {
setState(() {
_fieldColor = null;
_suffixIcon = null;
});
}
void changeTextFieldState() {
setState(() {
if (Cpf.validate(_cpfController.text)) {
_fieldColor = Colors.green;
_suffixIcon = const Icon(Icons.check, color: Colors.black);
} else {
_fieldColor = Colors.red;
_suffixIcon = const Icon(Icons.error_outline, color: Colors.black);
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text("Flutter CPF")),
body: Padding(
padding: const EdgeInsets.symmetric(horizontal: 15),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
TextField(
controller: _cpfController,
onChanged: (String text) {
setState(() {
_cpf = text;
});
},
decoration: InputDecoration(
suffixIcon: _suffixIcon,
border: const OutlineInputBorder(),
fillColor: _fieldColor,
filled: true),
textAlign: TextAlign.center,
maxLength: 14),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
MaterialButton(
color: Colors.blue,
onPressed: () {
setState(() {
cleanTextFiled();
_cpfController.text = Cpf.generate();
});
},
child: const Text(
"Generate",
style: Style.buttonText,
)),
const Padding(padding: EdgeInsets.only(right: 30)),
MaterialButton(
onPressed: changeTextFieldState,
child: const Text(
"Validate",
style: Style.buttonText,
))
],
)
],
),
));
}
}