flutter_credit_card 0.1.1

A Credit Card widget package, support entering card details, card flip animation.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_credit_card/flutter_credit_card.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Credit Card View Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const CreditCardExample(),
    );
  }
}

class CreditCardExample extends StatefulWidget {
  const CreditCardExample({
    Key key,
  }) : super(key: key);

  @override
  _CreditCardExampleState createState() => _CreditCardExampleState();
}

class _CreditCardExampleState extends State<CreditCardExample> {
  String cardNumber = '';
  String expiryDate = '';
  String cardHolderName = '';
  String cvvCode = '';

  final MaskedTextController _cardNumberController =
      MaskedTextController(mask: '0000 0000 0000 0000');
  final TextEditingController _expiryDateController =
      MaskedTextController(mask: '00/00');
  final TextEditingController _cardHolderNameController = TextEditingController();
  final TextEditingController _cvvCodeController = MaskedTextController(mask: '0000');

  FocusNode cvvFocusNode = FocusNode();

  bool isCvvFocused = false;

  void textFieldFocusDidChange() {
    setState(() {
      isCvvFocused = cvvFocusNode.hasFocus;
    });
  }

  @override
  void initState() {
    super.initState();

    cvvFocusNode.addListener(textFieldFocusDidChange);

    _cardNumberController.addListener(() {
      setState(() {
        cardNumber = _cardNumberController.text;
      });
    });

    _expiryDateController.addListener(() {
      setState(() {
        expiryDate = _expiryDateController.text;
      });
    });

    _cardHolderNameController.addListener(() {
      setState(() {
        cardHolderName = _cardHolderNameController.text;
      });
    });

    _cvvCodeController.addListener(() {
      setState(() {
        cvvCode = _cvvCodeController.text;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: true,
      body: SafeArea(
        child: Column(
          mainAxisSize: MainAxisSize.max,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: <Widget>[
            CreditCardWidget(
              cardNumber: cardNumber,
              expiryDate: expiryDate,
              cardHolderName: cardHolderName,
              cvvCode: cvvCode,
              showBackView: isCvvFocused,
            ),
            Expanded(
              child: SingleChildScrollView(
                child: Form(
                  child: Column(
                    children: <Widget>[
                      Container(
                        padding: const EdgeInsets.symmetric(vertical: 8.0),
                        margin: const EdgeInsets.only(left: 16, top: 16, right: 16),
                        child: TextFormField(
                          controller: _cardNumberController,
                          decoration: InputDecoration(
                            border: OutlineInputBorder(),
                            labelText: 'Card number',
                            hintText: 'xxxx xxxx xxxx xxxx',
                          ),
                          keyboardType: TextInputType.number,
                          textInputAction: TextInputAction.next,
                        ),
                      ),
                      Container(
                        padding: const EdgeInsets.symmetric(vertical: 8.0),
                        margin: const EdgeInsets.only(left: 16, top: 8, right: 16),
                        child: TextFormField(
                          controller: _expiryDateController,
                          decoration: InputDecoration(
                              border: OutlineInputBorder(),
                              labelText: 'Expired Date',
                              hintText: 'MM/YY'),
                          keyboardType: TextInputType.number,
                          textInputAction: TextInputAction.next,
                        ),
                      ),
                      Container(
                        padding: const EdgeInsets.symmetric(vertical: 8.0),
                        margin: const EdgeInsets.only(left: 16, top: 8, right: 16),
                        child: TextFormField(
                          controller: _cardHolderNameController,
                          decoration: InputDecoration(
                            border: OutlineInputBorder(),
                            labelText: 'Card Holder',
                          ),
                          keyboardType: TextInputType.text,
                          textInputAction: TextInputAction.next,
                        ),
                      ),
                      Container(
                        padding: const EdgeInsets.symmetric(vertical: 8.0),
                        margin: const EdgeInsets.only(left: 16, top: 8, right: 16),
                        child: TextField(
                          focusNode: cvvFocusNode,
                          controller: _cvvCodeController,
                          decoration: InputDecoration(
                            border: OutlineInputBorder(),
                            labelText: 'CVV',
                            hintText: 'XXXX',
                          ),
                          keyboardType: TextInputType.number,
                          textInputAction: TextInputAction.done,
                          onChanged: (text) {
                            setState(() {
                              cvvCode = text;
                            });
                          },
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}