snghrsw_core_card_io 1.0.0

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  • Changelog
  • Example
  • Installing
  • new68

core_card_io #

CardIO plugin for flutter

A Flutter plugin for iOS and Android for scanning credit cards using the camera. This uses the CardIO library for iOS and Android

Note: This plugin is still under development, and some APIs might not be available yet. Feedback and pull requests are welcome!

Installation #

First, add core_card_io as a dependency in your pubspec.yaml file.

iOS #

Add the following key to your Info.plist file, located in <project root>/ios/Runner/Info.plist:

NSCameraUsageDescription - Set the value to be a string describing why your app needs to use the camera (e.g. "To scan credit cards."). This string will be displayed when the app initially requests permission to access the camera.

Run 'pod install'

Android #

Add the following permission to your Android Manifest, located in `

<uses-permission android:name="android.permission.CAMERA"/>

Add's open source license acknowledgments to your app's acknowledgments.

Example #

Show example folder

  Map<String, dynamic> details = await FlutterCardIo.scanCard({
    "requireExpiry": true,
    "scanExpiry": true,
    "requireCVV": true,
    "requirePostalCode": true,
    "restrictPostalCodeToNumericOnly": true,
    "requireCardHolderName": true,
    "scanInstructions": "Hola! Fit the card within the box",

Response #

    "cardholderName": "John doe",
    "cardNumber": "1234 5678 9876 1236",
    "redactedCardNumber": "**** **** **** 1236",
    "expiryMonth": 12,
    "expiryYear": 2022,
    "cvv": 123,
    "postalCode": "93748"

0.0.1 #

  • TODO: Describe initial release.


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

import 'package:flutter/services.dart';
import 'package:snghrsw_core_card_io/core_card_io.dart';

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

class MyApp extends StatefulWidget {
  _MyAppState createState() => _MyAppState();

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

  void initState() {

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    Map<String, dynamic> details;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = "";
      details = await CoreCardIo.scanCard({
        "hideCardIOLogo": true,
        "requireExpiry": true,
        "scanExpiry": true,
        "requireCVV": true,
        "requireCardHolderName": true
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;

  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        body: Center(
          child: Text('Running on: $_platformVersion\n'),

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  snghrsw_core_card_io: ^1.0.0

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:snghrsw_core_card_io/core_card_io.dart';
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Learn more about scoring.

We analyzed this package on Jul 2, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.4
  • pana: 0.13.13
  • Flutter: 1.17.5

Analysis suggestions

Package does not support Flutter platform linux

Because of import path [package:snghrsw_core_card_io/core_card_io.dart] that declares support for platforms: android, ios

Package does not support Flutter platform macos

Because of import path [package:snghrsw_core_card_io/core_card_io.dart] that declares support for platforms: android, ios

Package does not support Flutter platform web

Because of import path [package:snghrsw_core_card_io/core_card_io.dart] that declares support for platforms: android, ios

Package does not support Flutter platform windows

Because of import path [package:snghrsw_core_card_io/core_card_io.dart] that declares support for platforms: android, ios

Package not compatible with SDK dart

because of import path [snghrsw_core_card_io] that is in a package requiring null.

Health issues and suggestions

Document public APIs. (-1 points)

4 out of 4 API elements have no dartdoc comment.Providing good documentation for libraries, classes, functions, and other API elements improves code readability and helps developers find and use your API.

Format lib/core_card_io.dart.

Run flutter format to format lib/core_card_io.dart.

Maintenance suggestions

The package description is too short. (-20 points)

Add more detail to the description field of pubspec.yaml. Use 60 to 180 characters to describe the package, what it does, and its target use case.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.12 1.14.13
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6 1.2.0
vector_math 2.0.8
Dev dependencies