Installation and Usage Guide

Card91 card view plugin

This package is made to utilize to display the card details which includes the card number, expiry and the CVV associated with card. This package directly communicates to Card91 SDK to fetch the card details issued to the cardholder.


Package directly communicate with the SDK (secured platform) with provided details basic details
of the card and in return package display the card details

Getting started

Add the widget package on your pubspec version
$ flutter pub add card91_webview

Use this package as a library

Depend on it
Run this command:
With Flutter:
$ flutter pub add card91_webview

This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get):
dependencies:card91_webview: (updated version)

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

Import it
Now in your Dart code, you can use:
import 'package:card91_webview/card91_webview.dart';


Add the widget on the specified container as child specifically as per the your design choice. Check out the below code snippet for the same. Since the card may be multiple so try to add the CardViewItemWidget inside the PageView builder and then within itembuilder add the CardViewItemWidget

Sample code below

import 'package:card91_webview/card91_webview.dart';

    itemBuilder:(context, index)
        return Column

                child: CardViewItemWidget(
                cardId: "", // provide card id here 
                customerId: "", // Customer id
                cardLastFourDigit: "", // last four digit of the card for which details need to be loaded
                token: "", // auth token needs to be provided here 
                nameOnCard: "", // provide name on card value here
                templateId: "default", // based on card layout and function selected
                env:"PROD", // based on env base url for webview will change eg. PROD, PROD_SANDBOX
                cardImageUrl: "https:XXXXXXXX", // card  background image user needs to be added her 
                onDataResponse:(String response){
                setState(() => print("Repose from package$response"));

Input parameter for CardViewItemWidget

cardIdstringtruecardId which has been received form login token service (Card91 API)
customerIdstringtruecustomerId from the Card91 Login token API
cardLastFourDigitstringtruecardId which has been received form login token service (Card91 API)
tokenstringtrueAuth Token received from the Card91 APIs
nameOnCardstringtrueName of the customer to appear in the CardView
templateIdstringtrueLook and feel of the card based on templateId, Bydefault its "default"
envstringtruebased on env base url for webview will change eg. PROD, PROD_SANDBOX
cardImageUrlstringtrueCard Background URL
onDataResponseFunctiontrueAdd a call back function to receive the error & success event

Basic call back event type

Event Types that can be handled

Event NameDescription
C91_CARD_DETAILS_FETCH_SUCCESSCalled when the server-side APIs load successfully. At this time, the card details are available, but they will be masked if no call to action has been triggered.
C91_CARD_DETAILS_FETCH_FAILURECalled when the server-side APIs fail to load. An error message would be visible in the CardView.
C91_CARD_NUMBER_SHOWNCalled upon the successful operation of the showNumber trigger. At this time, the card number and the expiry date are un-masked and the CVV is masked.
C91_CARD_CVV_SHOWNCalled upon the successful operation of the showCVV trigger. At this time, the CVV is un-masked and the card number and the expiry date are masked.
C91_CARD_AUTHENTICATION_FAILURECall back event type when client is passing incorrect or expired auth token
C91_CARD_MISSING_PARAMETERCall back event type when client is not passing any required/blank parameter .
C91_CARD_SERVER_FAILURECall back event type when there is server service exception with error code 500 to 599