invoiceninja 0.0.1

A Dart package to integrate with Invoice Ninja

Invoice Ninja

This package provides a simple way to charge for features/products in a Flutter app

Features

• Accept online payment in mobile, web and desktop Flutter apps
• Supports many payment gateways including Stripe, PayPal and Authorize.net
• Easily create professional PDF invoices
• Includes a self-service client portal
• Many more features...

Note: the package requires the new v5 version of the app [Demo | More info]

Installing

dependencies:
  invoiceninja: ^0.0.1

Import

import 'package:invoiceninja/invoiceninja.dart';

Configure

InvoiceNinja.configure(
  'demo',
  url: 'demo.invoiceninja.com',
  debugEnabled: true,
);

Load the product list

final products = await InvoiceNinja.products.load();

Find the product by key

final product = await InvoiceNinja.products.findByKey('product_key');

Create the client

var client = Client.forContact(email: '[e-mail]');
client = await InvoiceNinja.clients.save(client);

Create the invoice

var invoice = Invoice.forClient(client, products: [product]);
invoice = await InvoiceNinja.invoices.save(invoice);

Display the PDF

launch(
  'https://docs.google.com/gview?embedded=true&url=${invoice.pdfUrl}',
  forceWebView: true,
);

Accept the payment

var invoiceKey = invoice.key;
launch(invoice.url);

// ...

final invoice = await InvoiceNinja.invoices.findByKey(invoiceKey);
if (invoice.isPaid) {
  // ...
}

You can use the WidgetsBindingObserver interface to run code when the app is resumed.

Consider giving issue #57536 a thumbs up to make this better in the future.