flutter_iap 1.2.3

  • README.md
  • CHANGELOG.md
  • Example
  • Installing
  • Versions
  • 82

flutter_iap

Add In-App Payments to your Flutter app with this plugin.

  • You can retrieve a list of previously purchased IAP product IDs (only Android)
  • You can fetch IAP products from Google Play and App Store
  • You can buy an IAP product
  • You can restore purchases from App Store (only iOS)

Getting Started

For help getting started with Flutter, view our online documentation.

For help on editing plugin code, view the documentation.

Install

Add flutter_iap as a dependency in pubspec.yaml

For help on adding as a dependency, view the documentation.

Example

Note: You must set up billing information in your developer account corresponding with the platform you are testing (iTunes Connect / Google Play Console)

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

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  List<String> _productIds = [];
  List<String> _alreadyPurchased = [];

  @override
  initState() {
    super.initState();
    init();
  }

  init() async {
    List<String> productIds = ["com.example.testiap"];

    IAPResponse response = await FlutterIap.fetchProducts(productIds);
    productIds = response.products
        .map((IAPProduct product) => product.productIdentifier)
        .toList();

    IAPResponse purchased = await FlutterIap.fetchInventory();
    List<String> purchasedIds = purchased.purchases
        .map((IAPPurchase purchase) => purchase.productIdentifier)
        .toList();

    if (!mounted) return;

    setState(() {
      _productIds = productIds;
      _alreadyPurchased = purchasedIds;
    });
  }

  @override
  Widget build(BuildContext context) {
    String nextPurchase = _productIds.firstWhere(
      (id) => !_alreadyPurchased.contains(id),
      orElse: () => null,
    );

    List<Text> list = [];
    _alreadyPurchased.forEach((productId) {
      list.add(new Text(productId));
    });

    if (list.isEmpty) {
      list.add(new Text("No previous purchases found."));
    } else {
      list.insert(0, new Text("Already purchased:"));
    }

    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: new Text("flutter_iap example app"),
        ),
        body: new Center(
          child: new Column(
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              new Text(
                _productIds.isNotEmpty
                    ? "Fetched: $_productIds"
                    : "Not working?\n"
                    "Check that you set up in app purchases in\n"
                    "iTunes Connect / Google Play Console",
                textAlign: TextAlign.center,
                textScaleFactor: 1.25,
              ),
              new SizedBox(
                height: 24.0,
              ),
            ].followedBy(list).toList(),
          ),
        ),
        floatingActionButton: nextPurchase != null
            ? new FloatingActionButton(
                child: new Icon(Icons.monetization_on),
                onPressed: () {
                  FlutterIap.buy(nextPurchase);
                },
              )
            : new Container(),
      ),
    );
  }
}

1.2.2

  • [Android] Add subscriptions support
  • [Android] Add server verification support

example/lib/main.dart

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

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  List<String> _productIds = [];
  List<String> _alreadyPurchased = [];

  @override
  initState() {
    super.initState();
    init();
  }

  init() async {
    // Android testers: You can use "android.test.purchased" to simulate a successful flow.
    List<String> productIds = ["com.example.testiap"];

    IAPResponse response = await FlutterIap.fetchProducts(productIds);
    productIds = response.products
        .map((IAPProduct product) => product.productIdentifier)
        .toList();

    IAPResponse purchased = await FlutterIap.fetchInventory();
    List<String> purchasedIds = purchased.purchases
        .map((IAPPurchase purchase) => purchase.productIdentifier)
        .toList();

    if (!mounted) return;

    setState(() {
      _productIds = productIds;
      _alreadyPurchased = purchasedIds;
    });
  }

  @override
  Widget build(BuildContext context) {
    String nextPurchase = _productIds.firstWhere(
      (id) => !_alreadyPurchased.contains(id),
      orElse: () => null,
    );

    List<Text> list = [];
    _alreadyPurchased.forEach((productId) {
      list.add(new Text(productId));
    });

    if (list.isEmpty) {
      list.add(new Text("No previous purchases found."));
    } else {
      list.insert(0, new Text("Already purchased:"));
    }

    return new MaterialApp(
      home: new Scaffold(
        appBar: new AppBar(
          title: new Text("flutter_iap example app"),
        ),
        body: new Center(
          child: new Column(
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              new Text(
                _productIds.isNotEmpty
                    ? "Available Products to purchase: $_productIds"
                    : "Not working?\n"
                    "Check that you set up in app purchases in\n"
                    "iTunes Connect / Google Play Console",
                textAlign: TextAlign.center,
                textScaleFactor: 1.25,
              ),
              new SizedBox(
                height: 24.0,
              ),
            ].followedBy(list).toList(),
          ),
        ),
        floatingActionButton: nextPurchase != null
            ? new FloatingActionButton(
                child: new Icon(Icons.monetization_on),
                onPressed: () async {
                  IAPResponse response = await FlutterIap.buy(nextPurchase);
                  if (response.purchases != null) {
                    List<String> purchasedIds = response.purchases
                        .map((IAPPurchase purchase) => purchase.productIdentifier)
                        .toList();

                    setState(() {
                      _alreadyPurchased = purchasedIds;
                    });
                  }
                },
              )
            : new Container(),
      ),
    );
  }
}

Use this package as a library

1. Depend on it

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


dependencies:
  flutter_iap: ^1.2.3

2. Install it

You can install packages from the command line:

with Flutter:


$ flutter packages get

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

3. Import it

Now in your Dart code, you can use:


import 'package:flutter_iap/flutter_iap.dart';
  
Version Uploaded Documentation Archive
1.2.3 Aug 20, 2018 Go to the documentation of flutter_iap 1.2.3 Download flutter_iap 1.2.3 archive
1.2.2 Aug 2, 2018 Go to the documentation of flutter_iap 1.2.2 Download flutter_iap 1.2.2 archive
1.2.1 Jul 6, 2018 Go to the documentation of flutter_iap 1.2.1 Download flutter_iap 1.2.1 archive
1.2.0 Jul 5, 2018 Go to the documentation of flutter_iap 1.2.0 Download flutter_iap 1.2.0 archive
1.1.0 May 30, 2018 Go to the documentation of flutter_iap 1.1.0 Download flutter_iap 1.1.0 archive
1.0.1 Dec 21, 2017 Go to the documentation of flutter_iap 1.0.1 Download flutter_iap 1.0.1 archive
1.0.0 Oct 22, 2017 Go to the documentation of flutter_iap 1.0.0 Download flutter_iap 1.0.0 archive
Popularity:
Describes how popular the package is relative to other packages. [more]
80
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
60
Overall:
Weighted score of the above. [more]
82
Learn more about scoring.

We analyzed this package on Dec 5, 2018, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.1.0
  • pana: 0.12.7
  • Flutter: 1.0.0

Platforms

Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Maintenance issues and suggestions

Support latest stable Dart SDK in pubspec.yaml. (-20 points)

The SDK constraint in pubspec.yaml doesn't allow the latest stable Dart SDK release.

The description is too short. (-20 points)

Add more detail about the package, what it does and what is its target use case. Try to write at least 60 characters.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=1.23.0 <2.1.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11
meta 1.1.6
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8