firebase_dynamic_links 5.4.8

Flutter plugin for Google Dynamic Links for Firebase, an app solution for creating and handling links across multiple platforms.

example/lib/main.dart

// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:async';

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_dynamic_links/firebase_dynamic_links.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:url_launcher/url_launcher.dart';

import 'firebase_options.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // iOS requires you run in release mode to test dynamic links ("flutter run --release").
  await Firebase.initializeApp(
    options: DefaultFirebaseOptions.currentPlatform,
  );

  runApp(
    MaterialApp(
      title: 'Dynamic Links Example',
      routes: <String, WidgetBuilder>{
        '/': (BuildContext context) => _MainScreen(),
        '/helloworld': (BuildContext context) => _DynamicLinkScreen(),
      },
    ),
  );
}

class _MainScreen extends StatefulWidget {
  @override
  State<StatefulWidget> createState() => _MainScreenState();
}

class _MainScreenState extends State<_MainScreen> {
  String? _linkMessage;
  bool _isCreatingLink = false;

  FirebaseDynamicLinks dynamicLinks = FirebaseDynamicLinks.instance;
  final String _testString =
      'To test: long press link and then copy and click from a non-browser '
      "app. Make sure this isn't being tested on iOS simulator and iOS xcode "
      'is properly setup. Look at firebase_dynamic_links/README.md for more '
      'details.';

  final String DynamicLink = 'https://example/helloworld';
  final String Link = 'https://flutterfiretests.page.link/MEGs';

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

  Future<void> initDynamicLinks() async {
    dynamicLinks.onLink.listen((dynamicLinkData) {
      Navigator.pushNamed(context, dynamicLinkData.link.path);
    }).onError((error) {
      print('onLink error');
      print(error.message);
    });
  }

  Future<void> _createDynamicLink(bool short) async {
    setState(() {
      _isCreatingLink = true;
    });

    final DynamicLinkParameters parameters = DynamicLinkParameters(
      uriPrefix: 'https://flutterfiretests.page.link',
      longDynamicLink: Uri.parse(
        'https://flutterfiretests.page.link?efr=0&ibi=io.flutter.plugins.firebase.dynamiclinksexample&apn=io.flutter.plugins.firebase.dynamiclinksexample&imv=0&amv=0&link=https%3A%2F%2Fexample%2Fhelloworld&ofl=https://ofl-example.com',
      ),
      link: Uri.parse(DynamicLink),
      androidParameters: const AndroidParameters(
        packageName: 'io.flutter.plugins.firebase.dynamiclinksexample',
        minimumVersion: 0,
      ),
      iosParameters: const IOSParameters(
        bundleId: 'io.flutter.plugins.firebase.dynamiclinksexample',
        minimumVersion: '0',
      ),
    );

    Uri url;
    if (short) {
      final ShortDynamicLink shortLink =
          await dynamicLinks.buildShortLink(parameters);
      url = shortLink.shortUrl;
    } else {
      url = await dynamicLinks.buildLink(parameters);
    }

    setState(() {
      _linkMessage = url.toString();
      _isCreatingLink = false;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Material(
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Dynamic Links Example'),
        ),
        body: Builder(
          builder: (BuildContext context) {
            return Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  ButtonBar(
                    alignment: MainAxisAlignment.center,
                    children: <Widget>[
                      ElevatedButton(
                        onPressed: () async {
                          final PendingDynamicLinkData? data =
                              await dynamicLinks.getInitialLink();
                          final Uri? deepLink = data?.link;

                          if (deepLink != null) {
                            // ignore: unawaited_futures
                            Navigator.pushNamed(context, deepLink.path);
                          }
                        },
                        child: const Text('getInitialLink'),
                      ),
                      ElevatedButton(
                        onPressed: () async {
                          final PendingDynamicLinkData? data =
                              await dynamicLinks
                                  .getDynamicLink(Uri.parse(Link));
                          final Uri? deepLink = data?.link;

                          if (deepLink != null) {
                            // ignore: unawaited_futures
                            Navigator.pushNamed(context, deepLink.path);
                          }
                        },
                        child: const Text('getDynamicLink'),
                      ),
                      ElevatedButton(
                        onPressed: !_isCreatingLink
                            ? () => _createDynamicLink(false)
                            : null,
                        child: const Text('Get Long Link'),
                      ),
                      ElevatedButton(
                        onPressed: !_isCreatingLink
                            ? () => _createDynamicLink(true)
                            : null,
                        child: const Text('Get Short Link'),
                      ),
                    ],
                  ),
                  InkWell(
                    onTap: () async {
                      if (_linkMessage != null) {
                        await launchUrl(Uri.parse(_linkMessage!));
                      }
                    },
                    onLongPress: () {
                      if (_linkMessage != null) {
                        Clipboard.setData(ClipboardData(text: _linkMessage!));
                        ScaffoldMessenger.of(context).showSnackBar(
                          const SnackBar(content: Text('Copied Link!')),
                        );
                      }
                    },
                    child: Text(
                      _linkMessage ?? '',
                      style: const TextStyle(color: Colors.blue),
                    ),
                  ),
                  Text(_linkMessage == null ? '' : _testString),
                ],
              ),
            );
          },
        ),
      ),
    );
  }
}

class _DynamicLinkScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Material(
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Hello World DeepLink'),
        ),
        body: const Center(
          child: Text('Hello, World!'),
        ),
      ),
    );
  }
}