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<!DOCTYPE html>
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<html>
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<head>
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<!--
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If you are serving your web app in a path other than the root, change the
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href value below to reflect the base path you are serving from.
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The path provided below has to start and end with a slash "/" in order for
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it to work correctly.
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For more details:
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* https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
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This is a placeholder for base href that will be replaced by the value of
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the `--base-href` argument provided to `flutter build`.
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-->
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<base href="$FLUTTER_BASE_HREF">
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<meta charset="UTF-8">
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<meta content="IE=Edge" http-equiv="X-UA-Compatible">
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<meta name="description"
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content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
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<meta property="og:description"
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content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
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<!-- Open Graph Data -->
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<meta property="og:title" content="Google I/O Pinball">
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<meta property="og:url" content="https://pinball.flutter.dev">
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<meta property="og:image"
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content="https://firebasestorage.googleapis.com/v0/b/io-pinball.appspot.com/o/images%2Fpinball_share_image.png?alt=media">
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<!-- Twitter Share Data -->
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<meta name="twitter:image"
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content="https://firebasestorage.googleapis.com/v0/b/io-pinball.appspot.com/o/images%2Fpinball_share_image.png?alt=media">
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<meta name="twitter:text:title" content="I/O Pinball Machine - Flutter">
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<meta name="twitter:card" content="summary_large_image">
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<meta name="twitter:title" content="I/O Pinball Machine - Flutter">
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<meta name="twitter:description"
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content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
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<!-- iOS meta tags & icons -->
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black">
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<meta name="apple-mobile-web-app-title" content="I/O Pinball Machine - Flutter">
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<link rel="apple-touch-icon" href="icons/Icon-192.png">
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<!-- Favicon -->
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<link rel="icon" type="image/png" href="favicon.png" />
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<title>I/O Pinball Machine - Flutter</title>
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<link rel="manifest" href="manifest.json">
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<script>
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(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
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new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
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j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
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'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
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})(window,document,'script','dataLayer','GTM-ND4LWWZ');
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</script>
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<script>
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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ga('create', 'UA-67589403-1', 'auto');
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ga('send', 'pageview');
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</script>
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<script src="/__/firebase/8.10.1/firebase-app.js"></script>
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<script src="/__/firebase/8.10.1/firebase-firestore.js"></script>
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<script src="/__/firebase/8.10.1/firebase-auth.js"></script>
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<script src="/__/firebase/init.js"></script>
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</head>
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<body>
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<!-- This script installs service_worker.js to provide PWA functionality to
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application. For more information, see:
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https://developers.google.com/web/fundamentals/primers/service-workers -->
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<script>
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fetch("assets/assets/images/loading_game/io_pinball.png").catch(function (e) {
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console.warn(e);
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});
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var serviceWorkerVersion = null;
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var scriptLoaded = false;
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function loadMainDartJs() {
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if (scriptLoaded) {
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return;
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}
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scriptLoaded = true;
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var scriptTag = document.createElement('script');
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scriptTag.src = 'main.dart.js';
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scriptTag.type = 'application/javascript';
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document.body.append(scriptTag);
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}
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if ('serviceWorker' in navigator) {
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// Service workers are supported. Use them.
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window.addEventListener('load', function () {
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// Wait for registration to finish before dropping the <script> tag.
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// Otherwise, the browser will load the script multiple times,
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// potentially different versions.
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var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion;
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navigator.serviceWorker.register(serviceWorkerUrl)
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.then((reg) => {
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function waitForActivation(serviceWorker) {
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serviceWorker.addEventListener('statechange', () => {
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if (serviceWorker.state == 'activated') {
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console.log('Installed new service worker.');
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loadMainDartJs();
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}
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});
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}
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if (!reg.active && (reg.installing || reg.waiting)) {
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// No active web worker and we have installed or are installing
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// one for the first time. Simply wait for it to activate.
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waitForActivation(reg.installing || reg.waiting);
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} else if (!reg.active.scriptURL.endsWith(serviceWorkerVersion)) {
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// When the app updates the serviceWorkerVersion changes, so we
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// need to ask the service worker to update.
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console.log('New service worker available.');
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reg.update();
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waitForActivation(reg.installing);
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} else {
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// Existing service worker is still good.
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console.log('Loading app from service worker.');
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loadMainDartJs();
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}
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});
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// If service worker doesn't succeed in a reasonable amount of time,
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// fallback to plaint <script> tag.
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setTimeout(() => {
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if (!scriptLoaded) {
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console.warn(
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'Failed to load app from service worker. Falling back to plain <script> tag.',
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);
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loadMainDartJs();
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}
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}, 4000);
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});
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} else {
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// Service workers not supported. Just drop the <script> tag.
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loadMainDartJs();
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}
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</script>
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</body>
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</html>
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