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| <html> | |
| <head> | |
| <!-- | |
| If you are serving your web app in a path other than the root, change the | |
| href value below to reflect the base path you are serving from. | |
| The path provided below has to start and end with a slash "/" in order for | |
| it to work correctly. | |
| For more details: | |
| * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base | |
| This is a placeholder for base href that will be replaced by the value of | |
| the `--base-href` argument provided to `flutter build`. | |
| --> | |
| <base href="/"> | |
| <meta charset="UTF-8"> | |
| <meta content="IE=Edge" http-equiv="X-UA-Compatible"> | |
| <meta name="description" content="A PlainBagel project template for Flutter"> | |
| <!-- iOS meta tags & icons --> | |
| <meta name="apple-mobile-web-app-capable" content="yes"> | |
| <meta name="apple-mobile-web-app-status-bar-style" content="black"> | |
| <meta name="apple-mobile-web-app-title" content="Plain Bagel flutter template"> | |
| <link rel="apple-touch-icon" href="icons/Icon-192.png"> | |
| <!-- Favicon --> | |
| <link rel="icon" type="image/png" href="favicon.png" /> | |
| <title>Picka Friends</title> | |
| <link rel="manifest" href="manifest.json"> | |
| </head> | |
| <body> | |
| <!-- This script installs service_worker.js to provide PWA functionality to | |
| application. For more information, see: | |
| https://developers.google.com/web/fundamentals/primers/service-workers --> | |
| <script> | |
| const serviceWorkerVersion = "3841224055"; | |
| var scriptLoaded = false; | |
| function loadMainDartJs() { | |
| if (scriptLoaded) { | |
| return; | |
| } | |
| scriptLoaded = true; | |
| var scriptTag = document.createElement('script'); | |
| scriptTag.src = 'main.dart.js'; | |
| scriptTag.type = 'application/javascript'; | |
| document.body.append(scriptTag); | |
| } | |
| if ('serviceWorker' in navigator) { | |
| // Service workers are supported. Use them. | |
| window.addEventListener('load', function () { | |
| // Wait for registration to finish before dropping the <script> tag. | |
| // Otherwise, the browser will load the script multiple times, | |
| // potentially different versions. | |
| var serviceWorkerUrl = 'flutter_service_worker.js?v=' + serviceWorkerVersion; | |
| navigator.serviceWorker.register(serviceWorkerUrl) | |
| .then((reg) => { | |
| function waitForActivation(serviceWorker) { | |
| serviceWorker.addEventListener('statechange', () => { | |
| if (serviceWorker.state == 'activated') { | |
| console.log('Installed new service worker.'); | |
| loadMainDartJs(); | |
| } | |
| }); | |
| } | |
| if (!reg.active && (reg.installing || reg.waiting)) { | |
| // No active web worker and we have installed or are installing | |
| // one for the first time. Simply wait for it to activate. | |
| waitForActivation(reg.installing || reg.waiting); | |
| } else if (!reg.active.scriptURL.endsWith(serviceWorkerVersion)) { | |
| // When the app updates the serviceWorkerVersion changes, so we | |
| // need to ask the service worker to update. | |
| console.log('New service worker available.'); | |
| reg.update(); | |
| waitForActivation(reg.installing); | |
| } else { | |
| // Existing service worker is still good. | |
| console.log('Loading app from service worker.'); | |
| loadMainDartJs(); | |
| } | |
| }); | |
| // If service worker doesn't succeed in a reasonable amount of time, | |
| // fallback to plaint <script> tag. | |
| setTimeout(() => { | |
| if (!scriptLoaded) { | |
| console.warn( | |
| 'Failed to load app from service worker. Falling back to plain <script> tag.', | |
| ); | |
| loadMainDartJs(); | |
| } | |
| }, 4000); | |
| }); | |
| } else { | |
| // Service workers not supported. Just drop the <script> tag. | |
| loadMainDartJs(); | |
| } | |
| </script> | |
| </body> | |
| </html> |