mirror of https://github.com/flutter/samples.git
deploy: 1818925286
johnpryan
3 years ago
parent
cdc432f388
commit
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Flutter samples</title>
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<link href="styles.css" rel="stylesheet" media="screen">
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<link href="https://fonts.googleapis.com/css?family=Google+Sans|Google+Sans+Display|Roboto:300,400,500&display=swap" rel="stylesheet">
|
||||
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<script src="packages/mdc_web/material-components-web.min.js"></script>
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||||
<script src="https://kit.fontawesome.com/16cc04762e.js"></script>
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<script defer src="description.dart.js"></script>
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</head>
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<body>
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<div class="content">
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<div class="navbar">
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<a class="leading" href="./">
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<img src="images/logos/logo_lockup_flutter_horizontal_wht_96.png" />
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<span class="title">Samples</span>
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</a>
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<div class="nav-items">
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<a href="https://flutter.dev/">Flutter Home</a>
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<a href="https://api.flutter.dev/">API Docs</a>
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</div>
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</div>
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<div class="container">
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<div class="description-title-row">
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<h1>Navigation and Routing</h1>
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<div class="type-label type-label-bordered">sample</div>
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</div>
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<p>By Flutter</p>
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<div class="toolbar">
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<div class="buttons">
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<button class="mdc-button mdc-button--outlined" onclick="window.location.href = 'web/navigation_and_routing';"><span class="mdc-button__ripple"></span> Launch App</button><button class="mdc-button mdc-button--outlined" onclick="window.location.href = 'https://github.com/flutter/samples/tree/master/navigation_and_Routing';">
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<div class="mdc-button__ripple"></div>
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<i class="material-icons mdc-button__icon" aria-hidden="true">code</i>
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<span class="mdc-button__label">Source Code</span>
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</button>
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</div>
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<div class="tags-container">
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<div class="tags-label">
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<i class="material-icons">local_offer</i>
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<span>Tags</span>
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</div>
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<div class="tags">
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<a href="./#?search=tag%3Aadvanced">advanced</a>
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<a href="./#?search=tag%3Asample">sample</a>
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<a href="./#?search=tag%3Anavigation">navigation</a>
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<a href="./#?search=tag%3Arouter">router</a>
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</div>
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</div>
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</div>
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<div class="slider-container">
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<div class="slider-content">
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<div class="slider-single"><img class="slider-single-image" src="images/navigation_and_routing1.png" alt="Navigation and Routing screenshot" /></div>
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<div class="slider-single"><img class="slider-single-image" src="images/navigation_and_routing2.png" alt="Navigation and Routing screenshot" /></div>
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<div class="slider-single"><img class="slider-single-image" src="images/navigation_and_routing3.png" alt="Navigation and Routing screenshot" /></div>
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<div class="slider-single"><img class="slider-single-image" src="images/navigation_and_routing4.png" alt="Navigation and Routing screenshot" /></div>
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</div>
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</div>
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<div class="description">
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<p>A Flutter sample app that shows how to use how to use the Router API to handle common navigation scenarios.
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</p>
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</div>
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</div>
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</div>
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</body>
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<div class="footer">
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<span>© Flutter 2020</span>
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</div>
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</html>
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2915258d7281811579731bcf136f2206
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{"packages/cupertino_icons/assets/CupertinoIcons.ttf":["packages/cupertino_icons/assets/CupertinoIcons.ttf"]}
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[{"family":"MaterialIcons","fonts":[{"asset":"fonts/MaterialIcons-Regular.otf"}]},{"family":"packages/cupertino_icons/CupertinoIcons","fonts":[{"asset":"packages/cupertino_icons/assets/CupertinoIcons.ttf"}]}]
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'use strict';
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const MANIFEST = 'flutter-app-manifest';
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const TEMP = 'flutter-temp-cache';
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const CACHE_NAME = 'flutter-app-cache';
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const RESOURCES = {
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"assets/AssetManifest.json": "2efbb41d7877d10aac9d091f58ccd7b9",
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"assets/FontManifest.json": "dc3d03800ccca4601324923c0b1d6d57",
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"assets/fonts/MaterialIcons-Regular.otf": "4e6447691c9509f7acdbf8a931a85ca1",
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"assets/packages/cupertino_icons/assets/CupertinoIcons.ttf": "6d342eb68f170c97609e9da345464e5e",
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"assets/NOTICES": "5b59f719bc51c1166a8368324c91b335",
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"icons/Icon-192.png": "ac9a721a12bbc803b44f645561ecb1e1",
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"icons/Icon-512.png": "96e752610906ba2a93c65f8abe1645f1",
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"favicon.png": "5dcef449791fa27946b3d35ad8803796",
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"manifest.json": "5d94931eac503e97b830d7f00bdbc4ba",
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"version.json": "bdb4806f54523c14a30b7e256984d0e9",
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"main.dart.js": "ee7d528ade2e779e34308b8f5d530c97",
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"index.html": "0c9187962b168ada2379ad4df2e8352d",
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"/": "0c9187962b168ada2379ad4df2e8352d"
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};
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// The application shell files that are downloaded before a service worker can
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// start.
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const CORE = [
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"/",
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"main.dart.js",
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"index.html",
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"assets/NOTICES",
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"assets/AssetManifest.json",
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"assets/FontManifest.json"];
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// During install, the TEMP cache is populated with the application shell files.
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self.addEventListener("install", (event) => {
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self.skipWaiting();
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return event.waitUntil(
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caches.open(TEMP).then((cache) => {
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return cache.addAll(
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CORE.map((value) => new Request(value, {'cache': 'reload'})));
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})
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);
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});
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// During activate, the cache is populated with the temp files downloaded in
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// install. If this service worker is upgrading from one with a saved
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// MANIFEST, then use this to retain unchanged resource files.
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self.addEventListener("activate", function(event) {
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return event.waitUntil(async function() {
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try {
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var contentCache = await caches.open(CACHE_NAME);
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var tempCache = await caches.open(TEMP);
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var manifestCache = await caches.open(MANIFEST);
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var manifest = await manifestCache.match('manifest');
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// When there is no prior manifest, clear the entire cache.
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if (!manifest) {
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await caches.delete(CACHE_NAME);
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contentCache = await caches.open(CACHE_NAME);
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for (var request of await tempCache.keys()) {
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var response = await tempCache.match(request);
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await contentCache.put(request, response);
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}
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await caches.delete(TEMP);
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// Save the manifest to make future upgrades efficient.
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await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
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return;
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}
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var oldManifest = await manifest.json();
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var origin = self.location.origin;
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for (var request of await contentCache.keys()) {
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var key = request.url.substring(origin.length + 1);
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if (key == "") {
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key = "/";
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}
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// If a resource from the old manifest is not in the new cache, or if
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// the MD5 sum has changed, delete it. Otherwise the resource is left
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// in the cache and can be reused by the new service worker.
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if (!RESOURCES[key] || RESOURCES[key] != oldManifest[key]) {
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await contentCache.delete(request);
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}
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}
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// Populate the cache with the app shell TEMP files, potentially overwriting
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// cache files preserved above.
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for (var request of await tempCache.keys()) {
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var response = await tempCache.match(request);
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await contentCache.put(request, response);
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}
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await caches.delete(TEMP);
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// Save the manifest to make future upgrades efficient.
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await manifestCache.put('manifest', new Response(JSON.stringify(RESOURCES)));
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return;
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} catch (err) {
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// On an unhandled exception the state of the cache cannot be guaranteed.
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console.error('Failed to upgrade service worker: ' + err);
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await caches.delete(CACHE_NAME);
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await caches.delete(TEMP);
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await caches.delete(MANIFEST);
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}
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}());
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});
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// The fetch handler redirects requests for RESOURCE files to the service
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// worker cache.
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self.addEventListener("fetch", (event) => {
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if (event.request.method !== 'GET') {
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return;
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}
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var origin = self.location.origin;
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var key = event.request.url.substring(origin.length + 1);
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// Redirect URLs to the index.html
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if (key.indexOf('?v=') != -1) {
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key = key.split('?v=')[0];
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}
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if (event.request.url == origin || event.request.url.startsWith(origin + '/#') || key == '') {
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key = '/';
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}
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// If the URL is not the RESOURCE list then return to signal that the
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// browser should take over.
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if (!RESOURCES[key]) {
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return;
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}
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// If the URL is the index.html, perform an online-first request.
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if (key == '/') {
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return onlineFirst(event);
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}
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event.respondWith(caches.open(CACHE_NAME)
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.then((cache) => {
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return cache.match(event.request).then((response) => {
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// Either respond with the cached resource, or perform a fetch and
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// lazily populate the cache.
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return response || fetch(event.request).then((response) => {
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cache.put(event.request, response.clone());
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return response;
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});
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})
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})
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);
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});
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self.addEventListener('message', (event) => {
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// SkipWaiting can be used to immediately activate a waiting service worker.
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// This will also require a page refresh triggered by the main worker.
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if (event.data === 'skipWaiting') {
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self.skipWaiting();
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return;
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}
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if (event.data === 'downloadOffline') {
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downloadOffline();
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return;
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}
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});
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// Download offline will check the RESOURCES for all files not in the cache
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// and populate them.
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async function downloadOffline() {
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var resources = [];
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var contentCache = await caches.open(CACHE_NAME);
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var currentContent = {};
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for (var request of await contentCache.keys()) {
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var key = request.url.substring(origin.length + 1);
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if (key == "") {
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key = "/";
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}
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currentContent[key] = true;
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}
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for (var resourceKey of Object.keys(RESOURCES)) {
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if (!currentContent[resourceKey]) {
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resources.push(resourceKey);
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}
|
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}
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return contentCache.addAll(resources);
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}
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|
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// Attempt to download the resource online before falling back to
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// the offline cache.
|
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function onlineFirst(event) {
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return event.respondWith(
|
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fetch(event.request).then((response) => {
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return caches.open(CACHE_NAME).then((cache) => {
|
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cache.put(event.request, response.clone());
|
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return response;
|
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});
|
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}).catch((error) => {
|
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return caches.open(CACHE_NAME).then((cache) => {
|
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return cache.match(event.request).then((response) => {
|
||||
if (response != null) {
|
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return response;
|
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}
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throw error;
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});
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});
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})
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);
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}
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|
After Width: | Height: | Size: 5.2 KiB |
|
After Width: | Height: | Size: 8.1 KiB |
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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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|
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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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|
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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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-->
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<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" content="Navigation and routing sample app">
|
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|
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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="bookstore">
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<link rel="apple-touch-icon" href="icons/Icon-192.png">
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|
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<title>bookstore</title>
|
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<link rel="manifest" href="manifest.json">
|
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</head>
|
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<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 -->
|
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<script>
|
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var serviceWorkerVersion = '4201788812';
|
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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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|
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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 () {
|
||||
// Wait for registration to finish before dropping the <script> tag.
|
||||
// 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) => {
|
||||
function waitForActivation(serviceWorker) {
|
||||
serviceWorker.addEventListener('statechange', () => {
|
||||
if (serviceWorker.state == 'activated') {
|
||||
console.log('Installed new service worker.');
|
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loadMainDartJs();
|
||||
}
|
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});
|
||||
}
|
||||
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.');
|
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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>
|
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{
|
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"name": "bookstore",
|
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"short_name": "bookstore",
|
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"start_url": ".",
|
||||
"display": "standalone",
|
||||
"background_color": "#0175C2",
|
||||
"theme_color": "#0175C2",
|
||||
"description": "Navigation and routing sample app",
|
||||
"orientation": "portrait-primary",
|
||||
"prefer_related_applications": false,
|
||||
"icons": [
|
||||
{
|
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"src": "icons/Icon-192.png",
|
||||
"sizes": "192x192",
|
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"type": "image/png"
|
||||
},
|
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{
|
||||
"src": "icons/Icon-512.png",
|
||||
"sizes": "512x512",
|
||||
"type": "image/png"
|
||||
}
|
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]
|
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}
|
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@ -0,0 +1 @@
|
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{"app_name":"bookstore","version":"1.0.0","build_number":"1"}
|
||||
Loading…
Reference in new issue