[PWA] Add web app to your Home Screen

Clone: Link

Modify the structure:

Move css, js, image, index.html to an 'app' folder.

manifest.json:

{
  "name": "Fireworks App",
  "short_name": "Fireworks",
  "icons": [    {
    "src":"images/fireworks-icon192x192.png",
    "sizes": "192x192",
    "type": "image/png"
  }],
  "start_url": "/index.html",
  "display": "standalone",
  "background_color": "#000",
  "theme_color": "#536878"
}

name: Showing on splash screen.

short_name: Showing on Home Screen.

background_color: splash screen background color

theme_color: toolbar color (url bar color)

icons: icons for display on home screen and splash screen

"display": "standalone" or "fullscreen"

start_url: index.html

Add to index.html:

  <head>
    <meta charset="uft-8" />
    <meta name="theme-color" content="#536878" />
    <meta name=viewport content="width=device-width, initial-scale=1">
    <title>Fireworks!</title>
    <link href="css/fireworks.css" rel="stylesheet">
    <link rel="manifest" href="manifest.json">
  <!-- Add to home screen for Safari on iOS -->
  <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="Fireworks">
  <link rel="apple-touch-icon" href="images/fireworks-icon192x192.png">
  <!-- Add to home screen for Windows-->
  <meta name="msapplication-TileImage" content="images/fireworks-icon192x192.png">
  <meta name="msapplication-TileColor" content="#2F3BA2">
  </head>

<script>
  if ('serviceWorker' in navigator) {
    console.log("Will the service worker register?");
    navigator.serviceWorker.register('service-worker.js')
      .then(function(reg){
        console.log("Yes, it did.");
      }).catch(function(err) {
        console.log("No it didn't. This happened: ", err)
      });
  }
</script>

Also create a service-worker.js in app folder.

Last you can deply to Firebase to see your app