manifest.json

{
	"name": "Progressive Web App",
	"short_name": "Demo PWA",
	"description": "Demo for progressive web app with push notifications, background sync etc.",
	"start_url": "./index.html?utm=homescreen",
	"display": "standalone",
	"orientation": "portrait",
	"background_color": "#f5f5f5",
	"theme_color": "#29434d",
	"icons": [
		{
			"src": "./images/icons/android-chrome-192x192.png",
			"type": "image/png",
			"sizes": "192x192"
		},
		{
			"src": "./images/icons/android-chrome-512x512.png",
			"type": "image/png",
			"sizes": "512x512"
		},
		{
            "src": "./images/icons/android-maskable-192x192.png",
            "type": "image/png",
			"sizes": "192x192",
			"purpose": "maskable"
        },
        {
            "src": "./images/icons/android-maskable-512x512.png",
            "type": "image/png",
            "sizes": "512x512",
			"purpose": "maskable"
        }
	],
	"author": {
		"name": "Gokulakrishnan Kalaikovan",
		"website": "https://gokulkrishh.github.io",
		"github": "https://github.com/gokulkrishh",
		"source-repo": "https://github.com/gokulkrishh/demo-progressive-web-app"
	},
	"gcm_sender_id": "847244712742",
	"gcm_user_visible_only": true
}