{
     "name": "Chat",
     "short_name": "Chat",
     "start_url": ".",
     "display": "standalone",
     "background_color": "#0175C2",
     "theme_color": "#0175C2",
     "description": "A new Flutter project.",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,
     "icons": [
          {
               "src": "icons/Icon-192.png",
               "sizes": "192x192",
               "type": "image/png"
          },
          {
               "src": "icons/Icon-512.png",
               "sizes": "512x512",
               "type": "image/png"
          },
          {
               "src": "icons/Icon-maskable-192.png",
               "sizes": "192x192",
               "type": "image/png",
               "purpose": "maskable"
          },
          {
               "src": "icons/Icon-maskable-512.png",
               "sizes": "512x512",
               "type": "image/png",
               "purpose": "maskable"
          }
     ]
}