Baixe os ícones e coloque na pasta /public/icons/. Depois atualize o manifest nas configurações do app.
192×192
Ícone padrão
512×512
Ícone principal
512×512 maskable
Ícone maskable (Android)
Configuração do manifest.json
{
"name": "Boi Branco",
"short_name": "Boi Branco",
"description": "Casa de Carnes Boi Branco",
"start_url": "/",
"display": "standalone",
"orientation": "portrait",
"theme_color": "#7a0000",
"background_color": "#111111",
"icons": [
{
"src": "/icons/icon-192.png",
"sizes": "192x192",
"type": "image/png"
},
{
"src": "/icons/icon-512.png",
"sizes": "512x512",
"type": "image/png"
},
{
"src": "/icons/icon-512-maskable.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "maskable"
}
]
}