A complete solution using flutter framework created by Google is an open-source mobile application development. It is used to develop applications for Android and iOS, as well as being the primary method of creating applications
Demo: https://codecanyon.net/item/fuodz-grocery-food-pharmacy-store-parcelcourier-delivery-mobile-app-with-php-laravel-backend/31145802
source http://www.codelist.cc/mobile/244041-fuodz-v123-grocery-food-pharmacy-courier-delivery-app-backend-driver-amp-vendor-app.html