flutter_os_start_1

start_screen.dart

WatchShape(
        builder: (context, shape) {
          var screenSize = MediaQuery.of(context).size;
          final shape = InheritedShape.of(context).shape;
          if (shape == Shape.round) {
            // boxInsetLength requires radius, so divide by 2
            screenSize = Size(boxInsetLength(screenSize.width / 2),
                boxInsetLength(screenSize.height / 2));
          }
          var screenHeight = screenSize.height;
          var screenWidth = screenSize.width;
          
          ......
            
        },
),