device method
Determines the type of the device based on the given coordinates.
Implementation
Device device(double cx, [double? cy]) {
if (cx <= watch.width) {
return watch;
} else if (cx <= mobile.width) {
return mobile;
} else if (cx <= tablet.width) {
return tablet;
} else if (cx <= laptop.width) {
return laptop;
} else if (cx <= desktop.width) {
return desktop;
} else {
return tv;
}
}