This question has stumped me for some time, I'd really appreciate someone resolving this one. Thanks.
I depend on the GeometryReader for proportional resizing but I find myself writing boilerplate code that I would like to get rid of, like this:
struct myview : View {
var body: some View {
GeometryReader { g in
let l = g.size.length let w = g.size.width let x = l * 0.5 let y = w * 0.5
someView() .frame(width: (l * 0.25), height: (w * 0.7)) .position(x: x, y: y)
}
}
}
The point is that after those declarations, I can auto-center the views enclosed by the GeometryReader (by default, GeometryReader places them in the top left corner), and resize them effortlessly with the frame modifier by a scalar.
I want to avoid writing the same code over and over.
But the child view needs variables it can access to resize according to them.
I think I need to extend the GeometryReader class, but I don't know how.
The syntax ought to look like this:
customGeometryReader { l, w, x, y in
someView .frame(width: l, height: w) .position(x: x, y: y)
}
How do I extend the GeometryReader in this way?
Thanks very much
