Updated for Xcode 12.0
SwiftUI gives us both
strokeBorder() modifiers for drawing borders around shapes, and they have subtly different behavior:
strokeBorder()modifier insets the view by half your border width then applies the stroke, meaning that the entire border is drawn inside the view.
stroke()modifier draws a border centered on the view’s edge, meaning that half the border is inside the view and half outside.
Important: Both of these modifiers only apply to shapes – you can use
Capsule, and so on, but not with
Image or other non-shape views. If you want to draw a border around non-shape views, you should use the
border() modifier instead – see “How to draw a border around a view”.
If you want to see
strokeBorder() in action, try this:
Circle() .strokeBorder(Color.blue, lineWidth: 50)
Because that doesn’t specify a frame, that circle will occupy the full width of the screen, and its 50-point blue stroke will be drawn entirely inside the circle.
If you aren’t quite sure of the difference from
stroke(), try changing your code to this:
Circle() .stroke(Color.blue, lineWidth: 50)
Now you’ll see that the left and right edges of the stroke are cut off, because they fall outside of the screen.
SPONSORED Would you describe yourself as knowledgeable, but struggling when you have to come up with your own code? Fernando Olivares has a new book containing iOS rules you can immediately apply to your coding habits to see dramatic improvements, while also teaching applied programming fundamentals seen in refactored code from published apps.
Link copied to your pasteboard.