changed some stuff in widget

Author: JWI

Package.resolved

@@ -47,7 +47,7 @@ let package = Package(
     name: "swift-cross-ui",
     platforms: [
         .macOS(.v10_15),
-        .iOS("13.0"),
+        .iOS("7.0"),
         .tvOS(.v13),
         .macCatalyst(.v13)
     ],

Package.swift

@@ -1,9 +1,9 @@
 //MARK: Will add to a shim library later, just here for testing now.
-/*@available(iOS, introduced: 6.0, obsoleted: 13.0)
+@available(iOS, introduced: 6.0, obsoleted: 13.0)
 public protocol Identifiable {
     associatedtype ID: Hashable
     var id: ID { get }
-}*/
+}
 
 public struct List<SelectionValue: Hashable, RowView: View>: TypeSafeView, View {
     typealias Children = ListViewChildren<PaddingModifierView<RowView>>

Sources/SwiftCrossUI/Views/List.swift

@@ -30,11 +30,21 @@ extension Color {
     }
 
     var cgColor: CGColor {
-        CGColor(
-            red: CGFloat(red),
-            green: CGFloat(green),
-            blue: CGFloat(blue),
-            alpha: CGFloat(alpha)
-        )
+        if #available(iOS 13.0, *) {
+            CGColor(
+                red: CGFloat(red),
+                green: CGFloat(green),
+                blue: CGFloat(blue),
+                alpha: CGFloat(alpha)
+            )
+        } else {
+            //MARK: this won't work right now, get back to me on it.
+            CGColorShim(
+                red: CGFloat(red),
+                green: CGFloat(green),
+                blue: CGFloat(blue),
+                alpha: CGFloat(alpha)
+            ) as! CGColor
+        }
     }
 }

Sources/UIKitBackend/UIColor+Color.swift

@@ -289,11 +289,20 @@ class WrapperWidget<View: UIView>: BaseViewWidget {
         self.addSubview(child)
         child.translatesAutoresizingMaskIntoConstraints = false
         NSLayoutConstraint.activate([
-            child.topAnchor.constraint(equalTo: self.topAnchor),
+            {
+                let c = child.topAnchor.constraint(equalTo: self.topAnchor)
+                c.priority = .defaultHigh
+                return c
+            }(),
             child.leadingAnchor.constraint(equalTo: self.leadingAnchor),
-            child.bottomAnchor.constraint(equalTo: self.bottomAnchor),
+            {
+                let c = child.bottomAnchor.constraint(equalTo: self.bottomAnchor)
+                c.priority = .defaultHigh
+                return c
+            }(),
             child.trailingAnchor.constraint(equalTo: self.trailingAnchor),
         ])
+
     }
 
     override convenience init() {