Remove the legacy ActivityIndicator/ProgressIndicator, use ProrgessView

Author: dreampiggy

Example/SDWebImageSwiftUIDemo/ContentView.swift

@@ -17,23 +17,6 @@ class UserSettings: ObservableObject {
     #endif
 }
 
-#if os(watchOS)
-@available(iOS 14.0, OSX 11.0, tvOS 14.0, watchOS 7.0, *)
-extension Indicator where T == ProgressView<EmptyView, EmptyView> {
-    static var activity: Indicator {
-        Indicator { isAnimating, progress in
-            ProgressView()
-        }
-    }
-    
-    static var progress: Indicator {
-        Indicator { isAnimating, progress in
-            ProgressView(value: progress.wrappedValue)
-        }
-    }
-}
-#endif
-
 // Test Switching url using @State
 struct ContentView2: View {
     @State var imageURLs = [

SDWebImageSwiftUI/Classes/Indicator/ActivityIndicator.swift

@@ -54,45 +54,44 @@ public struct IndicatorViewModifier<T> : ViewModifier where T : View {
 
     public func body(content: Content) -> some View {
         ZStack {
-            content.overlay(overlay, alignment: .center)
+            content
+            overlay
         }
     }
 }
 
-#if os(macOS) || os(iOS) || os(tvOS)
 @available(iOS 14.0, OSX 11.0, tvOS 14.0, watchOS 7.0, *)
-extension Indicator where T == ActivityIndicator {
+extension Indicator where T == AnyView {
     /// Activity Indicator
-    public static var activity: Indicator {
+    public static var activity: Indicator<T> {
         Indicator { isAnimating, _ in
-            ActivityIndicator(isAnimating)
+            AnyView(ProgressView().opacity(isAnimating.wrappedValue ? 1 : 0))
         }
     }
 
     /// Activity Indicator with style
     /// - Parameter style: style
-    public static func activity(style: ActivityIndicator.Style) -> Indicator {
+    public static func activity(configuration: ProgressViewStyleConfiguration) -> Indicator<T> {
         Indicator { isAnimating, _ in
-            ActivityIndicator(isAnimating, style: style)
+            AnyView(ProgressView(configuration).opacity(isAnimating.wrappedValue ? 1 : 0))
         }
     }
 }
 
 @available(iOS 14.0, OSX 11.0, tvOS 14.0, watchOS 7.0, *)
-extension Indicator where T == ProgressIndicator {
+extension Indicator where T == AnyView {
     /// Progress Indicator
-    public static var progress: Indicator {
+    public static var progress: Indicator<T> {
         Indicator { isAnimating, progress in
-            ProgressIndicator(isAnimating, progress: progress)
+            AnyView(ProgressView(value: progress.wrappedValue).opacity(isAnimating.wrappedValue ? 1 : 0))
         }
     }
 
     /// Progress Indicator with style
     /// - Parameter style: style
-    public static func progress(style: ProgressIndicator.Style) -> Indicator {
+    public static func progress(configuration: ProgressViewStyleConfiguration) -> Indicator<T> {
         Indicator { isAnimating, progress in
-            ProgressIndicator(isAnimating, progress: progress, style: style)
+            AnyView(ProgressView(configuration).opacity(isAnimating.wrappedValue ? 1 : 0))
         }
     }
 }
-#endif