Allow customization of ProgressHUD through ProgressHUDAppearance

BTProgressHUD/BTProgressHUD.cs

@@ -69,9 +69,6 @@ public static void Dismiss()
         public static bool IsVisible
             => ProgressHUD.ForDefaultWindow()?.IsVisible ?? false;
 
-
-
-
         public static void Show(UIWindow forWindow, string? status = null, float progress = -1, MaskType maskType = MaskType.None)
         {
             ProgressHUD.For(forWindow)?.Show(status, progress, maskType);

BTProgressHUD/ProgressHUD.cs

@@ -34,15 +34,15 @@ public sealed class ProgressHUD : UIView
 
         private static readonly NSObject obj = new();
 
-        private UIImage? _errorImage;
-        private UIImage? _successImage;
-        private UIImage? _infoImage;
-        private UIImage? _errorOutlineImage;
-        private UIImage? _successOutlineImage;
-        private UIImage? _infoOutlineImage;
-        private UIImage? _errorOutlineFullImage;
-        private UIImage? _successOutlineFullImage;
-        private UIImage? _infoOutlineFullImage;
+        private UIImage? _errorImage = ProgressHUDAppearance.ErrorImage;
+        private UIImage? _successImage = ProgressHUDAppearance.SuccessImage;
+        private UIImage? _infoImage = ProgressHUDAppearance.InfoImage;
+        private UIImage? _errorOutlineImage = ProgressHUDAppearance.ErrorOutlineImage;
+        private UIImage? _successOutlineImage = ProgressHUDAppearance.SuccessOutlineImage;
+        private UIImage? _infoOutlineImage = ProgressHUDAppearance.InfoOutlineImage;
+        private UIImage? _errorOutlineFullImage = ProgressHUDAppearance.ErrorOutlineFullImage;
+        private UIImage? _successOutlineFullImage = ProgressHUDAppearance.SuccessOutlineFullImage;
+        private UIImage? _infoOutlineFullImage = ProgressHUDAppearance.InfoOutlineFullImage;
 
         private MaskType _maskType;
         private NSTimer? _fadeoutTimer;
@@ -100,20 +100,17 @@ public ProgressHUD(UIWindow window) : base(window.Bounds)
             BackgroundColor = UIColor.Clear;
             Alpha = 0;
             AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
-
-            SetOSSpecificLookAndFeel();
         }
 
         public UIWindow HudWindow { get; private set; }
 
         public static CGRect KeyboardSize { get; private set; } = CGRect.Empty;
 
-        public UIColor HudBackgroundColour { get; set; } = UIColor.FromWhiteAlpha(0.0f, 0.8f);
-        public UIColor HudForegroundColor { get; set; } = UIColor.White;
-        public UIColor HudStatusShadowColor { get; set; } = UIColor.Black;
-        public UIColor HudToastBackgroundColor { get; set; } = UIColor.Clear;
-        public UIFont HudFont { get; set; } = UIFont.BoldSystemFontOfSize(16f);
-        public UITextAlignment HudTextAlignment { get; set; } = UITextAlignment.Center;
+        public UIColor HudBackgroundColour { get; set; } = ProgressHUDAppearance.HudBackgroundColour;
+        public UIColor HudForegroundColor { get; set; } = ProgressHUDAppearance.HudForegroundColor;
+        public UIColor HudToastBackgroundColor { get; set; } = ProgressHUDAppearance.HudToastBackgroundColor;
+        public UIFont HudFont { get; set; } = ProgressHUDAppearance.HudFont;
+        public UITextAlignment HudTextAlignment { get; set; } = ProgressHUDAppearance.HudTextAlignment;
         public Ring Ring { get; } = new();
 
         public UIImage ErrorImage
@@ -216,8 +213,8 @@ public UIImage InfoOutlineFullImage
             return For(window);
         }
 
-        public float RingRadius { get; set; } = 14f;
-        public float RingThickness { get; set; } = 6f;
+        public float RingRadius { get; set; } = ProgressHUDAppearance.RingRadius;
+        public float RingThickness { get; set; } = ProgressHUDAppearance.RingThickness;
 
         CAShapeLayer RingLayer
         {
@@ -379,20 +376,6 @@ UIActivityIndicatorView SpinnerView
             }
         }
 
-        private void SetOSSpecificLookAndFeel()
-        {
-            HudBackgroundColour =
-                (System.OperatingSystem.IsIOSVersionAtLeast(13, 0) || OperatingSystem.IsMacCatalystVersionAtLeast(13))
-                  ? UIColor.SystemBackground.ColorWithAlpha(0.8f) : UIColor.White.ColorWithAlpha(0.8f);
-            HudForegroundColor =
-                (System.OperatingSystem.IsIOSVersionAtLeast(13, 0) || OperatingSystem.IsMacCatalystVersionAtLeast(13))
-                ? UIColor.Label.ColorWithAlpha(0.8f) : UIColor.FromWhiteAlpha(0.0f, 0.8f);
-            HudStatusShadowColor =
-                (System.OperatingSystem.IsIOSVersionAtLeast(13, 0) || OperatingSystem.IsMacCatalystVersionAtLeast(13))
-                ? UIColor.Label.ColorWithAlpha(0.8f) : UIColor.FromWhiteAlpha(200f / 255f, 0.8f);
-            RingThickness = 1f;
-        }
-
         public void Show(string? status = null, float progress = -1, MaskType maskType = MaskType.None, double timeoutMs = 1000)
         {
             obj.InvokeOnMainThread(() => ShowProgressWorker(progress, status, maskType, timeoutMs: timeoutMs));

BTProgressHUD/ProgressHUDAppearance.cs

@@ -0,0 +1,43 @@
+using System;
+using UIKit;
+
+namespace BigTed;
+
+public static class ProgressHUDAppearance
+{
+    public static UIColor DefaultHudBackgroundColour { get; } = 
+        OperatingSystem.IsIOSVersionAtLeast(13, 0) || OperatingSystem.IsMacCatalystVersionAtLeast(13) ?
+            UIColor.SystemBackground.ColorWithAlpha(0.8f) :
+            UIColor.White.ColorWithAlpha(0.8f);
+
+    public static UIColor DefaultHudForegroundColor { get; } =
+        OperatingSystem.IsIOSVersionAtLeast(13, 0) || OperatingSystem.IsMacCatalystVersionAtLeast(13) ?
+            UIColor.Label.ColorWithAlpha(0.8f) :
+            UIColor.FromWhiteAlpha(0.0f, 0.8f);
+
+    public static UIColor DefaultHudToastBackgroundColor { get; } = UIColor.Clear;
+    public static UIFont DefaultHudFont { get; } = UIFont.BoldSystemFontOfSize(16f);
+    public static UITextAlignment DefaultHudTextAlignment { get; } = UITextAlignment.Center;
+    public const float DefaultRingRadius = 14f;
+    public const float DefaultRingThickness = 1f;
+
+    public static float RingRadius { get; set; } = DefaultRingRadius;
+    public static float RingThickness { get; set; } = DefaultRingThickness;
+
+
+    public static UIColor HudBackgroundColour { get; set; } = DefaultHudBackgroundColour;
+    public static UIColor HudForegroundColor { get; set; } = DefaultHudForegroundColor;
+    public static UIColor HudToastBackgroundColor { get; set; } = DefaultHudToastBackgroundColor;
+    public static UIFont HudFont { get; set; } = DefaultHudFont;
+    public static UITextAlignment HudTextAlignment { get; set; } = DefaultHudTextAlignment;
+
+    public static UIImage? ErrorImage { get; set; }
+    public static UIImage? SuccessImage { get; set; }
+    public static UIImage? InfoImage { get; set; }
+    public static UIImage? ErrorOutlineImage { get; set; }
+    public static UIImage? SuccessOutlineImage { get; set; }
+    public static UIImage? InfoOutlineImage { get; set; }
+    public static UIImage? ErrorOutlineFullImage { get; set; }
+    public static UIImage? SuccessOutlineFullImage { get; set; }
+    public static UIImage? InfoOutlineFullImage { get; set; }
+}

BTProgressHUDDemo/MauiProgram.cs

@@ -1,4 +1,7 @@
-namespace BTProgressHUDDemo2;
+using BigTed;
+using UIKit;
+
+namespace BTProgressHUDDemo2;
 
 public static class MauiProgram
 {
@@ -14,7 +17,9 @@ public static MauiApp CreateMauiApp()
             });
 
 #if IOS || MACCATALYST
-        BigTed.ProgressHUD.Initialize();
+        ProgressHUD.Initialize();
+        ProgressHUDAppearance.HudFont = UIFont.PreferredHeadline;
+        ProgressHUDAppearance.HudForegroundColor = UIColor.Purple;
 #endif
 
         return builder.Build();