Merge pull request #174 from syncfusion/955157-Toolkit

955157-Transparent background not properly applied for ProgressBackground

Author: PaulAndersonS

maui/src/PullToRefresh/SfProgressCircleView.cs

@@ -270,12 +270,17 @@ void DrawBackgroundCircle(ICanvas canvas)
 				return;
 			}
 
-			const string shadowColor = "#59000000";
+			Color shadowColor = Color.FromArgb("#59000000");
 			Paint solidPaint = PullToRefresh.ProgressBackground;
 			canvas.SetFillPaint(solidPaint, _fillRect);
 #if ANDROID
 			const int androidShadowSize = 4;
-			canvas.SetShadow(new SizeF(0, 1), androidShadowSize, Color.FromArgb(shadowColor));
+			if (PullToRefresh.ProgressBackground is SolidColorBrush brush && brush.Color.Alpha == 0)
+			{
+				shadowColor = Color.FromArgb("#00000000");
+			}
+
+			canvas.SetShadow(new SizeF(0, 1), androidShadowSize, shadowColor);
 #else
 			const int defaultShadowSize = 3;
 			canvas.SetShadow(new SizeF(0, 1), defaultShadowSize, Color.FromArgb(shadowColor));