Set the autoresizingMask so the HUD will auto-rotate when added to a view. Thanks to Christopher M. Böddecker.

Author: jdg

MBProgressHUD.m

@@ -182,6 +182,8 @@ - (id)initWithFrame:(CGRect)frame {
 		self.graceTime = 0.0;
 		self.minShowTime = 0.0;
 
+		self.autoresizingMask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
+		
         // Transparent background
         self.opaque = NO;
         self.backgroundColor = [UIColor clearColor];