Expanding the DCIntrospect workaround, because it uses DCTextView under iOS7 (and above) but UITextView under pre-iOS7.

Author: hsoi

WYPopoverController/WYPopoverController.m

@@ -1423,8 +1423,11 @@ - (UIView *)rootView
             // the "last visible" subview. But as I cannot be 100% sure of the original author's intent, I'll
             // instead work around our use of DCIntrospect by saying if that class exists, skip it because it
             // certainly isn't the UIView we want.
+            // Hrm. Seems that DCIntrospect installs a DCTextView under iOS7 and UITextView under pre-7. So
+            // we'll still use the presense of Class DCTextView as our key, then check for either TextView
+            // class at runtime.
             Class DCTextView = NSClassFromString(@"DCTextView");
-            if (!view.isHidden && (!DCTextView || (DCTextView && ![view isKindOfClass:DCTextView])) )
+            if (!view.isHidden && (!DCTextView || (DCTextView && ![view isKindOfClass:DCTextView] && ![view isKindOfClass:[UITextView class]])) )
             {
                 result = view;
                 break;