Ensure that release notes text is scrolled to the top

TWSReleaseNotesView/TWSReleaseNotesView.h

@@ -8,6 +8,8 @@
 
 #import <UIKit/UIKit.h>
 
+typedef void (^TWSReleaseNotesViewCompletionHandler)(void);
+
 /**
  Use the `TWSReleaseNotesView` class to display a custom release notes view, to be shown when the app is opened for the first time after an update.
 
@@ -87,6 +89,8 @@
 /// The shadow offset for the close button. Default is `(0.0f, -1.0f)`.
 @property (assign, nonatomic) CGSize closeButtonShadowOffset;
 
+/// A completion handler
+@property (copy, nonatomic) TWSReleaseNotesViewCompletionHandler handler;
 
 /** @name Creating the release notes view */
 

TWSReleaseNotesView/TWSReleaseNotesView.m

@@ -377,6 +377,7 @@ - (void)prepareToShowInView:(UIView *)containerView
 
     [self.textView setFont:self.releaseNotesFont];
     [self.textView setTextColor:self.releaseNotesColor];
+    [self.textView setContentOffset:CGPointMake(0, 0) animated:NO];
     [self.textView.layer setShadowColor:[self.releaseNotesShadowColor CGColor]];
     [self.textView.layer setShadowOffset:self.releaseNotesShadowOffset];
 
@@ -466,6 +467,8 @@ - (void)dismiss
                 if (finished)
                 {
                     [self removeFromSuperview];
+                    if (self.handler)
+                        self.handler();
                 }
             }];
         }