[Mono-bugs] [Bug 668723] Attaching FailedToReceiveAd event handler to MonoTouch.iAd.ADBannerView causes application crash.

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=668723

https://bugzilla.novell.com/show_bug.cgi?id=668723#c3


Geoff Norton <gnorton at novell.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |gnorton at novell.com
         Resolution|                            |INVALID
           Severity|Critical                    |Normal

--- Comment #3 from Geoff Norton <gnorton at novell.com> 2011-02-01 20:17:10 UTC ---
You are putting the adview on the AdViewController, but you are allowing the
contorller to be collected:

                public override bool FinishedLaunching (UIApplication app,
NSDictionary options)
                {
                        // If you have defined a view, add it here:
                        AdViewController adViewController = new
AdViewController();
                        window.AddSubview (adViewController.View);

                        window.MakeKeyAndVisible ();

                        return true;
                }     

As soon as you return from finishedlaunching the gc is free to collect the
AdViewController as nothing contains a reference to it, and as such the iAd
view can also go away (on the managed proxy).  Keep a reference to your
controller and the crash goes away.

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