Paul, Don't know if this helps...
When my app initialises it serialises/deserialises some simple data (strings, ints etc). If I deliberately put a bug into my application (because obviously there aren't any real ones!) the app will crash with, say, a NullReferenceException. Android then automatically re-starts the app and that initialisation code always fails immediately with System.ArgumentException relating to the serialisation that clearly works fine the rest of the time. It's as though the re-start isn't totally clean in some way and either Android or Mono for Android or the combination of both get confused. This error itself causes a re-start and then everything is fine (to the user this is seen as a double flicker of the screen.) So... if I look in the adb log after an application error I'll usually see a serialisation error. But if I look slightly earlier in the log I'll see the *real* error that triggered this. I've never looked into this much further because it's always been possible to identify the underlying bug, it's just a bit strange that it has this knock-on effect. Maybe it's nothing to do with what you're seeing, but it's definitely a way in which blatantly-obviously-this-serialisation-should-work fails to work. Cheers, Andy -----Original Message----- From: monodroid-boun...@lists.ximian.com [mailto:monodroid-boun...@lists.ximian.com] On Behalf Of nodoid Sent: 28 November 2011 14:01 To: monodroid@lists.ximian.com Subject: Re: [mono-android] Being driven insane.... Hi, Hmm, something is still not right. Are there any types which cannot be serialized for Android? Currently, I have this [Serializable()] public class common { public int p, a, w, pa; public double bodyWeight, tempBody, tempSurround; public double[,] correctionData = new double[3, 20]; public double[,] iterations = new double[3, 20]; public double c, b, cas; public string s; } and to serialize in the main tab creator [Activity(MainLauncher = true, Label = "@string/ApplicationName", Theme = "@android:style/Theme.NoTitleBar")] public class AndroidTimeOfDeath : TabActivity { protected override void OnCreate(Bundle bundle) { common data = new common(); base.OnCreate(bundle); SetContentView(Resource.Layout.Main); TabHost.TabSpec spec; Intent intent; intent = new Intent(this, typeof(TimeTemp)); intent.AddFlags(ActivityFlags.NewTask); XmlSerializer x = new XmlSerializer(data.GetType()); StringWriter o = new StringWriter(System.Globalization.CultureInfo.InvariantCulture); x.Serialize(o, data); // etc } The Serialize crashes and burns with a System.ArgumentException I'm trying to figure out why this is happening and wonder if there are any types that cannot be serialized. From a search, in standard C# Arrays of ArrayList and certain generics can't be handled. Does Android add anything additional to these? I have changed the [Serializable] to [Serializable()] as well as commenting it out and that makes no difference. The data.GetType() I have also tried as typeof(common). Still crashes and burns. Thanks Paul -- View this message in context: http://mono-for-android.1047100.n5.nabble.com/Being-driven-insane-tp5016975p 5028935.html Sent from the Mono for Android mailing list archive at Nabble.com. _______________________________________________ Monodroid mailing list Monodroid@lists.ximian.com UNSUBSCRIBE INFORMATION: http://lists.ximian.com/mailman/listinfo/monodroid _______________________________________________ Monodroid mailing list Monodroid@lists.ximian.com UNSUBSCRIBE INFORMATION: http://lists.ximian.com/mailman/listinfo/monodroid
