So the OverlayItem is having the using Java.Lang; in the top of the
file and is implementing Object, but then the compiler thinks it is
System.Object rather than Java.Lang.Object. I guess this is a bug that
you will have to correct.
Meanwhile I am just using
protected override Java.Lang.Object CreateItem(int index)
{
return overlayItems.ElementAt(index);
}
Which seems to work fine.
I have created a bug report: http://bugzilla.xamarin.com/show_bug.cgi?id=2358
On Tue, Dec 6, 2011 at 11:55 AM, Atsushi Eno
<[email protected]> wrote:
> Yes, as the error message tells, it must be derived from Java.Lang.Object.
>
> Atsushi Eno
>
>> Is this because Overlay item is inheriting from System.Object rather
>> than Java.Lang.Object?
>>
>> public class OverlayItem : Object
>>
>> On Tue, Dec 6, 2011 at 9:45 AM, Tomasz Cielecki<[email protected]>
>> wrote:
>>> I get the same error even if CreateItem returns OverlayItem. So
>>> something is wrong somewhere.
>>>
>>> On Tue, Dec 6, 2011 at 9:43 AM, Tomasz Cielecki<[email protected]>
>>> wrote:
>>>> OK. About that OverlayItem. I have a Custom overlay item which looks like
>>>> this:
>>>>
>>>> class NMTOverlayItem : OverlayItem
>>>> {
>>>> private float[] color;
>>>>
>>>> public NMTOverlayItem(GeoPoint point, String title, String
>>>> snippet, float[] color)
>>>> : base(point, title, snippet)
>>>> {
>>>> this.color = color;
>>>> }
>>>>
>>>> public float[] Color
>>>> {
>>>> get { return color; }
>>>> }
>>>> }
>>>>
>>>> Now in the itenized overlay I have the CreateItem method:
>>>>
>>>> protected override NMTOverlayItem CreateItem(int index)
>>>> {
>>>> return overlayItems.ElementAt(index);
>>>> }
>>>>
>>>> I get the following error:
>>>>
>>>> 'NSPublic.AndroidClient.NMTItemizedOverlay.CreateItem(int)': return
>>>> type must be 'Java.Lang.Object' to match overridden member
>>>> 'Android.GoogleMaps.ItemizedOverlay.CreateItem(int)'
>>>>
>>>> Any ideas as to why this is happening?
>>>>
>>>> On Mon, Dec 5, 2011 at 6:52 PM, Tomasz Cielecki<[email protected]>
>>>> wrote:
>>>>> Awesome, will give it a go tomorrow :-)
>>>>>
>>>>> As always good job on the new release!
>>>>>
>>>>> On Dec 5, 2011 5:38 PM, "Jonathan Pryor"<[email protected]> wrote:
>>>>>> On Dec 5, 2011, at 11:25 AM, Tomasz Cielecki wrote:
>>>>>>> Due to changes to how sensors work, i.e. stuff being moved into
>>>>>>> SensorTypes the samples on GitHub do not work anymore.
>>>>>> Changes needed to get the samples working with the new release were done
>>>>>> on the release-2-0 branch, which was just merged to master ~10 minutes
>>>>>> ago.
>>>>>> Please update your repo and see if that fixes it. :-)
>>>>>>
>>>>>>> Also there has been some changes in the ItemizedOverlay now having the
>>>>>>> CreateItem method registered, but it needs to return a
>>>>>>> Java.Lang.Object, does that mean that my custom OverlayItem has to
>>>>>>> inherit from Java.Lang.Object? I thought OverlayItem was already a
>>>>>>> Java.Lang.Object?
>>>>>> OverlayItem inherits Java.Lang.Object, so your class inheriting from
>>>>>> OverlayItem will also inherit Java.Lang.Object, just not directly.
>>>>>>
>>>>>> Subclassing OverlayItem is fine (and required, iirc).
>>>>>>
>>>>>>> Is there a list of changes made in the newest release somewhere?
>>>>>>
>>>>>> http://android.xamarin.com/Releases/Mono_for_Android_4/Release_4.0.0#API_Changes
>>>>>>
>>>>>> - Jon
>>>>>>
>>>>>> _______________________________________________
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>>>>
>>>> --
>>>> Med Venlig Hilsen / With Best Regards
>>>> Tomasz Cielecki
>>>> http://ostebaronen.dk
>>>
>>>
>>> --
>>> Med Venlig Hilsen / With Best Regards
>>> Tomasz Cielecki
>>> http://ostebaronen.dk
>>
>>
>
> _______________________________________________
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--
Med Venlig Hilsen / With Best Regards
Tomasz Cielecki
http://ostebaronen.dk
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