On 6 Aug 2010, at 00:03, Fritz Anderson wrote:
> On 5 Aug 2010, at 2:57 AM, Gerriet M. Denkmann wrote:
>
>> I have an MKMapView which sometimes does:
>> [ mapView addSubview: selectorView ];
>> and selectorView contains a UIPickerView.
>
> I'm not sure why you feel it necessary to drop your selector view directly
> into the map view?
No reason at all. Just a case of old habits - overlapping subviews once used to
be forbidden.
> My experience is that MKMapView is a sensitive thing. It would not surprise
> me if it assumed that its top-level view contained only its own content.
>
> What happens if wrap the map view and the selector view in a common root view?
Well, I replaced:
[ mapView addSubview: selectorView ];
with:
[ [ mapView superview ] addSubview: selectorView ];
and it seems to be working much better.
> If you add the selector view last, it would overlay the map view without
> mucking with its internals.
>
> Root view
> Map view
> Selector view
> Picker
Thanks a lot for your help!
Gerriet.
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