How do you "set the correct layout for the correct activity"?  Is
there something to put in the manifest or the layout file?  I'm doing
this in the main Activity -

            setContentView(R.layout.main);

and this in the MapActivity -

        setContentView(R.layout.mymapvieww);

It dies at the first step - setContentView(R.layout.main) with this
message "MapViews can only be created inside instances of
MapActivity".  If I remove the file layout/mymapview.xml the problem
goes away.


On Dec 3, 2:06 pm, TreKing <treking...@gmail.com> wrote:
> Sounds odd. I have the same setup (map activity that is launched from a
> primary activity, each with their own layout) and have never seen anything
> like that.
>
> I would double check your layouts and make sure that you are, in fact,
> setting the correct layout for the correct activity. From the error you
> mentioned it would appear that you have a mapview element in the main layout
> file or that you're loading the mapview layout by mistake in the main
> activity.
>
> Otherwise maybe post some code and your layouts?
>
> -------------------------------------------------------------------------------------------------
> TreKing - Chicago transit tracking app for Android-powered 
> deviceshttp://sites.google.com/site/rezmobileapps/treking
>
> On Thu, Dec 3, 2009 at 3:13 PM, jotobjects <jotobje...@gmail.com> wrote:
> > I am getting an error creating a MapView with a layout file.  The app
> > has two activities with different layout files.  The main activity
> > launched from Home is not a MapAcitivity.  It starts the second
> > activity (MapActivity).  The error occurs in onCreate() for the first
> > Activity in setContentView(R.layout.main).  The error message is
>
> > "MapViews can only be created inside instances of MapActivity"
>
> > which makes sense except main.xml does not have a MapView element.
> > The intention was to to call setContentView(R.layout.mymapview) in the
> > MapActivity. But the MapView is being created with the context of the
> > main (non-map) Activity instead.
>
> > I have a workaround (directly instantiating the MapView without a
> > layout file) but just wondering if there is a way to control when the
> > layout file Views are created.
>
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