I work with mapsdemo example. This is the mapview.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/main" android:layout_width="match_parent" android:layout_height="match_parent"> <com.google.android.maps.MapView android:id="@+id/mapview1" android:layout_width="match_parent" android:layout_height="match_parent" android:enabled="true" android:clickable="true" android:apiKey="0NEYgdOup6yIBCe9gExhOXFMJGERVVN_mrIQqpQ" /> </LinearLayout> In OnCreate find the mapview1 but the cast MapView is invalid exception: MapView mapView = (MapView)FindViewById(Resource.Id.mapview1) This is the errore message: Message "Cannot cast from source type to destination type." string I followed the example of the official guide to java -- View this message in context: http://mono-for-android.1047100.n5.nabble.com/MapView-exception-tp5054906p5054906.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