我有以下代码:publicclassTab_MapextendsSupportMapFragment{Viewview;SupportMapFragmentgmap;GoogleMapmap;@OverridepublicViewonCreateView(LayoutInflaterinflater,ViewGroupcontainer,BundlesavedInstanceState){//TODOAuto-generatedmethodstubview=inflater.inflate(R.layout.tab_map,container,false);map=((SupportM