現在地表示をリアルタイム更新するように変更

Top.js

@@ -12,10 +12,12 @@ import TrainMenu from "./components/trainMenu.js";
 import FavoriteList from "./components/FavoriteList.js";
 import { useFavoriteStation } from "./stateBox/useFavoriteStation";
 import { optionData } from "./lib/stackOption.js";
+import { useCurrentTrain } from "./stateBox/useCurrentTrain.js";
 const Stack = createStackNavigator();
-export const Top = ({ navigation, getCurrentTrain }) => {
+export const Top = ({ navigation }) => {
   const webview = useRef();
   const { favoriteStation, setFavoriteStation } = useFavoriteStation();
+  const { getCurrentTrain } = useCurrentTrain();
 
   //地図用
   const [mapsStationData, setMapsStationData] = useState(undefined);