アプリの起動時にお気に入りの一件目にジャンプするように変更

App.js

@@ -177,6 +177,7 @@ const Top = ({
             favoriteStation={favoriteStation}
             setFavoriteStation={setFavoriteStation}
             busAndTrainData={busAndTrainData}
+            stationData={mapsStationData}
           />
         )}
       </Stack.Screen>

Apps.js

@@ -25,6 +25,7 @@ export default function Apps({
   favoriteStation,
   setFavoriteStation,
   busAndTrainData,
+  stationData,
 }) {
   const { navigate } = navigation;
   var urlcache = "";
@@ -39,10 +40,12 @@ export default function Apps({
   const [stationBoardData, setStationBoardData] = useState(undefined);
   const [originalStationList, setOriginalStationList] = useState();
   const [selectedStation, setSelectedStation] = useState(undefined);
+  let once = false;
   useEffect(() => {
     getStationList().then(setOriginalStationList);
   }, []);
 
+  useEffect(() => {}, [stationData, favoriteStation]);
   //地図表示テキスト
   const injectJavascript = injectJavascriptData(
     mapSwitch,
@@ -183,6 +186,26 @@ export default function Apps({
         onMessage={onMessage}
         injectedJavaScript={injectJavascript}
         onTouchMove={() => StationBoardAcSR.current?.hide()}
+        onLoadEnd={() => {
+          if (once) return () => {};
+          if (!stationData) return () => {};
+          if (favoriteStation.length > 0) {
+            const getStationLine = (now) => {
+              const returnData = Object.keys(stationData).filter((d) => {
+                const cache = stationData[d].findIndex(
+                  (data) => data.Station_JP == now.Station_JP
+                );
+                return cache != -1;
+              });
+              return returnData[0];
+            };
+            const lineName = getStationLine(favoriteStation[0][0]);
+            webview.current?.injectJavaScript(
+              `MoveDisplayStation('${lineName}_${favoriteStation[0][0].MyStation}_${favoriteStation[0][0].Station_JP}')`
+            );
+            once = true;
+          }
+        }}
       />
       <MapsButton
         onPress={() => navigate("trainMenu", { webview })}