文字フォントとワンマン対応改造

howto.js

@@ -2,11 +2,17 @@ import React from "react";
 import { View } from "react-native";
 import { WebView } from "react-native-webview";
 import { BigButton } from "./components/atom/BigButton";
+import { useNavigation } from "@react-navigation/native";
 export default ({ navigation: { navigate }, route }) => {
   const { info, goTo, useShow } = route.params;
+  const { goBack } = useNavigation();
   const onExit = () => {
-    navigate(goTo || "Apps");
-    useShow && useShow();
+    if(goTo != "NearTrainDiagramView") {
+      navigate(goTo || "Apps");
+      useShow && useShow();
+    } else {
+      goBack();
+    }
   };
   return (
     <View style={styles}>