位置情報権限の取得場所を変更

stateBox/useUserPosition.tsx

@@ -0,0 +1,76 @@
+import React, {
+  createContext,
+  useContext,
+  useState,
+  useEffect,
+  FC,
+} from "react";
+import {
+  LocationObject,
+  requestForegroundPermissionsAsync,
+  getCurrentPositionAsync,
+} from "expo-location";
+import { Platform } from "react-native";
+import useInterval from "@/lib/useInterval";
+
+type initialStateType = {
+  position: LocationObject | undefined;
+  getCurrentPosition: () => void;
+  locationStatus: boolean | null;
+  getLocationPermission: () => void;
+};
+const initialState = {
+  position: undefined,
+  getCurrentPosition: () => {},
+  locationStatus: null,
+  getLocationPermission: () => {},
+};
+
+const UserPositionContext = createContext<initialStateType>(initialState);
+type Props = {
+  children: React.ReactNode;
+};
+export const useUserPosition = () => {
+  return useContext(UserPositionContext);
+};
+
+export const UserPositionProvider: FC<Props> = ({ children }) => {
+  //位置情報
+  const [locationStatus, setLocationStatus] = useState<boolean | null>(null);
+  const [position, setPosition] = useState<LocationObject | undefined>(
+    undefined
+  );
+
+  const getLocationPermission = async () => {
+    return requestForegroundPermissionsAsync().then((data) => {
+      setLocationStatus(
+        Platform.OS == "ios"
+          ? data.status == "granted"
+          : data.android.accuracy == "fine"
+      );
+    });
+  };
+  const getCurrentPosition = () => {
+    if (!locationStatus) return () => {};
+    getCurrentPositionAsync({}).then((location) => setPosition(location));
+  };
+  useEffect(() => {
+    if (Platform.OS == "web") return;
+    getLocationPermission();
+  }, []);
+  useEffect(getCurrentPosition, [locationStatus]);
+  useInterval(getCurrentPosition, 5000);
+
+  return (
+    <UserPositionContext.Provider
+      value={{
+        position,
+        getCurrentPosition,
+        locationStatus,
+        getLocationPermission,
+      }}
+    >
+      {children}
+    </UserPositionContext.Provider>
+  );
+};