expo-location ও react-native-maps

npx expo install expo-location

import * as Location from "expo-location";

async function getCurrentPlace() {
  const { status } = await Location.requestForegroundPermissionsAsync();
  if (status !== "granted") return null;
  const pos = await Location.getCurrentPositionAsync({});
  const coord = { lat: pos.coords.latitude, lng: pos.coords.longitude };
  const places = await Location.reverseGeocodeAsync(coord);
  return places[0]?.city ?? places[0]?.name ?? "নিজের স্থান";
}

npx expo install react-native-maps

import MapView, { Marker } from "react-native-maps";

<MapView
  style={{ flex: 1 }}
  initialRegion={{
    latitude: task.lat,
    longitude: task.lng,
    latitudeDelta: 0.01,
    longitudeDelta: 0.01,
  }}
>
  <Marker coordinate={{ latitude: task.lat, longitude: task.lng }} />
</MapView>