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expo-location

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expo-location

Allows reading geolocation information from the device. Your app can poll for the current location or subscribe to location update events.

  • 8.0.0
  • Source
  • npm
  • Socket score
Version published
Weekly downloads
132K
decreased by-26%
Maintainers
21
Weekly downloads
 
Created

What is expo-location?

The expo-location package provides an API to access and manage the device's location services. It allows you to get the current location, watch for location changes, and geocode or reverse geocode locations.

What are expo-location's main functionalities?

Get Current Location

This feature allows you to get the current location of the device. The code sample demonstrates how to request permission to access location services and then retrieve the current position.

```javascript
import * as Location from 'expo-location';

async function getCurrentLocation() {
  let { status } = await Location.requestForegroundPermissionsAsync();
  if (status !== 'granted') {
    console.log('Permission to access location was denied');
    return;
  }

  let location = await Location.getCurrentPositionAsync({});
  console.log(location);
}
```

Watch Location Changes

This feature allows you to watch for location changes. The code sample demonstrates how to request permission and then set up a watcher that logs the location every time it changes.

```javascript
import * as Location from 'expo-location';

async function watchLocation() {
  let { status } = await Location.requestForegroundPermissionsAsync();
  if (status !== 'granted') {
    console.log('Permission to access location was denied');
    return;
  }

  Location.watchPositionAsync({
    accuracy: Location.Accuracy.High,
    timeInterval: 1000,
    distanceInterval: 1,
  }, (location) => {
    console.log(location);
  });
}
```

Geocoding

This feature allows you to convert an address into geographic coordinates. The code sample demonstrates how to use the geocodeAsync method to get the coordinates of a given address.

```javascript
import * as Location from 'expo-location';

async function geocodeAddress(address) {
  let geocode = await Location.geocodeAsync(address);
  console.log(geocode);
}
```

Reverse Geocoding

This feature allows you to convert geographic coordinates into a human-readable address. The code sample demonstrates how to use the reverseGeocodeAsync method to get the address of a given set of coordinates.

```javascript
import * as Location from 'expo-location';

async function reverseGeocodeLocation(latitude, longitude) {
  let reverseGeocode = await Location.reverseGeocodeAsync({ latitude, longitude });
  console.log(reverseGeocode);
}
```

Other packages similar to expo-location

    react-native-geolocation-service

    The react-native-geolocation-service package provides similar functionality to expo-location, allowing you to get the current location, watch for location changes, and more. It is a more direct wrapper around the native geolocation APIs and may offer more control and customization options.

    react-native-location

    The react-native-location package offers similar features to expo-location, including getting the current location and watching for location changes. It also provides additional features like background location updates, which can be useful for certain types of applications.

    react-native-maps

    The react-native-maps package is primarily used for rendering maps, but it also includes location tracking features. It can be a good choice if you need both mapping and location services in your application.

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Package last updated on 02 Dec 2019

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