geocoding services for react native
| Geocoder Version | RN |
|---|---|
| >=0.5.0 | >= 0.47.0 |
| >=0.4.6 | >= 0.40.0 |
| <0.4.5 | <0.40.0 |
npm install --save react-native-geocoder
- In the XCode's "Project navigator", right click on Libraries folder under your project ➜
Add Files to <...> - Go to
node_modules➜react-native-geocoderand addios/RNGeocoder.xcodeprojfile - Add libRNGeocoder.a to "Build Phases" -> "Link Binary With Libraries"
- In
android/setting.gradle
...
include ':react-native-geocoder', ':app'
project(':react-native-geocoder').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-geocoder/android')- In
android/app/build.gradle
...
dependencies {
...
compile project(':react-native-geocoder')
}- register module (in MainApplication.java)
import com.devfd.RNGeocoder.RNGeocoderPackage; // <--- import
public class MainActivity extends ReactActivity {
......
@Override
protected List<ReactPackage> getPackages() {
return Arrays.<ReactPackage>asList(
new MainReactPackage(),
new RNGeocoderPackage()); // <------ add this
}
......
}import Geocoder from 'react-native-geocoder';
// Position Geocoding
var NY = {
lat: 40.7809261,
lng: -73.9637594
};
Geocoder.geocodePosition(NY).then(res => {
// res is an Array of geocoding object (see below)
})
.catch(err => console.log(err))
// Address Geocoding
Geocoder.geocodeAddress('New York').then(res => {
// res is an Array of geocoding object (see below)
})
.catch(err => console.log(err))
Geocoding services might not be included in some Android devices (Kindle, some 4.1 devices, non-google devices). For those special cases the lib can fallback to the online google maps geocoding service
import Geocoder from 'react-native-geocoder';
// simply add your google key
Geocoder.fallbackToGoogle(MY_KEY);
// use the lib as usual
let ret = await Geocoder.geocodePosition({lat, lng})
// you get the same resultstry {
const res = await Geocoder.geocodePosition(NY);
...
const res = await Geocoder.geocodeAddress('London');
...
}
catch(err) {
console.log(err);
}
both iOS and Android will return the following object:
{
position: {lat, lng},
formattedAddress: String, // the full address
feature: String | null, // ex Yosemite Park, Eiffel Tower
streetNumber: String | null,
streetName: String | null,
postalCode: String | null,
locality: String | null, // city name
country: String,
countryCode: String
adminArea: String | null
subAdminArea: String | null,
subLocality: String | null
}iOS does not allow sending multiple geocoding requests simultaneously, hence if you send a second call, the first one will be cancelled.
geocoding may not work on older android devices (4.1) and will not work if Google play services are not available.
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