add support language

js/geocoder.js

@@ -5,30 +5,49 @@ const { RNGeocoder } = NativeModules;
 
 export default {
   apiKey: null,
+  language: 'en',
+  onlyGoogle: false,
 
   fallbackToGoogle(key) {
     this.apiKey = key;
   },
 
+  setLanguage(lang) {
+    this.language = lang
+  },
+
+  setGoogle(state) {
+    this.onlyGoogle = state
+  },
+
   geocodePosition(position) {
     if (!position || !position.lat || !position.lng) {
       return Promise.reject(new Error("invalid position: {lat, lng} required"));
     }
 
-    return RNGeocoder.geocodePosition(position).catch(err => {
+    if (this.setGoogle) {
       if (!this.apiKey) { throw err; }
-      return GoogleApi.geocodePosition(this.apiKey, position);
-    });
+      return GoogleApi.geocodePosition(this.apiKey, position, this.language);
+    } else {
+      return RNGeocoder.geocodePosition(position).catch(err => {
+        if (!this.apiKey) { throw err; }
+        return GoogleApi.geocodePosition(this.apiKey, position, this.language);
+      });
+    }
   },
 
   geocodeAddress(address) {
     if (!address) {
       return Promise.reject(new Error("address is null"));
     }
 
-    return RNGeocoder.geocodeAddress(address).catch(err => {
-      if (!this.apiKey) { throw err; }
-      return GoogleApi.geocodeAddress(this.apiKey, address);
-    });
+    if (this.setGoogle) {
+      return GoogleApi.geocodeAddress(this.apiKey, address, this.language);
+    } else {
+      return RNGeocoder.geocodeAddress(address).catch(err => {
+        if (!this.apiKey) { throw err; }
+        return GoogleApi.geocodeAddress(this.apiKey, address, this.language);
+      });
+    }
   },
 }

js/googleApi.js

@@ -58,20 +58,20 @@ function format(raw) {
 }
 
 export default {
-  geocodePosition(apiKey, position) {
+  geocodePosition(apiKey, position, language) {
     if (!apiKey || !position || !position.lat || !position.lng) {
       return Promise.reject(new Error("invalid apiKey / position"));
     }
 
-    return this.geocodeRequest(`${googleUrl}?key=${apiKey}&latlng=${position.lat},${position.lng}`);
+    return this.geocodeRequest(`${googleUrl}?key=${apiKey}&latlng=${position.lat},${position.lng}&language=${language}`);
   },
 
-  geocodeAddress(apiKey, address) {
+  geocodeAddress(apiKey, address, language) {
     if (!apiKey || !address) {
       return Promise.reject(new Error("invalid apiKey / address"));
     }
 
-    return this.geocodeRequest(`${googleUrl}?key=${apiKey}&address=${encodeURI(address)}`);
+    return this.geocodeRequest(`${googleUrl}?key=${apiKey}&address=${encodeURI(address)}&language=${language}`);
   },
 
   async geocodeRequest(url) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-geocoder",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "react native geocoding and reverse geocoding",
   "main": "index.js",
   "scripts": {