[config] Added setDefaultsFromResource method

android/src/main/java/io/invertase/firebase/config/RNFirebaseRemoteConfig.java

@@ -110,6 +110,11 @@ public class RNFirebaseRemoteConfig extends ReactContextBaseJavaModule {
     FirebaseRemoteConfig.getInstance().setDefaults(convertedMap);
   }
 
+  @ReactMethod
+  public void setDefaultsFromResource(int resourceId) {
+    FirebaseRemoteConfig.getInstance().setDefaults(resourceId);
+  }
+
   private void fetchInternal(final Promise promise, Boolean withExpiration, long expirationDuration) {
     FirebaseRemoteConfig.getInstance().fetch(withExpiration ? expirationDuration : 43200) // 12 hours default
       .addOnCompleteListener(new OnCompleteListener<Void>() {

docs/modules/config.md

@@ -98,10 +98,24 @@ Returns all keys as an array by a prefix. If no prefix is defined all keys are r
 firebase.config()
   .getKeysByPrefix()
   .then((keys) => {
-
+    console.log('Current keys: ', keys);
   });
 ```
 
+### setDefaultsFromResource(filename: `String`)
+
+Sets the default values from a resource:
+
+* Android: Id for the XML resource, which should be in your application's res/xml folder.
+* iOS: The plist file name, with no file name extension
+
+```js
+// Anrdoid
+firebase.config().setDefaultsFromResource(1337);
+// iOS
+firebase.config().setDefaultsFromResource('configDefaults');
+```
+
 ## Usage
 
 ```js

ios/RNFirebase/RNFirebaseRemoteConfig.m

@@ -145,7 +145,7 @@ RCT_EXPORT_METHOD(setDefaults:(NSDictionary *)defaults)
     [self.remoteConfig setDefaults:defaults];
 }
 
-RCT_EXPORT_METHOD(setDefaultsFromPlistFileName:(NSString *)fileName)
+RCT_EXPORT_METHOD(setDefaultsFromResource:(NSString *)fileName)
 {
     [self.remoteConfig setDefaultsFromPlistFileName:fileName];
 }

lib/modules/config/index.js

@@ -38,8 +38,8 @@ export default class RemoteConfig extends Base {
   }
 
   /**
-  * Enable Remote Config developer mode to allow for frequent refreshes of the cache
-  */
+   * Enable Remote Config developer mode to allow for frequent refreshes of the cache
+   */
   enableDeveloperMode() {
     if (!this.developerModeEnabled) {
       this.log.debug('Enabled developer mode');
@@ -137,9 +137,9 @@ export default class RemoteConfig extends Base {
 
   /**
    * Sets default configs from plist for default namespace;
-   * @param filename: The plist file name, with no file name extension
+   * @param resource: The plist file name or resource ID
    */
-  setDefaultsFromPlistFileName(filename: String) {
-    FirebaseRemoteConfig.setDefaultsFromPlistFileName(filename);
+  setDefaultsFromResource(resource: String | number) {
+    FirebaseRemoteConfig.setDefaultsFromResource(resource);
   }
 }