Support updateEmail in firebase_auth

AUTHORS

@@ -14,5 +14,7 @@ Hayden Flinner <haydenflinner@gmail.com>
 Stefano Rodriguez <hlsroddy@gmail.com>
 Salvatore Giordano <salvatoregiordanoo@gmail.com>
 Brian Armstrong <brian@flutter.institute>
-Fabricio Nogueira <feufeu@gmail.com> 
+Fabricio Nogueira <feufeu@gmail.com>
 Simon Lightfoot <simon@devangels.london>
+Ashton Thomas <ashton@acrinta.com>
+Thomas Danner <thmsdnnr@gmail.com>

packages/firebase_auth/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.18
+
+* Adding support for updateEmail in FirebaseAuth.
+
 ## 0.5.17
 
 * Adding support for FirebaseUser.delete. 

packages/firebase_auth/android/src/main/java/io/flutter/plugins/firebaseauth/FirebaseAuthPlugin.java

@@ -114,6 +114,9 @@ public void onMethodCall(MethodCall call, Result result) {
       case "updateProfile":
         handleUpdateProfile(call, result);
         break;
+      case "updateEmail":
+        handleUpdateEmail(call, result);
+        break;
       case "startListeningAuthState":
         handleStartListeningAuthState(call, result);
         break;
@@ -450,6 +453,28 @@ public void onComplete(@NonNull Task<Void> task) {
             });
   }
 
+  private void handleUpdateEmail(MethodCall call, final Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, String> arguments = (Map<String, String>) call.arguments;
+    String email = arguments.get("email");
+
+    firebaseAuth
+        .getCurrentUser()
+        .updateEmail(email)
+        .addOnCompleteListener(
+            new OnCompleteListener<Void>() {
+              @Override
+              public void onComplete(@NonNull Task<Void> task) {
+                if (!task.isSuccessful()) {
+                  Exception e = task.getException();
+                  result.error(ERROR_REASON_EXCEPTION, e.getMessage(), null);
+                } else {
+                  result.success(null);
+                }
+              }
+            });
+  }
+
   private void handleStartListeningAuthState(MethodCall call, final Result result) {
     final int handle = nextHandle++;
     FirebaseAuth.AuthStateListener listener =

packages/firebase_auth/ios/Classes/FirebaseAuthPlugin.m

@@ -187,6 +187,12 @@ - (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result
     [changeRequest commitChangesWithCompletion:^(NSError *error) {
       [self sendResult:result forUser:nil error:error];
     }];
+  } else if ([@"updateEmail" isEqualToString:call.method]) {
+    NSString *toEmail = call.arguments[@"email"];
+    [[FIRAuth auth].currentUser updateEmail:toEmail
+                                 completion:^(NSError *_Nullable error) {
+                                   [self sendResult:result forUser:nil error:error];
+                                 }];
   } else if ([@"signInWithCustomToken" isEqualToString:call.method]) {
     NSString *token = call.arguments[@"token"];
     [[FIRAuth auth] signInWithCustomToken:token

packages/firebase_auth/lib/firebase_auth.dart

@@ -369,6 +369,18 @@ class FirebaseAuth {
     return currentUser;
   }
 
+  Future<void> updateEmail({
+    @required String email,
+  }) async {
+    assert(email != null);
+    return await channel.invokeMethod(
+      'updateEmail',
+      <String, String>{
+        'email': email,
+      },
+    );
+  }
+
   Future<void> updateProfile(UserUpdateInfo userUpdateInfo) async {
     assert(userUpdateInfo != null);
     return await channel.invokeMethod(

packages/firebase_auth/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flutter plugin for Firebase Auth, enabling Android and iOS
   like Google, Facebook and Twitter.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/firebase_auth
-version: 0.5.17
+version: 0.5.18
 
 flutter:
   plugin:

packages/firebase_auth/test/firebase_auth_test.dart

@@ -44,6 +44,9 @@ void main() {
           case "updateProfile":
             return null;
             break;
+          case "updateEmail":
+            return null;
+            break;
           case "fetchProvidersForEmail":
             return new List<String>(0);
             break;
@@ -373,6 +376,20 @@ void main() {
       ]);
     });
 
+    test('updateEmail', () async {
+      final String updatedEmail = 'atestemail@gmail.com';
+      auth.updateEmail(email: updatedEmail);
+      expect(
+        log,
+        <Matcher>[
+          isMethodCall(
+            'updateEmail',
+            arguments: <String, String>{'email': updatedEmail},
+          ),
+        ],
+      );
+    });
+
     test('signInWithCustomToken', () async {
       final FirebaseUser user =
           await auth.signInWithCustomToken(token: kMockCustomToken);