Added updateEmail and updatePassword functionality to firebase_auth plugin.

Author: slightfoot

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

@@ -108,6 +108,12 @@ public void onMethodCall(MethodCall call, Result result) {
       case "linkWithFacebookCredential":
         handleLinkWithFacebookCredential(call, result);
         break;
+      case "updateEmail":
+        handleUpdateEmail(call, result);
+        break;
+      case "updatePassword":
+        handleUpdatePassword(call, result);
+        break;
       case "updateProfile":
         handleUpdateProfile(call, result);
         break;
@@ -408,6 +414,24 @@ public void onComplete(@NonNull Task<GetTokenResult> task) {
             });
   }
 
+  private void handleUpdateEmail(MethodCall call, final Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, String> arguments = (Map<String, String>) call.arguments;
+    firebaseAuth
+        .getCurrentUser()
+        .updateEmail(arguments.get("email"))
+        .addOnCompleteListener(new TaskVoidCompleteListener(result));
+  }
+
+  private void handleUpdatePassword(MethodCall call, final Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, String> arguments = (Map<String, String>) call.arguments;
+    firebaseAuth
+        .getCurrentUser()
+        .updatePassword(arguments.get("password"))
+        .addOnCompleteListener(new TaskVoidCompleteListener(result));
+  }
+
   private void handleUpdateProfile(MethodCall call, final Result result) {
     @SuppressWarnings("unchecked")
     Map<String, String> arguments = (Map<String, String>) call.arguments;

packages/firebase_auth/ios/Classes/FirebaseAuthPlugin.m

@@ -172,6 +172,18 @@ - (void)handleMethodCall:(FlutterMethodCall *)call result:(FlutterResult)result
                                         completion:^(FIRUser *user, NSError *error) {
                                           [self sendResult:result forUser:user error:error];
                                         }];
+  } else if ([@"updateEmail" isEqualToString:call.method]) {
+    NSString *email = call.arguments[@"email"];
+    [[FIRAuth auth].currentUser updateEmail:email
+                                 completion:^(NSError *error) {
+                                   [self sendResult:result forUser:nil error:error];
+                                 }];
+  } else if ([@"updatePassword" isEqualToString:call.method]) {
+    NSString *password = call.arguments[@"password"];
+    [[FIRAuth auth].currentUser updatePassword:password
+                                    completion:^(NSError *error) {
+                                      [self sendResult:result forUser:nil error:error];
+                                    }];
   } else if ([@"updateProfile" isEqualToString:call.method]) {
     FIRUserProfileChangeRequest *changeRequest = [[FIRAuth auth].currentUser profileChangeRequest];
     if (call.arguments[@"displayName"]) {

packages/firebase_auth/lib/firebase_auth.dart

@@ -90,6 +90,24 @@ class FirebaseUser extends UserInfo {
     await FirebaseAuth.channel.invokeMethod('reload');
   }
 
+  /// Updates the email address of the user.
+  Future<void> updateEmail(String email) async {
+    assert(email != null);
+    return await FirebaseAuth.channel.invokeMethod(
+      'updateEmail',
+      <String, String>{'email': email},
+    );
+  }
+
+  /// Updates the password of the user.
+  Future<void> updatePassword(String password) async {
+    assert(password != null);
+    return await FirebaseAuth.channel.invokeMethod(
+      'updatePassword',
+      <String, String>{'password': password},
+    );
+  }
+
   @override
   String toString() {
     return '$runtimeType($_data)';