v1.1.1 (#16)

* Fix #14 by introducing an artificial delay when delivering the result from the plugin to the consumer.

* Update changelog and pubspec.

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.1.1
+
+* Fix occasional hangs/freezes by introducing a slight artifical delay after getting the result from Facebook login.
+
 ## 1.1.0
 
 * Dart 2 support! There should not be any breaking changes. Please do file issues if you have problems.

lib/flutter_facebook_login.dart

@@ -103,7 +103,8 @@ class FacebookLogin {
       'permissions': permissions,
     });
 
-    return new FacebookLoginResult._(result.cast<String, dynamic>());
+    return _deliverResult(
+        new FacebookLoginResult._(result.cast<String, dynamic>()));
   }
 
   /// Logs the user in with the requested publish permissions.
@@ -129,7 +130,8 @@ class FacebookLogin {
       'permissions': permissions,
     });
 
-    return new FacebookLoginResult._(result.cast<String, dynamic>());
+    return _deliverResult(
+        new FacebookLoginResult._(result.cast<String, dynamic>()));
   }
 
   /// Logs the currently logged in user out.
@@ -165,6 +167,19 @@ class FacebookLogin {
 
     throw new StateError('Invalid login behavior.');
   }
+
+  /// There's a weird bug where calling Navigator.push (or any similar method)
+  /// straight after getting a result from the method channel causes the app
+  /// to hang.
+  ///
+  /// As a hack/workaround, we add a new task to the task queue with a slight
+  /// delay, using the [Future.delayed] constructor.
+  ///
+  /// For more context, see this issue:
+  /// https://github.com/roughike/flutter_facebook_login/issues/14
+  Future<T> _deliverResult<T>(T result) {
+    return new Future.delayed(const Duration(milliseconds: 500), () => result);
+  }
 }
 
 /// Different behaviors for controlling how the Facebook Login dialog should

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_facebook_login
 description: A Flutter plugin for allowing users to authenticate with native Android & iOS Facebook login SDKs.
-version: 1.1.0
+version: 1.1.1
 author: Iiro Krankka <iiro.krankka@gmail.com>
 homepage: https://github.com/roughike/flutter_facebook_login