diff --git a/.gitignore b/.gitignore
index 98a0412..d25db5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ packages
 pubspec.lock
 
 example/ios/Flutter/flutter_export_environment.sh
+example/.flutter-plugins-dependencies
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d14afb8..013a4aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [1.0.10] - 31/12/2019
+* allow guest login
+
+## [1.0.9] - 30/12/2019
+* update dependencies
+
 ## [1.0.8] - 02/10/2019
 * update dependencies
 
@@ -44,10 +50,10 @@
 * improve UI
 
 ## [0.0.7] - 04/07/2018
-* fixe sign in with mail 
+* fixe sign in with mail
 
 ## [0.0.6] - 30/05/2018
-* improve show dialog error 
+* improve show dialog error
 
 ## [0.0.5] - 29/05/2018
 * show error occured on unknown errors
@@ -64,9 +70,8 @@
 ## [0.0.2] - 20/03/2018
 
 * improve ui
-* change firebase_auth version 
+* change firebase_auth version
 
 ## [0.0.1] - 19/03/2018
 
 * initial release
-
diff --git a/README.md b/README.md
index 0ad924b..63839b2 100644
--- a/README.md
+++ b/README.md
@@ -5,10 +5,10 @@
 
 Fork of https://pub.dartlang.org/packages/flutter_firebase_ui
 
-Old package wasnt being maintained so i created this one to update.
+Old package wasn't being maintained so I created this one to update.
 
 firebase_ui is a library that helps you to quickly implement firebase authentication.
-It provides UI for the common identity providers like Facebook, Google, Twitter and email. 
+It provides UI for the common identity providers like Facebook, Google, Twitter and email.
 
 Note: this plugin use firebase_auth you must configure it as describe [here](https://pub.dartlang.org/packages/firebase_auth).
 
diff --git a/example/android/build.gradle b/example/android/build.gradle
index 3bc426c..7d6ab38 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -5,8 +5,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
-        classpath 'com.google.gms:google-services:3.2.1' // google-services plugin
+        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.google.gms:google-services:4.3.3' // google-services plugin
     }
 }
 
@@ -21,10 +21,9 @@ allprojects {
 }
 
 rootProject.buildDir = '../build'
+
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
-}
-subprojects {
     project.evaluationDependsOn(':app')
 }
 
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index 53ae0ae..b6e61b6 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1,3 +1,4 @@
 android.enableJetifier=true
 android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index b6136f9..d9ba5b1 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/example/flutter_01.log b/example/flutter_01.log
deleted file mode 100644
index 603ce4f..0000000
--- a/example/flutter_01.log
+++ /dev/null
@@ -1,121 +0,0 @@
-Flutter crash report; please file at https://github.com/flutter/flutter/issues.
-
-## command
-
-flutter run --machine -t lib/main.dart -d C3A78E12-98C5-4CD6-8E3C-599D7A03250D --start-paused --track-widget-creation
-
-## exception
-
-YamlException: Error on line 38, column 3: Expected a key while parsing a block mapping.
-  - assets/twitter-logo.png
-  ^
-
-```
-#0      Parser._parseBlockMappingKey (package:yaml/src/parser.dart:448:5)
-#1      Parser._stateMachine (package:yaml/src/parser.dart:86:16)
-#2      Parser.parse (package:yaml/src/parser.dart:47:19)
-#3      Loader._loadMapping (package:yaml/src/loader.dart:171:23)
-#4      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#5      Loader._loadMapping (package:yaml/src/loader.dart:165:19)
-#6      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#7      Loader._loadDocument (package:yaml/src/loader.dart:62:20)
-#8      Loader.load (package:yaml/src/loader.dart:54:20)
-#9      loadYamlDocument (package:yaml/yaml.dart:51:25)
-#10     loadYamlNode (package:yaml/yaml.dart:42:5)
-#11     loadYaml (package:yaml/yaml.dart:34:5)
-#12     _pluginFromPubspec (package:flutter_tools/src/plugins.dart:62:27)
-#13     findPlugins.<anonymous closure> (package:flutter_tools/src/plugins.dart:85:27)
-#14     __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:370:8)
-#15     findPlugins (package:flutter_tools/src/plugins.dart:83:12)
-#16     refreshPluginsList (package:flutter_tools/src/plugins.dart:287:32)
-#17     FlutterProject.ensureReadyForPlatformSpecificTooling (package:flutter_tools/src/project.dart:139:5)
-<asynchronous suspension>
-#18     FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:388:21)
-<asynchronous suspension>
-#19     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:334:33)
-<asynchronous suspension>
-#20     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#21     _rootRun (dart:async/zone.dart:1124:13)
-#22     _CustomZone.run (dart:async/zone.dart:1021:19)
-#23     _runZoned (dart:async/zone.dart:1516:10)
-#24     runZoned (dart:async/zone.dart:1463:12)
-#25     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#26     FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:325:20)
-#27     CommandRunner.runCommand (package:args/command_runner.dart:196:27)
-<asynchronous suspension>
-#28     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:401:21)
-<asynchronous suspension>
-#29     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#30     _rootRun (dart:async/zone.dart:1124:13)
-#31     _CustomZone.run (dart:async/zone.dart:1021:19)
-#32     _runZoned (dart:async/zone.dart:1516:10)
-#33     runZoned (dart:async/zone.dart:1463:12)
-#34     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#35     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:361:19)
-<asynchronous suspension>
-#36     CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:111:29)
-#37     new Future.sync (dart:async/future.dart:224:31)
-#38     CommandRunner.run (package:args/command_runner.dart:111:11)
-#39     FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:241:18)
-#40     run.<anonymous closure> (package:flutter_tools/runner.dart:60:20)
-<asynchronous suspension>
-#41     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#42     _rootRun (dart:async/zone.dart:1124:13)
-#43     _CustomZone.run (dart:async/zone.dart:1021:19)
-#44     _runZoned (dart:async/zone.dart:1516:10)
-#45     runZoned (dart:async/zone.dart:1463:12)
-#46     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#47     runInContext (package:flutter_tools/src/context_runner.dart:44:24)
-<asynchronous suspension>
-#48     run (package:flutter_tools/runner.dart:51:10)
-#49     main (package:flutter_tools/executable.dart:51:9)
-<asynchronous suspension>
-#50     main (file:///Users/kylyu/development/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3)
-#51     _startIsolate.<anonymous closure> (dart:isolate/runtime/libisolate_patch.dart:287:32)
-#52     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)
-```
-
-## flutter doctor
-
-```
-[✓] Flutter (Channel beta, v0.11.3, on Mac OS X 10.14 18A389, locale fr-FR)
-    • Flutter version 0.11.3 at /Users/kylyu/development/flutter
-    • Framework revision 72bf075e8d (6 days ago), 2018-11-09 20:36:17 -0800
-    • Engine revision 5646e86a6f
-    • Dart version 2.1.0 (build 2.1.0-dev.9.3 9c07fb64c4)
-
-[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
-    • Android SDK at /Users/kylyu/Library/Android/sdk
-    • Android NDK location not configured (optional; useful for native profiling support)
-    • Platform android-28, build-tools 28.0.3
-    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-    • All Android licenses accepted.
-
-[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
-    • Xcode at /Applications/Xcode.app/Contents/Developer
-    • Xcode 10.1, Build version 10B61
-    • ios-deploy 2.0.0
-    • CocoaPods version 1.5.3
-
-[✓] Android Studio (version 3.2)
-    • Android Studio at /Applications/Android Studio.app/Contents
-    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
-    ✗ Dart plugin not installed; this adds Dart specific functionality.
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-
-[✓] VS Code (version 1.29.0)
-    • VS Code at /Applications/Visual Studio Code.app/Contents
-    • Flutter extension version 2.20.0
-
-[✓] Connected device (1 available)
-    • iPhone XR • C3A78E12-98C5-4CD6-8E3C-599D7A03250D • ios • iOS 12.1 (simulator)
-
-• No issues found!
-```
diff --git a/example/flutter_02.log b/example/flutter_02.log
deleted file mode 100644
index 603ce4f..0000000
--- a/example/flutter_02.log
+++ /dev/null
@@ -1,121 +0,0 @@
-Flutter crash report; please file at https://github.com/flutter/flutter/issues.
-
-## command
-
-flutter run --machine -t lib/main.dart -d C3A78E12-98C5-4CD6-8E3C-599D7A03250D --start-paused --track-widget-creation
-
-## exception
-
-YamlException: Error on line 38, column 3: Expected a key while parsing a block mapping.
-  - assets/twitter-logo.png
-  ^
-
-```
-#0      Parser._parseBlockMappingKey (package:yaml/src/parser.dart:448:5)
-#1      Parser._stateMachine (package:yaml/src/parser.dart:86:16)
-#2      Parser.parse (package:yaml/src/parser.dart:47:19)
-#3      Loader._loadMapping (package:yaml/src/loader.dart:171:23)
-#4      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#5      Loader._loadMapping (package:yaml/src/loader.dart:165:19)
-#6      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#7      Loader._loadDocument (package:yaml/src/loader.dart:62:20)
-#8      Loader.load (package:yaml/src/loader.dart:54:20)
-#9      loadYamlDocument (package:yaml/yaml.dart:51:25)
-#10     loadYamlNode (package:yaml/yaml.dart:42:5)
-#11     loadYaml (package:yaml/yaml.dart:34:5)
-#12     _pluginFromPubspec (package:flutter_tools/src/plugins.dart:62:27)
-#13     findPlugins.<anonymous closure> (package:flutter_tools/src/plugins.dart:85:27)
-#14     __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:370:8)
-#15     findPlugins (package:flutter_tools/src/plugins.dart:83:12)
-#16     refreshPluginsList (package:flutter_tools/src/plugins.dart:287:32)
-#17     FlutterProject.ensureReadyForPlatformSpecificTooling (package:flutter_tools/src/project.dart:139:5)
-<asynchronous suspension>
-#18     FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:388:21)
-<asynchronous suspension>
-#19     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:334:33)
-<asynchronous suspension>
-#20     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#21     _rootRun (dart:async/zone.dart:1124:13)
-#22     _CustomZone.run (dart:async/zone.dart:1021:19)
-#23     _runZoned (dart:async/zone.dart:1516:10)
-#24     runZoned (dart:async/zone.dart:1463:12)
-#25     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#26     FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:325:20)
-#27     CommandRunner.runCommand (package:args/command_runner.dart:196:27)
-<asynchronous suspension>
-#28     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:401:21)
-<asynchronous suspension>
-#29     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#30     _rootRun (dart:async/zone.dart:1124:13)
-#31     _CustomZone.run (dart:async/zone.dart:1021:19)
-#32     _runZoned (dart:async/zone.dart:1516:10)
-#33     runZoned (dart:async/zone.dart:1463:12)
-#34     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#35     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:361:19)
-<asynchronous suspension>
-#36     CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:111:29)
-#37     new Future.sync (dart:async/future.dart:224:31)
-#38     CommandRunner.run (package:args/command_runner.dart:111:11)
-#39     FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:241:18)
-#40     run.<anonymous closure> (package:flutter_tools/runner.dart:60:20)
-<asynchronous suspension>
-#41     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#42     _rootRun (dart:async/zone.dart:1124:13)
-#43     _CustomZone.run (dart:async/zone.dart:1021:19)
-#44     _runZoned (dart:async/zone.dart:1516:10)
-#45     runZoned (dart:async/zone.dart:1463:12)
-#46     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#47     runInContext (package:flutter_tools/src/context_runner.dart:44:24)
-<asynchronous suspension>
-#48     run (package:flutter_tools/runner.dart:51:10)
-#49     main (package:flutter_tools/executable.dart:51:9)
-<asynchronous suspension>
-#50     main (file:///Users/kylyu/development/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3)
-#51     _startIsolate.<anonymous closure> (dart:isolate/runtime/libisolate_patch.dart:287:32)
-#52     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)
-```
-
-## flutter doctor
-
-```
-[✓] Flutter (Channel beta, v0.11.3, on Mac OS X 10.14 18A389, locale fr-FR)
-    • Flutter version 0.11.3 at /Users/kylyu/development/flutter
-    • Framework revision 72bf075e8d (6 days ago), 2018-11-09 20:36:17 -0800
-    • Engine revision 5646e86a6f
-    • Dart version 2.1.0 (build 2.1.0-dev.9.3 9c07fb64c4)
-
-[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
-    • Android SDK at /Users/kylyu/Library/Android/sdk
-    • Android NDK location not configured (optional; useful for native profiling support)
-    • Platform android-28, build-tools 28.0.3
-    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-    • All Android licenses accepted.
-
-[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
-    • Xcode at /Applications/Xcode.app/Contents/Developer
-    • Xcode 10.1, Build version 10B61
-    • ios-deploy 2.0.0
-    • CocoaPods version 1.5.3
-
-[✓] Android Studio (version 3.2)
-    • Android Studio at /Applications/Android Studio.app/Contents
-    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
-    ✗ Dart plugin not installed; this adds Dart specific functionality.
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-
-[✓] VS Code (version 1.29.0)
-    • VS Code at /Applications/Visual Studio Code.app/Contents
-    • Flutter extension version 2.20.0
-
-[✓] Connected device (1 available)
-    • iPhone XR • C3A78E12-98C5-4CD6-8E3C-599D7A03250D • ios • iOS 12.1 (simulator)
-
-• No issues found!
-```
diff --git a/example/flutter_03.log b/example/flutter_03.log
deleted file mode 100644
index 603ce4f..0000000
--- a/example/flutter_03.log
+++ /dev/null
@@ -1,121 +0,0 @@
-Flutter crash report; please file at https://github.com/flutter/flutter/issues.
-
-## command
-
-flutter run --machine -t lib/main.dart -d C3A78E12-98C5-4CD6-8E3C-599D7A03250D --start-paused --track-widget-creation
-
-## exception
-
-YamlException: Error on line 38, column 3: Expected a key while parsing a block mapping.
-  - assets/twitter-logo.png
-  ^
-
-```
-#0      Parser._parseBlockMappingKey (package:yaml/src/parser.dart:448:5)
-#1      Parser._stateMachine (package:yaml/src/parser.dart:86:16)
-#2      Parser.parse (package:yaml/src/parser.dart:47:19)
-#3      Loader._loadMapping (package:yaml/src/loader.dart:171:23)
-#4      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#5      Loader._loadMapping (package:yaml/src/loader.dart:165:19)
-#6      Loader._loadNode (package:yaml/src/loader.dart:86:16)
-#7      Loader._loadDocument (package:yaml/src/loader.dart:62:20)
-#8      Loader.load (package:yaml/src/loader.dart:54:20)
-#9      loadYamlDocument (package:yaml/yaml.dart:51:25)
-#10     loadYamlNode (package:yaml/yaml.dart:42:5)
-#11     loadYaml (package:yaml/yaml.dart:34:5)
-#12     _pluginFromPubspec (package:flutter_tools/src/plugins.dart:62:27)
-#13     findPlugins.<anonymous closure> (package:flutter_tools/src/plugins.dart:85:27)
-#14     __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:370:8)
-#15     findPlugins (package:flutter_tools/src/plugins.dart:83:12)
-#16     refreshPluginsList (package:flutter_tools/src/plugins.dart:287:32)
-#17     FlutterProject.ensureReadyForPlatformSpecificTooling (package:flutter_tools/src/project.dart:139:5)
-<asynchronous suspension>
-#18     FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:388:21)
-<asynchronous suspension>
-#19     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:334:33)
-<asynchronous suspension>
-#20     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#21     _rootRun (dart:async/zone.dart:1124:13)
-#22     _CustomZone.run (dart:async/zone.dart:1021:19)
-#23     _runZoned (dart:async/zone.dart:1516:10)
-#24     runZoned (dart:async/zone.dart:1463:12)
-#25     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#26     FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:325:20)
-#27     CommandRunner.runCommand (package:args/command_runner.dart:196:27)
-<asynchronous suspension>
-#28     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:401:21)
-<asynchronous suspension>
-#29     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#30     _rootRun (dart:async/zone.dart:1124:13)
-#31     _CustomZone.run (dart:async/zone.dart:1021:19)
-#32     _runZoned (dart:async/zone.dart:1516:10)
-#33     runZoned (dart:async/zone.dart:1463:12)
-#34     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#35     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:361:19)
-<asynchronous suspension>
-#36     CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:111:29)
-#37     new Future.sync (dart:async/future.dart:224:31)
-#38     CommandRunner.run (package:args/command_runner.dart:111:11)
-#39     FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:241:18)
-#40     run.<anonymous closure> (package:flutter_tools/runner.dart:60:20)
-<asynchronous suspension>
-#41     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142:29)
-<asynchronous suspension>
-#42     _rootRun (dart:async/zone.dart:1124:13)
-#43     _CustomZone.run (dart:async/zone.dart:1021:19)
-#44     _runZoned (dart:async/zone.dart:1516:10)
-#45     runZoned (dart:async/zone.dart:1463:12)
-#46     AppContext.run (package:flutter_tools/src/base/context.dart:141:18)
-<asynchronous suspension>
-#47     runInContext (package:flutter_tools/src/context_runner.dart:44:24)
-<asynchronous suspension>
-#48     run (package:flutter_tools/runner.dart:51:10)
-#49     main (package:flutter_tools/executable.dart:51:9)
-<asynchronous suspension>
-#50     main (file:///Users/kylyu/development/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3)
-#51     _startIsolate.<anonymous closure> (dart:isolate/runtime/libisolate_patch.dart:287:32)
-#52     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:171:12)
-```
-
-## flutter doctor
-
-```
-[✓] Flutter (Channel beta, v0.11.3, on Mac OS X 10.14 18A389, locale fr-FR)
-    • Flutter version 0.11.3 at /Users/kylyu/development/flutter
-    • Framework revision 72bf075e8d (6 days ago), 2018-11-09 20:36:17 -0800
-    • Engine revision 5646e86a6f
-    • Dart version 2.1.0 (build 2.1.0-dev.9.3 9c07fb64c4)
-
-[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
-    • Android SDK at /Users/kylyu/Library/Android/sdk
-    • Android NDK location not configured (optional; useful for native profiling support)
-    • Platform android-28, build-tools 28.0.3
-    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-    • All Android licenses accepted.
-
-[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)
-    • Xcode at /Applications/Xcode.app/Contents/Developer
-    • Xcode 10.1, Build version 10B61
-    • ios-deploy 2.0.0
-    • CocoaPods version 1.5.3
-
-[✓] Android Studio (version 3.2)
-    • Android Studio at /Applications/Android Studio.app/Contents
-    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
-    ✗ Dart plugin not installed; this adds Dart specific functionality.
-    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
-
-[✓] VS Code (version 1.29.0)
-    • VS Code at /Applications/Visual Studio Code.app/Contents
-    • Flutter extension version 2.20.0
-
-[✓] Connected device (1 available)
-    • iPhone XR • C3A78E12-98C5-4CD6-8E3C-599D7A03250D • ios • iOS 12.1 (simulator)
-
-• No issues found!
-```
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 678b59e..bc30f29 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -77,12 +77,13 @@ class _MyHomePageState extends State<MyHomePage> {
         // horizontalPadding: 8,
         bottomPadding: 5,
         avoidBottomInset: true,
-        color: Color(0xFF363636),
+        color: Color(0x33363636),
         providers: [
           ProvidersTypes.google,
           ProvidersTypes.facebook,
           ProvidersTypes.twitter,
-          ProvidersTypes.email
+          ProvidersTypes.email,
+          ProvidersTypes.guest,
         ],
         twitterConsumerKey: "",
         twitterConsumerSecret: "", horizontalPadding: 12,
diff --git a/lib/l10n/localization.dart b/lib/l10n/localization.dart
index 9d09bb5..807d43c 100644
--- a/lib/l10n/localization.dart
+++ b/lib/l10n/localization.dart
@@ -51,6 +51,7 @@ class FFULocalizations {
   String get signInGoogle => _translationBundle.signInGoogle;
   String get signInEmail => _translationBundle.signInEmail;
   String get signInTwitter => _translationBundle.signInTwitter;
+  String get signInGuest => _translationBundle.signInGuest;
 
   String get errorOccurred => _translationBundle.errorOccurred;
 
diff --git a/lib/l10n/translations.dart b/lib/l10n/translations.dart
index 9a06409..6edcf8a 100644
--- a/lib/l10n/translations.dart
+++ b/lib/l10n/translations.dart
@@ -44,6 +44,7 @@ class TranslationBundle {
   String get signInGoogle => parent?.signInGoogle;
   String get signInEmail => parent?.signInEmail;
   String get signInTwitter => parent?.signInTwitter;
+  String get signInGuest => parent?.signInGuest;
 
   String get errorOccurred => parent?.errorOccurred;
 
@@ -135,6 +136,9 @@ Connectez-vous avec $providerName pour continuer.''';
 
   @override
   String get signInTwitter => r'Connexion avec Twitter';
+
+  @override
+  String get signInGuest => r"Continuer en tant qu'invité";
 }
 
 // ignore: camel_case_types
@@ -217,6 +221,9 @@ Sign in with $providerName to continue.''';
 
   @override
   String get signInTwitter => r'Sign in with Twitter';
+
+  @override
+  String get signInGuest => r"Continue as a guest";
 }
 
 // ignore: camel_case_types
@@ -299,6 +306,9 @@ Mit $providerName anmelden um fortzufarhen.''';
 
   @override
   String get signInTwitter => r'Mit Twitter anmelden';
+
+  @override
+  String get signInGuest => r"Als Gast fortfahren";
 }
 
 // ignore: camel_case_types
@@ -378,6 +388,9 @@ Faça login com o $providerName para continuar.''';
 
   @override
   String get signInEmail => r'Login com o e-mail';
+
+  @override
+  String get signInGuest => r"Continuar como convidado";
 }
 
 // ignore: camel_case_types
@@ -459,6 +472,9 @@ Entra con $providerName para continuar.''';
   @override
   String get signInTwitter => r'Entrar con Twitter';
 }
+  @override
+  String get signInGuest => r"Continua como invitado";
+
 
 TranslationBundle translationBundleForLocale(Locale locale) {
   switch (locale.languageCode) {
diff --git a/lib/login_view.dart b/lib/login_view.dart
index b980135..39d5bcf 100644
--- a/lib/login_view.dart
+++ b/lib/login_view.dart
@@ -33,8 +33,7 @@ class _LoginViewState extends State<LoginView> {
   Map<ProvidersTypes, ButtonDescription> _buttons;
 
   _handleEmailSignIn() async {
-    String value = await Navigator.of(context)
-        .push(new MaterialPageRoute<String>(builder: (BuildContext context) {
+    String value = await Navigator.of(context).push(new MaterialPageRoute<String>(builder: (BuildContext context) {
       return new EmailView(widget.passwordCheck);
     }));
 
@@ -43,14 +42,24 @@ class _LoginViewState extends State<LoginView> {
     }
   }
 
+  _handleGuestSignIn() async {
+    try {
+      AuthResult authResult = await _auth.signInAnonymously();
+      FirebaseUser user = authResult.user;
+      print(user);
+    } catch (e) {
+      showErrorDialog(context, e.details ?? e.message);
+    }
+  }
+
   _handleGoogleSignIn() async {
     GoogleSignInAccount googleUser = await googleSignIn.signIn();
     if (googleUser != null) {
       GoogleSignInAuthentication googleAuth = await googleUser.authentication;
       if (googleAuth.accessToken != null) {
         try {
-          AuthCredential credential = GoogleAuthProvider.getCredential(
-              idToken: googleAuth.idToken, accessToken: googleAuth.accessToken);
+          AuthCredential credential =
+              GoogleAuthProvider.getCredential(idToken: googleAuth.idToken, accessToken: googleAuth.accessToken);
           AuthResult authResult = await _auth.signInWithCredential(credential);
           FirebaseUser user = authResult.user;
           print(user);
@@ -62,12 +71,10 @@ class _LoginViewState extends State<LoginView> {
   }
 
   _handleFacebookSignin() async {
-    FacebookLoginResult result =
-        await facebookLogin.logIn(['email']);
+    FacebookLoginResult result = await facebookLogin.logIn(['email']);
     if (result.accessToken != null) {
       try {
-        AuthCredential credential = FacebookAuthProvider.getCredential(
-            accessToken: result.accessToken.token);
+        AuthCredential credential = FacebookAuthProvider.getCredential(accessToken: result.accessToken.token);
         AuthResult authResult = await _auth.signInWithCredential(credential);
         FirebaseUser user = authResult.user;
         print(user);
@@ -87,9 +94,8 @@ class _LoginViewState extends State<LoginView> {
 
     switch (result.status) {
       case TwitterLoginStatus.loggedIn:
-        AuthCredential credential = TwitterAuthProvider.getCredential(
-            authToken: result.session.token,
-            authTokenSecret: result.session.secret);
+        AuthCredential credential =
+            TwitterAuthProvider.getCredential(authToken: result.session.token, authTokenSecret: result.session.secret);
         await _auth.signInWithCredential(credential);
         break;
       case TwitterLoginStatus.cancelledByUser:
@@ -105,16 +111,15 @@ class _LoginViewState extends State<LoginView> {
   Widget build(BuildContext context) {
     _buttons = {
       ProvidersTypes.facebook:
-          providersDefinitions(context)[ProvidersTypes.facebook]
-              .copyWith(onSelected: _handleFacebookSignin),
+          providersDefinitions(context)[ProvidersTypes.facebook].copyWith(onSelected: _handleFacebookSignin),
       ProvidersTypes.google:
-          providersDefinitions(context)[ProvidersTypes.google]
-              .copyWith(onSelected: _handleGoogleSignIn),
+          providersDefinitions(context)[ProvidersTypes.google].copyWith(onSelected: _handleGoogleSignIn),
       ProvidersTypes.twitter:
-          providersDefinitions(context)[ProvidersTypes.twitter]
-              .copyWith(onSelected: _handleTwitterSignin),
-      ProvidersTypes.email: providersDefinitions(context)[ProvidersTypes.email]
-          .copyWith(onSelected: _handleEmailSignIn),
+          providersDefinitions(context)[ProvidersTypes.twitter].copyWith(onSelected: _handleTwitterSignin),
+      ProvidersTypes.email:
+          providersDefinitions(context)[ProvidersTypes.email].copyWith(onSelected: _handleEmailSignIn),
+      ProvidersTypes.guest:
+          providersDefinitions(context)[ProvidersTypes.guest].copyWith(onSelected: _handleGuestSignIn),
     };
 
     return new Container(
@@ -122,8 +127,7 @@ class _LoginViewState extends State<LoginView> {
         child: new Column(
             children: widget.providers.map((p) {
       return new Container(
-          padding: EdgeInsets.only(bottom: widget.bottomPadding),
-          child: _buttons[p] ?? new Container());
+          padding: EdgeInsets.only(bottom: widget.bottomPadding), child: _buttons[p] ?? new Container());
     }).toList()));
   }
 
diff --git a/lib/utils.dart b/lib/utils.dart
index d2df431..6017f38 100644
--- a/lib/utils.dart
+++ b/lib/utils.dart
@@ -1,13 +1,12 @@
 import 'dart:async';
 
 import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_ui/l10n/localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_facebook_login/flutter_facebook_login.dart';
 import 'package:google_sign_in/google_sign_in.dart';
 
-import 'package:firebase_ui/l10n/localization.dart';
-
-enum ProvidersTypes { email, google, facebook, twitter, phone }
+enum ProvidersTypes { email, google, facebook, twitter, guest, phone }
 
 final GoogleSignIn googleSignIn = new GoogleSignIn();
 final FacebookLogin facebookLogin = new FacebookLogin();
@@ -17,6 +16,7 @@ ProvidersTypes stringToProvidersType(String value) {
   if (value.toLowerCase().contains('google')) return ProvidersTypes.google;
   if (value.toLowerCase().contains('password')) return ProvidersTypes.email;
   if (value.toLowerCase().contains('twitter')) return ProvidersTypes.twitter;
+  if (value.toLowerCase().contains('guest')) return ProvidersTypes.guest;
 //TODO  if (value.toLowerCase().contains('phone')) return ProvidersTypes.phone;
   return null;
 }
@@ -27,13 +27,15 @@ class ButtonDescription extends StatelessWidget {
   final Color labelColor;
   final Color color;
   final String logo;
+  final IconData icon;
   final String name;
   final VoidCallback onSelected;
 
   const ButtonDescription(
-      {@required this.logo,
-      @required this.label,
+      {@required this.label,
       @required this.name,
+      this.logo,
+      this.icon,
       this.onSelected,
       this.labelColor = Colors.grey,
       this.color = Colors.white});
@@ -43,6 +45,7 @@ class ButtonDescription extends StatelessWidget {
     Color labelColor,
     Color color,
     String logo,
+    IconData icon,
     String name,
     VoidCallback onSelected,
   }) {
@@ -51,6 +54,7 @@ class ButtonDescription extends StatelessWidget {
         labelColor: labelColor ?? this.labelColor,
         color: color ?? this.color,
         logo: logo ?? this.logo,
+        icon: icon ?? this.icon,
         name: name ?? this.name,
         onSelected: onSelected ?? this.onSelected);
   }
@@ -63,23 +67,22 @@ class ButtonDescription extends StatelessWidget {
         child: new Row(
           children: <Widget>[
             new Container(
-                padding: const EdgeInsets.fromLTRB(16.0, 16.0, 32.0, 16.0),
-                child: new Image.asset('assets/$logo', package: 'firebase_ui')),
+              padding: const EdgeInsets.fromLTRB(16.0, 16.0, 32.0, 16.0),
+              child: icon != null ? Icon(icon, color: labelColor, size: 30 ) : Image.asset('assets/$logo', package: 'firebase_ui'),
+            ),
             new Expanded(
               child: new Text(
                 label,
                 style: new TextStyle(color: labelColor),
               ),
-            )
+            ),
           ],
         ),
         onPressed: _onSelected);
   }
 }
 
-Map<ProvidersTypes, ButtonDescription> providersDefinitions(
-        BuildContext context) =>
-    {
+Map<ProvidersTypes, ButtonDescription> providersDefinitions(BuildContext context) => {
       ProvidersTypes.facebook: new ButtonDescription(
           color: const Color.fromRGBO(59, 87, 157, 1.0),
           logo: "fb-logo.png",
@@ -91,7 +94,7 @@ Map<ProvidersTypes, ButtonDescription> providersDefinitions(
           logo: "go-logo.png",
           label: FFULocalizations.of(context).signInGoogle,
           name: "Google",
-          labelColor: Colors.grey),
+          labelColor: Colors.black54),
       ProvidersTypes.email: new ButtonDescription(
           color: const Color.fromRGBO(219, 68, 55, 1.0),
           logo: "email-logo.png",
@@ -104,35 +107,40 @@ Map<ProvidersTypes, ButtonDescription> providersDefinitions(
           label: FFULocalizations.of(context).signInTwitter,
           name: "Twitter",
           labelColor: Colors.white),
+      ProvidersTypes.guest: new ButtonDescription(
+          color: const Color.fromRGBO(244, 180, 0, 1.0),
+          icon: Icons.person,
+          label: FFULocalizations.of(context).signInGuest,
+          name: "guest",
+          labelColor: Colors.white),
     };
 
-Future<Null> showErrorDialog(BuildContext context, String message,
-    {String title}) {
+Future<Null> showErrorDialog(BuildContext context, String message, {String title}) {
   return showDialog<Null>(
     context: context,
     barrierDismissible: false, // user must tap button!
     builder: (BuildContext context) => new AlertDialog(
-          title: title != null ? new Text(title) : null,
-          content: new SingleChildScrollView(
-            child: new ListBody(
-              children: <Widget>[
-                new Text(message ?? FFULocalizations.of(context).errorOccurred),
-              ],
-            ),
-          ),
-          actions: <Widget>[
-            new FlatButton(
-              child: new Row(
-                children: <Widget>[
-                  new Text(FFULocalizations.of(context).cancelButtonLabel),
-                ],
-              ),
-              onPressed: () {
-                Navigator.of(context).pop();
-              },
-            ),
+      title: title != null ? new Text(title) : null,
+      content: new SingleChildScrollView(
+        child: new ListBody(
+          children: <Widget>[
+            new Text(message ?? FFULocalizations.of(context).errorOccurred),
           ],
         ),
+      ),
+      actions: <Widget>[
+        new FlatButton(
+          child: new Row(
+            children: <Widget>[
+              new Text(FFULocalizations.of(context).cancelButtonLabel),
+            ],
+          ),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    ),
   );
 }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 2561f08..7c0cad9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: firebase_ui
 description: Firebase auth UI, dart package to mimic the firebaseUI(Google,Facebook,Twitter,Email supported)
-version: 1.0.8
+version: 1.0.10
 author: Nicholas Bowler <crucifixx25@gmail.com>
 homepage: https://github.com/Maliffic/firebase_ui
 
@@ -11,11 +11,11 @@ dependencies:
   flutter:
     sdk: flutter
 
-  flutter_twitter: ^1.1.2
+  flutter_twitter: ^1.1.3
 
-  firebase_auth: ^0.14.0+5
-  
-  google_sign_in: ^4.0.4
+  firebase_auth: ^0.15.3
+
+  google_sign_in: ^4.1.1
   flutter_facebook_login: ^3.0.0
 
 dev_dependencies: