[google_sign_in] Federate mobile implementations (#5214)

diff --git a/packages/google_sign_in/google_sign_in/CHANGELOG.md b/packages/google_sign_in/google_sign_in/CHANGELOG.md
index 24b729c..bee4daf 100644
--- a/packages/google_sign_in/google_sign_in/CHANGELOG.md
+++ b/packages/google_sign_in/google_sign_in/CHANGELOG.md
@@ -1,3 +1,7 @@
+## NEXT
+
+* Moves Android and iOS implementations to federated packages.
+
 ## 5.2.5
 
 * Migrates from `ui.hash*` to `Object.hash*`.
diff --git a/packages/google_sign_in/google_sign_in/android/settings.gradle b/packages/google_sign_in/google_sign_in/android/settings.gradle
deleted file mode 100644
index d943fae..0000000
--- a/packages/google_sign_in/google_sign_in/android/settings.gradle
+++ /dev/null
@@ -1 +0,0 @@
-rootProject.name = 'googlesignin'
diff --git a/packages/google_sign_in/google_sign_in/example/ios/Podfile b/packages/google_sign_in/google_sign_in/example/ios/Podfile
index e577a30..56085c3 100644
--- a/packages/google_sign_in/google_sign_in/example/ios/Podfile
+++ b/packages/google_sign_in/google_sign_in/example/ios/Podfile
@@ -29,11 +29,6 @@
 
 target 'Runner' do
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
-  target 'RunnerTests' do
-    inherit! :search_paths
-
-    pod 'OCMock','3.5'
-  end
 end
 
 post_install do |installer|
diff --git a/packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/project.pbxproj b/packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/project.pbxproj
index 06857ed..8909bb9 100644
--- a/packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/packages/google_sign_in/google_sign_in/example/ios/Runner.xcodeproj/project.pbxproj
@@ -16,28 +16,8 @@
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-		F76AC1A52666D0540040C8BC /* GoogleSignInTests.m in Sources */ = {isa = PBXBuildFile; fileRef = F76AC1A42666D0540040C8BC /* GoogleSignInTests.m */; };
-		F76AC1B32666D0610040C8BC /* GoogleSignInUITests.m in Sources */ = {isa = PBXBuildFile; fileRef = F76AC1B22666D0610040C8BC /* GoogleSignInUITests.m */; };
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-			proxyType = 1;
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-			remoteInfo = Runner;
-		};
-		F76AC1B52666D0610040C8BC /* PBXContainerItemProxy */ = {
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-			proxyType = 1;
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-			remoteInfo = Runner;
-		};
-/* End PBXContainerItemProxy section */
-
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@@ -73,12 +53,6 @@
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 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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-		F76AC1A62666D0540040C8BC /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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-		F76AC1B22666D0610040C8BC /* GoogleSignInUITests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = GoogleSignInUITests.m; sourceTree = "<group>"; };
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@@ -90,21 +64,6 @@
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@@ -135,8 +94,6 @@
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 				97C146F01CF9000F007C117D /* Runner */,
-				F76AC1A32666D0540040C8BC /* RunnerTests */,
-				F76AC1B12666D0610040C8BC /* RunnerUITests */,
 				97C146EF1CF9000F007C117D /* Products */,
 				840012C8B5EDBCF56B0E4AC1 /* Pods */,
 				CF3B75C9A7D2FA2A4C99F110 /* Frameworks */,
@@ -147,8 +104,6 @@
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-				F76AC1B02666D0610040C8BC /* RunnerUITests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -187,24 +142,6 @@
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@@ -230,43 +167,6 @@
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-			productType = "com.apple.product-type.bundle.unit-test";
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-			productType = "com.apple.product-type.bundle.ui-testing";
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@@ -279,16 +179,6 @@
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-			name = "[CP] Check Pods Manifest.lock";
-			outputFileListPaths = (
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-			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
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-		};
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-				PRODUCT_NAME = "$(TARGET_NAME)";
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diff --git a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.modulemap b/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.modulemap
deleted file mode 100644
index 271f509..0000000
--- a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.modulemap
+++ /dev/null
@@ -1,10 +0,0 @@
-framework module google_sign_in {
-  umbrella header "google_sign_in-umbrella.h"
-
-  export *
-  module * { export * }
-
-  explicit module Test {
-    header "FLTGoogleSignInPlugin_Test.h"
-  }
-}
diff --git a/packages/google_sign_in/google_sign_in/pubspec.yaml b/packages/google_sign_in/google_sign_in/pubspec.yaml
index 2c5de81..43904af 100644
--- a/packages/google_sign_in/google_sign_in/pubspec.yaml
+++ b/packages/google_sign_in/google_sign_in/pubspec.yaml
@@ -4,6 +4,10 @@
 repository: https://github.com/flutter/plugins/tree/main/packages/google_sign_in/google_sign_in
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+google_sign_in%22
 version: 5.2.5
+# Temporarily disable publishing to allow moving Android and iOS
+# implementations.
+publish_to: none
+
 
 environment:
   sdk: ">=2.14.0 <3.0.0"
@@ -13,16 +17,20 @@
   plugin:
     platforms:
       android:
-        package: io.flutter.plugins.googlesignin
-        pluginClass: GoogleSignInPlugin
+        default_package: google_sign_in_android
       ios:
-        pluginClass: FLTGoogleSignInPlugin
+        default_package: google_sign_in_ios
       web:
         default_package: google_sign_in_web
 
 dependencies:
   flutter:
     sdk: flutter
+  # Temporary path dependencies to allow moving Android and iOS implementations.
+  google_sign_in_android:
+    path: ../google_sign_in_android
+  google_sign_in_ios:
+    path: ../google_sign_in_ios
   google_sign_in_platform_interface: ^2.1.0
   google_sign_in_web: ^0.10.0
 
diff --git a/packages/google_sign_in/google_sign_in_android/AUTHORS b/packages/google_sign_in/google_sign_in_android/AUTHORS
new file mode 100644
index 0000000..493a0b4
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/AUTHORS
@@ -0,0 +1,66 @@
+# Below is a list of people and organizations that have contributed
+# to the Flutter project. Names should be added to the list like so:
+#
+#   Name/Organization <email address>
+
+Google Inc.
+The Chromium Authors
+German Saprykin <saprykin.h@gmail.com>
+Benjamin Sauer <sauer.benjamin@gmail.com>
+larsenthomasj@gmail.com
+Ali Bitek <alibitek@protonmail.ch>
+Pol Batlló <pol.batllo@gmail.com>
+Anatoly Pulyaevskiy
+Hayden Flinner <haydenflinner@gmail.com>
+Stefano Rodriguez <hlsroddy@gmail.com>
+Salvatore Giordano <salvatoregiordanoo@gmail.com>
+Brian Armstrong <brian@flutter.institute>
+Paul DeMarco <paulmdemarco@gmail.com>
+Fabricio Nogueira <feufeu@gmail.com>
+Simon Lightfoot <simon@devangels.london>
+Ashton Thomas <ashton@acrinta.com>
+Thomas Danner <thmsdnnr@gmail.com>
+Diego Velásquez <diego.velasquez.lopez@gmail.com>
+Hajime Nakamura <nkmrhj@gmail.com>
+Tuyển Vũ Xuân <netsoft1985@gmail.com>
+Miguel Ruivo <miguel@miguelruivo.com>
+Sarthak Verma <sarthak@artiosys.com>
+Mike Diarmid <mike@invertase.io>
+Invertase <oss@invertase.io>
+Elliot Hesp <elliot@invertase.io>
+Vince Varga <vince.varga@smaho.com>
+Aawaz Gyawali <awazgyawali@gmail.com>
+EUI Limited <ian.evans3@admiralgroup.co.uk>
+Katarina Sheremet <katarina@sheremet.ch>
+Thomas Stockx <thomas@stockxit.com>
+Sarbagya Dhaubanjar <sarbagyastha@gmail.com>
+Ozkan Eksi <ozeksi@gmail.com>
+Rishab Nayak <rishab@bu.edu>
+ko2ic <ko2ic.dev@gmail.com>
+Jonathan Younger <jonathan@daikini.com>
+Jose Sanchez <josesm82@gmail.com>
+Debkanchan Samadder <debu.samadder@gmail.com>
+Audrius Karosevicius <audrius.karosevicius@gmail.com>
+Lukasz Piliszczuk <lukasz@intheloup.io>
+SoundReply Solutions GmbH <ch@soundreply.com>
+Rafal Wachol <rwachol@gmail.com>
+Pau Picas <pau.picas@gmail.com>
+Christian Weder <chrstian.weder@yapeal.ch>
+Alexandru Tuca <salexandru.tuca@outlook.com>
+Christian Weder <chrstian.weder@yapeal.ch>
+Rhodes Davis Jr. <rody.davis.jr@gmail.com>
+Luigi Agosti <luigi@tengio.com>
+Quentin Le Guennec <quentin@tengio.com>
+Koushik Ravikumar <koushik@tengio.com>
+Nissim Dsilva <nissim@tengio.com>
+Giancarlo Rocha <giancarloiff@gmail.com>
+Ryo Miyake <ryo@miyake.id>
+Théo Champion <contact.theochampion@gmail.com>
+Kazuki Yamaguchi <y.kazuki0614n@gmail.com>
+Eitan Schwartz <eshvartz@gmail.com>
+Chris Rutkowski <chrisrutkowski89@gmail.com>
+Juan Alvarez <juan.alvarez@resideo.com>
+Aleksandr Yurkovskiy <sanekyy@gmail.com>
+Anton Borries <mail@antonborri.es>
+Alex Li <google@alexv525.com>
+Rahul Raj <64.rahulraj@gmail.com>
diff --git a/packages/google_sign_in/google_sign_in_android/CHANGELOG.md b/packages/google_sign_in/google_sign_in_android/CHANGELOG.md
new file mode 100644
index 0000000..e7c6847
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/CHANGELOG.md
@@ -0,0 +1,3 @@
+## 5.2.5
+
+* Splits from `video_player` as a federated implementation.
diff --git a/packages/google_sign_in/google_sign_in_android/LICENSE b/packages/google_sign_in/google_sign_in_android/LICENSE
new file mode 100644
index 0000000..c6823b8
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/LICENSE
@@ -0,0 +1,25 @@
+Copyright 2013 The Flutter Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/packages/google_sign_in/google_sign_in_android/README.md b/packages/google_sign_in/google_sign_in_android/README.md
new file mode 100644
index 0000000..5c7c70e
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/README.md
@@ -0,0 +1,11 @@
+# google\_sign\_in\_android
+
+The Android implementation of [`google_sign_in`][1].
+
+## Usage
+
+This package is [endorsed][2], which means you can simply use `google_sign_in`
+normally. This package will be automatically included in your app when you do.
+
+[1]: https://pub.dev/packages/google_sign_in
+[2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin
diff --git a/packages/google_sign_in/google_sign_in/android/build.gradle b/packages/google_sign_in/google_sign_in_android/android/build.gradle
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/build.gradle
rename to packages/google_sign_in/google_sign_in_android/android/build.gradle
diff --git a/packages/google_sign_in/google_sign_in_android/android/settings.gradle b/packages/google_sign_in/google_sign_in_android/android/settings.gradle
new file mode 100644
index 0000000..35ebd0e
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/android/settings.gradle
@@ -0,0 +1 @@
+rootProject.name = 'google_sign_in_android'
diff --git a/packages/google_sign_in/google_sign_in/android/src/main/AndroidManifest.xml b/packages/google_sign_in/google_sign_in_android/android/src/main/AndroidManifest.xml
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/main/AndroidManifest.xml
rename to packages/google_sign_in/google_sign_in_android/android/src/main/AndroidManifest.xml
diff --git a/packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/BackgroundTaskRunner.java b/packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/BackgroundTaskRunner.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/BackgroundTaskRunner.java
rename to packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/BackgroundTaskRunner.java
diff --git a/packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/Executors.java b/packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/Executors.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/Executors.java
rename to packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/Executors.java
diff --git a/packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInPlugin.java b/packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInPlugin.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInPlugin.java
rename to packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInPlugin.java
diff --git a/packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInWrapper.java b/packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInWrapper.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInWrapper.java
rename to packages/google_sign_in/google_sign_in_android/android/src/main/java/io/flutter/plugins/googlesignin/GoogleSignInWrapper.java
diff --git a/packages/google_sign_in/google_sign_in/android/src/test/java/io/flutter/plugins/googlesignin/GoogleSignInTest.java b/packages/google_sign_in/google_sign_in_android/android/src/test/java/io/flutter/plugins/googlesignin/GoogleSignInTest.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/android/src/test/java/io/flutter/plugins/googlesignin/GoogleSignInTest.java
rename to packages/google_sign_in/google_sign_in_android/android/src/test/java/io/flutter/plugins/googlesignin/GoogleSignInTest.java
diff --git a/packages/google_sign_in/google_sign_in_android/example/README.md b/packages/google_sign_in/google_sign_in_android/example/README.md
new file mode 100644
index 0000000..79d99dc
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/README.md
@@ -0,0 +1,8 @@
+# google_sign_in_android example
+
+Exercises the Android implementation of `GoogleSignInPlatform`.
+
+## Getting Started
+
+For help getting started with Flutter, view our online
+[documentation](https://flutter.dev/).
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/build.gradle b/packages/google_sign_in/google_sign_in_android/example/android/app/build.gradle
new file mode 100644
index 0000000..8ac99fe
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/build.gradle
@@ -0,0 +1,67 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 31
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        applicationId "io.flutter.plugins.googlesigninexample"
+        minSdkVersion 16
+        targetSdkVersion 28
+        multiDexEnabled true
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+
+    testOptions {
+        unitTests.returnDefaultValues = true
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation 'com.google.android.gms:play-services-auth:16.0.1'
+    testImplementation'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    api 'androidx.test:core:1.2.0'
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/google-services.json b/packages/google_sign_in/google_sign_in_android/example/android/app/google-services.json
new file mode 100644
index 0000000..efa5245
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/google-services.json
@@ -0,0 +1,246 @@
+{
+  "project_info": {
+    "project_number": "479882132969",
+    "firebase_url": "https://my-flutter-proj.firebaseio.com",
+    "project_id": "my-flutter-proj",
+    "storage_bucket": "my-flutter-proj.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:479882132969:android:c73fd19ff7e2c0be",
+        "android_client_info": {
+          "package_name": "io.flutter.plugins.cameraexample"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCrZz9T0Pg0rDnpxfNuPBrOxGhXskfebXs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:479882132969:android:632cdf3fc0a17139",
+        "android_client_info": {
+          "package_name": "io.flutter.plugins.firebasedynamiclinksexample"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "479882132969-32qusitiag53931ck80h121ajhlc5a7e.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "io.flutter.plugins.firebasedynamiclinksexample",
+            "certificate_hash": "e733b7a303250b63e06de6f7c9767c517d69cfa0"
+          }
+        },
+        {
+          "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCrZz9T0Pg0rDnpxfNuPBrOxGhXskfebXs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 2,
+          "other_platform_oauth_client": [
+            {
+              "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "479882132969-gjp4e63ogu2h6guttj2ie6t3f10ic7i8.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "io.flutter.plugins.firebaseMlVisionExample"
+              }
+            }
+          ]
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:479882132969:android:ae50362b4bc06086",
+        "android_client_info": {
+          "package_name": "io.flutter.plugins.firebasemlvisionexample"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "479882132969-9pp74fkgmtvt47t9rikc1p861v7n85tn.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "io.flutter.plugins.firebasemlvisionexample",
+            "certificate_hash": "e733b7a303250b63e06de6f7c9767c517d69cfa0"
+          }
+        },
+        {
+          "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCrZz9T0Pg0rDnpxfNuPBrOxGhXskfebXs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 2,
+          "other_platform_oauth_client": [
+            {
+              "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "479882132969-gjp4e63ogu2h6guttj2ie6t3f10ic7i8.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "io.flutter.plugins.firebaseMlVisionExample"
+              }
+            }
+          ]
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:479882132969:android:215a22700e1b466b",
+        "android_client_info": {
+          "package_name": "io.flutter.plugins.firebaseperformanceexample"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "479882132969-8h4kiv8m7ho4tvn6uuujsfcrf69unuf7.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "io.flutter.plugins.firebaseperformanceexample",
+            "certificate_hash": "e733b7a303250b63e06de6f7c9767c517d69cfa0"
+          }
+        },
+        {
+          "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCrZz9T0Pg0rDnpxfNuPBrOxGhXskfebXs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 2,
+          "other_platform_oauth_client": [
+            {
+              "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "479882132969-gjp4e63ogu2h6guttj2ie6t3f10ic7i8.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "io.flutter.plugins.firebaseMlVisionExample"
+              }
+            }
+          ]
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:479882132969:android:5e9f1f89e134dc86",
+        "android_client_info": {
+          "package_name": "io.flutter.plugins.googlesigninexample"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "479882132969-90ml692hkonp587sl0v0rurmnvkekgrg.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "io.flutter.plugins.googlesigninexample",
+            "certificate_hash": "e733b7a303250b63e06de6f7c9767c517d69cfa0"
+          }
+        },
+        {
+          "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCrZz9T0Pg0rDnpxfNuPBrOxGhXskfebXs"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 2,
+          "other_platform_oauth_client": [
+            {
+              "client_id": "479882132969-0d20fkjtr1p8evfomfkf3vmi50uajml2.apps.googleusercontent.com",
+              "client_type": 3
+            },
+            {
+              "client_id": "479882132969-gjp4e63ogu2h6guttj2ie6t3f10ic7i8.apps.googleusercontent.com",
+              "client_type": 2,
+              "ios_info": {
+                "bundle_id": "io.flutter.plugins.firebaseMlVisionExample"
+              }
+            }
+          ]
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/gradle/wrapper/gradle-wrapper.properties b/packages/google_sign_in/google_sign_in_android/example/android/app/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..9a4163a
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/DartIntegrationTest.java b/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/DartIntegrationTest.java
new file mode 100644
index 0000000..0f4298d
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/DartIntegrationTest.java
@@ -0,0 +1,14 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface DartIntegrationTest {}
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/FlutterActivityTest.java b/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/FlutterActivityTest.java
new file mode 100644
index 0000000..edc01de
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/FlutterActivityTest.java
@@ -0,0 +1,19 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlesigninexample;
+
+import androidx.test.rule.ActivityTestRule;
+import dev.flutter.plugins.integration_test.FlutterTestRunner;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.plugins.DartIntegrationTest;
+import org.junit.Rule;
+import org.junit.runner.RunWith;
+
+@DartIntegrationTest
+@RunWith(FlutterTestRunner.class)
+public class FlutterActivityTest {
+  @Rule
+  public ActivityTestRule<FlutterActivity> rule = new ActivityTestRule<>(FlutterActivity.class);
+}
diff --git a/packages/google_sign_in/google_sign_in/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/GoogleSignInTest.java b/packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/GoogleSignInTest.java
similarity index 100%
rename from packages/google_sign_in/google_sign_in/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/GoogleSignInTest.java
rename to packages/google_sign_in/google_sign_in_android/example/android/app/src/androidTest/java/io/flutter/plugins/googlesigninexample/GoogleSignInTest.java
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/debug/AndroidManifest.xml b/packages/google_sign_in/google_sign_in_android/example/android/app/src/debug/AndroidManifest.xml
new file mode 100644
index 0000000..4d76490
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.googlesigninexample">
+    <!-- Flutter needs internet permission to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <application android:usesCleartextTraffic="true">
+        <activity
+            android:name=".GoogleSignInTestActivity"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Black.NoTitleBar"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+        </activity>
+    </application>
+</manifest>
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/AndroidManifest.xml b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..22a34d7
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,19 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.flutter.plugins.googlesigninexample">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <application>
+        <activity android:name="io.flutter.embedding.android.FlutterActivity"
+                  android:theme="@android:style/Theme.Black.NoTitleBar"
+                  android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
+                  android:hardwareAccelerated="true"
+                  android:windowSoftInputMode="adjustResize">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <meta-data android:name="flutterEmbedding" android:value="2"/>
+    </application>
+</manifest>
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/.gitignore b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/.gitignore
new file mode 100644
index 0000000..9eb4563
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/.gitignore
@@ -0,0 +1 @@
+GeneratedPluginRegistrant.java
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/googlesigninexample/GoogleSignInTestActivity.java b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/googlesigninexample/GoogleSignInTestActivity.java
new file mode 100644
index 0000000..09506a2
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/java/io/flutter/plugins/googlesigninexample/GoogleSignInTestActivity.java
@@ -0,0 +1,20 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.googlesigninexample;
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity;
+import io.flutter.embedding.engine.FlutterEngine;
+
+// Makes the FlutterEngine accessible for testing.
+public class GoogleSignInTestActivity extends FlutterActivity {
+  public FlutterEngine engine;
+
+  @Override
+  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+    super.configureFlutterEngine(flutterEngine);
+    engine = flutterEngine;
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..db77bb4
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..17987b7
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..09d4391
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..d5f1c8d
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..4d6372e
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/values/strings.xml b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..c7e28ff
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="default_web_client_id">YOUR_WEB_CLIENT_ID</string>
+</resources>
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/build.gradle b/packages/google_sign_in/google_sign_in_android/example/android/build.gradle
new file mode 100644
index 0000000..e101ac0
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/build.gradle
@@ -0,0 +1,29 @@
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.0'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/gradle.properties b/packages/google_sign_in/google_sign_in_android/example/android/gradle.properties
new file mode 100644
index 0000000..d12b9a8
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/gradle.properties
@@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/gradle/wrapper/gradle-wrapper.properties b/packages/google_sign_in/google_sign_in_android/example/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..019065d
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
diff --git a/packages/google_sign_in/google_sign_in_android/example/android/settings.gradle b/packages/google_sign_in/google_sign_in_android/example/android/settings.gradle
new file mode 100644
index 0000000..115da6c
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/android/settings.gradle
@@ -0,0 +1,15 @@
+include ':app'
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withInputStream { stream -> plugins.load(stream) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/integration_test/google_sign_in_test.dart b/packages/google_sign_in/google_sign_in_android/example/integration_test/google_sign_in_test.dart
new file mode 100644
index 0000000..d4631f6
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/integration_test/google_sign_in_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:google_sign_in_platform_interface/google_sign_in_platform_interface.dart';
+import 'package:integration_test/integration_test.dart';
+
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  testWidgets('Can initialize the plugin', (WidgetTester tester) async {
+    final GoogleSignInPlatform signIn = GoogleSignInPlatform.instance;
+    expect(signIn, isNotNull);
+  });
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/lib/main.dart b/packages/google_sign_in/google_sign_in_android/example/lib/main.dart
new file mode 100644
index 0000000..a750c33
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/lib/main.dart
@@ -0,0 +1,179 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// ignore_for_file: public_member_api_docs
+
+import 'dart:async';
+import 'dart:convert' show json;
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:google_sign_in_platform_interface/google_sign_in_platform_interface.dart';
+import 'package:http/http.dart' as http;
+
+void main() {
+  runApp(
+    MaterialApp(
+      title: 'Google Sign In',
+      home: SignInDemo(),
+    ),
+  );
+}
+
+class SignInDemo extends StatefulWidget {
+  @override
+  State createState() => SignInDemoState();
+}
+
+class SignInDemoState extends State<SignInDemo> {
+  GoogleSignInUserData? _currentUser;
+  String _contactText = '';
+  // Future that completes when `init` has completed on the sign in instance.
+  Future<void>? _initialization;
+
+  @override
+  void initState() {
+    super.initState();
+    _signIn();
+  }
+
+  Future<void> _ensureInitialized() {
+    return _initialization ??= GoogleSignInPlatform.instance.init(
+      scopes: <String>[
+        'email',
+        'https://www.googleapis.com/auth/contacts.readonly',
+      ],
+    )..catchError((dynamic _) {
+        _initialization = null;
+      });
+  }
+
+  void _setUser(GoogleSignInUserData? user) {
+    setState(() {
+      _currentUser = user;
+      if (user != null) {
+        _handleGetContact(user);
+      }
+    });
+  }
+
+  Future<void> _signIn() async {
+    await _ensureInitialized();
+    final GoogleSignInUserData? newUser =
+        await GoogleSignInPlatform.instance.signInSilently();
+    _setUser(newUser);
+  }
+
+  Future<Map<String, String>> _getAuthHeaders() async {
+    final GoogleSignInUserData? user = _currentUser;
+    if (user == null) {
+      throw StateError('No user signed in');
+    }
+
+    final GoogleSignInTokenData response =
+        await GoogleSignInPlatform.instance.getTokens(
+      email: user.email,
+      shouldRecoverAuth: true,
+    );
+
+    return <String, String>{
+      'Authorization': 'Bearer ${response.accessToken}',
+      // TODO(kevmoo): Use the correct value once it's available.
+      // See https://github.com/flutter/flutter/issues/80905
+      'X-Goog-AuthUser': '0',
+    };
+  }
+
+  Future<void> _handleGetContact(GoogleSignInUserData user) async {
+    setState(() {
+      _contactText = 'Loading contact info...';
+    });
+    final http.Response response = await http.get(
+      Uri.parse('https://people.googleapis.com/v1/people/me/connections'
+          '?requestMask.includeField=person.names'),
+      headers: await _getAuthHeaders(),
+    );
+    if (response.statusCode != 200) {
+      setState(() {
+        _contactText = 'People API gave a ${response.statusCode} '
+            'response. Check logs for details.';
+      });
+      print('People API ${response.statusCode} response: ${response.body}');
+      return;
+    }
+    final Map<String, dynamic> data =
+        json.decode(response.body) as Map<String, dynamic>;
+    final int contactCount =
+        (data['connections'] as List<dynamic>?)?.length ?? 0;
+    setState(() {
+      _contactText = '$contactCount contacts found';
+    });
+  }
+
+  Future<void> _handleSignIn() async {
+    try {
+      await _ensureInitialized();
+      _setUser(await GoogleSignInPlatform.instance.signIn());
+    } catch (error) {
+      final bool canceled =
+          error is PlatformException && error.code == 'sign_in_canceled';
+      if (!canceled) {
+        print(error);
+      }
+    }
+  }
+
+  Future<void> _handleSignOut() async {
+    await _ensureInitialized();
+    await GoogleSignInPlatform.instance.disconnect();
+  }
+
+  Widget _buildBody() {
+    final GoogleSignInUserData? user = _currentUser;
+    if (user != null) {
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        children: <Widget>[
+          ListTile(
+            title: Text(user.displayName ?? ''),
+            subtitle: Text(user.email),
+          ),
+          const Text('Signed in successfully.'),
+          Text(_contactText),
+          ElevatedButton(
+            child: const Text('SIGN OUT'),
+            onPressed: _handleSignOut,
+          ),
+          ElevatedButton(
+            child: const Text('REFRESH'),
+            onPressed: () => _handleGetContact(user),
+          ),
+        ],
+      );
+    } else {
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        children: <Widget>[
+          const Text('You are not currently signed in.'),
+          ElevatedButton(
+            child: const Text('SIGN IN'),
+            onPressed: _handleSignIn,
+          ),
+        ],
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          title: const Text('Google Sign In'),
+        ),
+        body: ConstrainedBox(
+          constraints: const BoxConstraints.expand(),
+          child: _buildBody(),
+        ));
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in_android/example/pubspec.yaml b/packages/google_sign_in/google_sign_in_android/example/pubspec.yaml
new file mode 100644
index 0000000..316cdd8
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/pubspec.yaml
@@ -0,0 +1,30 @@
+name: google_sign_in_example
+description: Example of Google Sign-In plugin.
+publish_to: none
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  google_sign_in_android:
+    # When depending on this package from a real application you should use:
+    #   google_sign_in_android: ^x.y.z
+    # See https://dart.dev/tools/pub/dependencies#version-constraints
+    # The example app is bundled with the plugin so we use a path dependency on
+    # the parent directory to use the current plugin's version.
+    path: ../
+  google_sign_in_platform_interface: ^2.1.0
+  http: ^0.13.0
+
+dev_dependencies:
+  espresso: ^0.1.0+2
+  flutter_driver:
+    sdk: flutter
+  integration_test:
+    sdk: flutter
+
+flutter:
+  uses-material-design: true
diff --git a/packages/google_sign_in/google_sign_in_android/example/test_driver/integration_test.dart b/packages/google_sign_in/google_sign_in_android/example/test_driver/integration_test.dart
new file mode 100644
index 0000000..4f10f2a
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/example/test_driver/integration_test.dart
@@ -0,0 +1,7 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:integration_test/integration_test_driver.dart';
+
+Future<void> main() => integrationDriver();
diff --git a/packages/google_sign_in/google_sign_in_android/pubspec.yaml b/packages/google_sign_in/google_sign_in_android/pubspec.yaml
new file mode 100644
index 0000000..efd679c
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_android/pubspec.yaml
@@ -0,0 +1,35 @@
+name: google_sign_in_android
+description: Android implementation of the google_sign_in plugin.
+repository: https://github.com/flutter/plugins/tree/main/packages/google_sign_in/google_sign_in_android
+issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+google_sign_in%22
+version: 5.2.5
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+flutter:
+  plugin:
+    implements: google_sign_in
+    platforms:
+      android:
+        package: io.flutter.plugins.googlesignin
+        pluginClass: GoogleSignInPlugin
+
+dependencies:
+  flutter:
+    sdk: flutter
+  google_sign_in_platform_interface: ^2.1.0
+
+dev_dependencies:
+  flutter_driver:
+    sdk: flutter
+  flutter_test:
+    sdk: flutter
+  integration_test:
+    sdk: flutter
+
+# The example deliberately includes limited-use secrets.
+false_secrets:
+  - /example/android/app/google-services.json
+  - /example/lib/main.dart
diff --git a/packages/google_sign_in/google_sign_in_ios/AUTHORS b/packages/google_sign_in/google_sign_in_ios/AUTHORS
new file mode 100644
index 0000000..493a0b4
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/AUTHORS
@@ -0,0 +1,66 @@
+# Below is a list of people and organizations that have contributed
+# to the Flutter project. Names should be added to the list like so:
+#
+#   Name/Organization <email address>
+
+Google Inc.
+The Chromium Authors
+German Saprykin <saprykin.h@gmail.com>
+Benjamin Sauer <sauer.benjamin@gmail.com>
+larsenthomasj@gmail.com
+Ali Bitek <alibitek@protonmail.ch>
+Pol Batlló <pol.batllo@gmail.com>
+Anatoly Pulyaevskiy
+Hayden Flinner <haydenflinner@gmail.com>
+Stefano Rodriguez <hlsroddy@gmail.com>
+Salvatore Giordano <salvatoregiordanoo@gmail.com>
+Brian Armstrong <brian@flutter.institute>
+Paul DeMarco <paulmdemarco@gmail.com>
+Fabricio Nogueira <feufeu@gmail.com>
+Simon Lightfoot <simon@devangels.london>
+Ashton Thomas <ashton@acrinta.com>
+Thomas Danner <thmsdnnr@gmail.com>
+Diego Velásquez <diego.velasquez.lopez@gmail.com>
+Hajime Nakamura <nkmrhj@gmail.com>
+Tuyển Vũ Xuân <netsoft1985@gmail.com>
+Miguel Ruivo <miguel@miguelruivo.com>
+Sarthak Verma <sarthak@artiosys.com>
+Mike Diarmid <mike@invertase.io>
+Invertase <oss@invertase.io>
+Elliot Hesp <elliot@invertase.io>
+Vince Varga <vince.varga@smaho.com>
+Aawaz Gyawali <awazgyawali@gmail.com>
+EUI Limited <ian.evans3@admiralgroup.co.uk>
+Katarina Sheremet <katarina@sheremet.ch>
+Thomas Stockx <thomas@stockxit.com>
+Sarbagya Dhaubanjar <sarbagyastha@gmail.com>
+Ozkan Eksi <ozeksi@gmail.com>
+Rishab Nayak <rishab@bu.edu>
+ko2ic <ko2ic.dev@gmail.com>
+Jonathan Younger <jonathan@daikini.com>
+Jose Sanchez <josesm82@gmail.com>
+Debkanchan Samadder <debu.samadder@gmail.com>
+Audrius Karosevicius <audrius.karosevicius@gmail.com>
+Lukasz Piliszczuk <lukasz@intheloup.io>
+SoundReply Solutions GmbH <ch@soundreply.com>
+Rafal Wachol <rwachol@gmail.com>
+Pau Picas <pau.picas@gmail.com>
+Christian Weder <chrstian.weder@yapeal.ch>
+Alexandru Tuca <salexandru.tuca@outlook.com>
+Christian Weder <chrstian.weder@yapeal.ch>
+Rhodes Davis Jr. <rody.davis.jr@gmail.com>
+Luigi Agosti <luigi@tengio.com>
+Quentin Le Guennec <quentin@tengio.com>
+Koushik Ravikumar <koushik@tengio.com>
+Nissim Dsilva <nissim@tengio.com>
+Giancarlo Rocha <giancarloiff@gmail.com>
+Ryo Miyake <ryo@miyake.id>
+Théo Champion <contact.theochampion@gmail.com>
+Kazuki Yamaguchi <y.kazuki0614n@gmail.com>
+Eitan Schwartz <eshvartz@gmail.com>
+Chris Rutkowski <chrisrutkowski89@gmail.com>
+Juan Alvarez <juan.alvarez@resideo.com>
+Aleksandr Yurkovskiy <sanekyy@gmail.com>
+Anton Borries <mail@antonborri.es>
+Alex Li <google@alexv525.com>
+Rahul Raj <64.rahulraj@gmail.com>
diff --git a/packages/google_sign_in/google_sign_in_ios/CHANGELOG.md b/packages/google_sign_in/google_sign_in_ios/CHANGELOG.md
new file mode 100644
index 0000000..e7c6847
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/CHANGELOG.md
@@ -0,0 +1,3 @@
+## 5.2.5
+
+* Splits from `video_player` as a federated implementation.
diff --git a/packages/google_sign_in/google_sign_in_ios/LICENSE b/packages/google_sign_in/google_sign_in_ios/LICENSE
new file mode 100644
index 0000000..c6823b8
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/LICENSE
@@ -0,0 +1,25 @@
+Copyright 2013 The Flutter Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/packages/google_sign_in/google_sign_in_ios/README.md b/packages/google_sign_in/google_sign_in_ios/README.md
new file mode 100644
index 0000000..25e08fd
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/README.md
@@ -0,0 +1,11 @@
+# google\_sign\_in\_ios
+
+The iOS implementation of [`google_sign_in`][1].
+
+## Usage
+
+This package is [endorsed][2], which means you can simply use `google_sign_in`
+normally. This package will be automatically included in your app when you do.
+
+[1]: https://pub.dev/packages/google_sign_in
+[2]: https://flutter.dev/docs/development/packages-and-plugins/developing-packages#endorsed-federated-plugin
diff --git a/packages/google_sign_in/google_sign_in_ios/example/README.md b/packages/google_sign_in/google_sign_in_ios/example/README.md
new file mode 100644
index 0000000..ca3dc70
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/README.md
@@ -0,0 +1,8 @@
+# google_sign_in_ios example
+
+Exercises the iOS implementation of `GoogleSignInPlatform`.
+
+## Getting Started
+
+For help getting started with Flutter, view our online
+[documentation](https://flutter.dev/).
diff --git a/packages/google_sign_in/google_sign_in_ios/example/integration_test/google_sign_in_test.dart b/packages/google_sign_in/google_sign_in_ios/example/integration_test/google_sign_in_test.dart
new file mode 100644
index 0000000..d4631f6
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/integration_test/google_sign_in_test.dart
@@ -0,0 +1,16 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:google_sign_in_platform_interface/google_sign_in_platform_interface.dart';
+import 'package:integration_test/integration_test.dart';
+
+void main() {
+  IntegrationTestWidgetsFlutterBinding.ensureInitialized();
+
+  testWidgets('Can initialize the plugin', (WidgetTester tester) async {
+    final GoogleSignInPlatform signIn = GoogleSignInPlatform.instance;
+    expect(signIn, isNotNull);
+  });
+}
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/AppFrameworkInfo.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/AppFrameworkInfo.plist
new file mode 100644
index 0000000..3a9c234
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/AppFrameworkInfo.plist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>UIRequiredDeviceCapabilities</key>
+  <array>
+    <string>arm64</string>
+  </array>
+  <key>MinimumOSVersion</key>
+  <string>9.0</string>
+</dict>
+</plist>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Debug.xcconfig b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Debug.xcconfig
new file mode 100644
index 0000000..9803018
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Debug.xcconfig
@@ -0,0 +1,2 @@
+#include "Generated.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Release.xcconfig b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Release.xcconfig
new file mode 100644
index 0000000..a4a8c60
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Flutter/Release.xcconfig
@@ -0,0 +1,2 @@
+#include "Generated.xcconfig"
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
diff --git a/packages/google_sign_in/google_sign_in/example/ios/RunnerTests/Info.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/GoogleSignInPluginTest/Info.plist
similarity index 100%
copy from packages/google_sign_in/google_sign_in/example/ios/RunnerTests/Info.plist
copy to packages/google_sign_in/google_sign_in_ios/example/ios/GoogleSignInPluginTest/Info.plist
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Podfile b/packages/google_sign_in/google_sign_in_ios/example/ios/Podfile
new file mode 100644
index 0000000..e577a30
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Podfile
@@ -0,0 +1,47 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+
+    pod 'OCMock','3.5'
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+    target.build_configurations.each do |build_configuration|
+      # GoogleSignIn does not support arm64 simulators.
+      build_configuration.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = 'arm64 i386'
+    end
+  end
+end
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.pbxproj b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..f2bf4eb
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,740 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 50;
+	objects = {
+
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+/* End PBXBuildFile section */
+
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+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		0263E28FA425D1CE928BDE15 /* libPods-Runner.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Runner.a"; sourceTree = BUILT_PRODUCTS_DIR; };
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+				PRODUCT_BUNDLE_IDENTIFIER = dev.flutter.plugins.RunnerTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Runner.app/Runner";
+			};
+			name = Release;
+		};
+		F76AC1B82666D0610040C8BC /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				INFOPLIST_FILE = RunnerUITests/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = dev.flutter.plugins.RunnerUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_TARGET_NAME = Runner;
+			};
+			name = Debug;
+		};
+		F76AC1B92666D0610040C8BC /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				INFOPLIST_FILE = RunnerUITests/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
+				PRODUCT_BUNDLE_IDENTIFIER = dev.flutter.plugins.RunnerUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				TEST_TARGET_NAME = Runner;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		F76AC1AB2666D0540040C8BC /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F76AC1A92666D0540040C8BC /* Debug */,
+				F76AC1AA2666D0540040C8BC /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		F76AC1B72666D0610040C8BC /* Build configuration list for PBXNativeTarget "RunnerUITests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F76AC1B82666D0610040C8BC /* Debug */,
+				F76AC1B92666D0610040C8BC /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..919434a
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 0000000..f4569c4
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1300"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F76AC1A12666D0540040C8BC"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "F76AC1AF2666D0610040C8BC"
+               BuildableName = "RunnerUITests.xctest"
+               BlueprintName = "RunnerUITests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/contents.xcworkspacedata b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..21a3cc1
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.h b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.h
new file mode 100644
index 0000000..0681d28
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.h
@@ -0,0 +1,10 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.m b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.m
new file mode 100644
index 0000000..30b8796
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/AppDelegate.m
@@ -0,0 +1,17 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "AppDelegate.h"
+#include "GeneratedPluginRegistrant.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  [GeneratedPluginRegistrant registerWithRegistry:self];
+  // Override point for customization after application launch.
+  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 0000000..d22f10b
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,116 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
new file mode 100644
index 0000000..28c6bf0
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
new file mode 100644
index 0000000..2ccbfd9
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
new file mode 100644
index 0000000..f091b6b
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
new file mode 100644
index 0000000..4cde121
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
new file mode 100644
index 0000000..d0ef06e
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
new file mode 100644
index 0000000..dcdc230
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
new file mode 100644
index 0000000..2ccbfd9
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
new file mode 100644
index 0000000..c8f9ed8
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
new file mode 100644
index 0000000..a6d6b86
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
new file mode 100644
index 0000000..a6d6b86
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
new file mode 100644
index 0000000..75b2d16
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
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diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
new file mode 100644
index 0000000..c4df70d
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
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diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
new file mode 100644
index 0000000..6a84f41
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
new file mode 100644
index 0000000..d0e1f58
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
Binary files differ
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/LaunchScreen.storyboard b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
new file mode 100644
index 0000000..ebf48f6
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
+                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/Main.storyboard b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/Main.storyboard
new file mode 100644
index 0000000..f3c2851
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/GoogleService-Info.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/GoogleService-Info.plist
new file mode 100644
index 0000000..6042aab
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/GoogleService-Info.plist
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AD_UNIT_ID_FOR_BANNER_TEST</key>
+	<string>ca-app-pub-3940256099942544/2934735716</string>
+	<key>AD_UNIT_ID_FOR_INTERSTITIAL_TEST</key>
+	<string>ca-app-pub-3940256099942544/4411468910</string>
+	<key>CLIENT_ID</key>
+	<string>479882132969-9i9aqik3jfjd7qhci1nqf0bm2g71rm1u.apps.googleusercontent.com</string>
+	<key>REVERSED_CLIENT_ID</key>
+	<string>com.googleusercontent.apps.479882132969-9i9aqik3jfjd7qhci1nqf0bm2g71rm1u</string>
+	<key>ANDROID_CLIENT_ID</key>
+	<string>479882132969-jie8r1me6dsra60pal6ejaj8dgme3tg0.apps.googleusercontent.com</string>
+	<key>API_KEY</key>
+	<string>AIzaSyBECOwLTAN6PU4Aet1b2QLGIb3kRK8Xjew</string>
+	<key>GCM_SENDER_ID</key>
+	<string>479882132969</string>
+	<key>PLIST_VERSION</key>
+	<string>1</string>
+	<key>BUNDLE_ID</key>
+	<string>io.flutter.plugins.googleSignInExample</string>
+	<key>PROJECT_ID</key>
+	<string>my-flutter-proj</string>
+	<key>STORAGE_BUCKET</key>
+	<string>my-flutter-proj.appspot.com</string>
+	<key>IS_ADS_ENABLED</key>
+	<true></true>
+	<key>IS_ANALYTICS_ENABLED</key>
+	<false></false>
+	<key>IS_APPINVITE_ENABLED</key>
+	<true></true>
+	<key>IS_GCM_ENABLED</key>
+	<true></true>
+	<key>IS_SIGNIN_ENABLED</key>
+	<true></true>
+	<key>GOOGLE_APP_ID</key>
+	<string>1:479882132969:ios:2643f950e0a0da08</string>
+	<key>DATABASE_URL</key>
+	<string>https://my-flutter-proj.firebaseio.com</string>
+	<key>SERVER_CLIENT_ID</key>
+	<string>YOUR_SERVER_CLIENT_ID</string>
+</dict>
+</plist>
\ No newline at end of file
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Info.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Info.plist
new file mode 100644
index 0000000..187584d
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/Info.plist
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Google Sign-In Example</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>GoogleSignInExample</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>com.googleusercontent.apps.479882132969-9i9aqik3jfjd7qhci1nqf0bm2g71rm1u</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>arm64</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+</dict>
+</plist>
diff --git a/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/main.m b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/main.m
new file mode 100644
index 0000000..f143297
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/Runner/main.m
@@ -0,0 +1,13 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char *argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in/example/ios/RunnerTests/GoogleSignInTests.m b/packages/google_sign_in/google_sign_in_ios/example/ios/RunnerTests/GoogleSignInTests.m
similarity index 99%
rename from packages/google_sign_in/google_sign_in/example/ios/RunnerTests/GoogleSignInTests.m
rename to packages/google_sign_in/google_sign_in_ios/example/ios/RunnerTests/GoogleSignInTests.m
index 6f8b821..dbbd653 100644
--- a/packages/google_sign_in/google_sign_in/example/ios/RunnerTests/GoogleSignInTests.m
+++ b/packages/google_sign_in/google_sign_in_ios/example/ios/RunnerTests/GoogleSignInTests.m
@@ -5,8 +5,8 @@
 @import Flutter;
 
 @import XCTest;
-@import google_sign_in;
-@import google_sign_in.Test;
+@import google_sign_in_ios;
+@import google_sign_in_ios.Test;
 @import GoogleSignIn;
 
 // OCMock library doesn't generate a valid modulemap.
diff --git a/packages/google_sign_in/google_sign_in/example/ios/RunnerTests/Info.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/RunnerTests/Info.plist
similarity index 100%
rename from packages/google_sign_in/google_sign_in/example/ios/RunnerTests/Info.plist
rename to packages/google_sign_in/google_sign_in_ios/example/ios/RunnerTests/Info.plist
diff --git a/packages/google_sign_in/google_sign_in/example/ios/RunnerUITests/GoogleSignInUITests.m b/packages/google_sign_in/google_sign_in_ios/example/ios/RunnerUITests/GoogleSignInUITests.m
similarity index 100%
rename from packages/google_sign_in/google_sign_in/example/ios/RunnerUITests/GoogleSignInUITests.m
rename to packages/google_sign_in/google_sign_in_ios/example/ios/RunnerUITests/GoogleSignInUITests.m
diff --git a/packages/google_sign_in/google_sign_in/example/ios/RunnerUITests/Info.plist b/packages/google_sign_in/google_sign_in_ios/example/ios/RunnerUITests/Info.plist
similarity index 100%
rename from packages/google_sign_in/google_sign_in/example/ios/RunnerUITests/Info.plist
rename to packages/google_sign_in/google_sign_in_ios/example/ios/RunnerUITests/Info.plist
diff --git a/packages/google_sign_in/google_sign_in_ios/example/lib/main.dart b/packages/google_sign_in/google_sign_in_ios/example/lib/main.dart
new file mode 100644
index 0000000..a750c33
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/lib/main.dart
@@ -0,0 +1,179 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// ignore_for_file: public_member_api_docs
+
+import 'dart:async';
+import 'dart:convert' show json;
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:google_sign_in_platform_interface/google_sign_in_platform_interface.dart';
+import 'package:http/http.dart' as http;
+
+void main() {
+  runApp(
+    MaterialApp(
+      title: 'Google Sign In',
+      home: SignInDemo(),
+    ),
+  );
+}
+
+class SignInDemo extends StatefulWidget {
+  @override
+  State createState() => SignInDemoState();
+}
+
+class SignInDemoState extends State<SignInDemo> {
+  GoogleSignInUserData? _currentUser;
+  String _contactText = '';
+  // Future that completes when `init` has completed on the sign in instance.
+  Future<void>? _initialization;
+
+  @override
+  void initState() {
+    super.initState();
+    _signIn();
+  }
+
+  Future<void> _ensureInitialized() {
+    return _initialization ??= GoogleSignInPlatform.instance.init(
+      scopes: <String>[
+        'email',
+        'https://www.googleapis.com/auth/contacts.readonly',
+      ],
+    )..catchError((dynamic _) {
+        _initialization = null;
+      });
+  }
+
+  void _setUser(GoogleSignInUserData? user) {
+    setState(() {
+      _currentUser = user;
+      if (user != null) {
+        _handleGetContact(user);
+      }
+    });
+  }
+
+  Future<void> _signIn() async {
+    await _ensureInitialized();
+    final GoogleSignInUserData? newUser =
+        await GoogleSignInPlatform.instance.signInSilently();
+    _setUser(newUser);
+  }
+
+  Future<Map<String, String>> _getAuthHeaders() async {
+    final GoogleSignInUserData? user = _currentUser;
+    if (user == null) {
+      throw StateError('No user signed in');
+    }
+
+    final GoogleSignInTokenData response =
+        await GoogleSignInPlatform.instance.getTokens(
+      email: user.email,
+      shouldRecoverAuth: true,
+    );
+
+    return <String, String>{
+      'Authorization': 'Bearer ${response.accessToken}',
+      // TODO(kevmoo): Use the correct value once it's available.
+      // See https://github.com/flutter/flutter/issues/80905
+      'X-Goog-AuthUser': '0',
+    };
+  }
+
+  Future<void> _handleGetContact(GoogleSignInUserData user) async {
+    setState(() {
+      _contactText = 'Loading contact info...';
+    });
+    final http.Response response = await http.get(
+      Uri.parse('https://people.googleapis.com/v1/people/me/connections'
+          '?requestMask.includeField=person.names'),
+      headers: await _getAuthHeaders(),
+    );
+    if (response.statusCode != 200) {
+      setState(() {
+        _contactText = 'People API gave a ${response.statusCode} '
+            'response. Check logs for details.';
+      });
+      print('People API ${response.statusCode} response: ${response.body}');
+      return;
+    }
+    final Map<String, dynamic> data =
+        json.decode(response.body) as Map<String, dynamic>;
+    final int contactCount =
+        (data['connections'] as List<dynamic>?)?.length ?? 0;
+    setState(() {
+      _contactText = '$contactCount contacts found';
+    });
+  }
+
+  Future<void> _handleSignIn() async {
+    try {
+      await _ensureInitialized();
+      _setUser(await GoogleSignInPlatform.instance.signIn());
+    } catch (error) {
+      final bool canceled =
+          error is PlatformException && error.code == 'sign_in_canceled';
+      if (!canceled) {
+        print(error);
+      }
+    }
+  }
+
+  Future<void> _handleSignOut() async {
+    await _ensureInitialized();
+    await GoogleSignInPlatform.instance.disconnect();
+  }
+
+  Widget _buildBody() {
+    final GoogleSignInUserData? user = _currentUser;
+    if (user != null) {
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        children: <Widget>[
+          ListTile(
+            title: Text(user.displayName ?? ''),
+            subtitle: Text(user.email),
+          ),
+          const Text('Signed in successfully.'),
+          Text(_contactText),
+          ElevatedButton(
+            child: const Text('SIGN OUT'),
+            onPressed: _handleSignOut,
+          ),
+          ElevatedButton(
+            child: const Text('REFRESH'),
+            onPressed: () => _handleGetContact(user),
+          ),
+        ],
+      );
+    } else {
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        children: <Widget>[
+          const Text('You are not currently signed in.'),
+          ElevatedButton(
+            child: const Text('SIGN IN'),
+            onPressed: _handleSignIn,
+          ),
+        ],
+      );
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          title: const Text('Google Sign In'),
+        ),
+        body: ConstrainedBox(
+          constraints: const BoxConstraints.expand(),
+          child: _buildBody(),
+        ));
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in_ios/example/pubspec.yaml b/packages/google_sign_in/google_sign_in_ios/example/pubspec.yaml
new file mode 100644
index 0000000..f2d32c5
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/pubspec.yaml
@@ -0,0 +1,29 @@
+name: google_sign_in_example
+description: Example of Google Sign-In plugin.
+publish_to: none
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  google_sign_in_ios:
+    # When depending on this package from a real application you should use:
+    #   google_sign_in_ios: ^x.y.z
+    # See https://dart.dev/tools/pub/dependencies#version-constraints
+    # The example app is bundled with the plugin so we use a path dependency on
+    # the parent directory to use the current plugin's version.
+    path: ../
+  google_sign_in_platform_interface: ^2.1.0
+  http: ^0.13.0
+
+dev_dependencies:
+  flutter_driver:
+    sdk: flutter
+  integration_test:
+    sdk: flutter
+
+flutter:
+  uses-material-design: true
diff --git a/packages/google_sign_in/google_sign_in_ios/example/test_driver/integration_test.dart b/packages/google_sign_in/google_sign_in_ios/example/test_driver/integration_test.dart
new file mode 100644
index 0000000..4f10f2a
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/example/test_driver/integration_test.dart
@@ -0,0 +1,7 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:integration_test/integration_test_driver.dart';
+
+Future<void> main() => integrationDriver();
diff --git a/packages/google_sign_in/google_sign_in/ios/Assets/.gitkeep b/packages/google_sign_in/google_sign_in_ios/ios/Assets/.gitkeep
similarity index 100%
rename from packages/google_sign_in/google_sign_in/ios/Assets/.gitkeep
rename to packages/google_sign_in/google_sign_in_ios/ios/Assets/.gitkeep
diff --git a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.h b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.h
similarity index 100%
rename from packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.h
rename to packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.h
diff --git a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.m b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.m
similarity index 100%
rename from packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin.m
rename to packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.m
diff --git a/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.modulemap b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.modulemap
new file mode 100644
index 0000000..31e30d9
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin.modulemap
@@ -0,0 +1,10 @@
+framework module google_sign_in_ios {
+  umbrella header "google_sign_in_ios-umbrella.h"
+
+  export *
+  module * { export * }
+
+  explicit module Test {
+    header "FLTGoogleSignInPlugin_Test.h"
+  }
+}
diff --git a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin_Test.h b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin_Test.h
similarity index 89%
rename from packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin_Test.h
rename to packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin_Test.h
index 8fa6cf3..f8d5be6 100644
--- a/packages/google_sign_in/google_sign_in/ios/Classes/FLTGoogleSignInPlugin_Test.h
+++ b/packages/google_sign_in/google_sign_in_ios/ios/Classes/FLTGoogleSignInPlugin_Test.h
@@ -4,7 +4,7 @@
 
 // This header is available in the Test module. Import via "@import google_sign_in.Test;"
 
-#import <google_sign_in/FLTGoogleSignInPlugin.h>
+#import <google_sign_in_ios/FLTGoogleSignInPlugin.h>
 
 @class GIDSignIn;
 
diff --git a/packages/google_sign_in/google_sign_in/ios/Classes/google_sign_in-umbrella.h b/packages/google_sign_in/google_sign_in_ios/ios/Classes/google_sign_in_ios-umbrella.h
similarity index 85%
rename from packages/google_sign_in/google_sign_in/ios/Classes/google_sign_in-umbrella.h
rename to packages/google_sign_in/google_sign_in_ios/ios/Classes/google_sign_in_ios-umbrella.h
index 343c390..23b7e99 100644
--- a/packages/google_sign_in/google_sign_in/ios/Classes/google_sign_in-umbrella.h
+++ b/packages/google_sign_in/google_sign_in_ios/ios/Classes/google_sign_in_ios-umbrella.h
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 #import <Foundation/Foundation.h>
-#import <google_sign_in/FLTGoogleSignInPlugin.h>
+#import <google_sign_in_ios/FLTGoogleSignInPlugin.h>
 
 FOUNDATION_EXPORT double google_sign_inVersionNumber;
 FOUNDATION_EXPORT const unsigned char google_sign_inVersionString[];
diff --git a/packages/google_sign_in/google_sign_in/ios/google_sign_in.podspec b/packages/google_sign_in/google_sign_in_ios/ios/google_sign_in_ios.podspec
similarity index 89%
rename from packages/google_sign_in/google_sign_in/ios/google_sign_in.podspec
rename to packages/google_sign_in/google_sign_in_ios/ios/google_sign_in_ios.podspec
index 19ea753..f583f6c 100644
--- a/packages/google_sign_in/google_sign_in/ios/google_sign_in.podspec
+++ b/packages/google_sign_in/google_sign_in_ios/ios/google_sign_in_ios.podspec
@@ -2,7 +2,7 @@
 # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
 #
 Pod::Spec.new do |s|
-  s.name             = 'google_sign_in'
+  s.name             = 'google_sign_in_ios'
   s.version          = '0.0.1'
   s.summary          = 'Google Sign-In plugin for Flutter'
   s.description      = <<-DESC
@@ -11,7 +11,7 @@
   s.homepage         = 'https://github.com/flutter/plugins/tree/main/packages/google_sign_in'
   s.license          = { :type => 'BSD', :file => '../LICENSE' }
   s.author           = { 'Flutter Team' => 'flutter-dev@googlegroups.com' }
-  s.source           = { :http => 'https://github.com/flutter/plugins/tree/master/packages/google_sign_in' }
+  s.source           = { :http => 'https://github.com/flutter/plugins/tree/master/packages/google_sign_in/google_sign_in_ios' }
   s.source_files = 'Classes/**/*.{h,m}'
   s.public_header_files = 'Classes/**/*.h'
   s.module_map = 'Classes/FLTGoogleSignInPlugin.modulemap'
diff --git a/packages/google_sign_in/google_sign_in_ios/pubspec.yaml b/packages/google_sign_in/google_sign_in_ios/pubspec.yaml
new file mode 100644
index 0000000..52c4f77
--- /dev/null
+++ b/packages/google_sign_in/google_sign_in_ios/pubspec.yaml
@@ -0,0 +1,35 @@
+name: google_sign_in_ios
+description: Android implementation of the google_sign_in plugin.
+repository: https://github.com/flutter/plugins/tree/main/packages/google_sign_in/google_sign_in_ios
+issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+google_sign_in%22
+version: 5.2.5
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+flutter:
+  plugin:
+    implements: google_sign_in
+    platforms:
+      ios:
+        pluginClass: FLTGoogleSignInPlugin
+
+dependencies:
+  flutter:
+    sdk: flutter
+  google_sign_in_platform_interface: ^2.1.0
+
+dev_dependencies:
+  flutter_driver:
+    sdk: flutter
+  flutter_test:
+    sdk: flutter
+  integration_test:
+    sdk: flutter
+
+# The example deliberately includes limited-use secrets.
+false_secrets:
+  - /example/ios/Runner/GoogleService-Info.plist
+  - /example/ios/RunnerTests/GoogleSignInTests.m
+  - /example/lib/main.dart