Add integration test for platform interaction (#11580)

diff --git a/dev/devicelab/bin/tasks/platform_interaction_test.dart b/dev/devicelab/bin/tasks/platform_interaction_test.dart
new file mode 100644
index 0000000..79e7f5f
--- /dev/null
+++ b/dev/devicelab/bin/tasks/platform_interaction_test.dart
@@ -0,0 +1,14 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+
+import 'package:flutter_devicelab/framework/adb.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/integration_tests.dart';
+
+Future<Null> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.android;
+  await task(createPlatformInteractionTest());
+}
diff --git a/dev/devicelab/bin/tasks/platform_interaction_test_ios.dart b/dev/devicelab/bin/tasks/platform_interaction_test_ios.dart
new file mode 100644
index 0000000..189ffef
--- /dev/null
+++ b/dev/devicelab/bin/tasks/platform_interaction_test_ios.dart
@@ -0,0 +1,14 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+
+import 'package:flutter_devicelab/framework/adb.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/integration_tests.dart';
+
+Future<Null> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.ios;
+  await task(createPlatformInteractionTest());
+}
diff --git a/dev/devicelab/lib/tasks/integration_tests.dart b/dev/devicelab/lib/tasks/integration_tests.dart
index 557e245..b5aea30 100644
--- a/dev/devicelab/lib/tasks/integration_tests.dart
+++ b/dev/devicelab/lib/tasks/integration_tests.dart
@@ -16,6 +16,13 @@
   );
 }
 
+TaskFunction createPlatformInteractionTest() {
+  return new DriverTest(
+    '${flutterDirectory.path}/dev/integration_tests/platform_interaction',
+    'lib/main.dart',
+  );
+}
+
 TaskFunction createPlatformChannelSampleTest() {
   return new DriverTest(
     '${flutterDirectory.path}/examples/platform_channel',
diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 4cc1422..c06e442 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -65,6 +65,12 @@
     stage: devicelab
     required_agent_capabilities: ["has-android-device"]
 
+  platform_interaction_test:
+    description: >
+      Checks platform interaction on Android.
+    stage: devicelab
+    required_agent_capabilities: ["has-android-device"]
+
   platform_channel_sample_test:
     description: >
      Runs a driver test on the Platform Channel sample app on Android.
@@ -161,6 +167,12 @@
     stage: devicelab_ios
     required_agent_capabilities: ["has-ios-device"]
 
+  platform_interaction_test_ios:
+    description: >
+      Checks platform interaction on iOS.
+    stage: devicelab_ios
+    required_agent_capabilities: ["has-ios-device"]
+
   platform_channel_sample_test_ios:
     description: >
       Runs a driver test on the Platform Channel sample app on iOS.
diff --git a/dev/integration_tests/channels/ios/Runner.xcodeproj/project.pbxproj b/dev/integration_tests/channels/ios/Runner.xcodeproj/project.pbxproj
index f5c72c6..8318015 100644
--- a/dev/integration_tests/channels/ios/Runner.xcodeproj/project.pbxproj
+++ b/dev/integration_tests/channels/ios/Runner.xcodeproj/project.pbxproj
@@ -91,7 +91,6 @@
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
-				CF3B75C9A7D2FA2A4C99F110 /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
diff --git a/dev/integration_tests/platform_interaction/.gitignore b/dev/integration_tests/platform_interaction/.gitignore
new file mode 100644
index 0000000..eb15c3d
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/.gitignore
@@ -0,0 +1,10 @@
+.DS_Store
+.atom/
+.idea
+.packages
+.pub/
+build/
+ios/.generated/
+packages
+pubspec.lock
+.flutter-plugins
diff --git a/dev/integration_tests/platform_interaction/README.md b/dev/integration_tests/platform_interaction/README.md
new file mode 100644
index 0000000..0544232
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/README.md
@@ -0,0 +1,3 @@
+# platform_interaction
+
+Integration test of platform interaction.
diff --git a/dev/integration_tests/platform_interaction/android/.gitignore b/dev/integration_tests/platform_interaction/android/.gitignore
new file mode 100644
index 0000000..3caaa44
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/.gitignore
@@ -0,0 +1,13 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+GeneratedPluginRegistrant.java
+
+gradle-wrapper.jar
+/gradlew
+/gradlew.bat
diff --git a/dev/integration_tests/platform_interaction/android/app/build.gradle b/dev/integration_tests/platform_interaction/android/app/build.gradle
new file mode 100644
index 0000000..40c3dca
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/build.gradle
@@ -0,0 +1,58 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withInputStream { stream ->
+        localProperties.load(stream)
+    }
+}
+
+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.")
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 25
+        versionCode 1
+        versionName "0.0.1"
+        testInstrumentationRunner "android.support.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
+        }
+    }
+
+    aaptOptions {
+        // TODO(goderbauer): remove when https://github.com/flutter/flutter/issues/8986 is resolved.
+        if(System.getenv("FLUTTER_CI_WIN")) {
+            println "AAPT cruncher disabled when running on Win CI."
+            cruncherEnabled false
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    androidTestCompile 'com.android.support:support-annotations:25.4.0'
+    androidTestCompile 'com.android.support.test:runner:0.5'
+    androidTestCompile 'com.android.support.test:rules:0.5'
+}
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/AndroidManifest.xml b/dev/integration_tests/platform_interaction/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..03a3104
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,28 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.yourcompany.platforminteraction">
+
+    <!-- The INTERNET permission is required for development. Specifically,
+         flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application android:name="io.flutter.app.FlutterApplication" android:label="Platform Interaction" android:icon="@mipmap/ic_launcher">
+        <activity android:name="com.yourcompany.platforminteraction.MainActivity"
+                  android:launchMode="singleTop"
+                  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>
+    </application>
+</manifest>
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/java/com/yourcompany/platforminteraction/MainActivity.java b/dev/integration_tests/platform_interaction/android/app/src/main/java/com/yourcompany/platforminteraction/MainActivity.java
new file mode 100644
index 0000000..2722283
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/java/com/yourcompany/platforminteraction/MainActivity.java
@@ -0,0 +1,24 @@
+// Copyright 2017 The Chromium 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 com.yourcompany.platforminteraction;
+
+import android.os.Bundle;
+
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugin.common.*;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class MainActivity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    GeneratedPluginRegistrant.registerWith(this);
+  }
+  public void finish() {
+    BasicMessageChannel channel =
+        new BasicMessageChannel<>(getFlutterView(), "navigation-test", StringCodec.INSTANCE);
+    channel.send("ping");
+  }
+}
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..db77bb4
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..17987b7
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..09d4391
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..d5f1c8d
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..4d6372e
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/android/build.gradle b/dev/integration_tests/platform_interaction/android/build.gradle
new file mode 100644
index 0000000..77cbd09
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/build.gradle
@@ -0,0 +1,31 @@
+buildscript {
+    repositories {
+        jcenter()
+        maven {
+            url "https://maven.google.com"
+        }
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.3'
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+        maven {
+            url "https://maven.google.com"
+        }
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/dev/integration_tests/platform_interaction/android/gradle.properties b/dev/integration_tests/platform_interaction/android/gradle.properties
new file mode 100644
index 0000000..8bd86f6
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/gradle.properties
@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1536M
diff --git a/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100755
index 0000000..45e7f14
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/dev/integration_tests/platform_interaction/android/settings.gradle b/dev/integration_tests/platform_interaction/android/settings.gradle
new file mode 100644
index 0000000..115da6c
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/android/settings.gradle
@@ -0,0 +1,15 @@
+include ':app'
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withInputStream { stream -> plugins.load(stream) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}
diff --git a/dev/integration_tests/platform_interaction/ios/.gitignore b/dev/integration_tests/platform_interaction/ios/.gitignore
new file mode 100644
index 0000000..38864ee
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/.gitignore
@@ -0,0 +1,41 @@
+.idea/
+.vagrant/
+.sconsign.dblite
+.svn/
+
+.DS_Store
+*.swp
+profile
+
+DerivedData/
+build/
+GeneratedPluginRegistrant.h
+GeneratedPluginRegistrant.m
+
+*.pbxuser
+*.mode1v3
+*.mode2v3
+*.perspectivev3
+
+!default.pbxuser
+!default.mode1v3
+!default.mode2v3
+!default.perspectivev3
+
+xcuserdata
+
+*.moved-aside
+
+*.pyc
+*sync/
+Icon?
+.tags*
+
+/Flutter/app.flx
+/Flutter/app.zip
+/Flutter/App.framework
+/Flutter/Flutter.framework
+/Flutter/Generated.xcconfig
+/ServiceDefinitions.json
+
+Pods/
diff --git a/dev/integration_tests/platform_interaction/ios/Flutter/AppFrameworkInfo.plist b/dev/integration_tests/platform_interaction/ios/Flutter/AppFrameworkInfo.plist
new file mode 100644
index 0000000..6c2de80
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/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>8.0</string>
+</dict>
+</plist>
diff --git a/dev/integration_tests/platform_interaction/ios/Flutter/Debug.xcconfig b/dev/integration_tests/platform_interaction/ios/Flutter/Debug.xcconfig
new file mode 100644
index 0000000..592ceee
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Flutter/Debug.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/dev/integration_tests/platform_interaction/ios/Flutter/Release.xcconfig b/dev/integration_tests/platform_interaction/ios/Flutter/Release.xcconfig
new file mode 100644
index 0000000..592ceee
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Flutter/Release.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.pbxproj b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..8c4972e
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,429 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		2D11032A1F3B34710058E41B /* TestNavigationController.m in Sources */ = {isa = PBXBuildFile; fileRef = 2D1103291F3B34710058E41B /* TestNavigationController.m */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
+		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
+		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */ = {isa = PBXBuildFile; fileRef = 9740EEB21CF90195004384FC /* Debug.xcconfig */; };
+		9740EEB51CF90195004384FC /* Generated.xcconfig in Resources */ = {isa = PBXBuildFile; fileRef = 9740EEB31CF90195004384FC /* Generated.xcconfig */; };
+		9740EEBB1CF902C7004384FC /* app.flx in Resources */ = {isa = PBXBuildFile; fileRef = 9740EEB71CF902C7004384FC /* app.flx */; };
+		978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */; };
+		97C146F31CF9000F007C117D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 97C146F21CF9000F007C117D /* main.m */; };
+		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
+		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
+		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+				3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */,
+				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
+		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		2D1103281F3B345C0058E41B /* TestNavigationController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TestNavigationController.h; sourceTree = "<group>"; };
+		2D1103291F3B34710058E41B /* TestNavigationController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TestNavigationController.m; sourceTree = "<group>"; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
+		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
+		7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
+		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
+		9740EEB71CF902C7004384FC /* app.flx */ = {isa = PBXFileReference; lastKnownFileType = file; name = app.flx; path = Flutter/app.flx; sourceTree = "<group>"; };
+		9740EEBA1CF902C7004384FC /* Flutter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Flutter.framework; path = Flutter/Flutter.framework; sourceTree = "<group>"; };
+		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		97C146F21CF9000F007C117D /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
+		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
+		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
+		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
+		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		97C146EB1CF9000F007C117D /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
+				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		9740EEB11CF90186004384FC /* Flutter */ = {
+			isa = PBXGroup;
+			children = (
+				9740EEB71CF902C7004384FC /* app.flx */,
+				3B80C3931E831B6300D905FE /* App.framework */,
+				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
+				9740EEBA1CF902C7004384FC /* Flutter.framework */,
+				9740EEB21CF90195004384FC /* Debug.xcconfig */,
+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				9740EEB31CF90195004384FC /* Generated.xcconfig */,
+			);
+			name = Flutter;
+			sourceTree = "<group>";
+		};
+		97C146E51CF9000F007C117D = {
+			isa = PBXGroup;
+			children = (
+				9740EEB11CF90186004384FC /* Flutter */,
+				97C146F01CF9000F007C117D /* Runner */,
+				97C146EF1CF9000F007C117D /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		97C146EF1CF9000F007C117D /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				97C146EE1CF9000F007C117D /* Runner.app */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		97C146F01CF9000F007C117D /* Runner */ = {
+			isa = PBXGroup;
+			children = (
+				7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */,
+				7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */,
+				97C146FA1CF9000F007C117D /* Main.storyboard */,
+				97C146FD1CF9000F007C117D /* Assets.xcassets */,
+				97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */,
+				97C146F11CF9000F007C117D /* Supporting Files */,
+				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
+				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
+				97C147021CF9000F007C117D /* Info.plist */,
+				2D1103281F3B345C0058E41B /* TestNavigationController.h */,
+				2D1103291F3B34710058E41B /* TestNavigationController.m */,
+			);
+			path = Runner;
+			sourceTree = "<group>";
+		};
+		97C146F11CF9000F007C117D /* Supporting Files */ = {
+			isa = PBXGroup;
+			children = (
+				97C146F21CF9000F007C117D /* main.m */,
+			);
+			name = "Supporting Files";
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		97C146ED1CF9000F007C117D /* Runner */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
+			buildPhases = (
+				9740EEB61CF901F6004384FC /* Run Script */,
+				97C146EA1CF9000F007C117D /* Sources */,
+				97C146EB1CF9000F007C117D /* Frameworks */,
+				97C146EC1CF9000F007C117D /* Resources */,
+				9705A1C41CF9048500538489 /* Embed Frameworks */,
+				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = Runner;
+			productName = Runner;
+			productReference = 97C146EE1CF9000F007C117D /* Runner.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		97C146E61CF9000F007C117D /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0830;
+				ORGANIZATIONNAME = "The Chromium Authors";
+				TargetAttributes = {
+					97C146ED1CF9000F007C117D = {
+						CreatedOnToolsVersion = 7.3.1;
+					};
+				};
+			};
+			buildConfigurationList = 97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+				Base,
+			);
+			mainGroup = 97C146E51CF9000F007C117D;
+			productRefGroup = 97C146EF1CF9000F007C117D /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				97C146ED1CF9000F007C117D /* Runner */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		97C146EC1CF9000F007C117D /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				9740EEBB1CF902C7004384FC /* app.flx in Resources */,
+				97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
+				9740EEB51CF90195004384FC /* Generated.xcconfig in Resources */,
+				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
+				9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */,
+				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
+				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXShellScriptBuildPhase section */
+		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "Thin Binary";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" thin";
+		};
+		9740EEB61CF901F6004384FC /* Run Script */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+			);
+			name = "Run Script";
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		97C146EA1CF9000F007C117D /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */,
+				2D11032A1F3B34710058E41B /* TestNavigationController.m in Sources */,
+				97C146F31CF9000F007C117D /* main.m in Sources */,
+				1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin PBXVariantGroup section */
+		97C146FA1CF9000F007C117D /* Main.storyboard */ = {
+			isa = PBXVariantGroup;
+			children = (
+				97C146FB1CF9000F007C117D /* Base */,
+			);
+			name = Main.storyboard;
+			sourceTree = "<group>";
+		};
+		97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */ = {
+			isa = PBXVariantGroup;
+			children = (
+				97C147001CF9000F007C117D /* Base */,
+			);
+			name = LaunchScreen.storyboard;
+			sourceTree = "<group>";
+		};
+/* End PBXVariantGroup section */
+
+/* Begin XCBuildConfiguration section */
+		97C147031CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		97C147041CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		97C147061CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ARCHS = arm64;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ENABLE_BITCODE = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/Flutter",
+				);
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/Flutter",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.platforminteraction;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		97C147071CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ARCHS = arm64;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ENABLE_BITCODE = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/Flutter",
+				);
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"$(PROJECT_DIR)/Flutter",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.yourcompany.platforminteraction;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			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;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}
diff --git a/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..1d526a1
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 0000000..1c95807
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0830"
+   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">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </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>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </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/dev/integration_tests/platform_interaction/ios/Runner.xcworkspace/contents.xcworkspacedata b/dev/integration_tests/platform_interaction/ios/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..1d526a1
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.h b/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.h
new file mode 100644
index 0000000..138b680
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.h
@@ -0,0 +1,10 @@
+// Copyright 2017 The Chromium 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 <UIKit/UIKit.h>
+#import <Flutter/Flutter.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.m b/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.m
new file mode 100644
index 0000000..dfa4361
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/AppDelegate.m
@@ -0,0 +1,15 @@
+// Copyright 2017 The Chromium 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];
+  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 0000000..d22f10b
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/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/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
new file mode 100644
index 0000000..28c6bf0
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
new file mode 100644
index 0000000..2ccbfd9
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
new file mode 100644
index 0000000..f091b6b
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
new file mode 100644
index 0000000..4cde121
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
new file mode 100644
index 0000000..d0ef06e
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
new file mode 100644
index 0000000..dcdc230
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
new file mode 100644
index 0000000..2ccbfd9
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
new file mode 100644
index 0000000..c8f9ed8
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
new file mode 100644
index 0000000..a6d6b86
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
new file mode 100644
index 0000000..a6d6b86
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
new file mode 100644
index 0000000..75b2d16
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
new file mode 100644
index 0000000..c4df70d
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
new file mode 100644
index 0000000..6a84f41
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
new file mode 100644
index 0000000..d0e1f58
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
Binary files differ
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Base.lproj/LaunchScreen.storyboard b/dev/integration_tests/platform_interaction/ios/Runner/Base.lproj/LaunchScreen.storyboard
new file mode 100644
index 0000000..ebf48f6
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/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/dev/integration_tests/platform_interaction/ios/Runner/Base.lproj/Main.storyboard b/dev/integration_tests/platform_interaction/ios/Runner/Base.lproj/Main.storyboard
new file mode 100644
index 0000000..08685c4
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="hIq-15-ITu">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </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="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    </view>
+                    <navigationItem key="navigationItem" id="GUu-dA-3Cs"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="1055.2" y="123.68815592203899"/>
+        </scene>
+        <!--Test Navigation Controller-->
+        <scene sceneID="dG3-WE-vKQ">
+            <objects>
+                <navigationController automaticallyAdjustsScrollViewInsets="NO" id="hIq-15-ITu" customClass="TestNavigationController" sceneMemberID="viewController">
+                    <toolbarItems/>
+                    <navigationBar key="navigationBar" contentMode="scaleToFill" id="Tam-uN-fcI">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="44"/>
+                        <autoresizingMask key="autoresizingMask"/>
+                    </navigationBar>
+                    <nil name="viewControllers"/>
+                    <connections>
+                        <segue destination="BYZ-38-t0r" kind="relationship" relationship="rootViewController" id="0aD-1I-Wci"/>
+                    </connections>
+                </navigationController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="8XK-Xi-qiO" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="189.59999999999999" y="777.66116941529242"/>
+        </scene>
+    </scenes>
+</document>
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/Info.plist b/dev/integration_tests/platform_interaction/ios/Runner/Info.plist
new file mode 100644
index 0000000..6efc899
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/Info.plist
@@ -0,0 +1,49 @@
+<?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>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>platforminteraction</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<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/>
+</dict>
+</plist>
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.h b/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.h
new file mode 100644
index 0000000..64de4b9
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.h
@@ -0,0 +1,9 @@
+// Copyright 2017 The Chromium 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 <UIKit/UIKit.h>
+
+@interface TestNavigationController: UINavigationController
+
+@end
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.m b/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.m
new file mode 100644
index 0000000..45c58da
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/TestNavigationController.m
@@ -0,0 +1,27 @@
+// Copyright 2017 The Chromium 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 <Foundation/Foundation.h>
+#import "TestNavigationController.h"
+#import <Flutter/Flutter.h>
+
+@implementation TestNavigationController
+
+- (void) viewWillAppear:(BOOL)animated {
+  [self setNavigationBarHidden:YES animated:NO];
+  [super viewWillAppear:animated];
+}
+
+- (nullable UIViewController *)popViewControllerAnimated:(BOOL)animated {
+  FlutterViewController* root = (FlutterViewController*)[self.viewControllers objectAtIndex:0];
+  
+  FlutterBasicMessageChannel* messageChannel =
+      [FlutterBasicMessageChannel messageChannelWithName:@"navigation-test"
+                                         binaryMessenger:root
+                                                   codec:[FlutterStringCodec sharedInstance]];
+  [messageChannel sendMessage:@"ping"];
+  return root;
+}
+
+@end
diff --git a/dev/integration_tests/platform_interaction/ios/Runner/main.m b/dev/integration_tests/platform_interaction/ios/Runner/main.m
new file mode 100644
index 0000000..945818b
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/ios/Runner/main.m
@@ -0,0 +1,14 @@
+// Copyright 2017 The Chromium 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 <UIKit/UIKit.h>
+#import <Flutter/Flutter.h>
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil,
+                                 NSStringFromClass([AppDelegate class]));
+    }
+}
diff --git a/dev/integration_tests/platform_interaction/lib/main.dart b/dev/integration_tests/platform_interaction/lib/main.dart
new file mode 100644
index 0000000..5a10cc9
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/lib/main.dart
@@ -0,0 +1,74 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_driver/driver_extension.dart';
+
+import 'src/system_navigation.dart';
+import 'src/test_step.dart';
+
+void main() {
+  enableFlutterDriverExtension();
+  runApp(new TestApp());
+}
+
+class TestApp extends StatefulWidget {
+  @override
+  _TestAppState createState() => new _TestAppState();
+}
+
+class _TestAppState extends State<TestApp> {
+  static final List<TestStep> steps = <TestStep>[
+    () => systemNavigatorPop(),
+  ];
+  Future<TestStepResult> _result;
+  int _step = 0;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  void _executeNextStep() {
+    setState(() {
+      if (_step < steps.length)
+        _result = steps[_step++]();
+      else
+        _result = new Future<TestStepResult>.value(TestStepResult.complete);
+    });
+  }
+
+  Widget _buildTestResultWidget(
+    BuildContext context,
+    AsyncSnapshot<TestStepResult> snapshot,
+  ) {
+    return new TestStepResult.fromSnapshot(snapshot).asWidget(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new MaterialApp(
+      title: 'Platform Interaction Test',
+      home: new Scaffold(
+        appBar: new AppBar(
+          title: const Text('Platform Interaction Test'),
+        ),
+        body: new Padding(
+          padding: const EdgeInsets.all(20.0),
+          child: new FutureBuilder<TestStepResult>(
+            future: _result,
+            builder: _buildTestResultWidget,
+          ),
+        ),
+        floatingActionButton: new FloatingActionButton(
+          key: const ValueKey<String>('step'),
+          onPressed: _executeNextStep,
+          child: const Icon(Icons.navigate_next),
+        ),
+      ),
+    );
+  }
+}
diff --git a/dev/integration_tests/platform_interaction/lib/src/system_navigation.dart b/dev/integration_tests/platform_interaction/lib/src/system_navigation.dart
new file mode 100644
index 0000000..3a02b00
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/lib/src/system_navigation.dart
@@ -0,0 +1,24 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+import 'package:flutter/services.dart';
+import 'test_step.dart';
+
+Future<TestStepResult> systemNavigatorPop() {
+  const BasicMessageChannel<String> channel = const BasicMessageChannel<String>(
+    'navigation-test',
+    const StringCodec(),
+  );
+
+  final Completer<TestStepResult> completer = new Completer<TestStepResult>();
+
+  channel.setMessageHandler((String message) async {
+    completer.complete(
+        new TestStepResult('System navigation pop', '', TestStatus.ok));
+    return '';
+  });
+  SystemNavigator.pop();
+  return completer.future;
+}
diff --git a/dev/integration_tests/platform_interaction/lib/src/test_step.dart b/dev/integration_tests/platform_interaction/lib/src/test_step.dart
new file mode 100644
index 0000000..3ed5523
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/lib/src/test_step.dart
@@ -0,0 +1,64 @@
+// Copyright 2017 The Chromium 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 'dart:async';
+
+import 'package:flutter/material.dart';
+
+enum TestStatus { ok, pending, failed, complete }
+
+typedef Future<TestStepResult> TestStep();
+
+const String nothing = '-';
+
+class TestStepResult {
+  static const TextStyle bold = const TextStyle(fontWeight: FontWeight.bold);
+  static const TestStepResult complete = const TestStepResult(
+    'Test complete',
+    nothing,
+    TestStatus.complete,
+  );
+
+  const TestStepResult(this.name, this.description, this.status);
+
+  factory TestStepResult.fromSnapshot(AsyncSnapshot<TestStepResult> snapshot) {
+    switch (snapshot.connectionState) {
+      case ConnectionState.none:
+        return const TestStepResult('Not started', nothing, TestStatus.ok);
+      case ConnectionState.waiting:
+        return const TestStepResult('Executing', nothing, TestStatus.pending);
+      case ConnectionState.done:
+        if (snapshot.hasData) {
+          return snapshot.data;
+        } else {
+          final TestStepResult result = snapshot.error;
+          return result;
+        }
+        break;
+      default:
+        throw 'Unsupported state ${snapshot.connectionState}';
+    }
+  }
+
+  final String name;
+  final String description;
+  final TestStatus status;
+
+  Widget asWidget(BuildContext context) {
+    return new Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: <Widget>[
+        new Text('Step: $name', style: bold),
+        new Text(description),
+        const Text(' '),
+        new Text(
+          status.toString().substring('TestStatus.'.length),
+          key: new ValueKey<String>(
+              status == TestStatus.pending ? 'nostatus' : 'status'),
+          style: bold,
+        ),
+      ],
+    );
+  }
+}
diff --git a/dev/integration_tests/platform_interaction/pubspec.yaml b/dev/integration_tests/platform_interaction/pubspec.yaml
new file mode 100644
index 0000000..1fecbc9
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/pubspec.yaml
@@ -0,0 +1,10 @@
+name: platform_interaction
+description: Integration test for platform interactions.
+
+dependencies:
+  flutter:
+    sdk: flutter
+  flutter_driver:
+    sdk: flutter
+flutter:
+  uses-material-design: true
diff --git a/dev/integration_tests/platform_interaction/test_driver/main_test.dart b/dev/integration_tests/platform_interaction/test_driver/main_test.dart
new file mode 100644
index 0000000..1048c69
--- /dev/null
+++ b/dev/integration_tests/platform_interaction/test_driver/main_test.dart
@@ -0,0 +1,34 @@
+// Copyright 2017 The Chromium 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_driver/flutter_driver.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('channel suite', () {
+    FlutterDriver driver;
+
+    setUpAll(() async {
+      driver = await FlutterDriver.connect();
+    });
+
+    test('step through', () async {
+      final SerializableFinder stepButton = find.byValueKey('step');
+      final SerializableFinder statusField = find.byValueKey('status');
+      int step = 0;
+      while (await driver.getText(statusField) == 'ok') {
+        await driver.tap(stepButton);
+        step++;
+      }
+      final String status = await driver.getText(statusField);
+      if (status != 'complete') {
+        fail('Failed at step $step with status $status');
+      }
+    });
+
+    tearDownAll(() async {
+      driver?.close();
+    });
+  });
+}