[Pigeon] added iOS e2e tests and fixed dart style warnings (#143)

packages/pigeon/.gitignore

@@ -1,4 +1,15 @@
 build/
 e2e_tests/test_objc/ios/Flutter/
 platform_tests/ios_unit_tests/ios/Runner/messages.h
-platform_tests/ios_unit_tests/ios/Runner/messages.m
+platform_tests/ios_unit_tests/ios/Runner/messages.m
+xcuserdata/
+.gradle/
+.flutter-plugins
+.flutter-plugins-dependencies
+*.iml
+**/.symlinks/
+gradlew
+gradlew.bat
+local.properties
+gradle-wrapper.jar
+

packages/pigeon/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.1.0-experimental.9
+
+* Added e2e tests for iOS.
+
 ## 0.1.0-experimental.8
 
 * Renamed `setupPigeon` to `configurePigeon`.

packages/pigeon/e2e_tests/test_objc/README.md

@@ -0,0 +1,3 @@
+# test_objc
+
+The testbed app for E2E tests.

packages/pigeon/e2e_tests/test_objc/android/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>android</name>
+	<comment>Project android created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

packages/pigeon/e2e_tests/test_objc/android/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,2 @@
+connection.project.dir=
+eclipse.preferences.version=1

packages/pigeon/e2e_tests/test_objc/android/app/.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-10/"/>
+	<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
+	<classpathentry kind="output" path="bin/default"/>
+</classpath>

packages/pigeon/e2e_tests/test_objc/android/app/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>app</name>
+	<comment>Project app created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

packages/pigeon/e2e_tests/test_objc/android/app/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,2 @@
+connection.project.dir=..
+eclipse.preferences.version=1

packages/pigeon/e2e_tests/test_objc/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 plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 28
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.example.test_objc"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+}

packages/pigeon/e2e_tests/test_objc/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.test_objc">
+    <!-- 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"/>
+</manifest>

packages/pigeon/e2e_tests/test_objc/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,30 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.test_objc">
+    <!-- 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="test_objc"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            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>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>

packages/pigeon/e2e_tests/test_objc/android/app/src/main/kotlin/com/example/test_objc/MainActivity.kt

@@ -0,0 +1,12 @@
+package com.example.test_objc
+
+import androidx.annotation.NonNull;
+import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugins.GeneratedPluginRegistrant
+
+class MainActivity: FlutterActivity() {
+    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine);
+    }
+}

packages/pigeon/e2e_tests/test_objc/android/app/src/main/res/drawable/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

packages/pigeon/e2e_tests/test_objc/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>

packages/pigeon/e2e_tests/test_objc/android/app/src/profile/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.test_objc">
+    <!-- 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"/>
+</manifest>

packages/pigeon/e2e_tests/test_objc/android/build.gradle

@@ -0,0 +1,31 @@
+buildscript {
+    ext.kotlin_version = '1.3.50'
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

packages/pigeon/e2e_tests/test_objc/android/gradle.properties

@@ -0,0 +1,4 @@
+org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

packages/pigeon/e2e_tests/test_objc/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-5.6.2-all.zip

packages/pigeon/e2e_tests/test_objc/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.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}

packages/pigeon/e2e_tests/test_objc/ios/Podfile

@@ -0,0 +1,88 @@
+# 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 parse_KV_file(file, separator='=')
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return [];
+  end
+  generated_key_values = {}
+  skip_line_start_symbols = ["#", "/"]
+  File.foreach(file_abs_path) do |line|
+    next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
+    plugin = line.split(pattern=separator)
+    if plugin.length == 2
+      podname = plugin[0].strip()
+      path = plugin[1].strip()
+      podpath = File.expand_path("#{path}", file_abs_path)
+      generated_key_values[podname] = podpath
+    else
+      puts "Invalid plugin specification: #{line}"
+    end
+  end
+  generated_key_values
+end
+
+target 'Runner' do
+  # Flutter Pod
+  use_frameworks!
+
+  copied_flutter_dir = File.join(__dir__, 'Flutter')
+  copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
+  copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
+  unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
+    # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
+    # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
+    # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
+
+    generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
+    unless File.exist?(generated_xcode_build_settings_path)
+      raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+    end
+    generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
+    cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
+
+    unless File.exist?(copied_framework_path)
+      FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
+    end
+    unless File.exist?(copied_podspec_path)
+      FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
+    end
+  end
+
+  # Keep pod path relative so it can be checked into Podfile.lock.
+  pod 'Flutter', :path => 'Flutter'
+
+  # Plugin Pods
+
+  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
+  # referring to absolute paths on developers' machines.
+  system('rm -rf .symlinks')
+  system('mkdir -p .symlinks/plugins')
+  plugin_pods = parse_KV_file('../.flutter-plugins')
+  plugin_pods.each do |name, path|
+    symlink = File.join('.symlinks', 'plugins', name)
+    File.symlink(path, symlink)
+    pod name, :path => File.join(symlink, 'ios')
+  end
+end
+
+# Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system.
+install! 'cocoapods', :disable_input_output_paths => true
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    target.build_configurations.each do |config|
+      config.build_settings['ENABLE_BITCODE'] = 'NO'
+    end
+  end
+end

packages/pigeon/e2e_tests/test_objc/ios/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,737 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		0D89130E23C8F951005E0326 /* dartle.m in Sources */ = {isa = PBXBuildFile; fileRef = 0D89130D23C8F951005E0326 /* dartle.m */; };
+		0D89131123C8FB14005E0326 /* MyFlutterViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 0D89131023C8FB14005E0326 /* MyFlutterViewController.m */; };
+		0D89131423C8FCD2005E0326 /* MyApi.m in Sources */ = {isa = PBXBuildFile; fileRef = 0D89131323C8FCD2005E0326 /* MyApi.m */; };
+		0DD149D423C926D900ABB3D6 /* RunnerTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 0DD149D323C926D900ABB3D6 /* RunnerTests.m */; };
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		5F4169D8C45B4C68F36D3EDA /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = C06A312A3EB22F18BB22C39C /* Pods_Runner.framework */; };
+		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 PBXContainerItemProxy section */
+		0DD149D623C926D900ABB3D6 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 97C146E61CF9000F007C117D /* Project object */;
+			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 */
+		0D89130C23C8F951005E0326 /* dartle.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = dartle.h; sourceTree = "<group>"; };
+		0D89130D23C8F951005E0326 /* dartle.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = dartle.m; sourceTree = "<group>"; };
+		0D89130F23C8FB14005E0326 /* MyFlutterViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MyFlutterViewController.h; sourceTree = "<group>"; };
+		0D89131023C8FB14005E0326 /* MyFlutterViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MyFlutterViewController.m; sourceTree = "<group>"; };
+		0D89131223C8FCD2005E0326 /* MyApi.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MyApi.h; sourceTree = "<group>"; };
+		0D89131323C8FCD2005E0326 /* MyApi.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MyApi.m; sourceTree = "<group>"; };
+		0DD149D123C926D900ABB3D6 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		0DD149D323C926D900ABB3D6 /* RunnerTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = RunnerTests.m; sourceTree = "<group>"; };
+		0DD149D523C926D900ABB3D6 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		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>"; };
+		29BF8B7A9D0A8441FBFB29F1 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
+		3B0FDBA7A0766A60FD7C1D91 /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
+		3DE0496B7DCC7F565F839974 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; 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>"; };
+		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>"; };
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+				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_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				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;
+			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_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = 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_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				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;
+				SUPPORTED_PLATFORMS = iphoneos;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		97C147061CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				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)",
+					"$(PROJECT_DIR)/Flutter",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.example.testObjc;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Debug;
+		};
+		97C147071CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				FRAMEWORK_SEARCH_PATHS = (
+					"$(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.example.testObjc;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		0DD149DB23C926D900ABB3D6 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				0DD149D823C926D900ABB3D6 /* Debug */,
+				0DD149D923C926D900ABB3D6 /* Release */,
+				0DD149DA23C926D900ABB3D6 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+				249021D3217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+				249021D4217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}

packages/pigeon/e2e_tests/test_objc/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>

packages/pigeon/e2e_tests/test_objc/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1020"
+   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 = "0DD149D023C926D900ABB3D6"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               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 = "Profile"
+      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>

packages/pigeon/e2e_tests/test_objc/ios/Runner.xcodeproj/xcshareddata/xcschemes/RunnerTests.xcscheme

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1130"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "0DD149D023C926D900ABB3D6"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               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">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

packages/pigeon/e2e_tests/test_objc/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>

packages/pigeon/e2e_tests/test_objc/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>

packages/pigeon/e2e_tests/test_objc/ios/Runner/AppDelegate.h

@@ -0,0 +1,6 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end

packages/pigeon/e2e_tests/test_objc/ios/Runner/AppDelegate.m

@@ -0,0 +1,13 @@
+#import "AppDelegate.h"
+#import "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

packages/pigeon/e2e_tests/test_objc/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,122 @@
+{
+  "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"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

packages/pigeon/e2e_tests/test_objc/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

packages/pigeon/e2e_tests/test_objc/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md

@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.

packages/pigeon/e2e_tests/test_objc/ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>

packages/pigeon/e2e_tests/test_objc/ios/Runner/Base.lproj/Main.storyboard

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="15702" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="15704"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--My Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="MyFlutterViewController" 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="414" height="896"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="25" y="29"/>
+        </scene>
+    </scenes>
+</document>

packages/pigeon/e2e_tests/test_objc/ios/Runner/Info.plist

@@ -0,0 +1,45 @@
+<?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>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>test_objc</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<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>

packages/pigeon/e2e_tests/test_objc/ios/Runner/MyApi.h

@@ -0,0 +1,10 @@
+#import <Foundation/Foundation.h>
+#import "dartle.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// Implementation of the Pigeon generated interface Api.
+@interface MyApi : NSObject<ACApi>
+@end
+
+NS_ASSUME_NONNULL_END

packages/pigeon/e2e_tests/test_objc/ios/Runner/MyApi.m

@@ -0,0 +1,15 @@
+#import "MyApi.h"
+#import <Flutter/Flutter.h>
+
+@implementation MyApi
+- (ACSearchReply*)search:(ACSearchRequest*)input error:(FlutterError**)error {
+  if ([input.query isEqualToString:@"error"]) {
+    *error = [FlutterError errorWithCode:@"somecode" message:@"somemessage" details:nil];
+    return nil;
+  } else {
+    ACSearchReply* reply = [[ACSearchReply alloc] init];
+    reply.result = [NSString stringWithFormat:@"Hello %@!", input.query];
+    return reply;
+  }
+}
+@end

packages/pigeon/e2e_tests/test_objc/ios/Runner/MyFlutterViewController.h

@@ -0,0 +1,8 @@
+#import <Flutter/Flutter.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MyFlutterViewController : FlutterViewController
+@end
+
+NS_ASSUME_NONNULL_END

packages/pigeon/e2e_tests/test_objc/ios/Runner/MyFlutterViewController.m

@@ -0,0 +1,29 @@
+#import "MyFlutterViewController.h"
+#import "MyApi.h"
+#import "dartle.h"
+
+/// Implementation of the Pigeon generated interface NestedApi.
+@interface MyNestedApi : NSObject<ACNestedApi>
+- (ACSearchReply *)search:(ACNested *)input error:(FlutterError **)error;
+@end
+
+@implementation MyNestedApi
+- (ACSearchReply *)search:(ACNested *)input error:(FlutterError **)error {
+  ACSearchReply *reply = [[ACSearchReply alloc] init];
+  reply.result = [NSString stringWithFormat:@"Hello %@!", input.request.query];
+  return reply;
+}
+@end
+
+@interface MyFlutterViewController ()
+@end
+
+@implementation MyFlutterViewController
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+  ACApiSetup(self.engine.binaryMessenger, [[MyApi alloc] init]);
+  ACNestedApiSetup(self.engine.binaryMessenger, [[MyNestedApi alloc] init]);
+}
+
+@end

packages/pigeon/e2e_tests/test_objc/ios/Runner/dartle.h

@@ -0,0 +1,41 @@
+// Autogenerated from Pigeon (v0.1.0-experimental.9), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+#import <Foundation/Foundation.h>
+@protocol FlutterBinaryMessenger;
+@class FlutterError;
+@class FlutterStandardTypedData;
+
+@class ACSearchReply;
+@class ACSearchRequest;
+@class ACNested;
+
+@interface ACSearchReply : NSObject
+@property(nonatomic, copy) NSString *result;
+@property(nonatomic, copy) NSString *error;
+@end
+
+@interface ACSearchRequest : NSObject
+@property(nonatomic, copy) NSString *query;
+@property(nonatomic, strong) NSNumber *anInt;
+@property(nonatomic, strong) NSNumber *aBool;
+@end
+
+@interface ACNested : NSObject
+@property(nonatomic, strong) ACSearchRequest *request;
+@end
+
+@interface ACFlutterSearchApi : NSObject
+- (instancetype)initWithBinaryMessenger:(id<FlutterBinaryMessenger>)binaryMessenger;
+- (void)search:(ACSearchRequest *)input completion:(void (^)(ACSearchReply *, NSError *))completion;
+@end
+@protocol ACNestedApi
+- (ACSearchReply *)search:(ACNested *)input error:(FlutterError **)error;
+@end
+
+extern void ACNestedApiSetup(id<FlutterBinaryMessenger> binaryMessenger, id<ACNestedApi> api);
+
+@protocol ACApi
+- (ACSearchReply *)search:(ACSearchRequest *)input error:(FlutterError **)error;
+@end
+
+extern void ACApiSetup(id<FlutterBinaryMessenger> binaryMessenger, id<ACApi> api);

packages/pigeon/e2e_tests/test_objc/ios/Runner/dartle.m

@@ -0,0 +1,156 @@
+// Autogenerated from Dartle.
+#import "dartle.h"
+#import <Flutter/Flutter.h>
+
+#if !__has_feature(objc_arc)
+#error File requires ARC to be enabled.
+#endif
+
+static NSDictionary *wrapResult(NSDictionary *result, FlutterError *error) {
+  NSDictionary *errorDict = (NSDictionary *)[NSNull null];
+  if (error) {
+    errorDict = [NSDictionary
+        dictionaryWithObjectsAndKeys:(error.code ? error.code : [NSNull null]), @"code",
+                                     (error.message ? error.message : [NSNull null]), @"message",
+                                     (error.details ? error.details : [NSNull null]), @"details",
+                                     nil];
+  }
+  return [NSDictionary dictionaryWithObjectsAndKeys:(result ? result : [NSNull null]), @"result",
+                                                    errorDict, @"error", nil];
+}
+
+@interface ACSearchReply ()
++ (ACSearchReply *)fromMap:(NSDictionary *)dict;
+- (NSDictionary *)toMap;
+@end
+@interface ACSearchRequest ()
++ (ACSearchRequest *)fromMap:(NSDictionary *)dict;
+- (NSDictionary *)toMap;
+@end
+@interface ACNested ()
++ (ACNested *)fromMap:(NSDictionary *)dict;
+- (NSDictionary *)toMap;
+@end
+
+@implementation ACSearchReply
++ (ACSearchReply *)fromMap:(NSDictionary *)dict {
+  ACSearchReply *result = [[ACSearchReply alloc] init];
+  result.result = dict[@"result"];
+  if ((NSNull *)result.result == [NSNull null]) {
+    result.result = nil;
+  }
+  result.error = dict[@"error"];
+  if ((NSNull *)result.error == [NSNull null]) {
+    result.error = nil;
+  }
+  return result;
+}
+- (NSDictionary *)toMap {
+  return [NSDictionary
+      dictionaryWithObjectsAndKeys:(self.result ? self.result : [NSNull null]), @"result",
+                                   (self.error ? self.error : [NSNull null]), @"error", nil];
+}
+@end
+
+@implementation ACSearchRequest
++ (ACSearchRequest *)fromMap:(NSDictionary *)dict {
+  ACSearchRequest *result = [[ACSearchRequest alloc] init];
+  result.query = dict[@"query"];
+  if ((NSNull *)result.query == [NSNull null]) {
+    result.query = nil;
+  }
+  result.anInt = dict[@"anInt"];
+  if ((NSNull *)result.anInt == [NSNull null]) {
+    result.anInt = nil;
+  }
+  result.aBool = dict[@"aBool"];
+  if ((NSNull *)result.aBool == [NSNull null]) {
+    result.aBool = nil;
+  }
+  return result;
+}
+- (NSDictionary *)toMap {
+  return [NSDictionary
+      dictionaryWithObjectsAndKeys:(self.query ? self.query : [NSNull null]), @"query",
+                                   (self.anInt ? self.anInt : [NSNull null]), @"anInt",
+                                   (self.aBool ? self.aBool : [NSNull null]), @"aBool", nil];
+}
+@end
+
+@implementation ACNested
++ (ACNested *)fromMap:(NSDictionary *)dict {
+  ACNested *result = [[ACNested alloc] init];
+  result.request = [ACSearchRequest fromMap:dict[@"request"]];
+  if ((NSNull *)result.request == [NSNull null]) {
+    result.request = nil;
+  }
+  return result;
+}
+- (NSDictionary *)toMap {
+  return [NSDictionary
+      dictionaryWithObjectsAndKeys:(self.request ? [self.request toMap] : [NSNull null]),
+                                   @"request", nil];
+}
+@end
+
+@interface ACFlutterSearchApi ()
+@property(nonatomic, strong) NSObject<FlutterBinaryMessenger> *binaryMessenger;
+@end
+
+@implementation ACFlutterSearchApi
+- (instancetype)initWithBinaryMessenger:(NSObject<FlutterBinaryMessenger> *)binaryMessenger {
+  self = [super init];
+  if (self) {
+    self.binaryMessenger = binaryMessenger;
+  }
+  return self;
+}
+
+- (void)search:(ACSearchRequest *)input
+    completion:(void (^)(ACSearchReply *, NSError *))completion {
+  FlutterBasicMessageChannel *channel = [FlutterBasicMessageChannel
+      messageChannelWithName:@"dev.flutter.pigeon.FlutterSearchApi.search"
+             binaryMessenger:self.binaryMessenger];
+  NSDictionary *inputMap = [input toMap];
+  [channel sendMessage:inputMap
+                 reply:^(id reply) {
+                   NSDictionary *outputMap = reply;
+                   ACSearchReply *output = [ACSearchReply fromMap:outputMap];
+                   completion(output, nil);
+                 }];
+}
+@end
+void ACNestedApiSetup(id<FlutterBinaryMessenger> binaryMessenger, id<ACNestedApi> api) {
+  {
+    FlutterBasicMessageChannel *channel =
+        [FlutterBasicMessageChannel messageChannelWithName:@"dev.flutter.pigeon.NestedApi.search"
+                                           binaryMessenger:binaryMessenger];
+    if (api) {
+      [channel setMessageHandler:^(id _Nullable message, FlutterReply callback) {
+        ACNested *input = [ACNested fromMap:message];
+        FlutterError *error;
+        ACSearchReply *output = [api search:input error:&error];
+        callback(wrapResult([output toMap], error));
+      }];
+    } else {
+      [channel setMessageHandler:nil];
+    }
+  }
+}
+void ACApiSetup(id<FlutterBinaryMessenger> binaryMessenger, id<ACApi> api) {
+  {
+    FlutterBasicMessageChannel *channel =
+        [FlutterBasicMessageChannel messageChannelWithName:@"dev.flutter.pigeon.Api.search"
+                                           binaryMessenger:binaryMessenger];
+    if (api) {
+      [channel setMessageHandler:^(id _Nullable message, FlutterReply callback) {
+        ACSearchRequest *input = [ACSearchRequest fromMap:message];
+        FlutterError *error;
+        ACSearchReply *output = [api search:input error:&error];
+        callback(wrapResult([output toMap], error));
+      }];
+    } else {
+      [channel setMessageHandler:nil];
+    }
+  }
+}

packages/pigeon/e2e_tests/test_objc/ios/Runner/main.m

@@ -0,0 +1,9 @@
+#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]));
+  }
+}

packages/pigeon/e2e_tests/test_objc/ios/RunnerTests/Info.plist

@@ -0,0 +1,22 @@
+<?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>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

packages/pigeon/e2e_tests/test_objc/ios/RunnerTests/RunnerTests.m

@@ -0,0 +1,4 @@
+#import <XCTest/XCTest.h>
+#import <e2e/E2EIosTest.h>
+
+E2E_IOS_RUNNER(RunnerTests)

packages/pigeon/e2e_tests/test_objc/lib/dartle.dart

@@ -0,0 +1,130 @@
+// Autogenerated from Pigeon (v0.1.0-experimental.9), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+// ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import
+import 'dart:async';
+import 'package:flutter/services.dart';
+
+class SearchReply {
+  String result;
+  String error;
+  // ignore: unused_element
+  Map<dynamic, dynamic> _toMap() {
+    final Map<dynamic, dynamic> pigeonMap = <dynamic, dynamic>{};
+    pigeonMap['result'] = result;
+    pigeonMap['error'] = error;
+    return pigeonMap;
+  }
+
+  // ignore: unused_element
+  static SearchReply _fromMap(Map<dynamic, dynamic> pigeonMap) {
+    final SearchReply result = SearchReply();
+    result.result = pigeonMap['result'];
+    result.error = pigeonMap['error'];
+    return result;
+  }
+}
+
+class SearchRequest {
+  String query;
+  int anInt;
+  bool aBool;
+  // ignore: unused_element
+  Map<dynamic, dynamic> _toMap() {
+    final Map<dynamic, dynamic> pigeonMap = <dynamic, dynamic>{};
+    pigeonMap['query'] = query;
+    pigeonMap['anInt'] = anInt;
+    pigeonMap['aBool'] = aBool;
+    return pigeonMap;
+  }
+
+  // ignore: unused_element
+  static SearchRequest _fromMap(Map<dynamic, dynamic> pigeonMap) {
+    final SearchRequest result = SearchRequest();
+    result.query = pigeonMap['query'];
+    result.anInt = pigeonMap['anInt'];
+    result.aBool = pigeonMap['aBool'];
+    return result;
+  }
+}
+
+class Nested {
+  SearchRequest request;
+  // ignore: unused_element
+  Map<dynamic, dynamic> _toMap() {
+    final Map<dynamic, dynamic> pigeonMap = <dynamic, dynamic>{};
+    pigeonMap['request'] = request._toMap();
+    return pigeonMap;
+  }
+
+  // ignore: unused_element
+  static Nested _fromMap(Map<dynamic, dynamic> pigeonMap) {
+    final Nested result = Nested();
+    result.request = SearchRequest._fromMap(pigeonMap['request']);
+    return result;
+  }
+}
+
+abstract class FlutterSearchApi {
+  SearchReply search(SearchRequest arg);
+}
+
+void FlutterSearchApiSetup(FlutterSearchApi api) {
+  {
+    const BasicMessageChannel<dynamic> channel = BasicMessageChannel<dynamic>(
+        'dev.flutter.pigeon.FlutterSearchApi.search', StandardMessageCodec());
+    channel.setMessageHandler((dynamic message) async {
+      final Map<dynamic, dynamic> mapMessage = message as Map<dynamic, dynamic>;
+      final SearchRequest input = SearchRequest._fromMap(mapMessage);
+      final SearchReply output = api.search(input);
+      return output._toMap();
+    });
+  }
+}
+
+class NestedApi {
+  Future<SearchReply> search(Nested arg) async {
+    final Map<dynamic, dynamic> requestMap = arg._toMap();
+    const BasicMessageChannel<dynamic> channel = BasicMessageChannel<dynamic>(
+        'dev.flutter.pigeon.NestedApi.search', StandardMessageCodec());
+
+    final Map<dynamic, dynamic> replyMap = await channel.send(requestMap);
+    if (replyMap == null) {
+      throw PlatformException(
+          code: 'channel-error',
+          message: 'Unable to establish connection on channel.',
+          details: null);
+    } else if (replyMap['error'] != null) {
+      final Map<dynamic, dynamic> error = replyMap['error'];
+      throw PlatformException(
+          code: error['code'],
+          message: error['message'],
+          details: error['details']);
+    } else {
+      return SearchReply._fromMap(replyMap['result']);
+    }
+  }
+}
+
+class Api {
+  Future<SearchReply> search(SearchRequest arg) async {
+    final Map<dynamic, dynamic> requestMap = arg._toMap();
+    const BasicMessageChannel<dynamic> channel = BasicMessageChannel<dynamic>(
+        'dev.flutter.pigeon.Api.search', StandardMessageCodec());
+
+    final Map<dynamic, dynamic> replyMap = await channel.send(requestMap);
+    if (replyMap == null) {
+      throw PlatformException(
+          code: 'channel-error',
+          message: 'Unable to establish connection on channel.',
+          details: null);
+    } else if (replyMap['error'] != null) {
+      final Map<dynamic, dynamic> error = replyMap['error'];
+      throw PlatformException(
+          code: error['code'],
+          message: error['message'],
+          details: error['details']);
+    } else {
+      return SearchReply._fromMap(replyMap['result']);
+    }
+  }
+}

packages/pigeon/e2e_tests/test_objc/lib/main.dart

@@ -0,0 +1,78 @@
+import 'package:flutter/material.dart';
+import 'dartle.dart';
+
+class _MyFlutterSearchApi extends FlutterSearchApi {
+  @override
+  SearchReply search(SearchRequest input) {
+    return SearchReply()..result = 'Hello ${input.query}, from Flutter';
+  }
+}
+
+void main() {
+  WidgetsFlutterBinding.ensureInitialized();
+  FlutterSearchApiSetup(_MyFlutterSearchApi());
+  runApp(MyApp());
+}
+
+/// Main widget for the tests.
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+      ),
+      home: const _MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class _MyHomePage extends StatefulWidget {
+  const _MyHomePage({Key key, this.title}) : super(key: key);
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<_MyHomePage> {
+  String _message = '';
+
+  Future<void> _incrementCounter() async {
+    final SearchRequest request = SearchRequest()..query = 'Aaron';
+    final Api api = Api();
+    final SearchReply reply = await api.search(request);
+    setState(() {
+      _message = reply.result;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            const Text(
+              'Message:',
+            ),
+            Text(
+              '$_message',
+              style: Theme.of(context).textTheme.headline1,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _incrementCounter,
+        tooltip: 'Increment',
+        child: const Icon(Icons.cake),
+      ), // This trailing comma makes auto-formatting nicer for build methods.
+    );
+  }
+}

packages/pigeon/e2e_tests/test_objc/pubspec.yaml

@@ -0,0 +1,72 @@
+name: test_objc
+description: A new Flutter project.
+
+# The following defines the version and build number for your application.
+# A version number is three numbers separated by dots, like 1.2.43
+# followed by an optional build number separated by a +.
+# Both the version and the builder number may be overridden in flutter
+# build by specifying --build-name and --build-number, respectively.
+# In Android, build-name is used as versionName while build-number used as versionCode.
+# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
+# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
+# Read more about iOS versioning at
+# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
+version: 1.0.0+1
+
+environment:
+  sdk: ">=2.1.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^0.1.2
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  e2e: ^0.4.0
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  # assets:
+  #  - images/a_dot_burr.jpeg
+  #  - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/assets-and-images/#resolution-aware.
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.dev/assets-and-images/#from-packages
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.dev/custom-fonts/#from-packages

packages/pigeon/e2e_tests/test_objc/test_driver/e2e_test.dart

@@ -0,0 +1,31 @@
+import 'package:e2e/e2e.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:test_objc/dartle.dart';
+
+void main() {
+  E2EWidgetsFlutterBinding.ensureInitialized();
+  testWidgets('simple call', (WidgetTester tester) async {
+    final SearchRequest request = SearchRequest()..query = 'Aaron';
+    final Api api = Api();
+    final SearchReply reply = await api.search(request);
+    expect(reply.result, equals('Hello Aaron!'));
+  });
+
+  testWidgets('simple nested', (WidgetTester tester) async {
+    final SearchRequest request = SearchRequest()..query = 'Aaron';
+    final Nested nested = Nested()..request = request;
+    final NestedApi api = NestedApi();
+    final SearchReply reply = await api.search(nested);
+    expect(reply.result, equals('Hello Aaron!'));
+  });
+
+  testWidgets('throws', (WidgetTester tester) async {
+    final SearchRequest request = SearchRequest()..query = 'error';
+    final Api api = Api();
+    SearchReply reply;
+    expect(() async {
+      reply = await api.search(request);
+    }, throwsException);
+    expect(reply, isNull);
+  });
+}

packages/pigeon/e2e_tests/test_objc/test_driver/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility that Flutter provides. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:test_objc/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}

packages/pigeon/lib/dart_generator.dart

@@ -13,22 +13,29 @@ void _writeHostApi(Indent indent, Api api) {
       indent.write(
           'Future<${func.returnType}> ${func.name}(${func.argType} arg) async ');
       indent.scoped('{', '}', () {
-        indent.writeln('Map requestMap = arg._toMap();');
+        indent
+            .writeln('final Map<dynamic, dynamic> requestMap = arg._toMap();');
         final String channelName = makeChannelName(api, func);
-        indent.writeln('BasicMessageChannel channel =');
+        indent.writeln('const BasicMessageChannel<dynamic> channel =');
         indent.inc();
         indent.inc();
         indent.writeln(
-            'BasicMessageChannel(\'$channelName\', StandardMessageCodec());');
+            'BasicMessageChannel<dynamic>(\'$channelName\', StandardMessageCodec());');
         indent.dec();
         indent.dec();
         indent.writeln('');
         final String returnStatement = func.returnType == 'void'
             ? '// noop'
             : 'return ${func.returnType}._fromMap(replyMap[\'${Keys.result}\']);';
-        indent.format('''Map replyMap = await channel.send(requestMap);
-if (replyMap['error'] != null) {
-\tMap error = replyMap['${Keys.error}'];
+        indent.format(
+            '''final Map<dynamic, dynamic> replyMap = await channel.send(requestMap);
+if (replyMap == null) {
+\tthrow PlatformException(
+\t\tcode: 'channel-error',
+\t\tmessage: 'Unable to establish connection on channel.',
+\t\tdetails: null);
+} else if (replyMap['error'] != null) {
+\tfinal Map<dynamic, dynamic> error = replyMap['${Keys.error}'];
 \tthrow PlatformException(
 \t\t\tcode: error['${Keys.errorCode}'],
 \t\t\tmessage: error['${Keys.errorMessage}'],
@@ -57,24 +64,26 @@ void _writeFlutterApi(Indent indent, Api api) {
     for (Method func in api.methods) {
       indent.write('');
       indent.scoped('{', '}', () {
-        indent.writeln('BasicMessageChannel channel =');
+        indent.writeln('const BasicMessageChannel<dynamic> channel =');
         indent.inc();
         indent.inc();
         indent.writeln(
-            'BasicMessageChannel("${makeChannelName(api, func)}", StandardMessageCodec());');
+            'BasicMessageChannel<dynamic>(\'${makeChannelName(api, func)}\', StandardMessageCodec());');
         indent.dec();
         indent.dec();
         indent.write('channel.setMessageHandler((dynamic message) async ');
         indent.scoped('{', '});', () {
           final String argType = func.argType;
           final String returnType = func.returnType;
-          indent.writeln('Map mapMessage = message as Map;');
-          indent.writeln('$argType input = $argType._fromMap(mapMessage);');
+          indent.writeln(
+              'final Map<dynamic, dynamic> mapMessage = message as Map<dynamic, dynamic>;');
+          indent
+              .writeln('final $argType input = $argType._fromMap(mapMessage);');
           final String call = 'api.${func.name}(input)';
           if (returnType == 'void') {
             indent.writeln('$call;');
           } else {
-            indent.writeln('$returnType output = $call;');
+            indent.writeln('final $returnType output = $call;');
             indent.writeln('return output._toMap();');
           }
         });
@@ -91,7 +100,8 @@ void generateDart(Root root, StringSink sink) {
   final Indent indent = Indent(sink);
   indent.writeln('// $generatedCodeWarning');
   indent.writeln('// $seeAlsoWarning');
-  indent.writeln('// ignore_for_file: public_member_api_docs');
+  indent.writeln(
+      '// ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import');
   indent.writeln('import \'dart:async\';');
   indent.writeln('import \'package:flutter/services.dart\';');
   indent.writeln('');
@@ -103,30 +113,32 @@ void generateDart(Root root, StringSink sink) {
         indent.writeln('${field.dataType} ${field.name};');
       }
       indent.writeln('// ignore: unused_element');
-      indent.write('Map _toMap() ');
+      indent.write('Map<dynamic, dynamic> _toMap() ');
       indent.scoped('{', '}', () {
-        indent.writeln('Map dartleMap = Map();');
+        indent.writeln(
+            'final Map<dynamic, dynamic> pigeonMap = <dynamic, dynamic>{};');
         for (Field field in klass.fields) {
-          indent.write('dartleMap["${field.name}"] = ');
+          indent.write('pigeonMap[\'${field.name}\'] = ');
           if (customClassNames.contains(field.dataType)) {
             indent.addln('${field.name}._toMap();');
           } else {
             indent.addln('${field.name};');
           }
         }
-        indent.writeln('return dartleMap;');
+        indent.writeln('return pigeonMap;');
       });
       indent.writeln('// ignore: unused_element');
-      indent.write('static ${klass.name} _fromMap(Map dartleMap) ');
+      indent.write(
+          'static ${klass.name} _fromMap(Map<dynamic, dynamic> pigeonMap) ');
       indent.scoped('{', '}', () {
-        indent.writeln('var result = ${klass.name}();');
+        indent.writeln('final ${klass.name} result = ${klass.name}();');
         for (Field field in klass.fields) {
           indent.write('result.${field.name} = ');
           if (customClassNames.contains(field.dataType)) {
             indent.addln(
-                '${field.dataType}._fromMap(dartleMap["${field.name}"]);');
+                '${field.dataType}._fromMap(pigeonMap[\'${field.name}\']);');
           } else {
-            indent.addln('dartleMap["${field.name}"];');
+            indent.addln('pigeonMap[\'${field.name}\'];');
           }
         }
         indent.writeln('return result;');

packages/pigeon/lib/generator_tools.dart

@@ -8,7 +8,7 @@ import 'dart:mirrors';
 import 'ast.dart';
 
 /// The current version of pigeon.
-const String pigeonVersion = '0.1.0-experimental.7';
+const String pigeonVersion = '0.1.0-experimental.9';
 
 /// Read all the content from [stdin] to a String.
 String readStdin() {

packages/pigeon/pubspec.yaml

@@ -1,5 +1,5 @@
 name: pigeon
-version: 0.1.0-experimental.8
+version: 0.1.0-experimental.9
 description: Code generator tool to make communication between Flutter and the host platform type-safe and easier.
 homepage: https://github.com/flutter/packages/tree/master/packages/pigeon
 dependencies:

packages/pigeon/run_tests.sh

@@ -58,42 +58,22 @@ test_pigeon_ios ./pigeons/host2flutter.dart
 test_pigeon_ios ./pigeons/voidhost.dart
 test_pigeon_ios ./pigeons/voidflutter.dart
 
+DARTLE_H="e2e_tests/test_objc/ios/Runner/dartle.h"
+DARTLE_M="e2e_tests/test_objc/ios/Runner/dartle.m"
+DARTLE_DART="e2e_tests/test_objc/lib/dartle.dart"
 pub run pigeon \
   --input pigeons/message.dart \
-  --dart_out /dev/null \
-  --objc_header_out platform_tests/ios_unit_tests/ios/Runner/messages.h \
-  --objc_source_out platform_tests/ios_unit_tests/ios/Runner/messages.m
-clang-format -i platform_tests/ios_unit_tests/ios/Runner/messages.h
-clang-format -i platform_tests/ios_unit_tests/ios/Runner/messages.m
-pushd $PWD
-cd platform_tests/ios_unit_tests/ios/
- xcodebuild \
-    -workspace Runner.xcworkspace \
-    -scheme RunnerTests \
-    -sdk iphonesimulator \
-    -destination 'platform=iOS Simulator,name=iPhone 8' \
-    test | xcpretty
-popd
+  --dart_out $DARTLE_DART \
+  --objc_header_out $DARTLE_H \
+  --objc_source_out $DARTLE_M
+dartfmt -w $DARTLE_DART
+cd e2e_tests/test_objc
 
-# e2e tests are not checked in until some issues can be worked out with e2e.
-if [ -e "e2e_tests" ]; then
-  DARTLE_H="e2e_tests/test_objc/ios/Runner/dartle.h"
-  DARTLE_M="e2e_tests/test_objc/ios/Runner/dartle.m"
-  DARTLE_DART="e2e_tests/test_objc/lib/dartle.dart"
-  pub run pigeon \
-    --input pigeons/message.dart \
-    --dart_out $DARTLE_DART \
-    --objc_header_out $DARTLE_H \
-    --objc_source_out $DARTLE_M
-  dartfmt -w $DARTLE_DART
-  cd e2e_tests/test_objc
-
-  flutter build ios -t test/e2e_test.dart --simulator
-  cd ios
-  xcodebuild \
-    -workspace Runner.xcworkspace \
-    -scheme RunnerTests \
-    -sdk iphonesimulator \
-    -destination 'platform=iOS Simulator,name=iPhone 8' \
-    test | xcpretty
-fi
+flutter build ios -t test_driver/e2e_test.dart --simulator
+cd ios
+xcodebuild \
+  -workspace Runner.xcworkspace \
+  -scheme RunnerTests \
+  -sdk iphonesimulator \
+  -destination 'platform=iOS Simulator,name=iPhone 8' \
+  test | xcpretty

packages/pigeon/test/dart_generator_test.dart

@@ -57,9 +57,9 @@ void main() {
     final StringBuffer sink = StringBuffer();
     generateDart(root, sink);
     final String code = sink.toString();
-    expect(code, contains('dartleMap["nested"] = nested._toMap()'));
-    expect(
-        code, contains('result.nested = Input._fromMap(dartleMap["nested"]);'));
+    expect(code, contains('pigeonMap[\'nested\'] = nested._toMap()'));
+    expect(code,
+        contains('result.nested = Input._fromMap(pigeonMap[\'nested\']);'));
   });
 
   test('flutterapi', () {