diff --git a/platform_design/.gitignore b/platform_design/.gitignore
new file mode 100644
index 000000000..07488ba61
--- /dev/null
+++ b/platform_design/.gitignore
@@ -0,0 +1,70 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# Visual Studio Code related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Android related
+**/android/**/gradle-wrapper.jar
+**/android/.gradle
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
diff --git a/platform_design/.metadata b/platform_design/.metadata
new file mode 100644
index 000000000..405f45daf
--- /dev/null
+++ b/platform_design/.metadata
@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 8bea3fb2ebadc3933b6b213483d2d4379ac53a5c
+  channel: master
+
+project_type: app
diff --git a/platform_design/README.md b/platform_design/README.md
new file mode 100644
index 000000000..0b5b9665e
--- /dev/null
+++ b/platform_design/README.md
@@ -0,0 +1,12 @@
+# Platform Design
+
+Instead of transliterating widget one by one between Cupertino and Material,
+Android and iOS apps often follow different Information Architecture patterns
+that requires some design decisions.
+
+This sample project shows a Flutter app that maximizes application code reuse
+while adhering to different design patterns on Android and iOS. Namely, on
+Android, it uses Material's [lateral navigation](https://material.io/design/navigation/understanding-navigation.html#types-of-navigation)
+based on a drawer and on iOS, it uses Apple Human Interface Guideline's
+[flat navigation](https://developer.apple.com/design/human-interface-guidelines/ios/app-architecture/navigation/)
+via a bottom tab bar.
diff --git a/platform_design/android/app/build.gradle b/platform_design/android/app/build.gradle
new file mode 100644
index 000000000..b07e1e629
--- /dev/null
+++ b/platform_design/android/app/build.gradle
@@ -0,0 +1,61 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 28
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.example.platform_design"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        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
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}
diff --git a/platform_design/android/app/src/debug/AndroidManifest.xml b/platform_design/android/app/src/debug/AndroidManifest.xml
new file mode 100644
index 000000000..dcbbd9596
--- /dev/null
+++ b/platform_design/android/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.platform_design">
+    <!-- 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>
diff --git a/platform_design/android/app/src/main/AndroidManifest.xml b/platform_design/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..a45b51137
--- /dev/null
+++ b/platform_design/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,33 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.platform_design">
+
+    <!-- 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_design"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- This keeps the window background of the activity showing
+                 until Flutter renders its first frame. It can be removed if
+                 there is no splash screen (such as the default splash screen
+                 defined in @style/LaunchTheme). -->
+            <meta-data
+                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
+                android:value="true" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/platform_design/android/app/src/main/java/com/example/platform_design/MainActivity.java b/platform_design/android/app/src/main/java/com/example/platform_design/MainActivity.java
new file mode 100644
index 000000000..c7b746072
--- /dev/null
+++ b/platform_design/android/app/src/main/java/com/example/platform_design/MainActivity.java
@@ -0,0 +1,13 @@
+package com.example.platform_design;
+
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class MainActivity extends FlutterActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    GeneratedPluginRegistrant.registerWith(this);
+  }
+}
diff --git a/platform_design/android/app/src/main/res/drawable/launch_background.xml b/platform_design/android/app/src/main/res/drawable/launch_background.xml
new file mode 100644
index 000000000..304732f88
--- /dev/null
+++ b/platform_design/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>
diff --git a/platform_design/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/platform_design/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..db77bb4b7
Binary files /dev/null and b/platform_design/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/platform_design/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/platform_design/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..17987b79b
Binary files /dev/null and b/platform_design/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/platform_design/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/platform_design/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..09d439148
Binary files /dev/null and b/platform_design/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/platform_design/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/platform_design/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..d5f1c8d34
Binary files /dev/null and b/platform_design/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/platform_design/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/platform_design/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..4d6372eeb
Binary files /dev/null and b/platform_design/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/platform_design/android/app/src/main/res/values/styles.xml b/platform_design/android/app/src/main/res/values/styles.xml
new file mode 100644
index 000000000..00fa4417c
--- /dev/null
+++ b/platform_design/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>
diff --git a/platform_design/android/app/src/profile/AndroidManifest.xml b/platform_design/android/app/src/profile/AndroidManifest.xml
new file mode 100644
index 000000000..dcbbd9596
--- /dev/null
+++ b/platform_design/android/app/src/profile/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.platform_design">
+    <!-- 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>
diff --git a/platform_design/android/build.gradle b/platform_design/android/build.gradle
new file mode 100644
index 000000000..bb8a30389
--- /dev/null
+++ b/platform_design/android/build.gradle
@@ -0,0 +1,29 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.1'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/platform_design/android/gradle.properties b/platform_design/android/gradle.properties
new file mode 100644
index 000000000..8bd86f680
--- /dev/null
+++ b/platform_design/android/gradle.properties
@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1536M
diff --git a/platform_design/android/gradle/wrapper/gradle-wrapper.properties b/platform_design/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 000000000..2819f022f
--- /dev/null
+++ b/platform_design/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
diff --git a/platform_design/android/settings.gradle b/platform_design/android/settings.gradle
new file mode 100644
index 000000000..5a2f14fb1
--- /dev/null
+++ b/platform_design/android/settings.gradle
@@ -0,0 +1,15 @@
+include ':app'
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}
diff --git a/platform_design/ios/Flutter/AppFrameworkInfo.plist b/platform_design/ios/Flutter/AppFrameworkInfo.plist
new file mode 100644
index 000000000..9367d483e
--- /dev/null
+++ b/platform_design/ios/Flutter/AppFrameworkInfo.plist
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>8.0</string>
+</dict>
+</plist>
diff --git a/platform_design/ios/Flutter/Debug.xcconfig b/platform_design/ios/Flutter/Debug.xcconfig
new file mode 100644
index 000000000..592ceee85
--- /dev/null
+++ b/platform_design/ios/Flutter/Debug.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/platform_design/ios/Flutter/Release.xcconfig b/platform_design/ios/Flutter/Release.xcconfig
new file mode 100644
index 000000000..592ceee85
--- /dev/null
+++ b/platform_design/ios/Flutter/Release.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/platform_design/ios/Runner.xcodeproj/project.pbxproj b/platform_design/ios/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 000000000..bfefb2bc8
--- /dev/null
+++ b/platform_design/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,506 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
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+}
diff --git a/platform_design/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/platform_design/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 000000000..1d526a16e
--- /dev/null
+++ b/platform_design/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/platform_design/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/platform_design/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 000000000..786d6aad5
--- /dev/null
+++ b/platform_design/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0910"
+   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"
+      language = ""
+      shouldUseLaunchSchemeArgsEnv = "YES">
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
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+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
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+         runnableDebuggingMode = "0">
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
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+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
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+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
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+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/platform_design/ios/Runner.xcworkspace/contents.xcworkspacedata b/platform_design/ios/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 000000000..1d526a16e
--- /dev/null
+++ b/platform_design/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/platform_design/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/platform_design/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 000000000..18d981003
--- /dev/null
+++ b/platform_design/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/platform_design/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/platform_design/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
new file mode 100644
index 000000000..949b67898
--- /dev/null
+++ b/platform_design/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -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>BuildSystemType</key>
+	<string>Original</string>
+</dict>
+</plist>
diff --git a/platform_design/ios/Runner/AppDelegate.h b/platform_design/ios/Runner/AppDelegate.h
new file mode 100644
index 000000000..36e21bbf9
--- /dev/null
+++ b/platform_design/ios/Runner/AppDelegate.h
@@ -0,0 +1,6 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end
diff --git a/platform_design/ios/Runner/AppDelegate.m b/platform_design/ios/Runner/AppDelegate.m
new file mode 100644
index 000000000..59a72e90b
--- /dev/null
+++ b/platform_design/ios/Runner/AppDelegate.m
@@ -0,0 +1,13 @@
+#include "AppDelegate.h"
+#include "GeneratedPluginRegistrant.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  [GeneratedPluginRegistrant registerWithRegistry:self];
+  // Override point for customization after application launch.
+  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 000000000..d36b1fab2
--- /dev/null
+++ b/platform_design/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"
+  }
+}
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
new file mode 100644
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@2x.png
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index 000000000..2ccbfd967
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@3x.png
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index 000000000..f091b6b0b
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@1x.png
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@2x.png
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png
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index 000000000..dcdc2306c
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-29x29@3x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@1x.png
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index 000000000..2ccbfd967
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diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png
new file mode 100644
index 000000000..c8f9ed8f5
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@2x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png
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index 000000000..a6d6b8609
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-40x40@3x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png
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index 000000000..a6d6b8609
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@2x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png
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index 000000000..75b2d164a
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-60x60@3x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
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index 000000000..c4df70d39
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
new file mode 100644
index 000000000..6a84f41e1
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
new file mode 100644
index 000000000..d0e1f5853
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
new file mode 100644
index 000000000..0bedcf2fd
--- /dev/null
+++ b/platform_design/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"
+  }
+}
diff --git a/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
new file mode 100644
index 000000000..9da19eaca
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
new file mode 100644
index 000000000..9da19eaca
Binary files /dev/null and b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ
diff --git a/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
new file mode 100644
index 000000000..9da19eaca
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diff --git a/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/platform_design/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
new file mode 100644
index 000000000..89c2725b7
--- /dev/null
+++ b/platform_design/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.
\ No newline at end of file
diff --git a/platform_design/ios/Runner/Base.lproj/LaunchScreen.storyboard b/platform_design/ios/Runner/Base.lproj/LaunchScreen.storyboard
new file mode 100644
index 000000000..9b94df9d6
--- /dev/null
+++ b/platform_design/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina6_1" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14490.49"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </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">
+                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+                        <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">
+                                <rect key="frame" x="207" y="448" width="0.5" height="0.5"/>
+                            </imageView>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" usesAttributedText="YES" lineBreakMode="tailTruncation" numberOfLines="2" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="MNk-e4-zx3">
+                                <rect key="frame" x="107" y="146" width="201" height="217"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <attributedString key="attributedText">
+                                    <fragment>
+                                        <string key="content">HEAVY
+</string>
+                                        <attributes>
+                                            <color key="NSColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                            <font key="NSFont" size="48" name="Copperplate"/>
+                                            <paragraphStyle key="NSParagraphStyle" alignment="center" lineBreakMode="wordWrapping" baseWritingDirection="natural" lineHeightMultiple="1.5" tighteningFactorForTruncation="0.0"/>
+                                        </attributes>
+                                    </fragment>
+                                    <fragment content="REVERB">
+                                        <attributes>
+                                            <color key="NSColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                            <font key="NSFont" size="48" name="Copperplate"/>
+                                            <paragraphStyle key="NSParagraphStyle" alignment="center" lineBreakMode="wordWrapping" baseWritingDirection="natural" lineHeightMultiple="3.5" tighteningFactorForTruncation="0.0"/>
+                                        </attributes>
+                                    </fragment>
+                                </attributedString>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="REAL ARTISTS" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="NSQ-Yp-TAr">
+                                <rect key="frame" x="145" y="671" width="124" height="36"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <fontDescription key="fontDescription" name="DamascusBold" family="Damascus" pointSize="17"/>
+                                <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="REAL FANS" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="eUf-qR-nVg">
+                                <rect key="frame" x="159" y="708" width="97" height="29"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                                <fontDescription key="fontDescription" name="DamascusBold" family="Damascus" pointSize="17"/>
+                                <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="0.35907161853087283" green="0.55812708877154449" blue="0.8028052137305699" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
+                        <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="76.811594202898561" y="251.11607142857142"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="0.5" height="0.5"/>
+    </resources>
+</document>
diff --git a/platform_design/ios/Runner/Base.lproj/Main.storyboard b/platform_design/ios/Runner/Base.lproj/Main.storyboard
new file mode 100644
index 000000000..f3c28516f
--- /dev/null
+++ b/platform_design/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
diff --git a/platform_design/ios/Runner/Info.plist b/platform_design/ios/Runner/Info.plist
new file mode 100644
index 000000000..9cca781c6
--- /dev/null
+++ b/platform_design/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>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>platform_design</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(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>
diff --git a/platform_design/ios/Runner/main.m b/platform_design/ios/Runner/main.m
new file mode 100644
index 000000000..dff6597e4
--- /dev/null
+++ b/platform_design/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]));
+  }
+}
diff --git a/platform_design/lib/main.dart b/platform_design/lib/main.dart
new file mode 100644
index 000000000..749011273
--- /dev/null
+++ b/platform_design/lib/main.dart
@@ -0,0 +1,99 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'tab_1.dart';
+import 'tab_2.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        primarySwatch: Colors.green,
+      ),
+      builder: (BuildContext context, Widget child) {
+        return CupertinoTheme(
+          data: CupertinoThemeData(),
+          child: child,
+        );
+      },
+      home: PlatformAdaptingHomePage(),
+    );
+  }
+}
+
+class PlatformAdaptingHomePage extends StatefulWidget {
+  PlatformAdaptingHomePage({ Key key }) : super(key: key);
+
+  @override
+  _PlatformAdaptingHomePageState createState() => _PlatformAdaptingHomePageState();
+}
+
+class _PlatformAdaptingHomePageState extends State<PlatformAdaptingHomePage> {
+  final tab1Key = GlobalKey();
+  final tab2Key = GlobalKey();
+
+  Widget _buildAndroidHomePage() {
+    return Scaffold(
+      appBar: AppBar(title: Text(tab1Title)),
+      drawer: Drawer(
+
+      ),
+      body: Tab1(key: tab1Key),
+    );
+  }
+
+  Widget _buildIosHomePage() {
+    return CupertinoTabScaffold(
+      tabBar: CupertinoTabBar(
+        items: <BottomNavigationBarItem>[
+          BottomNavigationBarItem(
+            title: Text(tab1Title),
+            icon: tab1IosIcon,
+          ),
+          BottomNavigationBarItem(
+            title: Text(tab2Title),
+            icon: tab2IosIcon,
+          ),
+        ],
+      ),
+      tabBuilder: (BuildContext context, int index) {
+        switch (index) {
+          case 0:
+            return CupertinoTabView(
+              defaultTitle: tab1Title,
+              builder: (BuildContext context) {
+                return Tab1(key: tab1Key);
+              },
+            );
+          case 1:
+            return CupertinoTabView(
+              defaultTitle: tab2Title,
+              builder: (BuildContext context) {
+                return Tab2(key: tab2Key);
+              },
+            );
+        }
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+      case TargetPlatform.fuchsia:
+        return _buildAndroidHomePage();
+      case TargetPlatform.iOS:
+        return _buildIosHomePage();
+    }
+
+    assert(false, 'Unexpected platform');
+    return null;
+  }
+}
+
diff --git a/platform_design/lib/tab_1.dart b/platform_design/lib/tab_1.dart
new file mode 100644
index 000000000..bf77bd196
--- /dev/null
+++ b/platform_design/lib/tab_1.dart
@@ -0,0 +1,137 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'utils.dart';
+
+/// This file feeds the means to navigate to and the content of tab 1 of our
+/// app.
+
+const tab1Title = 'Songs';
+const tab1IosIcon = Icon(CupertinoIcons.music_note);
+const _itemsLength = 50;
+
+class Tab1 extends StatefulWidget {
+  const Tab1({ Key key }) : super(key: key);
+
+  @override
+  _Tab1State createState() => _Tab1State();
+}
+
+class _Tab1State extends State<Tab1> {
+  List<MaterialColor> colors;
+  List<String> songNames;
+
+  @override
+  void initState() {
+    colors = getRandomColors(_itemsLength);
+    songNames = getRandomNames(_itemsLength);
+    super.initState();
+  }
+
+  Widget _listBuilder(BuildContext context, int index) {
+    var color = defaultTargetPlatform == TargetPlatform.iOS
+        ? colors[index]
+        : colors[index].shade400;
+
+    return Card(
+      margin: EdgeInsets.symmetric(vertical: 16, horizontal: 16),
+      elevation: 20,
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(12),
+      ),
+      clipBehavior: Clip.antiAlias,
+      child: Stack(
+        alignment: Alignment.center,
+        children: <Widget>[
+          Container(
+            color: color,
+            height: 250,
+          ),
+          _Banner(songNames[index]),
+          _PlayButton(),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAndroid(BuildContext context) {
+    return ListView.builder(
+      padding: EdgeInsets.symmetric(vertical: 12),
+      itemBuilder: _listBuilder,
+    );
+  }
+
+  Widget _buildIos(BuildContext context) {
+    return CustomScrollView(
+      slivers: <Widget>[
+        CupertinoSliverNavigationBar(),
+        SliverSafeArea(
+          top: false,
+          sliver: SliverPadding(
+            padding: EdgeInsets.symmetric(vertical: 12),
+            sliver: SliverList(
+              delegate: SliverChildBuilderDelegate(_listBuilder),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+      case TargetPlatform.fuchsia:
+        return _buildAndroid(context);
+      case TargetPlatform.iOS:
+        return _buildIos(context);
+    }
+
+    assert(false, 'Unexpected platform');
+    return null;
+  }
+}
+
+class _Banner extends StatelessWidget {
+  const _Banner(this.text);
+
+  final String text;
+
+  @override
+  Widget build(BuildContext context) {
+    return Positioned(
+      bottom: 0,
+      left: 0,
+      right: 0,
+      child: Container(
+        height: 80,
+        color: Colors.black12,
+        alignment: Alignment.centerLeft,
+        padding: EdgeInsets.symmetric(horizontal: 12),
+        child: Text(
+          text,
+          style: TextStyle(fontSize: 21, fontWeight: FontWeight.w500),
+        ),
+      ),
+    );
+  }
+}
+
+class _PlayButton extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: 50,
+      width: 50,
+      decoration: BoxDecoration(
+        shape: BoxShape.circle,
+        color: Colors.black12,
+      ),
+      alignment: Alignment.center,
+      margin: EdgeInsets.only(bottom: 45),
+      child: Icon(Icons.play_arrow, size: 50, color: Colors.black38),
+    );
+  }
+}
diff --git a/platform_design/lib/tab_2.dart b/platform_design/lib/tab_2.dart
new file mode 100644
index 000000000..fe934f762
--- /dev/null
+++ b/platform_design/lib/tab_2.dart
@@ -0,0 +1,127 @@
+import 'dart:math';
+
+import 'package:english_words/english_words.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_lorem/flutter_lorem.dart';
+
+import 'utils.dart';
+
+const tab2Title = 'News';
+const tab2IosIcon = Icon(CupertinoIcons.news);
+const _itemsLength = 20;
+
+String _makeFakeNews(Random random) {
+  final pair = generateWordPairs(random: random);
+  final artist = capitalizePair(pair.first);
+
+  switch (random.nextInt(9)) {
+    case 0:
+      return '$artist says ${nouns[random.nextInt(nouns.length)]}';
+    case 1:
+      return '$artist arrested due to ${pair.first}';
+    case 2:
+      return '$artist releases ${capitalizePair(pair.first)}';
+    case 3:
+      return '$artist talks about his ${nouns[random.nextInt(nouns.length)]}';
+    case 4:
+      return '$artist talks about her ${nouns[random.nextInt(nouns.length)]}';
+    case 5:
+      return '$artist talks about their ${nouns[random.nextInt(nouns.length)]}';
+    case 6:
+      return '$artist says their music is inspired by ${pair.first}';
+    case 7:
+      return '$artist says the world needs more ${nouns[random.nextInt(nouns.length)]}';
+    case 7:
+      return '$artist calls their band ${adjectives[random.nextInt(adjectives.length)]}';
+    case 8:
+      return '$artist finally ready to talk about ${nouns[random.nextInt(nouns.length)]}';
+  }
+}
+
+class Tab2 extends StatefulWidget {
+  const Tab2({ Key key }) : super(key: key);
+
+  @override
+  _Tab2State createState() => _Tab2State();
+}
+
+class _Tab2State extends State<Tab2> {
+  List<Color> colors;
+  List<String> titles;
+  List<String> contents;
+
+  @override
+  void initState() {
+    final random = Random();
+    colors = getRandomColors(_itemsLength);
+    titles = List<String>.generate(
+      _itemsLength,
+      (int index) => _makeFakeNews(random),
+    );
+    contents = List<String>.generate(
+      _itemsLength,
+      (int index) => lorem(paragraphs: 1, words: 50),
+    );
+    super.initState();
+  }
+
+  Widget _listBuilder(BuildContext context, int index) {
+    return Card(
+      elevation: 1,
+      margin: EdgeInsets.symmetric(
+        horizontal: 12,
+        vertical: 12,
+      ),
+      shape: RoundedRectangleBorder(
+        borderRadius: BorderRadius.circular(4),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.all(12.0),
+        child: Column(
+          children: <Widget>[
+            Row(
+              children: <Widget>[
+                CircleAvatar(
+                  backgroundColor: colors[index],
+                ),
+                Padding(padding: EdgeInsets.only(left: 12)),
+                Expanded(child: Text(titles[index])),
+              ],
+            ),
+          ],
+        ),
+      )
+    );
+  }
+
+  Widget _buildAndroid(BuildContext context) {
+    return ListView.builder(
+      itemBuilder: _listBuilder,
+    );
+  }
+
+  Widget _buildIos(BuildContext context) {
+    return CupertinoPageScaffold(
+      navigationBar: CupertinoNavigationBar(),
+      child: ListView.builder(
+        itemBuilder: _listBuilder,
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    switch (defaultTargetPlatform) {
+      case TargetPlatform.android:
+      case TargetPlatform.fuchsia:
+        return _buildAndroid(context);
+      case TargetPlatform.iOS:
+        return _buildIos(context);
+    }
+
+    assert(false, 'Unexpected platform');
+    return null;
+  }
+}
diff --git a/platform_design/lib/utils.dart b/platform_design/lib/utils.dart
new file mode 100644
index 000000000..fd9eb0721
--- /dev/null
+++ b/platform_design/lib/utils.dart
@@ -0,0 +1,32 @@
+import 'dart:math';
+
+import 'package:english_words/english_words.dart';
+import 'package:flutter/material.dart';
+
+const _myListOfRandomColors = <MaterialColor>[
+  Colors.red, Colors.blue, Colors.teal, Colors.yellow, Colors.amber,
+  Colors.deepOrange, Colors.green, Colors.indigo, Colors.lime, Colors.pink,
+  Colors.orange,
+];
+
+List<MaterialColor> getRandomColors(int amount) {
+  final random = Random();
+  return List<MaterialColor>.generate(amount, (int index) {
+    return _myListOfRandomColors[random.nextInt(_myListOfRandomColors.length)];
+  });
+}
+
+List<String> getRandomNames(int amount) {
+  return generateWordPairs(maxSyllables: 5)
+      .take(amount)
+      .map((var pair) => capitalizePair(pair))
+      .toList();
+}
+
+String capitalize(String word) {
+  return '${word[0].toUpperCase()}${word.substring(1).toLowerCase()}';
+}
+
+String capitalizePair(WordPair pair) {
+  return '${capitalize(pair.first)} ${capitalize(pair.second)}';
+}
\ No newline at end of file
diff --git a/platform_design/pubspec.yaml b/platform_design/pubspec.yaml
new file mode 100644
index 000000000..dc92b6466
--- /dev/null
+++ b/platform_design/pubspec.yaml
@@ -0,0 +1,74 @@
+name: platform_design
+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:
+  english_words: ^3.1.5
+  flutter_lorem: ^1.1.0
+  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
+
+
+# For information on the generic Dart part of this file, see the
+# following page: https://www.dartlang.org/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
diff --git a/platform_design/test/widget_test.dart b/platform_design/test/widget_test.dart
new file mode 100644
index 000000000..63e194c19
--- /dev/null
+++ b/platform_design/test/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:platform_design/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);
+  });
+}