Adding OpenHaystack Mobile app

Co-Authored-By: Lukas Burg <lukas.burg@hemalu.de>

openhaystack-mobile/.gitignore

@@ -0,0 +1,46 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

openhaystack-mobile/.metadata

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+# 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: 18116933e77adc82f80866c928266a5b4f1ed645
+  channel: stable
+
+project_type: app

openhaystack-mobile/README.md

@@ -0,0 +1,54 @@
+# OpenHaystack Mobile
+Seemoo Lab WS21/22 project: Porting OpenHaystack to Mobile
+
+# About OpenHaystack
+OpenHaystack is a project that allows location tracking of Bluetooth Low Energy (BLE) devices over Apples Find My Network.
+
+See the [OpenHaystack GitHub page](https://github.com/seemoo-lab/openhaystack/) for more deatils on how it works.
+
+# Development
+This project is written in [Dart](https://dart.dev/), using the cross platform development framework [Flutter](https://flutter.dev/). This allows the creation of apps for all major platforms using a single code base.
+
+## Requisites
+To develop and build the project the following tools are needed and should be installed.
+
+- [Flutter SDK](https://docs.flutter.dev/get-started/install)
+- [Xcode](https://developer.apple.com/xcode/) (for iOS)
+- [Android SDK / Studio](https://developer.android.com/studio/) (for Android)
+- (optional) IDE Plugin (e.g. for [VS Code](https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter))
+
+To check the installation run `flutter doctor`. Before continuing review all displayed errors.
+
+
+## Getting Started
+First the necessary dependencies need to be installed. The IDE plugin may take care of this automatically.
+```bash
+$ flutter pub get
+```
+
+Then set the location proxy server URL in [reports_fetcher.dart](lib/findMy/reports_fetcher.dart) (replace `https://add-your-proxy-server-here/getLocationReports` with your custom URL).
+
+To run the debug version of the app start a supported emulator and run
+```bash
+$ flutter run
+```
+
+When the app is running a new key pair can be created / imported in the app.
+
+## Project Structure
+The project follows the default structure for flutter applications. The `android`, `ios` and `web` folders contain native projects for the specified platform. Native code can be added here for example to access special APIs.
+
+The business logic and UI can be found in the `lib` folder. This folder is furthermore separated into modules containing code regarding a common aspect.
+The business logic for accessing and decrypting the location reports is separated in the `findMy` folder for easier reuse.
+
+## Building
+This project currently supports iOS and Android targets.
+If you are building the project for the first time, you need to run
+```bash
+$ flutter pub run flutter_launcher_icons:main 
+```
+to create the icons and then, to create a distributable application package run
+```bash
+$ flutter build [ios|apk|web]
+```
+The resulting build artifacts can be found in the `build` folder. To deploy the artifacts to a device consult the platform specific documentation.

openhaystack-mobile/analysis_options.yaml

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+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

openhaystack-mobile/android/.gitignore

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+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties
+**/*.keystore
+**/*.jks

openhaystack-mobile/android/app/build.gradle

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+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: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 31
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "de.seemoo.android.openhaystack"
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

openhaystack-mobile/android/app/src/debug/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.seemoo.android.openhaystack">
+    <!-- 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"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
+
+    <queries>
+        <!-- If your app opens https URLs -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
+        <!-- If your app sends emails -->
+        <intent>
+            <action android:name="android.intent.action.SEND" />
+            <data android:mimeType="*/*" />
+        </intent>
+    </queries>
+</manifest>

openhaystack-mobile/android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.seemoo.android.openhaystack">
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
+   <application
+        android:label="OpenHaystack"
+        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">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <!-- Displays an Android View that continues showing the launch screen
+                 Drawable until Flutter paints its first frame, then this splash
+                 screen fades out. A splash screen is useful to avoid any visual
+                 gap between the end of Android's launch screen and the painting of
+                 Flutter's first frame. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.SplashScreenDrawable"
+              android:resource="@drawable/launch_background"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="application/json" />
+            </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>
+
+    <queries>
+        <!-- If your app opens https URLs -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
+        <!-- If your app sends emails -->
+        <intent>
+            <action android:name="android.intent.action.SEND" />
+            <data android:mimeType="*/*" />
+        </intent>
+    </queries>
+</manifest>

openhaystack-mobile/android/app/src/main/kotlin/com/example/seemoo_lab_21_22/MainActivity.kt

@@ -0,0 +1,6 @@
+package de.seemoo.android.openhaystack
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}

openhaystack-mobile/android/app/src/main/res/drawable-v21/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:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

openhaystack-mobile/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>

openhaystack-mobile/android/app/src/main/res/values-night/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <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>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

openhaystack-mobile/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.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>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+         
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

openhaystack-mobile/android/app/src/profile/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="de.seemoo.android.openhaystack">
+    <!-- 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"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION"/>
+
+    <queries>
+        <!-- If your app opens https URLs -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
+        <!-- If your app sends emails -->
+        <intent>
+            <action android:name="android.intent.action.SEND" />
+            <data android:mimeType="*/*" />
+        </intent>
+    </queries>
+</manifest>

openhaystack-mobile/android/build.gradle

@@ -0,0 +1,29 @@
+buildscript {
+    ext.kotlin_version = '1.6.0'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

openhaystack-mobile/android/gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true

openhaystack-mobile/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-6.7-all.zip

openhaystack-mobile/android/settings.gradle

@@ -0,0 +1,11 @@
+include ':app'
+
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
+
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

openhaystack-mobile/ios/.gitignore

@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3

openhaystack-mobile/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>9.0</string>
+</dict>
+</plist>

openhaystack-mobile/ios/Flutter/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Generated.xcconfig"

openhaystack-mobile/ios/Flutter/Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Generated.xcconfig"

openhaystack-mobile/ios/Podfile

@@ -0,0 +1,41 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

openhaystack-mobile/ios/Podfile.lock

@@ -0,0 +1,123 @@
+PODS:
+  - DKImagePickerController/Core (4.3.2):
+    - DKImagePickerController/ImageDataManager
+    - DKImagePickerController/Resource
+  - DKImagePickerController/ImageDataManager (4.3.2)
+  - DKImagePickerController/PhotoGallery (4.3.2):
+    - DKImagePickerController/Core
+    - DKPhotoGallery
+  - DKImagePickerController/Resource (4.3.2)
+  - DKPhotoGallery (0.0.17):
+    - DKPhotoGallery/Core (= 0.0.17)
+    - DKPhotoGallery/Model (= 0.0.17)
+    - DKPhotoGallery/Preview (= 0.0.17)
+    - DKPhotoGallery/Resource (= 0.0.17)
+    - SDWebImage
+    - SwiftyGif
+  - DKPhotoGallery/Core (0.0.17):
+    - DKPhotoGallery/Model
+    - DKPhotoGallery/Preview
+    - SDWebImage
+    - SwiftyGif
+  - DKPhotoGallery/Model (0.0.17):
+    - SDWebImage
+    - SwiftyGif
+  - DKPhotoGallery/Preview (0.0.17):
+    - DKPhotoGallery/Model
+    - DKPhotoGallery/Resource
+    - SDWebImage
+    - SwiftyGif
+  - DKPhotoGallery/Resource (0.0.17):
+    - SDWebImage
+    - SwiftyGif
+  - file_picker (0.0.1):
+    - DKImagePickerController/PhotoGallery
+    - Flutter
+  - Flutter (1.0.0)
+  - flutter_secure_storage (3.3.1):
+    - Flutter
+  - geocoding (1.0.5):
+    - Flutter
+  - location (0.0.1):
+    - Flutter
+  - maps_launcher (0.0.1):
+    - Flutter
+  - path_provider_ios (0.0.1):
+    - Flutter
+  - receive_sharing_intent (0.0.1):
+    - Flutter
+  - SDWebImage (5.12.3):
+    - SDWebImage/Core (= 5.12.3)
+  - SDWebImage/Core (5.12.3)
+  - share_plus (0.0.1):
+    - Flutter
+  - shared_preferences_ios (0.0.1):
+    - Flutter
+  - SwiftyGif (5.4.3)
+  - url_launcher_ios (0.0.1):
+    - Flutter
+
+DEPENDENCIES:
+  - file_picker (from `.symlinks/plugins/file_picker/ios`)
+  - Flutter (from `Flutter`)
+  - flutter_secure_storage (from `.symlinks/plugins/flutter_secure_storage/ios`)
+  - geocoding (from `.symlinks/plugins/geocoding/ios`)
+  - location (from `.symlinks/plugins/location/ios`)
+  - maps_launcher (from `.symlinks/plugins/maps_launcher/ios`)
+  - path_provider_ios (from `.symlinks/plugins/path_provider_ios/ios`)
+  - receive_sharing_intent (from `.symlinks/plugins/receive_sharing_intent/ios`)
+  - share_plus (from `.symlinks/plugins/share_plus/ios`)
+  - shared_preferences_ios (from `.symlinks/plugins/shared_preferences_ios/ios`)
+  - url_launcher_ios (from `.symlinks/plugins/url_launcher_ios/ios`)
+
+SPEC REPOS:
+  trunk:
+    - DKImagePickerController
+    - DKPhotoGallery
+    - SDWebImage
+    - SwiftyGif
+
+EXTERNAL SOURCES:
+  file_picker:
+    :path: ".symlinks/plugins/file_picker/ios"
+  Flutter:
+    :path: Flutter
+  flutter_secure_storage:
+    :path: ".symlinks/plugins/flutter_secure_storage/ios"
+  geocoding:
+    :path: ".symlinks/plugins/geocoding/ios"
+  location:
+    :path: ".symlinks/plugins/location/ios"
+  maps_launcher:
+    :path: ".symlinks/plugins/maps_launcher/ios"
+  path_provider_ios:
+    :path: ".symlinks/plugins/path_provider_ios/ios"
+  receive_sharing_intent:
+    :path: ".symlinks/plugins/receive_sharing_intent/ios"
+  share_plus:
+    :path: ".symlinks/plugins/share_plus/ios"
+  shared_preferences_ios:
+    :path: ".symlinks/plugins/shared_preferences_ios/ios"
+  url_launcher_ios:
+    :path: ".symlinks/plugins/url_launcher_ios/ios"
+
+SPEC CHECKSUMS:
+  DKImagePickerController: b5eb7f7a388e4643264105d648d01f727110fc3d
+  DKPhotoGallery: fdfad5125a9fdda9cc57df834d49df790dbb4179
+  file_picker: 3e6c3790de664ccf9b882732d9db5eaf6b8d4eb1
+  Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a
+  flutter_secure_storage: 7953c38a04c3fdbb00571bcd87d8e3b5ceb9daec
+  geocoding: 32cfcdb16d38d907caaba65e2e42ad10d38bee58
+  location: 3a2eed4dd2fab25e7b7baf2a9efefe82b512d740
+  maps_launcher: 2e5b6a2d664ec6c27f82ffa81b74228d770ab203
+  path_provider_ios: 7d7ce634493af4477d156294792024ec3485acd5
+  receive_sharing_intent: c0d87310754e74c0f9542947e7cbdf3a0335a3b1
+  SDWebImage: 53179a2dba77246efa8a9b85f5c5b21f8f43e38f
+  share_plus: 056a1e8ac890df3e33cb503afffaf1e9b4fbae68
+  shared_preferences_ios: aef470a42dc4675a1cdd50e3158b42e3d1232b32
+  SwiftyGif: 6c3eafd0ce693cad58bb63d2b2fb9bacb8552780
+  url_launcher_ios: 02f1989d4e14e998335b02b67a7590fa34f971af
+
+PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c
+
+COCOAPODS: 1.11.3

openhaystack-mobile/ios/Runner.xcodeproj/project.pbxproj

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+
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+			name = "[CP] Embed Pods Frameworks";
+			outputFileListPaths = (
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openhaystack-mobile/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

openhaystack-mobile/ios/Runner.xcodeproj/project.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>

openhaystack-mobile/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,91 @@
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+      buildImplicitDependencies = "YES">
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+            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">
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+      </Testables>
+      <MacroExpansion>
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
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+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "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>

openhaystack-mobile/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>

openhaystack-mobile/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>

openhaystack-mobile/ios/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import UIKit
+import Flutter
+
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}

openhaystack-mobile/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"
+  }
+}

openhaystack-mobile/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"
+  }
+}

openhaystack-mobile/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.

openhaystack-mobile/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>

openhaystack-mobile/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>

openhaystack-mobile/ios/Runner/Info.plist

@@ -0,0 +1,63 @@
+<?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>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>OpenHaystack</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>ShareMedia</string>
+			</array>
+		</dict>
+		<dict/>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSApplicationQueriesSchemes</key>
+	<array>
+		<string>https</string>
+	</array>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>Location is needed to show the users location (optional)</string>
+	<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>

openhaystack-mobile/ios/Runner/Runner-Bridging-Header.h

@@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"

openhaystack-mobile/ios/Runner/Runner.entitlements

@@ -0,0 +1,10 @@
+<?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>com.apple.security.application-groups</key>
+	<array>
+		<string>group.de.seemoo.ios.openhaystack</string>
+	</array>
+</dict>
+</plist>

openhaystack-mobile/ios/ShareExtension/Base.lproj/MainInterface.storyboard

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="j1y-V4-xli">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Share View Controller-->
+        <scene sceneID="ceB-am-kn3">
+            <objects>
+                <viewController id="j1y-V4-xli" customClass="ShareViewController" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" opaque="NO" contentMode="scaleToFill" id="wbc-yd-nQP">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                        <viewLayoutGuide key="safeArea" id="1Xd-am-t49"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="CEy-Cv-SGf" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

openhaystack-mobile/ios/ShareExtension/Info.plist

@@ -0,0 +1,21 @@
+<?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>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>NSExtensionActivationRule</key>
+			<dict>
+				<key>NSExtensionActivationSupportsFileWithMaxCount</key>
+				<integer>1</integer>
+			</dict>
+		</dict>
+		<key>NSExtensionMainStoryboard</key>
+		<string>MainInterface</string>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.share-services</string>
+	</dict>
+</dict>
+</plist>

openhaystack-mobile/ios/ShareExtension/ShareExtension.entitlements

@@ -0,0 +1,10 @@
+<?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>com.apple.security.application-groups</key>
+	<array>
+		<string>group.de.seemoo.ios.openhaystack</string>
+	</array>
+</dict>
+</plist>

openhaystack-mobile/ios/ShareExtension/ShareViewController.swift

@@ -0,0 +1,342 @@
+//
+//  ShareViewController.swift
+//  ShareExtension
+//
+//  Created by Max Granzow on 18.01.22.
+//
+
+import UIKit
+import Social
+import MobileCoreServices
+import Photos
+
+// Source: https://pub.dev/packages/receive_sharing_intent
+class ShareViewController: SLComposeServiceViewController {
+    let hostAppBundleIdentifier = "de.seemoo.ios.openhaystack"
+    let sharedKey = "ShareKey"
+    var sharedMedia: [SharedMediaFile] = []
+    var sharedText: [String] = []
+    let imageContentType = kUTTypeImage as String
+    let videoContentType = kUTTypeMovie as String
+    let textContentType = kUTTypeText as String
+    let urlContentType = kUTTypeURL as String
+    let fileURLType = kUTTypeFileURL as String;
+
+    override func isContentValid() -> Bool {
+        return true
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad();
+    }
+
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+
+        // This is called after the user selects Post. Do the upload of contentText and/or NSExtensionContext attachments.
+        if let content = extensionContext!.inputItems[0] as? NSExtensionItem {
+            if let contents = content.attachments {
+                for (index, attachment) in (contents).enumerated() {
+                    if attachment.hasItemConformingToTypeIdentifier(imageContentType) {
+                        handleImages(content: content, attachment: attachment, index: index)
+                    } else if attachment.hasItemConformingToTypeIdentifier(fileURLType) {
+                        handleFiles(content: content, attachment: attachment, index: index)
+                    } else if attachment.hasItemConformingToTypeIdentifier(textContentType) {
+                        handleText(content: content, attachment: attachment, index: index)
+                    } else if attachment.hasItemConformingToTypeIdentifier(urlContentType) {
+                        handleUrl(content: content, attachment: attachment, index: index)
+                    } else if attachment.hasItemConformingToTypeIdentifier(videoContentType) {
+                        handleVideos(content: content, attachment: attachment, index: index)
+                    }
+                }
+            }
+        }
+    }
+
+    override func didSelectPost() {
+        print("didSelectPost");
+    }
+
+    override func configurationItems() -> [Any]! {
+        // To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
+        return []
+    }
+
+    private func handleText (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
+        attachment.loadItem(forTypeIdentifier: textContentType, options: nil) { [weak self] data, error in
+
+            if error == nil, let item = data as? String, let this = self {
+
+                this.sharedText.append(item)
+
+                // If this is the last item, save imagesData in userDefaults and redirect to host app
+                if index == (content.attachments?.count)! - 1 {
+                    let userDefaults = UserDefaults(suiteName: "group.\(this.hostAppBundleIdentifier)")
+                    userDefaults?.set(this.sharedText, forKey: this.sharedKey)
+                    userDefaults?.synchronize()
+                    this.redirectToHostApp(type: .text)
+                }
+
+            } else {
+                self?.dismissWithError()
+            }
+        }
+    }
+
+    private func handleUrl (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
+        attachment.loadItem(forTypeIdentifier: urlContentType, options: nil) { [weak self] data, error in
+
+            if error == nil, let item = data as? URL, let this = self {
+
+                this.sharedText.append(item.absoluteString)
+
+                // If this is the last item, save imagesData in userDefaults and redirect to host app
+                if index == (content.attachments?.count)! - 1 {
+                    let userDefaults = UserDefaults(suiteName: "group.\(this.hostAppBundleIdentifier)")
+                    userDefaults?.set(this.sharedText, forKey: this.sharedKey)
+                    userDefaults?.synchronize()
+                    this.redirectToHostApp(type: .text)
+                }
+
+            } else {
+                self?.dismissWithError()
+            }
+        }
+    }
+
+    private func handleImages (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
+        attachment.loadItem(forTypeIdentifier: imageContentType, options: nil) { [weak self] data, error in
+
+            if error == nil, let url = data as? URL, let this = self {
+
+                // Always copy
+                let fileName = this.getFileName(from: url, type: .image)
+                let newPath = FileManager.default
+                    .containerURL(forSecurityApplicationGroupIdentifier: "group.\(this.hostAppBundleIdentifier)")!
+                    .appendingPathComponent(fileName)
+                let copied = this.copyFile(at: url, to: newPath)
+                if(copied) {
+                    this.sharedMedia.append(SharedMediaFile(path: newPath.absoluteString, thumbnail: nil, duration: nil, type: .image))
+                }
+
+                // If this is the last item, save imagesData in userDefaults and redirect to host app
+                if index == (content.attachments?.count)! - 1 {
+                    let userDefaults = UserDefaults(suiteName: "group.\(this.hostAppBundleIdentifier)")
+                    userDefaults?.set(this.toData(data: this.sharedMedia), forKey: this.sharedKey)
+                    userDefaults?.synchronize()
+                    this.redirectToHostApp(type: .media)
+                }
+
+            } else {
+                 self?.dismissWithError()
+            }
+        }
+    }
+
+    private func handleVideos (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
+        attachment.loadItem(forTypeIdentifier: videoContentType, options: nil) { [weak self] data, error in
+
+            if error == nil, let url = data as? URL, let this = self {
+
+                // Always copy
+                let fileName = this.getFileName(from: url, type: .video)
+                let newPath = FileManager.default
+                    .containerURL(forSecurityApplicationGroupIdentifier: "group.\(this.hostAppBundleIdentifier)")!
+                    .appendingPathComponent(fileName)
+                let copied = this.copyFile(at: url, to: newPath)
+                if(copied) {
+                    guard let sharedFile = this.getSharedMediaFile(forVideo: newPath) else {
+                        return
+                    }
+                    this.sharedMedia.append(sharedFile)
+                }
+
+                // If this is the last item, save imagesData in userDefaults and redirect to host app
+                if index == (content.attachments?.count)! - 1 {
+                    let userDefaults = UserDefaults(suiteName: "group.\(this.hostAppBundleIdentifier)")
+                    userDefaults?.set(this.toData(data: this.sharedMedia), forKey: this.sharedKey)
+                    userDefaults?.synchronize()
+                    this.redirectToHostApp(type: .media)
+                }
+
+            } else {
+                 self?.dismissWithError()
+            }
+        }
+    }
+
+    private func handleFiles (content: NSExtensionItem, attachment: NSItemProvider, index: Int) {
+        attachment.loadItem(forTypeIdentifier: fileURLType, options: nil) { [weak self] data, error in
+
+            if error == nil, let url = data as? URL, let this = self {
+
+                // Always copy
+                let fileName = this.getFileName(from :url, type: .file)
+                let newPath = FileManager.default
+                    .containerURL(forSecurityApplicationGroupIdentifier: "group.\(this.hostAppBundleIdentifier)")!
+                    .appendingPathComponent(fileName)
+                let copied = this.copyFile(at: url, to: newPath)
+                if (copied) {
+                    this.sharedMedia.append(SharedMediaFile(path: newPath.absoluteString, thumbnail: nil, duration: nil, type: .file))
+                }
+
+                if index == (content.attachments?.count)! - 1 {
+                    let userDefaults = UserDefaults(suiteName: "group.\(this.hostAppBundleIdentifier)")
+                    userDefaults?.set(this.toData(data: this.sharedMedia), forKey: this.sharedKey)
+                    userDefaults?.synchronize()
+                    this.redirectToHostApp(type: .file)
+                }
+
+            } else {
+                self?.dismissWithError()
+            }
+        }
+    }
+
+    private func dismissWithError() {
+        print("[ERROR] Error loading data!")
+        let alert = UIAlertController(title: "Error", message: "Error loading data", preferredStyle: .alert)
+
+        let action = UIAlertAction(title: "Error", style: .cancel) { _ in
+            self.dismiss(animated: true, completion: nil)
+        }
+
+        alert.addAction(action)
+        present(alert, animated: true, completion: nil)
+        extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
+    }
+
+    private func redirectToHostApp(type: RedirectType) {
+        let url = URL(string: "ShareMedia://dataUrl=\(sharedKey)#\(type)")
+        var responder = self as UIResponder?
+        let selectorOpenURL = sel_registerName("openURL:")
+
+        while (responder != nil) {
+            if (responder?.responds(to: selectorOpenURL))! {
+                let _ = responder?.perform(selectorOpenURL, with: url)
+            }
+            responder = responder!.next
+        }
+        extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
+    }
+
+    enum RedirectType {
+        case media
+        case text
+        case file
+    }
+
+    func getExtension(from url: URL, type: SharedMediaType) -> String {
+        let parts = url.lastPathComponent.components(separatedBy: ".")
+        var ex: String? = nil
+        if (parts.count > 1) {
+            ex = parts.last
+        }
+
+        if (ex == nil) {
+            switch type {
+                case .image:
+                    ex = "PNG"
+                case .video:
+                    ex = "MP4"
+                case .file:
+                    ex = "TXT"
+            }
+        }
+        return ex ?? "Unknown"
+    }
+
+    func getFileName(from url: URL, type: SharedMediaType) -> String {
+        var name = url.lastPathComponent
+
+        if (name.isEmpty) {
+            name = UUID().uuidString + "." + getExtension(from: url, type: type)
+        }
+
+        return name
+    }
+
+    func copyFile(at srcURL: URL, to dstURL: URL) -> Bool {
+        do {
+            if FileManager.default.fileExists(atPath: dstURL.path) {
+                try FileManager.default.removeItem(at: dstURL)
+            }
+            try FileManager.default.copyItem(at: srcURL, to: dstURL)
+        } catch (let error) {
+            print("Cannot copy item at \(srcURL) to \(dstURL): \(error)")
+            return false
+        }
+        return true
+    }
+
+    private func getSharedMediaFile(forVideo: URL) -> SharedMediaFile? {
+        let asset = AVAsset(url: forVideo)
+        let duration = (CMTimeGetSeconds(asset.duration) * 1000).rounded()
+        let thumbnailPath = getThumbnailPath(for: forVideo)
+
+        if FileManager.default.fileExists(atPath: thumbnailPath.path) {
+            return SharedMediaFile(path: forVideo.absoluteString, thumbnail: thumbnailPath.absoluteString, duration: duration, type: .video)
+        }
+
+        var saved = false
+        let assetImgGenerate = AVAssetImageGenerator(asset: asset)
+        assetImgGenerate.appliesPreferredTrackTransform = true
+        //        let scale = UIScreen.main.scale
+        assetImgGenerate.maximumSize =  CGSize(width: 360, height: 360)
+        do {
+            let img = try assetImgGenerate.copyCGImage(at: CMTimeMakeWithSeconds(600, preferredTimescale: Int32(1.0)), actualTime: nil)
+            try UIImage.pngData(UIImage(cgImage: img))()?.write(to: thumbnailPath)
+            saved = true
+        } catch {
+            saved = false
+        }
+
+        return saved ? SharedMediaFile(path: forVideo.absoluteString, thumbnail: thumbnailPath.absoluteString, duration: duration, type: .video) : nil
+
+    }
+
+    private func getThumbnailPath(for url: URL) -> URL {
+        let fileName = Data(url.lastPathComponent.utf8).base64EncodedString().replacingOccurrences(of: "==", with: "")
+        let path = FileManager.default
+            .containerURL(forSecurityApplicationGroupIdentifier: "group.\(hostAppBundleIdentifier)")!
+            .appendingPathComponent("\(fileName).jpg")
+        return path
+    }
+
+    class SharedMediaFile: Codable {
+        var path: String; // can be image, video or url path. It can also be text content
+        var thumbnail: String?; // video thumbnail
+        var duration: Double?; // video duration in milliseconds
+        var type: SharedMediaType;
+
+
+        init(path: String, thumbnail: String?, duration: Double?, type: SharedMediaType) {
+            self.path = path
+            self.thumbnail = thumbnail
+            self.duration = duration
+            self.type = type
+        }
+
+        // Debug method to print out SharedMediaFile details in the console
+        func toString() {
+            print("[SharedMediaFile] \n\tpath: \(self.path)\n\tthumbnail: \(self.thumbnail)\n\tduration: \(self.duration)\n\ttype: \(self.type)")
+        }
+    }
+
+    enum SharedMediaType: Int, Codable {
+        case image
+        case video
+        case file
+    }
+
+    func toData(data: [SharedMediaFile]) -> Data {
+        let encodedData = try? JSONEncoder().encode(data)
+        return encodedData!
+    }
+}
+
+extension Array {
+    subscript (safe index: UInt) -> Element? {
+        return Int(index) < count ? self[Int(index)] : nil
+    }
+}

openhaystack-mobile/lib/accessory/accessory_color_selector.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_colorpicker/flutter_colorpicker.dart';
+
+class AccessoryColorSelector extends StatelessWidget {
+
+  /// This shows a color selector.
+  /// 
+  /// The color can be selected via a color field or by inputing explicit
+  /// RGB values.
+  const AccessoryColorSelector({ Key? key }) : super(key: key);
+
+  /// Displays the color selector with the [initialColor] preselected.
+  /// 
+  /// The selected color is returned if the user selects the save option.
+  /// Otherwise the selection is discarded with a null return value.
+  static Future<Color?> showColorSelection(BuildContext context, Color initialColor) async {
+    Color currentColor = initialColor;
+    return await showDialog<Color>(
+      context: context,
+      builder: (BuildContext context) {
+        return AlertDialog(
+          title: const Text('Pick a color'),
+          content: SingleChildScrollView(
+            child: ColorPicker(
+              hexInputBar: true,
+              pickerColor: currentColor,
+              onColorChanged: (Color newColor) {
+                currentColor = newColor;
+              },
+            )
+          ),
+          actions: <Widget>[
+            ElevatedButton(
+              child: const Text('Save'),
+              onPressed: () {
+                Navigator.pop(context, currentColor);
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    throw UnimplementedError();
+  }
+
+}

openhaystack-mobile/lib/accessory/accessory_detail.dart

@@ -0,0 +1,166 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:openhaystack_mobile/accessory/accessory_color_selector.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon_selector.dart';
+import 'package:openhaystack_mobile/accessory/accessory_model.dart';
+import 'package:openhaystack_mobile/accessory/accessory_registry.dart';
+import 'package:openhaystack_mobile/item_management/accessory_name_input.dart';
+
+class AccessoryDetail extends StatefulWidget {
+  Accessory accessory;
+
+  /// A page displaying the editable information of a specific [accessory].
+  /// 
+  /// This shows the editable information of a specific [accessory] and
+  /// allows the user to edit them.
+  AccessoryDetail({
+    Key? key,
+    required this.accessory,
+  }) : super(key: key);
+
+  @override
+  _AccessoryDetailState createState() => _AccessoryDetailState();
+}
+
+class _AccessoryDetailState extends State<AccessoryDetail> {
+  // An accessory storing the changed values.
+  late Accessory newAccessory;
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  void initState() {
+    // Initialize changed accessory with existing accessory properties.
+    newAccessory = widget.accessory.clone();
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.accessory.name),
+      ),
+      body: SingleChildScrollView(
+        child: Form(
+          key: _formKey,
+          child: Column(
+            children: [
+              Center(
+                child: Stack(
+                  children: [
+                    Padding(
+                      padding: const EdgeInsets.all(20),
+                      child: AccessoryIcon(
+                        size: 100,
+                        icon: newAccessory.icon,
+                        color: newAccessory.color,
+                      ),
+                    ),
+                    Positioned(
+                      bottom: 0,
+                      right: 0,
+                      child: Padding(
+                        padding: const EdgeInsets.all(10.0),
+                        child: Container(
+                          decoration: const BoxDecoration(
+                            color: Color.fromARGB(255, 200, 200, 200),
+                            shape: BoxShape.circle,
+                          ),
+                          child: IconButton(
+                            onPressed: () async {
+                              // Show icon selection
+                              String? selectedIcon = await AccessoryIconSelector
+                                .showIconSelection(context, newAccessory.rawIcon, newAccessory.color);
+                              if (selectedIcon != null) {
+                                setState(() {
+                                  newAccessory.setIcon(selectedIcon);
+                                });
+
+                                // Show color selection only when icon is selected
+                                Color? selectedColor = await AccessoryColorSelector
+                                  .showColorSelection(context, newAccessory.color);
+                                if (selectedColor != null) {
+                                  setState(() {
+                                    newAccessory.color = selectedColor;
+                                  });
+                                }
+                              }
+                            },
+                            icon: const Icon(Icons.edit),
+                          ),
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              AccessoryNameInput(
+                initialValue: newAccessory.name,
+                onChanged: (value) {
+                  setState(() {
+                    newAccessory.name = value;
+                  });
+                },
+              ),
+              SwitchListTile(
+                value: newAccessory.isActive,
+                title: const Text('Is Active'),
+                onChanged: (checked) {
+                  setState(() {
+                    newAccessory.isActive = checked;
+                  });
+                },
+              ),
+              SwitchListTile(
+                value: newAccessory.isDeployed,
+                title: const Text('Is Deployed'),
+                onChanged: (checked) {
+                  setState(() {
+                    newAccessory.isDeployed = checked;
+                  });
+                },
+              ),
+              ListTile(
+                title: OutlinedButton(
+                  child: const Text('Save'),
+                  onPressed: _formKey.currentState == null || !_formKey.currentState!.validate()
+                    ? null : () {
+                    if (_formKey.currentState != null && _formKey.currentState!.validate()) {
+                      // Update accessory with changed values
+                      var accessoryRegistry = Provider.of<AccessoryRegistry>(context, listen: false);
+                      accessoryRegistry.editAccessory(widget.accessory, newAccessory);
+                      ScaffoldMessenger.of(context).showSnackBar(
+                        const SnackBar(
+                          content: Text('Changes saved!'),
+                        ),
+                      );
+                    }
+                  },
+                ),
+              ),
+              ListTile(
+                title: ElevatedButton(
+                  style: ButtonStyle(
+                    backgroundColor: MaterialStateProperty.resolveWith<Color?>(
+                      (Set<MaterialState> states) {
+                        return Theme.of(context).errorColor;
+                      },
+                    ),
+                  ),
+                  child: const Text('Delete Accessory', style: TextStyle(color: Colors.white),),
+                  onPressed: () {
+                    // Delete accessory
+                    var accessoryRegistry = Provider.of<AccessoryRegistry>(context, listen: false);
+                    accessoryRegistry.removeAccessory(widget.accessory);
+                    Navigator.pop(context);
+                  },
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_dto.dart

@@ -0,0 +1,106 @@
+/// This class is used for de-/serializing data to the JSON transfer format.
+class AccessoryDTO {
+  int id;
+  List<double> colorComponents;
+  String name;
+  double? lastDerivationTimestamp;
+  String? symmetricKey;
+  int? updateInterval;
+  String privateKey;
+  String icon;
+  bool isDeployed;
+  String colorSpaceName;
+  bool usesDerivation;
+  String? oldestRelevantSymmetricKey;
+  bool isActive;
+
+  /// Creates a transfer object to serialize to the JSON export format.
+  /// 
+  /// This implements the [toJson] method used by the Dart JSON serializer.
+  /// ```dart
+  ///   var accessoryDTO = AccessoryDTO(...);
+  ///   jsonEncode(accessoryDTO);
+  /// ```
+  AccessoryDTO({
+    required this.id,
+    required this.colorComponents,
+    required this.name,
+    this.lastDerivationTimestamp,
+    this.symmetricKey,
+    this.updateInterval,
+    required this.privateKey,
+    required this.icon,
+    required this.isDeployed,
+    required this.colorSpaceName,
+    required this.usesDerivation,
+    this.oldestRelevantSymmetricKey,
+    required this.isActive,
+  });
+
+  /// Creates a transfer object from deserialized JSON data.
+  /// 
+  /// The data is only decoded and not processed further.
+  /// 
+  /// Typically used with JSON decoder.
+  /// ```dart
+  ///   String json = '...';
+  ///   var accessoryDTO = AccessoryDTO.fromJSON(jsonDecode(json));
+  /// ```
+  /// 
+  /// This implements the [toJson] method used by the Dart JSON serializer.
+  /// ```dart
+  ///   var accessoryDTO = AccessoryDTO(...);
+  ///   jsonEncode(accessoryDTO);
+  /// ```
+  AccessoryDTO.fromJson(Map<String, dynamic> json)
+    : id = json['id'],
+      colorComponents = List.from(json['colorComponents'])
+        .map((val) => double.parse(val.toString())).toList(),
+      name = json['name'],
+      lastDerivationTimestamp = json['lastDerivationTimestamp'] ?? 0,
+      symmetricKey = json['symmetricKey'] ?? '',
+      updateInterval = json['updateInterval'] ?? 0,
+      privateKey = json['privateKey'],
+      icon = json['icon'],
+      isDeployed = json['isDeployed'],
+      colorSpaceName = json['colorSpaceName'],
+      usesDerivation = json['usesDerivation'] ?? false,
+      oldestRelevantSymmetricKey = json['oldestRelevantSymmetricKey'] ?? '',
+      isActive = json['isActive'];
+
+  /// Creates a JSON map of the serialized transfer object.
+  /// 
+  /// Typically used by JSON encoder.
+  /// ```dart
+  ///   var accessoryDTO = AccessoryDTO(...);
+  ///   jsonEncode(accessoryDTO);
+  /// ```
+  Map<String, dynamic> toJson() => usesDerivation ? {
+    // With derivation
+    'id': id,
+    'colorComponents': colorComponents,
+    'name': name,
+    'lastDerivationTimestamp': lastDerivationTimestamp,
+    'symmetricKey': symmetricKey,
+    'updateInterval': updateInterval,
+    'privateKey': privateKey,
+    'icon': icon,
+    'isDeployed': isDeployed,
+    'colorSpaceName': colorSpaceName,
+    'usesDerivation': usesDerivation,
+    'oldestRelevantSymmetricKey': oldestRelevantSymmetricKey,
+    'isActive': isActive,
+  } : {
+    // Without derivation (skip rolling key params)
+    'id': id,
+    'colorComponents': colorComponents,
+    'name': name,
+    'privateKey': privateKey,
+    'icon': icon,
+    'isDeployed': isDeployed,
+    'colorSpaceName': colorSpaceName,
+    'usesDerivation': usesDerivation,
+    'isActive': isActive,
+  };
+
+}

openhaystack-mobile/lib/accessory/accessory_icon.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
+
+class AccessoryIcon extends StatelessWidget {
+  /// The icon to display.
+  final IconData icon;
+  /// The color of the surrounding ring.
+  final Color color;
+  /// The size of the icon.
+  final double size;
+
+  /// Displays the icon in a colored ring.
+  /// 
+  /// The default size can be adjusted by setting the [size] parameter.
+  const AccessoryIcon({
+    Key? key,
+    this.icon = Icons.help,
+    this.color = Colors.grey,
+    this.size = 24,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: BoxDecoration(
+        color: Theme.of(context).colorScheme.surface,
+        shape: BoxShape.circle,
+        border: Border.all(width: size / 6, color: color),
+      ),
+      child: Padding(
+        padding: EdgeInsets.all(size / 12),
+        child: Icon(
+          icon,
+          size: size,
+          color: Theme.of(context).colorScheme.onSurface,
+        ),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_icon_model.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+
+class AccessoryIconModel {
+  /// A list of all available icons
+  static const List<String> icons = [
+    "creditcard.fill", "briefcase.fill", "case.fill", "latch.2.case.fill",
+    "key.fill", "mappin", "globe", "crown.fill",
+    "gift.fill", "car.fill", "bicycle", "figure.walk",
+    "heart.fill", "hare.fill", "tortoise.fill", "eye.fill",
+  ];
+
+  /// A mapping from the cupertino icon names to the material icon names.
+  /// 
+  /// If the icons do not match, so a similar replacement is used.
+  static const iconMapping = {
+    'creditcard.fill': Icons.credit_card,
+    'briefcase.fill': Icons.business_center,
+    'case.fill': Icons.work,
+    'latch.2.case.fill': Icons.business_center,
+    'key.fill': Icons.vpn_key,
+    'mappin': Icons.place,
+    // 'pushpin': Icons.push_pin,
+    'globe': Icons.language,
+    'crown.fill': Icons.school,
+    'gift.fill': Icons.redeem,
+    'car.fill': Icons.directions_car,
+    'bicycle': Icons.pedal_bike,
+    'figure.walk': Icons.directions_walk,
+    'heart.fill': Icons.favorite,
+    'hare.fill': Icons.pets,
+    'tortoise.fill': Icons.bug_report,
+    'eye.fill': Icons.visibility,
+  };
+
+  /// Looks up the equivalent material icon for the cupertino icon [iconName].
+  static IconData? mapIcon(String iconName) {
+    return iconMapping[iconName];
+  }
+}

openhaystack-mobile/lib/accessory/accessory_icon_selector.dart

@@ -0,0 +1,76 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon_model.dart';
+
+typedef IconChangeListener = void Function(String? newValue);
+
+class AccessoryIconSelector extends StatelessWidget {
+  /// The existing icon used previously.
+  final String icon;
+  /// The existing color used previously.
+  final Color color;
+  /// A callback being called when the icon changes.
+  final IconChangeListener iconChanged;
+
+  /// This show an icon selector.
+  /// 
+  /// The icon can be selected from a list of available icons.
+  /// The icons are handled by the cupertino icon names.
+  const AccessoryIconSelector({
+    Key? key,
+    required this.icon,
+    required this.color,
+    required this.iconChanged,
+  }) : super(key: key);
+
+  /// Displays the icon selector with the [currentIcon] preselected in the [highlighColor].
+  /// 
+  /// The selected icon as a cupertino icon name is returned if the user selects an icon.
+  /// Otherwise the selection is discarded and a null value is returned.
+  static Future<String?> showIconSelection(BuildContext context, String currentIcon, Color highlighColor) async {
+  return await showDialog<String>(
+    context: context,
+    builder: (BuildContext context) {
+      return LayoutBuilder(
+        builder: (context, constraints) => Dialog(
+          child: GridView.count(
+            primary: false,
+            padding: const EdgeInsets.all(20),
+            crossAxisSpacing: 10,
+            mainAxisSpacing: 10,
+            shrinkWrap: true,
+            crossAxisCount: min((constraints.maxWidth / 80).floor(), 8),
+            semanticChildCount: AccessoryIconModel.icons.length,
+            children: AccessoryIconModel.icons
+              .map((value) => IconButton(
+                icon: Icon(AccessoryIconModel.mapIcon(value)),
+                color: value == currentIcon ? highlighColor : null,
+                onPressed: () { Navigator.pop(context, value); },
+              )).toList(),
+          ),
+        ),
+      );
+    }
+  );
+}
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: const BoxDecoration(
+        color: Color.fromARGB(255, 200, 200, 200),
+        shape: BoxShape.circle,
+      ),
+      child: IconButton(
+        onPressed: () async {
+          String? selectedIcon = await showIconSelection(context, icon, color);
+          if (selectedIcon != null) {
+            iconChanged(selectedIcon);
+          }
+        },
+        icon: Icon(AccessoryIconModel.mapIcon(icon)),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_list.dart

@@ -0,0 +1,152 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter_slidable/flutter_slidable.dart';
+import 'package:maps_launcher/maps_launcher.dart';
+import 'package:provider/provider.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:openhaystack_mobile/accessory/accessory_list_item.dart';
+import 'package:openhaystack_mobile/accessory/accessory_list_item_placeholder.dart';
+import 'package:openhaystack_mobile/accessory/accessory_registry.dart';
+import 'package:openhaystack_mobile/accessory/no_accessories.dart';
+import 'package:openhaystack_mobile/history/accessory_history.dart';
+import 'package:openhaystack_mobile/location/location_model.dart';
+
+class AccessoryList extends StatefulWidget {
+  final AsyncCallback loadLocationUpdates;
+  final void Function(LatLng point)? centerOnPoint;
+
+  /// Display a location overview all accessories in a concise list form.
+  /// 
+  /// For each accessory the name and last known locaiton information is shown.
+  /// Uses the accessories in the [AccessoryRegistry].
+  const AccessoryList({
+    Key? key,
+    required this.loadLocationUpdates,
+    this.centerOnPoint,
+  }): super(key: key);
+
+  @override
+  _AccessoryListState createState() => _AccessoryListState();
+}
+
+class _AccessoryListState extends State<AccessoryList> {
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer2<AccessoryRegistry, LocationModel>(
+      builder: (context, accessoryRegistry, locationModel, child) {
+        var accessories = accessoryRegistry.accessories;
+
+        // Show placeholder while accessories are loading
+        if (accessoryRegistry.loading){
+          return LayoutBuilder(
+            builder: (context, constraints) {
+              // Show as many accessory placeholder fitting into the vertical space.
+              // Minimum one, maximum 6 placeholders
+              var nrOfEntries = min(max((constraints.maxHeight / 64).floor(), 1), 6);
+              List<Widget> placeholderList = [];
+              for (int i = 0; i < nrOfEntries; i++) {
+                placeholderList.add(const AccessoryListItemPlaceholder());
+              }
+              return Scrollbar(
+                child: ListView(
+                  children: placeholderList,
+                ),
+              );
+            }
+          );
+        }
+
+        if (accessories.isEmpty) {
+          return const NoAccessoriesPlaceholder();
+        }
+
+        // TODO: Refresh Indicator for desktop
+        // Use pull to refresh method
+        return SlidableAutoCloseBehavior(child:
+          RefreshIndicator(
+            onRefresh: widget.loadLocationUpdates,
+            child: Scrollbar(
+              child: ListView(
+                children: accessories.map((accessory) {
+                  // Calculate distance from users devices location
+                  Widget? trailing;
+                  if (locationModel.here != null && accessory.lastLocation != null) {
+                    const Distance distance = Distance();
+                    final double km = distance.as(LengthUnit.Kilometer, locationModel.here!, accessory.lastLocation!);
+                    trailing = Text(km.toString() + 'km');
+                  }
+                  // Get human readable location
+                  return Slidable(
+                    endActionPane: ActionPane(
+                      motion: const DrawerMotion(),
+                      children: [
+                        if (accessory.isDeployed) SlidableAction(
+                          onPressed: (context) async {
+                            if (accessory.lastLocation != null && accessory.isDeployed) {
+                              var loc = accessory.lastLocation!;
+                              await MapsLauncher.launchCoordinates(
+                                loc.latitude, loc.longitude, accessory.name);
+                            }
+                          },
+                          backgroundColor: Colors.blue,
+                          foregroundColor: Colors.white,
+                          icon: Icons.directions,
+                          label: 'Navigate',
+                        ),
+                        if (accessory.isDeployed) SlidableAction(
+                          onPressed: (context) {
+                            Navigator.push(
+                              context,
+                              MaterialPageRoute(builder: (context) => AccessoryHistory(
+                                accessory: accessory,
+                              )),
+                            );
+                          },
+                          backgroundColor: Colors.orange,
+                          foregroundColor: Colors.white,
+                          icon: Icons.history,
+                          label: 'History',
+                        ),
+                        if (!accessory.isDeployed) SlidableAction(
+                          onPressed: (context) {
+                            var accessoryRegistry = Provider.of<AccessoryRegistry>(context, listen: false);
+                            var newAccessory = accessory.clone();
+                            newAccessory.isDeployed = true;
+                            accessoryRegistry.editAccessory(accessory, newAccessory);
+                          },
+                          backgroundColor: Colors.green,
+                          foregroundColor: Colors.white,
+                          icon: Icons.upload_file,
+                          label: 'Deploy',
+                        ),
+                      ],
+                    ),
+                    child: Builder(
+                      builder: (context) {
+                        return AccessoryListItem(
+                          accessory: accessory,
+                          distance: trailing,
+                          herePlace: locationModel.herePlace,
+                          onTap: () {
+                            var lastLocation = accessory.lastLocation;
+                            if (lastLocation != null) {
+                              widget.centerOnPoint?.call(lastLocation);
+                            }
+                          },
+                          onLongPress: Slidable.of(context)?.openEndActionPane,
+                        );
+                      }
+                    ),
+                  );
+                }).toList(),
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_list_item.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/material.dart';
+import 'package:geocoding/geocoding.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon.dart';
+import 'package:openhaystack_mobile/accessory/accessory_model.dart';
+import 'package:intl/intl.dart';
+
+class AccessoryListItem extends StatelessWidget {
+  /// The accessory to display the information for.
+  final Accessory accessory;
+  /// A trailing distance information widget.
+  final Widget? distance;
+  /// Address information about the accessories location.
+  final Placemark? herePlace;
+  final VoidCallback onTap;
+  final VoidCallback? onLongPress;
+
+  /// Displays the location of an accessory as a concise list item.
+  /// 
+  /// Shows the icon and name of the accessory, as well as the current
+  /// location and distance to the user's location (if known; `distance != null`)
+  const AccessoryListItem({
+    Key? key,
+    required this.accessory,
+    required this.onTap,
+    this.onLongPress,
+    this.distance,
+    this.herePlace,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<Placemark?>(
+      future: accessory.place,
+      builder: (BuildContext context, AsyncSnapshot<Placemark?> snapshot) {
+        // Format the location of the accessory. Use in this order:
+        //   * Address if known
+        //   * Coordinates (latitude & longitude) if known
+        //   * `Unknown` if unknown
+        String locationString = accessory.lastLocation != null
+          ? '${accessory.lastLocation!.latitude}, ${accessory.lastLocation!.longitude}'
+          : 'Unknown';
+        if (snapshot.hasData && snapshot.data != null) {
+          Placemark place = snapshot.data!;
+          locationString = '${place.locality}, ${place.administrativeArea}';
+          if (herePlace != null && herePlace!.country != place.country) {
+            locationString = '${place.locality}, ${place.country}';
+          }
+        }
+        // Format published date in a human readable way
+        String? dateString = accessory.datePublished != null
+          ? ' · ${DateFormat('dd.MM.yyyy kk:mm').format(accessory.datePublished!)}'
+          : '';
+        return ListTile(
+          onTap: onTap,
+          onLongPress: onLongPress,
+          title: Text(
+            accessory.name + (accessory.isDeployed ? '' : ' (not deployed)'),
+            style: TextStyle(
+              color: accessory.isDeployed
+                ? Theme.of(context).colorScheme.onSurface
+                : Theme.of(context).disabledColor,
+            ),
+          ),
+          subtitle: Text(locationString + dateString),
+          trailing: distance,
+          dense: true,
+          leading: AccessoryIcon(
+            icon: accessory.icon,
+            color: accessory.color,
+          ),
+        );
+      },
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_list_item_placeholder.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/accessory/accessory_list_item.dart';
+import 'package:openhaystack_mobile/placeholder/avatar_placeholder.dart';
+import 'package:openhaystack_mobile/placeholder/text_placeholder.dart';
+
+class AccessoryListItemPlaceholder extends StatelessWidget {
+
+  /// A placeholder for an [AccessoryListItem] showing a loading animation.
+  const AccessoryListItemPlaceholder({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    // Uses a similar layout to the actual accessory list item
+    return const ListTile(
+      title: TextPlaceholder(),
+      subtitle: TextPlaceholder(),
+      dense: true,
+      leading: AvatarPlaceholder(),
+      trailing: TextPlaceholder(width: 60),
+    );
+  }
+}

openhaystack-mobile/lib/accessory/accessory_model.dart

@@ -0,0 +1,225 @@
+import 'package:flutter/material.dart';
+import 'package:geocoding/geocoding.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon_model.dart';
+import 'package:openhaystack_mobile/findMy/find_my_controller.dart';
+import 'package:openhaystack_mobile/location/location_model.dart';
+
+class Pair<T1, T2> {
+  final T1 a;
+  final T2 b;
+
+  Pair(this.a, this.b);
+}
+
+
+const defaultIcon = Icons.push_pin;
+
+
+class Accessory {
+  /// The ID of the accessory key.
+  String id;
+  /// A hash of the public key.
+  /// An identifier for the private key stored separately in the key store.
+  String hashedPublicKey;
+  /// If the accessory uses rolling keys.
+  bool usesDerivation;
+
+  // Parameters for rolling keys (only relevant is usesDerivation == true)
+  String? symmetricKey;
+  double? lastDerivationTimestamp;
+  int? updateInterval;
+  String? oldestRelevantSymmetricKey;
+  
+  /// The display name of the accessory.
+  String name;
+  /// The display icon of the accessory.
+  String _icon;
+  /// The display color of the accessory.
+  Color color;
+
+  /// If the accessory is active.
+  bool isActive;
+  /// If the accessory is already deployed
+  /// (and could therefore send locations).
+  bool isDeployed;
+
+  /// The timestamp of the last known location
+  /// (null if no location known).
+  DateTime? datePublished;
+  /// The last known locations coordinates
+  /// (null if no location known).
+  LatLng? _lastLocation;
+
+  /// A list of known locations over time.
+  List<Pair<LatLng, DateTime>> locationHistory = [];
+
+  /// Stores address information about the current location.
+  Future<Placemark?> place = Future.value(null);
+
+
+  /// Creates an accessory with the given properties.
+  Accessory({
+    required this.id,
+    required this.name,
+    required this.hashedPublicKey,
+    required this.datePublished,
+    this.isActive = false,
+    this.isDeployed = false,
+    LatLng? lastLocation,
+    String icon = 'mappin',
+    this.color = Colors.grey,
+    this.usesDerivation = false,
+    this.symmetricKey,
+    this.lastDerivationTimestamp,
+    this.updateInterval,
+    this.oldestRelevantSymmetricKey,
+  }): _icon = icon, _lastLocation = lastLocation, super() {
+    _init();
+  }
+
+  void _init() {
+    if (_lastLocation != null) {
+      place = LocationModel.getAddress(_lastLocation!);
+    }
+  }
+
+  /// Creates a new accessory with exactly the same properties of this accessory.
+  Accessory clone() {
+    return Accessory(
+      datePublished: datePublished,
+      id: id,
+      name: name,
+      hashedPublicKey: hashedPublicKey,
+      color: color,
+      icon: _icon,
+      isActive: isActive,
+      isDeployed: isDeployed,
+      lastLocation: lastLocation,
+      usesDerivation: usesDerivation,
+      symmetricKey: symmetricKey,
+      lastDerivationTimestamp: lastDerivationTimestamp,
+      updateInterval: updateInterval,
+      oldestRelevantSymmetricKey: oldestRelevantSymmetricKey,
+    );
+  }
+
+  /// Updates the properties of this accessor with the new values of the [newAccessory].
+  void update(Accessory newAccessory) {
+    datePublished = newAccessory.datePublished;
+    id = newAccessory.id;
+    name = newAccessory.name;
+    hashedPublicKey = newAccessory.hashedPublicKey;
+    color = newAccessory.color;
+    _icon = newAccessory._icon;
+    isActive = newAccessory.isActive;
+    isDeployed = newAccessory.isDeployed;
+    lastLocation = newAccessory.lastLocation;
+  }
+
+  /// The last known location of the accessory.
+  LatLng? get lastLocation {
+    return _lastLocation;
+  }
+
+  /// The last known location of the accessory.
+  set lastLocation(LatLng? newLocation) {
+    _lastLocation = newLocation;
+    if (_lastLocation != null) {
+      place = LocationModel.getAddress(_lastLocation!);
+    }
+  }
+
+  /// The display icon of the accessory.
+  IconData get icon {
+    IconData? icon = AccessoryIconModel.mapIcon(_icon);
+    return icon ?? defaultIcon;
+  }
+
+  /// The cupertino icon name.
+  String get rawIcon {
+    return _icon;
+  }
+
+  /// The display icon of the accessory.
+  setIcon (String icon) {
+    _icon = icon;
+  }
+
+  /// Creates an accessory from deserialized JSON data.
+  /// 
+  /// Uses the same format as in [toJson]
+  /// 
+  /// Typically used with JSON decoder.
+  /// ```dart
+  ///   String json = '...';
+  ///   var accessoryDTO = Accessory.fromJSON(jsonDecode(json));
+  /// ```
+  Accessory.fromJson(Map<String, dynamic> json)
+      : id = json['id'],
+        name = json['name'],
+        hashedPublicKey = json['hashedPublicKey'],
+        datePublished = json['datePublished'] != null
+          ? DateTime.fromMillisecondsSinceEpoch(json['datePublished']) : null,
+        _lastLocation = json['latitude'] != null && json['longitude'] != null
+          ? LatLng(json['latitude'].toDouble(), json['longitude'].toDouble()) : null,
+        isActive = json['isActive'],
+        isDeployed = json['isDeployed'],
+        _icon = json['icon'],
+        color = Color(int.parse(json['color'], radix: 16)),
+        usesDerivation = json['usesDerivation'] ?? false,
+        symmetricKey = json['symmetricKey'],
+        lastDerivationTimestamp = json['lastDerivationTimestamp'],
+        updateInterval = json['updateInterval'],
+        oldestRelevantSymmetricKey = json['oldestRelevantSymmetricKey'] {
+    _init();
+  }
+
+  /// Creates a JSON map of the serialized accessory.
+  /// 
+  /// Uses the same format as in [Accessory.fromJson].
+  /// 
+  /// Typically used by JSON encoder.
+  /// ```dart
+  ///   var accessory = Accessory(...);
+  ///   jsonEncode(accessory);
+  /// ```
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'name': name,
+    'hashedPublicKey': hashedPublicKey,
+    'datePublished': datePublished?.millisecondsSinceEpoch,
+    'latitude': _lastLocation?.latitude,
+    'longitude': _lastLocation?.longitude,
+    'isActive': isActive,
+    'isDeployed': isDeployed,
+    'icon': _icon,
+    'color': color.toString().split('(0x')[1].split(')')[0],
+    'usesDerivation': usesDerivation,
+    'symmetricKey': symmetricKey,
+    'lastDerivationTimestamp': lastDerivationTimestamp,
+    'updateInterval': updateInterval,
+    'oldestRelevantSymmetricKey': oldestRelevantSymmetricKey,
+  };
+
+  /// Returns the Base64 encoded hash of the advertisement key
+  /// (used to fetch location reports).
+  Future<String> getHashedAdvertisementKey() async {
+    var keyPair = await FindMyController.getKeyPair(hashedPublicKey);
+    return keyPair.getHashedAdvertisementKey();
+  }
+
+  /// Returns the Base64 encoded advertisement key
+  /// (sent out by the accessory via BLE).
+  Future<String> getAdvertisementKey() async {
+    var keyPair = await FindMyController.getKeyPair(hashedPublicKey);
+    return keyPair.getBase64AdvertisementKey();
+  }
+
+  /// Returns the Base64 encoded private key.
+  Future<String> getPrivateKey() async {
+    var keyPair = await FindMyController.getKeyPair(hashedPublicKey);
+    return keyPair.getBase64PrivateKey();
+  }
+
+}

openhaystack-mobile/lib/accessory/accessory_registry.dart

@@ -0,0 +1,155 @@
+import 'dart:collection';
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:openhaystack_mobile/accessory/accessory_model.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:openhaystack_mobile/findMy/find_my_controller.dart';
+import 'package:openhaystack_mobile/findMy/models.dart';
+
+const accessoryStorageKey = 'ACCESSORIES';
+
+class AccessoryRegistry extends ChangeNotifier {
+
+  final _storage = const FlutterSecureStorage();
+  final _findMyController = FindMyController();
+  List<Accessory> _accessories = [];
+  bool loading = false;
+  bool initialLoadFinished = false;
+
+  /// Creates the accessory registry.
+  /// 
+  /// This is used to manage the accessories of the user.
+  AccessoryRegistry() : super();
+
+  /// A list of the user's accessories.
+  UnmodifiableListView<Accessory> get accessories => UnmodifiableListView(_accessories);
+
+  /// Loads the user's accessories from persistent storage.
+  Future<void> loadAccessories() async {
+      loading = true;
+      String? serialized = await _storage.read(key: accessoryStorageKey);
+      if (serialized != null) {
+        List accessoryJson = json.decode(serialized);
+        List<Accessory> loadedAccessories =
+          accessoryJson.map((val) => Accessory.fromJson(val)).toList();
+        _accessories = loadedAccessories;
+      } else {
+        _accessories = [];
+      }
+
+      // For Debugging:
+      // await overwriteEverythingWithDemoDataForDebugging();
+
+      loading = false;
+
+      notifyListeners();
+  }
+
+  /// __USE ONLY FOR DEBUGGING PURPOSES__
+  /// 
+  /// __ALL PERSISTENT DATA WILL BE LOST!__
+  /// 
+  /// Overwrites all accessories in this registry with demo data for testing.
+  Future<void> overwriteEverythingWithDemoDataForDebugging() async {
+    // Delete everything to start with a fresh set of demo accessories
+    await _storage.deleteAll();
+
+    // Load demo accessories
+    List<Accessory> demoAccessories = [
+      Accessory(hashedPublicKey: 'TrnHrAM0ZrFSDeq1NN7ppmh0zYJotYiO09alVVF1mPI=',
+        id: '-5952179461995674635', name: 'Raspberry Pi', color: Colors.green,
+        datePublished: DateTime.fromMillisecondsSinceEpoch(1636390931651),
+        icon: 'gift.fill', lastLocation: LatLng(49.874739, 8.656280)),
+      Accessory(hashedPublicKey: 'TrnHrAM0ZrFSDeq1NN7ppmh0zYJotYiO09alVVF1mPI=',
+        id: '-5952179461995674635', name: 'My Bag', color: Colors.blue,
+        datePublished: DateTime.fromMillisecondsSinceEpoch(1636390931651),
+        icon: 'case.fill', lastLocation: LatLng(49.874739, 8.656280)),
+      Accessory(hashedPublicKey: 'TrnHrAM0ZrFSDeq1NN7ppmh0zYJotYiO09alVVF1mPI=',
+        id: '-5952179461995674635', name: 'Car', color: Colors.red,
+        datePublished: DateTime.fromMillisecondsSinceEpoch(1636390931651),
+        icon: 'car.fill', lastLocation: LatLng(49.874739, 8.656280)),
+    ];
+    _accessories = demoAccessories;
+
+    // Store demo accessories for later use
+    await _storeAccessories();
+
+    // Import private key for demo accessories
+    // Public key hash is TrnHrAM0ZrFSDeq1NN7ppmh0zYJotYiO09alVVF1mPI=
+    await FindMyController.importKeyPair('siykvOCIEQRVDwrbjyZUXuBwsMi0Htm7IBmBIg==');
+  }
+
+  /// Fetches new location reports and matches them to their accessory.
+  Future<void> loadLocationReports() async {
+    List<Future<List<FindMyLocationReport>>> runningLocationRequests = [];
+
+    // request location updates for all accessories simultaneously
+    List<Accessory> currentAccessories = accessories;
+    for (var i = 0; i < currentAccessories.length; i++) {
+      var accessory = currentAccessories.elementAt(i);
+
+      var keyPair = await FindMyController.getKeyPair(accessory.hashedPublicKey);
+      var locationRequest = FindMyController.computeResults(keyPair);
+      runningLocationRequests.add(locationRequest);
+    }
+
+    // wait for location updates to succeed and update state afterwards
+    var reportsForAccessories = await Future.wait(runningLocationRequests);
+    for (var i = 0; i < currentAccessories.length; i++) {
+      var accessory = currentAccessories.elementAt(i);
+      var reports = reportsForAccessories.elementAt(i);
+      
+      print("Found ${reports.length} reports for accessory '${accessory.name}'");
+
+      accessory.locationHistory = reports
+        .where((report) => report.latitude.abs() <= 90 && report.longitude.abs() < 90 )
+        .map((report) => Pair<LatLng, DateTime>(
+          LatLng(report.latitude, report.longitude),
+          report.timestamp ?? report.published,
+        ))
+        .toList();
+
+      if (reports.isNotEmpty) {
+        var lastReport = reports.first;
+        accessory.lastLocation = LatLng(lastReport.latitude, lastReport.longitude);
+        accessory.datePublished = lastReport.timestamp ?? lastReport.published;
+      }
+    }
+
+    // Store updated lastLocation and datePublished for accessories
+    _storeAccessories();
+
+    initialLoadFinished = true;
+    notifyListeners();
+  }
+
+  /// Stores the user's accessories in persistent storage.
+  Future<void> _storeAccessories() async {
+    List jsonList = _accessories.map(jsonEncode).toList();
+    await _storage.write(key: accessoryStorageKey, value: jsonList.toString());
+  }
+
+  /// Adds a new accessory to this registry.
+  void addAccessory(Accessory accessory) {
+    _accessories.add(accessory);
+    _storeAccessories();
+    notifyListeners();
+  }
+
+  /// Removes [accessory] from this registry.
+  void removeAccessory(Accessory accessory) {
+    _accessories.remove(accessory);
+    // TODO: remove private key from keychain
+    _storeAccessories();
+    notifyListeners();
+  }
+
+  /// Updates [oldAccessory] with the values from [newAccessory].
+  void editAccessory(Accessory oldAccessory, Accessory newAccessory) {
+    oldAccessory.update(newAccessory);
+    _storeAccessories();
+    notifyListeners();
+  }
+}

openhaystack-mobile/lib/accessory/no_accessories.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/item_management/new_item_action.dart';
+
+class NoAccessoriesPlaceholder extends StatelessWidget {
+
+  /// Displays a message that no accessories are present.
+  /// 
+  /// Allows the user to quickly add a new accessory.
+  const NoAccessoriesPlaceholder({ Key? key }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: const [
+          Text(
+            'There\'s Nothing Here Yet\nAdd an accessory to get started.',
+            style: TextStyle(
+              fontSize: 20,
+              color: Colors.grey,
+            ),
+            textAlign: TextAlign.center,
+          ),
+          NewKeyAction(mini: true),
+        ],
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/dashboard/accessory_map_list_vert.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_map/plugin_api.dart';
+import 'package:provider/provider.dart';
+import 'package:openhaystack_mobile/accessory/accessory_list.dart';
+import 'package:openhaystack_mobile/accessory/accessory_registry.dart';
+import 'package:openhaystack_mobile/location/location_model.dart';
+import 'package:openhaystack_mobile/map/map.dart';
+import 'package:latlong2/latlong.dart';
+
+class AccessoryMapListVertical extends StatefulWidget {
+  final AsyncCallback loadLocationUpdates;
+
+  /// Displays a map view and the accessory list in a vertical alignment.
+  const AccessoryMapListVertical({
+    Key? key,
+    required this.loadLocationUpdates,
+  }) : super(key: key);
+
+  @override
+  State<AccessoryMapListVertical> createState() => _AccessoryMapListVerticalState();
+}
+
+class _AccessoryMapListVerticalState extends State<AccessoryMapListVertical> {
+  final MapController _mapController = MapController();
+
+  void _centerPoint(LatLng point) {
+    _mapController.fitBounds(
+      LatLngBounds(point),
+    );
+  }
+  
+  @override
+  Widget build(BuildContext context) {
+    return Consumer2<AccessoryRegistry, LocationModel>(
+      builder: (BuildContext context, AccessoryRegistry accessoryRegistry, LocationModel locationModel, Widget? child) {
+        return Column(
+          children: [
+            Flexible(
+              fit: FlexFit.tight,
+              child: AccessoryMap(
+                mapController: _mapController,
+              ),
+            ),
+            Flexible(
+              fit: FlexFit.tight,
+              child: AccessoryList(
+                loadLocationUpdates: widget.loadLocationUpdates,
+                centerOnPoint: _centerPoint,
+              ),
+            ),
+          ],
+        );
+      },
+    );
+  }
+}

openhaystack-mobile/lib/dashboard/dashboard_desktop.dart

@@ -0,0 +1,93 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:openhaystack_mobile/accessory/accessory_list.dart';
+import 'package:openhaystack_mobile/accessory/accessory_registry.dart';
+import 'package:openhaystack_mobile/location/location_model.dart';
+import 'package:openhaystack_mobile/map/map.dart';
+import 'package:openhaystack_mobile/preferences/preferences_page.dart';
+import 'package:openhaystack_mobile/preferences/user_preferences_model.dart';
+
+class DashboardDesktop extends StatefulWidget {
+
+  /// Displays the layout for the desktop view of the app.
+  /// 
+  /// The layout is optimized for horizontally aligned larger screens
+  /// on desktop devices.
+  const DashboardDesktop({ Key? key }) : super(key: key);
+
+  @override
+  _DashboardDesktopState createState() => _DashboardDesktopState();
+}
+
+class _DashboardDesktopState extends State<DashboardDesktop> {
+
+  @override
+  void initState() {
+    super.initState();
+
+    // Initialize models and preferences
+    var userPreferences = Provider.of<UserPreferences>(context, listen: false);
+    var locationModel = Provider.of<LocationModel>(context, listen: false);
+    var locationPreferenceKnown = userPreferences.locationPreferenceKnown ?? false;
+    var locationAccessWanted = userPreferences.locationAccessWanted ?? false;
+    if (!locationPreferenceKnown || locationAccessWanted) {
+      locationModel.requestLocationUpdates();
+    }
+
+    loadLocationUpdates();
+  }
+
+  /// Fetch locaiton updates for all accessories.
+  Future<void> loadLocationUpdates() async {
+    var accessoryRegistry = Provider.of<AccessoryRegistry>(context, listen: false);
+    await accessoryRegistry.loadLocationReports();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Row(
+        children: [
+          SizedBox(
+            width: 400,
+            child: Column(
+              children: [
+                AppBar(
+                  title: const Text('OpenHaystack'),
+                  leading: IconButton(
+                    onPressed: () { /* reload */ },
+                    icon: const Icon(Icons.menu),
+                  ),
+                  actions: <Widget>[
+                    IconButton(
+                      onPressed: () {
+                        Navigator.push(
+                          context,
+                          MaterialPageRoute(builder: (context) => const PreferencesPage()),
+                        );
+                      },
+                      icon: const Icon(Icons.settings),
+                    ),
+                  ],
+                ),
+                const Padding(
+                  padding: EdgeInsets.all(5),
+                  child: Text('My Accessories')
+                ),
+                Expanded(
+                  child: AccessoryList(
+                    loadLocationUpdates: loadLocationUpdates,
+                  ),
+                ),
+              ],
+            ),
+          ),
+          const Expanded(
+            child: AccessoryMap(),
+          ),
+        ],
+      ),
+    );
+  }
+
+}

openhaystack-mobile/lib/dashboard/dashboard_mobile.dart

@@ -0,0 +1,121 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:openhaystack_mobile/accessory/accessory_registry.dart';
+import 'package:openhaystack_mobile/dashboard/accessory_map_list_vert.dart';
+import 'package:openhaystack_mobile/item_management/item_management.dart';
+import 'package:openhaystack_mobile/item_management/new_item_action.dart';
+import 'package:openhaystack_mobile/location/location_model.dart';
+import 'package:openhaystack_mobile/preferences/preferences_page.dart';
+import 'package:openhaystack_mobile/preferences/user_preferences_model.dart';
+
+class DashboardMobile extends StatefulWidget {
+
+  /// Displays the layout for the mobile view of the app.
+  /// 
+  /// The layout is optimized for a vertically aligned small screens.
+  /// The functionality is structured in a bottom tab bar for easy access
+  /// on mobile devices.
+  const DashboardMobile({ Key? key }) : super(key: key);
+
+  @override
+  _DashboardMobileState createState() => _DashboardMobileState();
+}
+
+class _DashboardMobileState extends State<DashboardMobile> {
+
+  /// A list of the tabs displayed in the bottom tab bar.
+  late final List<Map<String, dynamic>> _tabs = [
+    {
+      'title': 'My Accessories',
+      'body': (ctx) => AccessoryMapListVertical(
+        loadLocationUpdates: loadLocationUpdates,
+      ),
+      'icon': Icons.place,
+      'label': 'Map',
+    },
+    {
+      'title': 'My Accessories',
+      'body': (ctx) => const KeyManagement(),
+      'icon': Icons.style,
+      'label': 'Accessories',
+      'actionButton': (ctx) => const NewKeyAction(),
+    },
+  ];
+
+  @override
+  void initState() {
+    super.initState();
+
+    // Initialize models and preferences
+    var userPreferences = Provider.of<UserPreferences>(context, listen: false);
+    var locationModel = Provider.of<LocationModel>(context, listen: false);
+    var locationPreferenceKnown = userPreferences.locationPreferenceKnown ?? false;
+    var locationAccessWanted = userPreferences.locationAccessWanted ?? false;
+    if (!locationPreferenceKnown || locationAccessWanted) {
+      locationModel.requestLocationUpdates();
+    }
+
+    // Load new location reports on app start
+    loadLocationUpdates();
+  }
+
+  /// Fetch locaiton updates for all accessories.
+  Future<void> loadLocationUpdates() async {
+    var accessoryRegistry = Provider.of<AccessoryRegistry>(context, listen: false);
+    try {
+      await accessoryRegistry.loadLocationReports();
+    } catch (e) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          backgroundColor: Theme.of(context).colorScheme.error,
+          content: Text(
+            'Could not find location reports. Try again later.',
+            style: TextStyle(
+              color: Theme.of(context).colorScheme.onError,
+            ),
+          ),
+        ),
+      );
+    }
+  }
+
+  /// The selected tab index.
+  int _selectedIndex = 0;
+  /// Updates the currently displayed tab to [index].
+  void _onItemTapped(int index) {
+    setState(() {
+      _selectedIndex = index;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('My Accessories'),
+        actions: <Widget>[
+          IconButton(
+            onPressed: () {
+              Navigator.push(
+                context,
+                MaterialPageRoute(builder: (context) => const PreferencesPage()),
+              );
+            },
+            icon: const Icon(Icons.settings),
+          ),
+        ],
+      ),
+      body: _tabs[_selectedIndex]['body'](context),
+      bottomNavigationBar: BottomNavigationBar(
+        items: _tabs.map((tab) => BottomNavigationBarItem(
+          icon: Icon(tab['icon']),
+          label: tab['label'],
+        )).toList(),
+        currentIndex: _selectedIndex,
+        selectedItemColor: Theme.of(context).indicatorColor,
+        onTap: _onItemTapped,
+      ),
+      floatingActionButton: _tabs[_selectedIndex]['actionButton']?.call(context),
+    );
+  }
+}

openhaystack-mobile/lib/deployment/code_block.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class CodeBlock extends StatelessWidget {
+  String text;
+
+  /// Displays a code block that can easily copied by the user.
+  CodeBlock({
+    Key? key,
+    required this.text,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 8.0),
+      child: Stack(
+        children: [
+          Container(
+            width: double.infinity,
+            constraints: const BoxConstraints(minHeight: 50),
+            decoration: BoxDecoration(
+              borderRadius: const BorderRadius.all(Radius.circular(10)),
+              color: Theme.of(context).colorScheme.background,
+            ),
+            padding: const EdgeInsets.all(5),
+            child: SelectableText(text),
+          ),
+          Positioned(
+            top: 0,
+            right: 5,
+            child: OutlinedButton(
+              child: const Text('Copy'),
+              onPressed: () {
+                Clipboard.setData(ClipboardData(text: text));
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/deployment/deployment_details.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+
+class DeploymentDetails extends StatefulWidget {
+  /// The steps required to deploy on this target.
+  List<Step> steps;
+  /// The name of the deployment target.
+  String title;
+
+  /// Describes a generic step-by-step deployment for a special hardware target.
+  /// 
+  /// The actual steps depend on the target platform and are provided in [steps].
+  DeploymentDetails({
+    Key? key,
+    required this.title,
+    required this.steps,
+  }) : super(key: key);
+
+  @override
+  _DeploymentDetailsState createState() => _DeploymentDetailsState();
+}
+
+class _DeploymentDetailsState extends State<DeploymentDetails> {
+  /// The index of the currently displayed step.
+  int _index = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    var stepCount = widget.steps.length;
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: SafeArea(
+        child: Stepper(
+          currentStep: _index,
+          controlsBuilder: (BuildContext context, ControlsDetails details) {
+            String continueText = _index < stepCount - 1 ? 'CONTINUE' : 'FINISH';
+            return Row(
+              children: <Widget>[
+                ElevatedButton(
+                  style: ElevatedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(1))),
+                  onPressed: details.onStepContinue,
+                  child: Text(continueText),
+                ),
+                if (_index > 0) TextButton(
+                  onPressed: details.onStepCancel,
+                  child: const Text('BACK'),
+                ),
+              ],
+            );
+          },
+          onStepCancel: () {
+            // Back button clicked
+            if (_index == 0) {
+              // Cancel deployment and return
+              Navigator.pop(context);
+            }
+            else if (_index > 0) {
+              setState(() {
+                _index -= 1;
+              });
+            }
+          },
+          onStepContinue: () {
+            // Continue button clicked
+            if (_index == stepCount - 1) {
+              // TODO: Mark accessory as deployed
+              // Deployment finished
+              Navigator.pop(context);
+              Navigator.pop(context);
+            } else { 
+              setState(() {
+                _index += 1;
+              });
+            }
+          },
+          onStepTapped: (int index) {
+            setState(() {
+              _index = index;
+            });
+          },
+          steps: widget.steps,
+        ),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/deployment/deployment_email.dart

@@ -0,0 +1,95 @@
+class DeploymentEmail {
+  static const _mailtoLink =
+      'mailto:?subject=Open%20Haystack%20Deplyoment%20Instructions&body=';
+
+  static const _welcomeMessage = 'OpenHaystack Deployment Guide\n\n'
+      'This is the deployment guide for your recently created OpenHaystack accessory. '
+      'The next step is to deploy the generated cryptographic key to a compatible '
+      'Bluetooth device.\n\n';
+
+  static const _finishedMessage =
+      '\n\nThe device now sends out Bluetooth advertisements. '
+      'It can take up to an hour for the location updates to appear in the app.\n';
+
+  static String getMicrobitDeploymentEmail(String advertisementKey) {
+    String mailContent = 'nRF51822 Deployment:\n\n'
+        'Requirements\n'
+        'To build the firmware the GNU Arm Embedded Toolchain is required.\n\n'
+        'Download\n'
+        'Download the firmware source code from GitHub and navigate to the '
+        'given folder.\n'
+        'https://github.com/seemoo-lab/openhaystack\n'
+        'git clone https://github.com/seemoo-lab/openhaystack.git && '
+        'cd openhaystack/Firmware/Microbit_v1\n\n'
+        'Build\n'
+        'Replace the public_key in main.c (initially '
+        'OFFLINEFINEINGPUBLICKEYHERE!) with the actual advertisement key. '
+        'Then execute make to create the firmware. You can export your '
+        'advertisement key directly from the OpenHaystack app.\n'
+        'static char public_key[28] = $advertisementKey;\n'
+        'make\n\n'
+        'Firmware Deployment\n'
+        'If the firmware is built successfully it can be deployed to the '
+        'microcontroller with the following command. (Please fill in the '
+        'volume of your microcontroller) \n'
+        'make install  DEPLOY_PATH=/Volumes/MICROBIT';
+
+    return _mailtoLink +
+        Uri.encodeComponent(_welcomeMessage) +
+        Uri.encodeComponent(mailContent) +
+        Uri.encodeComponent(_finishedMessage);
+  }
+
+  static String getESP32DeploymentEmail(String advertisementKey) {
+    String mailContent = 'Espressif ESP32 Deployment: \n\n'
+        'Requirements\n'
+        'To build the firmware for the ESP32 Espressif\'s IoT Development '
+        'Framework (ESP-IDF) is required. Additionally Python 3 and the venv '
+        'module need to be installed.\n\n'
+        'Download\n'
+        'Download the firmware source code from GitHub and navigate to the '
+        'given folder.\n'
+        'https://github.com/seemoo-lab/openhaystack\n'
+        'git clone https://github.com/seemoo-lab/openhaystack.git '
+        '&& cd openhaystack/Firmware/ESP32\n\n'
+        'Build\n'
+        'Execute the ESP-IDF build command to create the ESP32 firmware.\n'
+        'idf.py build\n\n'
+        'Firmware Deployment\n'
+        'If the firmware is built successfully it can be flashed onto the '
+        'ESP32. This action is performed by the flash_esp32.sh script that '
+        'is provided with the advertisement key of the newly created accessory.\n'
+        'Please fill in the serial port of your microcontroller.\n'
+        'You can export your advertisement key directly from the '
+        'OpenHaystack app.\n'
+        './flash_esp32.sh -p /dev/yourSerialPort $advertisementKey';
+
+    return _mailtoLink +
+        Uri.encodeComponent(_welcomeMessage) +
+        Uri.encodeComponent(mailContent) +
+        Uri.encodeComponent(_finishedMessage);
+  }
+
+  static String getLinuxHCIDeploymentEmail(String advertisementKey) {
+    String mailContent = 'Linux HCI Deployment:\n\n'
+        'Requirements\n'
+        'Install the hcitool software on a Bluetooth Low Energy Linux device, '
+        'for example a Raspberry Pi. Additionally Pyhton 3 needs to be '
+        'installed.\n\n'
+        'Download\n'
+        'Next download the python script that configures the HCI tool to '
+        'send out BLE advertisements.\n'
+        'https://raw.githubusercontent.com/seemoo-lab/openhaystack/main/Firmware/Linux_HCI/HCI.py\n'
+        'curl -o HCI.py https://raw.githubusercontent.com/seemoo-lab/openhaystack/main/Firmware/Linux_HCI/HCI.py\n\n'
+        'Usage\n'
+        'To start the BLE advertisements run the script.\n'
+        'You can export your advertisement key directly from the '
+        'OpenHaystack app.\n'
+        'sudo python3 HCI.py --key $advertisementKey';
+
+    return _mailtoLink +
+        Uri.encodeComponent(_welcomeMessage) +
+        Uri.encodeComponent(mailContent) +
+        Uri.encodeComponent(_finishedMessage);
+  }
+}

openhaystack-mobile/lib/deployment/deployment_esp32.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/deployment/code_block.dart';
+import 'package:openhaystack_mobile/deployment/deployment_details.dart';
+import 'package:openhaystack_mobile/deployment/hyperlink.dart';
+
+class DeploymentInstructionsESP32 extends StatelessWidget {
+  String advertisementKey;
+
+  /// Displays a deployment guide for the ESP32 platform.
+  DeploymentInstructionsESP32({
+    Key? key,
+    this.advertisementKey = '<ADVERTISEMENT_KEY>',
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return DeploymentDetails(
+      title: 'ESP32 Deployment',
+      steps: [
+        const Step(
+          title: Text('Requirements'),
+          content: Text('To build the firmware for the ESP32 Espressif\'s '
+            'IoT Development Framework (ESP-IDF) is required. Additionally '
+            'Python 3 and the venv module need to be installed.'),
+        ),
+        Step(
+          title: const Text('Download'),
+          content: Column(
+            children: [
+              const Text('Download the firmware source code from GitHub '
+                'and navigate to the given folder.'),
+              Hyperlink(target: 'https://github.com/seemoo-lab/openhaystack'),
+              CodeBlock(text: 'git clone https://github.com/seemoo-lab/openhaystack.git && cd openhaystack/Firmware/ESP32'),
+            ],
+          ),
+        ),
+        Step(
+          title: const Text('Build'),
+          content: Column(
+            children: [
+              const Text('Execute the ESP-IDF build command to create the ESP32 firmware.'),
+              CodeBlock(text: 'idf.py build'),
+            ],
+          ),
+        ),
+        Step(
+          title: const Text('Firmware Deployment'),
+          content: Column(
+            children: [
+              const Text('If the firmware is built successfully it can '
+                'be flashed onto the ESP32. This action is performed by '
+                'the flash_esp32.sh script that is provided with the '
+                'advertisement key of the newly created accessory.'),
+              const Text(
+                'Please fill in the serial port of your microcontroller.',
+                style: TextStyle(
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+              CodeBlock(text: './flash_esp32.sh -p /dev/yourSerialPort "$advertisementKey"'),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}

openhaystack-mobile/lib/deployment/deployment_instructions.dart

@@ -0,0 +1,253 @@
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/deployment/deployment_email.dart';
+import 'package:openhaystack_mobile/deployment/deployment_esp32.dart';
+import 'package:openhaystack_mobile/deployment/deployment_linux_hci.dart';
+import 'package:openhaystack_mobile/deployment/deployment_nrf51.dart';
+import 'package:openhaystack_mobile/deployment/hyperlink.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class DeploymentInstructions extends StatefulWidget {
+  String advertisementKey;
+
+  /// Displays deployment instructions for an already created accessory.
+  ///
+  /// Provides general information about the created accessory and deployment.
+  /// Deployment guides for special hardware can be accessed separately.
+  ///
+  /// The deployment instructions are customized with the [advertisementKey].
+  DeploymentInstructions({
+    Key? key,
+    this.advertisementKey = '<ADVERTISEMENT_KEY>',
+  }) : super(key: key);
+
+  @override
+  _DeploymentInstructionsState createState() => _DeploymentInstructionsState();
+}
+
+class _DeploymentInstructionsState extends State<DeploymentInstructions> {
+  final List<bool> _expanded = [false, false, false];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('How to Deploy'),
+      ),
+      body: SafeArea(
+        child: SingleChildScrollView(
+          child: Column(
+            children: <Widget>[
+              ListTile(
+                title: RichText(
+                  text: TextSpan(
+                    children: [
+                      TextSpan(
+                        text: 'Congratulations, you successfully created '
+                            'your accessory!\nThe next step is to deploy the generated '
+                            'key to a Bluetooth device. OpenHaystack currently '
+                            'supports three different deployment targets:\n'
+                            'Nordic nRF51, Espressif ESP32 and the generic Linux HCI '
+                            'platform.\nAdditional information about the deployment '
+                            'can be found on ',
+                        style: TextStyle(
+                          color: Theme.of(context).colorScheme.onSurface,
+                          fontSize: 18,
+                        ),
+                      ),
+                      TextSpan(
+                        text: 'GitHub',
+                        style: const TextStyle(
+                          color: Colors.blue,
+                          decoration: TextDecoration.underline,
+                          fontSize: 18,
+                        ),
+                        recognizer: TapGestureRecognizer()
+                          ..onTap = () {
+                            launch(
+                                'https://github.com/seemoo-lab/openhaystack/');
+                          },
+                      ),
+                      const TextSpan(
+                        text: '.',
+                        style: TextStyle(color: Colors.black, fontSize: 18),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+              ExpansionPanelList(
+                expansionCallback: (int index, bool isExpanded) {
+                  setState(() {
+                    _expanded[index] = !isExpanded;
+                  });
+                },
+                children: [
+                  ExpansionPanel(
+                    headerBuilder: (BuildContext context, bool isExpanded) {
+                      return const ListTile(
+                        title: Text('Nordic vRF51'),
+                      );
+                    },
+                    body: Column(
+                      children: <Widget>[
+                        const ListTile(
+                          title: Text(
+                              'For this firmware you need a nFR51822 platform '
+                              'microcontroller. The provided firmware will send out '
+                              'the created key so it can be found by Apple\'s Find My '
+                              'network.'),
+                        ),
+                        ListTile(
+                          title: Hyperlink(
+                            text: 'See deployment guide on GitHub',
+                            target:
+                                'https://github.com/seemoo-lab/openhaystack/tree/main/Firmware/Microbit_v1',
+                          ),
+                        ),
+                        Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                          children: [
+                            OutlinedButton(
+                              child: const Text('Send per mail'),
+                              onPressed: () async {
+                                await launch(
+                                    DeploymentEmail.getMicrobitDeploymentEmail(
+                                        widget.advertisementKey));
+                              },
+                            ),
+                            ElevatedButton(
+                              child: const Text('Continue'),
+                              onPressed: () {
+                                Navigator.push(
+                                  context,
+                                  MaterialPageRoute(
+                                      builder: (context) =>
+                                          DeploymentInstructionsNRF51(
+                                            advertisementKey:
+                                                widget.advertisementKey,
+                                          )),
+                                );
+                              },
+                            ),
+                          ],
+                        ),
+                      ],
+                    ),
+                    isExpanded: _expanded[0],
+                  ),
+                  ExpansionPanel(
+                    headerBuilder: (BuildContext context, bool isExpanded) {
+                      return const ListTile(
+                        title: Text('Espressif ESP32'),
+                      );
+                    },
+                    body: Column(
+                      children: <Widget>[
+                        const ListTile(
+                          title: Text(
+                              'For this firmware you need an ESP32 platform '
+                              'microcontroller. The provided firmware will send out '
+                              'the created key so it can be found by Apple\'s Find My '
+                              'network.'),
+                        ),
+                        ListTile(
+                          title: Hyperlink(
+                            text: 'See deployment guide on GitHub',
+                            target:
+                                'https://github.com/seemoo-lab/openhaystack/tree/main/Firmware/ESP32',
+                          ),
+                        ),
+                        Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                          children: [
+                            OutlinedButton(
+                              child: const Text('Send per mail'),
+                              onPressed: () async {
+                                await launch(
+                                    DeploymentEmail.getESP32DeploymentEmail(
+                                        widget.advertisementKey));
+                              },
+                            ),
+                            ElevatedButton(
+                              child: const Text('Continue'),
+                              onPressed: () {
+                                Navigator.push(
+                                  context,
+                                  MaterialPageRoute(
+                                      builder: (context) =>
+                                          DeploymentInstructionsESP32(
+                                            advertisementKey:
+                                                widget.advertisementKey,
+                                          )),
+                                );
+                              },
+                            ),
+                          ],
+                        ),
+                      ],
+                    ),
+                    isExpanded: _expanded[1],
+                  ),
+                  ExpansionPanel(
+                    headerBuilder: (BuildContext context, bool isExpanded) {
+                      return const ListTile(
+                        title: Text('Linux HCI'),
+                      );
+                    },
+                    body: Column(
+                      children: <Widget>[
+                        const ListTile(
+                          title: Text(
+                              'This method only requires a Bluetooth enabled '
+                              'Linux device. Using the hcitool and a provided script '
+                              'the devices advertises the created key so it can be '
+                              'found by Apple\'s Find My network.'),
+                        ),
+                        ListTile(
+                          title: Hyperlink(
+                            text: 'See deployment guide on GitHub',
+                            target:
+                                'https://github.com/seemoo-lab/openhaystack/tree/main/Firmware/Linux_HCI',
+                          ),
+                        ),
+                        Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                          children: [
+                            OutlinedButton(
+                              child: const Text('Send per mail'),
+                              onPressed: () async {
+                                await launch(
+                                    DeploymentEmail.getLinuxHCIDeploymentEmail(
+                                        widget.advertisementKey));
+                              },
+                            ),
+                            ElevatedButton(
+                              child: const Text('Continue'),
+                              onPressed: () {
+                                Navigator.push(
+                                  context,
+                                  MaterialPageRoute(
+                                      builder: (context) =>
+                                          DeploymentInstructionsLinux(
+                                            advertisementKey:
+                                                widget.advertisementKey,
+                                          )),
+                                );
+                              },
+                            ),
+                          ],
+                        ),
+                      ],
+                    ),
+                    isExpanded: _expanded[2],
+                  ),
+                ],
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/deployment/deployment_linux_hci.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/deployment/code_block.dart';
+import 'package:openhaystack_mobile/deployment/deployment_details.dart';
+import 'package:openhaystack_mobile/deployment/hyperlink.dart';
+
+class DeploymentInstructionsLinux extends StatelessWidget {
+  String advertisementKey;
+
+  /// Displays a deployment guide for the generic Linux HCI platform.
+  DeploymentInstructionsLinux({
+    Key? key,
+    this.advertisementKey = '<ADVERTISEMENT_KEY>',
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return DeploymentDetails(
+      title: 'Linux HCI Deployment',
+      steps: [
+        const Step(
+          title: Text('Requirements'),
+          content: Text('Install the hcitool software on a Bluetooth '
+            'Low Energy Linux device, for example a Raspberry Pi. '
+            'Additionally Pyhton 3 needs to be installed.'),
+        ),
+        Step(
+          title: const Text('Download'),
+          content: Column(
+            children: [
+              const Text('Next download the python script that '
+                'configures the HCI tool to send out BLE advertisements.'),
+              Hyperlink(target: 'https://raw.githubusercontent.com/seemoo-lab/openhaystack/main/Firmware/Linux_HCI/HCI.py'),
+              CodeBlock(text: 'curl -o HCI.py https://raw.githubusercontent.com/seemoo-lab/openhaystack/main/Firmware/Linux_HCI/HCI.py'),
+            ],
+          ),
+        ),
+        Step(
+          title: const Text('Usage'),
+          content: Column(
+            children: [
+              const Text('To start the BLE advertisements run the script.'),
+              CodeBlock(text: 'sudo python3 HCI.py --key $advertisementKey'),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}

openhaystack-mobile/lib/deployment/deployment_nrf51.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/deployment/code_block.dart';
+import 'package:openhaystack_mobile/deployment/deployment_details.dart';
+import 'package:openhaystack_mobile/deployment/hyperlink.dart';
+
+class DeploymentInstructionsNRF51 extends StatelessWidget {
+  String advertisementKey;
+
+  /// Displays a deployment guide for the NRF51 platform.
+  DeploymentInstructionsNRF51({
+    Key? key,
+    this.advertisementKey = '<ADVERTISEMENT_KEY>',
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return DeploymentDetails(
+      title: 'nRF51822 Deployment',
+      steps: [
+        const Step(
+          title: Text('Requirements'),
+          content: Text('To build the firmware the GNU Arm Embedded '
+            'Toolchain is required.'),
+        ),
+        Step(
+          title: const Text('Download'),
+          content: Column(
+            children: [
+              const Text('Download the firmware source code from GitHub '
+                'and navigate to the given folder.'),
+              Hyperlink(target: 'https://github.com/seemoo-lab/openhaystack'),
+              CodeBlock(text: 'git clone https://github.com/seemoo-lab/openhaystack.git && cd openhaystack/Firmware/Microbit_v1'),
+            ],
+          ),
+        ),
+        Step(
+          title: const Text('Build'),
+          content: Column(
+            children: [
+              const Text('Replace the public_key in main.c (initially '
+                'OFFLINEFINEINGPUBLICKEYHERE!) with the actual '
+                'advertisement key. Then execute make to create the '
+                'firmware.'),
+              CodeBlock(text: 'static char public_key[28] = "$advertisementKey";'),
+              CodeBlock(text: 'make'),
+            ],
+          ),
+        ),
+        Step(
+          title: const Text('Firmware Deployment'),
+          content: Column(
+            children: [
+              const Text('If the firmware is built successfully it can '
+                'be deployed to the microcontroller with the following '
+                'command.'),
+              const Text(
+                'Please fill in the volume of your microcontroller.',
+                style: TextStyle(
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+              
+              CodeBlock(text: 'make install  DEPLOY_PATH=/Volumes/MICROBIT'),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}

openhaystack-mobile/lib/deployment/hyperlink.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class Hyperlink extends StatelessWidget {
+  /// The target url to open.
+  String target;
+  /// The display text of the hyperlink. Default is [target].
+  String _text;
+
+  /// Displays a hyperlink that can be opened by a tap.
+  Hyperlink({
+    Key? key,
+    required this.target,
+    text,
+  }) : _text = text ?? target, super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      child: Text(_text,
+        style: const TextStyle(
+          color: Colors.blue,
+          decoration: TextDecoration.underline,
+        ),
+      ),
+      onTap: () {
+        launch(target);
+      },
+    );
+  }
+}

openhaystack-mobile/lib/findMy/decrypt_reports.dart

@@ -0,0 +1,115 @@
+import 'dart:convert';
+import 'dart:isolate';
+import 'dart:typed_data';
+
+import 'package:pointycastle/export.dart';
+import 'package:pointycastle/src/utils.dart' as pc_utils;
+import 'package:openhaystack_mobile/findMy/models.dart';
+
+class DecryptReports {
+  /// Decrypts a given [FindMyReport] with the given private key.
+  static Future<FindMyLocationReport> decryptReport(
+      FindMyReport report, Uint8List key) async {
+    final curveDomainParam = ECCurve_secp224r1();
+
+    final payloadData = report.payload;
+    final ephemeralKeyBytes = payloadData.sublist(5, 62);
+    final encData = payloadData.sublist(62, 72);
+    final tag = payloadData.sublist(72, payloadData.length);
+
+    _decodeTimeAndConfidence(payloadData, report);
+
+    final privateKey = ECPrivateKey(
+        pc_utils.decodeBigIntWithSign(1, key),
+        curveDomainParam);
+
+    final decodePoint = curveDomainParam.curve.decodePoint(ephemeralKeyBytes);
+    final ephemeralPublicKey = ECPublicKey(decodePoint, curveDomainParam);
+
+    final Uint8List sharedKeyBytes = _ecdh(ephemeralPublicKey, privateKey);
+    final Uint8List derivedKey = _kdf(sharedKeyBytes, ephemeralKeyBytes);
+
+    final decryptedPayload = _decryptPayload(encData, derivedKey, tag);
+    final locationReport = _decodePayload(decryptedPayload, report);
+
+    return locationReport;
+  }
+
+  /// Decodes the unencrypted timestamp and confidence
+  static void _decodeTimeAndConfidence(Uint8List payloadData, FindMyReport report) {
+    final seenTimeStamp = payloadData.sublist(0, 4).buffer.asByteData()
+        .getInt32(0, Endian.big);
+    final timestamp = DateTime(2001).add(Duration(seconds: seenTimeStamp));
+    final confidence = payloadData.elementAt(4);
+    report.timestamp = timestamp;
+    report.confidence = confidence;
+  }
+
+  /// Performs an Elliptic Curve Diffie-Hellman with the given keys.
+  /// Returns the derived raw key data.
+  static Uint8List _ecdh(ECPublicKey ephemeralPublicKey, ECPrivateKey privateKey) {
+    final sharedKey = ephemeralPublicKey.Q! * privateKey.d;
+    final sharedKeyBytes = pc_utils.encodeBigIntAsUnsigned(
+        sharedKey!.x!.toBigInteger()!);
+    print("Isolate:${Isolate.current.hashCode}: Shared Key (shared secret): ${base64Encode(sharedKeyBytes)}");
+
+    return sharedKeyBytes;
+  }
+
+  /// Decodes the raw decrypted payload and constructs and returns
+  /// the resulting [FindMyLocationReport].
+  static FindMyLocationReport _decodePayload(
+      Uint8List payload, FindMyReport report) {
+
+    final latitude = payload.buffer.asByteData(0, 4).getUint32(0, Endian.big);
+    final longitude = payload.buffer.asByteData(4, 4).getUint32(0, Endian.big);
+    final accuracy = payload.buffer.asByteData(8, 1).getUint8(0);
+
+    final latitudeDec = latitude / 10000000.0;
+    final longitudeDec = longitude / 10000000.0;
+
+    return FindMyLocationReport(latitudeDec, longitudeDec, accuracy,
+        report.datePublished, report.timestamp, report.confidence);
+  }
+
+  /// Decrypts the given cipher text with the key data using an AES-GCM block cipher.
+  /// Returns the decrypted raw data.
+  static Uint8List _decryptPayload(
+      Uint8List cipherText, Uint8List symmetricKey, Uint8List tag) {
+    final decryptionKey = symmetricKey.sublist(0, 16);
+    final iv = symmetricKey.sublist(16, symmetricKey.length);
+
+    final aesGcm = GCMBlockCipher(AESEngine())
+      ..init(false, AEADParameters(KeyParameter(decryptionKey),
+          tag.lengthInBytes * 8, iv, tag));
+
+    final plainText = Uint8List(cipherText.length);
+    var offset = 0;
+    while (offset < cipherText.length) {
+      offset += aesGcm.processBlock(cipherText, offset, plainText, offset);
+    }
+
+    assert(offset == cipherText.length);
+    return plainText;
+  }
+
+  /// ANSI X.963 key derivation to calculate the actual (symmetric) advertisement
+  /// key and returns the raw key data.
+  static Uint8List _kdf(Uint8List secret, Uint8List ephemeralKey) {
+    var shaDigest = SHA256Digest();
+    shaDigest.update(secret, 0, secret.length);
+
+    var counter = 1;
+    var counterData = ByteData(4)..setUint32(0, counter);
+    var counterDataBytes = counterData.buffer.asUint8List();
+    shaDigest.update(counterDataBytes, 0, counterDataBytes.lengthInBytes);
+
+    shaDigest.update(ephemeralKey, 0, ephemeralKey.lengthInBytes);
+
+    Uint8List out = Uint8List(shaDigest.digestSize);
+    shaDigest.doFinal(out, 0);
+
+    print("Isolate:${Isolate.current.hashCode}: Derived key: ${base64Encode(out)}");
+    return out;
+  }
+}

openhaystack-mobile/lib/findMy/find_my_controller.dart

@@ -0,0 +1,146 @@
+import 'dart:collection';
+import 'dart:convert';
+import 'dart:isolate';
+import 'dart:typed_data';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:pointycastle/export.dart';
+import 'package:pointycastle/src/platform_check/platform_check.dart';
+import 'package:pointycastle/src/utils.dart' as pc_utils;
+import 'package:openhaystack_mobile/findMy/decrypt_reports.dart';
+import 'package:openhaystack_mobile/findMy/models.dart';
+import 'package:openhaystack_mobile/findMy/reports_fetcher.dart';
+
+class FindMyController {
+  static const _storage = FlutterSecureStorage();
+  static final ECCurve_secp224r1 _curveParams =  ECCurve_secp224r1();
+  static HashMap _keyCache = HashMap();
+
+  /// Starts a new [Isolate], fetches and decrypts all location reports
+  /// for the given [FindMyKeyPair].
+  /// Returns a list of [FindMyLocationReport]'s.
+  static Future<List<FindMyLocationReport>> computeResults(FindMyKeyPair keyPair) async{
+    await _loadPrivateKey(keyPair);
+    return compute(_getListedReportResults, keyPair);
+  }
+
+  /// Fetches and decrypts the location reports for the given
+  /// [FindMyKeyPair] from apples FindMy Network.
+  /// Returns a list of [FindMyLocationReport].
+  static Future<List<FindMyLocationReport>> _getListedReportResults(FindMyKeyPair keyPair) async{
+    List<FindMyLocationReport> results = <FindMyLocationReport>[];
+    final jsonResults = await ReportsFetcher.fetchLocationReports(keyPair.getHashedAdvertisementKey());
+    for (var result in jsonResults) {
+      results.add(await _decryptResult(result, keyPair, keyPair.privateKeyBase64!));
+    }
+    return results;
+  }
+
+  /// Loads the private key from the local cache or secure storage and adds it
+  /// to the given [FindMyKeyPair].
+  static Future<void> _loadPrivateKey(FindMyKeyPair keyPair) async {
+    String? privateKey;
+    if (!_keyCache.containsKey(keyPair.hashedPublicKey)) {
+      privateKey = await _storage.read(key: keyPair.hashedPublicKey);
+      final newKey = _keyCache.putIfAbsent(keyPair.hashedPublicKey, () => privateKey);
+      assert(newKey == privateKey);
+    } else {
+      privateKey = _keyCache[keyPair.hashedPublicKey];
+    }
+    keyPair.privateKeyBase64 = privateKey!;
+  }
+
+  /// Derives an [ECPublicKey] from a given [ECPrivateKey] on the given curve.
+  static ECPublicKey _derivePublicKey(ECPrivateKey privateKey) {
+    final pk = _curveParams.G * privateKey.d;
+    final publicKey = ECPublicKey(pk, _curveParams);
+    print("Isolate:${Isolate.current.hashCode}: Point Data: ${base64Encode(publicKey.Q!.getEncoded(false))}");
+
+    return publicKey;
+  }
+
+  /// Decrypts the encrypted reports with the given [FindMyKeyPair] and private key.
+  /// Returns the decrypted report as a [FindMyLocationReport].
+  static Future<FindMyLocationReport> _decryptResult(dynamic result, FindMyKeyPair keyPair, String privateKey) async {
+    assert (result["id"]! == keyPair.getHashedAdvertisementKey(),
+      "Returned FindMyReport hashed key != requested hashed key");
+
+    final unixTimestampInMillis =  result["datePublished"];
+    final datePublished = DateTime.fromMillisecondsSinceEpoch(unixTimestampInMillis); 
+    FindMyReport report = FindMyReport(
+        datePublished,
+        base64Decode(result["payload"]),
+        keyPair.getHashedAdvertisementKey(),
+        result["statusCode"]);
+
+    FindMyLocationReport decryptedReport = await DecryptReports
+        .decryptReport(report, base64Decode(privateKey));
+
+    return decryptedReport;
+  }
+
+  /// Returns the to the base64 encoded given hashed public key
+  /// corresponding [FindMyKeyPair] from the local [FlutterSecureStorage].
+  static Future<FindMyKeyPair> getKeyPair(String base64HashedPublicKey) async {
+    final privateKeyBase64 = await _storage.read(key: base64HashedPublicKey);
+
+    ECPrivateKey privateKey = ECPrivateKey(
+        pc_utils.decodeBigIntWithSign(1, base64Decode(privateKeyBase64!)), _curveParams);
+    ECPublicKey publicKey = _derivePublicKey(privateKey);
+
+    return FindMyKeyPair(publicKey, base64HashedPublicKey, privateKey, DateTime.now(), -1);
+  }
+
+  /// Imports a base64 encoded private key to the local [FlutterSecureStorage].
+  /// Returns a [FindMyKeyPair] containing the corresponding [ECPublicKey].
+  static Future<FindMyKeyPair> importKeyPair(String privateKeyBase64) async {
+    final privateKeyBytes = base64Decode(privateKeyBase64);
+    final ECPrivateKey privateKey = ECPrivateKey(
+        pc_utils.decodeBigIntWithSign(1, privateKeyBytes), _curveParams);
+    final ECPublicKey publicKey = _derivePublicKey(privateKey);
+    final hashedPublicKey = getHashedPublicKey(publicKey: publicKey);
+    final keyPair = FindMyKeyPair(
+        publicKey,
+        hashedPublicKey,
+        privateKey,
+        DateTime.now(),
+        -1);
+    
+    await _storage.write(key: hashedPublicKey, value: keyPair.getBase64PrivateKey());
+    
+    return keyPair;
+  }
+
+  /// Generates a [ECCurve_secp224r1] keypair.
+  /// Returns the newly generated keypair as a [FindMyKeyPair] object.
+  static Future<FindMyKeyPair> generateKeyPair() async {
+    final ecCurve = ECCurve_secp224r1();
+    final secureRandom = SecureRandom('Fortuna')
+      ..seed(KeyParameter(
+          Platform.instance.platformEntropySource().getBytes(32)));
+    ECKeyGenerator keyGen = ECKeyGenerator()
+      ..init(ParametersWithRandom(ECKeyGeneratorParameters(ecCurve), secureRandom));
+
+    final newKeyPair = keyGen.generateKeyPair();
+    final ECPublicKey publicKey = newKeyPair.publicKey as ECPublicKey;
+    final ECPrivateKey privateKey = newKeyPair.privateKey as ECPrivateKey;
+    final hashedKey = getHashedPublicKey(publicKey: publicKey);
+    final keyPair =  FindMyKeyPair(publicKey, hashedKey, privateKey, DateTime.now(), -1);
+    await _storage.write(key: hashedKey, value: keyPair.getBase64PrivateKey());
+
+    return keyPair;
+  }
+
+  /// Returns hashed, base64 encoded public key for given [publicKeyBytes]
+  /// or for an [ECPublicKey] object [publicKey], if [publicKeyBytes] equals null.
+  /// Returns the base64 encoded hashed public key as a [String].
+  static String getHashedPublicKey({Uint8List? publicKeyBytes, ECPublicKey? publicKey}) {
+    var pkBytes = publicKeyBytes ?? publicKey!.Q!.getEncoded(false);
+    final shaDigest = SHA256Digest();
+    shaDigest.update(pkBytes, 0, pkBytes.lengthInBytes);
+    Uint8List out = Uint8List(shaDigest.digestSize);
+    shaDigest.doFinal(out, 0);
+    return base64Encode(out);
+  }
+}

openhaystack-mobile/lib/findMy/models.dart

@@ -0,0 +1,84 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:pointycastle/ecc/api.dart';
+import 'package:pointycastle/src/utils.dart' as pc_utils;
+import 'package:openhaystack_mobile/findMy/find_my_controller.dart';
+
+/// Represents a decrypted FindMyReport.
+class FindMyLocationReport {
+  double latitude;
+  double longitude;
+  int accuracy;
+  DateTime published;
+  DateTime? timestamp;
+  int? confidence;
+
+  FindMyLocationReport(this.latitude, this.longitude, this.accuracy,
+      this.published, this.timestamp, this.confidence);
+
+  Location get location => Location(latitude, longitude);
+}
+
+class Location {
+  double latitude;
+  double longitude;
+
+  Location(this.latitude, this.longitude);
+}
+
+/// FindMy report returned by the FindMy Network
+class FindMyReport {
+  DateTime datePublished;
+  Uint8List payload;
+  String id;
+  int statusCode;
+
+  int? confidence;
+  DateTime? timestamp;
+
+  FindMyReport(this.datePublished, this.payload, this.id, this.statusCode);
+
+  FindMyReport.completeInit(this.datePublished, this.payload, this.id, this.statusCode,
+  this.confidence, this.timestamp);
+
+}
+
+class FindMyKeyPair {
+  final ECPublicKey _publicKey;
+  final ECPrivateKey _privateKey;
+  final String hashedPublicKey;
+  String? privateKeyBase64;
+
+  /// Time when this key was used to send BLE advertisements
+  DateTime startTime;
+  /// Duration from start time how long the key was used to send BLE advertisements
+  double duration;
+
+  FindMyKeyPair(this._publicKey, this.hashedPublicKey, this._privateKey, this.startTime,
+      this.duration);
+
+  String getBase64PublicKey() {
+    return base64Encode(_publicKey.Q!.getEncoded(false));
+  }
+  
+  String getBase64PrivateKey() {
+    return base64Encode(pc_utils.encodeBigIntAsUnsigned(_privateKey.d!));
+  }
+
+  String getBase64AdvertisementKey() {
+    return base64Encode(_getAdvertisementKey());
+  }
+
+  Uint8List _getAdvertisementKey() {
+    var pkBytes = _publicKey.Q!.getEncoded(true);
+    //Drop first byte to get the 28byte version
+    var key = pkBytes.sublist(1, pkBytes.length);
+    return key;
+  }
+
+  String getHashedAdvertisementKey() {
+    var key = _getAdvertisementKey();
+    return FindMyController.getHashedPublicKey(publicKeyBytes: key);
+  }
+}

openhaystack-mobile/lib/findMy/reports_fetcher.dart

@@ -0,0 +1,26 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+
+class ReportsFetcher {
+  static const _seemooEndpoint = "https://add-your-proxy-server-here/getLocationReports"
+
+  /// Fetches the location reports corresponding to the given hashed advertisement
+  /// key.
+  /// Throws [Exception] if no answer was received.
+  static Future<List> fetchLocationReports(String hashedAdvertisementKey) async {
+    final response = await http.post(Uri.parse(_seemooEndpoint),
+        headers: <String, String>{
+          "Content-Type": "application/json",
+        },
+        body: jsonEncode(<String, dynamic>{
+          "ids": [hashedAdvertisementKey],
+        }));
+
+    if (response.statusCode == 200) {
+      return await jsonDecode(response.body)["results"];
+    } else {
+      throw Exception("Failed to fetch location reports with statusCode:${response.statusCode}\n\n Response:\n${response}");
+    }
+  }
+}

openhaystack-mobile/lib/history/accessory_history.dart

@@ -0,0 +1,163 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_map/plugin_api.dart';
+import 'package:openhaystack_mobile/accessory/accessory_model.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:openhaystack_mobile/history/days_selection_slider.dart';
+import 'package:openhaystack_mobile/history/location_popup.dart';
+
+class AccessoryHistory extends StatefulWidget {
+  Accessory accessory;
+
+  /// Shows previous locations of a specific [accessory] on a map.
+  /// The locations are connected by a chronological line.
+  /// The number of days to go back can be adjusted with a slider.
+  AccessoryHistory({
+    Key? key,
+    required this.accessory,
+  }) : super(key: key);
+
+  @override
+  _AccessoryHistoryState createState() => _AccessoryHistoryState();
+}
+
+class _AccessoryHistoryState extends State<AccessoryHistory> {
+
+  final MapController _mapController = MapController();
+
+  bool showPopup = false;
+  Pair<LatLng, DateTime>? popupEntry;
+
+  double numberOfDays = 7;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _mapController.onReady
+      .then((_) {
+        var historicLocations = widget.accessory.locationHistory
+          .map((entry) => entry.a).toList();
+        var bounds = LatLngBounds.fromPoints(historicLocations);
+        _mapController.fitBounds(bounds);
+      });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // Filter for the locations after the specified cutoff date (now - number of days)
+    var now = DateTime.now();
+    List<Pair<LatLng, DateTime>> locationHistory = widget.accessory.locationHistory
+      .where(
+        (element) => element.b.isAfter(
+          now.subtract(Duration(days: numberOfDays.round())),
+        ),
+      ).toList();
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.accessory.name),
+      ),
+      body: SafeArea(
+        child: Column(
+          children: <Widget>[
+            Flexible(
+              flex: 3,
+              fit: FlexFit.tight,
+              child: FlutterMap(
+                mapController: _mapController,
+                options: MapOptions(
+                  center: LatLng(49.874739, 8.656280),
+                  zoom: 13.0,
+                  interactiveFlags:
+                    InteractiveFlag.pinchZoom | InteractiveFlag.drag |
+                    InteractiveFlag.doubleTapZoom | InteractiveFlag.flingAnimation |
+                    InteractiveFlag.pinchMove,
+                  onTap: (_, __) {
+                    setState(() {
+                      showPopup = false;
+                      popupEntry = null;
+                    });
+                  },
+                ),
+                layers: [
+                  TileLayerOptions(
+                    backgroundColor: Theme.of(context).colorScheme.surface,
+                    tileBuilder: (context, child, tile) {
+                      var isDark = (Theme.of(context).brightness == Brightness.dark);
+                      return isDark ? ColorFiltered(
+                        colorFilter: const ColorFilter.matrix([
+                          -1, 0, 0, 0, 255,
+                          0, -1, 0, 0, 255,
+                          0, 0, -1, 0, 255,
+                          0, 0, 0, 1, 0,
+                        ]),
+                        child: child,
+                      ) : child;
+                    },
+                    urlTemplate: "https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
+                    subdomains: ['a', 'b', 'c'],
+                    attributionBuilder: (_) {
+                      return const Text("© OpenStreetMap contributors");
+                    },
+                  ),
+                  // The line connecting the locations chronologically
+                  PolylineLayerOptions(
+                    polylines: [
+                      Polyline(
+                        points: locationHistory.map((entry) => entry.a).toList(),
+                        strokeWidth: 4,
+                        color: Theme.of(context).colorScheme.primaryVariant,
+                      ),
+                    ],
+                  ),
+                  // The markers for the historic locaitons
+                  MarkerLayerOptions(
+                    markers: locationHistory.map((entry) => Marker(
+                      point: entry.a,
+                      builder: (ctx) => GestureDetector(
+                        onTap: () {
+                          setState(() {
+                            showPopup = true;
+                            popupEntry = entry;
+                          });
+                        },
+                        child: Icon(
+                          Icons.circle,
+                          size: 15,
+                          color: entry == popupEntry
+                            ? Colors.red
+                            : Theme.of(context).indicatorColor,
+                        ),
+                      ),
+                    )).toList(),
+                  ),
+                  // Displays the tooltip if active
+                  MarkerLayerOptions(
+                    markers: [
+                      if (showPopup) LocationPopup(
+                        location: popupEntry!.a,
+                        time: popupEntry!.b,
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+            ),
+            Flexible(
+              flex: 1,
+              fit: FlexFit.tight,
+              child: DaysSelectionSlider(
+                numberOfDays: numberOfDays,
+                onChanged: (double newValue) {
+                  setState(() {
+                    numberOfDays = newValue;
+                  });
+                },
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/history/days_selection_slider.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+class DaysSelectionSlider extends StatefulWidget {
+
+  /// The number of days currently selected.
+  double numberOfDays;
+  /// A callback listening for value changes.
+  ValueChanged<double> onChanged;
+
+  /// Display a slider that allows to define how many days to go back
+  /// (range 1 to 7).
+  DaysSelectionSlider({
+    Key? key,
+    required this.numberOfDays,
+    required this.onChanged,
+  }) : super(key: key);
+
+  @override
+  _DaysSelectionSliderState createState() => _DaysSelectionSliderState();
+}
+
+class _DaysSelectionSliderState extends State<DaysSelectionSlider> {
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(12.0),
+      child: Column(
+        children: [
+          const Center(
+            child: Text(
+              'How many days back?',
+              style: TextStyle(fontSize: 20),
+            ),
+          ),
+          Row(
+            children: [
+              const Text('1', style: TextStyle(fontWeight: FontWeight.bold)),
+              Expanded(
+                child: Slider(
+                  value: widget.numberOfDays,
+                  min: 1,
+                  max: 7,
+                  label: '${widget.numberOfDays.round()}',
+                  divisions: 6,
+                  onChanged: widget.onChanged,
+                ),
+              ),
+              const Text('7', style: TextStyle(fontWeight: FontWeight.bold)),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+}

openhaystack-mobile/lib/history/location_popup.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_map/plugin_api.dart';
+import 'package:latlong2/latlong.dart';
+
+class LocationPopup extends Marker {
+  /// The location to display.
+  LatLng location;
+  /// The time stamp the location was recorded.
+  DateTime time;
+
+  /// Displays a small popup window with the coordinates at [location] and
+  /// the [time] in a human readable format.
+  LocationPopup({
+    Key? key,
+    required this.location,
+    required this.time,
+  }) : super(
+    key: key,
+    width: 200,
+    height: 150,
+    point: location,
+    builder: (ctx) => Padding(
+      padding: const EdgeInsets.only(bottom: 80),
+      child: InkWell(
+        onTap: () { /* NOOP */ },
+        child: Card(
+          child: Padding(
+            padding: const EdgeInsets.all(12.0),
+            child: Column(
+              children: [
+                Text(
+                  time.toLocal().toString().substring(0, 19),
+                  style: const TextStyle(fontWeight: FontWeight.bold),
+                ),
+                Text(
+                  'Lat: ${location.round(decimals: 2).latitude}, '
+                  'Lng: ${location.round(decimals: 2).longitude}',
+                  style: const TextStyle(fontWeight: FontWeight.bold),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    ),
+    rotate: true,
+  );
+
+}

openhaystack-mobile/lib/item_management/accessory_color_input.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/accessory/accessory_color_selector.dart';
+
+class AccessoryColorInput extends StatelessWidget {
+  /// The inititial color value
+  Color color;
+  /// Callback called when the color is changed. Parameter is null
+  /// if color did not change
+  ValueChanged<Color?> changeListener;
+
+  /// Displays a color selection input that previews the current selection.
+  AccessoryColorInput({
+    Key? key,
+    required this.color,
+    required this.changeListener,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      title: Row(
+        children: [
+          const Text('Color: '),
+          Icon(
+            Icons.circle,
+            color: color,
+          ),
+          const Spacer(),
+          OutlinedButton(
+            child: const Text('Change'),
+            onPressed: () async {
+              Color? selectedColor = await AccessoryColorSelector
+                .showColorSelection(context, color);
+              changeListener(selectedColor);
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/item_management/accessory_icon_input.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import 'package:openhaystack_mobile/accessory/accessory_icon_selector.dart';
+
+class AccessoryIconInput extends StatelessWidget {
+  /// The initial icon
+  IconData initialIcon;
+  /// The original icon name
+  String iconString;
+  /// The color of the icon
+  Color color;
+  /// Callback called when the icon is changed. Parameter is null
+  /// if icon did not change
+  ValueChanged<String?> changeListener;
+
+  /// Displays an icon selection input that previews the current selection.
+  AccessoryIconInput({
+    Key? key,
+    required this.initialIcon,
+    required this.iconString,
+    required this.color,
+    required this.changeListener,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      title: Row(
+        children: [
+          const Text('Icon: '),
+          Icon(initialIcon),
+          const Spacer(),
+          OutlinedButton(
+            child: const Text('Change'),
+            onPressed: () async {
+              String? selectedIcon = await AccessoryIconSelector
+                .showIconSelection(context, iconString, color);
+              changeListener(selectedIcon);
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}

openhaystack-mobile/lib/item_management/accessory_id_input.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class AccessoryIdInput extends StatelessWidget {
+  ValueChanged<String?> changeListener;
+
+  /// Displays an input field with validation for an accessory ID.
+  AccessoryIdInput({
+    Key? key,
+    required this.changeListener,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 4.0),
+      child: TextFormField(
+        decoration: const InputDecoration(
+          labelText: 'ID',
+        ),
+        validator: (value) {
+          if (value == null) {
+            return 'ID must be provided.';
+          }
+          int? parsed = int.tryParse(value);
+          if (parsed == null) {
+            return 'ID must be an integer value.';
+          }
+          return null;
+        },
+        onSaved: changeListener,
+      ),
+    );
+  }
+}