diff --git a/android/app/build.gradle b/android/app/build.gradle
index 348262e..bbe3f74 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -23,6 +23,10 @@ if (flutterVersionName == null) {
     flutterVersionName = "1.0"
 }
 
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
 android {
     namespace = "org.rocstreaming.rocdroid"
     compileSdk = flutter.compileSdkVersion
@@ -33,6 +37,10 @@ android {
         targetCompatibility = JavaVersion.VERSION_1_8
     }
 
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
     defaultConfig {
         applicationId = "org.rocstreaming.rocdroid"
         // You can update the following values to match your application needs.
@@ -41,6 +49,7 @@ android {
         targetSdk = flutter.targetSdkVersion
         versionCode = flutterVersionCode.toInteger()
         versionName = flutterVersionName
+        minSdkVersion = 26
     }
 
     applicationVariants.all { variant ->
@@ -61,3 +70,16 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    implementation 'org.roc-streaming.roctoolkit:roc-android:0.2.1'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.3.0'
+    implementation 'androidx.activity:activity-ktx:1.2.4'
+    implementation 'androidx.fragment:fragment-ktx:1.3.6'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.viewpager2:viewpager2:1.0.0'
+    implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.25'
+}
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index cad64e5..c792549 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,4 +1,13 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.rocstreaming.rocdroid"
+    android:versionCode="2002"
+    android:versionName="0.2.2">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+
     <application
         android:label="Roc Droid"
         android:name="${applicationName}"
diff --git a/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.g.kt b/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.g.kt
new file mode 100644
index 0000000..de83979
--- /dev/null
+++ b/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.g.kt
@@ -0,0 +1,176 @@
+// Autogenerated from Pigeon (v21.1.0), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+@file:Suppress("UNCHECKED_CAST", "ArrayInDataClass")
+
+
+import android.util.Log
+import io.flutter.plugin.common.BasicMessageChannel
+import io.flutter.plugin.common.BinaryMessenger
+import io.flutter.plugin.common.MessageCodec
+import io.flutter.plugin.common.StandardMessageCodec
+import java.io.ByteArrayOutputStream
+import java.nio.ByteBuffer
+
+private fun wrapResult(result: Any?): List<Any?> {
+  return listOf(result)
+}
+
+private fun wrapError(exception: Throwable): List<Any?> {
+  return if (exception is FlutterError) {
+    listOf(
+      exception.code,
+      exception.message,
+      exception.details
+    )
+  } else {
+    listOf(
+      exception.javaClass.simpleName,
+      exception.toString(),
+      "Cause: " + exception.cause + ", Stacktrace: " + Log.getStackTraceString(exception)
+    )
+  }
+}
+
+/**
+ * Error class for passing custom error details to Flutter via a thrown PlatformException.
+ * @property code The error code.
+ * @property message The error message.
+ * @property details The error details. Must be a datatype supported by the api codec.
+ */
+class FlutterError (
+  val code: String,
+  override val message: String? = null,
+  val details: Any? = null
+) : Throwable()
+private object ConnectorPigeonCodec : StandardMessageCodec() {
+  override fun readValueOfType(type: Byte, buffer: ByteBuffer): Any? {
+    return     super.readValueOfType(type, buffer)
+  }
+  override fun writeValue(stream: ByteArrayOutputStream, value: Any?)   {
+    super.writeValue(stream, value)
+  }
+}
+
+/**
+ * ???.
+ *
+ * Generated interface from Pigeon that represents a handler of messages from Flutter.
+ */
+interface Backend {
+  fun startReceiver()
+  fun stopReceiver()
+  fun isReceiverAlive(): Boolean
+  fun startSender(ip: String)
+  fun stopSender()
+  fun isSenderAlive(): Boolean
+
+  companion object {
+    /** The codec used by Backend. */
+    val codec: MessageCodec<Any?> by lazy {
+      ConnectorPigeonCodec
+    }
+    /** Sets up an instance of `Backend` to handle messages through the `binaryMessenger`. */
+    @JvmOverloads
+    fun setUp(binaryMessenger: BinaryMessenger, api: Backend?, messageChannelSuffix: String = "") {
+      val separatedMessageChannelSuffix = if (messageChannelSuffix.isNotEmpty()) ".$messageChannelSuffix" else ""
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.startReceiver$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { _, reply ->
+            val wrapped: List<Any?> = try {
+              api.startReceiver()
+              listOf(null)
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.stopReceiver$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { _, reply ->
+            val wrapped: List<Any?> = try {
+              api.stopReceiver()
+              listOf(null)
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.isReceiverAlive$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { _, reply ->
+            val wrapped: List<Any?> = try {
+              listOf(api.isReceiverAlive())
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.startSender$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { message, reply ->
+            val args = message as List<Any?>
+            val ipArg = args[0] as String
+            val wrapped: List<Any?> = try {
+              api.startSender(ipArg)
+              listOf(null)
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.stopSender$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { _, reply ->
+            val wrapped: List<Any?> = try {
+              api.stopSender()
+              listOf(null)
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+      run {
+        val channel = BasicMessageChannel<Any?>(binaryMessenger, "dev.flutter.pigeon.roc_droid_package.Backend.isSenderAlive$separatedMessageChannelSuffix", codec)
+        if (api != null) {
+          channel.setMessageHandler { _, reply ->
+            val wrapped: List<Any?> = try {
+              listOf(api.isSenderAlive())
+            } catch (exception: Throwable) {
+              wrapError(exception)
+            }
+            reply.reply(wrapped)
+          }
+        } else {
+          channel.setMessageHandler(null)
+        }
+      }
+    }
+  }
+
+  fun getHostLanguage(): String
+}
diff --git a/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.kt b/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.kt
new file mode 100644
index 0000000..4db8727
--- /dev/null
+++ b/android/app/src/main/kotlin/org/rocstreaming/connector/Connector.kt
@@ -0,0 +1,36 @@
+package org.rocstreaming.connector
+
+import Backend
+import org.rocstreaming.service.SenderReceiverService
+
+private class Connector : Backend {
+  override fun getHostLanguage(): String {
+    return "Kotlin"
+  }
+
+  private var senderReceiverService: SenderReceiverService = SenderReceiverService()
+
+  override fun startReceiver() {
+    senderReceiverService.startReceiver()
+  }
+
+  override fun stopReceiver() {
+    senderReceiverService.stopReceiver()
+  }
+
+  override fun isReceiverAlive(): Boolean {
+    return senderReceiverService.isReceiverAlive()
+  }
+
+  override fun startSender(ip: String) {
+    senderReceiverService.startSender(ip, null)
+  }
+
+  override fun stopSender() {
+    senderReceiverService.stopSender()
+  }
+
+  override fun isSenderAlive(): Boolean {
+    return senderReceiverService.isSenderAlive()
+  }
+}
\ No newline at end of file
diff --git a/android/app/src/main/kotlin/org/rocstreaming/rocdroid/MainActivity.kt b/android/app/src/main/kotlin/org/rocstreaming/rocdroid/MainActivity.kt
index 5be9115..5ed1fe4 100644
--- a/android/app/src/main/kotlin/org/rocstreaming/rocdroid/MainActivity.kt
+++ b/android/app/src/main/kotlin/org/rocstreaming/rocdroid/MainActivity.kt
@@ -1,5 +1,10 @@
 package org.rocstreaming.rocdroid
 
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.embedding.engine.plugins.FlutterPlugin
 
-class MainActivity: FlutterActivity()
+class MainActivity: FlutterActivity(){
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+}}
diff --git a/_temp_storage/app/src/main/java/org/rocstreaming/rocdroid/SenderReceiverService.kt b/android/app/src/main/kotlin/org/rocstreaming/service/SenderReceiverService.kt
similarity index 99%
rename from _temp_storage/app/src/main/java/org/rocstreaming/rocdroid/SenderReceiverService.kt
rename to android/app/src/main/kotlin/org/rocstreaming/service/SenderReceiverService.kt
index 2f5be92..b8ffec8 100644
--- a/_temp_storage/app/src/main/java/org/rocstreaming/rocdroid/SenderReceiverService.kt
+++ b/android/app/src/main/kotlin/org/rocstreaming/service/SenderReceiverService.kt
@@ -1,4 +1,4 @@
-package org.rocstreaming.rocdroid
+package org.rocstreaming.service
 
 import android.app.Notification
 import android.app.NotificationChannel
@@ -23,6 +23,8 @@ import android.os.IBinder
 import android.util.Log
 import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AlertDialog
+import org.rocstreaming.rocdroid.MainActivity
+import org.rocstreaming.rocdroid.R
 import org.rocstreaming.roctoolkit.ChannelSet
 import org.rocstreaming.roctoolkit.ClockSource
 import org.rocstreaming.roctoolkit.Endpoint
diff --git a/android/app/src/main/res/drawable-hdpi/ic_notification.png b/android/app/src/main/res/drawable-hdpi/ic_notification.png
new file mode 100644
index 0000000..a0c06dc
Binary files /dev/null and b/android/app/src/main/res/drawable-hdpi/ic_notification.png differ
diff --git a/android/app/src/main/res/drawable-mdpi/ic_notification.png b/android/app/src/main/res/drawable-mdpi/ic_notification.png
new file mode 100644
index 0000000..804fc8b
Binary files /dev/null and b/android/app/src/main/res/drawable-mdpi/ic_notification.png differ
diff --git a/android/app/src/main/res/drawable-night-xhdpi/ic_notification.png b/android/app/src/main/res/drawable-night-xhdpi/ic_notification.png
new file mode 100644
index 0000000..b92da3e
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xhdpi/ic_notification.png differ
diff --git a/android/app/src/main/res/drawable-night-xxhdpi/ic_notification.png b/android/app/src/main/res/drawable-night-xxhdpi/ic_notification.png
new file mode 100644
index 0000000..b48aa1b
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xxhdpi/ic_notification.png differ
diff --git a/android/app/src/main/res/drawable-night-xxxhdpi/ic_notification.png b/android/app/src/main/res/drawable-night-xxxhdpi/ic_notification.png
new file mode 100644
index 0000000..867045b
Binary files /dev/null and b/android/app/src/main/res/drawable-night-xxxhdpi/ic_notification.png differ
diff --git a/android/app/src/main/res/drawable/ic_stop.xml b/android/app/src/main/res/drawable/ic_stop.xml
new file mode 100644
index 0000000..d099f1a
--- /dev/null
+++ b/android/app/src/main/res/drawable/ic_stop.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,6h12v12H6z"/>
+</vector>
diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..63d4c2f
--- /dev/null
+++ b/android/app/src/main/res/values/strings.xml
@@ -0,0 +1,58 @@
+<resources>
+    <string name="app_name">Roc Droid</string>
+
+    <string name="receiver">Receiver</string>
+    <string name="start_receiver">Start receiver</string>
+    <string name="stop_receiver">Stop receiver</string>
+
+    <string name="sender">Sender</string>
+    <string name="receiver_ip">Receiver IP</string>
+    <string name="default_receiver_ip">192.168.0.1</string>
+    <string name="start_sender">Start sender</string>
+    <string name="stop_sender">Stop sender</string>
+    <string name="invalid_ip_title">Invalid IP address</string>
+    <string name="invalid_ip_message">The receiver IP address looks invalid.</string>
+    <string name="allow_mic_title">Mic permission</string>
+    <string name="allow_mic_message">The app needs permission to record audio from your phone mic.</string>
+    <string name="allow_mic_ok_message">Thanks! The sender will now start.</string>
+
+    <string name="ok">OK</string>
+
+    <string name="notification_channel_name">Sender and Receiver foreground service</string>
+    <string name="notification_receiver_running">Receiver running</string>
+    <string name="notification_sender_running">Sender running</string>
+    <string name="notification_sender_and_receiver_running">Sender and Receiver running</string>
+    <string name="notification_sender_and_receiver_not_running">Neither Sender or Receiver running</string>
+    <string name="notification_title">Roc State</string>
+    <string name="notification_stop_sender_action">Stop Sender</string>
+    <string name="notification_stop_receiver_action">Stop Receiver</string>
+
+    <string name="receiver_start_remote_sender">1. Start sender on the remote device</string>
+    <string name="receiver_use_IP">2. Use one of IP addresses of this device as the remote on the sender</string>
+    <string name="receiver_start_receiver">5. Start receiver on this device</string>
+
+    <string name="sender_start_remote_receiver">1. Start receiver on the remote device</string>
+    <string name="sender_put_IP_address">4. Put IP address of the remote receiver device below</string>
+    <string name="sender_choose_audio_source">5. Choose source to capture audio from</string>
+    <string name="sender_audio_source_current_apps">Currently playing apps</string>
+    <string name="sender_audio_source_microphone">Microphone</string>
+    <string name="sender_start_sender">6. Start sender on this device</string>
+    <string name="dialog_choose_audio_source">Source to capture audio from</string>
+
+    <string name="receiver_sender_port_for_source">%s. Use this port for source stream</string>
+    <string name="receiver_sender_port_for_repair">%s. Use this port for repair stream</string>
+    <string name="app_about">About</string>
+    <string name="about_source_code">Source Code</string>
+    <string name="about_bug_tracker">Bug Tracker</string>
+    <string name="about_contributors">Contributors</string>
+    <string name="app_license">Mozilla Public License 2.0</string>
+
+    <string name="url_repo">https://github.com/roc-streaming/roc-droid</string>
+    <string name="url_bugs">https://github.com/roc-streaming/roc-droid/issues</string>
+    <string name="url_contributors">https://github.com/roc-streaming/roc-droid/graphs/contributors</string>
+    <string name="uri_license">https://github.com/roc-streaming/roc-droid/blob/main/LICENSE</string>
+    <string name="app_logo">App Logo</string>
+    <string name="icon_copy">Copy</string>
+    <string name="open_dropdown_icon">Open dropdown</string>
+    <string name="quick_tile_receiver">Roc Droid receiver</string>
+</resources>
diff --git a/android/build.gradle b/android/build.gradle
index d2ffbff..9c6a893 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,6 +1,20 @@
+buildscript {
+    ext.kotlin_version = '1.7.21'
+
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.4.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
 allprojects {
     repositories {
         google()
+        jcenter()
         mavenCentral()
     }
 }
@@ -13,6 +27,14 @@ subprojects {
     project.evaluationDependsOn(":app")
 }
 
+subprojects {
+    beforeEvaluate { project ->
+        if (project.name == "flutter_localization") {
+            project.buildscript.dependencies.classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}"
+        }
+    }
+}
+
 tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/android/gradle.properties b/android/gradle.properties
index 3b5b324..958b7f2 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,3 +1,4 @@
 org.gradle.jvmargs=-Xmx4G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
+minSdkVersion=26
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index e1ca574..5af0f53 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-all.zip
diff --git a/dodo.py b/dodo.py
index e20fe16..a6bf591 100644
--- a/dodo.py
+++ b/dodo.py
@@ -56,20 +56,37 @@ def task_wipe():
 
 # doit gen
 def task_gen():
-    """run flutter build_runner code generation"""
+    """run all flutter code generation"""
+    return {
+        'actions': [get_action(task_gen_model()),
+                    get_action(task_gen_agent())],
+        'title': title_with_actions,
+    }
+
+# doit gen_model
+def task_gen_model():
+    """run flutter build_runner Model code generation"""
     return {
         'actions': ['dart run build_runner build --delete-conflicting-outputs'],
         'title': title_with_actions,
     }
 
-# doit gen_watch
-def task_gen_watch():
-    """run flutter build_runner code watch generation"""
+# doit gen_model_watch
+def task_gen_model_watch():
+    """run flutter build_runner Moddel code watch generation"""
     return {
         'actions': [LongRunning('dart run build_runner watch --delete-conflicting-outputs')],
         'title': title_with_actions,
     }
 
+# doit gen_agent
+def task_gen_agent():
+    """run flutter pigeon Agent code generation"""
+    return {
+        'actions': ['dart run pigeon --input lib/src/agent/ibackend.dart'],
+        'title': title_with_actions,
+    }
+
 # doit icons
 def task_icons():
     """run flutter icons generation (flutter_launcher_icons)"""
@@ -85,3 +102,12 @@ def task_splash():
         'actions': ['dart run flutter_native_splash:create '],
         'title': title_with_actions,
     }
+
+# Get first doit method 'actions' value
+def get_action(dic):
+  
+    for key, value in dic.items():
+        if key == 'actions':
+            return value[0]
+
+    return "action doesn't exist"
diff --git a/lib/main.dart b/lib/main.dart
index 0bd0150..5e535a4 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -5,5 +5,6 @@ import 'src/model.dart';
 import 'src/ui.dart';
 
 void main() {
+  WidgetsFlutterBinding.ensureInitialized();
   runApp(AppRoot(ModelRoot()));
 }
diff --git a/lib/src/agent.dart b/lib/src/agent.dart
index d122d0e..c136d93 100644
--- a/lib/src/agent.dart
+++ b/lib/src/agent.dart
@@ -1,3 +1,2 @@
 /// Agent export definition.
-export 'agent/android_service.dart';
-export 'agent/desktop_service.dart';
+export 'agent/backend.dart';
diff --git a/lib/src/agent/android_backend.dart b/lib/src/agent/android_backend.dart
new file mode 100644
index 0000000..2c05764
--- /dev/null
+++ b/lib/src/agent/android_backend.dart
@@ -0,0 +1,36 @@
+import 'backend.g.dart';
+
+/// ???.
+class AndroidBackend implements Backend {
+  final Backend _backend = Backend();
+
+  @override
+  Future<bool> isReceiverAlive() async {
+    return await _backend.isReceiverAlive();
+  }
+
+  @override
+  Future<bool> isSenderAlive() async {
+    return await _backend.isSenderAlive();
+  }
+
+  @override
+  Future<void> startReceiver() async {
+    await _backend.startReceiver();
+  }
+
+  @override
+  Future<void> startSender(String ip) async {
+    await _backend.startSender(ip);
+  }
+
+  @override
+  Future<void> stopReceiver() async {
+    await _backend.stopReceiver();
+  }
+
+  @override
+  Future<void> stopSender() async {
+    await _backend.stopSender();
+  }
+}
diff --git a/lib/src/agent/android_service.dart b/lib/src/agent/android_service.dart
deleted file mode 100644
index c44f192..0000000
--- a/lib/src/agent/android_service.dart
+++ /dev/null
@@ -1,4 +0,0 @@
-/// Implementation of the Agent Android service class.
-class AndroidService {
-  // TODO - implement this class
-}
diff --git a/lib/src/agent/backend.dart b/lib/src/agent/backend.dart
new file mode 100644
index 0000000..3d60882
--- /dev/null
+++ b/lib/src/agent/backend.dart
@@ -0,0 +1,32 @@
+import 'package:pigeon/pigeon.dart';
+
+@ConfigurePigeon(PigeonOptions(
+  dartOut: 'lib/src/agent/backend.g.dart',
+  dartOptions: DartOptions(),
+  kotlinOut:
+      'android/app/src/main/kotlin/org/rocstreaming/connector/Connector.g.kt',
+  kotlinOptions: KotlinOptions(),
+  dartPackageName: 'roc_droid_package',
+))
+
+/// ???.
+@HostApi()
+abstract class Backend {
+  void startReceiver();
+
+  void stopReceiver();
+
+  bool isReceiverAlive();
+
+  void startSender(String ip);
+
+  void stopSender();
+
+  bool isSenderAlive();
+}
+
+// /// ???.
+// @FlutterApi()
+// abstract class FlutterHandler {
+//   void textChanged(String text);
+// }
diff --git a/lib/src/agent/backend.g.dart b/lib/src/agent/backend.g.dart
new file mode 100644
index 0000000..e6a8f14
--- /dev/null
+++ b/lib/src/agent/backend.g.dart
@@ -0,0 +1,190 @@
+// Autogenerated from Pigeon (v21.1.0), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+// ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name, unnecessary_import, no_leading_underscores_for_local_identifiers
+
+import 'dart:async';
+import 'dart:typed_data' show Float64List, Int32List, Int64List, Uint8List;
+
+import 'package:flutter/foundation.dart' show ReadBuffer, WriteBuffer;
+import 'package:flutter/services.dart';
+
+PlatformException _createConnectionError(String channelName) {
+  return PlatformException(
+    code: 'channel-error',
+    message: 'Unable to establish connection on channel: "$channelName".',
+  );
+}
+
+class _PigeonCodec extends StandardMessageCodec {
+  const _PigeonCodec();
+}
+
+/// ???.
+class Backend {
+  /// Constructor for [Backend].  The [binaryMessenger] named argument is
+  /// available for dependency injection.  If it is left null, the default
+  /// BinaryMessenger will be used which routes to the host platform.
+  Backend({BinaryMessenger? binaryMessenger, String messageChannelSuffix = ''})
+      : __pigeon_binaryMessenger = binaryMessenger,
+        __pigeon_messageChannelSuffix =
+            messageChannelSuffix.isNotEmpty ? '.$messageChannelSuffix' : '';
+  final BinaryMessenger? __pigeon_binaryMessenger;
+
+  static const MessageCodec<Object?> pigeonChannelCodec = _PigeonCodec();
+
+  final String __pigeon_messageChannelSuffix;
+
+  Future<void> startReceiver() async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.startReceiver$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(null) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<void> stopReceiver() async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.stopReceiver$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(null) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<bool> isReceiverAlive() async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.isReceiverAlive$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(null) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else if (__pigeon_replyList[0] == null) {
+      throw PlatformException(
+        code: 'null-error',
+        message: 'Host platform returned null value for non-null return value.',
+      );
+    } else {
+      return (__pigeon_replyList[0] as bool?)!;
+    }
+  }
+
+  Future<void> startSender(String ip) async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.startSender$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(<Object?>[ip]) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<void> stopSender() async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.stopSender$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(null) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<bool> isSenderAlive() async {
+    final String __pigeon_channelName =
+        'dev.flutter.pigeon.roc_droid_package.Backend.isSenderAlive$__pigeon_messageChannelSuffix';
+    final BasicMessageChannel<Object?> __pigeon_channel =
+        BasicMessageChannel<Object?>(
+      __pigeon_channelName,
+      pigeonChannelCodec,
+      binaryMessenger: __pigeon_binaryMessenger,
+    );
+    final List<Object?>? __pigeon_replyList =
+        await __pigeon_channel.send(null) as List<Object?>?;
+    if (__pigeon_replyList == null) {
+      throw _createConnectionError(__pigeon_channelName);
+    } else if (__pigeon_replyList.length > 1) {
+      throw PlatformException(
+        code: __pigeon_replyList[0]! as String,
+        message: __pigeon_replyList[1] as String?,
+        details: __pigeon_replyList[2],
+      );
+    } else if (__pigeon_replyList[0] == null) {
+      throw PlatformException(
+        code: 'null-error',
+        message: 'Host platform returned null value for non-null return value.',
+      );
+    } else {
+      return (__pigeon_replyList[0] as bool?)!;
+    }
+  }
+}
diff --git a/lib/src/agent/desktop_service.dart b/lib/src/agent/desktop_service.dart
deleted file mode 100644
index 5998656..0000000
--- a/lib/src/agent/desktop_service.dart
+++ /dev/null
@@ -1,4 +0,0 @@
-/// Implementation of the Agent Desktop service class.
-class DesktopService {
-  // TODO - implement this class
-}
diff --git a/lib/src/model/model_root.dart b/lib/src/model/model_root.dart
index 4a95ad6..40aadef 100644
--- a/lib/src/model/model_root.dart
+++ b/lib/src/model/model_root.dart
@@ -1,5 +1,7 @@
 import 'package:logger/logger.dart';
 
+import '../agent/android_backend.dart';
+import '../agent/backend.g.dart';
 import 'receiver.dart';
 import 'sender.dart';
 
@@ -11,8 +13,12 @@ class ModelRoot {
 
   ModelRoot() {
     var mainLogger = Logger();
-    receiver = Receiver(mainLogger);
-    sender = Sender(mainLogger);
+    // Temporary assignment of Android backend.
+    // In the future we will probably need some mechanism
+    // to decide which type of backend to assign.
+    Backend backend = AndroidBackend();
+    receiver = Receiver(mainLogger, backend);
+    sender = Sender(mainLogger, backend);
     logger = mainLogger;
   }
 }
diff --git a/lib/src/model/receiver.dart b/lib/src/model/receiver.dart
index 71f6fbb..d6e6f5d 100644
--- a/lib/src/model/receiver.dart
+++ b/lib/src/model/receiver.dart
@@ -3,6 +3,8 @@ import 'dart:collection';
 import 'package:logger/logger.dart';
 import 'package:mobx/mobx.dart';
 
+import '../agent/backend.g.dart';
+
 part 'receiver.g.dart';
 
 /// Implementation of the Model Receiver class.
@@ -10,6 +12,7 @@ class Receiver = _Receiver with _$Receiver;
 
 abstract class _Receiver with Store {
   final Logger _logger;
+  final Backend _backend;
 
   // Determines whether the receiver is running or not
   @observable
@@ -40,7 +43,9 @@ abstract class _Receiver with Store {
   @computed
   int get repairPort => _repairPort;
 
-  _Receiver(Logger logger) : _logger = logger;
+  _Receiver(Logger logger, Backend backend)
+      : _logger = logger,
+        _backend = backend;
 
   // Start current receiver.
   @action
@@ -49,6 +54,9 @@ abstract class _Receiver with Store {
       return;
     }
 
+    // Main backend call
+    _backend.startReceiver();
+
     _isStarted = !_isStarted;
     _logger.i('Receiver started');
   }
@@ -60,6 +68,9 @@ abstract class _Receiver with Store {
       return;
     }
 
+    // Main backend call
+    _backend.stopReceiver();
+
     _isStarted = !_isStarted;
     _logger.i('Receiver stopped');
   }
diff --git a/lib/src/model/sender.dart b/lib/src/model/sender.dart
index 97b3aee..8994a95 100644
--- a/lib/src/model/sender.dart
+++ b/lib/src/model/sender.dart
@@ -1,6 +1,7 @@
 import 'package:logger/logger.dart';
 import 'package:mobx/mobx.dart';
 
+import '../agent/backend.g.dart';
 import 'capture_source_type.dart';
 
 part 'sender.g.dart';
@@ -10,6 +11,7 @@ class Sender = _Sender with _$Sender;
 
 abstract class _Sender with Store {
   final Logger _logger;
+  final Backend _backend;
 
   // Determines whether the sender is running or not
   @observable
@@ -47,7 +49,9 @@ abstract class _Sender with Store {
   @computed
   CaptureSourceType get captureSource => _captureSource;
 
-  _Sender(Logger logger) : _logger = logger;
+  _Sender(Logger logger, Backend backend)
+      : _logger = logger,
+        _backend = backend;
 
   // Start current sender.
   @action
@@ -56,6 +60,9 @@ abstract class _Sender with Store {
       return;
     }
 
+    // Main backend call
+    _backend.startSender(receiverIP);
+
     _isStarted = !_isStarted;
     _logger.i('Sender started');
   }
@@ -67,6 +74,9 @@ abstract class _Sender with Store {
       return;
     }
 
+    // Main backend call
+    _backend.stopSender();
+
     _isStarted = !_isStarted;
     _logger.i('Sender stopped');
   }
diff --git a/pubspec.lock b/pubspec.lock
index 0192f60..a9a289c 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,26 +5,31 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      sha256: "0b2f2bd91ba804e53a61d757b986f89f1f9eaed5b11e4b2f5a2468d86d6c9fc7"
+      sha256: f256b0c0ba6c7577c15e2e4e114755640a875e885099367bf6e012b19314c834
       url: "https://pub.dev"
     source: hosted
-    version: "67.0.0"
+    version: "72.0.0"
+  _macros:
+    dependency: transitive
+    description: dart
+    source: sdk
+    version: "0.3.2"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      sha256: "37577842a27e4338429a1cbc32679d508836510b056f1eedf0c8d20e39c1383d"
+      sha256: b652861553cd3990d8ed361f7979dc6d7053a9ac8843fa73820ab68ce5410139
       url: "https://pub.dev"
     source: hosted
-    version: "6.4.1"
+    version: "6.7.0"
   ansicolor:
     dependency: transitive
     description:
       name: ansicolor
-      sha256: "8bf17a8ff6ea17499e40a2d2542c2f481cd7615760c6d34065cb22bfd22e6880"
+      sha256: "50e982d500bc863e1d703448afdbf9e5a72eb48840a4f766fa361ffd6877055f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   archive:
     dependency: transitive
     description:
@@ -93,18 +98,18 @@ packages:
     dependency: "direct dev"
     description:
       name: build_runner
-      sha256: "644dc98a0f179b872f612d3eb627924b578897c629788e858157fa5e704ca0c7"
+      sha256: dd09dd4e2b078992f42aac7f1a622f01882a8492fef08486b27ddde929c19f04
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.11"
+    version: "2.4.12"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
-      sha256: e3c79f69a64bdfcd8a776a3c28db4eb6e3fb5356d013ae5eb2e52007706d5dbe
+      sha256: f8126682b87a7282a339b871298cc12009cb67109cfa1614d6436fb0289193e0
       url: "https://pub.dev"
     source: hosted
-    version: "7.3.1"
+    version: "7.3.2"
   built_collection:
     dependency: transitive
     description:
@@ -181,18 +186,18 @@ packages:
     dependency: transitive
     description:
       name: coverage
-      sha256: "3945034e86ea203af7a056d98e98e42a5518fff200d6e8e6647e1886b07e936e"
+      sha256: c1fb2dce3c0085f39dc72668e85f8e0210ec7de05345821ff58530567df345a5
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      sha256: ec30d999af904f33454ba22ed9a86162b35e52b44ac4807d1d93c288041d7d27
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.5"
   csslib:
     dependency: transitive
     description:
@@ -213,10 +218,10 @@ packages:
     dependency: transitive
     description:
       name: dart_style
-      sha256: "99e066ce75c89d6b29903d788a7bb9369cf754f7b24bf70bf4b6d6d6b26853b9"
+      sha256: "7856d364b589d1f08986e140938578ed36ed948581fbc3bc9aef1805039ac5ab"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.6"
+    version: "2.3.7"
   fake_async:
     dependency: transitive
     description:
@@ -229,10 +234,10 @@ packages:
     dependency: transitive
     description:
       name: ffi
-      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      sha256: "16ed7b077ef01ad6170a3d0c57caa4a112a38d7a2ed5602e0aca9ca6f3d98da6"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.3"
   file:
     dependency: transitive
     description:
@@ -266,18 +271,18 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "9e8c3858111da373efc5aa341de011d9bd23e2c5c5e0c62bccf32438e192d7b1"
+      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "4.0.0"
   flutter_localization:
     dependency: "direct main"
     description:
       name: flutter_localization
-      sha256: faaeb1eba307473032e2c2af737f36ced61fc98735608410d0a6d9c231b50912
+      sha256: "9b3b8825146a3850297a0ec3686b326d618328dca4cd5178b764af9303a26379"
       url: "https://pub.dev"
     source: hosted
-    version: "0.2.0"
+    version: "0.2.2"
   flutter_localizations:
     dependency: transitive
     description: flutter
@@ -401,18 +406,18 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
+      sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.4"
+    version: "10.0.5"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
+      sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.5"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -425,10 +430,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "4.0.0"
   logger:
     dependency: "direct main"
     description:
@@ -445,6 +450,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
+  macros:
+    dependency: transitive
+    description:
+      name: macros
+      sha256: "0acaed5d6b7eab89f63350bccd82119e6c602df0f391260d0e32b5e23db79536"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.2-main.4"
   matcher:
     dependency: transitive
     description:
@@ -457,26 +470,26 @@ packages:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.0"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
+      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.15.0"
   mime:
     dependency: transitive
     description:
       name: mime
-      sha256: "2e123074287cc9fd6c09de8336dae606d1ddb88d9ac47358826db698c176a1f2"
+      sha256: "801fd0b26f14a4a58ccb09d5892c3fbdeff209594300a542492cf13fba9d247a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.5"
+    version: "1.0.6"
   mobx:
     dependency: "direct main"
     description:
@@ -557,6 +570,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.2"
+  pigeon:
+    dependency: "direct main"
+    description:
+      name: pigeon
+      sha256: f77c57c204c7174e3b95fa7b32a145b1b8ddb51e4619c642f3caf17d7e537275
+      url: "https://pub.dev"
+    source: hosted
+    version: "22.3.0"
   platform:
     dependency: transitive
     description:
@@ -609,58 +630,58 @@ packages:
     dependency: transitive
     description:
       name: shared_preferences
-      sha256: d3bbe5553a986e83980916ded2f0b435ef2e1893dfaa29d5a7a790d0eca12180
+      sha256: "746e5369a43170c25816cc472ee016d3a66bc13fcf430c0bc41ad7b4b2922051"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.3"
+    version: "2.3.2"
   shared_preferences_android:
     dependency: transitive
     description:
       name: shared_preferences_android
-      sha256: "93d0ec9dd902d85f326068e6a899487d1f65ffcd5798721a95330b26c8131577"
+      sha256: "480ba4345773f56acda9abf5f50bd966f581dac5d514e5fc4a18c62976bbba7e"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.3"
+    version: "2.3.2"
   shared_preferences_foundation:
     dependency: transitive
     description:
       name: shared_preferences_foundation
-      sha256: "0a8a893bf4fd1152f93fec03a415d11c27c74454d96e2318a7ac38dd18683ab7"
+      sha256: c4b35f6cb8f63c147312c054ce7c2254c8066745125264f0c88739c417fc9d9f
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.0"
+    version: "2.5.2"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
-      sha256: "9f2cbcf46d4270ea8be39fa156d86379077c8a5228d9dfdb1164ae0bb93f1faa"
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.2"
+    version: "2.4.1"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
       name: shared_preferences_platform_interface
-      sha256: "034650b71e73629ca08a0bd789fd1d83cc63c2d1e405946f7cef7bc37432f93a"
+      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.0"
+    version: "2.4.1"
   shared_preferences_web:
     dependency: transitive
     description:
       name: shared_preferences_web
-      sha256: "9aee1089b36bd2aafe06582b7d7817fd317ef05fc30e6ba14bff247d0933042a"
+      sha256: d2ca4132d3946fec2184261726b355836a82c33d7d5b67af32692aff18a4684e
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "2.4.2"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
-      sha256: "841ad54f3c8381c480d0c9b508b89a34036f512482c407e6df7a9c4aa2ef8f59"
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
       url: "https://pub.dev"
     source: hosted
-    version: "2.3.2"
+    version: "2.4.1"
   shelf:
     dependency: transitive
     description:
@@ -681,18 +702,18 @@ packages:
     dependency: transitive
     description:
       name: shelf_static
-      sha256: a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e
+      sha256: c87c3875f91262785dade62d135760c2c69cb217ac759485334c5857ad89f6e3
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.2"
+    version: "1.1.3"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      sha256: "073c147238594ecd0d193f3456a5fe91c4b0abbcc68bf5cd95b36c4e194ac611"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.4"
+    version: "2.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -710,10 +731,10 @@ packages:
     dependency: transitive
     description:
       name: source_map_stack_trace
-      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      sha256: c0713a43e323c3302c2abe2a1cc89aa057a387101ebd280371d6a6c9fa68516b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
   source_maps:
     dependency: transitive
     description:
@@ -774,26 +795,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: "7ee446762c2c50b3bd4ea96fe13ffac69919352bd3b4b17bac3f3465edc58073"
+      sha256: "7ee44229615f8f642b68120165ae4c2a75fe77ae2065b1e55ae4711f6cf0899e"
       url: "https://pub.dev"
     source: hosted
-    version: "1.25.2"
+    version: "1.25.7"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
+      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.0"
+    version: "0.7.2"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: "2bc4b4ecddd75309300d8096f781c0e3280ca1ef85beda558d33fcbedc2eead4"
+      sha256: "55ea5a652e38a1dfb32943a7973f3681a60f872f8c3a05a14664ad54ef9c6696"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.0"
+    version: "0.6.4"
   timing:
     dependency: transitive
     description:
@@ -830,10 +851,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
+      sha256: "5c5f338a667b4c644744b661f309fb8080bb94b18a7e91ef1dbd343bed00ed6d"
       url: "https://pub.dev"
     source: hosted
-    version: "14.2.1"
+    version: "14.2.5"
   watcher:
     dependency: transitive
     description:
@@ -846,18 +867,26 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      sha256: d43c1d6b787bf0afad444700ae7f4db8827f701bc61c255ac8d328c6f4d52062
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.1"
+    version: "1.0.0"
+  web_socket:
+    dependency: transitive
+    description:
+      name: web_socket
+      sha256: "3c12d96c0c9a4eec095246debcea7b86c0324f22df69893d538fcc6f1b8cce83"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.6"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      sha256: "58c6666b342a38816b2e7e50ed0f1e261959630becd4c879c4f26bfa14aa5a42"
+      sha256: "9f187088ed104edd8662ca07af4b124465893caf063ba29758f97af57e61da8f"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.5"
+    version: "3.0.1"
   webkit_inspection_protocol:
     dependency: transitive
     description:
@@ -891,5 +920,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.4.3 <4.0.0"
+  dart: ">=3.5.0-259.0.dev <4.0.0"
   flutter: ">=3.22.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 5677bde..84ecbfe 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  flutter_localization: ^0.2.0
+  flutter_localization: ^0.2.2
   intl: ^0.19.0
   logger: ^2.4.0
   mobx: ^2.3.3+2
@@ -17,11 +17,12 @@ dependencies:
   darq: ^2.0.0
   flutter_native_splash: ^2.4.1
   flutter_launcher_icons: ^0.13.1
+  pigeon: ^22.3.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^3.0.0
+  flutter_lints: ^4.0.0
   test: ^1.25.2
   build_runner: ^2.4.11
   mobx_codegen: ^2.6.1
diff --git a/test/model/receiver_test.dart b/test/model/receiver_test.dart
index 984f2e1..1988dde 100644
--- a/test/model/receiver_test.dart
+++ b/test/model/receiver_test.dart
@@ -1,10 +1,11 @@
 import 'package:logger/logger.dart';
+import 'package:roc_droid/src/agent/android_backend.dart';
 import 'package:roc_droid/src/model/receiver.dart';
 import 'package:test/test.dart';
 
 // Receiver class unit tests.
 void main() {
-  Receiver makeReceiver() => Receiver(Logger());
+  Receiver makeReceiver() => Receiver(Logger(), AndroidBackend());
 
   test('Check the receivers initial values and getters.', () {
     final receiver = makeReceiver();
diff --git a/test/model/sender_test.dart b/test/model/sender_test.dart
index 5a584aa..9d0fe9a 100644
--- a/test/model/sender_test.dart
+++ b/test/model/sender_test.dart
@@ -1,11 +1,12 @@
 import 'package:logger/logger.dart';
+import 'package:roc_droid/src/agent/android_backend.dart';
 import 'package:roc_droid/src/model/capture_source_type.dart';
 import 'package:roc_droid/src/model/sender.dart';
 import 'package:test/test.dart';
 
 // Receiver class unit tests.
 void main() {
-  Sender makeSender() => Sender(Logger());
+  Sender makeSender() => Sender(Logger(), AndroidBackend());
 
   test('Check the senders initial values and getters.', () {
     final sender = makeSender();