diff --git a/app/build.gradle b/app/build.gradle
index 3e72e09..27b27c1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,7 +6,7 @@ android {
     compileSdkVersion 29
     defaultConfig {
         applicationId "io.github.chronosx88.yggdrasil"
-        minSdkVersion 21
+        minSdkVersion 22
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4e5b87b..1080956 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -24,10 +24,8 @@
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>
-
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/ic_launcher-playstore.png b/app/src/main/ic_launcher-playstore.png
new file mode 100644
index 0000000..34cd542
Binary files /dev/null and b/app/src/main/ic_launcher-playstore.png differ
diff --git a/app/src/main/java/io/github/chronosx88/yggdrasil/MainActivity.kt b/app/src/main/java/io/github/chronosx88/yggdrasil/MainActivity.kt
index 49e3421..0e9a83e 100644
--- a/app/src/main/java/io/github/chronosx88/yggdrasil/MainActivity.kt
+++ b/app/src/main/java/io/github/chronosx88/yggdrasil/MainActivity.kt
@@ -1,51 +1,78 @@
 package io.github.chronosx88.yggdrasil
 
+import android.R.attr
 import android.app.Activity
+import android.app.PendingIntent
 import android.content.Intent
 import android.net.VpnService
 import android.os.Bundle
-import android.widget.Button
+import android.util.Log
+import android.widget.RadioGroup
+import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
 
 
 class MainActivity : AppCompatActivity() {
-    private var isYggStarted = false
+    companion object {
+        const val PARAM_PINTENT = "pendingIntent"
+        const val STATUS_START = 1
+        const val STATUS_FINISH = 0
+        const val IPv6: String = "IPv6"
+        private const val TAG="Yggdrasil"
+        private const val VPN_REQUEST_CODE = 0x0F
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        val connectRadioGroup = findViewById<RadioGroup>(R.id.connectRadioGroup)
+        connectRadioGroup.setOnCheckedChangeListener { group, checkedId ->
+            when (checkedId) {
+                R.id.disconnectButton -> stopVpn()
+                R.id.connectButton -> startVpn()
+                else -> { // Note the block
 
-        val connectButton = findViewById<Button>(R.id.connect_button)
-        connectButton.setOnClickListener {
-            if(!isYggStarted) {
-                // Prepare to establish a VPN connection.
-                // This method returns null if the VPN application is already prepared
-                // or if the user has previously consented to the VPN application.
-                // Otherwise, it returns an Intent to a system activity.
-                val vpnIntent = VpnService.prepare(this)
-                if (vpnIntent != null) startActivityForResult(
-                    vpnIntent,
-                    0x0F
-                )
-                else onActivityResult(0x0F, Activity.RESULT_OK, null)
-            } else {
-                // FIXME fix this shit, this code doesn't stop service for some reasons
-                val intent = Intent(this, YggdrasilTunService::class.java)
-                stopService(intent)
-                connectButton.text = "Connect"
-                isYggStarted = false
+                }
             }
         }
     }
 
+    fun stopVpn(){
+        Log.d(TAG,"Stop")
+        val intent = Intent(this, YggdrasilTunService::class.java)
+        intent.putExtra("COMMAND", "STOP")
+        startService(intent)
+    }
+
+    fun startVpn(){
+        Log.d(TAG,"Start")
+        val intent= VpnService.prepare(this)
+        if (intent!=null){
+            startActivityForResult(intent, VPN_REQUEST_CODE);
+        }else{
+            onActivityResult(VPN_REQUEST_CODE, Activity.RESULT_OK, null);
+        }
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
-        if (requestCode == 0x0F && resultCode == Activity.RESULT_OK) {
+        if (requestCode == VPN_REQUEST_CODE && resultCode== Activity.RESULT_OK){
             val intent = Intent(this, YggdrasilTunService::class.java)
+            val TASK_CODE = 100
+            var  pi = createPendingResult(TASK_CODE, intent, 0);
+            intent.putExtra("COMMAND", "START")
+            intent.putExtra(PARAM_PINTENT, pi)
             startService(intent)
-            val connectButton = findViewById<Button>(R.id.connect_button)
-            connectButton.text = "Disconnect"
-            isYggStarted = true
+        }
+        when (resultCode) {
+            STATUS_START -> print("service started")
+            STATUS_FINISH -> {
+                val result: String = data!!.getStringExtra(IPv6)
+                findViewById<TextView>(R.id.ip).setText(result)
+            }
+            else -> { // Note the block
+
+            }
         }
     }
 }
diff --git a/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt b/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
index 7f81082..73b9aac 100644
--- a/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
+++ b/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
@@ -1,9 +1,10 @@
 package io.github.chronosx88.yggdrasil
 
-import android.app.Service
+import android.app.PendingIntent
 import android.content.Intent
 import android.net.VpnService
 import android.os.ParcelFileDescriptor
+import android.system.OsConstants
 import com.google.gson.Gson
 import dummy.ConduitEndpoint
 import kotlinx.coroutines.GlobalScope
@@ -11,13 +12,9 @@ import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import mobile.Mobile
 import mobile.Yggdrasil
-import java.io.FileInputStream
-import java.io.FileOutputStream
-import java.io.InputStream
-import java.io.OutputStream
+import java.io.*
 import java.nio.ByteBuffer
 import kotlin.coroutines.CoroutineContext
-import kotlin.experimental.or
 
 
 class YggdrasilTunService : VpnService() {
@@ -26,7 +23,7 @@ class YggdrasilTunService : VpnService() {
     private val MAX_PACKET_SIZE = Short.MAX_VALUE.toInt()
 
     companion object {
-        private var isRunning: Boolean = false
+        private const val TAG = "Yggdrasil-service"
     }
     private var tunInterface: ParcelFileDescriptor? = null
     private lateinit var yggConduitEndpoint: ConduitEndpoint
@@ -36,17 +33,19 @@ class YggdrasilTunService : VpnService() {
     private lateinit var writeCoroutine: CoroutineContext
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        super.onStartCommand(intent, flags, startId)
-        return Service.START_STICKY
+        if (intent?.getStringExtra("COMMAND") == "STOP") {
+            stopVpn()
+        }
+        if (intent?.getStringExtra("COMMAND") == "START") {
+            val pi: PendingIntent = intent.getParcelableExtra(MainActivity.PARAM_PINTENT)
+            setupTunInterface(pi)
+        }
+
+        return super.onStartCommand(intent, flags, startId);
     }
 
-    override fun onCreate() {
-        super.onCreate()
-        isRunning = true
-        setupTunInterface()
-    }
-
-    private fun setupTunInterface() {
+    private fun setupTunInterface(pi: PendingIntent) {
+        pi.send(MainActivity.STATUS_START);
         val builder = Builder()
         val ygg = Yggdrasil()
         var configJson = Mobile.generateConfigJSON()
@@ -61,19 +60,20 @@ class YggdrasilTunService : VpnService() {
 
         tunInterface = builder
             .addAddress(address, 7)
-            .addRoute("10.0.0.0", 8)
-            .addRoute("172.16.0.0", 12)
-            .addRoute("192.168.0.0", 16)
-            .addRoute("0200::", 7)
+            .allowFamily(OsConstants.AF_INET)
             .setMtu(MAX_PACKET_SIZE)
             .establish()
 
         tunInputStream = FileInputStream(tunInterface!!.fileDescriptor)
         tunOutputStream = FileOutputStream(tunInterface!!.fileDescriptor)
         readCoroutine = GlobalScope.launch {
-            // FIXME it will throw exception (bad file descriptor) when coroutine will be canceled
+            var buffer = ByteArray(2048)
             while (true) {
-                readPacketsFromTun()
+                try{
+                    readPacketsFromTun(buffer)
+                } catch (e: IOException){
+                    e.printStackTrace()
+                }
             }
         }
         writeCoroutine = GlobalScope.launch {
@@ -81,6 +81,8 @@ class YggdrasilTunService : VpnService() {
                 writePacketsToTun()
             }
         }
+        val intent: Intent = Intent().putExtra(MainActivity.IPv6, address)
+        pi.send(this, MainActivity.STATUS_FINISH, intent)
     }
 
     private fun fixConfig(config: MutableMap<Any?, Any?>): MutableMap<Any?, Any?> {
@@ -117,34 +119,20 @@ class YggdrasilTunService : VpnService() {
         return config
     }
 
-    private fun readPacketsFromTun() {
+    private fun readPacketsFromTun(buffer: ByteArray) {
         if(tunInputStream != null) {
-            var packet: ByteArray = ByteArray(MAX_PACKET_SIZE)
             // Read the outgoing packet from the input stream.
-            var length = tunInputStream!!.read(packet)
-
-            //System.out.println("packet size:"+packet.size+" "+byteArrayToHex(packet))
-            //System.out.println("buffer size:"+buffer.array().size+" "+byteArrayToHex(buffer.array()))
+            var length = tunInputStream!!.read(buffer)
             if (length > 0) {
-                // Ignore control messages, which start with zero.
-                if (packet.get(0).compareTo(0)!=0) {
-                    var buffer = ByteBuffer.allocate(length);
-                    buffer.put(packet, 0, length)
-                    buffer.limit(length)
-                    yggConduitEndpoint.send(buffer.array())
-                }
+                var byteBuffer = ByteBuffer.allocate(length);
+                byteBuffer.put(buffer, 0, length)
+                yggConduitEndpoint.send(byteBuffer.array())
+            } else {
+                Thread.sleep(10)
             }
         }
     }
 
-    private fun isBufferEmpty(buffer: ByteArray): Boolean {
-        var sum: Byte = 0
-        for (i in buffer) {
-            sum.or(i)
-        }
-        return sum == 0.toByte()
-    }
-
     private fun writePacketsToTun() {
         if(tunOutputStream != null) {
             val buffer = yggConduitEndpoint.recv()
@@ -152,12 +140,16 @@ class YggdrasilTunService : VpnService() {
         }
     }
 
-    override fun onRevoke() {
-        super.onRevoke()
-        isRunning = false
+    fun stopVpn() {
         readCoroutine.cancel()
         writeCoroutine.cancel()
         tunInterface!!.close()
         tunInterface = null
+        stopSelf()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        stopSelf()
     }
 }
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
deleted file mode 100644
index 6348baa..0000000
--- a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:aapt="http://schemas.android.com/aapt"
-        android:width="108dp"
-        android:height="108dp"
-        android:viewportHeight="108"
-        android:viewportWidth="108">
-    <path
-            android:fillType="evenOdd"
-            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
-            android:strokeColor="#00000000"
-            android:strokeWidth="1">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                    android:endX="78.5885"
-                    android:endY="90.9159"
-                    android:startX="48.7653"
-                    android:startY="61.0927"
-                    android:type="linear">
-                <item
-                        android:color="#44000000"
-                        android:offset="0.0"/>
-                <item
-                        android:color="#00000000"
-                        android:offset="1.0"/>
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-            android:fillColor="#FFFFFF"
-            android:fillType="nonZero"
-            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
-            android:strokeColor="#00000000"
-            android:strokeWidth="1"/>
-</vector>
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
deleted file mode 100644
index a0ad202..0000000
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:height="108dp"
-        android:width="108dp"
-        android:viewportHeight="108"
-        android:viewportWidth="108">
-    <path android:fillColor="#008577"
-          android:pathData="M0,0h108v108h-108z"/>
-    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
-          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
-</vector>
diff --git a/app/src/main/res/drawable/out_line.xml b/app/src/main/res/drawable/out_line.xml
new file mode 100644
index 0000000..176be7e
--- /dev/null
+++ b/app/src/main/res/drawable/out_line.xml
@@ -0,0 +1,8 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+        android:shape="rectangle">
+    <corners android:radius="2dp" />
+    <solid android:color="#80000000" />
+    <stroke
+            android:width="1dp"
+            android:color="@color/green" />
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/toggle_widget_background.xml b/app/src/main/res/drawable/toggle_widget_background.xml
new file mode 100644
index 0000000..f1c7b08
--- /dev/null
+++ b/app/src/main/res/drawable/toggle_widget_background.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@color/dark_20" android:state_checked="true" />
+    <item android:drawable="@color/dark_10" android:state_pressed="true" />
+    <item android:drawable="@color/dark_5" />
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index f9ce62a..29d221a 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,18 +1,83 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<androidx.constraintlayout.widget.ConstraintLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:tools="http://schemas.android.com/tools"
         xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        tools:context=".MainActivity" android:orientation="vertical"
-        android:gravity="center">
+        android:background="@color/grey"
+        tools:context=".MainActivity">
+    <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_constraintBottom_toTopOf="@+id/connectRadioGroup"
+            app:layout_constraintTop_toTopOf="parent"
+            android:orientation="vertical"
+            android:gravity="left">
+        <TextView
+                android:id="@+id/ipLabel"
+                android:layout_width="match_parent"
+                android:layout_height="40dp"
+                android:background="@color/dark_10"
+                android:elevation="8dp"
+                android:gravity="center_vertical"
+                android:text="Your IP address:"
+                android:textColor="@color/white"
+                android:paddingLeft="20dp"/>
 
-    <Button
-            android:id="@+id/connect_button"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/connect_button"
-            android:layout_gravity="center"/>
+        <TextView
+                android:id="@+id/ip"
+                android:layout_width="match_parent"
+                android:layout_height="30dp"
+                android:background="@color/dark_10"
+                android:elevation="8dp"
+                android:gravity="center_vertical"
+                android:text=""
+                android:textColor="@color/white"
+                android:paddingLeft="20dp"
+                app:layout_constraintBottom_toTopOf="@+id/connectRadioGroup"
+                app:layout_constraintTop_toTopOf="parent"/>
+    </LinearLayout>
 
-</LinearLayout>
\ No newline at end of file
+
+    <RadioGroup
+            android:id="@+id/connectRadioGroup"
+            android:layout_width="match_parent"
+            android:layout_height="60dp"
+            android:background="@drawable/out_line"
+            android:checkedButton="@+id/offer"
+            android:orientation="horizontal"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:layout_editor_absoluteX="50dp">
+
+        <RadioButton
+                android:id="@+id/disconnectButton"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginLeft="1dp"
+                android:layout_marginTop="1dp"
+                android:layout_marginBottom="1dp"
+                android:layout_weight="1"
+                android:background="@drawable/toggle_widget_background"
+                android:button="@null"
+                android:gravity="center"
+                android:text="@string/disconnect_button"
+                android:textColor="@color/white"
+                android:checked="true"/>
+
+        <RadioButton
+                android:id="@+id/connectButton"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_marginTop="1dp"
+                android:layout_marginRight="1dp"
+                android:layout_marginBottom="1dp"
+                android:layout_weight="1"
+                android:background="@drawable/toggle_widget_background"
+                android:button="@null"
+                android:gravity="center"
+                android:text="@string/connect_button"
+                android:textColor="@color/white" />
+    </RadioGroup>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
index bbd3e02..03bac10 100644
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
index bbd3e02..c1a2635 100644
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
 </adaptive-icon>
\ No newline at end of file
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index 898f3ed..df35ba1 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..165ff7b
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
index dffca36..5eb1755 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 64ba76f..f9245a1 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..d38638d
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
index dae5e08..4e71be7 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index e5ed465..f2df957 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..7b35097
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
index 14ed0af..8ad62b8 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index b0907ca..7213fb4 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..1482312
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
index d8ae031..f5705d6 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 2c18de9..801c5a2 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..4a2ed2b
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
index beed3cd..9ad6863 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 69b2233..fd5098d 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#008577</color>
-    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorPrimary">#555555</color>
+    <color name="colorPrimaryDark">#343334</color>
     <color name="colorAccent">#D81B60</color>
+    <color name="white">#ffffff</color>
+    <color name="green">#83cf03</color>
+    <color name="grey">#343334</color>
+    <color name="dark_5">#555555</color>
+    <color name="dark_10">#666666</color>
+    <color name="dark_20">#777777</color>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 4bebd1e..6413abd 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,4 +1,5 @@
 <resources>
     <string name="app_name">Yggdrasil</string>
     <string name="connect_button">Connect</string>
+    <string name="disconnect_button">Disconnect</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index e18f895..1c56072 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,7 +1,7 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.MaterialComponents.Light">
+    <style name="AppTheme" parent="Theme.MaterialComponents.Light.DarkActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>