diff --git a/app/src/main/java/ch/dissem/apps/abit/AddressDetailFragment.kt b/app/src/main/java/ch/dissem/apps/abit/AddressDetailFragment.kt
index af66c9e..6fc090c 100644
--- a/app/src/main/java/ch/dissem/apps/abit/AddressDetailFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/AddressDetailFragment.kt
@@ -26,6 +26,7 @@ import android.view.*
 import android.widget.Toast
 import ch.dissem.apps.abit.service.Singleton
 import ch.dissem.apps.abit.util.Drawables
+import ch.dissem.apps.abit.util.qrCode
 import ch.dissem.bitmessage.entity.BitmessageAddress
 import ch.dissem.bitmessage.wif.WifExporter
 import com.mikepenz.community_material_typeface_library.CommunityMaterial
@@ -185,7 +186,7 @@ class AddressDetailFragment : Fragment() {
             }
 
             // QR code
-            qr_code.setImageBitmap(Drawables.qrCode(item))
+            qr_code.setImageBitmap(item.qrCode())
         }
     }
 
diff --git a/app/src/main/java/ch/dissem/apps/abit/AddressListFragment.kt b/app/src/main/java/ch/dissem/apps/abit/AddressListFragment.kt
index e7dc2db..5f77d05 100644
--- a/app/src/main/java/ch/dissem/apps/abit/AddressListFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/AddressListFragment.kt
@@ -27,7 +27,6 @@ import android.widget.ArrayAdapter
 import android.widget.ImageView
 import android.widget.TextView
 import ch.dissem.apps.abit.service.Singleton
-import ch.dissem.apps.abit.util.FabUtils
 import ch.dissem.bitmessage.entity.BitmessageAddress
 import com.google.zxing.integration.android.IntentIntegrator
 import io.github.kobakei.materialfabspeeddial.FabSpeedDialMenu
@@ -107,7 +106,7 @@ class AddressListFragment : AbstractItemListFragment<Void, BitmessageAddress>()
         val menu = FabSpeedDialMenu(activity)
         menu.add(R.string.scan_qr_code).setIcon(R.drawable.ic_action_qr_code)
         menu.add(R.string.create_contact).setIcon(R.drawable.ic_action_create_contact)
-        FabUtils.initFab(activity, R.drawable.ic_action_add_contact, menu)
+        activity.initFab(R.drawable.ic_action_add_contact, menu)
             .addOnMenuItemClickListener { _, _, itemId ->
                 when (itemId) {
                     1 -> IntentIntegrator.forSupportFragment(this@AddressListFragment)
diff --git a/app/src/main/java/ch/dissem/apps/abit/ConversationDetailFragment.kt b/app/src/main/java/ch/dissem/apps/abit/ConversationDetailFragment.kt
index f1e202b..3030c57 100644
--- a/app/src/main/java/ch/dissem/apps/abit/ConversationDetailFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/ConversationDetailFragment.kt
@@ -19,7 +19,6 @@ package ch.dissem.apps.abit
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
-import android.support.annotation.IdRes
 import android.support.v4.app.Fragment
 import android.support.v7.widget.LinearLayoutManager
 import android.support.v7.widget.RecyclerView
@@ -28,9 +27,9 @@ import android.widget.ImageView
 import android.widget.TextView
 import ch.dissem.apps.abit.adapter.ConversationAdapter
 import ch.dissem.apps.abit.service.Singleton
-import ch.dissem.apps.abit.util.Assets
 import ch.dissem.apps.abit.util.Drawables
 import ch.dissem.apps.abit.util.Strings.prepareMessageExtract
+import ch.dissem.apps.abit.util.getDrawable
 import ch.dissem.bitmessage.entity.Conversation
 import ch.dissem.bitmessage.entity.Plaintext
 import com.mikepenz.google_material_typeface_library.GoogleMaterial
@@ -148,7 +147,7 @@ class ConversationDetailFragment : Fragment() {
             val message = messages[position]
 
             viewHolder.avatar.setImageDrawable(Identicon(message.from))
-            viewHolder.status.setImageResource(Assets.getStatusDrawable(message.status))
+            viewHolder.status.setImageResource(message.status.getDrawable())
             viewHolder.sender.text = message.from.toString()
             viewHolder.extract.text = prepareMessageExtract(message.text)
             viewHolder.item = message
diff --git a/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt b/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
index c5a49c7..80f7427 100644
--- a/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/ConversationListFragment.kt
@@ -33,7 +33,6 @@ import ch.dissem.apps.abit.listener.ListSelectionListener
 import ch.dissem.apps.abit.repository.AndroidMessageRepository
 import ch.dissem.apps.abit.service.Singleton
 import ch.dissem.apps.abit.service.Singleton.currentLabel
-import ch.dissem.apps.abit.util.FabUtils
 import ch.dissem.bitmessage.entity.Conversation
 import ch.dissem.bitmessage.entity.valueobject.Label
 import ch.dissem.bitmessage.utils.ConversationService
@@ -248,7 +247,7 @@ class ConversationListFragment : Fragment(), ListHolder<Label> {
         val menu = FabSpeedDialMenu(context)
         menu.add(R.string.broadcast).setIcon(R.drawable.ic_action_broadcast)
         menu.add(R.string.personal_message).setIcon(R.drawable.ic_action_personal)
-        FabUtils.initFab(context, R.drawable.ic_action_compose_message, menu)
+        context.initFab(R.drawable.ic_action_compose_message, menu)
             .addOnMenuItemClickListener { _, _, itemId ->
                 val identity = Singleton.getIdentity(context)
                 if (identity == null) {
diff --git a/app/src/main/java/ch/dissem/apps/abit/MainActivity.kt b/app/src/main/java/ch/dissem/apps/abit/MainActivity.kt
index 3a17c41..5f7df5f 100644
--- a/app/src/main/java/ch/dissem/apps/abit/MainActivity.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/MainActivity.kt
@@ -19,6 +19,7 @@ package ch.dissem.apps.abit
 import android.content.Intent
 import android.graphics.Point
 import android.os.Bundle
+import android.support.annotation.DrawableRes
 import android.support.v4.app.Fragment
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.Toolbar
@@ -54,6 +55,7 @@ import com.mikepenz.materialdrawer.model.interfaces.IDrawerItem
 import com.mikepenz.materialdrawer.model.interfaces.IProfile
 import com.mikepenz.materialdrawer.model.interfaces.Nameable
 import io.github.kobakei.materialfabspeeddial.FabSpeedDial
+import io.github.kobakei.materialfabspeeddial.FabSpeedDialMenu
 import kotlinx.android.synthetic.main.activity_main.*
 import org.jetbrains.anko.doAsync
 import org.jetbrains.anko.uiThread
@@ -538,6 +540,25 @@ class MainActivity : AppCompatActivity(), ListSelectionListener<Serializable> {
         supportActionBar?.title = title
     }
 
+    fun initFab(@DrawableRes drawableRes: Int, menu: FabSpeedDialMenu): FabSpeedDial {
+        val fab = floatingActionButton ?: throw IllegalStateException("Fab must not be null")
+        fab.removeAllOnMenuItemClickListeners()
+        fab.show()
+        fab.closeMenu()
+        val mainFab = fab.mainFab
+        mainFab.setImageResource(drawableRes)
+        fab.setMenu(menu)
+        fab.addOnStateChangeListener { isOpened: Boolean ->
+            if (isOpened) {
+                // It will be turned 45 degrees, which makes an x out of the +
+                mainFab.setImageResource(R.drawable.ic_action_add)
+            } else {
+                mainFab.setImageResource(drawableRes)
+            }
+        }
+        return fab
+    }
+
     companion object {
         const val EXTRA_SHOW_MESSAGE = "ch.dissem.abit.ShowMessage"
         const val EXTRA_SHOW_LABEL = "ch.dissem.abit.ShowLabel"
diff --git a/app/src/main/java/ch/dissem/apps/abit/MessageDetailFragment.kt b/app/src/main/java/ch/dissem/apps/abit/MessageDetailFragment.kt
index e9d9780..3f02bd8 100644
--- a/app/src/main/java/ch/dissem/apps/abit/MessageDetailFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/MessageDetailFragment.kt
@@ -31,16 +31,15 @@ import android.widget.ImageView
 import android.widget.TextView
 import ch.dissem.apps.abit.adapter.LabelAdapter
 import ch.dissem.apps.abit.service.Singleton
-import ch.dissem.apps.abit.util.Assets
 import ch.dissem.apps.abit.util.Constants.BITMESSAGE_ADDRESS_PATTERN
 import ch.dissem.apps.abit.util.Constants.BITMESSAGE_URL_SCHEMA
 import ch.dissem.apps.abit.util.Drawables
-import ch.dissem.apps.abit.util.Labels
 import ch.dissem.apps.abit.util.Strings.prepareMessageExtract
+import ch.dissem.apps.abit.util.getDrawable
+import ch.dissem.apps.abit.util.getString
 import ch.dissem.bitmessage.entity.Plaintext
 import ch.dissem.bitmessage.entity.valueobject.Label
 import com.mikepenz.google_material_typeface_library.GoogleMaterial
-import com.mikepenz.iconics.view.IconicsImageView
 import kotlinx.android.synthetic.main.fragment_message_detail.*
 import java.util.*
 
@@ -86,8 +85,8 @@ class MessageDetailFragment : Fragment() {
         // Show the dummy content as text in a TextView.
         item?.let { item ->
             subject.text = item.subject
-            status.setImageResource(Assets.getStatusDrawable(item.status))
-            status.contentDescription = getString(Assets.getStatusString(item.status))
+            status.setImageResource(item.status.getDrawable())
+            status.contentDescription = getString(item.status.getString())
             avatar.setImageDrawable(Identicon(item.from))
             val senderClickListener: (View) -> Unit = {
                 MainActivity.apply {
@@ -230,7 +229,7 @@ class MessageDetailFragment : Fragment() {
             val message = messages[position]
 
             viewHolder.avatar.setImageDrawable(Identicon(message.from))
-            viewHolder.status.setImageResource(Assets.getStatusDrawable(message.status))
+            viewHolder.status.setImageResource(message.status.getDrawable())
             viewHolder.sender.text = message.from.toString()
             viewHolder.extract.text = prepareMessageExtract(message.text)
             viewHolder.item = message
diff --git a/app/src/main/java/ch/dissem/apps/abit/MessageListFragment.kt b/app/src/main/java/ch/dissem/apps/abit/MessageListFragment.kt
index 11adc5e..f4eac98 100644
--- a/app/src/main/java/ch/dissem/apps/abit/MessageListFragment.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/MessageListFragment.kt
@@ -33,7 +33,6 @@ import ch.dissem.apps.abit.listener.ListSelectionListener
 import ch.dissem.apps.abit.repository.AndroidMessageRepository
 import ch.dissem.apps.abit.service.Singleton
 import ch.dissem.apps.abit.service.Singleton.currentLabel
-import ch.dissem.apps.abit.util.FabUtils
 import ch.dissem.bitmessage.entity.Plaintext
 import ch.dissem.bitmessage.entity.valueobject.Label
 import com.h6ah4i.android.widget.advrecyclerview.animator.SwipeDismissItemAnimator
@@ -98,7 +97,11 @@ class MessageListFragment : Fragment(), ListHolder<Label> {
         isLoading = true
         swipeableMessageAdapter?.let { messageAdapter ->
             doAsync {
-                val messages = messageRepo.findMessages(currentLabel.value, messageAdapter.itemCount, PAGE_SIZE)
+                val messages = messageRepo.findMessages(
+                    currentLabel.value,
+                    messageAdapter.itemCount,
+                    PAGE_SIZE
+                )
                 onUiThread {
                     messageAdapter.addAll(messages)
                     isLoading = false
@@ -149,7 +152,11 @@ class MessageListFragment : Fragment(), ListHolder<Label> {
         loadMoreItems()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View =
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View =
         inflater.inflate(R.layout.fragment_message_list, container, false)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -213,8 +220,11 @@ class MessageListFragment : Fragment(), ListHolder<Label> {
         recycler_view.itemAnimator = animator
         recycler_view.addOnScrollListener(recyclerViewOnScrollListener)
 
-        recycler_view.addItemDecoration(SimpleListDividerDecorator(
-            ContextCompat.getDrawable(context, R.drawable.list_divider_h), true))
+        recycler_view.addItemDecoration(
+            SimpleListDividerDecorator(
+                ContextCompat.getDrawable(context, R.drawable.list_divider_h), true
+            )
+        )
 
         // NOTE:
         // The initialization order is very important! This order determines the priority of
@@ -235,12 +245,14 @@ class MessageListFragment : Fragment(), ListHolder<Label> {
         val menu = FabSpeedDialMenu(context)
         menu.add(R.string.broadcast).setIcon(R.drawable.ic_action_broadcast)
         menu.add(R.string.personal_message).setIcon(R.drawable.ic_action_personal)
-        FabUtils.initFab(context, R.drawable.ic_action_compose_message, menu)
+        context.initFab(R.drawable.ic_action_compose_message, menu)
             .addOnMenuItemClickListener { _, _, itemId ->
                 val identity = Singleton.getIdentity(context)
                 if (identity == null) {
-                    Toast.makeText(activity, R.string.no_identity_warning,
-                        Toast.LENGTH_LONG).show()
+                    Toast.makeText(
+                        activity, R.string.no_identity_warning,
+                        Toast.LENGTH_LONG
+                    ).show()
                 } else {
                     when (itemId) {
                         1 -> {
diff --git a/app/src/main/java/ch/dissem/apps/abit/adapter/ConversationAdapter.kt b/app/src/main/java/ch/dissem/apps/abit/adapter/ConversationAdapter.kt
index b2edc00..c07ec0d 100644
--- a/app/src/main/java/ch/dissem/apps/abit/adapter/ConversationAdapter.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/adapter/ConversationAdapter.kt
@@ -13,8 +13,8 @@ import android.widget.ImageView
 import android.widget.TextView
 import ch.dissem.apps.abit.*
 import ch.dissem.apps.abit.service.Singleton
-import ch.dissem.apps.abit.util.Assets
 import ch.dissem.apps.abit.util.Constants
+import ch.dissem.apps.abit.util.getDrawable
 import ch.dissem.bitmessage.entity.Conversation
 import ch.dissem.bitmessage.entity.Plaintext
 import ch.dissem.bitmessage.entity.valueobject.Label
@@ -61,7 +61,7 @@ class ConversationAdapter internal constructor(
             sender.setOnClickListener(senderClickListener)
 
             recipient.text = message.to.toString()
-            status.setImageResource(Assets.getStatusDrawable(message.status))
+            status.setImageResource(message.status.getDrawable())
             text.text = message.text
 
             Linkify.addLinks(text, Linkify.WEB_URLS)
diff --git a/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableMessageAdapter.kt b/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableMessageAdapter.kt
index 76804c0..f01e1b2 100644
--- a/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableMessageAdapter.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/adapter/SwipeableMessageAdapter.kt
@@ -29,8 +29,9 @@ import android.widget.TextView
 import ch.dissem.apps.abit.Identicon
 import ch.dissem.apps.abit.R
 import ch.dissem.apps.abit.repository.AndroidLabelRepository.Companion.LABEL_ARCHIVE
-import ch.dissem.apps.abit.util.Assets
 import ch.dissem.apps.abit.util.Strings.prepareMessageExtract
+import ch.dissem.apps.abit.util.getDrawable
+import ch.dissem.apps.abit.util.getString
 import ch.dissem.bitmessage.entity.Plaintext
 import ch.dissem.bitmessage.entity.valueobject.Label
 import com.h6ah4i.android.widget.advrecyclerview.swipeable.SwipeableItemAdapter
@@ -48,7 +49,8 @@ import java.util.*
  * @author Christian Basler
  * @see [https://github.com/h6ah4i/android-advancedrecyclerview](https://github.com/h6ah4i/android-advancedrecyclerview)
  */
-class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.ViewHolder>(), SwipeableItemAdapter<SwipeableMessageAdapter.ViewHolder>, SwipeableItemConstants {
+class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.ViewHolder>(),
+    SwipeableItemAdapter<SwipeableMessageAdapter.ViewHolder>, SwipeableItemConstants {
 
     private val data = LinkedList<Plaintext>()
     var eventListener: EventListener? = null
@@ -84,7 +86,8 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
 
     init {
         itemViewOnClickListener = View.OnClickListener { view -> onItemViewClick(view) }
-        swipeableViewContainerOnClickListener = View.OnClickListener { view -> onSwipeableViewContainerClick(view) }
+        swipeableViewContainerOnClickListener =
+            View.OnClickListener { view -> onSwipeableViewContainerClick(view) }
 
         // SwipeableItemAdapter requires stable ID, and also
         // have to implement the getItemId() method appropriately.
@@ -134,7 +137,8 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
 
     private fun onSwipeableViewContainerClick(v: View) {
         eventListener?.onItemViewClicked(
-            RecyclerViewAdapterUtils.getParentViewHolderItemView(v))
+            RecyclerViewAdapterUtils.getParentViewHolderItemView(v)
+        )
     }
 
     fun getItem(position: Int) = data[position]
@@ -168,8 +172,8 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
 
             // set data
             avatar.setImageDrawable(Identicon(item.from))
-            status.setImageResource(Assets.getStatusDrawable(item.status))
-            status.contentDescription = holder.status.context.getString(Assets.getStatusString(item.status))
+            status.setImageResource(item.status.getDrawable())
+            status.contentDescription = holder.status.context.getString(item.status.getString())
             sender.text = item.from.toString()
             subject.text = prepareMessageExtract(item.subject)
             extract.text = prepareMessageExtract(item.text)
@@ -194,16 +198,18 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
 
     @SuppressLint("SwitchIntDef")
     override fun onSetSwipeBackground(holder: ViewHolder, position: Int, type: Int) =
-        holder.itemView.setBackgroundResource(when (type) {
-            DRAWABLE_SWIPE_NEUTRAL_BACKGROUND -> R.drawable.bg_swipe_item_neutral
-            DRAWABLE_SWIPE_LEFT_BACKGROUND -> R.drawable.bg_swipe_item_left
-            DRAWABLE_SWIPE_RIGHT_BACKGROUND -> if (label === LABEL_ARCHIVE || label?.type == Label.Type.TRASH) {
-                R.drawable.bg_swipe_item_neutral
-            } else {
-                R.drawable.bg_swipe_item_right
+        holder.itemView.setBackgroundResource(
+            when (type) {
+                DRAWABLE_SWIPE_NEUTRAL_BACKGROUND -> R.drawable.bg_swipe_item_neutral
+                DRAWABLE_SWIPE_LEFT_BACKGROUND -> R.drawable.bg_swipe_item_left
+                DRAWABLE_SWIPE_RIGHT_BACKGROUND -> if (label === LABEL_ARCHIVE || label?.type == Label.Type.TRASH) {
+                    R.drawable.bg_swipe_item_neutral
+                } else {
+                    R.drawable.bg_swipe_item_right
+                }
+                else -> R.drawable.bg_swipe_item_neutral
             }
-            else -> R.drawable.bg_swipe_item_neutral
-        })
+        )
 
     @SuppressLint("SwitchIntDef")
     override fun onSwipeItem(holder: ViewHolder, position: Int, result: Int) =
@@ -222,7 +228,10 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
         notifyItemChanged(selectedPosition)
     }
 
-    private class SwipeLeftResultAction internal constructor(adapter: SwipeableMessageAdapter, position: Int) : SwipeResultActionMoveToSwipedDirection() {
+    private class SwipeLeftResultAction internal constructor(
+        adapter: SwipeableMessageAdapter,
+        position: Int
+    ) : SwipeResultActionMoveToSwipedDirection() {
         private var adapter: SwipeableMessageAdapter? = adapter
         private val item = adapter.data[position]
 
@@ -235,7 +244,10 @@ class SwipeableMessageAdapter : RecyclerView.Adapter<SwipeableMessageAdapter.Vie
         }
     }
 
-    private class SwipeRightResultAction internal constructor(adapter: SwipeableMessageAdapter, position: Int) : SwipeResultActionRemoveItem() {
+    private class SwipeRightResultAction internal constructor(
+        adapter: SwipeableMessageAdapter,
+        position: Int
+    ) : SwipeResultActionRemoveItem() {
         private var adapter: SwipeableMessageAdapter? = adapter
         private val item = adapter.data[position]
 
diff --git a/app/src/main/java/ch/dissem/apps/abit/drawer/ProfileImageListener.kt b/app/src/main/java/ch/dissem/apps/abit/drawer/ProfileImageListener.kt
index e5cf436..09d0d62 100644
--- a/app/src/main/java/ch/dissem/apps/abit/drawer/ProfileImageListener.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/drawer/ProfileImageListener.kt
@@ -10,7 +10,7 @@ import android.view.WindowManager
 import android.widget.ImageView
 import android.widget.RelativeLayout
 import ch.dissem.apps.abit.service.Singleton
-import ch.dissem.apps.abit.util.Drawables
+import ch.dissem.apps.abit.util.qrCode
 import com.mikepenz.materialdrawer.AccountHeader
 import com.mikepenz.materialdrawer.model.interfaces.IProfile
 
@@ -23,7 +23,7 @@ class ProfileImageListener(private val ctx: Context) : AccountHeader.OnAccountHe
             dialog.requestWindowFeature(Window.FEATURE_NO_TITLE)
 
             val imageView = ImageView(ctx)
-            imageView.setImageBitmap(Drawables.qrCode(Singleton.getIdentity(ctx)))
+            imageView.setImageBitmap(Singleton.getIdentity(ctx)?.qrCode())
             imageView.setOnClickListener { dialog.dismiss() }
             dialog.addContentView(
                     imageView,
diff --git a/app/src/main/java/ch/dissem/apps/abit/notification/NewMessageNotification.kt b/app/src/main/java/ch/dissem/apps/abit/notification/NewMessageNotification.kt
index 3328d26..b094011 100644
--- a/app/src/main/java/ch/dissem/apps/abit/notification/NewMessageNotification.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/notification/NewMessageNotification.kt
@@ -17,6 +17,7 @@
 package ch.dissem.apps.abit.notification
 
 import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.content.Context
 import android.content.Intent
 import android.graphics.Typeface
@@ -27,18 +28,15 @@ import android.text.Spannable
 import android.text.SpannableString
 import android.text.Spanned
 import android.text.style.StyleSpan
-
 import ch.dissem.apps.abit.Identicon
 import ch.dissem.apps.abit.MainActivity
-import ch.dissem.apps.abit.R
-import ch.dissem.apps.abit.service.BitmessageIntentService
-import ch.dissem.bitmessage.entity.Plaintext
-
-import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import ch.dissem.apps.abit.MainActivity.Companion.EXTRA_REPLY_TO_MESSAGE
 import ch.dissem.apps.abit.MainActivity.Companion.EXTRA_SHOW_MESSAGE
+import ch.dissem.apps.abit.R
+import ch.dissem.apps.abit.service.BitmessageIntentService
 import ch.dissem.apps.abit.service.BitmessageIntentService.Companion.EXTRA_DELETE_MESSAGE
-import ch.dissem.apps.abit.util.Drawables.toBitmap
+import ch.dissem.apps.abit.util.toBitmap
+import ch.dissem.bitmessage.entity.Plaintext
 
 class NewMessageNotification(ctx: Context) : AbstractNotification(ctx) {
 
@@ -53,7 +51,7 @@ class NewMessageNotification(ctx: Context) : AbstractNotification(ctx) {
             bigText.setSpan(SPAN_EMPHASIS, 0, subject.length, Spanned.SPAN_INCLUSIVE_EXCLUSIVE)
         }
         builder.setSmallIcon(R.drawable.ic_notification_new_message)
-            .setLargeIcon(toBitmap(Identicon(plaintext.from), 192))
+            .setLargeIcon(Identicon(plaintext.from).toBitmap(192))
             .setContentTitle(plaintext.from.toString())
             .setContentText(plaintext.subject)
             .setStyle(BigTextStyle().bigText(bigText))
diff --git a/app/src/main/java/ch/dissem/apps/abit/repository/AndroidLabelRepository.kt b/app/src/main/java/ch/dissem/apps/abit/repository/AndroidLabelRepository.kt
index f9b000d..165a6e2 100644
--- a/app/src/main/java/ch/dissem/apps/abit/repository/AndroidLabelRepository.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/repository/AndroidLabelRepository.kt
@@ -20,7 +20,7 @@ import android.content.ContentValues
 import android.content.Context
 import android.database.Cursor
 import android.database.DatabaseUtils
-import ch.dissem.apps.abit.util.Labels
+import ch.dissem.apps.abit.util.getText
 import ch.dissem.bitmessage.entity.valueobject.Label
 import ch.dissem.bitmessage.ports.AbstractLabelRepository
 import ch.dissem.bitmessage.ports.MessageRepository
@@ -30,7 +30,8 @@ import java.util.*
 /**
  * [MessageRepository] implementation using the Android SQL API.
  */
-class AndroidLabelRepository(private val sql: SqlHelper, private val context: Context) : AbstractLabelRepository() {
+class AndroidLabelRepository(private val sql: SqlHelper, private val context: Context) :
+    AbstractLabelRepository() {
 
     override fun find(where: String): List<Label> {
         val result = LinkedList<Label>()
@@ -62,7 +63,12 @@ class AndroidLabelRepository(private val sql: SqlHelper, private val context: Co
             db.update(TABLE_NAME, values, "id=?", arrayOf(label.id.toString()))
         } else {
             db.transaction {
-                val exists = DatabaseUtils.queryNumEntries(db, TABLE_NAME, "label=?", arrayOf(label.toString())) > 0
+                val exists = DatabaseUtils.queryNumEntries(
+                    db,
+                    TABLE_NAME,
+                    "label=?",
+                    arrayOf(label.toString())
+                ) > 0
 
                 if (exists) {
                     val values = ContentValues()
@@ -82,7 +88,8 @@ class AndroidLabelRepository(private val sql: SqlHelper, private val context: Co
         }
     }
 
-    internal fun findLabels(msgId: Any) = find("id IN (SELECT label_id FROM Message_Label WHERE message_id=$msgId)")
+    internal fun findLabels(msgId: Any) =
+        find("id IN (SELECT label_id FROM Message_Label WHERE message_id=$msgId)")
 
     companion object {
         val LABEL_ARCHIVE = Label("archive", null, 0).apply { id = Long.MAX_VALUE }
@@ -97,11 +104,12 @@ class AndroidLabelRepository(private val sql: SqlHelper, private val context: Co
         internal fun getLabel(c: Cursor, context: Context): Label {
             val typeName = c.getString(c.getColumnIndex(COLUMN_TYPE))
             val type = if (typeName == null) null else Label.Type.valueOf(typeName)
-            val text: String? = Labels.getText(type, null, context)
+            val text: String? = type?.getText(null, context)
             val label = Label(
                 text ?: c.getString(c.getColumnIndex(COLUMN_LABEL)),
                 type,
-                c.getInt(c.getColumnIndex(COLUMN_COLOR)))
+                c.getInt(c.getColumnIndex(COLUMN_COLOR))
+            )
             label.id = c.getLong(c.getColumnIndex(COLUMN_ID))
             return label
         }
diff --git a/app/src/main/java/ch/dissem/apps/abit/util/Assets.kt b/app/src/main/java/ch/dissem/apps/abit/util/Assets.kt
index d234870..c09ef2b 100644
--- a/app/src/main/java/ch/dissem/apps/abit/util/Assets.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/util/Assets.kt
@@ -43,28 +43,25 @@ object Assets {
         } catch (e: IOException) {
             throw RuntimeException(e)
         }
-
-    }
-
-    @DrawableRes
-    fun getStatusDrawable(status: Plaintext.Status) = when (status) {
-        Plaintext.Status.RECEIVED -> 0
-        Plaintext.Status.DRAFT -> R.drawable.draft
-        Plaintext.Status.PUBKEY_REQUESTED -> R.drawable.public_key
-        Plaintext.Status.DOING_PROOF_OF_WORK -> R.drawable.ic_notification_proof_of_work
-        Plaintext.Status.SENT -> R.drawable.sent
-        Plaintext.Status.SENT_ACKNOWLEDGED -> R.drawable.sent_acknowledged
-        else -> 0
-    }
-
-    @StringRes
-    fun getStatusString(status: Plaintext.Status) = when (status) {
-        Plaintext.Status.RECEIVED -> R.string.status_received
-        Plaintext.Status.DRAFT -> R.string.status_draft
-        Plaintext.Status.PUBKEY_REQUESTED -> R.string.status_public_key
-        Plaintext.Status.DOING_PROOF_OF_WORK -> R.string.proof_of_work_title
-        Plaintext.Status.SENT -> R.string.status_sent
-        Plaintext.Status.SENT_ACKNOWLEDGED -> R.string.status_sent_acknowledged
-        else -> 0
     }
 }
+
+fun Plaintext.Status.getDrawable() = when (this) {
+    Plaintext.Status.RECEIVED -> 0
+    Plaintext.Status.DRAFT -> R.drawable.draft
+    Plaintext.Status.PUBKEY_REQUESTED -> R.drawable.public_key
+    Plaintext.Status.DOING_PROOF_OF_WORK -> R.drawable.ic_notification_proof_of_work
+    Plaintext.Status.SENT -> R.drawable.sent
+    Plaintext.Status.SENT_ACKNOWLEDGED -> R.drawable.sent_acknowledged
+    else -> 0
+}
+
+fun Plaintext.Status.getString() = when (this) {
+    Plaintext.Status.RECEIVED -> R.string.status_received
+    Plaintext.Status.DRAFT -> R.string.status_draft
+    Plaintext.Status.PUBKEY_REQUESTED -> R.string.status_public_key
+    Plaintext.Status.DOING_PROOF_OF_WORK -> R.string.proof_of_work_title
+    Plaintext.Status.SENT -> R.string.status_sent
+    Plaintext.Status.SENT_ACKNOWLEDGED -> R.string.status_sent_acknowledged
+    else -> 0
+}
diff --git a/app/src/main/java/ch/dissem/apps/abit/util/Drawables.kt b/app/src/main/java/ch/dissem/apps/abit/util/Drawables.kt
index 5905cbf..a11747a 100644
--- a/app/src/main/java/ch/dissem/apps/abit/util/Drawables.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/util/Drawables.kt
@@ -21,13 +21,14 @@ import android.graphics.Bitmap
 import android.graphics.Canvas
 import android.graphics.Color.BLACK
 import android.graphics.Color.WHITE
+import android.graphics.drawable.Drawable
 import android.util.Base64
 import android.util.Base64.NO_WRAP
 import android.util.Base64.URL_SAFE
 import android.view.Menu
 import android.view.MenuItem
-import ch.dissem.apps.abit.Identicon
 import ch.dissem.apps.abit.R
+import ch.dissem.apps.abit.util.Drawables.QR_CODE_SIZE
 import ch.dissem.bitmessage.entity.BitmessageAddress
 import com.google.zxing.BarcodeFormat
 import com.google.zxing.MultiFormatWriter
@@ -42,61 +43,61 @@ import java.io.ByteArrayOutputStream
  * Some helper methods to work with drawables.
  */
 object Drawables {
-    private val LOG = LoggerFactory.getLogger(Drawables::class.java)
+    internal val LOG = LoggerFactory.getLogger(Drawables::class.java)
 
-    private const val QR_CODE_SIZE = 350
+    internal const val QR_CODE_SIZE = 350
 
     fun addIcon(ctx: Context, menu: Menu, menuItem: Int, icon: IIcon): MenuItem {
         val item = menu.findItem(menuItem)
         item.icon = IconicsDrawable(ctx, icon).colorRes(R.color.colorPrimaryDarkText).actionBar()
         return item
     }
-
-    fun toBitmap(identicon: Identicon, width: Int, height: Int = width): Bitmap {
-        val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
-        val canvas = Canvas(bitmap)
-        identicon.setBounds(0, 0, canvas.width, canvas.height)
-        identicon.draw(canvas)
-        return bitmap
-    }
-
-    fun qrCode(address: BitmessageAddress?): Bitmap? {
-        if (address == null) {
-            return null
-        }
-        val link = StringBuilder()
-        link.append(Constants.BITMESSAGE_URL_SCHEMA)
-        link.append(address.address)
-        if (address.alias != null) {
-            link.append("?label=").append(address.alias)
-        }
-        address.pubkey?.apply {
-            link.append(if (address.alias == null) '?' else '&')
-            val pubkey = ByteArrayOutputStream()
-            writer().writeUnencrypted(pubkey)
-            link.append("pubkey=").append(Base64.encodeToString(pubkey.toByteArray(), URL_SAFE or NO_WRAP))
-
-        }
-        val result: BitMatrix
-        try {
-            result = MultiFormatWriter().encode(link.toString(),
-                    BarcodeFormat.QR_CODE, QR_CODE_SIZE, QR_CODE_SIZE, null)
-        } catch (e: WriterException) {
-            LOG.error(e.message, e)
-            return null
-        }
-
-        val w = result.width
-        val h = result.height
-        val pixels = IntArray(w * h)
-        for (y in 0 until h) {
-            val offset = y * w
-            for (x in 0 until w) {
-                pixels[offset + x] = if (result.get(x, y)) BLACK else WHITE
-            }
-        }
-        val bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
-        bitmap.setPixels(pixels, 0, QR_CODE_SIZE, 0, 0, w, h)
-        return bitmap
-    }
+}
+
+fun Drawable.toBitmap(width: Int, height: Int = width): Bitmap {
+    val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
+    val canvas = Canvas(bitmap)
+    setBounds(0, 0, canvas.width, canvas.height)
+    draw(canvas)
+    return bitmap
+}
+
+fun BitmessageAddress.qrCode(): Bitmap? {
+    val link = StringBuilder()
+    link.append(Constants.BITMESSAGE_URL_SCHEMA)
+    link.append(address)
+    if (alias != null) {
+        link.append("?label=").append(alias)
+    }
+    pubkey?.apply {
+        link.append(if (alias == null) '?' else '&')
+        val pubkey = ByteArrayOutputStream()
+        writer().writeUnencrypted(pubkey)
+        link.append("pubkey=")
+            .append(Base64.encodeToString(pubkey.toByteArray(), URL_SAFE or NO_WRAP))
+
+    }
+    val result: BitMatrix
+    try {
+        result = MultiFormatWriter().encode(
+            link.toString(),
+            BarcodeFormat.QR_CODE, QR_CODE_SIZE, QR_CODE_SIZE, null
+        )
+    } catch (e: WriterException) {
+        Drawables.LOG.error(e.message, e)
+        return null
+    }
+
+    val w = result.width
+    val h = result.height
+    val pixels = IntArray(w * h)
+    for (y in 0 until h) {
+        val offset = y * w
+        for (x in 0 until w) {
+            pixels[offset + x] = if (result.get(x, y)) BLACK else WHITE
+        }
+    }
+    val bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888)
+    bitmap.setPixels(pixels, 0, QR_CODE_SIZE, 0, 0, w, h)
+    return bitmap
 }
diff --git a/app/src/main/java/ch/dissem/apps/abit/util/FabUtils.kt b/app/src/main/java/ch/dissem/apps/abit/util/FabUtils.kt
deleted file mode 100644
index 93647b4..0000000
--- a/app/src/main/java/ch/dissem/apps/abit/util/FabUtils.kt
+++ /dev/null
@@ -1,31 +0,0 @@
-package ch.dissem.apps.abit.util
-
-import android.support.annotation.DrawableRes
-import ch.dissem.apps.abit.MainActivity
-import ch.dissem.apps.abit.R
-import io.github.kobakei.materialfabspeeddial.FabSpeedDial
-import io.github.kobakei.materialfabspeeddial.FabSpeedDialMenu
-
-/**
- * Utilities to work with the common floating action button in the main activity
- */
-object FabUtils {
-    fun initFab(activity: MainActivity, @DrawableRes drawableRes: Int, menu: FabSpeedDialMenu): FabSpeedDial {
-        val fab = activity.floatingActionButton ?: throw IllegalStateException("Fab must not be null")
-        fab.removeAllOnMenuItemClickListeners()
-        fab.show()
-        fab.closeMenu()
-        val mainFab = fab.mainFab
-        mainFab.setImageResource(drawableRes)
-        fab.setMenu(menu)
-        fab.addOnStateChangeListener { isOpened: Boolean ->
-            if (isOpened) {
-                // It will be turned 45 degrees, which makes an x out of the +
-                mainFab.setImageResource(R.drawable.ic_action_add)
-            } else {
-                mainFab.setImageResource(drawableRes)
-            }
-        }
-        return fab
-    }
-}
diff --git a/app/src/main/java/ch/dissem/apps/abit/util/Labels.kt b/app/src/main/java/ch/dissem/apps/abit/util/Labels.kt
index f9d13df..9fdbba2 100644
--- a/app/src/main/java/ch/dissem/apps/abit/util/Labels.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/util/Labels.kt
@@ -2,31 +2,27 @@ package ch.dissem.apps.abit.util
 
 import android.content.Context
 import android.support.annotation.ColorInt
-
+import ch.dissem.apps.abit.R
+import ch.dissem.bitmessage.entity.valueobject.Label
 import com.mikepenz.community_material_typeface_library.CommunityMaterial
 import com.mikepenz.google_material_typeface_library.GoogleMaterial
 import com.mikepenz.iconics.typeface.IIcon
 
-import ch.dissem.apps.abit.R
-import ch.dissem.bitmessage.entity.valueobject.Label
-
 /*
  * Helper methods to help with translating the default labels, getting label colors and so on.
  */
 
-fun Label.getText(ctx: Context): String = Labels.getText(type, toString(), ctx)!!
+fun Label.getText(ctx: Context): String = type?.getText(toString(), ctx) ?: toString()
 
-object Labels {
-    fun getText(type: Label.Type?, alternative: String?, ctx: Context) = when (type) {
-        Label.Type.INBOX -> ctx.getString(R.string.inbox)
-        Label.Type.DRAFT -> ctx.getString(R.string.draft)
-        Label.Type.OUTBOX -> ctx.getString(R.string.outbox)
-        Label.Type.SENT -> ctx.getString(R.string.sent)
-        Label.Type.UNREAD -> ctx.getString(R.string.unread)
-        Label.Type.TRASH -> ctx.getString(R.string.trash)
-        Label.Type.BROADCAST -> ctx.getString(R.string.broadcasts)
-        else -> alternative
-    }
+fun Label.Type.getText(alternative: String?, ctx: Context) = when (this) {
+    Label.Type.INBOX -> ctx.getString(R.string.inbox)
+    Label.Type.DRAFT -> ctx.getString(R.string.draft)
+    Label.Type.OUTBOX -> ctx.getString(R.string.outbox)
+    Label.Type.SENT -> ctx.getString(R.string.sent)
+    Label.Type.UNREAD -> ctx.getString(R.string.unread)
+    Label.Type.TRASH -> ctx.getString(R.string.trash)
+    Label.Type.BROADCAST -> ctx.getString(R.string.broadcasts)
+    else -> alternative
 }
 
 fun Label.getIcon(): IIcon = when (type) {
diff --git a/app/src/main/java/ch/dissem/apps/abit/util/PowStats.kt b/app/src/main/java/ch/dissem/apps/abit/util/PowStats.kt
index 889717d..05a761b 100644
--- a/app/src/main/java/ch/dissem/apps/abit/util/PowStats.kt
+++ b/app/src/main/java/ch/dissem/apps/abit/util/PowStats.kt
@@ -23,7 +23,7 @@ object PowStats {
                 powCount = preferences.getLong(PREFERENCE_POW_COUNT, 0L)
             }
         }
-        return (BigInteger.valueOf(averagePowUnitTime) * BigInteger(target) / TWO_POW_64).toLong()
+        return (averagePowUnitTime * BigInteger(target) / TWO_POW_64).toLong()
     }
 
     fun addPow(ctx: Context, time: Long, target: ByteArray) {
@@ -32,7 +32,7 @@ object PowStats {
         synchronized(this) {
             powCount++
             averagePowUnitTime = (
-                (BigInteger.valueOf(averagePowUnitTime) * powCountBefore + (BigInteger.valueOf(time) * TWO_POW_64 / targetBigInt)) / BigInteger.valueOf(powCount)
+                (averagePowUnitTime * powCountBefore + (time * TWO_POW_64 / targetBigInt)) / powCount
                 ).toLong()
 
             val preferences = PreferenceManager.getDefaultSharedPreferences(ctx)
@@ -42,4 +42,7 @@ object PowStats {
                 .apply()
         }
     }
+
+    private operator fun Long.times(other: BigInteger) = this.toBigInteger() * other
+    private operator fun BigInteger.div(other: Long) = this / other.toBigInteger()
 }