diff --git a/build.gradle b/build.gradle
index 34ad6129..314fffa6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,10 +7,12 @@ ext {
 
     kotlinVersion = '1.3.41'
 
-    javaUtilsVersion = '1.0.8'
+    javaUtilsVersion = '1.0.9'
 
     androidUtilsVersion = '1.1.0'
 
+    clansFloatingActionButtonVersion = '1.6.4'
+
     javaFxUtilsVersion = '1.0.3'
 
     junitVersion = '4.12'
diff --git a/fints4javaAndroidApp/build.gradle b/fints4javaAndroidApp/build.gradle
index 8efaec66..ccd7581c 100644
--- a/fints4javaAndroidApp/build.gradle
+++ b/fints4javaAndroidApp/build.gradle
@@ -53,6 +53,8 @@ dependencies {
     // TODO: try to get rid of this import
     implementation project(':fints4javaLib')
 
+    implementation "com.github.clans:fab:$clansFloatingActionButtonVersion"
+
     api "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
 
     api "net.dankito.utils:android-utils:$androidUtilsVersion", {
diff --git a/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/MainActivity.kt b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/MainActivity.kt
index 36200ad1..90003b11 100644
--- a/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/MainActivity.kt
+++ b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/MainActivity.kt
@@ -1,18 +1,19 @@
 package net.dankito.banking.fints4java.android
 
 import android.os.Bundle
-import android.support.design.widget.FloatingActionButton
 import android.support.design.widget.NavigationView
 import android.support.v4.widget.DrawerLayout
 import android.support.v7.app.AppCompatActivity
 import android.support.v7.widget.Toolbar
 import android.view.Menu
 import androidx.navigation.findNavController
+import com.github.clans.fab.FloatingActionMenu
+import kotlinx.android.synthetic.main.action_view_account_menu_item.view.*
 import net.dankito.banking.fints4java.android.ui.MainWindowPresenter
 import net.dankito.banking.fints4java.android.ui.dialogs.AddAccountDialog
 import net.dankito.banking.fints4java.android.ui.dialogs.EnterAtcDialog
 import net.dankito.banking.fints4java.android.ui.dialogs.EnterTanDialog
-import net.dankito.banking.mapper.fints4javaModelMapper
+import net.dankito.banking.fints4java.android.ui.views.MainActivityFloatingActionMenuButton
 import net.dankito.banking.ui.BankingClientCallback
 import net.dankito.banking.ui.model.Account
 import net.dankito.banking.ui.model.tan.EnterTanGeneratorAtcResult
@@ -27,6 +28,9 @@ class MainActivity : AppCompatActivity() {
 
 //    private lateinit var appBarConfiguration: AppBarConfiguration
 
+    private lateinit var floatingActionMenuButton: MainActivityFloatingActionMenuButton
+
+
     val presenter = MainWindowPresenter(Base64ServiceAndroid(), object : BankingClientCallback {
 
         override fun enterTan(account: Account, tanChallenge: TanChallenge): EnterTanResult {
@@ -52,11 +56,6 @@ class MainActivity : AppCompatActivity() {
         val toolbar: Toolbar = findViewById(R.id.toolbar)
         setSupportActionBar(toolbar)
 
-        val fab: FloatingActionButton = findViewById(R.id.fab)
-        fab.setOnClickListener { view ->
-            AddAccountDialog().show(this, presenter)
-        }
-
         val drawerLayout: DrawerLayout = findViewById(R.id.drawer_layout)
         val navView: NavigationView = findViewById(R.id.nav_view)
         val navController = findNavController(R.id.nav_host_fragment)
@@ -71,11 +70,13 @@ class MainActivity : AppCompatActivity() {
 //        )
 //
 //        setupActionBarWithNavController(navController, appBarConfiguration)
-//        navView.setupWithNavController(navController)
+//        navigationView.setupWithNavController(navController)
+
+        val floatingActionMenu = findViewById<FloatingActionMenu>(R.id.floatingActionMenu)
+        floatingActionMenuButton = MainActivityFloatingActionMenuButton(floatingActionMenu, presenter)
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
-        // Inflate the menu; this adds items to the action bar if it is present.
         menuInflater.inflate(R.menu.menu_main, menu)
 
         return true
@@ -86,6 +87,24 @@ class MainActivity : AppCompatActivity() {
 //        return navController.navigateUp(appBarConfiguration) || super.onSupportNavigateUp()
 //    }
 
+
+    override fun dispatchTouchEvent(event: MotionEvent): Boolean {
+        if(floatingActionMenuButton.handlesTouch(event)) { // close menu when menu is opened and touch is outside floatingActionMenuButton
+            return true
+        }
+
+        return super.dispatchTouchEvent(event)
+    }
+
+    override fun onBackPressed() {
+        if (floatingActionMenuButton.handlesBackButtonPress()) { // close menu when menu is opened and back button gets pressed
+            return
+        }
+
+        super.onBackPressed()
+    }
+
+
     private fun getTanFromUserOffUiThread(account: Account, tanChallenge: TanChallenge): EnterTanResult {
         val enteredTan = AtomicReference<EnterTanResult>(null)
         val tanEnteredLatch = CountDownLatch(1)
@@ -107,7 +126,6 @@ class MainActivity : AppCompatActivity() {
         val tanEnteredLatch = CountDownLatch(1)
 
         runOnUiThread {
-            // TODO: don't create a fints4javaModelMapper instance here, let MainWindowPresenter do the job
             EnterAtcDialog().show(tanMedium, this@MainActivity, false) { enteredResult ->
                 result.set(enteredResult)
                 tanEnteredLatch.countDown()
diff --git a/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/FloatingActionMenuButton.kt b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/FloatingActionMenuButton.kt
new file mode 100644
index 00000000..ab9f15a2
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/FloatingActionMenuButton.kt
@@ -0,0 +1,78 @@
+package net.dankito.banking.fints4java.android.ui.views
+
+import android.os.Bundle
+import android.view.MotionEvent
+import com.github.clans.fab.FloatingActionMenu
+import net.dankito.utils.android.extensions.isTouchInsideView
+
+
+open class FloatingActionMenuButton(protected val floatingActionMenu: FloatingActionMenu) {
+
+    companion object {
+        private const val IS_OPENED_EXTRA_NAME = "IS_OPENED"
+    }
+
+
+    private var isClosingMenu = false
+
+
+    init {
+        setup()
+    }
+
+
+    protected open fun setup() {
+        floatingActionMenu.setClosedOnTouchOutside(true)
+        floatingActionMenu.setOnMenuToggleListener { isClosingMenu = false }
+    }
+
+
+    protected open fun executeAndCloseMenu(action: () -> Unit) {
+        action() // first execute action and then close menu as when action sets menu items visibility closeMenu() would otherwise overwrite this value
+        closeMenu()
+    }
+
+    protected open fun closeMenu() {
+        isClosingMenu = true // as closing is animated it takes till animation end till floatingActionMenu.isOpened is set to true
+        floatingActionMenu.close(true)
+    }
+
+
+    open fun handlesBackButtonPress(): Boolean {
+        if(floatingActionMenu.isOpened) {
+            closeMenu()
+            return true
+        }
+
+        return false
+    }
+
+
+    open fun handlesTouch(event: MotionEvent): Boolean {
+        if(floatingActionMenu.isOpened) { // if menu is opened and user clicked somewhere else in the view, close menu
+            if(floatingActionMenu.isTouchInsideView(event) == false) {
+                closeMenu()
+
+                return true
+            }
+        }
+
+        return false
+    }
+
+
+    open fun saveInstanceState(outState: Bundle?) {
+        outState?.let {
+            outState.putBoolean(IS_OPENED_EXTRA_NAME, floatingActionMenu.isOpened && isClosingMenu == false)
+        }
+    }
+
+    open fun restoreInstanceState(savedInstanceState: Bundle?) {
+        savedInstanceState?.let {
+            if(savedInstanceState.getBoolean(IS_OPENED_EXTRA_NAME, false)) {
+                floatingActionMenu.open(false)
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/MainActivityFloatingActionMenuButton.kt b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/MainActivityFloatingActionMenuButton.kt
new file mode 100644
index 00000000..ba03959b
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/java/net/dankito/banking/fints4java/android/ui/views/MainActivityFloatingActionMenuButton.kt
@@ -0,0 +1,39 @@
+package net.dankito.banking.fints4java.android.ui.views
+
+import android.support.v7.app.AppCompatActivity
+import com.github.clans.fab.FloatingActionMenu
+import kotlinx.android.synthetic.main.view_floating_action_button_main.view.*
+import net.dankito.banking.fints4java.android.ui.MainWindowPresenter
+import net.dankito.banking.fints4java.android.ui.dialogs.AddAccountDialog
+import net.dankito.banking.fints4java.android.ui.dialogs.TransferMoneyDialog
+
+
+open class MainActivityFloatingActionMenuButton(floatingActionMenu: FloatingActionMenu, protected val presenter: MainWindowPresenter)
+    : FloatingActionMenuButton(floatingActionMenu) {
+
+    init {
+        setupButtons(floatingActionMenu)
+    }
+
+    private fun setupButtons(floatingActionMenu: FloatingActionMenu) {
+        (floatingActionMenu.context as? AppCompatActivity)?.let { activity ->
+            floatingActionMenu.fabAddAccount.setOnClickListener {
+                executeAndCloseMenu { AddAccountDialog().show(activity, presenter) }
+            }
+
+            val fabTransferMoney = floatingActionMenu.fabTransferMoney
+            fabTransferMoney.isEnabled = false
+
+            floatingActionMenu.setOnMenuToggleListener {
+                if (floatingActionMenu.isOpened) {
+                    fabTransferMoney.isEnabled = presenter.accounts.isNotEmpty()
+                }
+            }
+
+            fabTransferMoney.setOnClickListener {
+                executeAndCloseMenu { TransferMoneyDialog().show(activity, presenter, null) }
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/anim/jump_from_down.xml b/fints4javaAndroidApp/src/main/res/anim/jump_from_down.xml
new file mode 100755
index 00000000..7985e6be
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/res/anim/jump_from_down.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+     android:interpolator="@android:interpolator/overshoot">
+    <alpha
+        android:fromAlpha="0"
+        android:toAlpha="1"
+        android:duration="400" />
+    <translate
+        android:fromYDelta="30%p"
+        android:toYDelta="0"
+        android:duration="300" />
+</set>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/anim/jump_to_down.xml b/fints4javaAndroidApp/src/main/res/anim/jump_to_down.xml
new file mode 100755
index 00000000..89e3a8d6
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/res/anim/jump_to_down.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@android:anim/anticipate_interpolator">
+    <alpha
+        android:fromAlpha="1"
+        android:toAlpha="0"
+        android:duration="200" />
+    <translate
+        android:fromYDelta="0"
+        android:toYDelta="30%p"
+        android:duration="200" />
+
+</set>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/drawable/fab_label_background.xml b/fints4javaAndroidApp/src/main/res/drawable/fab_label_background.xml
new file mode 100644
index 00000000..deedf52a
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/res/drawable/fab_label_background.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <solid android:color="?attr/fabLabelBackgroundColor"/>
+
+    <padding
+        android:left="16dp"
+        android:top="4dp"
+        android:right="16dp"
+        android:bottom="4dp"/>
+
+    <corners
+        android:radius="2dp"/>
+
+</shape>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/layout/app_bar_main.xml b/fints4javaAndroidApp/src/main/res/layout/app_bar_main.xml
index 685b0e60..3cdbaa5c 100644
--- a/fints4javaAndroidApp/src/main/res/layout/app_bar_main.xml
+++ b/fints4javaAndroidApp/src/main/res/layout/app_bar_main.xml
@@ -22,12 +22,15 @@
 
     <include layout="@layout/content_main" />
 
-    <android.support.design.widget.FloatingActionButton
-            android:id="@+id/fab"
+    <include
+            layout="@layout/view_floating_action_button_main"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom|end"
-            android:layout_margin="@dimen/fab_margin"
-            app:srcCompat="@drawable/ic_add_white_48dp" />
+            android:layout_marginRight="@dimen/fab_margin"
+            android:layout_marginEnd="@dimen/fab_margin"
+            android:layout_marginBottom="@dimen/fab_margin_bottom_without_toolbar"
+            app:layout_behavior="@string/move_upward_behaviour"
+    />
 
 </android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/layout/view_floating_action_button_main.xml b/fints4javaAndroidApp/src/main/res/layout/view_floating_action_button_main.xml
new file mode 100644
index 00000000..aaed848b
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/res/layout/view_floating_action_button_main.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<com.github.clans.fab.FloatingActionMenu
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:fab="http://schemas.android.com/apk/res-auto"
+
+    android:id="@+id/floatingActionMenu"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+
+    fab:menu_labels_style="@style/MenuLabelsStyle"
+    fab:menu_shadowColor="#444"
+    fab:menu_colorNormal="?attr/colorAccent"
+    fab:menu_colorPressed="?attr/colorPrimary"
+    fab:menu_colorRipple="?attr/colorPrimaryDark"
+
+    fab:menu_animationDelayPerItem="50">
+
+
+    <com.github.clans.fab.FloatingActionButton
+        android:id="@+id/fabTransferMoney"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@style/MenuButtonsStyle"
+        fab:fab_label="@string/floating_action_menu_transfer_money"
+    />
+
+    <com.github.clans.fab.FloatingActionButton
+        android:id="@+id/fabAddAccount"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@style/MenuButtonsStyle"
+        fab:fab_label="@string/floating_action_menu_add_account"
+    />
+
+</com.github.clans.fab.FloatingActionMenu>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/values/attrs.xml b/fints4javaAndroidApp/src/main/res/values/attrs.xml
new file mode 100644
index 00000000..76ce3c7d
--- /dev/null
+++ b/fints4javaAndroidApp/src/main/res/values/attrs.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <declare-styleable name="Theme">
+
+        <attr name="fabTextColor" format="reference"/>
+        <attr name="fabLabelBackgroundColor" format="reference"/>
+        <attr name="fabShadowColor" format="reference"/>
+
+    </declare-styleable>
+
+</resources>
\ No newline at end of file
diff --git a/fints4javaAndroidApp/src/main/res/values/colors.xml b/fints4javaAndroidApp/src/main/res/values/colors.xml
index f792bb38..a0ddb022 100644
--- a/fints4javaAndroidApp/src/main/res/values/colors.xml
+++ b/fints4javaAndroidApp/src/main/res/values/colors.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
+    <color name="primaryTextColor_Dark">#BABABA</color>
+    <color name="primaryTextColor_Light">#000000</color>
+
+    <color name="backgroundColor_Dark">#303030</color>
+    <color name="backgroundColor_Light">#FFFFFF</color>
+
     <color name="positiveAmount">#00FF00</color>
     <color name="negativeAmount">#FF0000</color>
 
@@ -9,4 +15,10 @@
     <color name="list_item_bank_info_bank_supported">#ff669900</color>
     <color name="list_item_bank_info_bank_not_supported">#ffcc0000</color>
 
+
+    <color name="fabTextColor">#FFFFFF</color>
+<!--    <color name="fabLabelBackgroundColor">@color/black_semi_transparent</color>-->
+    <color name="fabLabelBackgroundColor">@color/colorAccent</color>
+    <color name="fabShadowColor">#444</color>
+
 </resources>
diff --git a/fints4javaAndroidApp/src/main/res/values/dimens.xml b/fints4javaAndroidApp/src/main/res/values/dimens.xml
index 587cf016..47b9addc 100644
--- a/fints4javaAndroidApp/src/main/res/values/dimens.xml
+++ b/fints4javaAndroidApp/src/main/res/values/dimens.xml
@@ -5,6 +5,8 @@
     <dimen name="nav_header_vertical_spacing">8dp</dimen>
     <dimen name="nav_header_height">176dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
+    <dimen name="fab_margin_bottom_without_toolbar">16dp</dimen>
+    <dimen name="fab_margin_bottom_with_toolbar">42dp</dimen>
 
     <dimen name="list_item_account_transaction_height">100dp</dimen>
     <dimen name="list_item_account_transaction_padding">4dp</dimen>
diff --git a/fints4javaAndroidApp/src/main/res/values/strings.xml b/fints4javaAndroidApp/src/main/res/values/strings.xml
index d582b541..ca7ada80 100644
--- a/fints4javaAndroidApp/src/main/res/values/strings.xml
+++ b/fints4javaAndroidApp/src/main/res/values/strings.xml
@@ -17,6 +17,9 @@
     <string name="nav_header_subtitle">android.studio@android.com</string>
     <string name="nav_header_desc">Navigation header</string>
 
+    <string name="floating_action_menu_add_account">Account</string>
+    <string name="floating_action_menu_transfer_money">Transfer money</string>
+
     <string name="menu_home">Home</string>
 
     <string name="menu_main_update_transactions">Update transactions</string>
diff --git a/fints4javaAndroidApp/src/main/res/values/styles.xml b/fints4javaAndroidApp/src/main/res/values/styles.xml
index 545b9c6d..b0aa1e40 100644
--- a/fints4javaAndroidApp/src/main/res/values/styles.xml
+++ b/fints4javaAndroidApp/src/main/res/values/styles.xml
@@ -6,6 +6,10 @@
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
+
+        <item name="fabTextColor">@color/fabTextColor</item>
+        <item name="fabLabelBackgroundColor">@color/fabLabelBackgroundColor</item>
+        <item name="fabShadowColor">@color/fabShadowColor</item>
     </style>
 
     <style name="AppTheme.NoActionBar">
@@ -17,4 +21,40 @@
 
     <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
 
+
+    <!-- Floating Action Button -->
+
+    <style name="MenuLabelsStyle">
+        <item name="android:background">@drawable/fab_label_background</item>
+        <item name="android:textColor">?attr/fabTextColor</item>
+        <item name="android:textSize">14sp</item>
+        <item name="android:maxLines">2</item>
+        <item name="android:ellipsize">end</item>
+        <item name="android:gravity">center_vertical</item>
+
+        <item name="menu_shadowColor">?attr/fabShadowColor</item>
+        <item name="menu_colorNormal">?attr/colorPrimary</item>
+        <item name="menu_colorPressed">?attr/colorAccent</item>
+        <item name="menu_colorRipple">?attr/colorPrimaryDark</item>
+
+        <item name="fab_showAnimation">@anim/jump_from_down</item>
+        <item name="fab_hideAnimation">@anim/jump_to_down</item>
+    </style>
+
+    <style name="MenuButtonsStyle">
+        <item name="android:textColor">?attr/fabTextColor</item>
+
+        <item name="fab_size">mini</item>
+
+        <item name="fab_shadowColor">?attr/fabShadowColor</item>
+        <item name="fab_colorNormal">?attr/colorAccent</item>
+        <item name="fab_colorPressed">?attr/colorPrimary</item>
+        <item name="fab_colorRipple">?attr/colorPrimaryDark</item>
+
+        <item name="fab_showAnimation">@anim/jump_from_down</item>
+        <item name="fab_hideAnimation">@anim/jump_to_down</item>
+
+        <item name="android:src">@drawable/fab_add</item>
+    </style>
+
 </resources>