diff --git a/.gitignore b/.gitignore
index 39fb081..e8267b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /build
 /captures
 .externalNativeBuild
+*.apk
diff --git a/app/build.gradle b/app/build.gradle
index 45d912c..3f81d01 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,7 +8,7 @@ android {
         minSdkVersion 15
         targetSdkVersion 25
         versionCode 1
-        versionName "v0.2.0"
+        versionName "v0.2.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index ea04447..10196f8 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -8,10 +8,25 @@
     tools:context="net.iopush.jarvis.MainActivity"
     android:id="@+id/mainActivity">
 
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/recyclerViewConversation"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginRight="8dp"
+        app:layout_constraintRight_toRightOf="parent"
+        android:layout_marginLeft="8dp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginTop="8dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:layout_marginBottom="8dp" />
+
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/btnSpeak"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        app:layout_anchor="@id/recyclerViewConversation"
+        app:layout_anchorGravity="bottom|right|end"
         android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
         android:layout_marginRight="8dp"
@@ -20,29 +35,19 @@
         app:layout_constraintRight_toRightOf="parent"
         app:srcCompat="@drawable/mic_ico" />
 
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/recyclerViewConversation"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:layout_marginRight="8dp"
-        app:layout_constraintRight_toRightOf="parent"
-        android:layout_marginLeft="8dp"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        android:layout_marginTop="8dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        android:layout_marginBottom="8dp" />
-
     <ProgressBar
         android:id="@+id/pBarWaitingJArvis"
         style="android:attr/progressBarStyle"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        app:layout_anchor="@id/recyclerViewConversation"
+        app:layout_anchorGravity="bottom|right|end"
         android:layout_marginBottom="8dp"
         android:layout_marginRight="8dp"
+        android:elevation="6dp"
         android:visibility="invisible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintRight_toRightOf="parent" />
 
 
-</android.support.constraint.ConstraintLayout>
+</android.support.design.widget.CoordinatorLayout>