diff --git a/proguard.flags b/proguard.flags
index 38d4050..185d5eb 100644
--- a/proguard.flags
+++ b/proguard.flags
@@ -12,4 +12,9 @@
 @com.android.dialer.NeededForReflection *;
 }
 
+# For design libraries
+-keep public class * extends android.support.design.widget.CoordinatorLayout$Behavior {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
 -verbose
diff --git a/res/layout/dialtacts_activity.xml b/res/layout/dialtacts_activity.xml
index 0f1f2bb..782d4f3 100644
--- a/res/layout/dialtacts_activity.xml
+++ b/res/layout/dialtacts_activity.xml
@@ -13,8 +13,9 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<FrameLayout
+<android.support.design.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/dialtacts_mainlayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -43,7 +44,8 @@
         android:layout_width="@dimen/floating_action_button_width"
         android:layout_height="@dimen/floating_action_button_height"
         android:layout_marginBottom="@dimen/floating_action_button_margin_bottom"
-        android:layout_gravity="center_horizontal|bottom">
+        android:layout_gravity="center_horizontal|bottom"
+        app:layout_behavior="com.android.dialer.FloatingActionButtonBehavior">
 
         <ImageButton
             android:id="@+id/floating_action_button"
@@ -68,4 +70,4 @@
             android:importantForAccessibility="no" />
     </FrameLayout>
 
-</FrameLayout>
+</android.support.design.widget.CoordinatorLayout>
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 4ade04a..6d8ed61 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -30,6 +30,7 @@
 import android.os.Trace;
 import android.provider.CallLog.Calls;
 import android.speech.RecognizerIntent;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
 import android.telecom.PhoneAccount;
@@ -52,7 +53,6 @@
 import android.view.animation.AnimationUtils;
 import android.widget.AbsListView.OnScrollListener;
 import android.widget.EditText;
-import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.PopupMenu;
 import android.widget.TextView;
@@ -143,7 +143,7 @@
 
     private static final int FAB_SCALE_IN_DELAY_MS = 300;
 
-    private FrameLayout mParentLayout;
+    private CoordinatorLayout mParentLayout;
 
     /**
      * Fragment containing the dialpad that slides into view
@@ -468,7 +468,7 @@
         mSlideIn.setAnimationListener(mSlideInListener);
         mSlideOut.setAnimationListener(mSlideOutListener);
 
-        mParentLayout = (FrameLayout) findViewById(R.id.dialtacts_mainlayout);
+        mParentLayout = (CoordinatorLayout) findViewById(R.id.dialtacts_mainlayout);
         mParentLayout.setOnDragListener(new LayoutOnDragListener());
         floatingActionButtonContainer.getViewTreeObserver().addOnGlobalLayoutListener(
                 new ViewTreeObserver.OnGlobalLayoutListener() {
diff --git a/src/com/android/dialer/FloatingActionButtonBehavior.java b/src/com/android/dialer/FloatingActionButtonBehavior.java
new file mode 100644
index 0000000..8a407bd
--- /dev/null
+++ b/src/com/android/dialer/FloatingActionButtonBehavior.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.dialer;
+
+import android.content.Context;
+import android.support.design.widget.CoordinatorLayout;
+import android.support.design.widget.Snackbar.SnackbarLayout;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.FrameLayout;
+
+/**
+ * Implements custom behavior for the movement of the FAB in response to the Snackbar.
+ * Because we are not using the design framework FloatingActionButton widget, we need to manually
+ * implement the Material Design behavior of having the FAB translate upward and downward with
+ * the appearance and disappearance of a Snackbar.
+ */
+public class FloatingActionButtonBehavior extends CoordinatorLayout.Behavior<FrameLayout> {
+    public FloatingActionButtonBehavior(Context context, AttributeSet attrs) {
+    }
+
+    @Override
+    public boolean layoutDependsOn(CoordinatorLayout parent, FrameLayout child, View dependency) {
+        // This needs to return true to trigger the callback correctly.
+        return true;
+    }
+
+    @Override
+    public boolean onDependentViewChanged(CoordinatorLayout parent, FrameLayout child,
+            View dependency) {
+        if (dependency instanceof SnackbarLayout) {
+            float translationY = Math.min(0, dependency.getTranslationY() - dependency.getHeight());
+            child.setTranslationY(translationY);
+        }
+        return true;
+    }
+}