Use 'com.getbase.floatingactionbutton' with custom behavior

app/build.gradle

@@ -28,4 +28,5 @@ dependencies {
   compile fileTree(dir: 'libs', include: ['*.jar'])
   compile 'com.android.support:appcompat-v7:22.2.0'
   compile 'com.android.support:design:22.2.0'
+  compile 'com.getbase:floatingactionbutton:1.9.1'
 }

app/src/main/java/com/getbase/coordinatorlayoutdemo/FloatingActionButtonBehavior.java

@@ -0,0 +1,27 @@
+package com.getbase.coordinatorlayoutdemo;
+
+import com.getbase.floatingactionbutton.FloatingActionButton;
+
+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;
+
+public class FloatingActionButtonBehavior extends CoordinatorLayout.Behavior<FloatingActionButton> {
+
+  public FloatingActionButtonBehavior(Context context, AttributeSet attrs) {
+  }
+
+  @Override
+  public boolean layoutDependsOn(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
+    return dependency instanceof SnackbarLayout;
+  }
+
+  @Override
+  public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
+    float translationY = Math.min(0, dependency.getTranslationY() - dependency.getHeight());
+    child.setTranslationY(translationY);
+    return true;
+  }
+}

app/src/main/res/layout/activity_main.xml

@@ -1,15 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <android.support.design.widget.FloatingActionButton
+    <com.getbase.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="end|bottom"
         android:layout_margin="16dp"
-        android:src="@drawable/ic_done" />
+        app:layout_behavior="com.getbase.coordinatorlayoutdemo.FloatingActionButtonBehavior"
+        app:fab_icon="@drawable/ic_done" />
 
 </android.support.design.widget.CoordinatorLayout>