Merge changes from topic "User Switcher CP to Master"

* changes:
  Fix users not showing up in fullscreen selection.
  Update user names on changes in settings/user.
  Add expand icon for user switcher.
  Cascade animation of users in switcher.
  Add pagination dots and fix animation of user switcher.
diff --git a/packages/SystemUI/res/anim/car_user_switcher_close_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_close_animation.xml
new file mode 100644
index 0000000..ed637a7
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_close_animation.xml
@@ -0,0 +1,20 @@
+<!-- Copyright (C) 2017 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.
+-->
+<animator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="133"
+    android:valueType="intType"
+    android:valueFrom="@dimen/car_user_switcher_container_height"
+    android:valueTo="0"
+    android:interpolator="@android:interpolator/fast_out_slow_in" />
diff --git a/packages/SystemUI/res/anim/car_user_switcher_close_icon_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_close_icon_animation.xml
new file mode 100644
index 0000000..227c981
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_close_icon_animation.xml
@@ -0,0 +1,24 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="167"
+        android:propertyName="rotation"
+        android:valueType="floatType"
+        android:valueFrom="180"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/fast_out_slow_in" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_close_name_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_close_name_animation.xml
new file mode 100644
index 0000000..5901ff4
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_close_name_animation.xml
@@ -0,0 +1,23 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="83"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_close_pages_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_close_pages_animation.xml
new file mode 100644
index 0000000..41cbe4b
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_close_pages_animation.xml
@@ -0,0 +1,23 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="83"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="1"
+        android:valueTo="0" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_close_pod_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_close_pod_animation.xml
new file mode 100644
index 0000000..341e7e0cd
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_close_pod_animation.xml
@@ -0,0 +1,24 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:ordering="together" >
+
+    <objectAnimator
+        android:duration="50"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="1"
+        android:valueTo="0" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_open_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_open_animation.xml
new file mode 100644
index 0000000..6ae7413
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_open_animation.xml
@@ -0,0 +1,20 @@
+<!-- Copyright (C) 2017 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.
+-->
+<animator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="200"
+    android:valueType="intType"
+    android:valueFrom="0"
+    android:valueTo="@dimen/car_user_switcher_container_height"
+    android:interpolator="@android:interpolator/fast_out_slow_in" />
diff --git a/packages/SystemUI/res/anim/car_user_switcher_open_icon_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_open_icon_animation.xml
new file mode 100644
index 0000000..06ac9e3
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_open_icon_animation.xml
@@ -0,0 +1,24 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="167"
+        android:propertyName="rotation"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="180"
+        android:interpolator="@android:interpolator/fast_out_slow_in" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_open_name_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_open_name_animation.xml
new file mode 100644
index 0000000..4baefb8
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_open_name_animation.xml
@@ -0,0 +1,24 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="83"
+        android:startOffset="83"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="1"
+        android:valueTo="0" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_open_pages_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_open_pages_animation.xml
new file mode 100644
index 0000000..2d0deb9
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_open_pages_animation.xml
@@ -0,0 +1,24 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <objectAnimator
+        android:duration="83"
+        android:startOffset="83"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/anim/car_user_switcher_open_pod_animation.xml b/packages/SystemUI/res/anim/car_user_switcher_open_pod_animation.xml
new file mode 100644
index 0000000..3315220
--- /dev/null
+++ b/packages/SystemUI/res/anim/car_user_switcher_open_pod_animation.xml
@@ -0,0 +1,33 @@
+<!-- Copyright (C) 2017 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.
+-->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:ordering="together" >
+
+    <objectAnimator
+        android:duration="167"
+        android:startOffset="67"
+        android:propertyName="translationY"
+        android:valueType="floatType"
+        android:valueFrom="@dimen/car_user_switcher_container_anim_height"
+        android:valueTo="0"
+        android:interpolator="@android:interpolator/fast_out_slow_in" />
+    <objectAnimator
+        android:duration="83"
+        android:startOffset="117"
+        android:propertyName="alpha"
+        android:valueType="floatType"
+        android:valueFrom="0"
+        android:valueTo="1" />
+</set>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/car_ic_arrow.xml b/packages/SystemUI/res/drawable/car_ic_arrow.xml
index 2c5ad27..d400ed8 100644
--- a/packages/SystemUI/res/drawable/car_ic_arrow.xml
+++ b/packages/SystemUI/res/drawable/car_ic_arrow.xml
@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2015 The Android Open Source Project
+  ~ Copyright (C) 2017 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.
diff --git a/packages/SystemUI/res/drawable/car_ic_arrow_drop_up.xml b/packages/SystemUI/res/drawable/car_ic_arrow_drop_up.xml
new file mode 100644
index 0000000..33a512e
--- /dev/null
+++ b/packages/SystemUI/res/drawable/car_ic_arrow_drop_up.xml
@@ -0,0 +1,24 @@
+<!--
+  ~ 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
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="48.0dp"
+        android:height="48.0dp"
+        android:viewportWidth="48.0"
+        android:viewportHeight="48.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M14 28l10-10 10 10z"/>
+</vector>
diff --git a/packages/SystemUI/res/layout/car_fullscreen_user_pod.xml b/packages/SystemUI/res/layout/car_fullscreen_user_pod.xml
index 2f16516..0ee40d7 100644
--- a/packages/SystemUI/res/layout/car_fullscreen_user_pod.xml
+++ b/packages/SystemUI/res/layout/car_fullscreen_user_pod.xml
@@ -15,27 +15,40 @@
      limitations under the License.
 -->
 
-<LinearLayout
+<RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
+    android:clipChildren="false"
+    android:alpha="0"
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:gravity="center" >
+    android:layout_height="@dimen/car_fullscreen_user_pod_height"
+    android:layout_gravity="center_horizontal|bottom" >
 
     <ImageView android:id="@+id/user_avatar"
-        android:layout_gravity="center"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="@dimen/car_fullscreen_user_pod_margin_image_top"
         android:layout_width="@dimen/car_fullscreen_user_pod_image_avatar_width"
-        android:layout_height="@dimen/car_fullscreen_user_pod_image_avatar_height" />
+        android:layout_height="@dimen/car_fullscreen_user_pod_image_avatar_height"
+        android:layout_above="@id/user_name" />
 
     <TextView android:id="@+id/user_name"
         android:layout_width="@dimen/car_fullscreen_user_pod_width"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/car_fullscreen_user_pod_margin_name_top"
         android:layout_marginBottom="@dimen/car_fullscreen_user_pod_margin_name_bottom"
-        android:textSize="@dimen/car_fullscreen_user_pod_text_size"
+        android:textSize="@dimen/car_fullscreen_user_pod_name_text_size"
         android:textColor="@color/qs_user_detail_name"
         android:ellipsize="end"
         android:singleLine="true"
         android:gravity="center_horizontal"
-        android:layout_gravity="center_horizontal" />
-</LinearLayout>
+        android:layout_above="@id/device_name" />
+
+    <TextView android:id="@+id/device_name"
+        android:layout_width="@dimen/car_fullscreen_user_pod_width"
+        android:layout_height="wrap_content"
+        android:textSize="@dimen/car_fullscreen_user_pod_device_text_size"
+        android:textColor="@color/qs_user_detail_name"
+        android:ellipsize="end"
+        android:singleLine="true"
+        android:gravity="center_horizontal"
+        android:layout_alignParentBottom="true" />
+</RelativeLayout>
diff --git a/packages/SystemUI/res/layout/car_fullscreen_user_pod_container.xml b/packages/SystemUI/res/layout/car_fullscreen_user_pod_container.xml
index 99d010f..d666a20 100644
--- a/packages/SystemUI/res/layout/car_fullscreen_user_pod_container.xml
+++ b/packages/SystemUI/res/layout/car_fullscreen_user_pod_container.xml
@@ -16,10 +16,10 @@
 -->
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    android:clipChildren="false"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:gravity="center"
-    android:layout_gravity="center" >
+    android:gravity="center" >
 
     <!-- car_fullscreen_user_pods will be dynamically added here. -->
 </LinearLayout>
diff --git a/packages/SystemUI/res/layout/car_fullscreen_user_switcher.xml b/packages/SystemUI/res/layout/car_fullscreen_user_switcher.xml
index 257e281..478b656 100644
--- a/packages/SystemUI/res/layout/car_fullscreen_user_switcher.xml
+++ b/packages/SystemUI/res/layout/car_fullscreen_user_switcher.xml
@@ -54,13 +54,13 @@
             android:layout_height="wrap_content"
             android:layout_marginLeft="@dimen/car_margin"
             android:layout_marginRight="@dimen/car_margin"
+            android:layout_marginBottom="@dimen/car_user_grid_margin_bottom"
             android:layout_centerInParent="true" />
 
         <com.android.systemui.statusbar.car.PageIndicator
             android:id="@+id/user_switcher_page_indicator"
             android:layout_width="match_parent"
             android:layout_height="@dimen/car_page_indicator_dot_diameter"
-            android:layout_marginTop="@dimen/car_page_indicator_margin_top"
             android:layout_below="@+id/user_grid" />
 
         <Button
diff --git a/packages/SystemUI/res/layout/car_qs_footer.xml b/packages/SystemUI/res/layout/car_qs_footer.xml
index 044090b..3afd4ea 100644
--- a/packages/SystemUI/res/layout/car_qs_footer.xml
+++ b/packages/SystemUI/res/layout/car_qs_footer.xml
@@ -35,7 +35,6 @@
         android:layout_centerVertical="true"
         android:layout_width="@dimen/car_qs_footer_icon_width"
         android:layout_height="@dimen/car_qs_footer_icon_height"
-        android:layout_marginRight="@dimen/car_qs_footer_user_switch_margin_right"
         android:background="@drawable/ripple_drawable"
         android:focusable="true">
 
@@ -47,6 +46,18 @@
             android:scaleType="fitCenter"/>
     </com.android.systemui.statusbar.phone.MultiUserSwitch>
 
+    <ImageView
+        android:id="@+id/user_switch_expand_icon"
+        android:layout_height="match_parent"
+        android:layout_width="@dimen/car_qs_footer_user_switch_icon_width"
+        android:layout_centerVertical="true"
+        android:layout_toEndOf="@+id/multi_user_switch"
+        android:layout_marginLeft="@dimen/car_qs_footer_user_switch_icon_margin"
+        android:layout_marginRight="@dimen/car_qs_footer_user_switch_icon_margin"
+        android:src="@drawable/car_ic_arrow_drop_up"
+        android:scaleType="fitCenter">
+    </ImageView>
+
     <TextView android:id="@+id/user_name"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -54,7 +65,7 @@
         android:textColor="@color/car_qs_footer_user_name_color"
         android:gravity="start|center_vertical"
         android:layout_centerVertical="true"
-        android:layout_toEndOf="@id/multi_user_switch" />
+        android:layout_toEndOf="@id/user_switch_expand_icon" />
 
     <com.android.systemui.statusbar.phone.SettingsButton
         android:id="@+id/settings_button"
diff --git a/packages/SystemUI/res/layout/car_qs_panel.xml b/packages/SystemUI/res/layout/car_qs_panel.xml
index 4cb0fd5..7844cac 100644
--- a/packages/SystemUI/res/layout/car_qs_panel.xml
+++ b/packages/SystemUI/res/layout/car_qs_panel.xml
@@ -16,6 +16,7 @@
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/quick_settings_container"
+    android:clipChildren="false"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="@color/car_qs_background_primary"
@@ -26,10 +27,32 @@
     <include layout="@layout/car_status_bar_header"/>
     <include layout="@layout/car_qs_footer"/>
 
-    <com.android.systemui.statusbar.car.UserGridView
-        android:id="@+id/user_grid"
+    <RelativeLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/user_switcher_container"
+        android:clipChildren="false"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/car_margin"
-        android:layout_marginRight="@dimen/car_margin" />
+        android:layout_height="@dimen/car_user_switcher_container_height"
+        android:layout_gravity="center_horizontal" >
+
+        <com.android.systemui.statusbar.car.UserGridView
+            android:id="@+id/user_grid"
+            android:clipChildren="false"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="@dimen/car_margin"
+            android:layout_marginRight="@dimen/car_margin"
+            android:layout_marginBottom="@dimen/car_user_grid_margin_bottom"
+            android:layout_above="@id/user_switcher_page_indicator" />
+
+        <com.android.systemui.statusbar.car.PageIndicator
+            android:id="@+id/user_switcher_page_indicator"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/car_page_indicator_dot_diameter"
+            android:layout_marginBottom="@dimen/car_page_indicator_margin_bottom"
+            android:alpha="0"
+            android:layout_alignParentBottom="true" />
+
+    </RelativeLayout>
+
 </LinearLayout>
diff --git a/packages/SystemUI/res/values/dimens_car.xml b/packages/SystemUI/res/values/dimens_car.xml
index 8853587..f3c9f89 100644
--- a/packages/SystemUI/res/values/dimens_car.xml
+++ b/packages/SystemUI/res/values/dimens_car.xml
@@ -18,20 +18,23 @@
 <resources>
     <dimen name="car_margin">148dp</dimen>
 
+    <dimen name="car_fullscreen_user_pod_margin_image_top">24dp</dimen>
     <dimen name="car_fullscreen_user_pod_margin_name_top">24dp</dimen>
-    <dimen name="car_fullscreen_user_pod_margin_name_bottom">64dp</dimen>
+    <dimen name="car_fullscreen_user_pod_margin_name_bottom">20dp</dimen>
     <dimen name="car_fullscreen_user_pod_margin_between">24dp</dimen>
     <dimen name="car_fullscreen_user_pod_icon_text_size">96dp</dimen>
     <dimen name="car_fullscreen_user_pod_image_avatar_width">192dp</dimen>
     <dimen name="car_fullscreen_user_pod_image_avatar_height">192dp</dimen>
     <dimen name="car_fullscreen_user_pod_width">264dp</dimen>
-    <dimen name="car_fullscreen_user_pod_text_size">40sp</dimen> <!-- B1 -->
+    <dimen name="car_fullscreen_user_pod_height">356dp</dimen>
+    <dimen name="car_fullscreen_user_pod_name_text_size">40sp</dimen> <!-- B1 -->
+    <dimen name="car_fullscreen_user_pod_device_text_size">@dimen/car_body2_size</dimen>
 
     <dimen name="car_navigation_button_width">64dp</dimen>
     <dimen name="car_navigation_bar_width">760dp</dimen>
 
     <dimen name="car_page_indicator_dot_diameter">12dp</dimen>
-    <dimen name="car_page_indicator_margin_top">32dp</dimen>
+    <dimen name="car_page_indicator_margin_bottom">24dp</dimen>
 
     <dimen name="car_user_switcher_progress_bar_height">6dp</dimen>
     <dimen name="car_user_switcher_progress_bar_margin_top">@dimen/status_bar_height</dimen>
@@ -47,8 +50,14 @@
     <dimen name="car_qs_footer_padding_start">46dp</dimen>
     <dimen name="car_qs_footer_icon_width">56dp</dimen>
     <dimen name="car_qs_footer_icon_height">56dp</dimen>
-    <dimen name="car_qs_footer_user_switch_margin_right">46dp</dimen>
+    <dimen name="car_qs_footer_user_switch_icon_margin">5dp</dimen>
+    <dimen name="car_qs_footer_user_switch_icon_width">36dp</dimen>
     <dimen name="car_qs_footer_user_name_text_size">@dimen/car_body2_size</dimen>
 
+    <dimen name="car_user_switcher_container_height">420dp</dimen>
+    <!-- This must be the negative of car_user_switcher_container_height for the animation. -->
+    <dimen name="car_user_switcher_container_anim_height">-420dp</dimen>
+    <dimen name="car_user_grid_margin_bottom">28dp</dimen>
+
     <dimen name="car_body2_size">26sp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values/integers_car.xml b/packages/SystemUI/res/values/integers_car.xml
index 320ee9f..f84dd4b 100644
--- a/packages/SystemUI/res/values/integers_car.xml
+++ b/packages/SystemUI/res/values/integers_car.xml
@@ -19,4 +19,5 @@
     <integer name="car_user_switcher_timeout_ms">15000</integer>
     <!-- This values less than ProgressBar.PROGRESS_ANIM_DURATION for a smooth animation. -->
     <integer name="car_user_switcher_anim_update_ms">60</integer>
+    <integer name="car_user_switcher_anim_cascade_delay_ms">27</integer>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFooter.java b/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFooter.java
index 142aab2..23d3ebbb 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFooter.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFooter.java
@@ -47,7 +47,7 @@
     private MultiUserSwitch mMultiUserSwitch;
     private TextView mUserName;
     private ImageView mMultiUserAvatar;
-    private UserGridView mUserGridView;
+    private CarQSFragment.UserSwitchCallback mUserSwitchCallback;
 
     public CarQSFooter(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -63,15 +63,15 @@
         mUserInfoController = Dependency.get(UserInfoController.class);
 
         mMultiUserSwitch.setOnClickListener(v -> {
-            if (mUserGridView == null) {
+            if (mUserSwitchCallback == null) {
                 Log.e(TAG, "CarQSFooter not properly set up; cannot display user switcher.");
                 return;
             }
 
-            if (!mUserGridView.isShowing()) {
-                mUserGridView.show();
+            if (!mUserSwitchCallback.isShowing()) {
+                mUserSwitchCallback.show();
             } else {
-                mUserGridView.hide();
+                mUserSwitchCallback.hide();
             }
         });
 
@@ -102,8 +102,8 @@
         }
     }
 
-    public void setUserGridView(UserGridView view) {
-        mUserGridView = view;
+    public void setUserSwitchCallback(CarQSFragment.UserSwitchCallback callback) {
+        mUserSwitchCallback = callback;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFragment.java b/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFragment.java
index 13298d3..0ee6d1f 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/car/CarQSFragment.java
@@ -13,6 +13,12 @@
  */
 package com.android.systemui.qs.car;
 
+import android.animation.Animator;
+import android.animation.AnimatorInflater;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
 import android.app.Fragment;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -26,18 +32,29 @@
 import com.android.systemui.R;
 import com.android.systemui.plugins.qs.QS;
 import com.android.systemui.qs.QSFooter;
+import com.android.systemui.statusbar.car.PageIndicator;
 import com.android.systemui.statusbar.car.UserGridView;
 import com.android.systemui.statusbar.policy.UserSwitcherController;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * A quick settings fragment for the car. For auto, there is no row for quick settings or ability
  * to expand the quick settings panel. Instead, the only thing is that displayed is the
  * status bar, and a static row with access to the user switcher and settings.
  */
 public class CarQSFragment extends Fragment implements QS {
+    private ViewGroup mPanel;
     private View mHeader;
+    private View mUserSwitcherContainer;
     private CarQSFooter mFooter;
+    private View mFooterUserName;
+    private View mFooterExpandIcon;
     private UserGridView mUserGridView;
+    private PageIndicator mPageIndicator;
+    private AnimatorSet mAnimatorSet;
+    private UserSwitchCallback mUserSwitchCallback;
 
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@@ -48,14 +65,26 @@
     @Override
     public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
+        mPanel = (ViewGroup) view;
         mHeader = view.findViewById(R.id.header);
         mFooter = view.findViewById(R.id.qs_footer);
+        mFooterUserName = mFooter.findViewById(R.id.user_name);
+        mFooterExpandIcon = mFooter.findViewById(R.id.user_switch_expand_icon);
+
+        mUserSwitcherContainer = view.findViewById(R.id.user_switcher_container);
+
+        updateUserSwitcherHeight(0);
 
         mUserGridView = view.findViewById(R.id.user_grid);
         mUserGridView.init(null, Dependency.get(UserSwitcherController.class),
-                false /* showInitially */);
+                false /* overrideAlpha */);
 
-        mFooter.setUserGridView(mUserGridView);
+        mPageIndicator = view.findViewById(R.id.user_switcher_page_indicator);
+        mPageIndicator.setupWithViewPager(mUserGridView);
+
+        mUserSwitchCallback = new UserSwitchCallback();
+        mFooter.setUserSwitchCallback(mUserSwitchCallback);
+        mUserGridView.setUserSwitchCallback(mUserSwitchCallback);
     }
 
     @Override
@@ -82,11 +111,13 @@
     @Override
     public void setHeaderListening(boolean listening) {
         mFooter.setListening(listening);
+        mUserGridView.setListening(listening);
     }
 
     @Override
     public void setListening(boolean listening) {
         mFooter.setListening(listening);
+        mUserGridView.setListening(listening);
     }
 
     @Override
@@ -171,4 +202,126 @@
     public void setExpandClickListener(OnClickListener onClickListener) {
         // No ability to expand the quick settings.
     }
+
+    public class UserSwitchCallback {
+        private boolean mShowing;
+
+        public boolean isShowing() {
+            return mShowing;
+        }
+
+        public void show() {
+            mShowing = true;
+            animateHeightChange(true /* opening */);
+        }
+
+        public void hide() {
+            mShowing = false;
+            animateHeightChange(false /* opening */);
+        }
+
+        public void resetShowing() {
+            if (mShowing) {
+                for (int i = 0; i < mUserGridView.getChildCount(); i++) {
+                    ViewGroup podContainer = (ViewGroup) mUserGridView.getChildAt(i);
+                    // Need to bring the last child to the front to maintain the order in the pod
+                    // container. Why? ¯\_(ツ)_/¯
+                    if (podContainer.getChildCount() > 0) {
+                        podContainer.getChildAt(podContainer.getChildCount() - 1).bringToFront();
+                    }
+                    // The alpha values are default to 0, so if the pods have been refreshed, they
+                    // need to be set to 1 when showing.
+                    for (int j = 0; j < podContainer.getChildCount(); j++) {
+                        podContainer.getChildAt(j).setAlpha(1f);
+                    }
+                }
+            }
+        }
+    }
+
+    private void updateUserSwitcherHeight(int height) {
+        ViewGroup.LayoutParams layoutParams = mUserSwitcherContainer.getLayoutParams();
+        layoutParams.height = height;
+        mUserSwitcherContainer.requestLayout();
+    }
+
+    private void animateHeightChange(boolean opening) {
+        // Animation in progress; cancel it to avoid contention.
+        if (mAnimatorSet != null){
+            mAnimatorSet.cancel();
+        }
+
+        List<Animator> allAnimators = new ArrayList<>();
+        ValueAnimator heightAnimator = (ValueAnimator) AnimatorInflater.loadAnimator(getContext(),
+                opening ? R.anim.car_user_switcher_open_animation
+                        : R.anim.car_user_switcher_close_animation);
+        heightAnimator.addUpdateListener(valueAnimator -> {
+            updateUserSwitcherHeight((Integer) valueAnimator.getAnimatedValue());
+        });
+        allAnimators.add(heightAnimator);
+
+        // The user grid contains pod containers that each contain a number of pods.  Animate
+        // all pods to avoid any discrepancy/race conditions with possible changes during the
+        // animation.
+        int cascadeDelay = getResources().getInteger(
+                R.integer.car_user_switcher_anim_cascade_delay_ms);
+        for (int i = 0; i < mUserGridView.getChildCount(); i++) {
+            ViewGroup podContainer = (ViewGroup) mUserGridView.getChildAt(i);
+            for (int j = 0; j < podContainer.getChildCount(); j++) {
+                View pod = podContainer.getChildAt(j);
+                Animator podAnimator = AnimatorInflater.loadAnimator(getContext(),
+                        opening ? R.anim.car_user_switcher_open_pod_animation
+                                : R.anim.car_user_switcher_close_pod_animation);
+                // Add the cascading delay between pods
+                if (opening) {
+                    podAnimator.setStartDelay(podAnimator.getStartDelay() + j * cascadeDelay);
+                }
+                podAnimator.setTarget(pod);
+                allAnimators.add(podAnimator);
+            }
+        }
+
+        Animator nameAnimator = AnimatorInflater.loadAnimator(getContext(),
+                opening ? R.anim.car_user_switcher_open_name_animation
+                        : R.anim.car_user_switcher_close_name_animation);
+        nameAnimator.setTarget(mFooterUserName);
+        allAnimators.add(nameAnimator);
+
+        Animator iconAnimator = AnimatorInflater.loadAnimator(getContext(),
+                opening ? R.anim.car_user_switcher_open_icon_animation
+                        : R.anim.car_user_switcher_close_icon_animation);
+        iconAnimator.setTarget(mFooterExpandIcon);
+        allAnimators.add(iconAnimator);
+
+        Animator pageAnimator = AnimatorInflater.loadAnimator(getContext(),
+                opening ? R.anim.car_user_switcher_open_pages_animation
+                        : R.anim.car_user_switcher_close_pages_animation);
+        pageAnimator.setTarget(mPageIndicator);
+        allAnimators.add(pageAnimator);
+
+        mAnimatorSet = new AnimatorSet();
+        mAnimatorSet.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mAnimatorSet = null;
+            }
+        });
+        mAnimatorSet.playTogether(allAnimators.toArray(new Animator[0]));
+
+        // Setup all values to the start values in the animations, since there are delays, but need
+        // to have all values start at the beginning.
+        setupInitialValues(mAnimatorSet);
+
+        mAnimatorSet.start();
+    }
+
+    private void setupInitialValues(Animator anim) {
+        if (anim instanceof AnimatorSet) {
+            for (Animator a : ((AnimatorSet) anim).getChildAnimations()) {
+                setupInitialValues(a);
+            }
+        } else if (anim instanceof ObjectAnimator) {
+            ((ObjectAnimator) anim).setCurrentFraction(0.0f);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/car/FullscreenUserSwitcher.java b/packages/SystemUI/src/com/android/systemui/statusbar/car/FullscreenUserSwitcher.java
index 172c62a..3ec8913 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/car/FullscreenUserSwitcher.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/car/FullscreenUserSwitcher.java
@@ -53,7 +53,7 @@
         mParent = containerStub.inflate();
         mContainer = mParent.findViewById(R.id.container);
         mUserGridView = mContainer.findViewById(R.id.user_grid);
-        mUserGridView.init(statusBar, mUserSwitcherController, true /* showInitially */);
+        mUserGridView.init(statusBar, mUserSwitcherController, true /* overrideAlpha */);
         mUserGridView.setUserSelectionListener(record -> {
             if (!record.isCurrent) {
                 toggleSwitchInProgress(true);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/car/UserGridView.java b/packages/SystemUI/src/com/android/systemui/statusbar/car/UserGridView.java
index e551801..1bd820d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/car/UserGridView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/car/UserGridView.java
@@ -16,9 +16,6 @@
 
 package com.android.systemui.statusbar.car;
 
-import android.animation.Animator;
-import android.animation.Animator.AnimatorListener;
-import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ -29,62 +26,110 @@
 import android.graphics.drawable.GradientDrawable;
 import android.support.v4.view.PagerAdapter;
 import android.support.v4.view.ViewPager;
-import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import com.android.systemui.Dependency;
 import com.android.systemui.R;
+import com.android.systemui.qs.car.CarQSFragment;
 import com.android.systemui.statusbar.phone.StatusBar;
+import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.statusbar.policy.UserSwitcherController;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Vector;
+
 /**
  * Displays a ViewPager with icons for the users in the system to allow switching between users.
  * One of the uses of this is for the lock screen in auto.
  */
-public class UserGridView extends ViewPager {
-    private static final int EXPAND_ANIMATION_TIME_MS = 200;
-    private static final int HIDE_ANIMATION_TIME_MS = 133;
-
+public class UserGridView extends ViewPager implements
+        UserInfoController.OnUserInfoChangedListener {
     private StatusBar mStatusBar;
     private UserSwitcherController mUserSwitcherController;
     private Adapter mAdapter;
     private UserSelectionListener mUserSelectionListener;
-    private ValueAnimator mHeightAnimator;
-    private int mTargetHeight;
-    private int mHeightChildren;
-    private boolean mShowing;
+    private UserInfoController mUserInfoController;
+    private Vector mUserContainers;
+    private int mContainerWidth;
+    private boolean mOverrideAlpha;
+    private CarQSFragment.UserSwitchCallback mUserSwitchCallback;
 
     public UserGridView(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
 
     public void init(StatusBar statusBar, UserSwitcherController userSwitcherController,
-            boolean showInitially) {
+            boolean overrideAlpha) {
         mStatusBar = statusBar;
         mUserSwitcherController = userSwitcherController;
         mAdapter = new Adapter(mUserSwitcherController);
-        addOnLayoutChangeListener(mAdapter);
+        mUserInfoController = Dependency.get(UserInfoController.class);
+        mOverrideAlpha = overrideAlpha;
+        // Whenever the container width changes, the containers must be refreshed. Instead of
+        // doing an initial refreshContainers() to populate the containers, this listener will
+        // refresh them on layout change because that affects how the users are split into
+        // containers. Furthermore, at this point, the container width is unknown, so
+        // refreshContainers() cannot populate any containers.
+        addOnLayoutChangeListener(
+                (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
+                    int newWidth = Math.max(left - right, right - left);
+                    if (mContainerWidth != newWidth) {
+                        mContainerWidth = newWidth;
+                        refreshContainers();
+                    }
+                });
+    }
+
+    private void refreshContainers() {
+        mUserContainers = new Vector();
+
+        Context context = getContext();
+        LayoutInflater inflater = LayoutInflater.from(context);
+
+        for (int i = 0; i < mAdapter.getCount(); i++) {
+            ViewGroup pods = (ViewGroup) inflater.inflate(
+                    R.layout.car_fullscreen_user_pod_container, null);
+
+            int iconsPerPage = mAdapter.getIconsPerPage();
+            int limit = Math.min(mUserSwitcherController.getUsers().size(), (i + 1) * iconsPerPage);
+            for (int j = i * iconsPerPage; j < limit; j++) {
+                View v = mAdapter.makeUserPod(inflater, context, j, pods);
+                if (mOverrideAlpha) {
+                    v.setAlpha(1f);
+                }
+                pods.addView(v);
+                // This is hacky, but the dividers on the pod container LinearLayout don't seem
+                // to work for whatever reason.  Instead, set a right margin on the pod if it's not
+                // the right-most pod and there is more than one pod in the container.
+                if (i < limit - 1 && limit > 1) {
+                    ViewGroup.MarginLayoutParams params =
+                            (ViewGroup.MarginLayoutParams) v.getLayoutParams();
+                    params.setMargins(0, 0, getResources().getDimensionPixelSize(
+                            R.dimen.car_fullscreen_user_pod_margin_between), 0);
+                    v.setLayoutParams(params);
+                }
+            }
+            mUserContainers.add(pods);
+        }
+
+        mAdapter = new Adapter(mUserSwitcherController);
         setAdapter(mAdapter);
-        mShowing = showInitially;
     }
 
-    public boolean isShowing() {
-        return mShowing;
+    @Override
+    public void onUserInfoChanged(String name, Drawable picture, String userAccount) {
+        refreshContainers();
     }
 
-    public void show() {
-        mShowing = true;
-        animateHeightChange(getMeasuredHeight(), mHeightChildren);
-    }
-
-    public void hide() {
-        mShowing = false;
-        animateHeightChange(getMeasuredHeight(), 0);
+    public void setUserSwitchCallback(CarQSFragment.UserSwitchCallback callback) {
+        mUserSwitchCallback = callback;
     }
 
     public void onUserSwitched(int newUserId) {
@@ -96,6 +141,14 @@
         mUserSelectionListener = userSelectionListener;
     }
 
+    public void setListening(boolean listening) {
+        if (listening) {
+            mUserInfoController.addCallback(this);
+        } else {
+            mUserInfoController.removeCallback(this);
+        }
+    }
+
     void showOfflineAuthUi() {
         // TODO: Show keyguard UI in-place.
         mStatusBar.executeRunnableDismissingKeyguard(null, null, true, true, true);
@@ -115,13 +168,6 @@
                 height = Math.max(child.getMeasuredHeight(), height);
             }
 
-            mHeightChildren = height;
-
-            // Override the height if it's not showing.
-            if (!mShowing) {
-                height = 0;
-            }
-
             // Respect the AT_MOST request from parent.
             if (MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.AT_MOST) {
                 height = Math.min(MeasureSpec.getSize(heightMeasureSpec), height);
@@ -132,72 +178,19 @@
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
-    private void animateHeightChange(int oldHeight, int newHeight) {
-        // If there is no change in height or an animation is already in progress towards the
-        // desired height, then there's no need to make any changes.
-        if (oldHeight == newHeight || newHeight == mTargetHeight) {
-            return;
-        }
-
-        // Animation in progress is not going towards the new target, so cancel it.
-        if (mHeightAnimator != null){
-            mHeightAnimator.cancel();
-        }
-
-        mTargetHeight = newHeight;
-        mHeightAnimator = ValueAnimator.ofInt(oldHeight, mTargetHeight);
-        mHeightAnimator.addUpdateListener(valueAnimator -> {
-            ViewGroup.LayoutParams layoutParams = getLayoutParams();
-            layoutParams.height = (Integer) valueAnimator.getAnimatedValue();
-            requestLayout();
-        });
-        mHeightAnimator.addListener(new AnimatorListener() {
-            @Override
-            public void onAnimationStart(Animator animator) {}
-
-            @Override
-            public void onAnimationEnd(Animator animator) {
-                // ValueAnimator does not guarantee that the update listener will get an update
-                // to the final value, so here, the final value is set.  Though the final calculated
-                // height (mTargetHeight) could be set, WRAP_CONTENT is more appropriate.
-                ViewGroup.LayoutParams layoutParams = getLayoutParams();
-                layoutParams.height = ViewGroup.LayoutParams.WRAP_CONTENT;
-                requestLayout();
-                mHeightAnimator = null;
-            }
-
-            @Override
-            public void onAnimationCancel(Animator animator) {}
-
-            @Override
-            public void onAnimationRepeat(Animator animator) {}
-        });
-
-        mHeightAnimator.setInterpolator(new FastOutSlowInInterpolator());
-        if (oldHeight < newHeight) {
-            // Expanding
-            mHeightAnimator.setDuration(EXPAND_ANIMATION_TIME_MS);
-        } else {
-            // Hiding
-            mHeightAnimator.setDuration(HIDE_ANIMATION_TIME_MS);
-        }
-        mHeightAnimator.start();
-    }
-
     /**
      * This is a ViewPager.PagerAdapter which deletegates the work to a
      * UserSwitcherController.BaseUserAdapter. Java doesn't support multiple inheritance so we have
      * to use composition instead to achieve the same goal since both the base classes are abstract
      * classes and not interfaces.
      */
-    private final class Adapter extends PagerAdapter implements View.OnLayoutChangeListener {
+    private final class Adapter extends PagerAdapter {
         private final int mPodWidth;
         private final int mPodMarginBetween;
         private final int mPodImageAvatarWidth;
         private final int mPodImageAvatarHeight;
 
         private final WrappedBaseUserAdapter mUserAdapter;
-        private int mContainerWidth;
 
         public Adapter(UserSwitcherController controller) {
             super();
@@ -229,30 +222,20 @@
         }
 
         @Override
-        public Object instantiateItem(ViewGroup container, int position) {
-            Context context = getContext();
-            LayoutInflater inflater = LayoutInflater.from(context);
-
-            ViewGroup pods = (ViewGroup) inflater.inflate(
-                    R.layout.car_fullscreen_user_pod_container, null);
-
-            int iconsPerPage = getIconsPerPage();
-            int limit = Math.min(mUserAdapter.getCount(), (position + 1) * iconsPerPage);
-            for (int i = position * iconsPerPage; i < limit; i++) {
-                View v = makeUserPod(inflater, context, i, pods);
-                pods.addView(v);
-                // This is hacky, but the dividers on the pod container LinearLayout don't seem
-                // to work for whatever reason.  Instead, set a right margin on the pod if it's not
-                // the right-most pod and there is more than one pod in the container.
-                if (i < limit - 1 && limit > 1) {
-                    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
-                            LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
-                    params.setMargins(0, 0, mPodMarginBetween, 0);
-                    v.setLayoutParams(params);
-                }
+        public void finishUpdate(ViewGroup container) {
+            if (mUserSwitchCallback != null) {
+                mUserSwitchCallback.resetShowing();
             }
-            container.addView(pods);
-            return pods;
+        }
+
+        @Override
+        public Object instantiateItem(ViewGroup container, int position) {
+            if (position < mUserContainers.size()) {
+                container.addView((View) mUserContainers.get(position));
+                return mUserContainers.get(position);
+            } else {
+                return null;
+            }
         }
 
         /**
@@ -353,17 +336,10 @@
         public boolean isViewFromObject(View view, Object object) {
             return view == object;
         }
-
-        @Override
-        public void onLayoutChange(View v, int left, int top, int right, int bottom,
-                int oldLeft, int oldTop, int oldRight, int oldBottom) {
-            mContainerWidth = Math.max(left - right, right - left);
-            notifyDataSetChanged();
-        }
     }
 
     private final class WrappedBaseUserAdapter extends UserSwitcherController.BaseUserAdapter {
-        private Adapter mContainer;
+        private final Adapter mContainer;
 
         public WrappedBaseUserAdapter(UserSwitcherController controller, Adapter container) {
             super(controller);