diff --git a/api/current.xml b/api/current.xml
index b0056d7f22243..eead0f53404f8 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -10657,6 +10657,17 @@
  visibility="public"
 >
 </field>
+<field name="windowActionBarSize"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="16843563"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="windowActionBarStyle"
  type="int"
  transient="false"
diff --git a/core/java/com/android/internal/app/ActionBarImpl.java b/core/java/com/android/internal/app/ActionBarImpl.java
index dd2ad6c764dde..75084db84b489 100644
--- a/core/java/com/android/internal/app/ActionBarImpl.java
+++ b/core/java/com/android/internal/app/ActionBarImpl.java
@@ -110,6 +110,7 @@ public class ActionBarImpl extends ActionBar {
                 com.android.internal.R.id.lower_action_context_bar);
         mAnimatorView = (ViewAnimator) decor.findViewById(
                 com.android.internal.R.id.action_bar_animator);
+        mActionView.setContextView(mUpperContextView);
         
         if (mActionView == null || mUpperContextView == null || mAnimatorView == null) {
             throw new IllegalStateException(getClass().getSimpleName() + " can only be used " +
diff --git a/core/java/com/android/internal/widget/ActionBarContextView.java b/core/java/com/android/internal/widget/ActionBarContextView.java
index 6a476d00eb096..8918a8e500e14 100644
--- a/core/java/com/android/internal/widget/ActionBarContextView.java
+++ b/core/java/com/android/internal/widget/ActionBarContextView.java
@@ -27,6 +27,7 @@ import android.view.ActionMode;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.View.MeasureSpec;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.TextView;
@@ -35,9 +36,6 @@ import android.widget.TextView;
  * @hide
  */
 public class ActionBarContextView extends ViewGroup {
-    // TODO: This must be defined in the default theme
-    private static final int CONTENT_HEIGHT_DIP = 50;
-    
     private int mItemPadding;
     private int mItemMargin;
     private int mActionSpacing;
@@ -75,11 +73,15 @@ public class ActionBarContextView extends ViewGroup {
                 com.android.internal.R.styleable.Theme_actionModeCloseDrawable);
         mItemMargin = mItemPadding / 2;
 
-        mContentHeight =
-                (int) (CONTENT_HEIGHT_DIP * getResources().getDisplayMetrics().density + 0.5f);
+        mContentHeight = a.getLayoutDimension(
+                com.android.internal.R.styleable.Theme_windowActionBarSize, 0);
         a.recycle();
     }
     
+    public void setHeight(int height) {
+        mContentHeight = height;
+    }
+
     public void setCustomView(View view) {
         if (mCustomView != null) {
             removeView(mCustomView);
@@ -208,8 +210,12 @@ public class ActionBarContextView extends ViewGroup {
         final int contentWidth = MeasureSpec.getSize(widthMeasureSpec);
         final int itemMargin = mItemPadding;
 
+        int maxHeight = mContentHeight > 0 ?
+                mContentHeight : MeasureSpec.getSize(heightMeasureSpec);
+
+        final int verticalPadding = getPaddingTop() + getPaddingBottom();
         int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight();
-        final int height = mContentHeight - getPaddingTop() - getPaddingBottom();
+        final int height = maxHeight - verticalPadding;
         final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
         
         if (mCloseButton != null) {
@@ -246,7 +252,20 @@ public class ActionBarContextView extends ViewGroup {
                     MeasureSpec.makeMeasureSpec(customHeight, customHeightMode));
         }
 
-        setMeasuredDimension(contentWidth, mContentHeight);
+        if (mContentHeight <= 0) {
+            int measuredHeight = 0;
+            final int count = getChildCount();
+            for (int i = 0; i < count; i++) {
+                View v = getChildAt(i);
+                int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
+                if (paddedViewHeight > measuredHeight) {
+                    measuredHeight = paddedViewHeight;
+                }
+            }
+            setMeasuredDimension(contentWidth, measuredHeight);
+        } else {
+            setMeasuredDimension(contentWidth, maxHeight);
+        }
     }
 
     @Override
diff --git a/core/java/com/android/internal/widget/ActionBarView.java b/core/java/com/android/internal/widget/ActionBarView.java
index 73d3c9574a3cc..c3c0db24f6294 100644
--- a/core/java/com/android/internal/widget/ActionBarView.java
+++ b/core/java/com/android/internal/widget/ActionBarView.java
@@ -53,7 +53,6 @@ public class ActionBarView extends ViewGroup {
     private static final String TAG = "ActionBarView";
     
     // TODO: This must be defined in the default theme
-    private static final int CONTENT_HEIGHT_DIP = 50;
     private static final int CONTENT_PADDING_DIP = 3;
     private static final int CONTENT_SPACING_DIP = 6;
     private static final int CONTENT_ACTION_SPACING_DIP = 12;
@@ -90,12 +89,17 @@ public class ActionBarView extends ViewGroup {
     private LinearLayout mTabLayout;
     private View mCustomNavView;
     
+    private int mTitleStyleRes;
+    private int mSubtitleStyleRes;
+
     private boolean mShowMenu;
     private boolean mUserTitle;
 
     private MenuBuilder mOptionsMenu;
     private ActionMenuView mMenuView;
     
+    private ActionBarContextView mContextView;
+
     private ActionMenuItem mLogoNavItem;
     
     private NavigationCallback mCallback;
@@ -151,6 +155,9 @@ public class ActionBarView extends ViewGroup {
             setBackgroundDrawable(background);
         }
         
+        mTitleStyleRes = a.getResourceId(R.styleable.ActionBar_titleTextStyle, 0);
+        mSubtitleStyleRes = a.getResourceId(R.styleable.ActionBar_subtitleTextStyle, 0);
+
         final int customNavId = a.getResourceId(R.styleable.ActionBar_customNavigationLayout, 0);
         if (customNavId != 0) {
             LayoutInflater inflater = LayoutInflater.from(context);
@@ -159,11 +166,7 @@ public class ActionBarView extends ViewGroup {
             addView(mCustomNavView);
         }
 
-        final int padding = a.getDimensionPixelSize(R.styleable.ActionBar_padding,
-                (int) (CONTENT_PADDING_DIP * metrics.density + 0.5f));
-        setPadding(padding, padding, padding, padding);
-        mContentHeight = a.getDimensionPixelSize(R.styleable.ActionBar_height,
-                (int) (CONTENT_PADDING_DIP * metrics.density + 0.5f)) - padding * 2;
+        mContentHeight = a.getLayoutDimension(R.styleable.ActionBar_height, 0);
 
         a.recycle();
 
@@ -473,13 +476,22 @@ public class ActionBarView extends ViewGroup {
         mTitleLayout = (LinearLayout) inflater.inflate(R.layout.action_bar_title_item, null);
         mTitleView = (TextView) mTitleLayout.findViewById(R.id.action_bar_title);
         mSubtitleView = (TextView) mTitleLayout.findViewById(R.id.action_bar_subtitle);
+
+        if (mTitleStyleRes != 0) {
+            mTitleView.setTextAppearance(mContext, mTitleStyleRes);
+        }
         if (mTitle != null) {
             mTitleView.setText(mTitle);
         }
+
+        if (mSubtitleStyleRes != 0) {
+            mSubtitleView.setTextAppearance(mContext, mSubtitleStyleRes);
+        }
         if (mSubtitle != null) {
             mSubtitleView.setText(mSubtitle);
             mSubtitleView.setVisibility(VISIBLE);
         }
+
         addView(mTitleLayout);
     }
 
@@ -491,6 +503,10 @@ public class ActionBarView extends ViewGroup {
         }
     }
 
+    public void setContextView(ActionBarContextView view) {
+        mContextView = view;
+    }
+
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         int widthMode = MeasureSpec.getMode(widthMeasureSpec);
@@ -506,9 +522,13 @@ public class ActionBarView extends ViewGroup {
         }
 
         int contentWidth = MeasureSpec.getSize(widthMeasureSpec);
+
+        int maxHeight = mContentHeight > 0 ?
+                mContentHeight : MeasureSpec.getSize(heightMeasureSpec);
         
+        final int verticalPadding = getPaddingTop() + getPaddingBottom();
         int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight();
-        final int height = mContentHeight - getPaddingTop() - getPaddingBottom();
+        final int height = maxHeight - verticalPadding;
         final int childSpecHeight = MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST);
 
         if (mLogoView != null && mLogoView.getVisibility() != GONE) {
@@ -561,7 +581,24 @@ public class ActionBarView extends ViewGroup {
             break;
         }
 
-        setMeasuredDimension(contentWidth, mContentHeight);
+        if (mContentHeight <= 0) {
+            int measuredHeight = 0;
+            final int count = getChildCount();
+            for (int i = 0; i < count; i++) {
+                View v = getChildAt(i);
+                int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
+                if (paddedViewHeight > measuredHeight) {
+                    measuredHeight = paddedViewHeight;
+                }
+            }
+            setMeasuredDimension(contentWidth, measuredHeight);
+        } else {
+            setMeasuredDimension(contentWidth, maxHeight);
+        }
+
+        if (mContextView != null) {
+            mContextView.setHeight(getMeasuredHeight());
+        }
     }
 
     private int measureChildView(View child, int availableWidth, int childSpecHeight, int spacing) {
diff --git a/core/res/res/anim/push_down_in_no_alpha.xml b/core/res/res/anim/push_down_in_no_alpha.xml
new file mode 100644
index 0000000000000..045d691c1a8b4
--- /dev/null
+++ b/core/res/res/anim/push_down_in_no_alpha.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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">
+	<translate android:fromYDelta="-100%p" android:toYDelta="0"
+            android:duration="@android:integer/config_longAnimTime"/>
+</set>
diff --git a/core/res/res/anim/push_down_out_no_alpha.xml b/core/res/res/anim/push_down_out_no_alpha.xml
new file mode 100644
index 0000000000000..3c2474a4aba59
--- /dev/null
+++ b/core/res/res/anim/push_down_out_no_alpha.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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">
+	<translate android:fromYDelta="0" android:toYDelta="100%p"
+            android:duration="@android:integer/config_longAnimTime"/>
+</set>
diff --git a/core/res/res/layout-xlarge/screen_action_bar.xml b/core/res/res/layout-xlarge/screen_action_bar.xml
index 41ce8e4674900..30a73184b65ce 100644
--- a/core/res/res/layout-xlarge/screen_action_bar.xml
+++ b/core/res/res/layout-xlarge/screen_action_bar.xml
@@ -24,8 +24,8 @@ This is an optimized layout for a screen with the Action Bar enabled.
     <ViewAnimator android:id="@+id/action_bar_animator"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:inAnimation="@anim/push_down_in"
-        android:outAnimation="@anim/push_down_out">
+        android:inAnimation="@anim/push_down_in_no_alpha"
+        android:outAnimation="@anim/push_down_out_no_alpha">
         <com.android.internal.widget.ActionBarView
             android:id="@+id/action_bar"
             android:layout_width="match_parent"
diff --git a/core/res/res/layout-xlarge/screen_action_bar_overlay.xml b/core/res/res/layout-xlarge/screen_action_bar_overlay.xml
index d0277f0687b29..cb35ac1e717f5 100644
--- a/core/res/res/layout-xlarge/screen_action_bar_overlay.xml
+++ b/core/res/res/layout-xlarge/screen_action_bar_overlay.xml
@@ -28,8 +28,8 @@ the Action Bar enabled overlaying application content.
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:gravity="top"
-        android:inAnimation="@anim/push_down_in"
-        android:outAnimation="@anim/push_down_out">
+        android:inAnimation="@anim/push_down_in_no_alpha"
+        android:outAnimation="@anim/push_down_out_no_alpha">
         <com.android.internal.widget.ActionBarView
             android:id="@+id/action_bar"
             android:layout_width="match_parent"
@@ -41,6 +41,7 @@ the Action Bar enabled overlaying application content.
             android:layout_height="wrap_content" />
     </ViewAnimator>
     <ImageView android:src="?android:attr/windowContentOverlay"
+               android:scaleType="fitXY"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@id/action_bar_animator" />
diff --git a/core/res/res/layout/screen_action_bar.xml b/core/res/res/layout/screen_action_bar.xml
index f39852b8d3149..3c44b8c465f11 100644
--- a/core/res/res/layout/screen_action_bar.xml
+++ b/core/res/res/layout/screen_action_bar.xml
@@ -24,8 +24,8 @@ This is an optimized layout for a screen with the Action Bar enabled.
     <ViewAnimator android:id="@+id/action_bar_animator"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:inAnimation="@anim/push_down_in"
-        android:outAnimation="@anim/push_down_out">
+        android:inAnimation="@anim/push_down_in_no_alpha"
+        android:outAnimation="@anim/push_down_out_no_alpha">
         <com.android.internal.widget.ActionBarView
             android:id="@+id/action_bar"
             android:layout_width="match_parent"
diff --git a/core/res/res/layout/screen_action_bar_overlay.xml b/core/res/res/layout/screen_action_bar_overlay.xml
index cb1ffc57a05d3..c854c6fe3baac 100644
--- a/core/res/res/layout/screen_action_bar_overlay.xml
+++ b/core/res/res/layout/screen_action_bar_overlay.xml
@@ -28,8 +28,8 @@ the Action Bar enabled overlaying application content.
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:gravity="top"
-        android:inAnimation="@anim/push_down_in"
-        android:outAnimation="@anim/push_down_out">
+        android:inAnimation="@anim/push_down_in_no_alpha"
+        android:outAnimation="@anim/push_down_out_no_alpha">
         <com.android.internal.widget.ActionBarView
             android:id="@+id/action_bar"
             android:layout_width="match_parent"
@@ -41,6 +41,7 @@ the Action Bar enabled overlaying application content.
             android:layout_height="wrap_content" />
     </ViewAnimator>
     <ImageView android:src="?android:attr/windowContentOverlay"
+               android:scaleType="fitXY"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@id/action_bar_animator" />
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index a75f1a60d23e6..e0608f9d43345 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -256,6 +256,12 @@
         <!-- Reference to a style for the Action Bar -->
         <attr name="windowActionBarStyle" format="reference" />
 
+        <!-- Size of the Action Bar, including the contextual
+             bar used to present Action Modes. -->
+        <attr name="windowActionBarSize" format="dimension" >
+            <enum name="wrap_content" value="0" />
+        </attr>
+
         <!-- Flag indicating whether action modes should overlay window content
              when there is not reserved space for their UI (such as an Action Bar). -->
         <attr name="windowActionModeOverlay" format="boolean" />
@@ -1005,6 +1011,7 @@
         <attr name="windowActionBarStyle" />
         <attr name="windowActionModeOverlay" />
         <attr name="windowActionBarOverlay" />
+        <attr name="windowActionBarSize" />
     </declare-styleable>
 
     <!-- The set of attributes that describe a AlertDialog's theme. -->
@@ -4003,8 +4010,6 @@
         <attr name="customNavigationLayout" format="reference" />
         <!-- Specifies a fixed height. -->
         <attr name="height" />
-        <!-- Specifies padding around all sides. -->
-        <attr name="padding" />
     </declare-styleable>
 
 </resources>
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 539f1c010eeec..b84a613d8cdcc 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -1320,6 +1320,8 @@
   <public type="attr" name="fragmentOpenExitAnimation" />
   <public type="attr" name="fragmentCloseEnterAnimation" />
   <public type="attr" name="fragmentCloseExitAnimation" />
+  <public type="attr" name="windowActionBarSize" />
+
   <public type="anim" name="animator_fade_in" />
   <public type="anim" name="animator_fade_out" />
 
diff --git a/core/res/res/values/styles.xml b/core/res/res/values/styles.xml
index 7e52ebd774a27..2ae3ccd522ef7 100644
--- a/core/res/res/values/styles.xml
+++ b/core/res/res/values/styles.xml
@@ -893,8 +893,11 @@
         <item name="android:background">@android:drawable/action_bar_background</item>
         <item name="android:displayOptions">useLogo</item>
         <item name="android:divider">@android:drawable/action_bar_divider</item>
-        <item name="android:height">56dip</item>
-        <item name="android:padding">3dip</item>
+        <item name="android:height">?android:attr/windowActionBarSize</item>
+        <item name="android:paddingLeft">3dip</item>
+        <item name="android:paddingTop">3dip</item>
+        <item name="android:paddingRight">3dip</item>
+        <item name="android:paddingBottom">3dip</item>
     </style>
 
     <style name="Widget.ActionButton">
diff --git a/core/res/res/values/themes.xml b/core/res/res/values/themes.xml
index 3348b4ee90b7e..f9e20f754375f 100644
--- a/core/res/res/values/themes.xml
+++ b/core/res/res/values/themes.xml
@@ -118,6 +118,7 @@
         <item name="windowActionBar">false</item>
         <item name="windowActionModeOverlay">false</item>
         <item name="windowActionBarStyle">@android:style/ActionBar</item>
+        <item name="windowActionBarSize">50dip</item>
 
         <!-- Dialog attributes -->
         <item name="alertDialogStyle">@android:style/AlertDialog</item>