Initial support for NAVIGATION_MODE_TABS.

actionbar/res/drawable/actionbar_tab.xml

@@ -0,0 +1,5 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+android:shape="line">
+    <stroke android:color="#FFFFFF" />
+    <size android:height="1dp" />
+</shape>

actionbar/res/layout/actionbar.xml

@@ -141,6 +141,28 @@
             android:focusable="true"
             android:visibility="gone"
             />
+        <LinearLayout
+            android:id="@+id/actionbar_tabs"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:layout_alignParentLeft="true"
+            android:layout_toLeftOf="@id/actionbar_progress"
+            android:background="@drawable/actionbar_btn"
+            android:focusable="true"
+            android:visibility="visible"
+            android:orientation="horizontal"
+            android:gravity="center_vertical"
+            >
+        </LinearLayout>
+        <!-- TODO: Make configurable. -->
+        <View
+            android:id="@+id/actionbar_tabs_bottom_line"
+            android:visibility="gone"
+            android:layout_width="wrap_content"
+            android:layout_height="2dip"
+            android:background="#FFFFFF"
+            android:layout_alignParentBottom="true"
+            />
         <ImageView
             android:id="@+id/actionbar_list_indicator"
             android:layout_width="wrap_content"

actionbar/res/layout/actionbar_tab.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 Johan Nilsson <http://markupartist.com>
+
+     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.
+-->
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="fill_parent"
+    android:orientation="vertical"
+    android:layout_alignParentLeft="true"
+    android:layout_weight="1"
+    >
+    <TextView
+        android:id="@+id/actionbar_tab"
+        android:layout_width="wrap_content"
+        android:layout_height="fill_parent"
+        android:padding="5dip"
+        />
+    <!-- TODO: Make configurable. -->
+    <View
+        android:id="@+id/actionbar_tab_selected"
+        android:layout_width="wrap_content"
+        android:layout_height="5dip"
+        android:background="#FFFFFF"
+        android:layout_alignParentBottom="true"
+        />
+</RelativeLayout>