diff --git a/.classpath b/.classpath
index 67157cd28..acc9ed539 100644
--- a/.classpath
+++ b/.classpath
@@ -9,6 +9,7 @@
 	<classpathentry kind="lib" path="libs/htmlcleaner-2.2.jar"/>
 	<classpathentry kind="lib" path="libs/apache-mime4j-core-0.7.2.jar"/>
 	<classpathentry kind="lib" path="libs/apache-mime4j-dom-0.7.2.jar"/>
+	<classpathentry kind="lib" path="libs/android-support-v4.jar"/>
 	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 	<classpathentry kind="output" path="bin/classes"/>
 </classpath>
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..de1ccfffa
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "plugins/ActionBarSherlock"]
+	path = plugins/ActionBarSherlock
+	url = https://github.com/JakeWharton/ActionBarSherlock
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4a15a8f40..028847637 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -59,6 +59,7 @@
         android:label="@string/app_name"
         android:name="K9"
         android:allowTaskReparenting="false"
+        android:theme="@style/Theme.Sherlock.Light.DarkActionBar"
         >
         <meta-data android:name="android.app.default_searchable"
                    android:value=".activity.Search" />
diff --git a/libs/android-support-v4.jar b/libs/android-support-v4.jar
new file mode 100644
index 000000000..018c1272b
Binary files /dev/null and b/libs/android-support-v4.jar differ
diff --git a/plugins/ActionBarSherlock b/plugins/ActionBarSherlock
new file mode 160000
index 000000000..ce35f8b04
--- /dev/null
+++ b/plugins/ActionBarSherlock
@@ -0,0 +1 @@
+Subproject commit ce35f8b0499547035de119abd8719e2312bca789
diff --git a/project.properties b/project.properties
index 46fb34716..486e7deb2 100644
--- a/project.properties
+++ b/project.properties
@@ -13,3 +13,4 @@ java.encoding=utf8
 # Project target.
 target=android-15
 extensible.libs.classpath=compile-only-libs
+android.library.reference.1=plugins/ActionBarSherlock/library