diff --git a/res/layout/navigation_bar.xml b/res/layout/navigation_bar.xml
index 7840430..803705c 100644
--- a/res/layout/navigation_bar.xml
+++ b/res/layout/navigation_bar.xml
@@ -30,7 +30,7 @@
         android:gravity="center_vertical"
         android:textAppearance="?android:attr/textAppearanceMedium"
         android:text="@string/search_label"
-        android:minWidth="220dip" />
+        android:minWidth="@dimen/action_bar_filter_min_width" />
 
     <view
         class="com.android.contacts.list.ContactListFilterView"
@@ -40,7 +40,8 @@
         android:layout_height="match_parent"
         android:layout_gravity="left|center_vertical"
         android:focusable="true"
-        android:minWidth="220dip" >
+        android:minWidth="@dimen/action_bar_filter_min_width"
+         >
         <ImageView
             android:id="@+id/icon"
             android:scaleType="fitCenter"
@@ -55,7 +56,9 @@
             android:layout_width="wrap_content"
             android:gravity="center_vertical"
             android:textAppearance="?android:attr/textAppearanceMedium"
-            android:ellipsize="end" />
+            android:ellipsize="end"
+            android:singleLine="true" 
+            android:maxWidth="@dimen/action_bar_filter_max_width" />
     </view>
 
     <SearchView
@@ -63,8 +66,8 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_gravity="center_vertical"
-        android:layout_marginLeft="32dip"  
-        android:maxWidth="300dip"
+        android:layout_marginLeft="@dimen/action_bar_search_spacing"  
+        android:maxWidth="@dimen/action_bar_search_max_width"
         android:iconifiedByDefault="false" />
 
 </LinearLayout>
diff --git a/res/values-xlarge-land/dimens.xml b/res/values-xlarge-land/dimens.xml
index 85bd3a8..52c521e 100644
--- a/res/values-xlarge-land/dimens.xml
+++ b/res/values-xlarge-land/dimens.xml
@@ -15,4 +15,8 @@
 -->
 <resources>
     <dimen name="quick_contact_width">452dip</dimen>
+    <dimen name="action_bar_filter_min_width">220dip</dimen>
+    <dimen name="action_bar_filter_max_width">300dip</dimen>
+    <dimen name="action_bar_search_max_width">336dip</dimen>
+    <dimen name="action_bar_search_spacing">32dip</dimen>
 </resources>
diff --git a/res/values-xlarge/dimens.xml b/res/values-xlarge/dimens.xml
index 058e2cf..6ffbb31 100644
--- a/res/values-xlarge/dimens.xml
+++ b/res/values-xlarge/dimens.xml
@@ -18,4 +18,8 @@
     <dimen name="aggregation_suggestion_icon_size">64dip</dimen>
     <dimen name="quick_contact_width">356dip</dimen>
     <dimen name="contact_name_text_size">26sp</dimen>
+    <dimen name="action_bar_filter_min_width">120dip</dimen>
+    <dimen name="action_bar_filter_max_width">120dip</dimen>
+    <dimen name="action_bar_search_max_width">300dip</dimen>
+    <dimen name="action_bar_search_spacing">12dip</dimen>
 </resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index d55ebd6..0b2cffd 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -60,4 +60,17 @@
 
     <!-- Font size used for the contact name in the detail and the editor -->
     <dimen name="contact_name_text_size">18sp</dimen>
+
+    <!-- Minimum width of the filter selector in the action bar -->
+    <dimen name="action_bar_filter_min_width">100dip</dimen>
+
+    <!-- Maximum width of the filter selector in the action bar -->
+    <dimen name="action_bar_filter_max_width">100dip</dimen>
+
+    <!-- Maximum width of the search field in the action bar -->
+    <dimen name="action_bar_search_max_width">100dip</dimen>
+
+    <!-- Spacing on the left the search field in the action bar -->
+    <dimen name="action_bar_search_spacing">12dip</dimen>
+
 </resources>