Update sources for a proper support with Android 4+ instead of Android 2.1+. Also change HeaderBar style

res/values/strings.xml

@@ -115,7 +115,7 @@
         <item>https://</item>
         <item>http://</item>
     </string-array>
-    
+
     <!-- Main activity -->
     <string name="ma_button_rate_us">Rate us !</string>
     <string name="ma_button_thanksto">Thanks to</string>
@@ -154,5 +154,6 @@
     <string name="title_section2">Section 2</string>
     <string name="title_section3">Section 3</string>
     <string name="hello_world">Hello world!</string>
+    <string name="title_activity_main_activity2">MainActivity2</string>
 
 </resources>

res/values/styles.xml

@@ -3,8 +3,8 @@
     <!--
         Base application theme, dependent on API level. This theme is replaced
         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-    -->
-    <style name="AppBaseTheme" parent="Theme.AppCompat.Light">
+    -->   
+    <style name="AppBaseTheme" parent="@android:style/Theme.Holo.Light">
         <!--
             Theme customizations available in newer API levels can go in
             res/values-vXX/styles.xml, while customizations related to
@@ -16,5 +16,5 @@
     <style name="AppTheme" parent="AppBaseTheme">
         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
     </style>
-
+    
 </resources>