Use Holo theme

AndroidManifest.xml

@@ -14,7 +14,7 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
+        android:theme="@android:style/Theme.Holo" >
         <activity
             android:name="protect.babymonitor.StartActivity"
             android:label="@string/app_name"

res/values/styles.xml

@@ -4,17 +4,7 @@
         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="android:Theme.Light">
-        <!--
-            Theme customizations available in newer API levels can go in
-            res/values-vXX/styles.xml, while customizations related to
-            backward-compatibility can go here.
-        -->
-    </style>
 
     <!-- Application theme. -->
-    <style name="AppTheme" parent="AppBaseTheme">
-        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
-    </style>
 
 </resources>