viewpagerindicator - when am setting styles to to tab page indicator it is not applying in android -

when trying set style titlepageindicator in android not getting applied. following lines styles.xml code when trying set fragment activity these style not applying.

      <style name="styledindicators" parent="@android:style/theme.light">             <item name="vpicirclepageindicatorstyle">@style/customcirclepageindicator</item>             <item name="vpilinepageindicatorstyle">@style/customlinepageindicator</item>             <item name="vpititlepageindicatorstyle">@style/customtitlepageindicator</item>             <item name="vpitabpageindicatorstyle">@style/customtabpageindicator</item>             <item name="vpiunderlinepageindicatorstyle">@style/customunderlinepageindicator</item>         </style>          <style name="customtitlepageindicator">             <item name="android:background">#18ff0000</item>             <item name="footercolor">#ffaa2222</item>             <item name="footerlineheight">1dp</item>             <item name="footerindicatorheight">3dp</item>             <item name="footerindicatorstyle">underline</item>             <item name="android:textcolor">#aa000000</item>             <item name="selectedcolor">#ff000000</item>             <item name="selectedbold">true</item>         </style>           <style name="customtabpageindicator" parent="widget.tabpageindicator">             <item name="android:background">@drawable/custom_tab_indicator</item>             <item name="android:textappearance">@style/customtabpageindicator.text</item>             <item name="android:textcolor">#ff555555</item>             <item name="android:textsize">16sp</item>             <item name="android:divider">@drawable/custom_tab_indicator_divider</item>           <!--   <item name="android:dividerpadding">10dp</item>             <item name="android:showdividers">middle</item> -->             <item name="android:paddingleft">8dp</item>             <item name="android:paddingright">8dp</item>             <item name="android:fadingedge">horizontal</item>             <item name="android:fadingedgelength">8dp</item>         </style>          <style name="customtabpageindicator.text" parent="android:textappearance.medium">             <item name="android:typeface">monospace</item>         </style> 

in manifest file setting theme

      <activity                 android:name=".mainactivity"                 android:label="@string/app_name"                  android:theme="@style/styledindicators">              </activity> 

but styles not applying titles. when executing view pager indicator downloaded sample application it's working fine.