android - How to set text style in pager title strip -

i trying set style , size of pager title strip .but able set text color , size not able set style how set different style in pager title strip. here tried

style

 <style name="apptheme.my" parent="base.textappearance.appcompat.caption">     <item name="android:textcolor">@color/text</item>     <item name="android:textsize">@dimen/text</item>     <item name="android:typeface">serif</item> </style>  <android.support.v4.view.pagertitlestrip         android:id="@+id/title"         style="@style/apptheme.my"         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:layout_gravity="top"         android:layout_margintop="15dp"         android:background="#fb263238"         android:alpha="0.3"         android:paddingtop="4dp"         /> 

my java pager title

  public charsequence getpagetitle(int position) {     string title = new string();     if (position == 0) {         return "albums";     }     if (position == 1) {         return "artists";     }     if (position == 4) {         return "playlist";     }     if (position == 3) {         return "genres";     }     if (position == 2) {         return "songs";     }     return title; } 

what doing wrong , how can set text style in pager title strip??

i have modified code. can check below code.

<android.support.v4.view.pagertitlestrip     android:id="@+id/title"     style="@style/stylepagertitlestrip"     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:layout_gravity="top"     android:layout_margintop="15dp"     android:background="#fb263238"     android:alpha="0.3"     android:paddingtop="4dp"     />  <style name="stylepagertitlestrip">     <item name="android:textcolor">@color/text</item>     <item name="android:textsize">@dimen/text</item>     <item name="android:fontfamily">sans-serif</item> </style>