TabActivity in library project, android.R.id.tabhost not found error -

i trying create template/baseactivity class other developers use, part of framework.

i extended class tabactivity, , xml looks this/

<tabhost xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@android:id/tabhost" android:layout_width="match_parent"     android:layout_height="match_parent">     <linearlayout android:orientation="vertical"         android:layout_width="fill_parent" android:layout_height="fill_parent">         <view android:layout_width="fill_parent" android:layout_height="0dip"             android:background="#000" />         <tabwidget android:id="@android:id/tabs"             android:layout_width="fill_parent" android:layout_height="wrap_content"             android:layout_marginleft="0dip" android:layout_marginright="0dip" />         <view android:layout_width="fill_parent" android:layout_height="2dip"             android:background="#696969" />         <view android:layout_width="fill_parent" android:layout_height="1dip"             android:background="#fff" />         <framelayout android:id="@android:id/tabcontent"             android:layout_width="fill_parent" android:layout_height="fill_parent" />     </linearlayout> </tabhost> 

when use activity extending in other project, error stating, not able android.r.id.tabhost , necessary.

this happens, if call gettabhost() or findviewbyid() both scenarios.

please note : tried without extending tabactivity, use of views in tab. works fine. want use activities tab content.

i think issue when make library project , include it.

please let me know if need more explanation or if know workarounds, please suggest.

i got around issue. provided library class requires user pass current activity instance templatelibrary.

it calls sets conetnt 1 of layout file containing android tab. tab host.

let me know if wants more details on this. if developing framework providing layout user.