how to use include tag for setting herder in all activity android?

i want toe create common开发者_如何学编程 template for my android application.i don't know how? some body told use include tag.I need some example for this.

you can create first anim folder and create inside header xml file and that header xml file used in all xml file like below.

    <include layout="@anim/footer" android:layout_height="wrap_content"
    android:layout_alignParentTop="true" android:layout_width="fill_parent" />

Thanks, Nik...