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.

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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...