用RelativeLayout布局可以在imageview中写上文字

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:andro >

    <!-- 用RelativeLayout框架布局可以 在imageview中写上文字 -->

    <RelativeLayout
        android: >

        <ImageView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/feature_guide_4"
            android:contentDescription="@string/app_name" >
        </ImageView>

        <!--
             <TextView
            android: />
        -->
    </RelativeLayout>

</LinearLayout>