Centering Textview Below a image button that is under relative layout?

I have this problem of the textview is not centering below the image button. anyway to fix this issue? the coding and image is given below thx!

   <LinearLayout android:gravity="center_vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginBottom="10dp"> 

       <RelativeLayout  android:gravity="center"  android:layout_weight="1"  android:layout_width="wrap_content" android:layout_height="wrap_content"> 

  <ImageButton
      android:id="@+id/imageButton1"
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:background="@null"
      android:onClick="btnCat1"
      android:src="@drawable/nopic" >
</ImageButton>

<TextView
    style="@style/MenuStyle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/imageButton1"
    android:layout_centerInParent="true"
    android:clickable="false"
    android:text="text" />

</RelativeLayout>

       <RelativeLayout  android:gravity="center"  android:layout_weight="1"  android:layout_width="wrap_content" android:layout_height="wrap_content"> 

  <ImageButton
      android:id="@+id/imageButton1"
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:background="@null"
      android:onClick="btnContact"
      android:src="@drawable/nopic" >
</ImageButton>

<TextView
    style="@style/MenuStyle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/imageButton1"
    android:layout_centerInParent="true"
    android:clickable="false"
    android:text="text" />

</RelativeLayout>
</LinearLayout>






   <LinearLayout android:gravity="center_vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginBottom="10dp"> 

       <RelativeLayout  android:gravity="center"  android:layout_weight="1"  android:layout_width="wrap_content" android:layout_height="wrap_content"> 

  <ImageButton
      android:id="@+id/imageButton1"
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:background="@null"
      android:onClick="btnRoute"
      android:src="@drawable/nopic" >
</ImageButton>

<TextView
    style="@style/MenuStyle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/imageButton1"
    android:layout_centerInParent="true"
    android:clickable="false"
    android:text="text" />

</RelativeLayout>

       <RelativeLayout  android:gravity="center"  android:layout_weight="1"  android:layout_width="wrap_content" android:layout_height="wrap_content"> 

  <ImageButton
      android:id="@+id/imageButton1"
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:background="@null"
      android:onClick="btnChecList"
      android:src="@drawable/nopic" >
</ImageButton>

<TextView
    style="@style/MenuStyle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/imageButton1"
    android:layout_centerInParent="true"
    android:clickable="false"
    android:text="text" />

</RelativeLayout>
</LinearLayout>




</LinearLayout>