Apps problem with radio button

hi
i have problem with radiobutton layout and it's backgroundcolor
i have array of Radiobutton and i add it dynamically through program .
i use stop[count].setPadding(10,10,10,10); but it not display in circular manner.


Here is my code
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
androidrientation="horizontal" android:layout_height="fill_parent" >
<ScrollView android:id="@+id/ScrollView01"
android:layout_width="match_parent" android:layout_height="wrap_content" >

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:id="@+id/server"
android:layout_height="wrap_content" android:layout_below="@+id/databaseinfo" style="@style/page_background_bl">
<TableRow style="@style/tbl_row_bg" >

<TextView android:id="@+id/services_nameid" style="@style/text_large_wh" android:text="@string/services_name" android:layout_width="wrap_content" android:layout_height="wrap_content" androidaddingBottom="10px"></TextView>
<TextView android:id="@+id/services_statusid" style="@style/text_large_wh" android:text="@string/services_status" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>
</TableRow>

</TableLayout>

</ScrollView>
</LinearLayout>