You need to make different shape drawables like this
<item>
<shape android:shape="rectangle" >
<padding
android:left="2dp"
android:top="2dp" />
<solid android:color="@android:color/holo_red_dark" />
</shape>
</item>
<item>
<shape android:shape="rectangle" >
<padding android:right="2dp" />
<solid android:color="@android:color/holo_blue_dark" />
</shape>
</item>
<item>
<shape android:shape="rectangle" >
<padding android:bottom="2dp" />
<solid android:color="@android:color/white" />
</shape>
</item>
<item>
<shape android:shape="rectangle" >
<solid android:color="@android:color/holo_green_light" />
</shape>
</item>
to give different color on different edges and use linearlayout with buttons to make proper table layout