remove old style button bar look

        android:layout_height="wrap_content"

        android:layout_width="match_parent"

        android:layout_weight="0"

        android:background="@android:drawable/bottom_bar"

        android:visibility="gone">

        <Button android:id="@+id/back_button"

            android:layout_height="wrap_content"

            android:layout_margin="5dip"

            android:layout_alignParentLeft="true"

            android:drawableLeft="@drawable/ic_btn_back"

            android:drawablePadding="3dip"

            android:text="@string/back_button_label"

        />

        <LinearLayout

                android:layout_width="150dip"

                android:layout_height="wrap_content"

                android:layout_margin="5dip"

                android:drawableRight="@drawable/ic_btn_next"

                android:drawablePadding="3dip"

                android:text="@string/next_button_label"

            />

        </LinearLayout>