ScreenFilter/res/layout/configure_widget.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <me.yoqi.screenfilter.BrightnessSelector
        android:id="@+id/PreferencesBrightnessSelector"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="20.0" />

    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0.0"
        android:stretchColumns="*" >

        <TableRow>

            <Button
                android:id="@+id/DontSaveSettingButton"
                android:text="@string/dont_save_setting"
                android:textSize="18.0dip" />

            <Button
                android:id="@+id/SaveSettingButton"
                android:text="@string/save_setting"
                android:textSize="18.0dip" />
        </TableRow>
    </TableLayout>

</LinearLayout>