settings_screen.xml

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

    <!--Main Title-->
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/settings_main_title"
        android:layout_gravity="center"
        android:padding="@dimen/dp_large"
        android:textSize="@dimen/sp_xxlarge"/>

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:stretchColumns="1">

        <!--[1] [＋]-->
        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_single_digit"
                android:layout_column="1"
                android:padding="@dimen/dp_small"
                android:textSize="@dimen/sp_large"
                android:id="@+id/setting_single_digit"/>

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_plus"
                android:layout_marginRight="@dimen/dp_xxlarge"
                android:textSize="@dimen/sp_large"
                android:id="@+id/setting_plus"/>
        </TableRow>

        <!--[2] [－]-->
        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_double_digit"
                android:layout_column="1"
                android:padding="@dimen/dp_small"
                android:id="@+id/setting_double_digit"
                android:textSize="@dimen/sp_large"/>

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_minus"
                android:id="@+id/setting_minus"
                android:layout_marginRight="@dimen/dp_xxlarge"
                android:textSize="@dimen/sp_large"/>
        </TableRow>

        <!--[3] [✕]-->
        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_triple_digit"
                android:layout_column="1"
                android:padding="@dimen/dp_small"
                android:id="@+id/setting_triple_digit"
                android:textSize="@dimen/sp_large"/>

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_multiply"
                android:id="@+id/setting_multiply"
                android:layout_marginRight="@dimen/dp_xxlarge"
                android:textSize="@dimen/sp_large"/>
        </TableRow>

        <!--[4] [÷]-->
        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_fourth_digit"
                android:layout_column="1"
                android:id="@+id/setting_fourth_digit"
                android:padding="@dimen/dp_small"
                android:textSize="@dimen/sp_large"/>

            <CheckBox
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/settings_divide"
                android:id="@+id/setting_divide"
                android:layout_marginRight="@dimen/dp_xxlarge"
                android:textSize="@dimen/sp_large"/>
        </TableRow>

        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/settings_save_exit"
            android:id="@+id/SaveExitButton"
            android:textSize="@dimen/sp_medium"
            android:layout_marginTop="@dimen/dp_medium"/>
    </TableLayout>
</LinearLayout>