sudokusolver/res/layout-large-land/activity_main.xml

<LinearLayout xmlns:tools="http://schemas.android.com/tools"
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <fragment
        android:id="@+id/fragment1"
        android:name="com.example.SudokuSolver.SudokuGridlarge"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_weight="0.6" />

    <TableLayout
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_weight="0.3" >

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3" >

            <Button
                android:id="@+id/button1"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="1"
                android:textAlignment="center" />

            <Button
                android:id="@+id/button2"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="2"
                android:textAlignment="center" />

        </TableRow>

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3" >

            <Button
                android:id="@+id/button3"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="3"
                android:textAlignment="center" />

            <Button
                android:id="@+id/button4"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="4"
                android:textAlignment="center" />

        </TableRow>

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3" >

            <Button
                android:id="@+id/button5"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="5"
                android:textAlignment="center" />

            <Button
                android:id="@+id/button6"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="6"
                android:textAlignment="center" />

        </TableRow>

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3" >

            <Button
                android:id="@+id/button7"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="7"
                android:textAlignment="center" />

            <Button
                android:id="@+id/button8"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="8"
                android:textAlignment="center" />

        </TableRow>

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3" >

            <Button
                android:id="@+id/button9"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="9"
                android:textAlignment="center" />

            <Button
                android:id="@+id/button0"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="0.3"
                android:onClick="SetInput"
                android:text="0"
                android:textAlignment="center" />

        </TableRow>

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.3"
            android:onClick="Send" >

            <Button
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:onClick="Clear"
                android:text="Clear"
                android:textAlignment="center" />

            <Button
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:onClick="Send"
                android:text="Send"
                android:textAlignment="center" />

        </TableRow>
    </TableLayout>

</LinearLayout>