<LinearLayout
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal" >
        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="New Button"
            android:layout_weight="1"
            android:id="@+id/button" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="New Button"
            android:id="@+id/button2" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="New Button"
            android:id="@+id/button3" />

<LinearLayout
        android:layout_weight="1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal" >
        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="New Button"
            android:layout_weight="1"
            android:id="@+id/button" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="New Button"
            android:id="@+id/button2" />

        <Button
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:text="New Button"
            android:id="@+id/button3" />
    </LinearLayout>