gistfile1.java

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        >
        <TableLayout
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:stretchColumns="*"
            >
            <TableRow
                android:layout_weight="1"
                android:gravity="center">

                <LinearLayout android:orientation="horizontal"
                    android:layout_width="fill_parent"
                    android:layout_height="fill_parent">
                    <Button android:text="Button" android:layout_weight=".33333" android:layout_width="fill_parent"   android:layout_height="fill_parent"/>
                    <Button android:text="Button" android:layout_weight=".33333" android:layout_width="fill_parent" android:layout_height="fill_parent"/>
                    <Button android:text="Button" android:layout_weight=".33334" android:layout_width="fill_parent" android:layout_height="fill_parent"/>
                </LinearLayout>

            </TableRow>
            <TableRow
                android:layout_weight="1"
                android:gravity="center">
                <LinearLayout android:orientation="horizontal"
                    android:layout_width="fill_parent"
                    android:layout_height="fill_parent">
                    <Button android:text="Button" android:layout_weight=".33333" android:layout_width="fill_parent"   android:layout_height="fill_parent"/>
                    <Button android:text="Button" android:layout_weight=".33333" android:layout_width="fill_parent" android:layout_height="fill_parent"/>
                    <Button android:text="Button" android:layout_weight=".33334" android:layout_width="fill_parent" android:layout_height="fill_parent"/>
                </LinearLayout>
            </TableRow>
            <TableRow
                android:layout_weight="1"
                android:gravity="center">
                <LinearLayout android:orientation="horizontal"
                    android:layout_width="fill_parent"
                    android:layout_height="fill_parent">
                    <Button android:text="Button" android:layout_weight=".5" android:layout_width="fill_parent"   android:layout_height="fill_parent"/>
                    <Button android:text="Button" android:layout_weight=".5" android:layout_width="fill_parent" android:layout_height="fill_parent"/>
                </LinearLayout>
            </TableRow>

        </TableLayout>

    </LinearLayout>