I want to achieve this layout:

![enter image description here](https://i.stack.imgur.com/STkcc.png)

The nearest that i have been able to come to is this:

![enter image description here](https://i.stack.imgur.com/SI1j5.png)

The layout so far is this:

```
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_centerInParent="true"
    android:layout_centerVertical="true"
    android:baselineAligned="true"
    android:orientation="vertical"
    android:weightSum="4" >

    <LinearLayout

        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:layout_gravity="center"
        android:layout_weight="1"
        android:paddingBottom="8dip" >

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />
    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:layout_gravity="center"
        android:layout_weight="1"
        android:paddingBottom="8dip" 

        >

        <ImageButton

            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" 

            />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />
    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:layout_gravity="center"
        android:layout_weight="1"
        android:paddingBottom="8dip" >

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="wrap_content"
        android:layout_height="fill_parent"
        android:layout_gravity="center"
        android:layout_weight="1"
        android:paddingBottom="8dip" >

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />

        <ImageButton
            android:layout_width="wrap_content"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:background="@null"
            android:scaleType="fitCenter"
            android:src="@drawable/myimage" />
    </LinearLayout>

</LinearLayout>

```

How to design the above layout ?