Could that "menubar" possibly be just a bunch of buttons set to be located next to each other on the bottom of the screen? It doesn't sound to hard to do that.
You would just need to add in the buttons in the "main.xml" and make sure to add in the layout info.
Here is one button:
Using xml Syntax Highlighting
<Button android:id="@+id/one"
android:layout_width="100px"
android:layout_height="100px"
android:layout_alignParentRight="true"
android:layout_marginLeft="2px"
android:layout_marginTop="250px"
android:layout_marginRight="200px"
android:background="@drawable/Your_button_pic_here"
android:text=" "
android:textSize="70px"/>
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place your button picture in the drawable folder and set it in the "android:background" area above.
Here is an example that I made in droiddraw (its a windows Android UI generator), it basically the same as above, except its missing the button graphics, done in landscape, and has a lot more buttons:
Using xml Syntax Highlighting
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout
android:id="@+id/widget0"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<Button
android:id="@+id/widget28"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="0px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget29"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="60px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget30"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="120px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget31"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="180px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget32"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="240px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget33"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="300px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget34"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="360px"
android:layout_y="212px"
>
</Button>
<Button
android:id="@+id/widget35"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_x="420px"
android:layout_y="212px"
>
</Button>
</AbsoluteLayout>
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