9 Patch Splash Screen: all windows does not fill screen

Hello, when I launch the app the splash screen appears correctly. However, the all application windows does not fill the screen.

I'm under ti sdk 3.4.0, I created a default.9.png and placed in Resources/android folder (no alloy app).

My first win is created in this way

var self = Ti.UI.createWindow({
        width: Ti.UI.FILL,
        height: Ti.UI.FILL,
        backgroundImage: helper.pathImage(bg),
        backgroundColor: "#fff",
        navBarHidden : true,
        exitOnClose: true,
        theme: "Theme.Titanium"
    });

and than opend . If i remove theme: "Theme.Titanium" it work fine but anctionbar is shown and if i hide it via actionBar.hide() method i get, as you know, an animation that hide the actionbar and i want to show the window without it. Any work around? Thank you