[TIMOB-4643] Application crashes if a custom theme is included in the project

var win = Titanium.UI.createWindow({ backgroundColor: '#fff', fullscreen: true });
win.add(Ti.UI.createLabel({ text: 'Press your hardware menu button!' }));
win.open();

// keep a pointer to the current activity
var currentActivity = win.activity;

// and make an options menu
currentActivity.onCreateOptionsMenu = function(e) {
    e.menu.add({ title: 'Open Dialog' }).addEventListener("click", function() {
        var intent = Ti.Android.createIntent({
            url: 'temp.js'
        });
        intent.putExtra('modal', true);
        currentActivity.startActivity(intent);
    });
};

var win = Ti.UI.currentWindow;
win.modal = true;

win.add(Ti.UI.createLabel({
    text: 'Hello, world!'
}));

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="FullHeightDialog" parent="android:style/Theme.Dialog">
        <item name="android:windowNoTitle">true</item>
    </style>
    <style name="Theme.Titanium" parent="android:Theme.NoTitleBar.Fullscreen">
    <item name="android:windowBackground">@drawable/background</item>
</style>
</resources>