[TIMOB-16463] iOS: Search bar disappears in some cases

// this sets the background color of the master UIView (when there are no windows/tab groups on it)
Titanium.UI.setBackgroundColor('#000');

// create tab group
var tabGroup = Titanium.UI.createTabGroup();


//
// create base UI tab and root window
//
var win1 = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#fff'
});
var tab1 = Titanium.UI.createTab({  
    icon:'KS_nav_views.png',
    title:'Tab 1',
    window:win1
});

	var search = Ti.UI.createSearchBar({
		barColor: '#FFFFFF',
		borderColor: 'white'
	});
	search.addEventListener('cancel', function() {
		search.blur();
	});

	var listView = Ti.UI.createListView({
		searchView: search,
		top: 10
	});

	var sections = [];
	
	var fruitSection = Ti.UI.createListSection({ headerTitle: 'Group 1'});
	var fruitDataSet = [
	    {properties: { title: 'Item 1'}},
	    {properties: { title: 'Item 2'}},
	    {properties: { title: 'Item 3'}},
	    {properties: { title: 'Item 4'}},
	    {properties: { title: 'Item 5'}},
	    {properties: { title: 'Item 6'}},
	    {properties: { title: 'Item 7'}},
	    {properties: { title: 'Item 8'}},
	];
	fruitSection.setItems(fruitDataSet);
	sections.push(fruitSection);
	
	var vegSection = Ti.UI.createListSection({ headerTitle: 'Group 2'});
	var vegDataSet = [
	    {properties: { title: 'Test 1'}},
	    {properties: { title: 'Test 2'}},
	    {properties: { title: 'Test 3'}},
	    {properties: { title: 'Test 4'}},
	    {properties: { title: 'Test 5'}},
	    {properties: { title: 'Test 6'}},
	    {properties: { title: 'Test 7'}},
	    {properties: { title: 'Test 8'}},
	];
	vegSection.setItems(vegDataSet);
	sections.push(vegSection);
	
	listView.sections = sections;

	win1.add(listView);

//
// create controls tab and root window
//
var win2 = Titanium.UI.createWindow({  
    title:'Tab 2',
    backgroundColor:'#fff'
});
var tab2 = Titanium.UI.createTab({  
    icon:'KS_nav_ui.png',
    title:'Tab 2',
    window:win2
});

var label2 = Titanium.UI.createLabel({
	color:'#999',
	text:'I am Window 2',
	font:{fontSize:20,fontFamily:'Helvetica Neue'},
	textAlign:'center',
	width:'auto'
});

win2.add(label2);



//
//  add tabs
//
tabGroup.addTab(tab1);  
tabGroup.addTab(tab2);  


// open tab group
tabGroup.open();