[TIMOB-7998] iOS: Keypad displayed in the middle of the window on iOS

// 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
//

tabGroup.addEventListener('focus',function(e){
	win1.orientationModes=[
	Titanium.UI.PORTRAIT,
     Titanium.UI.LANDSCAPE_LEFT,
     Titanium.UI.LANDSCAPE_RIGHT
 ];
});

var win1 = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#fff'
});
win1.orientationModes=[
	Titanium.UI.PORTRAIT,
     Titanium.UI.LANDSCAPE_LEFT,
     Titanium.UI.LANDSCAPE_RIGHT
 ];
var tab1 = Titanium.UI.createTab({  
    icon:'KS_nav_views.png',
    title:'Tab 1',
    window:win1
});

gl = {};

var label1 = Titanium.UI.createLabel({
	color:'#999',
	text:'I am Window 1',
	font:{fontSize:20,fontFamily:'Helvetica Neue'},
	textAlign:'center',
	width:'auto'
});
	var winTxtField = Titanium.UI.createTextField({
   			color:'#ff7c00',
   			font: {
				fontSize:16,
				fontWeight:'bold',
				fontFamily:'Helvetica Neue'
			},
    		top:9,
    		textAlign : 'right',
    		height:46,
    		bottom:15,
    		width: '100%',
    		keyboardType:Titanium.UI.KEYBOARD_NUMBERS_PUNCTUATION,
    		returnKeyType:Titanium.UI.RETURNKEY_DEFAULT,
    		borderStyle:Titanium.UI.INPUT_BORDERSTYLE_ROUNDED,
    		borderColor:'blue',
    		borderWidth:2
		});

Ti.include('win2.js');

winTxtField.addEventListener('return',function(){
	gl.createNewWindow();
});

win1.add(winTxtField);

tabGroup.addTab(tab1);  
  
tabGroup.open();

gl.createNewWindow = function(){
	var win2 = Titanium.UI.createWindow({  
    title:'I am window2',
    backgroundColor:'blue'
});
win2.orientationModes=[
     Titanium.UI.LANDSCAPE_LEFT,
     Titanium.UI.LANDSCAPE_RIGHT
 ];
 
 win2.open();
  win2.addEventListener('click',function(e){
  	 //winTxtField.focus();//don't need this
  	 //Ti.UI.orientation = Ti.UI.PORTRAIT;//if you need to update to PORTRAIT mode
 	 //Ti.Android.currentActivity.setRequestedOrientation(Ti.Android.SCREEN_ORIENTATION_PORTRAIT);
 	 Ti.UI.orientation = Titanium.Gesture.orientation;
 	 win2.close();
 });
};