Panel not displaying on real phones

[frrogoy]

This works OK in chrome and on the online iphone tester I found at www.testiphone.com (http://www.testiphone.com). I had someone test it on a real iPhone and an Android. On both real phones, the lform.hide() executes but the List.show() is not working (after a good login with data returned). The top toolbar displays, but there is no list below.
The appropriate 3 alerts are all displayed in the store load listener, so I know the data is being returned.
The code asks for login via a form, then displays a list of data (leads). What is different on the real phones?

var pwin = '';
var emlin = '';
new Ext.Application({
launch: function() {
Ext.regModel('Contact', {
fields: ['fname', 'lname','title','email','phone','interest','crby','org']
});
var listStore = new Ext.data.Store({
model: 'Contact',
proxy: {
type: 'ajax',
url: 'getleads.php',
reader: {
type: 'json',
root: 'data'
}
},
listeners: {load: {fn: function(store, records, success){
if(!store.getCount()){
Ext.Msg.alert("No Data","No leads in Assigned status.");
}else{
if(records[0].data.fname=="badlogin"){
Ext.Msg.alert("Bad Login","Email/Password combination not recognized");
}else{
Ext.Msg.alert("Lead count",store.getCount()); // test msg. being displayed.
lform.hide();
// List.fullscreen = true; // test. no effect
// List.doLayout(); // test. no effect
List.show();
}
}
}}}
});
var lform = new Ext.Panel({
fullscreen: true,
items: [{
xtype: 'form',
id: 'loginform',
submitOnAction: false,
items: [{
xtype: 'fieldset',
title: 'CIM Sales DB Login',
instructions: 'Please enter the information above.',
defaults: {
labelWidth: '30%'
},
items: [{
xtype: 'emailfield',
name: 'eml',
id: 'eml',
label: 'Email',
placeHolder: 'me@cimtechsolutions.com',
useClearIcon: true
},{
xtype: 'passwordfield',
id: 'pw',
name: 'pw',
label: 'Password',
useClearIcon: true
}]
}],
dockedItems: [{
xtype: 'toolbar',
dock: 'bottom',
items: [{
xtype: 'spacer'
},{
name: 'Login',
text: 'Log In',
centered: true,
width: 100,
handler: function(){
emlin = Ext.getCmp('eml').getValue();
pwin = Ext.getCmp('pw').getValue();
listStore.proxy.extraParams = {eml: emlin, pw: pwin};
listStore.load();
}
},{
xtype: 'spacer'
}]
}]
}]
}) // end lform
var List = new Ext.Panel({
fullscreen: true, // without this, didn't work on chrome either.
hidden: true, // also tried hiding later.
items: [{
title: 'Disclosure',
layout: Ext.is.Phone ? 'fit' : {
type: 'vbox',
align: 'center',
pack: 'center'
},
cls: 'demo-list',
items: [{
width: Ext.is.Phone ? undefined : 350,
height: Ext.is.Phone ? undefined : 500,
xtype: 'list',
scroll: 'vertical',
onItemDisclosure: function(record, btn, index) {
Ext.Msg.add({ maxHeight: 10 }); // patch to get msg to resize
Ext.Msg.doLayout();
Ext.Msg.add({ maxHeight: 1000 });
Ext.Msg.doLayout();
Ext.Msg.alert(record.get('fname') +' '+ record.get('lname'), 'Title: '+ record.get('title')+'<br />Email: '+record.get('email')+'<br />Phone: '+record.get('phone')+'<br />Interest: '+record.get('interest'),Ext.emptyFn);
},
store: listStore,
itemTpl: ['<div class="contact"><strong>{fname}</strong> {lname}</div>',
'<p style="font-size:80%">{org}</p>'
]
}],
dockedItems: [{
dock : 'top',
xtype: 'toolbar',
title: 'My Assigned Leads'
}]
}]
}) // end List
} // end launch
});

[frrogoy]

Anyone got any ideas on this? Data is sent to the phone (alert shows rec count), but list doesn't display in the panel. Panel toolbar shows.

Works fine in chrome and emulator.