In ext-touch-debug.js file there is a function with the name Ext.Picker in which there is code for placing the values in the spinner. Here is the code
Code:
Ext.Picker = Ext.extend(Ext.Panel, {
…………….
…………..
…………
for (i = 0, ln = this.slots.length; i < ln; i++) {
slot = this.slots[i]; // alert('i value is..... '+i);
//alert("display field is....."+this.displayField);