How migrate Ext to Sencha

hello!!!

I have a project in Ext, I need to know how to migrate this code to sencha tocuh 2.3.

here's an example of the code

Code:

Ext.onReady(function() {
var botones_pagina = Ext.widget({
xtype: 'form',
layout: 'form',
id: 'botones_pagina',
renderTo: Ext.getBody(),
bodyPadding: '5 5 0',
border:false,
width: '100%',
items: [],
buttons: []
})
};

Appreciate your help!!!!



How migrate Ext to Sencha