//http://www.sencha.com/learn/sencha-class-system

var Person = new Ext.Class({

    name: 'Mr. Unknown',

    walk: function(steps) {

        alert(this.name + ' is walking ' + steps + ' steps');

    }

});

//http://docs.sencha.com/touch/2.2.1/#!/guide/class_system

//Ext.ns('My.sample');//define the namespace

Ext.define('Animal', {

    requires: [

        'Ext.MessageBox'

    ],

    constructor: function(config) {

        this.initConfig(config);

    },

    config: {

        name: 'default name',

        gender:'male'

    },

    speak: function() {

        //alert('grunt');

        Ext.Msg.alert(this.getName(), "Speaks...");

    },

    statics : {

       static1  :function(){

            console.log('static fun1, called by Animail.static1');

        }

    }

});

console.log('launching...');

Animal.static1();

var ani=Ext.create('Animal',{name:'abc'});

console.log(ani.getName());

ani._name='zhaoyao';

console.log(ani.getName());

console.log(ani._gender);

ani.speak();