app.js

Ext.Loader.setPath('Ext.app', './');

Ext.application({
    name: 'CRM.CustomerProvider',
    appFolder: 'app',
    extend: 'Ext.app.BundledApplication',
    views: [
        'Master',
        'Detail'
    ],

    controllers: [
        'Master'
    ],

    stores: [
        'People'
    ],
    modules: ['Master'],
    launch: function () {
        Ext.create('widget.window', {
            height: 300,
            width: 600,
            title: 'Constraining Window, plain: true',
            closable: false,
            layout: 'border',
            items: [
                {
                    region: 'center',
                    xtype: 'core-MasterView'
                },
                {
                    region: 'east',
                    xtype: 'core-DetailView'
                }]
        }).show();

        console.log((this.isModule ? 'Module' : 'App') + ' example launched.');
    }
});