saas-platform/frontend/saas-web/app/Application.js

Ext.define('saas.Application', {
    extend: 'Ext.app.Application',

    name: 'saas',

    requires: [
        'saas.*',
        'Ext.window.MessageBox'
    ],

    mainView: 'saas.view.viewport.Viewport',

    defaultToken: 'main',

    launch: function(profile) {
        Ext.getBody().removeCls('launching');
        this.callParent([profile]);
    }
});