Ext.app.Controller.onLaunch方法介绍。

译自：http://docs.sencha.com/extjs/4.2.3/#!/api/Ext.app.Controller-method-onLaunch

onLaunch( application )TEMPLATE

A template method like init, but called after the viewport is created. This is called after the launch method of Application is executed.

This is a template method. a hook into the functionality of this class. Feel free to override it in child classes.

Parameters

• application : Ext.app.Application

这是一个模板方法类似于init方法，但是会在viewport创建之后，应用的launch方法执行后被自动调用。