Intent#中的packageContext是什么(上下文packageContext，Class<?> cls)? [英] What's packageContext in Intent#(Context packageContext, Class<?> cls)?

问题描述

文档说:

packageContext A的上下文 实现此的应用程序包 课.

packageContext A Context of the application package implementing this class.

但这是什么意思?哪个班是这个班"?

But what does it mean? which class is "this class"?

new Intent(this,XXX.class)为什么起作用?

推荐答案

您可以传递任何

You can pass any Context object you got from any of you application's classes. So you can either use an Activity, Service object or you can call getApplicationContext() and pass the returned Context object to the Intent constructor.

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