Android 中的概念大集合

Intent:

An Intent is an object that provides runtime binding between separate components (such as two activities). TheIntent represents an app’s "intent to do something." You can use intents for a wide variety of tasks, but most often they’re used to start another activity.

说白了，Intent的主要作用就是启动另外一个activity。

原文：http://www.cnblogs.com/ygm900/p/3521485.html