Every Activity in Android is a Process,or One Application is one process

Question

In this page, http://androidapps.org.ua/androidintro_ipc.html , intent switching between activities is described as Inter Process Communication. Now I am confused whether e

Answer 1

You can send an intent to another application, provided it has an intent-filter.

So yes all of your activities in your application will run in the same process.

For eg: You can send a generic intent to all email applications. Gmail is one such application that has a intent filter which listens to the email intent. This is how you achieve IPC using intents.