How to call activity of one project from activity of another project in android?Also vice versa?

Question

I am doing an integration project,which involves integrating two projects into one.How I want to do this is,I have a common project,the activity of this common project should be able to call activities of the other two projects,as per different events like a particular button press,etc.How can I do this?Is it possible through intents?

Also,the activities of the other two projects should be able to call each other.How to do this?

Answer 1

this Android Developer blog post explains how to make custom application intents available to other applications for this sort of integration:

http://android-developers.blogspot.com/2009/11/integrating-application-with-intents.html