title: How to call activity of one project from activity of another project in android?Also vice versa?
body: <p>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?</p>
  
  <p>Also,the activities of the other two projects should be able to call each other.How to do this?</p>