I am trying to understand how to communicate between applications in Android - not just between Activity
instances.
I set up a \'client\' that sends a Messe
If you dont want to use a persistence layer somewhere ( i use cloud apis ) you could run a service in a separate process and bind to the service the respective apps that need the shared value-holder type object data. the service would be where you construct and get the obj values on behalf of connecting ( binding ) apps.