So, you’ve got the SDK running, and have a strange confusion about just what exactly is going on. By now you’ve hopefully overcome the culture shock and a lack of a main() function.
So… what can this thing do? What is an ‘Activity’? What is a ‘Service’? The phone just killed my app because the user pressed the home button… what’s going on?
Grab a cup of tea and watch the following videos, they’ll help. I’ll embed the first one, but link to the others. You’ll also find the Application Fundamentals part of the development guide useful, specifically the activity lifecycle.
