[android-developers] Automatic device resident apps running in bkgrd

I'm new to Android development, so please pardon if this question seems too fundmental. I was wondering if it was possible to create an application that once launched is always "ON" even when the phone is not being used (unless of course the user manually terminates it or the battery runs out) and

[android-developers] Background Application Consistently On

I'm not that familiar with Android development, just IOS so please pardon if this is question seems too fundamental. I'm oking to create an applicaiton that once launched will consistently be "on" ... even when the individual is not actively using the phone/app. At various intervals, the applicat