[android-beginners] Stupid Question

We're allowed to create simple classes with helper methods, right? I guess my question is, do they need to extend activity or service? Do I need to declare them in AndroidManifest? An example of what I want is my own type of array, called NoobList.class, which extends ArrayList. I can just

[android-beginners] Why won't it start here?

Is there any problem with launching a service via an Alarm's BroadcastReceiver's onReceive? My service never has it's onCreate or onStart method called. My Alarm's receiver gets a wakelock, calls context.startService(new Intent(context, FmiDaemon.class)); (context given via onRecieve parameter),