why should i use android service instead of java thread

Question

I am confused with android services and java thread.

Please help me to understand in which scenario i should use them.

As per my understanding

Answer 1

Always: A service of your application is usable not only by other components of your application, but by other applications, too.

A service is for use in not-GUI parts of program.

Mostly: A service is something more independent, than a thread. Service is something more long-living than a thread. Service is something more complex than a thread.

BTW, threads do not run in background only. What runs in foreground, is a thread, too.