What is the difference between background and foreground services in Android?

A background service runs without direct interaction with the user and can be terminated by the system when resources are scarce. The system prioritizes it lower than visible components.

A foreground service performs operations noticeable to the user and requires a persistent notification in the status bar. It has a higher priority and is less likely to be terminated by the system.

Main differences:

	Background Service	Foreground Service
Visibility	No	Yes, with mandatory notification
Priority	Low	High
Termination by system	Likely when resources are scarce	Less likely
Requirements	No special requirements	Requires startForeground and notification

Example of starting a foreground service:

// Creating an intent for the service
Intent serviceIntent = new Intent(this, MyForegroundService.class);

// Starting the service as foreground
startForegroundService(serviceIntent);

Example of starting a background service:

// Creating an intent for the service
Intent serviceIntent = new Intent(this, MyBackgroundService.class);

// Starting the service as background
startService(serviceIntent);