Services are components running without a user interface and with a conceptual affinity toward long-running processes. They are separate from notifications in the status bar or a Toast. Services can be started by apps, or they can be bound to by apps, or both.
Services come in two flavors: foreground services and background services. While at first glance it seems to be a contradiction to speak of “foreground” services since so many people tend to say that “services run in the background,” foreground services do actually exist. The distinction between foreground and background services is crucial because their ...
