Câu trả lời Describe different types of Services in Android
There are three main types of services in Android:
Foreground Services: These services perform operations that are noticeable to the user, such as playing music in an app like Spotify[1][4]. Foreground services must display a persistent notification to the user[1].
Background Services: These services perform operations in the background without the user's knowledge, such as scheduled data syncing[1][4]. Background services do not display notifications to the user[4].
Bound Services: These services allow application components like activities to bind to them using the bindService() method[1][4]. Bound services provide a client-server interface for interacting with the service, allowing components to send requests, receive results, and perform interprocess communication (IPC)[1][2]. Bound services run until all bound components unbind[1].
Services can be started by calling startService() which puts the service in a started state[1][4]. The service runs in the background even if the component that started it is destroyed[4]. To stop a started service, you can call stopService() or the service can stop itself by calling stopSelf()[1][4].
Bound services are started when a component calls `b...
