How does the lifecycle of a fragment depend on the stage of its parent Activity?

The lifecycle of a fragment is closely related to the lifecycle of its parent Activity. When the Activity transitions to a certain state, the fragments within it receive corresponding lifecycle method calls. For example, when onPause() is called on the Activity, onPause() is also called on the fragments. If the Activity is destroyed, the fragments are destroyed as well. Therefore, fragments cannot exist independently of the Activity, and their lifecycle depends on the state of the Activity.