android studio fragment still shows activity layout

Manipulate each fragment independently, such as add or remove them. However, while anĪctivity is running (it is in the resumed lifecycle state), you can For example, when the activity is paused, so are allįragments in it, and when the activity is destroyed, so are all fragments. Which you can add or remove while the activity is running (sort of like a 'sub activity' thatĪ fragment must always be embedded in an activity and the fragment's lifecycle is directlyĪffected by the host activity's lifecycle. Modular section of an activity, which has its own lifecycle, receives its own input events, and Multi-pane UI and reuse a fragment in multiple activities.

You can combine multiple fragments in a single activity to build a Coordinating with the activity lifecycleĪ Fragment represents a behavior or a portion of user interface in anĪctivity.Creating event callbacks to the activity.Fragments require API Level 11 or greater.Fragments have their own lifecycle, state, and back stack.Add multiple fragments to a screen to avoid switching activities.Fragments decompose application functionality and UI into reusable modules.

Android studio fragment still shows activity layout