What is fragment and its lifecycle

Question 1

How is it related to activity

Answer 1

A fragment life cycle is closely related to the lifecycle of its host activity which means when the activity is in the pause state, all the fragments available in the activity will also stop.

Question 2

onAttatch

Answer 2

 This method called first, To know that our fragment has been attached to an activity. We are passing the Activity that will host our fragment.

Question 3

onCreate

Answer 3

This method called when a fragment instance initializes, just after the onAttach where fragment attaches to the host activity.

Question 4

onCreateView() 

Answer 4

The method called when it’s time for the fragment to draw its user interface for the first time. To draw a UI for your fragment, you must return a View component from this method that is the root of your fragment’s layout. You can return null if the fragment does not provide a UI.

Question 5

onActivityCreated

Answer 5

This method called when Activity completes its onCreate() method

Question 6

onStart() 

Answer 6

This method called when a fragment is visible.

Question 7

onResume()

Answer 7

This method called when a fragment is visible and allowing the user to interact with it. Fragment resumes only after activity resumes.

Question 8

onPause

Answer 8

onPause() — This method called when a fragment is not allowing the user to interact; the fragment will get change with other fragment or it gets removed from activity or fragment’s activity called a pause.

Question 9

onStop

Answer 9

This method called when the fragment is no longer visible; the fragment will get change with other fragment or it gets removed from activity or fragment’s activity called stop.

Question 10

onDestroyView

Answer 10

This method called when the view and related resources created in onCreateView() are removed from the activity’s view hierarchy and destroyed.

Question 11

onDestroy

Answer 11

This method called when the fragment does its final clean up.

Question 12

onDetach

Answer 12

This method called when the fragment is detached from its host activity.