What is the function of the FragmentManager?
What is the function of the FragmentManager?
FragmentManager is the class responsible for performing actions on your app’s fragments, such as adding, removing, or replacing them, and adding them to the back stack.
How do I get FragmentManager fragment?
FragmentManager fragmentManager = activity. getSupportFragmentManager(); FragmentTransaction fragmentTransaction = fragmentManager. beginTransaction(); Fragment newFragment = new FragmentType1(); fragmentTransaction.
What is a fragment activity?
A Fragment represents a reusable portion of your app’s UI. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. Fragments cannot live on their own–they must be hosted by an activity or another fragment.
What is difference between getSupportFragmentManager vs Getfragmentmanager?
getSupportFragmentManager and getChildFragmentManager FragmentManager is class provided by the framework which is used to create transactions for adding, removing or replacing fragments. getSupportFragmentManager is associated with Activity consider it as a FragmentManager for your Activity .
What is FragmentPagerAdapter behavior?
fragment manager that will interact with this adapter. @FragmentPagerAdapter.Behavior int behavior. determines if only current fragments are in a resumed state.
Is it better to use activity or fragment?
It is always hosted by an activity. It has its own layout and its own behavior with its own life cycle callbacks. We can add or remove fragments in an activity while the activity is running….Difference Table.
| Activity | Fragment |
|---|---|
| Activity can exist without a Fragment | Fragment cannot be used without an Activity. |
Which is better activity or fragment?
“ To put it simply : Use fragment when you have to change the UI components of application to significantly improve app response time. Use activity to launch existing Android resources like video player, browser etc.
What can I use instead of FragmentManager?
getFragmentManager() deprecation: The getFragmentManager() and requireFragmentManager() methods on Fragment have been deprecated and replaced with a single getParentFragmentManager() method, which returns the non-null FragmentManager the Fragment is added to (you can use isAdded() to determine if it is safe to call).
