FragmentController

Kotlin |Java

open class FragmentController

kotlin.Any
↳	androidx.fragment.app.FragmentController

Provides integration points with a FragmentManager for a fragment host.

It is the responsibility of the host to take care of the Fragment's lifecycle. The methods provided by FragmentController are for that purpose.

Summary

Public methods
open Unit	`attachHost(@Nullable parent: Fragment?)` Attaches the host to the FragmentManager for this controller.
open static FragmentController	`createController(@NonNull callbacks: FragmentHostCallback<*>)` Returns a `FragmentController`.
open Unit	`dispatchActivityCreated()` Moves all Fragments managed by the controller's FragmentManager into the activity created state.
open Unit	`dispatchConfigurationChanged(@NonNull newConfig: Configuration)` Lets all Fragments managed by the controller's FragmentManager know a configuration change occurred.
open Boolean	`dispatchContextItemSelected(@NonNull item: MenuItem)` Sends a context item selection event to the Fragments managed by the controller's FragmentManager.
open Unit	`dispatchCreate()` Moves all Fragments managed by the controller's FragmentManager into the create state.
open Boolean	`dispatchCreateOptionsMenu(@NonNull menu: Menu, @NonNull inflater: MenuInflater)` Lets all Fragments managed by the controller's FragmentManager know they should create an options menu.
open Unit	`dispatchDestroy()` Moves Fragments managed by the controller's FragmentManager into the destroy state.
open Unit	`dispatchDestroyView()` Moves all Fragments managed by the controller's FragmentManager into the destroy view state.
open Unit	`dispatchLowMemory()` Lets all Fragments managed by the controller's FragmentManager know the device is in a low memory condition.
open Unit	`dispatchMultiWindowModeChanged(isInMultiWindowMode: Boolean)` Lets all Fragments managed by the controller's FragmentManager know the multi-window mode of the activity changed.
open Boolean	`dispatchOptionsItemSelected(@NonNull item: MenuItem)` Sends an option item selection event to the Fragments managed by the controller's FragmentManager.
open Unit	`dispatchOptionsMenuClosed(@NonNull menu: Menu)` Lets all Fragments managed by the controller's FragmentManager know their options menu has closed.
open Unit	`dispatchPause()` Moves all Fragments managed by the controller's FragmentManager into the pause state.
open Unit	`dispatchPictureInPictureModeChanged(isInPictureInPictureMode: Boolean)` Lets all Fragments managed by the controller's FragmentManager know the picture-in-picture mode of the activity changed.
open Boolean	`dispatchPrepareOptionsMenu(@NonNull menu: Menu)` Lets all Fragments managed by the controller's FragmentManager know they should prepare their options menu for display.
open Unit	`dispatchReallyStop()`
open Unit	`dispatchResume()` Moves all Fragments managed by the controller's FragmentManager into the resume state.
open Unit	`dispatchStart()` Moves all Fragments managed by the controller's FragmentManager into the start state.
open Unit	`dispatchStop()` Moves all Fragments managed by the controller's FragmentManager into the stop state.
open Unit	`doLoaderDestroy()` Destroys the loaders and, if their state is not being retained, removes them.
open Unit	`doLoaderRetain()` Retains the state of each of the loaders.
open Unit	`doLoaderStart()` Starts the loaders.
open Unit	`doLoaderStop(retain: Boolean)` Stops the loaders, optionally retaining their state.
open Unit	`dumpLoaders(@NonNull prefix: String, @Nullable fd: FileDescriptor?, @NonNull writer: PrintWriter, @Nullable args: Array<String!>?)` Dumps the current state of the loaders.
open Boolean	`execPendingActions()` Execute any pending actions for the Fragments managed by the controller's FragmentManager.
open Fragment?	`findFragmentByWho(@NonNull who: String)` Returns a fragment with the given identifier.
open MutableList<Fragment!>	`getActiveFragments(actives: MutableList<Fragment!>!)` Returns the list of active fragments.
open Int	`getActiveFragmentsCount()` Returns the number of active fragments.
open FragmentManager	`getSupportFragmentManager()` Returns a `FragmentManager` for this controller.
open LoaderManager!	`getSupportLoaderManager()` Returns a `LoaderManager`.
open Unit	`noteStateNotSaved()` Marks the fragment state as unsaved.