added in version 24.1.0
belongs to Maven artifact com.android.support:support-fragment:28.0.0-alpha1

Summary: Methods | Inherited Methods | [Expand All]

FragmentController

public class FragmentController
extends Object

java.lang.Object
↳	android.support.v4.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
`void`	`attachHost(Fragment parent)` Attaches the host to the FragmentManager for this controller.
`static FragmentController`	`createController(FragmentHostCallback<?> callbacks)` Returns a `FragmentController`.
`void`	`dispatchActivityCreated()` Moves all Fragments managed by the controller's FragmentManager into the activity created state.
`void`	`dispatchConfigurationChanged(Configuration newConfig)` Lets all Fragments managed by the controller's FragmentManager know a configuration change occurred.
`boolean`	`dispatchContextItemSelected(MenuItem item)` Sends a context item selection event to the Fragments managed by the controller's FragmentManager.
`void`	`dispatchCreate()` Moves all Fragments managed by the controller's FragmentManager into the create state.
`boolean`	`dispatchCreateOptionsMenu(Menu menu, MenuInflater inflater)` Lets all Fragments managed by the controller's FragmentManager know they should create an options menu.
`void`	`dispatchDestroy()` Moves all Fragments managed by the controller's FragmentManager into the destroy state.
`void`	`dispatchDestroyView()` Moves all Fragments managed by the controller's FragmentManager into the destroy view state.
`void`	`dispatchLowMemory()` Lets all Fragments managed by the controller's FragmentManager know the device is in a low memory condition.
`void`	`dispatchMultiWindowModeChanged(boolean isInMultiWindowMode)` Lets all Fragments managed by the controller's FragmentManager know the multi-window mode of the activity changed.
`boolean`	`dispatchOptionsItemSelected(MenuItem item)` Sends an option item selection event to the Fragments managed by the controller's FragmentManager.
`void`	`dispatchOptionsMenuClosed(Menu menu)` Lets all Fragments managed by the controller's FragmentManager know their options menu has closed.
`void`	`dispatchPause()` Moves all Fragments managed by the controller's FragmentManager into the pause state.
`void`	`dispatchPictureInPictureModeChanged(boolean isInPictureInPictureMode)` Lets all Fragments managed by the controller's FragmentManager know the picture-in-picture mode of the activity changed.
`boolean`	`dispatchPrepareOptionsMenu(Menu menu)` Lets all Fragments managed by the controller's FragmentManager know they should prepare their options menu for display.
`void`	`dispatchReallyStop()`
`void`	`dispatchResume()` Moves all Fragments managed by the controller's FragmentManager into the resume state.
`void`	`dispatchStart()` Moves all Fragments managed by the controller's FragmentManager into the start state.
`void`	`dispatchStop()` Moves all Fragments managed by the controller's FragmentManager into the stop state.
`void`	`doLoaderDestroy()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`doLoaderRetain()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`doLoaderStart()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`doLoaderStop(boolean retain)` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`dumpLoaders(String prefix, FileDescriptor fd, PrintWriter writer, String[] args)` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`boolean`	`execPendingActions()` Execute any pending actions for the Fragments managed by the controller's FragmentManager.
`Fragment`	`findFragmentByWho(String who)` Returns a fragment with the given identifier.
`List<Fragment>`	`getActiveFragments(List<Fragment> actives)` Returns the list of active fragments.
`int`	`getActiveFragmentsCount()` Returns the number of active fragments.
`FragmentManager`	`getSupportFragmentManager()` Returns a `FragmentManager` for this controller.
`LoaderManager`	`getSupportLoaderManager()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`noteStateNotSaved()` Marks the fragment state as unsaved.
`View`	`onCreateView(View parent, String name, Context context, AttributeSet attrs)` Instantiates a Fragment's view.
`void`	`reportLoaderStart()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`void`	`restoreAllState(Parcelable state, List<Fragment> nonConfigList)` This method was deprecated in API level 24.1.0. use `restoreAllState(Parcelable, FragmentManagerNonConfig)`
`void`	`restoreAllState(Parcelable state, FragmentManagerNonConfig nonConfig)` Restores the saved state for all Fragments.
`void`	`restoreLoaderNonConfig(SimpleArrayMap<String, LoaderManager> loaderManagers)` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`SimpleArrayMap<String, LoaderManager>`	`retainLoaderNonConfig()` This method was deprecated in API level 27.1.0. Loaders are managed separately from FragmentController
`FragmentManagerNonConfig`	`retainNestedNonConfig()` Returns a nested tree of Fragments that have opted to retain their instance across configuration changes.
`List<Fragment>`	`retainNonConfig()` This method was deprecated in API level 24.1.0. use `retainNestedNonConfig()` to also track retained nested child fragments
`Parcelable`	`saveAllState()` Saves the state for all Fragments.

Inherited methods

From class


  
    java.lang.Object

Public methods

attachHost

added in version 24.1.0

void attachHost (Fragment parent)

Attaches the host to the FragmentManager for this controller. The host must be attached before the FragmentManager can be used to manage Fragments.

Parameters
`parent`	`Fragment`

createController

added in version 24.1.0

FragmentController createController (FragmentHostCallback<?> callbacks)

Returns a FragmentController.

Parameters
`callbacks`	`FragmentHostCallback`

Returns
`FragmentController`

dispatchActivityCreated

added in version 24.1.0

void dispatchActivityCreated ()

Moves all Fragments managed by the controller's FragmentManager into the activity created state.

Call when Fragments should be informed their host has been created.

See also:

onActivityCreated(Bundle)

dispatchConfigurationChanged

added in version 24.1.0

void dispatchConfigurationChanged (Configuration newConfig)

Lets all Fragments managed by the controller's FragmentManager know a configuration change occurred.

Call when there is a configuration change.

Parameters
`newConfig`	`Configuration`

See also:

onConfigurationChanged(Configuration)

dispatchContextItemSelected

added in version 24.1.0

boolean dispatchContextItemSelected (MenuItem item)

Sends a context item selection event to the Fragments managed by the controller's FragmentManager. Once the event has been consumed, no additional handling will be performed.

Call immediately after an options menu item has been selected

Parameters
`item`	`MenuItem`

Returns
`boolean`	`true` if the context menu selection event was consumed

See also:

onContextItemSelected(MenuItem)

dispatchCreate

added in version 24.1.0

void dispatchCreate ()

Moves all Fragments managed by the controller's FragmentManager into the create state.

Call when Fragments should be created.

See also:

onCreate(Bundle)

dispatchCreateOptionsMenu

added in version 24.1.0

boolean dispatchCreateOptionsMenu (Menu menu, 
                MenuInflater inflater)

Lets all Fragments managed by the controller's FragmentManager know they should create an options menu.

Call when the Fragment should create an options menu.

Parameters
`menu`	`Menu`
`inflater`	`MenuInflater`

Returns
`boolean`	`true` if the options menu contains items to display

See also:

onCreateOptionsMenu(Menu, MenuInflater)

dispatchDestroy

added in version 24.1.0

void dispatchDestroy ()

Moves all Fragments managed by the controller's FragmentManager into the destroy state.

Call when Fragments should be destroyed.

See also:

onDestroy()

dispatchDestroyView

added in version 24.1.0

void dispatchDestroyView ()

Moves all Fragments managed by the controller's FragmentManager into the destroy view state.

Call when the Fragment's views should be destroyed.

See also:

onDestroyView()

dispatchLowMemory

added in version 24.1.0

void dispatchLowMemory ()

Lets all Fragments managed by the controller's FragmentManager know the device is in a low memory condition.

Call when the device is low on memory and Fragment's should trim their memory usage.

See also:

onLowMemory()

dispatchMultiWindowModeChanged

added in version 24.1.0

void dispatchMultiWindowModeChanged (boolean isInMultiWindowMode)

Lets all Fragments managed by the controller's FragmentManager know the multi-window mode of the activity changed.

Call when the multi-window mode of the activity changed.

Parameters
`isInMultiWindowMode`	`boolean`

See also:

onMultiWindowModeChanged(boolean)

dispatchOptionsItemSelected

added in version 24.1.0

boolean dispatchOptionsItemSelected (MenuItem item)

Sends an option item selection event to the Fragments managed by the controller's FragmentManager. Once the event has been consumed, no additional handling will be performed.

Call immediately after an options menu item has been selected

Parameters
`item`	`MenuItem`