Added in API level 23
Deprecated in API level 28

Summary: Ctors | Methods | Inherited Methods

FragmentHostCallback

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Kotlin |Java

public abstract class FragmentHostCallback
extends FragmentContainer

java.lang.Object
↳	android.app.FragmentContainer
	↳	android.app.FragmentHostCallback<E>

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This class was deprecated in API level 28.
Use the Support Library FragmentHostCallback

Integration points with the Fragment host.

Fragments may be hosted by any object; such as an Activity. In order to host fragments, implement FragmentHostCallback, overriding the methods applicable to the host.

Summary

Public constructors
FragmentHostCallback(Context context, Handler handler, int windowAnimations)

Public methods
void	onAttachFragment(Fragment fragment) Called when a Fragment is being attached to this host, immediately after the call to its Fragment.onAttach(Context) method and before Fragment.onCreate(Bundle).
void	onDump(String prefix, FileDescriptor fd, PrintWriter writer, String[] args) Print internal state into the given stream.
<T extends View> T	onFindViewById(int id) Return the view with the given resource ID.
abstract E	onGetHost() Return the object that's currently hosting the fragment.
LayoutInflater	onGetLayoutInflater() Return a LayoutInflater.
int	onGetWindowAnimations() Return the window animations.
boolean	onHasView() Return true if the container holds any view.
boolean	onHasWindowAnimations() Return true if there are window animations.
void	onInvalidateOptionsMenu() Invalidates the activity's options menu.
void	onRequestPermissionsFromFragment(Fragment fragment, String[] permissions, int requestCode) Requests permissions from the given fragment.
boolean	onShouldSaveFragmentState(Fragment fragment) Return true if the fragment's state needs to be saved.
void	onStartActivityFromFragment(Fragment fragment, Intent intent, int requestCode, Bundle options) Starts a new Activity from the given fragment.
void	onStartIntentSenderFromFragment(Fragment fragment, IntentSender intent, int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags, Bundle options) Starts a new IntentSender from the given fragment.
boolean	onUseFragmentManagerInflaterFactory() Return true if the FragmentManager's LayoutInflaterFactory should be used.

Inherited methods
From class android.app.FragmentContainer abstract <T extends View> T onFindViewById(int id) Return the view with the given resource ID. abstract boolean onHasView() Return true if the container holds any view.
From class java.lang.Object Object clone() Creates and returns a copy of this object. boolean equals(Object obj) Indicates whether some other object is "equal to" this one. void finalize() Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. final Class<?> getClass() Returns the runtime class of this Object. int hashCode() Returns a hash code value for the object. final void notify() Wakes up a single thread that is waiting on this object's monitor. final void notifyAll() Wakes up all threads that are waiting on this object's monitor. String toString() Returns a string representation of the object. final void wait(long timeoutMillis, int nanos) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. final void wait(long timeoutMillis) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed. final void wait() Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

FragmentHostCallback

Added in API level 23

public FragmentHostCallback (Context context, 
                Handler handler, 
                int windowAnimations)

Parameters
context	Context
handler	Handler
windowAnimations	int

Public methods

onAttachFragment

Added in API level 23

public void onAttachFragment (Fragment fragment)

Called when a Fragment is being attached to this host, immediately after the call to its Fragment.onAttach(Context) method and before Fragment.onCreate(Bundle).

Parameters
fragment	Fragment

onDump

Added in API level 23

public void onDump (String prefix, 
                FileDescriptor fd, 
                PrintWriter writer, 
                String[] args)

Print internal state into the given stream.

Parameters
prefix	String: Desired prefix to prepend at each line of output.
fd	FileDescriptor: The raw file descriptor that the dump is being sent to.
writer	PrintWriter: The PrintWriter to which you should dump your state. This will be closed for you after you return.
args	String: additional arguments to the dump request.

onFindViewById

Added in API level 23

public T onFindViewById (int id)

Return the view with the given resource ID. May return null if the view is not a child of this container.

Parameters
id	int

Returns
T	This value may be null.

onGetHost

Added in API level 23

public abstract E onGetHost ()

Return the object that's currently hosting the fragment. If a Fragment is hosted by a Activity, the object returned here should be the same object returned from Fragment.getActivity().

Returns
E	This value may be null.

onGetLayoutInflater

Added in API level 23

public LayoutInflater onGetLayoutInflater ()

Return a LayoutInflater. See Activity.getLayoutInflater().

Returns
LayoutInflater

onGetWindowAnimations

Added in API level 23

public int onGetWindowAnimations ()

Return the window animations.

Returns
int

onHasView

Added in API level 23

public boolean onHasView ()

Return true if the container holds any view.

Returns
boolean

onHasWindowAnimations

Added in API level 23

public boolean onHasWindowAnimations ()

Return true if there are window animations.

Returns
boolean

onInvalidateOptionsMenu

Added in API level 23

public void onInvalidateOptionsMenu ()

Invalidates the activity's options menu. See Activity.invalidateOptionsMenu()

onRequestPermissionsFromFragment

Added in API level 23

public void onRequestPermissionsFromFragment (Fragment fragment, 
                String[] permissions, 
                int requestCode)

Requests permissions from the given fragment. See Activity.requestPermissions(String[], int)

Parameters
fragment	Fragment: This value cannot be null.
permissions	String: This value cannot be null.
requestCode	int

onShouldSaveFragmentState

Added in API level 23

public boolean onShouldSaveFragmentState (Fragment fragment)

Return true if the fragment's state needs to be saved.

Parameters
fragment	Fragment

Returns
boolean

onStartActivityFromFragment

Added in API level 23

public void onStartActivityFromFragment (Fragment fragment, 
                Intent intent, 
                int requestCode, 
                Bundle options)

Starts a new Activity from the given fragment. See Activity.startActivityForResult(Intent, int).

Parameters
fragment	Fragment
intent	Intent
requestCode	int
options	Bundle

onStartIntentSenderFromFragment

Added in API level 24
Deprecated in API level 28

public void onStartIntentSenderFromFragment (Fragment fragment, 
                IntentSender intent, 
                int requestCode, 
                Intent fillInIntent, 
                int flagsMask, 
                int flagsValues, 
                int extraFlags, 
                Bundle options)

Starts a new IntentSender from the given fragment. See Activity.startIntentSender(IntentSender, Intent, int, int, int, Bundle).

Parameters
fragment	Fragment
intent	IntentSender
requestCode	int
fillInIntent	Intent: This value may be null.
flagsMask	int
flagsValues	int
extraFlags	int
options	Bundle

Throws
IntentSender.SendIntentException

onUseFragmentManagerInflaterFactory

Added in API level 23

public boolean onUseFragmentManagerInflaterFactory ()

Return true if the FragmentManager's LayoutInflaterFactory should be used.

Returns
boolean