FragmentHostCallback
public abstract class FragmentHostCallback
extends FragmentContainer
java.lang.Object | ||
↳ | android.app.FragmentContainer | |
↳ | android.app.FragmentHostCallback<E> |
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 | |
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FragmentHostCallback(Context context, Handler handler, int windowAnimations) |
Public methods | |
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void | onAttachFragment(Fragment fragment) Called when a |
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 |
int | onGetWindowAnimations() Return the window animations. |
boolean | onHasView() Return |
boolean | onHasWindowAnimations() Return |
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 |
void | onStartActivityFromFragment(Fragment fragment, Intent intent, int requestCode, Bundle options) Starts a new |
void | onStartIntentSenderFromFragment(Fragment fragment, IntentSender intent, int requestCode, Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags, Bundle options) Starts a new |
boolean | onUseFragmentManagerInflaterFactory() Return |
Inherited methods | |
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Public constructors
FragmentHostCallback
public FragmentHostCallback (Context context, Handler handler, int windowAnimations)
Parameters | |
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context | Context |
handler | Handler |
windowAnimations | int |
Public methods
onAttachFragment
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 | |
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fragment | Fragment |
onDump
public void onDump (String prefix, FileDescriptor fd, PrintWriter writer, String[] args)
Print internal state into the given stream.
Parameters | |
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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
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 | |
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id | int |
Returns | |
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T | This value may be null . |
onGetHost
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 | |
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E | This value may be null . |
onGetLayoutInflater
public LayoutInflater onGetLayoutInflater ()
Return a LayoutInflater
. See Activity.getLayoutInflater()
.
Returns | |
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LayoutInflater |
onGetWindowAnimations
public int onGetWindowAnimations ()
Return the window animations.
Returns | |
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int |
onHasView
public boolean onHasView ()
Return true
if the container holds any view.
Returns | |
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boolean |
onHasWindowAnimations
public boolean onHasWindowAnimations ()
Return true
if there are window animations.
Returns | |
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boolean |
onInvalidateOptionsMenu
public void onInvalidateOptionsMenu ()
Invalidates the activity's options menu. See Activity.invalidateOptionsMenu()
onRequestPermissionsFromFragment
public void onRequestPermissionsFromFragment (Fragment fragment, String[] permissions, int requestCode)
Requests permissions from the given fragment. See Activity.requestPermissions(String[], int)
Parameters | |
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fragment | Fragment : This value cannot be null . |
permissions | String : This value cannot be null . |
requestCode | int |
onShouldSaveFragmentState
public boolean onShouldSaveFragmentState (Fragment fragment)
Return true
if the fragment's state needs to be saved.
Parameters | |
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fragment | Fragment |
Returns | |
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boolean |
onStartActivityFromFragment
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 | |
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fragment | Fragment |
intent | Intent |
requestCode | int |
options | Bundle |
onStartIntentSenderFromFragment
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 | |
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fragment | Fragment |
intent | IntentSender |
requestCode | int |
fillInIntent | Intent : This value may be null . |
flagsMask | int |
flagsValues | int |
extraFlags | int |
options | Bundle |
Throws | |
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IntentSender.SendIntentException |
onUseFragmentManagerInflaterFactory
public boolean onUseFragmentManagerInflaterFactory ()
Return true
if the FragmentManager's LayoutInflaterFactory should be used.
Returns | |
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boolean |