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FragmentActivity

public class FragmentActivity
extends ComponentActivity implements ActivityCompat.OnRequestPermissionsResultCallback

java.lang.Object
   ↳ android.content.Context
     ↳ android.content.ContextWrapper
       ↳ android.view.ContextThemeWrapper
         ↳ android.app.Activity
           ↳ androidx.activity.ComponentActivity
             ↳ androidx.fragment.app.FragmentActivity


Base class for activities that want to use the support-based Fragments.

Known limitations:

  • When using the <fragment> tag, this implementation can not use the parent view's ID as the new fragment's ID. You must explicitly specify an ID (or tag) in the <fragment>.

Summary

Inherited constants

Inherited fields

Public constructors

FragmentActivity()

Default constructor for FragmentActivity.

FragmentActivity(int contentLayoutId)

Alternate constructor that can be used to provide a default layout that will be inflated as part of super.onCreate(savedInstanceState).

Public methods

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

Print the Activity's state into the given stream.

FragmentManager getSupportFragmentManager()

Return the FragmentManager for interacting with fragments associated with this activity.

LoaderManager getSupportLoaderManager()

This method is deprecated. Use LoaderManager.getInstance(this).

void onAttachFragment(Fragment fragment)

This method is deprecated. The responsibility for listening for fragments being attached has been moved to FragmentManager. You can add a listener to this Activity's FragmentManager by calling FragmentManager.addFragmentOnAttachListener(FragmentOnAttachListener) in your constructor to get callbacks when a fragment is attached directly to the activity's FragmentManager.

void onConfigurationChanged(Configuration newConfig)

Dispatch configuration change to all fragments.

boolean onCreatePanelMenu(int featureId, Menu menu)

Dispatch to Fragment.onCreateOptionsMenu().

View onCreateView(View parent, String name, Context context, AttributeSet attrs)
View onCreateView(String name, Context context, AttributeSet attrs)
void onLowMemory()

Dispatch onLowMemory() to all fragments.

boolean onMenuItemSelected(int featureId, MenuItem item)

Dispatch context and options menu to fragments.

void onMultiWindowModeChanged(boolean isInMultiWindowMode)

Note: If you override this method you must call super.onMultiWindowModeChanged to correctly dispatch the event to support fragments attached to this activity.

void onPanelClosed(int featureId, Menu menu)

Call onOptionsMenuClosed() on fragments.

void onPictureInPictureModeChanged(boolean isInPictureInPictureMode)

Note: If you override this method you must call super.onPictureInPictureModeChanged to correctly dispatch the event to support fragments attached to this activity.

boolean onPreparePanel(int featureId, View view, Menu menu)

Dispatch onPrepareOptionsMenu() to fragments.

void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults)

This method is deprecated. use registerForActivityResult(ActivityResultContract, ActivityResultCallback) passing in a ActivityResultContracts.RequestMultiplePermissions object for the ActivityResultContract and handling the result in the callback.

void onStateNotSaved()

Hook in to note that fragment state is no longer saved.

void setEnterSharedElementCallback(SharedElementCallback callback)

When ActivityOptions.makeSceneTransitionAnimation(Activity, android.view.View, String) was used to start an Activity, callback will be called to handle shared elements on the launched Activity.

void setExitSharedElementCallback(SharedElementCallback listener)

When ActivityOptions.makeSceneTransitionAnimation(Activity, android.view.View, String) was used to start an Activity, listener will be called to handle shared elements on the launching Activity.

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

Called by Fragment.startActivityForResult() to implement its behavior.

void startActivityFromFragment(Fragment fragment, Intent intent, int requestCode)

Called by Fragment.startActivityForResult() to implement its behavior.

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

This method is deprecated. Fragments should use Fragment.registerForActivityResult(ActivityResultContract, ActivityResultCallback) with the ActivityResultContracts.StartIntentSenderForResult contract. This method will still be called when Fragments call the deprecated startIntentSenderForResult() method.

void supportFinishAfterTransition()

Reverses the Activity Scene entry Transition and triggers the calling Activity to reverse its exit Transition.

void supportInvalidateOptionsMenu()

This method is deprecated. Call Activity.invalidateOptionsMenu() directly.

void supportPostponeEnterTransition()

Support library version of Activity.postponeEnterTransition() that works only on API 21 and later.

void supportStartPostponedEnterTransition()

Support library version of Activity.startPostponedEnterTransition() that only works with API 21 and later.

final void validateRequestPermissionsRequestCode(int requestCode)

This method is deprecated. there are no longer any restrictions on permissions requestCodes.

Protected methods

void onActivityResult(int requestCode, int resultCode, Intent data)

This method is deprecated. use registerForActivityResult(ActivityResultContract, ActivityResultCallback) with the appropriate ActivityResultContract and handling the result in the callback.

void onCreate(Bundle savedInstanceState)

Perform initialization of all fragments.

void onDestroy()

Destroy all fragments.

void onNewIntent(Intent intent)

Handle onNewIntent() to inform the fragment manager that the state is not saved.

void onPause()

Dispatch onPause() to fragments.

void onPostResume()

Dispatch onResume() to fragments.

void onResume()

Dispatch onResume() to fragments.

void onResumeFragments()

This is the fragment-orientated version of onResume() that you can override to perform operations in the Activity at the same point where its fragments are resumed.

void onSaveInstanceState(Bundle outState)

Save all appropriate fragment state.

void onStart()

Dispatch onStart() to all fragments.

void onStop()

Dispatch onStop() to all fragments.

Inherited methods

Public constructors

FragmentActivity

public FragmentActivity ()

Default constructor for FragmentActivity. All Activities must have a default constructor for API 27 and lower devices or when using the default AppComponentFactory.

FragmentActivity

public FragmentActivity (int contentLayoutId)

Alternate constructor that can be used to provide a default layout that will be inflated as part of super.onCreate(savedInstanceState).

This should generally be called from your constructor that takes no parameters, as is required for API 27 and lower or when using the default AppComponentFactory.

Parameters
contentLayoutId int

See also:

Public methods

dump

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

Print the Activity's state into the given stream. This gets invoked if you run "adb shell dumpsys activity ".

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.

getSupportFragmentManager

public FragmentManager getSupportFragmentManager ()

Return the FragmentManager for interacting with fragments associated with this activity.

Returns
FragmentManager

getSupportLoaderManager

public LoaderManager getSupportLoaderManager ()

This method is deprecated.
Use LoaderManager.getInstance(this).

Returns
LoaderManager

onAttachFragment

public void onAttachFragment (Fragment fragment)

This method is deprecated.
The responsibility for listening for fragments being attached has been moved to FragmentManager. You can add a listener to this Activity's FragmentManager by calling FragmentManager.addFragmentOnAttachListener(FragmentOnAttachListener) in your constructor to get callbacks when a fragment is attached directly to the activity's FragmentManager.

Called when a fragment is attached to the activity.

This is called after the attached fragment's onAttach and before the attached fragment's onCreate if the fragment has not yet had a previous call to onCreate.

Parameters
fragment Fragment

onConfigurationChanged

public void onConfigurationChanged (Configuration newConfig)

Dispatch configuration change to all fragments.

Parameters
newConfig Configuration

onCreatePanelMenu

public boolean onCreatePanelMenu (int featureId, 
                Menu menu)

Dispatch to Fragment.onCreateOptionsMenu().

Parameters
featureId int

menu Menu

Returns
boolean

onCreateView

public View onCreateView (View parent, 
                String name, 
                Context context, 
                AttributeSet attrs)

Parameters
parent View

name String

context Context

attrs AttributeSet

Returns
View

onCreateView

public View onCreateView (String name, 
                Context context, 
                AttributeSet attrs)

Parameters
name String

context Context

attrs AttributeSet

Returns
View

onLowMemory

public void onLowMemory ()

Dispatch onLowMemory() to all fragments.

onMenuItemSelected

public boolean onMenuItemSelected (int featureId, 
                MenuItem item)

Dispatch context and options menu to fragments.

Parameters
featureId int

item MenuItem

Returns
boolean

onMultiWindowModeChanged

public void onMultiWindowModeChanged (boolean isInMultiWindowMode)

Note: If you override this method you must call super.onMultiWindowModeChanged to correctly dispatch the event to support fragments attached to this activity.

Parameters
isInMultiWindowMode boolean: True if the activity is in multi-window mode.

onPanelClosed

public void onPanelClosed (int featureId, 
                Menu menu)

Call onOptionsMenuClosed() on fragments.

Parameters
featureId int

menu Menu

onPictureInPictureModeChanged

public void onPictureInPictureModeChanged (boolean isInPictureInPictureMode)

Note: If you override this method you must call super.onPictureInPictureModeChanged to correctly dispatch the event to support fragments attached to this activity.

Parameters
isInPictureInPictureMode boolean: True if the activity is in picture-in-picture mode.

onPreparePanel

public boolean onPreparePanel (int featureId, 
                View view, 
                Menu menu)

Dispatch onPrepareOptionsMenu() to fragments.

Parameters
featureId int

view View

menu Menu

Returns
boolean

onRequestPermissionsResult

public void onRequestPermissionsResult (int requestCode, 
                String[] permissions, 
                int[] grantResults)

This method is deprecated.
use registerForActivityResult(ActivityResultContract, ActivityResultCallback) passing in a ActivityResultContracts.RequestMultiplePermissions object for the ActivityResultContract and handling the result in the callback.

Parameters
requestCode int

permissions String

grantResults int

onStateNotSaved

public void onStateNotSaved ()

Hook in to note that fragment state is no longer saved.

setEnterSharedElementCallback

public void setEnterSharedElementCallback (SharedElementCallback callback)

When ActivityOptions.makeSceneTransitionAnimation(Activity, android.view.View, String) was used to start an Activity, callback will be called to handle shared elements on the launched Activity. This requires Window.FEATURE_CONTENT_TRANSITIONS.

Parameters
callback SharedElementCallback: Used to manipulate shared element transitions on the launched Activity.

setExitSharedElementCallback

public void setExitSharedElementCallback (SharedElementCallback listener)

When ActivityOptions.makeSceneTransitionAnimation(Activity, android.view.View, String) was used to start an Activity, listener will be called to handle shared elements on the launching Activity. Most calls will only come when returning from the started Activity. This requires Window.FEATURE_CONTENT_TRANSITIONS.

Parameters
listener SharedElementCallback: Used to manipulate shared element transitions on the launching Activity.

startActivityFromFragment

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

Called by Fragment.startActivityForResult() to implement its behavior.

Parameters
fragment Fragment: the Fragment to start the activity from.

intent Intent: The intent to start.

requestCode int: The request code to be returned in Fragment.onActivityResult(int, int, Intent) when the activity exits. Must be between 0 and 65535 to be considered valid. If given requestCode is greater than 65535, an IllegalArgumentException would be thrown.

options Bundle: Additional options for how the Activity should be started. See Context.startActivity(Intent, Bundle) for more details. This value may be null.

startActivityFromFragment

public void startActivityFromFragment (Fragment fragment, 
                Intent intent, 
                int requestCode)

Called by Fragment.startActivityForResult() to implement its behavior.

Parameters
fragment Fragment: the Fragment to start the activity from.

intent Intent: The intent to start.

requestCode int: The request code to be returned in Fragment.onActivityResult(int, int, Intent) when the activity exits. Must be between 0 and 65535 to be considered valid. If given requestCode is greater than 65535, an IllegalArgumentException would be thrown.

startIntentSenderFromFragment

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

This method is deprecated.
Fragments should use Fragment.registerForActivityResult(ActivityResultContract, ActivityResultCallback) with the ActivityResultContracts.StartIntentSenderForResult contract. This method will still be called when Fragments call the deprecated startIntentSenderForResult() method.

Called by Fragment.startIntentSenderForResult() to implement its behavior.

Parameters
fragment Fragment: the Fragment to start the intent sender from.

intent IntentSender: The IntentSender to launch.

requestCode int: The request code to be returned in Fragment.onActivityResult(int, int, Intent) when the activity exits. Must be between 0 and 65535 to be considered valid. If given requestCode is greater than 65535, an IllegalArgumentException would be thrown.

fillInIntent Intent: If non-null, this will be provided as the intent parameter to IntentSender.sendIntent(Context, int, Intent, IntentSender.OnFinished, Handler). This value may be null.

flagsMask int: Intent flags in the original IntentSender that you would like to change.

flagsValues int: Desired values for any bits set in flagsMask.

extraFlags int: Always set to 0.

options Bundle: Additional options for how the Activity should be started. See Context.startActivity(Intent, Bundle) for more details. This value may be null.

Throws
if the call fails to execute.
IntentSender.SendIntentException

supportFinishAfterTransition

public void supportFinishAfterTransition ()

Reverses the Activity Scene entry Transition and triggers the calling Activity to reverse its exit Transition. When the exit Transition completes, Activity.finish() is called. If no entry Transition was used, finish() is called immediately and the Activity exit Transition is run.

On Android 4.4 or lower, this method only finishes the Activity with no special exit transition.

supportInvalidateOptionsMenu

public void supportInvalidateOptionsMenu ()

This method is deprecated.
Call Activity.invalidateOptionsMenu() directly.

Support library version of Activity.invalidateOptionsMenu().

Invalidate the activity's options menu. This will cause relevant presentations of the menu to fully update via calls to onCreateOptionsMenu and onPrepareOptionsMenu the next time the menu is requested.

supportPostponeEnterTransition

public void supportPostponeEnterTransition ()

Support library version of Activity.postponeEnterTransition() that works only on API 21 and later.

supportStartPostponedEnterTransition

public void supportStartPostponedEnterTransition ()

Support library version of Activity.startPostponedEnterTransition() that only works with API 21 and later.

validateRequestPermissionsRequestCode

public final void validateRequestPermissionsRequestCode (int requestCode)

This method is deprecated.
there are no longer any restrictions on permissions requestCodes.

Parameters
requestCode int

Protected methods

onActivityResult

protected void onActivityResult (int requestCode, 
                int resultCode, 
                Intent data)

This method is deprecated.
use registerForActivityResult(ActivityResultContract, ActivityResultCallback) with the appropriate ActivityResultContract and handling the result in the callback.

Parameters
requestCode int

resultCode int

data Intent

onCreate

protected void onCreate (Bundle savedInstanceState)

Perform initialization of all fragments.

Parameters
savedInstanceState Bundle

onDestroy

protected void onDestroy ()

Destroy all fragments.

onNewIntent

protected void onNewIntent (Intent intent)

Handle onNewIntent() to inform the fragment manager that the state is not saved. If you are handling new intents and may be making changes to the fragment state, you want to be sure to call through to the super-class here first. Otherwise, if your state is saved but the activity is not stopped, you could get an onNewIntent() call which happens before onResume() and trying to perform fragment operations at that point will throw IllegalStateException because the fragment manager thinks the state is still saved.

Parameters
intent Intent

onPause

protected void onPause ()

Dispatch onPause() to fragments.

onPostResume

protected void onPostResume ()

Dispatch onResume() to fragments.

onResume

protected void onResume ()

Dispatch onResume() to fragments. Note that for better inter-operation with older versions of the platform, at the point of this call the fragments attached to the activity are not resumed.

onResumeFragments

protected void onResumeFragments ()

This is the fragment-orientated version of onResume() that you can override to perform operations in the Activity at the same point where its fragments are resumed. Be sure to always call through to the super-class.

onSaveInstanceState

protected void onSaveInstanceState (Bundle outState)

Save all appropriate fragment state.

Parameters
outState Bundle

onStart

protected void onStart ()

Dispatch onStart() to all fragments.

onStop

protected void onStop ()

Dispatch onStop() to all fragments.