ActionMode.Callback
public
static
interface
ActionMode.Callback
android.view.ActionMode.Callback |
Callback interface for action modes. Supplied to
View#startActionMode(Callback)
, a Callback
configures and handles events raised by a user's interaction with an action mode.
An action mode's lifecycle is as follows:
Callback#onCreateActionMode(ActionMode, Menu)
once on initial creationCallback#onPrepareActionMode(ActionMode, Menu)
after creation and any time theActionMode
is invalidatedCallback#onActionItemClicked(ActionMode, MenuItem)
any time a contextual action button is clickedCallback#onDestroyActionMode(ActionMode)
when the action mode is closed
Summary
Public methods | |
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abstract
boolean
|
onActionItemClicked(ActionMode mode, MenuItem item)
Called to report a user click on an action button. |
abstract
boolean
|
onCreateActionMode(ActionMode mode, Menu menu)
Called when action mode is first created. |
abstract
void
|
onDestroyActionMode(ActionMode mode)
Called when an action mode is about to be exited and destroyed. |
abstract
boolean
|
onPrepareActionMode(ActionMode mode, Menu menu)
Called to refresh an action mode's action menu whenever it is invalidated. |
Public methods
onActionItemClicked
public abstract boolean onActionItemClicked (ActionMode mode, MenuItem item)
Called to report a user click on an action button.
Parameters | |
---|---|
mode |
ActionMode : The current ActionMode |
item |
MenuItem : The item that was clicked |
Returns | |
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boolean |
true if this callback handled the event, false if the standard MenuItem invocation should continue. |
onCreateActionMode
public abstract boolean onCreateActionMode (ActionMode mode, Menu menu)
Called when action mode is first created. The menu supplied will be used to generate action buttons for the action mode.
Parameters | |
---|---|
mode |
ActionMode : ActionMode being created |
menu |
Menu : Menu used to populate action buttons |
Returns | |
---|---|
boolean |
true if the action mode should be created, false if entering this mode should be aborted. |
onDestroyActionMode
public abstract void onDestroyActionMode (ActionMode mode)
Called when an action mode is about to be exited and destroyed.
Parameters | |
---|---|
mode |
ActionMode : The current ActionMode being destroyed |
onPrepareActionMode
public abstract boolean onPrepareActionMode (ActionMode mode, Menu menu)
Called to refresh an action mode's action menu whenever it is invalidated.
Parameters | |
---|---|
mode |
ActionMode : ActionMode being prepared |
menu |
Menu : Menu used to populate action buttons |
Returns | |
---|---|
boolean |
true if the menu or action mode was updated, false otherwise. |