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Added in API level 1
Deprecated since API level 13

Summary: Ctors | Methods | Inherited Methods | [Expand All]

LocalActivityManager

public class LocalActivityManager
extends Object

java.lang.Object
↳	android.app.LocalActivityManager

This class was deprecated in API level 13.
Use the new Fragment and FragmentManager APIs instead; these are also available on older platforms through the Android compatibility package.

Helper class for managing multiple running embedded activities in the same process. This class is not normally used directly, but rather created for you as part of the ActivityGroup implementation.

See also:

ActivityGroup

Summary

Public constructors
`LocalActivityManager(Activity parent, boolean singleMode)` Create a new LocalActivityManager for holding activities running within the given `parent`.

Public methods
`Window`	`destroyActivity(String id, boolean finish)` Destroy the activity associated with a particular id.
`void`	`dispatchCreate(Bundle state)` Restore a state that was previously returned by `saveInstanceState()`.
`void`	`dispatchDestroy(boolean finishing)` Called by the container activity in its `onDestroy()` so that LocalActivityManager can perform the corresponding action on the activities it holds.
`void`	`dispatchPause(boolean finishing)` Called by the container activity in its `onPause()` so that LocalActivityManager can perform the corresponding action on the activities it holds.
`void`	`dispatchResume()` Called by the container activity in its `onResume()` so that LocalActivityManager can perform the corresponding action on the activities it holds.
`void`	`dispatchStop()` Called by the container activity in its `onStop()` so that LocalActivityManager can perform the corresponding action on the activities it holds.
`Activity`	`getActivity(String id)` Return the Activity object associated with a string ID.
`Activity`	`getCurrentActivity()` Retrieve the Activity that is currently running.
`String`	`getCurrentId()` Retrieve the ID of the activity that is currently running.
`void`	`removeAllActivities()` Remove all activities from this LocalActivityManager, performing an `onDestroy()` on any that are currently instantiated.
`Bundle`	`saveInstanceState()` Retrieve the state of all activities known by the group.
`Window`	`startActivity(String id, Intent intent)` Start a new activity running in the group.

Inherited methods

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 millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

LocalActivityManager

Added in API level 1

LocalActivityManager (Activity parent, 
                boolean singleMode)

Create a new LocalActivityManager for holding activities running within the given parent.

Parameters
`parent`	`Activity`: the host of the embedded activities
`singleMode`	`boolean`: True if the LocalActivityManger should keep a maximum of one activity resumed

Public methods

destroyActivity

Added in API level 1

Window destroyActivity (String id, 
                boolean finish)

Destroy the activity associated with a particular id. This activity will go through the normal lifecycle events and fine onDestroy(), and then the id removed from the group.

Parameters
`id`	`String`: Unique identifier of the activity to be destroyed
`finish`	`boolean`: If true, this activity will be finished, so its id and all state are removed from the group.

Returns
`Window`	Returns the window that was used to display the activity, or null if there was none.

dispatchCreate

Added in API level 1

void dispatchCreate (Bundle state)

Restore a state that was previously returned by saveInstanceState(). This adds to the activity group information about all activity IDs that had previously been saved, even if they have not been started yet, so if the user later navigates to them the correct state will be restored.

Note: This does not change the current running activity, or start whatever activity was previously running when the state was saved. That is up to the client to do, in whatever way it thinks is best.

Parameters
`state`	`Bundle`: a previously saved state; does nothing if this is null

See also:

saveInstanceState()

dispatchDestroy

Added in API level 1

void dispatchDestroy (boolean finishing)

Called by the container activity in its onDestroy() so that LocalActivityManager can perform the corresponding action on the activities it holds.

Parameters
`finishing`	`boolean`

See also:

onDestroy()

dispatchPause

Added in API level 1

void dispatchPause (boolean finishing)

Called by the container activity in its onPause() so that LocalActivityManager can perform the corresponding action on the activities it holds.

Parameters
`finishing`	`boolean`: set to true if the parent activity has been finished; this can be determined by calling Activity.isFinishing()

See also:

onPause()
isFinishing()

dispatchResume

Added in API level 1

void dispatchResume ()

Called by the container activity in its onResume() so that LocalActivityManager can perform the corresponding action on the activities it holds.

See also:

onResume()

dispatchStop

Added in API level 1

void dispatchStop ()

Called by the container activity in its onStop() so that LocalActivityManager can perform the corresponding action on the activities it holds.

See also:

onStop()

getActivity

Added in API level 1

Activity getActivity (String id)

Return the Activity object associated with a string ID.

Parameters
`id`	`String`

Returns
`Activity`	the associated Activity object, or null if the id is unknown or its activity is not currently instantiated

See also:

startActivity(String, Intent)

getCurrentActivity

Added in API level 1

Activity getCurrentActivity ()

Retrieve the Activity that is currently running.

Returns
`Activity`	the currently running (resumed) Activity, or null if there is not one

See also:

getCurrentId

Added in API level 1

String getCurrentId ()

Retrieve the ID of the activity that is currently running.

Returns
`String`	the ID of the currently running (resumed) Activity, or null if there is not one

See also:

removeAllActivities

Added in API level 1

void removeAllActivities ()

Remove all activities from this LocalActivityManager, performing an onDestroy() on any that are currently instantiated.

saveInstanceState

Added in API level 1

Bundle saveInstanceState ()

Retrieve the state of all activities known by the group. For activities that have previously run and are now stopped or finished, the last saved state is used. For the current running activity, its onSaveInstanceState(Bundle) is called to retrieve its current state.

Returns
`Bundle`	a Bundle holding the newly created state of all known activities

See also:

dispatchCreate(Bundle)

startActivity

Added in API level 1

Window startActivity (String id, 
                Intent intent)

Start a new activity running in the group. Every activity you start must have a unique string ID associated with it -- this is used to keep track of the activity, so that if you later call startActivity() again on it the same activity object will be retained.

When there had previously been an activity started under this id, it may either be destroyed and a new one started, or the current one re-used, based on these conditions, in order:

If the Intent maps to a different activity component than is currently running, the current activity is finished and a new one started.
If the current activity uses a non-multiple launch mode (such as singleTop), or the Intent has the FLAG_ACTIVITY_SINGLE_TOP flag set, then the current activity will remain running and its Activity.onNewIntent() method called.
If the new Intent is the same (excluding extras) as the previous one, and the new Intent does not have the FLAG_ACTIVITY_CLEAR_TOP set, then the current activity will remain running as-is.
Otherwise, the current activity will be finished and a new one started.

If the given Intent can not be resolved to an available Activity, this method throws ActivityNotFoundException.

Warning: There is an issue where, if the Intent does not include an explicit component, we can restore the state for a different activity class than was previously running when the state was saved (if the set of available activities changes between those points).

Parameters
`id`	`String`: Unique identifier of the activity to be started
`intent`	`Intent`: The Intent describing the activity to be started

Returns
`Window`	Returns the window of the activity. The caller needs to take care of adding this window to a view hierarchy, and likewise dealing with removing the old window if the activity has changed.

Throws
`ActivityNotFoundException`