Android APIs
public static class

ActivityManager.RecentTaskInfo

extends Object
implements Parcelable
java.lang.Object
   ↳ android.app.ActivityManager.RecentTaskInfo

Class Overview

Information you can retrieve about tasks that the user has most recently started or visited.

Summary

[Expand]
Inherited Constants
From interface android.os.Parcelable
Fields
public static final Creator<ActivityManager.RecentTaskInfo> CREATOR
public int affiliatedTaskId Task affiliation for grouping with other tasks.
public ComponentName baseActivity The component launched as the first activity in the task.
public Intent baseIntent The original Intent used to launch the task.
public CharSequence description Description of the task's last state.
public int id If this task is currently running, this is the identifier for it.
public int numActivities Number of activities in this task.
public ComponentName origActivity If this task was started from an alias, this is the actual activity component that was initially started; the component of the baseIntent in this case is the name of the actual activity implementation that the alias referred to.
public int persistentId The true identifier of this task, valid even if it is not running.
public ActivityManager.TaskDescription taskDescription The recent activity values for the highest activity in the stack to have set the values.
public ComponentName topActivity The activity component at the top of the history stack of the task.
Public Constructors
ActivityManager.RecentTaskInfo()
Public Methods
int describeContents()
Describe the kinds of special objects contained in this Parcelable's marshalled representation.
void readFromParcel(Parcel source)
void writeToParcel(Parcel dest, int flags)
Flatten this object in to a Parcel.
[Expand]
Inherited Methods
From class java.lang.Object
From interface android.os.Parcelable

Fields

public static final Creator<ActivityManager.RecentTaskInfo> CREATOR

Added in API level 1

public int affiliatedTaskId

Added in API level 21

Task affiliation for grouping with other tasks.

public ComponentName baseActivity

Added in API level 23

The component launched as the first activity in the task. This can be considered the "application" of this task.

public Intent baseIntent

Added in API level 1

The original Intent used to launch the task. You can use this Intent to re-launch the task (if it is no longer running) or bring the current task to the front.

public CharSequence description

Added in API level 11

Description of the task's last state.

public int id

Added in API level 1

If this task is currently running, this is the identifier for it. If it is not running, this will be -1.

public int numActivities

Added in API level 23

Number of activities in this task.

public ComponentName origActivity

Added in API level 1

If this task was started from an alias, this is the actual activity component that was initially started; the component of the baseIntent in this case is the name of the actual activity implementation that the alias referred to. Otherwise, this is null.

public int persistentId

Added in API level 12

The true identifier of this task, valid even if it is not running.

public ActivityManager.TaskDescription taskDescription

Added in API level 21

The recent activity values for the highest activity in the stack to have set the values. setTaskDescription(android.app.ActivityManager.TaskDescription).

public ComponentName topActivity

Added in API level 23

The activity component at the top of the history stack of the task. This is what the user is currently doing.

Public Constructors

public ActivityManager.RecentTaskInfo ()

Added in API level 1

Public Methods

public int describeContents ()

Added in API level 1

Describe the kinds of special objects contained in this Parcelable's marshalled representation.

Returns
int a bitmask indicating the set of special object types marshalled by the Parcelable.

public void readFromParcel (Parcel source)

Added in API level 1

Parameters
source Parcel

public void writeToParcel (Parcel dest, int flags)

Added in API level 1

Flatten this object in to a Parcel.

Parameters
dest Parcel: The Parcel in which the object should be written.
flags int: Additional flags about how the object should be written. May be 0 or PARCELABLE_WRITE_RETURN_VALUE.