ActivityManager.RecentTaskInfo

public static class ActivityManager.RecentTaskInfo
extends TaskInfo implements Parcelable

java.lang.Object
   ↳ android.app.TaskInfo
     ↳ android.app.ActivityManager.RecentTaskInfo


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

Summary

Inherited constants

Fields

public static final Creator<ActivityManager.RecentTaskInfo> CREATOR

public int affiliatedTaskId

This field was deprecated in API level 29. As of Build.VERSION_CODES.Q, currently always 0.

public CharSequence description

This field was deprecated in API level 29. As of Build.VERSION_CODES.Q, currently always null.

public int id

This field was deprecated in API level 29. As of Build.VERSION_CODES.Q, use RecentTaskInfo#taskId to get the task id and RecentTaskInfo#isRunning to determine if it is running.

public int persistentId

This field was deprecated in API level 29. As of Build.VERSION_CODES.Q, use RecentTaskInfo#taskId.

Inherited fields

Public constructors

RecentTaskInfo()

Public methods

int describeContents()

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

void readFromParcel(Parcel source)
void writeToParcel(Parcel dest, int flags)

Flatten this object in to a Parcel.

Inherited methods

Fields

CREATOR

Added in API level 1
public static final Creator<ActivityManager.RecentTaskInfo> CREATOR

affiliatedTaskId

Added in API level 21
Deprecated in API level 29
public int affiliatedTaskId

This field was deprecated in API level 29.
As of Build.VERSION_CODES.Q, currently always 0.

Task affiliation for grouping with other tasks.

description

Added in API level 11
Deprecated in API level 29
public CharSequence description

This field was deprecated in API level 29.
As of Build.VERSION_CODES.Q, currently always null.

Description of the task's last state.

id

Added in API level 1
Deprecated in API level 29
public int id

This field was deprecated in API level 29.
As of Build.VERSION_CODES.Q, use RecentTaskInfo#taskId to get the task id and RecentTaskInfo#isRunning to determine if it is running.

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

persistentId

Added in API level 12
Deprecated in API level 29
public int persistentId

This field was deprecated in API level 29.
As of Build.VERSION_CODES.Q, use RecentTaskInfo#taskId.

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

Public constructors

RecentTaskInfo

Added in API level 1
public RecentTaskInfo ()

Public methods

describeContents

Added in API level 1
public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of writeToParcel(android.os.Parcel, int), the return value of this method must include the CONTENTS_FILE_DESCRIPTOR bit.

Returns
int a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either 0 or CONTENTS_FILE_DESCRIPTOR

readFromParcel

Added in API level 1
public void readFromParcel (Parcel source)

Parameters
source Parcel

writeToParcel

Added in API level 1
public void writeToParcel (Parcel dest, 
                int flags)

Flatten this object in to a Parcel.

Parameters
dest Parcel: The Parcel in which the object should be written. This value cannot be null.

flags int: Additional flags about how the object should be written. May be 0 or Parcelable.PARCELABLE_WRITE_RETURN_VALUE. Value is either 0 or a combination of Parcelable.PARCELABLE_WRITE_RETURN_VALUE, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES