Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Inherited Constants](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#inhconstants) \| [Fields](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#lfields) \| [Inherited Fields](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#inhfields) \| [Ctors](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#pubctors) \| [Methods](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#inhmethods)

# ActivityManager.RecentTaskInfo

*** ** * ** ***


`
public
static


class
ActivityManager.RecentTaskInfo
`


`


`

`

extends https://developer.android.com/reference/android/app/TaskInfo


`

`


implements

https://developer.android.com/reference/android/os/Parcelable


`

|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) |||
| ↳ | [android.app.TaskInfo](https://developer.android.com/reference/android/app/TaskInfo) ||
|   | ↳ | android.app.ActivityManager.RecentTaskInfo |

<br />

*** ** * ** ***

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

## Summary

### Inherited constants

From interface `https://developer.android.com/reference/android/os/Parcelable` `int` `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR`

Descriptor bit used with `https://developer.android.com/reference/android/os/Parcelable#describeContents()`: indicates that
the Parcelable object's flattened representation includes a file descriptor.


`int` `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE`

Flag for use with `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`: the object being written
is a return value, that is the result of a function such as
"`Parcelable someFunction()`",
"`void someFunction(out Parcelable)`", or
"`void someFunction(inout Parcelable)`".


| ### Fields ||
|---|---|
| ` public static final https://developer.android.com/reference/android/os/Parcelable.Creator<https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo>` | `https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#CREATOR` |
| ` public int` | `https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#affiliatedTaskId` *This field was deprecated in API level 29. As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, currently always 0.* |
| ` public https://developer.android.com/reference/java/lang/CharSequence` | `https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#description` *This field was deprecated in API level 29. As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, currently always null.* |
| ` public int` | `https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#id` *This field was deprecated in API level 29. As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, use `https://developer.android.com/reference/android/app/TaskInfo#taskId` to get the task id and `https://developer.android.com/reference/android/app/TaskInfo#isRunning` to determine if it is running.* |
| ` public int` | `https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#persistentId` *This field was deprecated in API level 29. As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, use `https://developer.android.com/reference/android/app/TaskInfo#taskId`.* |

### Inherited fields

From class `https://developer.android.com/reference/android/app/TaskInfo` `
public


https://developer.android.com/reference/android/content/ComponentName` `https://developer.android.com/reference/android/app/TaskInfo#baseActivity`

The component of the first activity in the task, can be considered the "application" of this
task.


`
public


https://developer.android.com/reference/android/content/Intent` `https://developer.android.com/reference/android/app/TaskInfo#baseIntent`

The base intent of the task (generally the intent that launched the task).


`
public


boolean` `https://developer.android.com/reference/android/app/TaskInfo#isRunning`

Whether or not this task has any running activities.


`
public


int` `https://developer.android.com/reference/android/app/TaskInfo#numActivities`

The number of activities in this task (including running).


`
public


https://developer.android.com/reference/android/content/ComponentName` `https://developer.android.com/reference/android/app/TaskInfo#origActivity`

The component of the target activity if this task was started from an activity alias.


`
public


https://developer.android.com/reference/android/app/ActivityManager.TaskDescription` `https://developer.android.com/reference/android/app/TaskInfo#taskDescription`

The recent activity values for the highest activity in the stack to have set the values.


`
public


int` `https://developer.android.com/reference/android/app/TaskInfo#taskId`

The identifier for this task.


`
public


https://developer.android.com/reference/android/content/ComponentName` `https://developer.android.com/reference/android/app/TaskInfo#topActivity`

The component of the top activity in the task, currently showing to the user.


| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#RecentTaskInfo()() ` |

| ### Public methods ||
|---|---|
| ` int` | ` https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#describeContents()() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. |
| ` void` | ` https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#readFromParcel(android.os.Parcel)(https://developer.android.com/reference/android/os/Parcel source) ` |
| ` void` | ` https://developer.android.com/reference/android/app/ActivityManager.RecentTaskInfo#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel dest, int flags) ` Flatten this object in to a Parcel. |

### Inherited methods

From class `

https://developer.android.com/reference/android/app/TaskInfo

` `


int` `
https://developer.android.com/reference/android/app/TaskInfo#getDisplayId()()
` `


boolean` `
https://developer.android.com/reference/android/app/TaskInfo#isVisible()()
`

Whether this task is visible.


`


https://developer.android.com/reference/java/lang/String` `
https://developer.android.com/reference/android/app/TaskInfo#toString()()
`

Returns a string representation of the object.


From class `

https://developer.android.com/reference/java/lang/Object

` `


https://developer.android.com/reference/java/lang/Object` `
https://developer.android.com/reference/java/lang/Object#clone()()
`

Creates and returns a copy of this object.


`


boolean` `
https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj)
`

Indicates whether some other object is "equal to" this one.


`


void` `
https://developer.android.com/reference/java/lang/Object#finalize()()
`

Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.


`


final

https://developer.android.com/reference/java/lang/Class<?>` `
https://developer.android.com/reference/java/lang/Object#getClass()()
`

Returns the runtime class of this `Object`.


`


int` `
https://developer.android.com/reference/java/lang/Object#hashCode()()
`

Returns a hash code value for the object.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#notify()()
`

Wakes up a single thread that is waiting on this object's
monitor.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#notifyAll()()
`

Wakes up all threads that are waiting on this object's monitor.


`


https://developer.android.com/reference/java/lang/String` `
https://developer.android.com/reference/java/lang/Object#toString()()
`

Returns a string representation of the object.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos)
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*, or until a
certain amount of real time has elapsed.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis)
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*, or until a
certain amount of real time has elapsed.


`


final

void` `
https://developer.android.com/reference/java/lang/Object#wait()()
`

Causes the current thread to wait until it is awakened, typically
by being *notified* or *interrupted*.


From interface `

https://developer.android.com/reference/android/os/Parcelable

` `
abstract


int` `
https://developer.android.com/reference/android/os/Parcelable#describeContents()()
`

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


`
abstract


void` `
https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel dest, int flags)
`

Flatten this object in to a Parcel.


## Fields

### CREATOR

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final Creator<ActivityManager.RecentTaskInfo> CREATOR
```

<br />

<br />

### affiliatedTaskId

Added in [API level 21](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
29](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int affiliatedTaskId
```


**This field was deprecated
in API level 29.**   

As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, currently always 0.

Task affiliation for grouping with other tasks.

<br />

### description

Added in [API level 11](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
29](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public CharSequence description
```


**This field was deprecated
in API level 29.**   

As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, currently always null.

Description of the task's last state.

<br />

### id

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
29](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int id
```


**This field was deprecated
in API level 29.**   

As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, use
`https://developer.android.com/reference/android/app/TaskInfo#taskId` to get the task id and `https://developer.android.com/reference/android/app/TaskInfo#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.

<br />

### persistentId

Added in [API level 12](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
29](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int persistentId
```


**This field was deprecated
in API level 29.**   

As of `https://developer.android.com/reference/android/os/Build.VERSION_CODES#Q`, use
`https://developer.android.com/reference/android/app/TaskInfo#taskId`.

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

<br />

## Public constructors

### RecentTaskInfo

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public RecentTaskInfo ()
```

<br />

<br />

## Public methods

### describeContents

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
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 `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`,
the return value of this method must include the
`https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` bit.

<br />

| Returns ||
|---|---|
| `int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or - `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` |

### readFromParcel

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void readFromParcel (Parcel source)
```

<br />

<br />

| Parameters ||
|---|---|
| `source` | `Parcel` <br /> |

### writeToParcel

Added in [API level 1](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void writeToParcel (Parcel dest, 
                int flags)
```

Flatten this object in to a Parcel.

<br />

| Parameters ||
|---|---|
| `dest` | `Parcel`: The Parcel in which the object should be written. This value cannot be `null`. <br /> |
| `flags` | `int`: Additional flags about how the object should be written. May be 0 or `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of the following: - `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE` |