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Summary: Inherited Constants | Fields | Inherited Fields | Ctors | Methods | Inherited Methods

# ActivityManager.RunningTaskInfo

`public static class ActivityManager.RunningTaskInfo`
`` `extends TaskInfo` `implements Parcelable`

java.lang.Object
↳ | android.app.TaskInfo
| ↳ | android.app.ActivityManager.RunningTaskInfo

Information you can retrieve about a particular task that is currently "running" in the system. Note that a running task does not mean the given task actually has a process it is actively running in; it simply means that the user has gone to it and never closed it, but currently the system may have killed its process and is only holding on to its last state in order to restart it when the user returns.

## Summary

### Inherited constants
From interface `android.os.Parcelable`
`int` | `CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` | `PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: 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 Creator<ActivityManager.RunningTaskInfo>` | `CREATOR`
`public CharSequence` | `description` This field is deprecated. As of `Build.VERSION_CODES.Q`, currently always null.
`public int` | `id` This field is deprecated. As of `Build.VERSION_CODES.Q`, use `RunningTaskInfo#taskId`.
`public int` | `numRunning` This field is deprecated. As of `Build.VERSION_CODES.Q`, currently always 0.
`public Bitmap` | `thumbnail` This field is deprecated. As of `Build.VERSION_CODES.Q`, currently always null.

### Inherited fields
From class `android.app.TaskInfo`
`public ComponentName` | `baseActivity` The component of the first activity in the task, can be considered the "application" of this task.
`public Intent` | `baseIntent` The base intent of the task (generally the intent that launched the task).
`public boolean` | `isRunning` Whether or not this task has any running activities.
`public int` | `numActivities` The number of activities in this task (including running).
`public ComponentName` | `origActivity` The component of the target activity if this task was started from an activity alias.
`public ActivityManager.TaskDescription` | `taskDescription` The recent activity values for the highest activity in the stack to have set the values.
`public int` | `taskId` The identifier for this task.
`public ComponentName` | `topActivity` The component of the top activity in the task, currently showing to the user.

### Public constructors
`RunningTaskInfo()`

### 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
From class `android.app.TaskInfo`
`boolean` | `isVisible()` Whether this task is visible.
`String` | `toString()` Returns a string representation of the object.
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 timeout, 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 timeout)` 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.
From interface `android.os.Parcelable`
`abstract int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

## Fields

### CREATOR

    public static final Creator<ActivityManager.RunningTaskInfo> CREATOR

### description

    public CharSequence description

This field is deprecated.
As of `Build.VERSION_CODES.Q`, currently always null.

Description of the task's current state.

### id

    public int id

This field is deprecated.
As of `Build.VERSION_CODES.Q`, use `RunningTaskInfo#taskId`.

A unique identifier for this task.

### numRunning

    public int numRunning

This field is deprecated.
As of `Build.VERSION_CODES.Q`, currently always 0.

Number of activities that are currently running (not stopped and persisted) in this task.

### thumbnail

    public Bitmap thumbnail

This field is deprecated.
As of `Build.VERSION_CODES.Q`, currently always null.

Thumbnail representation of the task's current state.

## Public constructors

### RunningTaskInfo

    public RunningTaskInfo ()

## Public methods

### describeContents

    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

    public void readFromParcel (Parcel source)

Parameters
`source` | `Parcel`

### writeToParcel

    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.
`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

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