Added in API level 29

LocusId

class LocusId : Parcelable
kotlin.Any
   ↳ android.content.LocusId

An identifier for an unique state (locus) in the application. Should be stable across reboots and backup / restore.

Locus is a new concept introduced on Android Q and it lets the intelligence service provided by the Android System to correlate state between different subsystems such as content capture, shortcuts, and notifications.

For example, if your app provides an activity representing a chat between 2 users (say A and B, this chat state could be represented by:

<code>
  LocusId chatId = new LocusId("Chat_A_B");
  </code>

And then you should use that chatId by:

NOTE: The LocusId is only used by an on-device intelligence service provided by the Android System, see ContentCaptureManager for more details.

Summary

Inherited constants
Public constructors

Default constructor.

Public methods
Int

Boolean
equals(other: Any?)

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

String

Gets the canonical id associated with the locus.

Int

String

Unit
writeToParcel(parcel: Parcel, flags: Int)

Properties
static Parcelable.Creator<LocusId!>

Public constructors

LocusId

Added in API level 29
LocusId(id: String)

Default constructor.

Parameters
id String: This value cannot be null.
Exceptions
java.lang.IllegalArgumentException if id is empty or null.

Public methods

describeContents

Added in API level 29
fun describeContents(): Int
Return
Int a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either 0 or android.os.Parcelable#CONTENTS_FILE_DESCRIPTOR

equals

Added in API level 29
fun equals(other: Any?): Boolean

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

The equals method implements an equivalence relation on non-null object references:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Parameters
obj This value may be null.
Return
Boolean true if this object is the same as the obj argument; false otherwise.

getId

Added in API level 29
fun getId(): String

Gets the canonical id associated with the locus.

Return
String This value cannot be null.

hashCode

Added in API level 29
fun hashCode(): Int
Return
Int a hash code value for this object.

toString

Added in API level 29
fun toString(): String
Return
String a string representation of the object.

writeToParcel

Added in API level 29
fun writeToParcel(
    parcel: Parcel,
    flags: Int
): Unit
Parameters
dest 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_WRITE_RETURN_VALUE. Value is either 0 or a combination of android.os.Parcelable#PARCELABLE_WRITE_RETURN_VALUE, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES

Properties

CREATOR

Added in API level 29
static val CREATOR: Parcelable.Creator<LocusId!>