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SignedContextualAds
class SignedContextualAds : Parcelable
Contains a list of buyer supplied AdWithBid bundle and its signature.
Instances of this class are created by SDKs to be injected as part of AdSelectionConfig and passed to android.adservices.adselection.AdSelectionManager#selectAds
SignedContextualAds are signed using ECDSA algorithm with SHA256 hashing algorithm (aka SHA256withECDSA). Keys used should belong to P-256 curve (aka “secp256r1” or “prime256v1”).
Signature should include the buyer, decisionLogicUri and adsWithBid fields.
While creating the signature a specific serialization rules must be followed as it's outlined here:
Objects concatenate the serialized values of their fields with the | (pipe) in between each field All fields are sorted by alphabetical order within the object Nullable fields are skipped if they are null/unset Doubles are converted to String preserving precision Integers are converted to string values Sets are sorted alphabetically Lists keep the same order Strings get encoded into byte[] using UTF-8 encoding
Summary
| Inherited constants |
From class 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: 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)". Some implementations may want to release resources at this point.
|
|
Public methods
describeContents
fun describeContents(): Int
equals
fun equals(other: Any?): Boolean
| Parameters |
obj |
the reference object with which to compare. |
| Return |
Boolean |
true if this object is the same as the obj argument; false otherwise. |
getBuyer
fun getBuyer(): AdTechIdentifier
| Return |
AdTechIdentifier |
the Ad tech identifier from which this contextual Ad would have been downloaded This value cannot be null. |
getDecisionLogicUri
fun getDecisionLogicUri(): Uri
| Return |
Uri |
the URI used to retrieve the updateBid() and reportWin() function used during the ad selection and reporting process This value cannot be null. |
getSignature
fun getSignature(): ByteArray
Returns a copy of the signature for the contextual ads object.
See SignedContextualAds for more details.
| Return |
ByteArray |
the signature This value cannot be null. |
hashCode
fun hashCode(): Int
| Return |
Int |
a hash code value for this object. |
toString
fun toString(): String
| Return |
String |
a string representation of the object. |
writeToParcel
fun writeToParcel(
dest: Parcel,
flags: Int
): Unit
Flatten this object in to a Parcel.
Properties
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
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