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LuhnChecksumValidator

public final class LuhnChecksumValidator
extends Object implements Validator, Parcelable, Validator, Parcelable

java.lang.Object
   ↳ android.service.autofill.LuhnChecksumValidator


Validator that returns true if the number created by concatenating all given fields pass a Luhn algorithm checksum. All non-digits are ignored.

See setValidator(Validator) for examples.

Summary

Inherited constants

From interface android.os.Parcelable

Fields

public static final Creator<LuhnChecksumValidator> CREATOR

Public constructors

LuhnChecksumValidator(AutofillId... ids)

Default constructor.

Public methods

int describeContents()

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

void writeToParcel(Parcel parcel, int flags)

Flatten this object in to a Parcel.

Inherited methods

From class java.lang.Object
From interface android.os.Parcelable

Fields

CREATOR

added in API level 27
Creator<LuhnChecksumValidator> CREATOR

Public constructors

LuhnChecksumValidator

added in API level 27
LuhnChecksumValidator (AutofillId... ids)

Default constructor.

Parameters
ids AutofillId: id of fields that comprises the number to be checked.

This value must never be null.

Public methods

describeContents

added in API level 27
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(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.

writeToParcel

added in API level 27
void writeToParcel (Parcel parcel, 
                int flags)

Flatten this object in to a Parcel.

Parameters
parcel 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_WRITE_RETURN_VALUE.

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