# FieldClassification

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# FieldClassification

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/android/service/assist/classification/FieldClassification "View this page in Java")  

```
class FieldClassification : Parcelable
```

|---|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)                                                                                         ||
| ↳ | [android.service.assist.classification.FieldClassification](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#) |

Represents a classified field from the detection service.

## Summary

| Inherited constants ||
|---|---|
| From class[Parcelable](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#) |----------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#CONTENTS_FILE_DESCRIPTOR:kotlin.Int) <br /> Descriptor bit used with[describeContents()](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#describeContents()): indicates that the Parcelable object's flattened representation includes a file descriptor. <br />                                                                                                                                                                                                        | | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | [PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int) <br /> Flag for use with[writeToParcel](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#writeToParcel(android.os.Parcel,%20kotlin.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)`". Some implementations may want to release resources at this point. <br /> | ||

|                                                                                                                                                                                                                                                                                   Public constructors                                                                                                                                                                                                                                                                                    ||
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| [FieldClassification](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#FieldClassification(android.view.autofill.AutofillId,%20kotlin.collections.MutableSet))`(`autofillId:` `[AutofillId](https://developer.android.com/reference/kotlin/android/view/autofill/AutofillId.html#)`, `hints:` `[MutableSet](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-set/index.html)<[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!>`)` Creates a new FieldClassification. |

|                                                                                                                                                                                                                                                                                        Public methods                                                                                                                                                                                                                                                                                         ||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)                                                                                                                 | [describeContents](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#describeContents())`()` <br />                                                                                                                                                                                                                                        |
| [AutofillId](https://developer.android.com/reference/kotlin/android/view/autofill/AutofillId.html#)                                                                                        | [getAutofillId](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#getAutofillId())`()` Autofill id of the detected field.                                                                                                                                                                                                                  |
| [MutableSet](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-set/index.html)\<[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!\> | [getHints](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#getHints())`()` Detected fields types represented as autofill hints.                                                                                                                                                                                                          |
| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)                                                                                                           | [toString](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#toString())`()` <br />                                                                                                                                                                                                                                                        |
| [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)                                                                                                               | [writeToParcel](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#writeToParcel(android.os.Parcel,%20kotlin.Int))`(`dest:` `[Parcel](https://developer.android.com/reference/kotlin/android/os/Parcel.html#)`, `flags:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Flatten this object in to a Parcel. |

|                                                                                                                                                                                                      Properties                                                                                                                                                                                                       ||
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| static[Parcelable.Creator](https://developer.android.com/reference/kotlin/android/os/Parcelable.Creator.html#)\<[FieldClassification](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#)!\> | [CREATOR](https://developer.android.com/reference/kotlin/android/service/assist/classification/FieldClassification#CREATOR:android.os.Parcelable.Creator) <br /> |

## Public constructors

### FieldClassification

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
FieldClassification(
    autofillId: AutofillId, 
    hints: MutableSet<String!>)
```

Creates a new FieldClassification.

|                                                                                                                                                                                                                                                        Parameters                                                                                                                                                                                                                                                        ||
|--------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `autofillId` | [AutofillId](https://developer.android.com/reference/kotlin/android/view/autofill/AutofillId.html#):Autofill id of the detected field This value cannot be`null`.                                                                                                                                                                                                                                                                                                                                          |
| `hints`      | [MutableSet](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-set/index.html)\<[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!\>:Detected fields types represented as autofill hints. A particular field can be detected as multiple types. For eg: A sign-in field may take in a username, an email address or a phone number. In such cases, it should be detected as "username", "emailAddress" and "phoneNumber" This value cannot be`null`. |

## Public methods

### describeContents

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun describeContents(): Int
```

|                                                                                                                                                                               Return                                                                                                                                                                               ||
|----------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | 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](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#CONTENTS_FILE_DESCRIPTOR:kotlin.Int) |

### getAutofillId

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun getAutofillId(): AutofillId
```

Autofill id of the detected field.

|                                                              Return                                                              ||
|-----------------------------------------------------------------------------------------------------|-----------------------------|
| [AutofillId](https://developer.android.com/reference/kotlin/android/view/autofill/AutofillId.html#) | This value cannot be`null`. |

### getHints

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun getHints(): MutableSet<String!>
```

Detected fields types represented as autofill hints. A particular field can be detected as multiple types. For eg: A sign-in field may take in a username, an email address or a phone number. In such cases, it should be detected as "username", "emailAddress" and "phoneNumber" The value of these hints are contained in androidx.autofill.HintConstants

|                                                                                                        Return                                                                                                         ||
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------|
| [MutableSet](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-mutable-set/index.html)<[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)!> | This value cannot be`null`. |

### toString

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun toString(): String
```

|                                                          Return                                                          ||
|----------------------------------------------------------------------------------|----------------------------------------|
| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) | a string representation of the object. |

### writeToParcel

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun writeToParcel(
    dest: Parcel, 
    flags: Int
): Unit
```

Flatten this object in to a Parcel.

|                                                                                                                                                                                                                                                                                     Parameters                                                                                                                                                                                                                                                                                     ||
|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `dest`  | [Parcel](https://developer.android.com/reference/kotlin/android/os/Parcel.html#):This value cannot be`null`.                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `flags` | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html):Additional flags about how the object should be written. May be 0 or[PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int). Value is either`0`or a combination of[android.os.Parcelable#PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/kotlin/android/os/Parcelable.html#PARCELABLE_WRITE_RETURN_VALUE:kotlin.Int), and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES |

## Properties

### CREATOR

Added in[API level 34](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
static val CREATOR: Parcelable.Creator<FieldClassification!>
```