# DiscoveryRequest

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  
Also in [T Extensions 12](https://developer.android.com/sdkExtensions)

# DiscoveryRequest

*** ** * ** ***

Kotlin \|[Java](https://developer.android.com/reference/android/net/nsd/DiscoveryRequest "View this page in Java")  

```
class DiscoveryRequest : Parcelable
```

|---|----------------------------------------------------------------------------------------------------------------------|
| [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)                                       ||
| ↳ | [android.net.nsd.DiscoveryRequest](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#) |

Encapsulates parameters for android.net.nsd.NsdManager#discoverServices.

## Summary

|                                                                                                                  Nested classes                                                                                                                  ||
|---|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | [Builder](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest.Builder) The builder for creating new [DiscoveryRequest](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#) objects. |

| 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) 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) 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 methods                                                                                                                                                                                                                         ||
|--------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)           | [describeContents](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#describeContents())`()` <br />                                                                                                                                                                                                                                        |
| [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)   | [equals](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#equals(kotlin.Any))`(`other:` `[Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html)?`)` <br />                                                                                                                                                            |
| [Network](https://developer.android.com/reference/kotlin/android/net/Network.html#)? | [getNetwork](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#getNetwork())`()` Returns the [Network](https://developer.android.com/reference/kotlin/android/net/Network.html#) on which the query should be sent or `null` if no network is specified.                                                                                   |
| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)     | [getServiceType](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#getServiceType())`()` Returns the service type in format of dot-joint string of two labels.                                                                                                                                                                             |
| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)?    | [getSubtype](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#getSubtype())`()` Returns the subtype without the trailing ".                                                                                                                                                                                                               |
| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)           | [hashCode](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#hashCode())`()` <br />                                                                                                                                                                                                                                                        |
| [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)     | [toString](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#toString())`()` <br />                                                                                                                                                                                                                                                        |
| [Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)         | [writeToParcel](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#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#)\<[DiscoveryRequest](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#)!\> | [CREATOR](https://developer.android.com/reference/kotlin/android/net/nsd/DiscoveryRequest#CREATOR:android.os.Parcelable.Creator) <br /> |

## Public methods

### describeContents

Added in [API level 35](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) |

### equals

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun equals(other: Any?): Boolean
```

|                     Parameters                     ||
|-------|---------------------------------------------|
| `obj` | the reference object with which to compare. |

|                                                                            Return                                                                             ||
|------------------------------------------------------------------------------------|---------------------------------------------------------------------------|
| [Boolean](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) | `true` if this object is the same as the obj argument; `false` otherwise. |

### getNetwork

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  
Also in [T Extensions 12](https://developer.android.com/sdkExtensions)  

```
fun getNetwork(): Network?
```

Returns the [Network](https://developer.android.com/reference/kotlin/android/net/Network.html#) on which the query should be sent or `null` if no network is specified.  

### getServiceType

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  
Also in [T Extensions 12](https://developer.android.com/sdkExtensions)  

```
fun getServiceType(): String
```

Returns the service type in format of dot-joint string of two labels. For example, "_ipp._tcp" for internet printer and "_matter._tcp" for [Matter](https://csa-iot.org/all-solutions/matter) operational device.

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

### getSubtype

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  
Also in [T Extensions 12](https://developer.android.com/sdkExtensions)  

```
fun getSubtype(): String?
```

Returns the subtype without the trailing "._sub" label or `null` if no subtype is specified. For example, the return value will be "_printer" for subtype "_printer._sub".  

### hashCode

Added in [API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
fun hashCode(): Int
```

|                                                     Return                                                     ||
|----------------------------------------------------------------------------|------------------------------------|
| [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html) | a hash code value for this object. |

### toString

Added in [API level 35](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 35](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 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  
Also in [T Extensions 12](https://developer.android.com/sdkExtensions)  

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