# RoutingSessionInfo.Builder Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) # Builder *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/android/media/RoutingSessionInfo.Builder "View this page in Java") ``` class Builder ``` |---|--------------------------------------------------------------------------------------------------------------------------------------| | [kotlin.Any](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-any/index.html) || | ↳ | [android.media.RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | Builder class for[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo). ## Summary | Public constructors || |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | [Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#Builder(android.media.RoutingSessionInfo))`(`sessionInfo:` `[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo)`)` Constructor for builder to create[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo)with existing[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo)instance. | | [Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#Builder(kotlin.String,%20kotlin.String))`(`originalId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`, `clientPackageName:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Constructor for builder to create[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo). | | Public methods || |------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [addDeselectableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#addDeselectableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Adds a route to the deselectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [addSelectableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#addSelectableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Adds a route to the selectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [addSelectedRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#addSelectedRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Adds a route to the selected routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [addTransferableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#addTransferableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Adds a route to the transferable routes. | | [RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo) | [build](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#build())`()` Builds a routing session info. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [clearDeselectableRoutes](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#clearDeselectableRoutes())`()` Clears the deselectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [clearSelectableRoutes](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#clearSelectableRoutes())`()` Clears the selectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [clearSelectedRoutes](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#clearSelectedRoutes())`()` Clears the selected routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [clearTransferableRoutes](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#clearTransferableRoutes())`()` Clears the transferable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [removeDeselectableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#removeDeselectableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Removes a route from the deselectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [removeSelectableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#removeSelectableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Removes a route from the selectable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [removeSelectedRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#removeSelectedRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Removes a route from the selected routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [removeTransferableRoute](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#removeTransferableRoute(kotlin.String))`(`routeId:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`)` Removes a route from the transferable routes. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setControlHints](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setControlHints(android.os.Bundle))`(`controlHints:` `[Bundle](https://developer.android.com/reference/kotlin/android/os/Bundle.html#)?`)` Sets control hints. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setName](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setName(kotlin.CharSequence))`(`name:` `[CharSequence](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-char-sequence/index.html)?`)` Sets the user-visible name of the session. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setTransferInitiator](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setTransferInitiator(android.os.UserHandle,%20kotlin.String))`(`transferInitiatorUserHandle:` `[UserHandle](https://developer.android.com/reference/kotlin/android/os/UserHandle.html#)?`, `transferInitiatorPackageName:` `[String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)?`)` Sets the user handle and package name of the process that initiated the transfer. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setTransferReason](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setTransferReason(kotlin.Int))`(`transferReason:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Sets transfer reason for the current session. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setVolume](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setVolume(kotlin.Int))`(`volume:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Sets the session's current volume, or 0 if unknown. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setVolumeHandling](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setVolumeHandling(kotlin.Int))`(`volumeHandling:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Sets the session's volume handling. | | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | [setVolumeMax](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#setVolumeMax(kotlin.Int))`(`volumeMax:` `[Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html)`)` Sets the session's maximum volume, or 0 if unknown. | ## Public constructors ### Builder Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` Builder(sessionInfo: RoutingSessionInfo) ``` Constructor for builder to create[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo)with existing[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo)instance. | Parameters || |---------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `sessionInfo` | [RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo):the existing instance to copy data from. This value cannot be`null`. | ### Builder Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` Builder(     originalId: String,     clientPackageName: String) ``` Constructor for builder to create[RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo). In order to ensure ID uniqueness in[MediaRouter2](https://developer.android.com/reference/kotlin/android/media/MediaRouter2)side, the value of[android.media.RoutingSessionInfo#getId()](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo#getId())can be different from what was set in[MediaRoute2ProviderService](https://developer.android.com/reference/kotlin/android/media/MediaRoute2ProviderService). | Parameters || |---------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `originalId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):ID of the session. Must not be empty. This value cannot be`null`. | | `clientPackageName` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):package name of the client app which uses this session. If is is unknown, then just use an empty string. This value cannot be`null`. | **See Also** - [android.media.MediaRoute2Info#getId()](https://developer.android.com/reference/kotlin/android/media/MediaRoute2Info#getId()) ## Public methods ### addDeselectableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun addDeselectableRoute(routeId: String): RoutingSessionInfo.Builder ``` Adds a route to the deselectable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### addSelectableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun addSelectableRoute(routeId: String): RoutingSessionInfo.Builder ``` Adds a route to the selectable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### addSelectedRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun addSelectedRoute(routeId: String): RoutingSessionInfo.Builder ``` Adds a route to the selected routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### addTransferableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun addTransferableRoute(routeId: String): RoutingSessionInfo.Builder ``` Adds a route to the transferable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### build Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun build(): RoutingSessionInfo ``` Builds a routing session info. | Return || |-------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo) | This value cannot be`null`. | | Exceptions || |--------------------------------------|----------------------------------| | `java.lang.IllegalArgumentException` | if no selected routes are added. | ### clearDeselectableRoutes Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun clearDeselectableRoutes(): RoutingSessionInfo.Builder ``` Clears the deselectable routes. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### clearSelectableRoutes Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun clearSelectableRoutes(): RoutingSessionInfo.Builder ``` Clears the selectable routes. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### clearSelectedRoutes Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun clearSelectedRoutes(): RoutingSessionInfo.Builder ``` Clears the selected routes. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### clearTransferableRoutes Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun clearTransferableRoutes(): RoutingSessionInfo.Builder ``` Clears the transferable routes. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### removeDeselectableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun removeDeselectableRoute(routeId: String): RoutingSessionInfo.Builder ``` Removes a route from the deselectable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### removeSelectableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun removeSelectableRoute(routeId: String): RoutingSessionInfo.Builder ``` Removes a route from the selectable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### removeSelectedRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun removeSelectedRoute(routeId: String): RoutingSessionInfo.Builder ``` Removes a route from the selected routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### removeTransferableRoute Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun removeTransferableRoute(routeId: String): RoutingSessionInfo.Builder ``` Removes a route from the transferable routes. The`routeId`must not be empty. | Parameters || |-----------|--------------------------------------------------------------------------------------------------------------| | `routeId` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html):This value cannot be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setControlHints Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setControlHints(controlHints: Bundle?): RoutingSessionInfo.Builder ``` Sets control hints. | Parameters || |----------------|------------------------------------------------------------------------------------------------------------| | `controlHints` | [Bundle](https://developer.android.com/reference/kotlin/android/os/Bundle.html#)?:This value may be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setName Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setName(name: CharSequence?): RoutingSessionInfo.Builder ``` Sets the user-visible name of the session. | Parameters || |--------|-------------------------------------------------------------------------------------------------------------------------| | `name` | [CharSequence](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-char-sequence/index.html)?:This value may be`null`. | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setTransferInitiator Added in[API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setTransferInitiator(     transferInitiatorUserHandle: UserHandle?,     transferInitiatorPackageName: String? ): RoutingSessionInfo.Builder ``` Sets the user handle and package name of the process that initiated the transfer. By default the transfer initiation user handle and package name are set to`null`. | Parameters || |--------------------------------|--------------------------------------------------------------------------------------------------------------------| | `transferInitiatorUserHandle` | [UserHandle](https://developer.android.com/reference/kotlin/android/os/UserHandle.html#)?:This value may be`null`. | | `transferInitiatorPackageName` | [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)?:This value may be`null`. | ### setTransferReason Added in[API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setTransferReason(transferReason: Int): RoutingSessionInfo.Builder ``` Sets transfer reason for the current session. By default the transfer reason is set to[android.media.RoutingSessionInfo#TRANSFER_REASON_FALLBACK](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo#TRANSFER_REASON_FALLBACK:kotlin.Int). | Parameters || |------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `transferReason` | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html):Value is[android.media.RoutingSessionInfo#TRANSFER_REASON_FALLBACK](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo#TRANSFER_REASON_FALLBACK:kotlin.Int),[android.media.RoutingSessionInfo#TRANSFER_REASON_SYSTEM_REQUEST](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo#TRANSFER_REASON_SYSTEM_REQUEST:kotlin.Int), or[android.media.RoutingSessionInfo#TRANSFER_REASON_APP](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo#TRANSFER_REASON_APP:kotlin.Int) | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setVolume Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setVolume(volume: Int): RoutingSessionInfo.Builder ``` Sets the session's current volume, or 0 if unknown. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setVolumeHandling Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setVolumeHandling(volumeHandling: Int): RoutingSessionInfo.Builder ``` Sets the session's volume handling.[MediaRoute2Info.PLAYBACK_VOLUME_FIXED](https://developer.android.com/reference/kotlin/android/media/MediaRoute2Info#PLAYBACK_VOLUME_FIXED:kotlin.Int)or[MediaRoute2Info.PLAYBACK_VOLUME_VARIABLE](https://developer.android.com/reference/kotlin/android/media/MediaRoute2Info#PLAYBACK_VOLUME_VARIABLE:kotlin.Int). | Parameters || |------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `volumeHandling` | [Int](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-int/index.html):Value is[android.media.MediaRoute2Info#PLAYBACK_VOLUME_FIXED](https://developer.android.com/reference/kotlin/android/media/MediaRoute2Info#PLAYBACK_VOLUME_FIXED:kotlin.Int), or[android.media.MediaRoute2Info#PLAYBACK_VOLUME_VARIABLE](https://developer.android.com/reference/kotlin/android/media/MediaRoute2Info#PLAYBACK_VOLUME_VARIABLE:kotlin.Int) | | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. | ### setVolumeMax Added in[API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels) ``` fun setVolumeMax(volumeMax: Int): RoutingSessionInfo.Builder ``` Sets the session's maximum volume, or 0 if unknown. | Return || |------------------------------------------------------------------------------------------------------------------------|-----------------------------| | [RoutingSessionInfo.Builder](https://developer.android.com/reference/kotlin/android/media/RoutingSessionInfo.Builder#) | This value cannot be`null`. |