Added in [API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Ctors](https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#pubctors) \| [Methods](https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#inhmethods)

# MediaRouter2.RouteCallback

*** ** * ** ***


`
public
static

abstract
class
MediaRouter2.RouteCallback
`


`

extends https://developer.android.com/reference/java/lang/Object


`

`


`

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.media.MediaRouter2.RouteCallback |

<br />

*** ** * ** ***

Callback for receiving events about media route discovery.

## Summary

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#RouteCallback()() ` |

| ### Public methods ||
|---|---|
| ` void` | ` https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesAdded(java.util.List<android.media.MediaRoute2Info>)(https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/media/MediaRoute2Info> routes) ` *This method was deprecated in API level 34. Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.* |
| ` void` | ` https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesChanged(java.util.List<android.media.MediaRoute2Info>)(https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/media/MediaRoute2Info> routes) ` *This method was deprecated in API level 34. Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.* |
| ` void` | ` https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesRemoved(java.util.List<android.media.MediaRoute2Info>)(https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/media/MediaRoute2Info> routes) ` *This method was deprecated in API level 34. Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.* |
| ` void` | ` https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)(https://developer.android.com/reference/java/util/List<https://developer.android.com/reference/android/media/MediaRoute2Info> routes) ` Called when the route list is updated, which can happen when routes are added, removed, or modified. |

| ### Inherited methods |
|---|---|
| From class ` https://developer.android.com/reference/java/lang/Object ` |---|---| | ` https://developer.android.com/reference/java/lang/Object` | ` https://developer.android.com/reference/java/lang/Object#clone()() ` Creates and returns a copy of this object. | | ` boolean` | ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) ` Indicates whether some other object is "equal to" this one. | | ` void` | ` https://developer.android.com/reference/java/lang/Object#finalize()() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final https://developer.android.com/reference/java/lang/Class<?>` | ` https://developer.android.com/reference/java/lang/Object#getClass()() ` Returns the runtime class of this `Object`. | | ` int` | ` https://developer.android.com/reference/java/lang/Object#hashCode()() ` Returns a hash code value for the object. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notify()() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#notifyAll()() ` Wakes up all threads that are waiting on this object's monitor. | | ` https://developer.android.com/reference/java/lang/String` | ` https://developer.android.com/reference/java/lang/Object#toString()() ` Returns a string representation of the object. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` https://developer.android.com/reference/java/lang/Object#wait()() ` Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*. | ||

## Public constructors

### RouteCallback

```
public RouteCallback ()
```

<br />

<br />

## Public methods

### onRoutesAdded

Added in [API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
34](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void onRoutesAdded (List<MediaRoute2Info> routes)
```


**This method was deprecated
in API level 34.**   

Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.

Called when routes are added. Whenever you register a callback, this will be invoked with
known routes.

<br />

| Parameters ||
|---|---|
| `routes` | `List`: the list of routes that have been added. It's never empty. This value cannot be `null`. <br /> |

### onRoutesChanged

Added in [API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
34](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void onRoutesChanged (List<MediaRoute2Info> routes)
```


**This method was deprecated
in API level 34.**   

Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.

Called when the properties of one or more existing routes are changed. For example, it is
called when a route's name or volume have changed.

<br />

| Parameters ||
|---|---|
| `routes` | `List`: the list of routes that have been changed. It's never empty. This value cannot be `null`. <br /> |

### onRoutesRemoved

Added in [API level 30](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)   
Deprecated in [API level
34](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void onRoutesRemoved (List<MediaRoute2Info> routes)
```


**This method was deprecated
in API level 34.**   

Use `https://developer.android.com/reference/android/media/MediaRouter2.RouteCallback#onRoutesUpdated(java.util.List<android.media.MediaRoute2Info>)` instead.

Called when routes are removed.

<br />

| Parameters ||
|---|---|
| `routes` | `List`: the list of routes that have been removed. It's never empty. This value cannot be `null`. <br /> |

### onRoutesUpdated

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

```
public void onRoutesUpdated (List<MediaRoute2Info> routes)
```

Called when the route list is updated, which can happen when routes are added, removed,
or modified. It will also be called when a route callback is registered.

<br />

| Parameters ||
|---|---|
| `routes` | `List`: the updated list of routes filtered by the callback's individual discovery preferences. This value cannot be `null`. <br /> |