# MidiManager.OnDeviceOpenedListener

Added in[API level 23](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)

# OnDeviceOpenedListener

*** ** * ** ***

Kotlin\|[Java](https://developer.android.com/reference/android/media/midi/MidiManager.OnDeviceOpenedListener "View this page in Java")  

```
interface OnDeviceOpenedListener
```

|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [android.media.midi.MidiManager.OnDeviceOpenedListener](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager.OnDeviceOpenedListener#) |

Listener class used for receiving the results of[openDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager#openDevice(android.media.midi.MidiDeviceInfo,%20android.media.midi.MidiManager.OnDeviceOpenedListener,%20android.os.Handler))and[openBluetoothDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager#openBluetoothDevice(android.bluetooth.BluetoothDevice,%20android.media.midi.MidiManager.OnDeviceOpenedListener,%20android.os.Handler))

## Summary

|                                                                                                                                                                                                                                                                                                       Public methods                                                                                                                                                                                                                                                                                                        ||
|--------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| abstract[Unit](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) | [onDeviceOpened](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager.OnDeviceOpenedListener#onDeviceOpened(android.media.midi.MidiDevice))`(`device:` `[MidiDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiDevice)!`)` Called to respond to a[openDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager#openDevice(android.media.midi.MidiDeviceInfo,%20android.media.midi.MidiManager.OnDeviceOpenedListener,%20android.os.Handler))request |

## Public methods

### onDeviceOpened

Added in[API level 23](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)  

```
abstract fun onDeviceOpened(device: MidiDevice!): Unit
```

Called to respond to a[openDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiManager#openDevice(android.media.midi.MidiDeviceInfo,%20android.media.midi.MidiManager.OnDeviceOpenedListener,%20android.os.Handler))request

|                                                                                                                  Parameters                                                                                                                   ||
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `device` | [MidiDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiDevice)!:a[MidiDevice](https://developer.android.com/reference/kotlin/android/media/midi/MidiDevice)for opened device, or null if opening failed |