AudioManager.SetPreferredMixerAttributes Method

Reference

Definition

Namespace:: Android.Media

Assembly:: Mono.Android.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Configures the mixer attributes for a particular AudioAttributes over a given AudioDeviceInfo.

[Android.Runtime.Register("setPreferredMixerAttributes", "(Landroid/media/AudioAttributes;Landroid/media/AudioDeviceInfo;Landroid/media/AudioMixerAttributes;)Z", "GetSetPreferredMixerAttributes_Landroid_media_AudioAttributes_Landroid_media_AudioDeviceInfo_Landroid_media_AudioMixerAttributes_Handler", ApiSince=34)]
[Android.Runtime.RequiresPermission("android.permission.MODIFY_AUDIO_SETTINGS")]
public virtual bool SetPreferredMixerAttributes (Android.Media.AudioAttributes attributes, Android.Media.AudioDeviceInfo device, Android.Media.AudioMixerAttributes mixerAttributes);

[<Android.Runtime.Register("setPreferredMixerAttributes", "(Landroid/media/AudioAttributes;Landroid/media/AudioDeviceInfo;Landroid/media/AudioMixerAttributes;)Z", "GetSetPreferredMixerAttributes_Landroid_media_AudioAttributes_Landroid_media_AudioDeviceInfo_Landroid_media_AudioMixerAttributes_Handler", ApiSince=34)>]
[<Android.Runtime.RequiresPermission("android.permission.MODIFY_AUDIO_SETTINGS")>]
abstract member SetPreferredMixerAttributes : Android.Media.AudioAttributes * Android.Media.AudioDeviceInfo * Android.Media.AudioMixerAttributes -> bool
override this.SetPreferredMixerAttributes : Android.Media.AudioAttributes * Android.Media.AudioDeviceInfo * Android.Media.AudioMixerAttributes -> bool

Parameters

attributes: AudioAttributes

the AudioAttributes whose mixer attributes should be set. Currently, only AudioAttributes#USAGE_MEDIA is supported. When playing audio targeted at the given device, use the same attributes for playback.

device: AudioDeviceInfo

the device to be routed. Currently, only USB device will be allowed.

mixerAttributes: AudioMixerAttributes

the preferred mixer attributes. When playing audio targeted at the given device, use the same AudioFormat for both playback and the mixer attributes.

Returns

Boolean

true only if the preferred mixer attributes are set successfully.

Attributes: RegisterAttribute RequiresPermissionAttribute

Remarks

Configures the mixer attributes for a particular AudioAttributes over a given AudioDeviceInfo.

Call #getSupportedMixerAttributes(AudioDeviceInfo) to determine which mixer attributes can be used with the given device.

The ownership of preferred mixer attributes is recognized by uid. When a playback from the same uid is routed to the given audio device when calling this API, the output mixer/stream will be configured with the values previously set via this API.

Use #clearPreferredMixerAttributes(AudioAttributes, AudioDeviceInfo) to cancel setting mixer attributes for this AudioAttributes.

Java documentation for android.media.AudioManager.setPreferredMixerAttributes(android.media.AudioAttributes, android.media.AudioDeviceInfo, android.media.AudioMixerAttributes).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

Sdílet prostřednictvím