Switch Output Speaker in Native Android Framework

[Lars Bork]

Hello,

I would like to be able to set the speaker that should be used to output WebRtc audio streams. Right now the earpiece is always used, but sometimes I want to listen to the stream loudly (e.g. in a car).

On iOS I can do this by manipulating the AVAudioSession:

[[AVAudioSession sharedInstance] overrideOutputAudioPort:AVAudioSessionPortOverrideSpeaker error:&error];

This approach is suggested oftenly, but it does not work for me:

audioManager.setSpeakerphoneOn(on);

Do you know how I can change the speaker output?

[Henrik Andreasson]

We have not added these parts to the native audio layer in Android since it works better to leave it for the

application level.

One (rather complex since it also support BT) example in AppRTCMobile can be found here and there is a UI in the demo client

where you can force usage of the speaker phone. Note that the demo also uses a proximity sensor which 

should switch between earpiece and speakerphone automatically.

But to summarize: using the setSpeakerphoneOn() API on the AudioManager is the correct approach.

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[Lars Bork]

Thanks, Henrik. My problem was that I did not include the proper permissions.

This permission is required in order to change the audio speaker:

<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />

Am Montag, 30. Januar 2017 13:34:48 UTC+1 schrieb Henrik Andreassson:

We have not added these parts to the native audio layer in Android since it works better to leave it for the

application level.

One (rather complex since it also support BT) example in AppRTCMobile can be found here and there is a UI in the demo client

where you can force usage of the speaker phone. Note that the demo also uses a proximity sensor which 

should switch between earpiece and speakerphone automatically.

But to summarize: using the setSpeakerphoneOn() API on the AudioManager is the correct approach.

On Sat, Jan 28, 2017 at 12:57 PM, Lars Bork <polarapps...@gmail.com> wrote:

Hello,

I would like to be able to set the speaker that should be used to output WebRtc audio streams. Right now the earpiece is always used, but sometimes I want to listen to the stream loudly (e.g. in a car).

On iOS I can do this by manipulating the AVAudioSession:

[[AVAudioSession sharedInstance] overrideOutputAudioPort:AVAudioSessionPortOverrideSpeaker error:&error];

This approach is suggested oftenly, but it does not work for me:

audioManager.setSpeakerphoneOn(on);

Do you know how I can change the speaker output?

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