internal NSString CategoryToToken(AVAudioSessionCategory category)
{
switch (category)
{
case AVAudioSessionCategory.Ambient:
return(AVAudioSession.CategoryAmbient);
case AVAudioSessionCategory.SoloAmbient:
return(AVAudioSession.CategorySoloAmbient);
case AVAudioSessionCategory.Playback:
return(AVAudioSession.CategoryPlayback);
case AVAudioSessionCategory.Record:
return(AVAudioSession.CategoryRecord);
case AVAudioSessionCategory.PlayAndRecord:
return(AVAudioSession.CategoryPlayAndRecord);
#if !TVOS
case AVAudioSessionCategory.AudioProcessing:
return(AVAudioSession.CategoryAudioProcessing);
#endif
case AVAudioSessionCategory.MultiRoute:
return(AVAudioSession.CategoryMultiRoute);
}
return(null);
}
public NSError SetCategory(AVAudioSessionCategory category, AVAudioSessionCategoryOptions options)
{
NSError error;
if (SetCategory(CategoryToToken(category), options, out error))
{
return(null);
}
return(error);
}
public static void ConfigureAudio(AVAudioSessionCategory mode)
{
var session = AVAudioSession.SharedInstance();
var err = session.SetCategory(mode);
if (err != null)
{
throw new Exception("Failed to initiate the recorder: " + err.Description);
}
err = session.SetActive(beActive: true);
if (err != null)
{
throw new Exception("Failed to activate the recorder: " + err.Description);
}
}
public NSError SetCategory(AVAudioSessionCategory category)
{
return(SetCategory(CategoryToToken(category)));
}
/// <summary>
/// Call this method in your iOS project if you'd like the <see cref="AudioPlayer"/> to set the shared <see cref="AVAudioSession"/>
/// category to the requested <paramref name="category"/> before playing audio and return it to its previous value after playback is complete.
/// <see cref="OnPrepareAudioSession"/> and <see cref="OnResetAudioSession"/> will also be called before and after each playback operation to allow for further session configuration.
/// Note that some categories do not support playback.
/// </summary>
public static void RequestAVAudioSessionCategory(AVAudioSessionCategory category)
{
requestedAVAudioSessionCategory = category;
}
/// <summary>
/// Call this method in your iOS project if you'd like the <see cref="AudioRecorderService"/> to attempt to set the shared <see cref="AVAudioSession"/>
/// category to the requested <paramref name="category"/> before recording audio and return it to its previous value after recording is complete.
/// The default category used will be <see cref="AVAudioSessionCategory.PlayAndRecord"/>. Note that some categories do not support recording.
/// </summary>
public static void RequestAVAudioSessionCategory(AVAudioSessionCategory category = AVAudioSessionCategory.PlayAndRecord)
{
requestedAVAudioSessionCategory = category;
}
public NSError SetCategory(AVAudioSessionCategory category)
{
return SetCategory (CategoryToToken (category));
}
internal NSString CategoryToToken(AVAudioSessionCategory category)
{
switch (category){
case AVAudioSessionCategory.Ambient:
return AVAudioSession.CategoryAmbient;
case AVAudioSessionCategory.SoloAmbient:
return AVAudioSession.CategorySoloAmbient;
case AVAudioSessionCategory.Playback:
return AVAudioSession.CategoryPlayback;
case AVAudioSessionCategory.Record:
return AVAudioSession.CategoryRecord;
case AVAudioSessionCategory.PlayAndRecord:
return AVAudioSession.CategoryPlayAndRecord;
#if !TVOS
case AVAudioSessionCategory.AudioProcessing:
return AVAudioSession.CategoryAudioProcessing;
#endif
case AVAudioSessionCategory.MultiRoute:
return AVAudioSession.CategoryMultiRoute;
}
return null;
}
public NSError SetCategory(AVAudioSessionCategory category, AVAudioSessionCategoryOptions options)
{
NSError error;
if (SetCategory (CategoryToToken (category), options, out error))
return null;
return error;
}
