public static AVAudioRecorder Create(NSUrl url, AVAudioFormat format, out NSError error)
{
if (format == null)
{
throw new ArgumentNullException(nameof(format));
}
error = null;
try {
AVAudioRecorder r = new AVAudioRecorder(url, format, out error);
if (r.Handle == IntPtr.Zero)
{
return(null);
}
return(r);
} catch {
return(null);
}
}
AVAudioRecorder(NSUrl url, AVAudioFormat format, out NSError error)
{
// We use this method because it allows us to out NSError but, as a side effect, it is possible for the handle to be null and we will need to check this manually (on the Create method).
Handle = InitWithUrl(url, format, out error);
}
public AVAudioSourceNode(AVAudioFormat format, AVAudioSourceNodeRenderHandler renderHandler)
{
throw new InvalidOperationException("Do not use this constructor. Use the 'AVAudioSourceNode (AVAudioFormat, AVAudioSourceNodeRenderHandler2)' constructor instead.");
}