public override void EndInterruption(AVAudioRecorder recorder)
{
if (cbEndInterruption != null)
{
cbEndInterruption(recorder, EventArgs.Empty);
}
}
public override void EncoderError(AVAudioRecorder recorder, NSError error)
{
if (cbEncoderError != null)
{
cbEncoderError(recorder, new AVErrorEventArgs(error));
}
}
public override void FinishedRecording(AVAudioRecorder recorder, bool flag)
{
if (cbFinishedRecording != null)
{
cbFinishedRecording(recorder, new AVStatusEventArgs(flag));
}
}
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);
}
}
public static AVAudioRecorder Create(NSUrl url, AudioSettings settings, out NSError error)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
error = null;
try {
AVAudioRecorder r = new AVAudioRecorder(url, settings, out error);
if (r.Handle == IntPtr.Zero)
{
return(null);
}
return(r);
} catch {
return(null);
}
}
public bool RecordAudio()
{
try {
var audioSession = AVFoundation.AVAudioSession.SharedInstance ();
var err = audioSession.SetCategory (AVFoundation.AVAudioSessionCategory.PlayAndRecord);
if (err != null) {
return false;
}
err = audioSession.SetActive (true);
if (err != null) {
return false;
}
string directoryname = string.Empty;
try {
var documents =
Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments);
directoryname = System.IO.Path.Combine (documents, "PurposeColor/Audio");
System.IO.Directory.CreateDirectory(directoryname);
} catch (Exception ex) {
var test = ex.Message;
}
fileName = string.Format ("Audio{0}.wav", DateTime.Now.ToString ("yyyyMMddHHmmss"));
audioFilePath = System.IO.Path.Combine (directoryname, fileName);
url = Foundation.NSUrl.FromFilename (audioFilePath);
//set up the NSObject Array of values that will be combined with the keys to make the NSDictionary
Foundation.NSObject[] values = new NSObject[] {
NSNumber.FromFloat (44100.0f), //Sample Rate
NSNumber.FromInt32 ((int)AudioToolbox.AudioFormatType.LinearPCM), //AVFormat
NSNumber.FromInt32 (1), //Channels
NSNumber.FromInt32 (16) //PCMBitDepth
};
//Set up the NSObject Array of keys that will be combined with the values to make the NSDictionary
NSObject[] keys = new NSObject[] {
AVAudioSettings.AVSampleRateKey,
AVAudioSettings.AVFormatIDKey,
AVAudioSettings.AVNumberOfChannelsKey,
AVAudioSettings.AVLinearPCMBitDepthKey
};
//Set Settings with the Values and Keys to create the NSDictionary
settings = NSDictionary.FromObjectsAndKeys (values, keys);
var error = new NSError();
//Set recorder parameters
recorder = AVAudioRecorder.Create (url, new AudioSettings (settings), out error);
//Set Recorder to Prepare To Record
recorder.PrepareToRecord ();
recorder.Record ();
return true;
}
catch (Exception ex)
{
var tt = ex.Message;
return false;
}
}
