/// <summary>
/// Handles result of audio recording tasks
/// </summary>
/// <param name="sender"></param>
/// <param name="e">stores information about current captured audio</param>
private void audioRecordingTask_Completed(object sender, AudioResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
// Get image data
MediaFile data = new MediaFile(e.AudioFileName, e.AudioFile);
this.files.Add(data);
if (files.Count < this.captureAudioOptions.Limit)
{
audioCaptureTask.Show();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
}
catch (Exception)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error capturing audio."));
}
break;
case TaskResult.Cancel:
if (files.Count > 0)
{
// User canceled operation, but some audio clips were made
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
}
break;
default:
if (files.Count > 0)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Did not complete!"));
}
break;
}
}
/// <summary>
/// Handles Take button click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnTake_Click(object sender, RoutedEventArgs e)
{
this.result = this.SaveAudioClipToLocalStorage();
if (this.NavigationService.CanGoBack)
{
this.NavigationService.GoBack();
}
}
/// <summary>
/// Writes audio data from memory to isolated storage
/// </summary>
/// <returns></returns>
private AudioResult SaveAudioClipToLocalStorage()
{
if (this.memoryStream == null || this.memoryStream.Length <= 0)
{
return(new AudioResult(TaskResult.Cancel));
}
this.UpdateWavHeader(this.memoryStream);
// save audio data to local isolated storage
string filename = String.Format(FileNameFormat, Guid.NewGuid().ToString());
try
{
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.DirectoryExists(LocalFolderName))
{
isoFile.CreateDirectory(LocalFolderName);
}
string filePath = System.IO.Path.Combine("/" + LocalFolderName + "/", filename);
this.memoryStream.Seek(0, SeekOrigin.Begin);
using (IsolatedStorageFileStream fileStream = isoFile.CreateFile(filePath))
{
this.memoryStream.CopyTo(fileStream);
}
AudioResult result = new AudioResult(TaskResult.OK);
result.AudioFileName = filePath;
result.AudioFile = this.memoryStream;
result.AudioFile.Seek(0, SeekOrigin.Begin);
return(result);
}
}
catch (Exception)
{
//TODO: log or do something else
throw;
}
}
/// <summary>
/// Writes audio data from memory to isolated storage
/// </summary>
/// <returns></returns>
private AudioResult SaveAudioClipToLocalStorage()
{
if (this.memoryStream == null || this.memoryStream.Length <= 0)
{
return new AudioResult(TaskResult.Cancel);
}
this.UpdateWavHeader(this.memoryStream);
// save audio data to local isolated storage
string filename = String.Format(FileNameFormat, Guid.NewGuid().ToString());
try
{
using (IsolatedStorageFile isoFile = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!isoFile.DirectoryExists(LocalFolderName))
{
isoFile.CreateDirectory(LocalFolderName);
}
string filePath = System.IO.Path.Combine("/" + LocalFolderName + "/", filename);
this.memoryStream.Seek(0, SeekOrigin.Begin);
using (IsolatedStorageFileStream fileStream = isoFile.CreateFile(filePath))
{
this.memoryStream.CopyTo(fileStream);
}
AudioResult result = new AudioResult(TaskResult.OK);
result.AudioFileName = filePath;
result.AudioFile = this.memoryStream;
result.AudioFile.Seek(0, SeekOrigin.Begin);
return result;
}
}
catch (Exception)
{
//TODO: log or do something else
throw;
}
}
/// <summary>
/// Handles Take button click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnTake_Click(object sender, RoutedEventArgs e)
{
this.result = this.SaveAudioClipToLocalStorage();
if (this.NavigationService.CanGoBack)
{
this.NavigationService.GoBack();
}
}
/// <summary>
/// Handles result of audio recording tasks
/// </summary>
/// <param name="sender"></param>
/// <param name="e">stores information about current captured audio</param>
private void audioRecordingTask_Completed(object sender, AudioResult e)
{
if (e.Error != null)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR));
return;
}
switch (e.TaskResult)
{
case TaskResult.OK:
try
{
// Get image data
MediaFile data = new MediaFile(e.AudioFileName, e.AudioFile);
this.files.Add(data);
if (files.Count < this.captureAudioOptions.Limit)
{
audioCaptureTask.Show();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
}
catch (Exception ex)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error capturing audio."));
}
break;
case TaskResult.Cancel:
if (files.Count > 0)
{
// User canceled operation, but some audio clips were made
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Canceled."));
}
break;
default:
if (files.Count > 0)
{
DispatchCommandResult(new PluginResult(PluginResult.Status.OK, files, "navigator.device.capture._castMediaFile"));
files.Clear();
}
else
{
DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Did not complete!"));
}
break;
}
}
