/// <summary>
/// Select a picture from library.
/// </summary>
/// <param name="options">The storage options.</param>
/// <returns>Task<IMediaFile>.</returns>
public Task<MediaFile> SelectPhotoAsync(CameraMediaStorageOptions options)
{
if (!IsPhotosSupported)
throw new NotSupportedException();
return GetMediaAsync (UIImagePickerControllerSourceType.PhotoLibrary, TypeImage);
}
/// <summary>
/// Takes the picture.
/// </summary>
/// <param name="options">The storage options.</param>
/// <returns>Task<IMediaFile>.</returns>
public Task<MediaFile> TakePhotoAsync(CameraMediaStorageOptions options){
if (!IsPhotosSupported)
throw new NotSupportedException();
if (!IsCameraAvailable)
throw new NotSupportedException();
VerifyCameraOptions (options);
return GetMediaAsync (UIImagePickerControllerSourceType.Camera, TypeImage, options);
}
/// <summary>
/// Select a picture from library.
/// </summary>
/// <param name="options">The storage options.</param>
/// <returns>Task with a return type of MediaFile.</returns>
/// <exception cref="System.NotSupportedException">Throws an exception if feature is not supported.</exception>
public Task<MediaFile> SelectPhotoAsync(CameraMediaStorageOptions options)
{
if (!IsCameraAvailable)
{
throw new NotSupportedException();
}
options.VerifyOptions();
return TakeMediaAsync("image/*", Intent.ActionPick, options);
}
/// <summary>
/// Takes the picture.
/// </summary>
/// <param name="options">The storage options.</param>
/// <returns>Task<IMediaFile>.</returns>
/// <exception cref="System.NotImplementedException"></exception>
public Task<MediaFile> TakePhotoAsync(CameraMediaStorageOptions options)
{
options.VerifyOptions();
var ntcs = new TaskCompletionSource<MediaFile>(options);
if (Interlocked.CompareExchange(ref _completionSource, ntcs, null) != null)
throw new InvalidOperationException("Only one operation can be active at a time");
_cameraCapture.Show();
return ntcs.Task;
}
/// <summary>
/// Takes the picture.
/// </summary>
/// <param name="options">The storage options.</param>
/// <returns>Task<IMediaFile>.</returns>
/// <exception cref="System.NotImplementedException"></exception>
public Task<MediaFile> TakePhotoAsync(CameraMediaStorageOptions options)
{
if (!IsCameraAvailable)
throw new NotSupportedException();
options.VerifyOptions();
return TakeMediaAsync("image/*", MediaStore.ActionImageCapture, options);
}
private void VerifyCameraOptions (CameraMediaStorageOptions options)
{
VerifyOptions (options);
if (!Enum.IsDefined (typeof(CameraDevice), options.DefaultCamera))
throw new ArgumentException ("options.Camera is not a member of CameraDevice");
}
