Task IMessageSubscriber <ActivityResultMessage> .ReceiveMessageAsync(
ActivityResultMessage message)
{
if (message.RequestCode == LauncherRequestIds.PhotoChooser)
{
var messenger = Dependency.Resolve <IMessenger>();
messenger.Unsubscribe(this);
PhotoResult photoResult;
if (message.ResultCode == Result.Ok)
{
var uri = message.Intent.Data;
var context = Dependency.Resolve <Context>();
string fileName = GetFileName(context, uri);
if (string.IsNullOrWhiteSpace(fileName))
{
string extension = GetExtension(context, uri);
fileName = "Unknown." + extension;
}
photoResult = new PhotoResult
{
Uri = uri,
OriginalFileName = fileName,
LauncherResult = LauncherResult.OK
};
}
else
{
photoResult = new PhotoResult
{
LauncherResult = LauncherResult.Cancel
};
}
OnCompleted(photoResult);
}
return(Task.CompletedTask);
}
public async Task <PhotoResultBase> ShowAsync()
{
CameraCaptureUI dialog = new CameraCaptureUI();
if (PixelHeight > 0 || PixelWidth > 0)
{
dialog.PhotoSettings.CroppedSizeInPixels = new Size(PixelWidth, PixelHeight);
}
StorageFile file = await dialog.CaptureFileAsync(CameraCaptureUIMode.Photo);
if (file != null)
{
var result = new PhotoResult()
{
ChosenPhoto = await file.OpenStreamForReadAsync(),
OriginalFileName = file.Name
};
return(result);
}
return(null);
}