private async Task <List <MediaFile> > HandleMediaFiles(List <MediaFile> mediaList, PickMediaOptions options = null)
{
if (mediaList == null)
{
return(null);
}
if (options == null)
{
options = new PickMediaOptions();
}
//check to see if we picked a file, and if so then try to fix orientation and resize
for (int i = 0; i < mediaList.Count; i++)
{
var media = mediaList[i];
if (string.IsNullOrWhiteSpace(media?.Path) || media?.Type == Abstractions.MediaType.Video)
{
continue;
}
try
{
bool imageChanged = false;
var originalMetadata = new ExifInterface(media.Path);
if (options.RotateImage)
{
imageChanged = await FixOrientationAndResizeAsync(media.Path, options, originalMetadata);
}
else
{
imageChanged = await ResizeAsync(media.Path, options.PhotoSize, options.CompressionQuality, options.CustomPhotoSize, options.MaxWidthHeight, originalMetadata);
}
if (imageChanged)
{
var newExif = new ExifInterface(media.Path);
newExif.Copy(originalMetadata);
newExif.SaveAttributes();
}
else
{
originalMetadata.SaveAttributes();
}
UpdateMetadata(ref media, originalMetadata);
}
catch (Exception ex)
{
Console.WriteLine("Unable to check orientation: " + ex);
}
}
return(mediaList);
}
/// <summary>
/// Take a photo async with specified options
/// </summary>
/// <param name="options">Camera Media Options</param>
/// <returns>Media file of photo or null if canceled</returns>
public async Task <MediaFile> TakePhotoAsync(StoreCameraMediaOptions options)
{
if (!IsCameraAvailable)
{
throw new NotSupportedException();
}
if (!(await RequestCameraPermissions()))
{
return(null);
}
VerifyOptions(options);
var mediaList = (await TakeMediaAsync("image/*", MediaStore.ActionImageCapture, options));
if (mediaList == null)
{
return(null);
}
var media = mediaList.First();
if (string.IsNullOrWhiteSpace(media?.Path))
{
return(media);
}
//check to see if we need to rotate if success
try
{
bool imageChanged = false;
var exif = new ExifInterface(media.Path);
exif.SetAttribute(ExifInterface.TagDatetime, DateTime.Now.ToString("yyyy:MM:dd HH:mm:ss"));
exif.SetAttribute(ExifInterface.TagDatetimeOriginal, DateTime.Now.ToString("yyyy:MM:dd HH:mm:ss"));
if (options.RotateImage)
{
imageChanged = await FixOrientationAndResizeAsync(media.Path, options, exif);
}
else
{
imageChanged = await ResizeAsync(media.Path, options.PhotoSize, options.CompressionQuality, options.CustomPhotoSize, options.MaxWidthHeight, exif);
}
SetMissingMetadata(exif, options.Location);
if (imageChanged)
{
var newExif = new ExifInterface(media.Path);
newExif.Copy(exif);
newExif.SaveAttributes();
}
else
{
exif.SaveAttributes();
}
UpdateMetadata(ref media, exif);
if (options.SaveToAlbum)
{
SaveMediaToAlbum(options, media);
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to check orientation: " + ex);
}
return(media);
}
