static string GetExtension(Context context, Android.Net.Uri uri)
{
string extension;
//Check uri format to avoid null
if (uri.Scheme.Equals(ContentResolver.SchemeContent))
{
//If scheme is a content
MimeTypeMap mime = MimeTypeMap.Singleton;
extension = mime.GetExtensionFromMimeType(context.ContentResolver.GetType(uri));
}
else
{
//If scheme is a File
//This will replace white spaces with %20 and also other special characters. This will avoid returning null values on file name with spaces and special characters.
extension = MimeTypeMap.GetFileExtensionFromUrl(Android.Net.Uri.FromFile(new Java.IO.File(uri.Path)).ToString());
}
return(extension);
}
public bool CheckType(ContentResolver resolver, Uri uri)
{
MimeTypeMap map = MimeTypeMap.Singleton;
if (uri == null)
{
return(false);
}
string type = map.GetExtensionFromMimeType(resolver.GetType(uri));
foreach (string extension in mExtensions)
{
if (extension.Equals(type))
{
return(true);
}
string path = PhotoMetadataUtils.GetPath(resolver, uri);
if (path != null && path.ToLower().EndsWith(extension))
{
return(true);
}
}
return(false);
}