Can I track the upload progress of asset when attaching to an entity using the javascript SDK? Also my image is base64 encoded and embedded within a div (indeed as a img src attribute). When I try to attach this as a binary content I get the error as "readAsBinaryString is not an object". I used atob to do this conversion. Will this SDK request this in some specific format or do I just need to pass this binary content which I got as result?
Currently this is not supported by the Usergrid API or Usergrid SDKs. You could probably work around it using HTML5, but more than likely you'd have to fake it.