Download file from server and display it

[Danny Ackerman]

Hi,

Do you have any sample code for Xamarin.Forms using the PDFViewer for downloading a remote file and displaying it in the PDFViewer?  Also, can the PDFViewer display images, or only PDF's?

Thanks!

[Navaneetha Kannan Sudalai Muthu]

Hi Danny,  

Please find the details below.  

Do you have any sample code for Xamarin.Forms using the PDFViewer for downloading a remote file and displaying it in the PDFViewer?

Please refer the following KB article for loading a PDF from a URL.   https://www.syncfusion.com/kb/8730/how-to-load-pdf-document-in-sfpdfviewer-xamarin-forms-from-given-url   We have also replied to the comment you have posted on the KB article.   In addition to the possibility of large size PDF and absence of network connectivity as we mentioned in the comment, the issue may also occur if the URL request through the network to which the device is connected fails.   If so please provide us with the URL of the PDF you are loading.

Also, can the PDFViewer display images, or only PDF's?

As the name suggests, PdfViewer can be used only with PDF documents. To display images kindly use Syncfusion’s SfImageEditor control. Please refer the below documentation link  https://help.syncfusion.com/xamarin/sfimageeditor/overview

Best, 

Navaneetha Kannan 

[Douglas]

where does file get saved?

[Vikram Devaraj]

Hi Douglas,  

 

Greetings from Syncfusion support,  

 

SfPdfViewer Xamarin does not allows you to save the PDF document locally when we use the save button in built-in toolbar. It will only provide a saved PDF document stream in the DocumentSaveInitiated event handler, using which you can save the PDF document locally.  

Please refer the below code snippet,  

pdfViewerControl.DocumentSaveInitiated += PdfViewerControl_DocumentSaveInitiated;private void PdfViewerControl_DocumentSaveInitiated(object sender, Syncfusion.SfPdfViewer.XForms.DocumentSaveInitiatedEventArgs args) {​ Stream pdfDocumentStream = args.SaveStream; // This saved PDF document stream can be saved locally. }​  

  

Please refer the KB documentation below to save the PDF document at the application level,  

https://www.syncfusion.com/kb/9031/how-to-save-loaded-pdf-document-in-application-level   

 

Regards,  

Vikram D. 

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