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How to display PDF document from URL using SfPdfViewer in Xamarin.Android?
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How to display PDF document from URL using SfPdfViewer in Xamarin.Android?
At present SfPdfViewer in Xamarin.Android do not have a direct support to display the PDF document from URL. However, as a workaround you can download the document or files from URL as Stream using WebClient class and load it in the PDF viewer.
The below code snippet illustrates how to download the PDF document from URL as Stream using WebClient:
C#:
/// <summary>
/// Download PDF document as stream from the given URL
/// </summary>
/// <param name="URL">URL which holds PDF document</param>
/// <returns></returns>
private Stream DownloadPdfStream(string URL)
{
//Initialize WebClient
WebClient webClient = new WebClient();
// Initialize Uri
var uri = new System.Uri(URL);
//Returns the document stream from the given URL
return webClient.OpenRead(uri);
}
Then we can load the downloaded PDF document Stream to display it in PDF viewer in Xamarin.Android. Please find the code snippet below for your reference:
C#:
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
//Set the activity content from a layout resource
SetContentView(Resource.Layout.Main);
// Finds a SfPdfViewer that was identified by resource id
var pdfViewerControl = FindViewById<SfPdfViewer>(Resource.Id.pdfviewerControl);
//Download PDF document from the given URL as a stream
Stream pdfStream = DownloadPdfStream("http://www.syncfusion.com/downloads/support/directtrac/general/pd/Xamarin-Forms-Succinctly1843641035");
//Load the downloaded PDF document stream to display it in SfPdfViewer
pdfViewerControl.LoadDocument(pdfStream);
}
Sample Link:
https://www.syncfusion.com/downloads/support/directtrac/general/ze/PdfViewerSample-1610083496
