How to load Flutter SfPdfViewer from internal storage files?

This article explains how to load a PDF document from the internal storage in the Flutter PDF Viewer.

The Syncfusion^® Flutter PDF Viewer widget provides the support to load a PDF document from Asset, Network, File, and Memory. The SfPdfViewer.file is used to load a PDF document from a file.

To load a PDF document from the internal storage in the Syncfusion^® Flutter PDFViewer follow these instructions.

Step 1: Add read permission [android\app\src\main\AndroidManifext.xml] in the AndriodManifest.xml file.

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

Step 2: Mention the PDF file path while creating the SfPdfViewer widget as shown in the following code.

@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(
      title: const Text('Syncfusion Flutter PDF Viewer'),
    ),
    body: SfPdfViewer.file(
      File('storage/emulated/0/Download/gis_succinctly.pdf'),
    ),
  );
}
 

Screenshot:

A complete working sample can be downloaded from here.

Take a moment to peruse the documentation for loading PDF documents. You can also find other options like Asset, Network, and Memory to load the PDF document.