Convert base64 String into PDF file in Flutter
Solution 1
Check this : https://stackoverflow.com/a/55599926/305135
(Following code is copied from link above)
This should convert base64 encoded pdf data into a byte array.
import 'packages:dart/convert.dart';
List<int> pdfDataBytes = base64.decode(pdfBase64)
.map((number) => int.parse(number));
The pdf and the image plugins seems to suit your needs for displaying pdf.
The code should be roughly like so:
import 'package:pdf/pdf.dart';
import 'package:image/image.dart';
...
Image img = decodeImage(pdfDataBytes);
PdfImage image = PdfImage(
pdf,
image: img.data.buffer.asUint8List(),
width: img.width,
height: img.height);
// Display it somehow
...
Solution 2
At first i was doing the same thing like you. But i didnt file any appropriate solution to convert the base64 String into a pdf file.
I think you can get the BufferArray and then convert it into a pdf file. I have answered how to parse blob data to pdf in this question : How to convert ByteBuffer to pdf
Code Hunter
Updated on December 29, 2022Comments
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Code Hunter over 1 year
I am trying to show a PDF file. But PDF file I am receiving from server in Base64 String format. Is there any way I can directly show Base64 String into PDF viewer or WebView without saving it into File.
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BosS almost 3 yearsWhat is pdf parameter in PdfImage object?