B4A Question PDFium library 16 KB question. - Alex_197    
Dec 1, 2025Hi all.
I have a question. Since the PDFium library is a only option to open a PDF and this lib is not 16KB compatible - are there any option to update this lib?
I tried to update the Pdfium.aar...
I downloaded PdfiumAndroid-2.0.0-release.aar from https://github.com/chiragthummar/PdfiumAndroid16KB...
link: libraries that Google saw as NOT compatible)
I have already submitted apps with pdfium with this library...
B4A Library PDFium - Pdfview2 - DonManfred    
Sep 26, 2019   
(29 reactions)This is a wrap for a PDF-View which is based on PDFium.
It is based on these two Github-Projects: Pdfium and Android PDF-View
The PDF-View is based on Pdfium 1.9
The Library, resp. the Natives...
link: I downloaded this V2 PDFium release but it is not 16Kb compatible, can anyone help me with a fix...
link: this works already...
Hi Don, replacing the Pdfium.androidx.aar file with the new library works and...
link: @MarcoRome
Try download the v2 AAR above and replace the aar you are using now and see if this work...
B4A Question [SOLVED] Error compiling with B4A 14.2 R8 Enabled (PDFium?) - josejad    
Oct 1, 2026   
(1 reaction)Hi:
I get these errors probably related witn PDFium:
Error: Missing class android.support...))
Missing class android.support.v4.util.ArrayMap (referenced from: void com.shockwave.pdfium.PdfDocument...
link: Noted with thanks @josejad for reporting this, also @Peter Simpson for the fix.
I will ensure that ...
link:
Hello Jose,
Give this a go, even thought I don't think it will make any difference.
AddProguar...
link:
The attachment is missing.
Hum... If I edit the post, I see the "SPOILER", but no when i...
B4A Question (Solved) R8 error with PDFium - Alex_197    
Oct 22, 2026Hi all.
I'm getting this runtime error when I using R8 with PDFium lib.
** Activity (main) Resume **
onError()
java.lang.UnsatisfiedLinkError: No implementation found for long q.e.B(int, java.lang.String) (tried Java_q_e_B and Java_q_e_B__ILjava_lang_String_2) - is the library loaded, e.g. System.loadLibrary?
at q.e.B(Native Method)
at q.e.G(SourceFile:15)
at k.a.a(SourceFile:20...
link: Try this rule:
-keep class com.shockwave.pdfium.** { *; }
...
B4A Question PDFium update for 16kb - Alex_197    
Oct 8, 2025Hi all.
I tried to update the Pdfium.aar according to https://www.b4x.com/android/forum/threads/libraries-that-do-not-support-16kb-alignment.168440/post-1032482
I downloaded PdfiumAndroid-2.0.0...
link: /android/forum/threads/pdfium-library-16-kb-question.169511/#post-1039361
Maybe you solved...
link: Anyone got a set of updated files we can just update our libraries with ?...
link:
= * 80
FINAL RESULT
= * 80
FAILED: 5 non-compliant file(s):
- libc++_shared.so
- libjniPdfium.so...
B4A Question PDFium library 16 KB issue - Kadandale Ganapathy Bhat    
Jan 7, 2026Dear all
in my app I used PDFium library and i got a warning message from Google consle like
Does not support 16 KB
Hide detail
Learn more
Libraries that do not support 16 KB:
base/lib/arm64-v8a...++_shared.so
base/lib/x86_64/libjniPdfium.so
base/lib/x86_64/libmodft2.so
base/lib/x86_64/libmodpdfium...
link: Issue solved
Thanks...
link: /android/forum/threads/pdfium-library-16-kb-question.169511/#post-1039361...
B4A Question How to catch PDFium_OnErrorListener event? - Alex_197    
Mar 11, 2024Hi, I'm using PDFium in my app and if I try to open a pdf file that is corrupted I see... document: File not in PDF format or corrupted.
at com.shockwave.pdfium.PdfiumCore.nativeOpenDocument(Native Method)
at com.shockwave.pdfium.PdfiumCore.newDocument(PdfiumCore.java:135)
at com...
link:
not that i know of
Thank you for your reply.
How can I catch the onError event with PDFium?...
link:
Is there any other option to check if the PDF is corrupted?
not that i know of...
B4A Question Conflict between PdfDocument and PDFium. - zed    
Jun 13, 2023 to view the created pdf.
I install the PDFium library and -crack!- PDFDocument no longer works...
link: Little mistake. Sorry
Solution Post#5 ...
link: Post #8 isn't a solution, which would confuse people....
link:
Thank you
You've incorrectly marked your own thank-you note as the solution....
B4A Example PDFab - a default PDF viewer app based on DonManfred's PDFium wrap - walt61    
Oct 6, 2023   
(12 reactions).b4x.com/android/forum/threads/pdfium-pdfview2.102756/ : click the big red link that says 'Download HERE', download the zip (I fetched PDFiumV1.04.zip) and extract its files to your...
link:
I ran into the same problem today... Has anyone figured out a solution yet?
See post #5 with my wo...
link: 16KB PDF Libraries available here...
https://www.b4x.com/android/forum/threads/pdfium-library-16...
link: , thanks for this!
' Based on DonManfred's PDFium example app at https://www.b4x.com/android...
B4A Question PDFium_OnTap - RB Smissaert    
Dec 24, 2022   
(1 reaction)Tried the PDFium demo app and all working OK, except there was an error on tapping the screen:
java.lang.Exception: Sub pdfium_ontap was not found.
Couldn't find anywhere what the arguments for this Sub should be, but managed to avoid the error with this Sub:
Sub PDFium_OnTap(o As Object)
Log("PDFium_OnTap")
End Sub
What is the object passed to this Sub and how could it be used?
RBS...
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