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Barcode scanner is not working properly
In Progress
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sequelmage
Jan 3, 2024

The barcode scanner seems to be really finicky. When I try to use it, it takes 5+ attempts and even then it’s not always successful. It seems like it attempts to scan before the camera has come into focus so it’s not grabbing a correct or complete ISBN value so it just fails to find the book. In case this is device specific I am using an iPhone 12 running iOS 16.1.1

Comments
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sdonnell
Jan 19, 2025

Also on iPhone and have this issue. It takes 4-5 attempts to scan the barcode (with me moving around to try to get both the lighting and focus to work at the same time) and most of the time scans the incorrect ISBN (not sure where the numbers are pulled from since it doesn’t match anything on the barcode). I tested it out yesterday by scanning a book then realizing the ISBN was incorrect. I typed the correct number in and it directed me to the book. Not sure what would be causing that.

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anatema
Jan 1, 2025

I'm on Android and can't access the barcode scanner at all since the last update. The search icon and the barcode icon overlap, so when I try to open the barcode scanner it only tells me to enter text in the search bar.

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Nadia
Jan 3, 2025

anatema The search icon shouldn't be visible at all. This implies the certain parts of the code hasn't loaded up properly on your app. If you force quit, is it still the same? What type of phone do you have?

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anatema
Jan 8, 2025

Nadia
That worked 👍🏻
Thank you for the fast reply.

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skorned
Dec 31, 2024

For my phone (Android S21+), it's that the camera focuses on whatever is in the background, and the foreground is blurry. So what I see is that it is very clear and focusing on the desk or table behind the book, and not the upper half of the screen where the actual barcode is. I am unable to tap or manually select a place for it to focus on the barcode.

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saoirse_edits
Dec 30, 2024

I'm on an iPhone in case that matters.

I am able to scan the barcode with no issues. But it almost exclusively leads to the "add a book" page. But when I search for the book via title/author, I am able to find it.

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Nadia
Dec 26, 2024

Reverted the recent changes as they weren't working well in general! Sorry everyone! Still working on it.

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rainbowbrarian
Dec 30, 2024

Nadia Thanks for your hard work! You're doing an awesome job.

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Nadia
Jan 4, 2025

rainbowbrarian Aww, thank you sooo much!!

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Nadia
Dec 25, 2024

Can everyone force quit and give the scanner a try and see how it goes? (iOS repeatedly asking for permissions is still not fixed it seems.)

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edulaia
Dec 25, 2024

Nadia on Android it now is a lot more smooth. I used to have to open, then close, then open again before it focused, now it does it immediately.

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baffi
Dec 25, 2024

Nadia No change for me at all (Android 14 | Samsung A54). The scanner doesn't focus properly. It's all blurry and too far away for the phone being held so close to the book.

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bobbi
Dec 25, 2024

Nadia It's still broken for me on Pixel 6a running Android 15. Most of the time it picks up what seems to be an arbitrary number. When scanning the same book, it comes up with a different number each time (and it's not a subset of the numbers associated with either of the barcodes on the back of the book).

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sequelmage
Dec 26, 2024

Nadia Doesn't seem to be working at all now on iOS 18

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Nadia
Dec 25, 2024
Set the status to
In Progress
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kmsourada
Dec 23, 2024

Not working on my Google Pixel phone

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beebeewin
Oct 23, 2024

On my galaxy s22 I have to hold it at an exact distance when I click the scan button otherwise it just never focuses enough to scan.

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Nadia
Oct 4, 2024

Seemingly broken with iOS 18.

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lostghostofthevoid
Sep 11, 2024

Might not be the same bug, but I've noticed when on a book it has two bar codes, one of them for ISBN and the other for something else, it occassionally reads both or the non-ISBN, and it then searches for a number different than the ISBN display on the back of the book.

Although, I've noticed employees at Best Buy have to block one of the barcodes during returns with electronics, so maybe it's just a general issue with scanners. So maybe a way to isolate the bar codes (detect all in the frame), and then let the user select the correct barcode. Might be difficult to implement, though.

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Nadia
Sep 12, 2024

lostghostofthevoid Thank you for the note!

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sassmistress
Oct 8, 2024

Nadia This has definitely happened for me, too, a few times, and covering the secondary barcode occasionally helps. But even covering the secondary barcode in good light, it will not focus or scan most of the time. I've even tried prefocusing the camera and then returning to the app, but it doesn't seem to help.

I would be happy to go to some extra effort to send debug data if there's any info that would be helpful. I know it's awful trying to debug transient issues in production!

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Nadia
Oct 10, 2024

sassmistress Thank you for this note!

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hesskareads
Aug 4, 2024

I noticed when using it is the scanner doesn't give you enough time to position the barcode in the middle of the frame before snapping the picture and giving the result - sometimes this means it's missed part of the barcode or misread it. So not just about focusing but it's too quick to scan. I'm on an iPhone 15

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sassmistress
May 16, 2024

Just to provide more information, on my Android 12 the barcode scanner has not been focusing at all for weeks. I haven't been able to scan anything except for one fluke I haven't been able to replicate.

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tantealex
Mar 4, 2024

It would be nice to have the possibility to switch the flashlight on, which is not possible right now on my iphone. I expect that the scanning works better with the light on.

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Nadia
Mar 5, 2024

tantealex So far, I've only seen the configuration to force the light to go on when scanning, which I'm not sure everyone will want?

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mikebond
Jan 15, 2024

I'm experiencing the same issue on Android 12 (tablet) and 13 (Motorola Edge 30 Ultra).
Out of all the barcodes I tried to scan, I think I only got one result, maybe two, but both wrong. No barcode was identified for all the other books.
I was wondering if the scan reader only recognises UK/US barcodes. I tried to scan books from Italy and a few more European countries, in other languages than English.

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Nadia
Jan 16, 2024

mikebond It recognises barcodes worldwide — we have people all over Europe successfully using the feature — but it does have an issue with some shapes/styles.

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Nadia
Jan 12, 2024
Set the status to
Up Next
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Nadia
Jan 12, 2024

For some cameras/barcode-style combinations it seems to have a higher rate of false positives. I'll be addressing this in the coming months.

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ttwyman
Jan 15, 2024

Nadia mine seems to be working not of the time now, there's the occasional time it stays blurry, but coming out of it and then selecting the scanner again seems to work

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Nadia
Jan 16, 2024

ttwyman Okay, good to know. I still want to make it so that it works first time all of the time!

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creosote
Jan 10, 2024

I'm on Android 14 and I have the same issue! I've already tried deleting and reinstalling the app in case I was missing a newer version, but no luck so far

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Nadia
Jan 16, 2024

creosote Will be working on this soon!

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