![]() Heres how it works: Force Close Camera App on iPhone SE, iPhone 8, or. So, in case the iPhone wont scan QR code, then you must try fixing this issue by force closing the Camera app. As QR Code Scan feature uses the Camera application in your iOS device to scan the QR code. So currently me Image Analyzer builder looks like this, and it works just fine private val analyzerUseCase = ImageAnalysis. Solution 3: Force Close Camera App When iPhone Not Scanning QR Code. Ideally, a QR code should have a size-to-scan ratio of 1/10. The size-to-scan ratio is an effective way to determine the right size for your QR code. T he minimum size should be 2×2 cm (0.8×0.8 in). If your QR code is too small, it may not scan properly. Select the rear-facing camera in Photo or Camera mode. I tried other, smaller resolutions as well, tried on different high and low end devices with good and bad cameras, and came to this resolution, which seems to perform the best. Possible causes for QR code scan problems Small QR code size. So just changing this default 640x480 to 1920x1440 immediately solved the issue, and the QR code without borders started to be scanned immediately and with very good performance. And it's also OK for normal QR codes, but for problematic QRs like this it seems to mess thing up, so ML kit needs a higher resolution images for processing. I have confirmed that the QR code scanner is not available in camera settings, however should definitely be seen in Samsung Internet. ![]() ![]() So while building the image analyzer, there is a configuration function to set Target Resolution Size resolution), which if not set explicitly is defaulting to 640x480, which is probably ok for general use cases related to image analyzer (otherwise I wonder why Google should pick this resolution as a default). 1 Solution SamsungJon Moderator Options 05-14-2021 09:43 AM in Galaxy A Thank you for the screenshots, Condon. If its a website, you can tap the little arrow to open it up automatically. Get close and point the camera to the QR code. Open camera Settings and make sure that QR scanning is enabled. If the issue persists, launch the Play Store app and download a third-party QR code scanner app. I found out that the solution is rather simple and was always there right in front of me. So, heres how you scan a QR code with the latest-and-greatest Galaxy Note 20 phones. Don’t hold your device too close or too far away from the QR code. Well, after spending some time on trying to solve this problem with various image processing techniques etc.
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