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Building a QR Code/Barcode Scanner App with React Native and Vision Camera

Ajmal Hasan on November 27, 2023

Introduction: Barcode scanners are essential tools in various applications, from inventory management to mobile shopping. In this blog, we'll explo...
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Jeremias

Nice tutorial! The Vision Camera approach is great for getting started with barcode scanning in React Native.

One heads-up for developers: while this works well for basic QR codes and EAN/UPC barcodes, Vision Camera can struggle with denser formats like Code 128 or PDF417, especially in challenging conditions (low light, blurry images, damaged codes).

For those building production apps that need more robust scanning capabilities, you might want to consider a commercial solution, like Scanbot SDK (disclosure: I'm part of their team). These come with support during integration and ready-to-use scanning interfaces and features like multi-scanning or AR overlays.

Here's a quick step-by-step integration guide.

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Kevin Zhang

Hello. Thanks for your detailed explanation. But I have got a issue while trying with 'react-native-vision-camera' module.
Please help me.

Could not determine the dependencies of task ':react-native-vision-camera:compileDebugAidl'.

Could not resolve all task dependencies for configuration ':react-native-vision-camera:debugCompileClasspath'.
Could not find any matches for com.facebook.react:react-android:+ as no versions of com.facebook.react:react-android are available.
Required by:
project :react-native-vision-camera

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Shivanee ugale

how to show invalid qr code