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Bar Code Scanner

Nov 15, 2023

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Barcode scanners are used almost everywhere and as a result, we often need to implement them in our applications.

Welcome to this comprehensive tutorial on how to build a QR code and Barcode scanner app in Android Studio using Kotlin in Jetpack Compose

First of all, we need to add a barcode scanner dependency in the build.Gradle(: app) file and below are the files
1. mlkit:barcode-scanning
2. gms:play-services-code-scanner
3. gms:play-services-vision

Dependencies

Then create a function { You Function Name }

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Inside the Function, You need to pass Context through params and create two variables for barcodeDetector, camera source

Using barcodeDetector we can setProcessor to receive Data

Recieve Data

Now Let's create the UI

Now the Complete Code

That’s it now your barcode scanner or QR code scanner is ready for the scan.

Thank you Happy Coding!

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Sudarshan D Prasad
Sudarshan D Prasad

Written by Sudarshan D Prasad

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