https://github.com/Redth/ZXing.Net.Maui
https://github.com/iaspnetcore/BarcodeScanMAUI
step1 .create .Net MAUI with .net 8.x
step 2.
Android
For Android go to your AndroidManifest.xml file (under the Platforms\Android folder) and add the following permissions inside of the manifest node:
<uses-permission android:name="android.permission.CAMERA" />