Scan barcodes on products, or Data Matrix, or Qr codes, containing URLs (website), contacts, etc.
Almost all questions and negative reviews are affected by one of the following. Thank you for saving everyone time by reading this first:
Nobody steals information. The application allows you to share contacts, applications and bookmarks through a QR code. That's why contact permissions are needed.
Turn them all on, then try disabling them one by one to determine which one is needed.
Download Barcode Scanner 4.7.8 APK For Android