1. Simple design, it can be used immediately after installation, and it will automatically close after scanning the QR-Code, which does not occupy mobile phone resources.
2. Multi-purpose, provide settings to support scanning other barcode formats (Code128, Code39, Code93, Codabar, DataMatrix, EAN-13, EAN-8, ITF, UPC-A, UPC-E, QR-Code, AZTEC, PDF417)
3. You can add a shortcut to the drop-down notification center for quick start.
4. The source code of this App is open, so you don’t have to worry about any security concerns. The link is as follows:
https://github.com/tonynowater87/QR-code-scanner-for-tw-covid19