[Update] Mixin Messenger supports to scan the QR code via Photos
Mixin Messenger supports to scan the QR code by camera, long-press, and Photos.
By camera scanning
1. Please press the white circle at the bottom of chatting page to open the camera
2. Put the camera above the QR code to recognize, press the result on the top
3. Press the menu to add contact or join group
Long press to recognize the QR code
When people send you a QR code via message on Mixin, please press the picture to zoom in then long press it, you will get a menu, tap Scan QR code to recognize.