I am working on a QR code scanner using ZXing and was wondering if there was a way to change the color outline of the frame after a successful scan, much like the Scan App in the appstore does. Thanks.
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I am working on a QR code scanner using ZXing and was wondering if there was a way to change the color outline of the frame after a successful scan, much like the Scan App in the appstore does. Thanks.
Sure, it’s possible, but it takes customization/effort. The color is hard coded in
OverlayView.m. You’d need to make it not hardcoded and then tell the overlay view to redraw itself at the appropriate times.Alternatively/FWIW, what I do is “flash” the screen: I add a full screen white view and then fade it away, a bit like the flash on a camera. That doesn’t require any interaction with the lower level code and, personally, I like the effect better, at least in my context.