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I have an app that start with scanning a qr code.

After scanning if I use the camera to take picture and then go back to the scanning view the scanning does not work.

I dont know the reason, issue is only in IOS7 devices, both iPad and iPhone.

I tried to setSymbology and called [readerView start], but it didn't work.

Please help.

lucuma
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oopsi
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1 Answers1

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I've found that IOS7 change the video mode for AVCaptureSession after you take a photo. Use this code before you call [readerView start].

if([readerView.session canSetSessionPreset: AVCaptureSessionPreset640x480])
    readerView.session.sessionPreset = AVCaptureSessionPreset640x480;
Anatoliy Basov
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