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avfoundation qr code

avfoundation qr code

使用 AVFoundation 實現 QRCode 掃描 note : only available after ios7 AVCaptureMetadataOutput 在 ios7 擴充了能夠辨識一維條碼和二維條碼的功能 而目前 zxing 似乎也還不支援 arm64 的架構 因此若 app 只打算支援 ios7 以上的話 可以考慮使用此方式實作 QRCode

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