CIFilter with CIQRCodeGenerator cause crash

2020年5月3日 — 1 Answer 1 ... I figured out how to fix it. The problem was the third-party CocoaDebug ! I remove the pod and I have no more crashes! Thanks!

Generates a quick response (QR) code image. Current page is CIQRCodeGenerator.

Create a CIQRCodeGenerator filter with the input image var qr_code_generator = new CIQRCodeGenerator () Message = NSData.

取得或設定錯誤更正層級。

To generate QR Code in swift, we use Core Image Filter and CIQRCodeGenerator. It generates a plain black and white QR for the given input string. ... A QR code is ...

2022年2月19日 — 输出图像的标准：ISO/IEC 18004:2006标准. inputMessage：二维码的内容. inputCorrectionLevel:二维码的容错率一共可以分为4个级别，默认是M；.

2018年6月18日 — This class work perfectly until iOS 12. Now in line if let filter = CIFilter(name: CIQRCodeGenerator) I always receive nil.

2019年1月2日 — Generating a QR code in iOS. Generating a QR code in iOS is easier than ever since the introduction of the CIQRCodeGenerator Core Image filter.

2021年1月27日 — 本篇原文（標題：Generating beautiful QR code views in iOS using Swift）刊登於作者Medium，由Prafulla Singh 所著，並授權翻譯及轉載。