A Facebook messenger like custom QR code with lots of customization

pod 'RoundCode'

https://github.com/aslanyanhaik/RoundCode

import RoundCode

let image = RCImage(message: "Hello World")
let coder = RCCoder()
do {
  imageView.image = try coder.encode(image)
} catch {
  //handle errors
}

let coder = RCCoder()
let isValidText = coder.validate("Hello world")

class ViewController: UIViewController, RCCameraViewControllerDelegate {
  
  func scan() {
    let cameraController = RCCameraViewController()
    cameraController.delegate = self
    present(cameraController, animated: true)
  }
  
  func cameraViewController(didFinishScanning message: String) {
    messageLabel.text = message
  }
}

let coder = RCCoder()
  do {
    messageLabel.text = try coder.decode(UIImage(named: code)!)
  } catch {
    //handle errors
  }

var image = RCImage(message: "Hello world")
image.contentInsets = UIEdgeInsets(top: 8, left: 10, bottom: 4, right: 10)
image.attachmentImage = UIImage(named: "Profile")
image.size = 300
image.gradientType = .linear(angle: CGFloat.pi)
image.tintColors = [.red, .black]

let configuration = RCCoderConfiguration.shortConfiguration
let coder = RCCoder(configuration: configuration)

let configuration = RCCoderConfiguration(characters: " -abcdefghijklmnopqrstuvwxyz0123456789")
let coder = RCCoder(configuration: configuration)

let configuration = RCCoderConfiguration(characters: " -abcdefghijklmnopqrstuvwxyz0123456789")
let coder = RCCoder(configuration: configuration)
let camera = RCCameraViewController()
camera.coder = coder