ProviderDelegate

ProviderDelegate.swift

import AVFoundation
import CallKit

class ProviderDelegate: NSObject {
  // 1.
  fileprivate let callController = CXCallController()
  fileprivate let provider: CXProvider

  init(callManager: CallManager) {
    // 2.
    provider = CXProvider(configuration: type(of: self).providerConfiguration)

    super.init()
    // 3.
    provider.setDelegate(self, queue: nil)
  }

  // 4.
  static var providerConfiguration: CXProviderConfiguration {
    let providerConfiguration = CXProviderConfiguration(localizedName: "ZEGOCall")

    providerConfiguration.supportsVideo = true
    providerConfiguration.maximumCallsPerCallGroup = 1
    providerConfiguration.supportedHandleTypes = [.generic]
    if let iconMaskImage = UIImage(named: "IconMask") {
        providerConfiguration.iconTemplateImageData =  iconMaskImage.pngData()
   }
   roviderConfiguration.ringtoneSound = "Ringtone.caf"
    return providerConfiguration
  }
}