ios callkitmanger usage in swift

1. Add below line in the head

   import CallKit
   let extensionIdentifier:String = "Your extension identifier"
   

2. To check the enable status of extension

   func checkEnableStatus() {
      let globalQueue = DispatchQueue.global()
      globalQueue.async {
          self.callmanager.getEnabledStatusForExtension(withIdentifier: extensionIdentifier, completionHandler: {(enablestatus: CXCallDirectoryManager.EnabledStatus, error:Error?) in
              if error == nil {
                  switch enablestatus {
                  case .disabled:
                      self.enableStatus = false
                  case .enabled:
                      self.enableStatus = true
                  case .unknown:
                      self.enableStatus = false
                  }
                  self.delegate?.didUpdateEnableStatus(status: self.enableStatus)
              }
          })
      }
   }
   

3. To reload phone data of extension

   func reloadData() {
      let globalQueue = DispatchQueue.global()
      globalQueue.async {
          self.callmanager.reloadExtension(withIdentifier: extensionIdentifier, completionHandler: {(error:Error?) in
              var status:Bool = false
              if error == nil {
                  status = true
                  print ("load phone number data successful.")
              } else {
                  print ("error when reload phone data.")
   //                    print (error?.localizedDescription)
              }
              self.delegate?.didReloadPhoneData(status: status)
          })
   
      }
   }
   

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