title: How to make picker view to display from a particular row in swift 3?
body: <p>How to make picker view to display from default country but it is displaying from first but I need it from default country that is <code>united states</code> but here it is showing from first country but I need it to display from United States can anyone help me how to implement this ?</p>
  
  <p>here are the images shown below here picker view displaying from first country but I need it to display from United States because it is my default selected country</p>
  
  <p><a href="https://i.stack.imgur.com/rC4n0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rC4n0.png" alt="enter image description here"></a><a href="https://i.stack.imgur.com/LVC7R.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LVC7R.png" alt="enter image description here"></a></p>
  
  <pre><code>func countryListDownloadJsonwithURL(countryAPI: String) {
          let url = NSURL(string: countryAPI)
          URLSession.shared.dataTask(with: (url as URL?)!, completionHandler: {(data, response, error) -&gt; Void in
              if let jsonObj = try? JSONSerialization.jsonObject(with: data!, options: .allowFragments) as? [[String:Any]] {
                  for item in jsonObj! {
                      let dict = Country(dict: item)
                      self.countryArray.append(dict)
                  }
                  print(self.countryArray)
                  OperationQueue.main.addOperation({
                       self.countryPickerView.selectRow(self.i, inComponent: 0, animated: true)
                       self.countryPickerView.reloadAllComponents()
                       self.statePickerView.reloadAllComponents()
                  })
              }
          }).resume()
      }  
  
  
      func numberOfComponents(in pickerView: UIPickerView) -&gt; Int{
          if pickerView.tag == 1 {
              return 1
          }else {
              return 1
          }
      }
  
  
      func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -&gt; Int{
          if pickerView.tag == 1 {
              return countryArray.count
          }
          else {
              return countryArray[countrySelectedIndex!].state.count
          }
      }
      func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -&gt; String? {
          if pickerView.tag == 1 {
              return countryArray[row].country
          }
          else {
              return countryArray[countrySelectedIndex!].state[row].state
          }
      }
      func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
          if pickerView.tag == 1 {
              countryTextField.text = countryArray[row].country
              for item in countryArray {
                  print(item.country)
                  print(countryArray[row].country)
                  if item.country == countryArray[row].country {
                      self.countryId = item.countryId
                      if item.state.count == 0 {
                          self.stateTextfield.isHidden = false
                          self.stateLabel.isHidden = true
                          self.selectedCountryTextField.isHidden = true
                          self.imageArrow.isHidden = true
                          break
                      }
                      else {
                          if let i = countryArray.index(where: { $0.country == countryArray[row].country }) {
                              countrySelectedIndex = i
                          }
                          self.countryId = item.countryId
                          if self.countryId?.isEmpty == true {
                              self.countryId = countryTextField.text
                          }
                          UserDefaults.standard.set(self.countryId, forKey: "guestCountryId")
                          self.statePickerView.delegate = self
                          self.statePickerView.dataSource = self
                          selectedCountryTextField.inputView = statePickerView
                          self.statePickerView.reloadAllComponents()
                          selectedCountryTextField.text = "Select state/province"
                          self.stateLabel.isHidden = false
                          self.stateTextfield.isHidden = true
                          self.selectedCountryTextField.isHidden = false
                          self.imageArrow.isHidden = false
                          break
                      }
                  }
                  else {
                      self.stateTextfield.isHidden = false
                      self.stateLabel.isHidden = true
                      self.selectedCountryTextField.isHidden = true
                      self.imageArrow.isHidden = true
                  }
              }
          }
          else {
              self.selectedCountryTextField.text = countryArray[countrySelectedIndex!].state[row].state
              self.stateCode = countryArray[countrySelectedIndex!].state[row].stateValue as! Int
              print(self.stateCode)
              UserDefaults.standard.set(self.stateCode, forKey: "statecode")
          }
      }
  </code></pre>