Question

我正在使用swift 3.0中的一个项目，我有UIViewController来填充几个文本字段。因此，我使用表格视图作为下拉菜单，一旦选择了一行，它将被分配给UILabel。此外，我添加了一个UITapGuestureRecognizer方法，以确保在点击屏幕后隐藏键盘。不幸的是，由于这种方法，我的didSelectRow无法正常工作，实际上一旦点击一行，该名称将不会被分配给UILable。但是，当我消除UITapGusture方法时，它工作正常。我怎样才能解决这个问题并让这个工作？代码如下所示。

import UIKit
import CoreData

class AddRecurringExpensesViewController: UIViewController,UITableViewDelegate, UITableViewDataSource {

@IBOutlet weak var selectCategoryLabel: UILabel!

@IBOutlet weak var expenseNameTextField: UITextField!
@IBOutlet weak var amountTextField: UITextField!
@IBOutlet weak var toTextField: UITextField!
@IBOutlet weak var fromTextField: UITextField!

@IBOutlet weak var recurringexpenseTypeTableView: UITableView!

@IBOutlet weak var fromDatePicker: UIDatePicker!
@IBOutlet weak var fromDatePickerView: UIView!

@IBOutlet weak var toDatePickerView: UIView!
@IBOutlet weak var toDatePicker: UIDatePicker!





  var selectCategoryArray = ["Entertainment", "Food", "Membership", "Misc", "Purchase", "Subscription", "Transport", "Utility", "Other"]


 override func viewDidLoad() {
 super.viewDidLoad()
 self.fromDatePickerView.isHidden = true
 self.toDatePickerView.isHidden = true
 self.recurringexpenseTypeTableView.isHidden = true

 let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(AddRecurringExpensesViewController.dismissKeyboard))
view.addGestureRecognizer(tap)

  }
  func dismissKeyboard() {

  view.endEditing(true)
  }
  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
   return selectCategoryArray.count
  }

  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
  let cell = UITableViewCell ()

  cell.textLabel?.text = selectCategoryArray[indexPath.row]
  return cell
  }


  func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {


  self.selectCategoryLabel.text = selectCategoryArray[indexPath.row]

  print("selected row is \(selectCategoryLabel.text)")


  self.recurringexpenseTypeTableView.isHidden = true
  }
  @IBAction func selectCategoryButtonPressed(_ sender: AnyObject) {
   self.recurringexpenseTypeTableView.isHidden = false
  }

  @IBAction func fromDateButtonPressed(_ sender: AnyObject) {

  self.fromDatePickerView.isHidden = false
  }

  @IBAction func fromDateAddedButtonPressed(_ sender: AnyObject) {
  let dateFormatter = DateFormatter()
  dateFormatter.dateFormat = "dd MMM yyyy"
  fromTextField.text = dateFormatter.string(from:fromDatePicker.date)
  self.fromDatePickerView.isHidden = true
  }

  @IBAction func toDateButtonPressed(_ sender: AnyObject) {
  self.toDatePickerView.isHidden = false
  }

 @IBAction func toDateAddedButtonPressed(_ sender: AnyObject) {
 let dateFormatter = DateFormatter ()
 dateFormatter.dateFormat = "dd MMM yyyy"
 toTextField.text = dateFormatter.string(from: toDatePicker.date)
 self.toDatePickerView.isHidden = true
 }

由于tapGestureRecognizer，DidSelectRow方法被禁用

0 个答案: