刚刚更新到Swift 3和xCode 8 Beta 4.
修复所有代码问题后,我现在有一个无错误的项目,但是当我点击我的前屏幕上的一个特定按钮时,它会抛出SIGABRT错误.
我确信它与目标页面上的UIPickerView元素有关,因为我已经删除,检查并重新添加了所有的segue和outlet以确保从那一方清楚一切.
控制台显示以下内容:
2016-08-02 18:59:46.607 ForceIt![38735:2895259] - [ForceIt_.DirectoryViewController numberOfComponentsInPickerView:]:无法识别的选择器发送到实例0x7fcd68c0c210 2016-08-02 18:59:46.618 ForceIt![38735:2895259]***由于未捕获的异常'NSInvalidArgumentException'终止应用程序,原因:' - [ForceIt_.DirectoryViewController numberOfComponentsInPickerView:]:无法识别的选择器发送到实例0x7fcd68c0c210'
相关viewcontroller的代码如下:
import UIKit
var forceSelectedForTabView = String()
var forceSelectedPositionInArray = Int()
class DirectoryViewController: UIViewController, UIPickerViewDelegate {
@IBOutlet weak var forcePicker: UIPickerView!
@IBOutlet weak var selectedContactLabel: UILabel!
@IBOutlet weak var selectedPhoneTextView: UILabel!
@IBOutlet weak var selectedWebsiteTextView: UILabel!
//function for the number of columns in the picker
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 1
}
//function counting the array to …