所以我有这些文本框,我才意识到它们都具有相同的属性,所以我创建了一个名为“UserInputs”,并从UITextField
扩展新的类,一切工作正常,除了一两件事,UITextFieldDelegate
功能没有按” t的工作,我的意思是当我专注于他们这是行不通的,我想在代码中添加它,因为当你把注意力集中在我的输入字段上时,他们会改变边界,我如何恰当地从子类别UITextField
正确子类UITextField,用于迅速
唯一的问题我有那个功能:
textFieldDidBeginEditing
textFieldDidEndEditing
等都不起作用。
这是我培训班里发生的一切:
import Foundation
import UIKit
class RegistrationViewController: UIViewController, UITextFieldDelegate {
@IBOutlet weak var firstName: UserInputs!
@IBOutlet weak var test: UserInputs!
override func viewDidLoad() {
super.viewDidLoad()
self.firstName.delegate = self
self.test.delegate = self
}
}
这是我子:
class UserInputs: UITextField{
required init(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)!
createBorder()
}
func createBorder(){
let border = CALayer()
let width = CGFloat(2.0)
border.borderColor = UIColor(red: 55/255, green: 78/255, blue: 95/255, alpha: 1.0).CGColor
border.frame = CGRect(x: 0, y: self.frame.size.height-width, width: self.frame.size.width, height: self.frame.size.height)
border.borderWidth = width
self.layer.addSublayer(border)
self.layer.masksToBounds = true
//print("border created")
}
func textFieldDidBeginEditing() {
print("focused")
self.pulseBorderColor()
}
func textFieldDidEndEditing() {
print("lost focus")
self.reversePulseBorderColor()
}
func pulseBorderColor(){
let pulseAnimation = CABasicAnimation(keyPath: "borderColor")
pulseAnimation.duration = 0.35
pulseAnimation.fromValue = UIColor(red: 55/255, green: 78/255, blue: 95/255, alpha: 1.0).CGColor
pulseAnimation.toValue = UIColor(red: 252/255, green: 180/255, blue: 29/255, alpha: 1.0).CGColor
pulseAnimation.fillMode = kCAFillModeForwards
pulseAnimation.removedOnCompletion = false
pulseAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
self.layer.sublayers![0].addAnimation(pulseAnimation,forKey: nil)
}
func reversePulseBorderColor(){
let pulseAnimation = CABasicAnimation(keyPath: "borderColor")
pulseAnimation.duration = 0.35
pulseAnimation.fromValue = UIColor(red: 252/255, green: 180/255, blue: 29/255, alpha: 1.0).CGColor
pulseAnimation.toValue = UIColor(red: 55/255, green: 78/255, blue: 95/255, alpha: 1.0).CGColor
pulseAnimation.fillMode = kCAFillModeForwards
pulseAnimation.removedOnCompletion = false
pulseAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
self.layer.sublayers![0].addAnimation(pulseAnimation,forKey: nil)
}
}
当我没有子类,并在做这里面我主要的代码工作类,但创建子类聚焦功能后停止工作,其他所有工作
主要问题是,我想要实现
func textFieldDidBeginEditing() {
print("focused")
}
func textFieldDidEndEditing() {
print("lost focus")
}
这些在我的文本框,所以我不过来写,一遍又一遍
也许,但它并没有解决问题,当我写的代码有上没有建议:textFieldDid ......但是当我在主类写它给了我建议 – nikagar4
这些委托方法属于在委托而不是在UserInputs类中。 –
它仍然无法正常工作,我将发布主要的课程,以便您可以完全看到我在做什么 – nikagar4