选中文本字段、文本视图和图像视图以在swift中激活该按钮

import UIKit

let button = UIButton(type: .system)
button.setTitle("激活", for: .normal)
button.backgroundColor = .blue
button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 16)

button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)

@objc func buttonTapped() {
    // 在这里编写按钮点击后的操作
}

let textField = UITextField(frame: CGRect(x: 50, y: 100, width: 200, height: 30))
let textView = UITextView(frame: CGRect(x: 50, y: 150, width: 200, height: 100))
let imageView = UIImageView(frame: CGRect(x: 50, y: 300, width: 200, height: 200))

view.addSubview(textField)
view.addSubview(textView)
view.addSubview(imageView)

@objc func buttonTapped() {
    let textFieldText = textField.text ?? ""
    let textViewText = textView.text ?? ""
    let image = imageView.image
    
    // 在这里使用获取到的文本和图像执行相应的操作
}