#52 愛我，不愛我的摘花瓣 App

先在 playground 練習 toggle( ) 的結果

完整程式碼

import UIKit
import AVFoundation
class ViewController: UIViewController {
@IBOutlet weak var flowerButton: UIButton!
@IBOutlet weak var loveLabel: UILabel!
@IBOutlet weak var again: UIButton!
var number = Int.random(in: 5...14)
var isLove = true
override func viewDidLoad() {
super.viewDidLoad()
loveLabel.text = "他到底愛不愛我呢？"
}
@IBAction func pickPetals(_ sender: UIButton) {
let synthesizer = AVSpeechSynthesizer()
if isLove {
loveLabel.text = "愛我"
let speak = AVSpeechUtterance(string: loveLabel.text!)
speak.voice = AVSpeechSynthesisVoice(language: "zh-TW")
speak.pitchMultiplier = 1     //調整音調0.5~2.0
speak.rate = 0.5     //調整速度0~1
speak.volume = 0.5     //調整音量0~1
synthesizer.speak(speak)
} else {
loveLabel.text = "不愛我"
let speak = AVSpeechUtterance(string: loveLabel.text!)
speak.voice = AVSpeechSynthesisVoice(language: "zh-TW")
speak.pitchMultiplier = 1     //調整音調0.5~2.0
speak.rate = 0.5     //調整速度0~1
speak.volume = 0.5     //調整音量0~1
synthesizer.speak(speak)
}
if number > 0 {
isLove.toggle()
} else {
flowerButton.isHidden = true
}
number -= 1
}
@IBAction func again(_ sender: UIButton) {
number = Int.random(in: 5...20)
flowerButton.isHidden = false
loveLabel.text = "他到底愛不愛我呢？"
}
}

Github

Timmy-LUO/doYouLoveMe

參考文章

#45 愛我，不愛我的摘花瓣 App

將內容真變假，假變真的 toggle function — Swift 4.2

#54 愛我，不愛我的摘花瓣 App