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我想展開我的數組,我保存在UserDefaults中。我有2個視圖,在第一個視圖中,我聲明瞭3個主體的數組,然後將其保存在UserDefaults中。在第二個觀點,我可以打印出來,但是當我試圖擴大我陣列與UITextView的新的課題,我得到錯誤信息從UserDefaults擴展數組
線程1:EXC_BAD_INSTRUCTION(代碼= EXC_l386_INVOP,子碼=爲0x0)
什麼時我做錯了?
class ViewController: UIViewController {
@IBOutlet weak var text: UITextView!
var array: [String] = ["Prvni", "Druhy"]
var prvni = ""
override func viewDidLoad() {
super.viewDidLoad()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func zapsat(_ sender: UIButton) {
prvni = text.text!
array.insert(prvni, at: 2)
let defaults = UserDefaults.standard
defaults.setValue(array, forKey: "KEY")
defaults.synchronize()
}
@IBAction func vypsat(_ sender: UIButton) {
if((UserDefaults.standard.array(forKey: "KEY")) != nil){
let historyWords = (UserDefaults.standard.array(forKey: "KEY") as? [String])!
print(historyWords)
}
}
}
和第二的ViewController
class druhy: UIViewController {
var array = [String]()
var druhy = ""
@IBOutlet weak var text: UITextView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func vypsat(_ sender: UIButton) {
if((UserDefaults.standard.array(forKey: "KEY")) != nil){
let historyWords = (UserDefaults.standard.array(forKey: "KEY") as? [String])!
print(historyWords)
}
}
@IBAction func zapsat(_ sender: UIButton) {
druhy = text.text!
if((UserDefaults.standard.array(forKey: "KEY")) != nil){
var array = (UserDefaults.standard.array(forKey: "KEY") as? [String])!
print(array)
}
array.insert(druhy, at: 3)
let defaults = UserDefaults.standard
defaults.setValue(array, forKey: "KEY")
defaults.synchronize()
}
}