ASEditableTextNode secureTextEntry Example

TextSecureEntryViewController.swift

import UIKit
import AsyncDisplayKit

class TextSecureEntryViewController: UIViewController {
  
  // MARK: Properties
  
  private let editableTextNode: ASEditableTextNode
  
  // MARK: Lifecycle
  
  required init() {
    self.editableTextNode = ASEditableTextNode()
    super.init(nibName: nil, bundle: nil)
  }
  
  required init(coder aDecoder: NSCoder) {
    fatalError("storyboards are incompatible with truth and beauty")
  }
  
  // MARK: UIViewController
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    self.view.backgroundColor = UIColor.darkGrayColor()
    
    self.editableTextNode.attributedPlaceholderText = NSAttributedString(string: "Password")
    self.editableTextNode.textView.secureTextEntry = true
    self.editableTextNode.backgroundColor = UIColor.whiteColor()
    self.editableTextNode.cornerRadius = 4
    self.view.addSubview(self.editableTextNode.view)
  }
  
  override func viewWillLayoutSubviews() {
    super.viewWillLayoutSubviews()
    
    self.editableTextNode.measure(self.view.frame.size)
    self.editableTextNode.frame = CGRectMake(
      ((self.view.bounds.size.width - 150) / 2),
      (self.view.bounds.size.height - self.editableTextNode.calculatedSize.height) / 2,
      150,
      self.editableTextNode.calculatedSize.height)
  }
  
  override func preferredStatusBarStyle() -> UIStatusBarStyle {
    return UIStatusBarStyle.LightContent
  }
  
  override func supportedInterfaceOrientations() -> UIInterfaceOrientationMask {
    return UIInterfaceOrientationMask.Portrait
  }
}