9 Notes in October 2019

1. Command-phasescriptexecution-failed-with-a-nonzero-exit-code

Go to keychain access -> right-click on login -> lock & unlock again -> clear Xcode project and make build again.
https://stackoverflow.com/a/53383349/8366535

2. Dismiss and forced portrait

// MARK: Change to portrait
UIDevice.current.setValue(Int(UIInterfaceOrientation.portrait.rawValue), forKey: "orientation")

// Mark: Always set portrait
(UIApplication.shared.delegate as! AppDelegate).restrictRotation = .portrait

// Dismiss navigation
dismiss()

3. Multi contact number in one contact name

import UIKit
import ContactsUI

class ContactPropertyViewController: UIViewController {

    @IBOutlet weak var contactLabel: UILabel!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        title = "Multi Choice Contact"
        self.contactLabel.text = "Contact number:"

    }
    
    @IBAction func handleContact(_ sender: UIButton) {
        let contacVC = CNContactPickerViewController()
        contacVC.delegate = self
        contacVC.displayedPropertyKeys = [CNContactGivenNameKey, CNContactPhoneNumbersKey]
        self.present(contacVC, animated: true, completion: nil)
    }

}

extension ContactPropertyViewController: CNContactPickerDelegate {
    // MARK: Delegate method CNContectPickerDelegate for select more than 1 phone number in one contact name
    func contactPicker(_ picker: CNContactPickerViewController, didSelect contactProperty: CNContactProperty) {
        if let phoneNo = contactProperty.value as? CNPhoneNumber{
            print(phoneNo.stringValue)
            self.contactLabel.text = " Contact No: \(phoneNo.stringValue)"
        }else{
            print("empty")
        }
        
    }
    
    func contactPickerDidCancel(_ picker: CNContactPickerViewController) {
        self.dismiss(animated: true, completion: nil)
    }
}

4. Non-Active dark mode (IOS 13) in your app use "info.plist"

Set info.plist -> source code

<plist version="1.0">
<dict>
 <key>UIUserInterfaceStyle</key>
 <string>Light</string>
</dict>
</plist>

Set info.plist -> property




5. Tuple and table view

import UIKit

class TupleDidDeselectViewController: UIViewController {

    @IBOutlet weak var tableView: UITableView!
    var inventory: [(String, Int)] = [("yesterday", 4), ("belive", 2), ("one", 10)]
    var idArr = [Int]()
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cellID")
        self.tableView.rowHeight = UITableView.automaticDimension
    }

}

extension TupleDidDeselectViewController: UITableViewDataSource, UITableViewDelegate {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return inventory.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cellID", for: indexPath)
        cell.textLabel?.text = inventory[indexPath.row].0
        cell.accessoryType = .none
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        print(indexPath.row)
        let cell = tableView.cellForRow(at: indexPath)
        cell?.accessoryType = .checkmark
        
        idArr.append(inventory[indexPath.row].1)
        print(idArr)
    }
    
    func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) {
        print(indexPath.row)
        let cell = tableView.cellForRow(at: indexPath)
        cell?.accessoryType = .none
        
        
        if let index = idArr.index(of: inventory[indexPath.row].1) {
            idArr.remove(at: index)
            print(idArr)
        }
        
        if let index = idArr.index(of: inventory[indexPath.row].1) {
            print(index)
        }
    }
}

6. Animation transition

 //MARK: Animation transision
    func animateTransisionView() {
        UIView.transition(with: view, duration: 0.4, options: .curveEaseInOut, animations: {
            self.itemStackView.isHidden = false
            self.goBotton.isHidden = false
        })
    }

7. Glow View

    func glowView(active vw_active: UIView, none vw_none: UIView) {
        //MARK: active
        vw_active.clipsToBounds = false
        vw_active.layer.shadowColor = UIColor.darkGray.cgColor
        vw_active.layer.shadowOffset = .zero
        vw_active.layer.shadowOpacity = 0.9
        vw_active.layer.shadowRadius = 5
        vw_active.layer.shadowPath = UIBezierPath(roundedRect: vw_active.bounds, cornerRadius: 14).cgPath
        
        //MARK: none active
        vw_none.layer.shadowRadius = 0
        vw_none.layer.shadowColor = UIColor.clear.cgColor
        
    }

8. UISegmenControl change text color

 UISegmentedControl.appearance().setTitleTextAttributes(
[NSAttributedString.Key.foregroundColor: UIColor.darkGray], for: .normal)

9. Detect Dark Mode

  if traitCollection.userInterfaceStyle == .light {
      print("Light mode")
   } else {
      print("Dark mode")
   }

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