kgleong

import GoogleSignIn

class AppDelegate: UIResponder, UIApplicationDelegate {
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        GIDSignIn.sharedInstance()?.clientID = "769307225775-llbr5f6avrd35u7rpto9p700p2g900qr.apps.googleusercontent.com"
        return true
    }
}

kgleong

extension MyViewController: UIViewControllerAnimatedTransitioning {
    func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
        return 2.0
    }
    
    func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
        // Retrieve the view controllers participating in the current transition from the context.
        let fromView = transitionContext.viewController(forKey: .from)!.view!
        let toView = transitionContext.viewController(forKey: .to)!.view!

kgleong

extension MyViewController:  UIViewControllerTransitioningDelegate {
    func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        return self
    }
    
    func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
        return self
    }
}

kgleong

class MyViewController: UIViewController {
    let button = UIButton()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        button.addTarget(self, action: #selector(onButtonTap), for: .touchUpInside)
        // ...
    }

    @objc private func onButtonTap() {

kgleong

class DrawerViewController: UIViewController {
    var button = UIButton()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        button.addTarget(self, action: #selector(onButtonTap), for: .touchUpInside)
        // ...
     }
    
    @objc private func onButtonTap() {

kgleong

Foo Title

Foo Title 4

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Foo Title 2

Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, to

kgleong

OSStatus
SecItemUpdate(CFDictionaryRef query, CFDictionaryRef attributesToUpdate)
{
    ...
	OSStatus status_osx = errSecItemNotFound, status_ios = errSecItemNotFound;
	bool can_target_ios, can_target_osx;
	OSStatus status = SecItemCategorizeQuery(query, can_target_ios, can_target_osx);
    ...

kgleong

- (void)test_migrateObjectsMatchingQueryRemoveOnCompletion_withNSDataAsAccount_doesNotRaiseException;
{
    NSString *identifier = @"my_identifier";
    NSData *dataBlob = [@"foo" dataUsingEncoding:NSUTF8StringEncoding];

    // kSecAttrAccount entry is expected to be a CFString, but a CFDataRef can also be stored as a value.
    NSDictionary *keychainData = @{ 
        (__bridge id)kSecAttrService : identifier, 
        (__bridge id)kSecClass : (__bridge id)kSecClassGenericPassword, 

kgleong

/** Create a Data object **/
let dataBlob = "foo".data(using: .utf8)

let existingEntryData: [String: Any] = [
    kSecAttrService as String!: Bundle.main.bundleIdentifier as Any,
    // Use Data object for kSecAttrAccount, which expects a String
    kSecAttrAccount as String!: dataBlob as Any, 
    kSecClass as String!: kSecClassGenericPassword as Any,
    kSecValueData as String!: dataBlob as Any

kgleong

...
// Sanity check that we are capable of migrating the data.
NSMutableSet *const keysToMigrate = [NSMutableSet new];

for (NSDictionary *const keychainEntry in queryResultWithData) {
    NSString *const key = keychainEntry[(__bridge id)kSecAttrAccount];
    if ([key isEqualToString:VALCanAccessKeychainCanaryKey]) /** ERROR OCCURS HERE **/ {
        // We don't care about this key. Move along.
 continue;