– (void)viewDidLoad { [self registerForPreviewingWithDelegate:self sourceView:MyView]; }   #pragma mark UIViewControllerPreviewingDelegate   – (UIViewController*)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)location { UIView *ViewTouch = previewingContext.sourceView; UIViewController *ViewNew = [self.storyboard instantiateViewControllerWithIdentifier:@”demo1″]; return ViewNew; } – (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommit { [self.navigationController pushViewController:viewControllerToCommit animated:YES]; }  

LAContext *context = [[LAContext alloc] init]; NSError *error = nil; if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) { [context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@”Login with Touch ID” reply:^(BOOL success, NSError *error) { if (error) { UIAlertView *Alert = [[UIAlertView alloc] initWithTitle:@”Login” message:@”Login Fail” delegate:self cancelButtonTitle:@”Close” otherButtonTitles:nil, nil]; [Alert show];                                  } if …

Make Extension of UITabBarController extension UITabBarController {          func setBadges(badgeValues: [Int]) {                  for view in self.tabBar.subviews {             if view is CustomTabBadge {                 view.removeFromSuperview()             }         }                  for index in 0…badgeValues.count-1 {             if badgeValues[index] …

To overcome this issue while creating an app on Firebase select proper bundle identifier, if you are using com.inheritx.pushnotification for creating apple push notification certificate than writing com.inheritx.pushnotification while configuring an application on Firebase bundle identifier.

extension UILabel { func fitFontForSize(var minFontSize : CGFloat = 15.0, var maxFontSize : CGFloat = 300.0, accuracy : CGFloat = 1.0) { assert(maxFontSize > minFontSize) layoutIfNeeded() // Can be removed at your own discretion let constrainedSize = bounds.size while maxFontSize – minFontSize > accuracy { …

set keyboard type to UIKeyboardTypeASCIICapable (txtField.keyboardType=UIKeyboardTypeASCIICapable;) you can find swift code from below link – (BOOL)stringContainsEmoji:(NSString *)string { __block BOOL returnValue = NO; [string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock: ^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) { const unichar hs = [substring characterAtIndex:0]; // …

Never Forget to define your REVERSED_CLIENT_ID (provided in GoogleService info.plist file) to your project target ->Info->URLschema . //Add your APNS certificate in the application created in Firebase. func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {         let settings = UIUserNotificationSettings(types: …

// Methods to get string from date public func setStringfromDate(date : Date, dateFormate : String, timezone : TimeZone) -> String {     let dateFormatter = DateFormatter()     dateFormatter.timeZone = timezone     dateFormatter.dateFormat = dateFormate     return dateFormatter.string(from: date) } // MARK: –  String to Date …