How to detect first time app launch on an iPhone

by 
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    if (![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"])
    {
        [[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"HasLaunchedOnce"];
        [[NSUserDefaults standardUserDefaults] synchronize];
    }
    return YES;
}

More Related Contents:

  1. How to get the indexpath.row when an element is activated?
  2. Detect if the device is iPhone X
  3. Pass data through segue
  4. Changing Tint / Background color of UITabBar
  5. Always pass weak reference of self into block in ARC?
  6. Programmatically align a toolbar on top of the iPhone keyboard
  7. Using SSL in an iPhone App – Export Compliance
  8. Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
  9. Can I load a UIImage from a URL?
  10. iOS: Multi-line UILabel in Auto Layout
  11. Make a phone call programmatically
  12. How to detect when a UIScrollView has finished scrolling
  13. Display html text in uitextview
  14. Passing parameters to addTarget:action:forControlEvents
  15. Is there a way to make drawRect work right NOW?
  16. How to crop UIImage on oval shape or circle shape?
  17. kCFStreamErrorDomainSSL, -9802 when connecting to a server by IP address through HTTPS in iOS 9
  18. iOS 6 Facebook posting procedure ends up with “remote_app_id does not match stored id”
  19. How to draw a “speech bubble” on an iPhone?
  20. How to detect Apps first launch in iOS?
  21. detecting if iPhone is in a dark room
  22. How can I show alertview with activity indicator?
  23. How to set the full width of separator in UITableView
  24. “Your binary is not optimized for iPhone 5” (ITMS-90096) when submitting
  25. Open PDF file using swift
  26. CABasicAnimation resets to initial value after animation completes
  27. How to remove border of the navigationBar in swift?
  28. How to use NSUnderlineStyle.PatternDot
  29. Core Bluetooth advertise and scan in the background
  30. How can I do programmatically gradient border color UIButton with Swift [closed]

Leave a Comment