Introduction Objective-C is a powerful programming language used to develop applications for Apple’s iOS and Mac OS X operating systems. It is an object-oriented language that allows developers to create complex applications with relative ease. One of the most important aspects of Objective-C is the ability to use a boolean value from one class in … Read more
It works like NSDictionary *fullData = @{ @”title”: @”API Generated”, @”description”: @”This is the description for the form generated by the API”, @”labelPlacement”: @”top_label”, @”button”:@{@”type”: @”text”}, @”confirmations”: @{ @”id”: @0, @”name”: @”Default Confirmation”, @”type”: @”message”, @”message”: @”Thanks for contacting us! We will get in touch with you shortly.”, @”isDefault”: @true, }, @”fields”: @[ @{ @”id”:@1, … Read more
– (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { int num = indexPath.row;//cell.tag; DetailViewController *detailVC = [[DetailViewController alloc] init]; detailVC.number = num; [self.navigationController pushViewController:detailVC animated:YES]; } DetailViewController.h @property (nonatomic, assign) int number; DetailViewController.m @implementation DetailViewController @synthesize number; -(void)viewDidLoad:(BOOL)animated { [super viewDidLoad]; NSLog(@”Number:= %d”,number); } Hope this will help you!! 2 solved How to pass integer from MasterViewController to … Read more
For Saving Username and Password I will personally suggest to use Keychain as they are more safer than NSUserDefault in terms of security since Keychain stores data in encrypted form while NSUserDefault stores as plain text. If you still want to use NSUserDefault Here’s the way FOR SAVING NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; // saving … Read more
You can inherit from RLMObject class and put the NSString into your RLMObject as a property. Then you can make new RLMObject one more time, with a RLMArray of previously made RLMObject now. @interface StringObject: RLMObject @property NSString *stringValue; @end @interface RealmObject: RLMObject @property RLMArray<StringObject> *realmArray @end After this manipulation feel free to use it. … Read more
Seems like you are looking for this func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { // Override point for customization after application launch. FBSDKApplicationDelegate.sharedInstance().application(application, didFinishLaunchingWithOptions: launchOptions) return true } And func application(_ application: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any]) -> Bool { return FBSDKApplicationDelegate.sharedInstance().application(application, open: url, sourceApplication: options[UIApplicationOpenURLOptionsKey.sourceApplication] as! String!, … Read more
Create a date object when the player loses NSDate *stopTime = [NSDate dateWithTimeIntervalSinceNow:0]; and store that date in NSUserDefaults. To check if the user has waited long enough, read the date from NSUserDefaults, and compute the delta between the stop time and the current time. For example, if the user needs to wait 15 minutes, … Read more
for(NSDictionary * dict in ezpoints) { [userPrivacyArray addObject:[dict valueForKey:@”user_privacy”]]; [LattitudeArray addObject:[dict valueForKey:@”latitude”]]; [LongitudeArray addObject:[dict valueForKey:@”longitude”]] } parse the data using valueForKey using key you can identify your json data and stored into NSArray, NSString where you want. here userPrivacyArray,LattitudeArray,LongitudeArray all are array. try this stuff. 3 solved Parse JSON array of objects in Objective C … Read more
NSMutableDictionary *mdictionary = [NSMutableDictionary dictionary]; NSMutableArray *marray = [NSMutableArray array]; [mdictionary setObject:marray forKey:@”key”]; [mdictionary removeObjectForKey:@”key”]; solved Objective C – How to store NSMutableArray inside of NSMutableDictionary
Try This. NSString *strIncomingDate = @”29-Mar-2018 05:58:33″; NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init]; [dateFormat setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@”UTC”]]; [dateFormat setDateFormat:@”dd-MMM-yyyy hh:mm:ss”]; NSDate *date = [dateFormat dateFromString:strIncomingDate]; NSDateFormatter *dateFormat1 = [[NSDateFormatter alloc] init]; [dateFormat1 setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@”UTC”]]; [dateFormat1 setDateFormat:@”yyyy-MM-dd’T’HH:mm:ss’Z'”]; NSString *strDesire = [dateFormat1 stringFromDate:date]; 10 solved Convert time format to UTC format [closed]
Likely it is a memory management issue. Are you abiding by rules set out in the Memory Management Programming Guide? Try: revising the memory management rules, make sure you are not using any objects that you don’t own, make sure you are retaining objects you want to keep (and releasing them appropriately afterwards); running your … Read more
The equivalent Swift code would be as follows. let scrollPoint = CGPoint(x: 0, y: textField.frame.origin.y) scrollView.setContentOffset(scrollPoint, animated: true) There are lots of good resources for learning Swift. The Apple book on Swift is free and quite good. solved Is there a Swift equivalent for this code? [closed]
You need to use pow method of math.h from C-language. antilog = pow(10, number) ; This will give you antilog of number by base10 Side Note: As you are creating a Scientific Calculator and you would be needing Base for the number. EDIT: double number=74.5; double logOfNumber=log10(number); double antilog = pow(10, logOfNumber) ; NSLog(@”%lf”,antilog); Output: … Read more
Look into DSP, (Digital signal processing). This won’t come easy as it does get rather complicated (ever heard of a Fourier transform?). Start by trying to make something react to audio first as you will learn a lot about how to do what you want to do. tl;dr: there is no magic way to do … Read more
A couple of thoughts: You’re written a method, MysetValue which is a bit redundant. When you synthesized your columNumber property, it writes a setter method for you, setColumNumber, that does this for you. Don’t write your own setter if you don’t need to. If you have a property, columNumber that you’ve defined in your .h, … Read more