[Solved] Exception in button tag

The reason you are getting an exception is because your tag is greater then the blogids count. Add the buttons to the array and then it will not crash. For example: blogids = [[NSMutableArray alloc]init]; [blogids addObject:oneOfYourButtons]; Also if you only want to see the tags number use this: NSLog(@”The tag clicked:%d”,tag); instead of: NSLog(@”The … Read more

[Solved] Creating properties in iOS [closed]

All properties are created manually using the @property declaration. In the latest objective-C you don’t need to add the @synthesize declaration any more. As for IBOutlets, they don’t do anything. In fact, IBOutlets are expanded to nothing. They are just passive tags so that Interface Builder can locate the properties that it can associate objects … Read more

[Solved] Are XML attributes compulsory? [closed]

XML attributes are not compulsory. You use it according to your own convinience and need. Yes this XML will be parsed with all of the parsers. If at all the XML is valid then it will be parsed by any XML parser correctly whether it be in iOS or Android. solved Are XML attributes compulsory? … Read more

[Solved] Delete all rows in a tableview [duplicate]

On the button action event remove all the objects from itemArray then reload tableView data. Before this make sure that in tableView delegate numberOfRowInsection you are passing itemArray count like that: – (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [itemArray count]; } // button action// -(IBAction)deleteTableViewData { [itemArray removeAllObjects]; [tableView reloadData]; } 3 solved Delete all rows … Read more

[Solved] How to fix the setter of the fullName property to enable an automatic update for the firstName and lastName properties? [closed]

Your class is basically right (though the setter for fullName isn’t handling anything other than fullNameArr.count == 3). class Person { var firstName: String var lastName: String var fullName: String { get { “\(firstName) \(lastName)” } set { let names = newValue.components(separatedBy: ” “) lastName = names.last ?? “” firstName = names.dropLast().joined(separator: ” “) } … Read more

[Solved] UILabel position in a UITableViewCell fails on the first try

If I do any complex layout in a UITableViewCell I try to keep it out of cellForRowAtIndexPath. One option is to do layout in – (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath but I prefer to encapsulate layout in a custom UITableViewCell class. Make your own UITableViewCell subclass. Create and add the custom button / label … Read more