You can add a tag to each button that corresponds to its row, ex: button.tag = indexPath.row; Then give that button an action linked to a method which takes the button as a parameter, ex: [button addTarget:self action:@selector(goToCommentView:) forControlEvents:UIControlEventTouchUpInside]; So that when a button is selected, and the method is called, you can get the … Read more
NSArray *firstArray=[NSArray arrayWithObjects:@”1″,@”2″,@”3″, nil]; NSArray *secondArray=[NSArray arrayWithObjects:@”10″,@”20″,@”30″, nil]; NSMutableArray *sumArray=[NSMutableArray new]; for (NSInteger i=0; i<[firstArray count]; i++) { NSString *newValue=[NSString stringWithFormat:@”%ld”,([[firstArray objectAtIndex:i]integerValue] + [[secondArray objectAtIndex:i]integerValue])]; [sumArray addObject:newValue]; } NSLog(@”sum=%@”,sumArray); Output is : sum=( 11, 22, 33 ) NOTE: both firstArray & secondArray must be of same size, and contain integers as string. Otherwise you need … Read more
The self.username will call the setter of the username that’s why the breakpoint jumps to the synthesize statement. When you a _variable, then the property can be accessed using the _variable. And in your case: self.username stores the value to ivar _username and _username = @”admin”; is also stores the value to _username ivar. Means … Read more
You’ll want to look at UISwipeGestureRecognizer. For help with getting swipe gesture recognizers working with Cocos2D, look here. The short rundown is this: Set up your gesture recognizer (direction, number, selector/target). Attach gesture recognizer to the glView Set up event to fire when a swipe is detected. This is where you’ll do the jump up/down … Read more
I take it you’re talking about the periodic table of elements? A UICollectionView is indeed a good way. You should watch the keynote of the 2017 WWDC. They demonstrate that very thing using new features of UICollectionView added in iOS 11, but you could do it without those new features as well. 1 solved How … Read more
Looking at the headers for BarCodeKit, I’d suggest you use the class method: + (instancetype)code39WithContent:(NSString *)content error:(NSError *__autoreleasing *)error; E.g. in Swift 4.2: do { let barcode = try BCKCode39Code.code39(withContent: string) // or use rendition with `withModulo43` parameter imageView.image = UIImage(barCode: barcode, options: nil) } catch { print(error) } 4 solved How to convert BarCodeKit … Read more
This is a fairly common problem, there are all sorts of solutions to it. I put one together and made it part of my EnkiUtils package which you can download from https://github.com/pcezanne/EnkiUtils Short version: You’ll want to watch for keyboard events and call the Enki keyboardWasShown method, passing it the current view (and cell if … Read more
I had to do the same you are doing a few months ago. So, I found this on GitHub: https://github.com/dempseyatgithub/Sample-UISearchControllerDownload/clone it and you’ll be able to see how to use UISearchController with UITableView and UICollectionView. It has everything you need to upgrade from UISearchDisplayController to UISearchController. The UISearchController documentation is also really helpful.If you also … Read more
There are many parser available you can google it. As oehman mention CHCSVParser is good to parse CSV files. Here is a blog which explains how to use it :- http://www.theappguruz.com/tutorial/ios-csv-parser-writer/ This answer will help you too :- https://stackoverflow.com/a/14537119/1865424 0 solved Reading/Writing xls/csv files in objective C [closed]
NSString *expires = [[login valueForKey:@”expires”] firstObject]; 0 solved Format a string to NSDate
This is more correct than iPrabu’s answer, which is incomplete. let deviceTokenString = deviceToken.debugDescription.stringByReplacingOccurrencesOfString(“>”, withString: “”).stringByReplacingOccurrencesOfString(“<“, withString: “”).stringByReplacingOccurrencesOfString(” “, withString: “”) let link = “http://emlscer.no-ip.info:8080/sample/iAppList.php?add=\(deviceTokenString)” if let escapedString = link.stringByAddingPercentEscapesUsingEncoding(NSUTF8StringEncoding), url = NSURL(string: escapedString) { var request = NSMutableURLRequest(URL: url) request.HTTPMethod = “GET” do { try NSURLConnection.sendSynchronousRequest(request, returningResponse: nil) } catch { // Handle your … Read more
You cannot check the row count in viewDidAppear because an asynchronous NSURLConnection is used to fetch the JSON data that populates the table view. The correct way is to call reloadData in connectionDidFinishLoading, after you have updated your data source with the response from the URL request. At that point you know if the number … Read more
return is the last statement that is executed in a function. After the return statement the function returns the control to the caller. For example: function1 function2 int x; function2();—————————–+ +—->puts(“function2 – should be called”); +—–return; puts(“back to function1”);<————–+ puts(“should not be called”); 2 solved Why does NSLog() not do anything if it’s after a … Read more
Let me explain your code for you: NSString *isoFormat = ISO8601DateFormatType; (assigns string ISO8601 to isoFormat) NSString *dateFormat = (isoFormat != nil) ? isoFormat : ISO8601DateFormatType; (isoFormat is never nil so the condition is always true. If it were false, we would again assign string ISO8601). NSDateFormatter *formatter = … (we get some formatter, it … Read more
At the end of the method, return the UITableViewCell like so: return cell; 2 solved Objective-c Error. Xcode not sure what is wrong with code [closed]