You should actually create the label and place it on your view. UILabel *display = [[UILabel alloc] init]; display.text = [chars objectAtIndex:i]; display.frame = CGRectMake(x, y, 14, 22); display.textColor = [UIColor whiteColor]; [self.view addSubView:display]; solved How to add UILabel from a loop? [closed]
If you have created the UITextField and UIImageViews objects using nib or in storyboard, check whether the IBOutlets of them are connected. If you have created these UI elements via code(in a function), check the function is getting called. 1 solved Text field and images are nil [closed]
@user3815344’s answer works, however you can simplify it by using minElement and maxElement to retrieve the minimum and maximum values. For example: let arr = [“55a”, “95a”, “66”, “25”, “88b”, “#”] let numbers: [Int] = arr.reduce([]) { if let num = “”.join($1.componentsSeparatedByCharactersInSet(NSCharacterSet.decimalDigitCharacterSet().invertedSet)).toInt() { return $0 + [num] } return $0 } minElement(numbers) // 25 maxElement(numbers) … Read more
You must implement your UIScrollView and then add the desired subview (UIImageView and UILabel in your case). In you viewDidLoad: UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)]; scrollView.backgroundColor = [UIColor redColor]; UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, scrollView.frame.size.width * 2, 100)]; imageView.backgroundColor = [UIColor blueColor]; UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(imageView.frame.size.width, 0, … Read more
You can use filter method of array: //this filter will return you all objects whose group type is equal to 1 let collectionArray = (product_groups?.filter({$0.group_type == 1})) //this filter will return you all objects whose group type is equal to 2 let tableArray = (product_groups?.filter({$0.group_type == 2})) For group title to be section header: – … Read more
Problem solved. I’ve added this line <option>-lc++</option> to the platformOptions.xml. Now OpenCV works great in my actionscript native extension. solved Error when including OpenCv framework in a Native Extension for IOS
I tried your code with some changes. Here are my .h file and .m files. Try this. Now also I didn’t understand what your trying to find out, but this code gives me the values not a nan. While you writing code, don’t forget to start your variable name in small letter that is a … Read more
You need to write it like this: func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { let cell = collectionView.dequeueReusableCell(withReuseIdentifier: “MenuCollectionViewCell”, for: indexPath) as! MenuCollectionViewCell return cell } 3 solved Editor placeholder in source file swift [duplicate]
To open office files within an iOS app you can: 1- Use UIWebView . Here is a sample code with a document included in the app’s resources. NSString *path = [[NSBundle mainBundle] pathForResource:@”document” ofType:@”ppt”]; NSURL *url = [NSURL fileURLWithPath:path]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; [self.webView loadRequest:request]; 2- You can use the QuickLook framework to preview … Read more
Try to use EGOTableViewPullRefresh. It’s awesome “pull down to refresh” feature. It is available on github. UIRefreshControl is available only in iOS 6.0 and later. EGOTableViewPullRefresh can be used in iOS 5 and earlier! 1 solved UIRefreshControl is not working in IOS 5 [closed]