a) How do I know which instances of a class work with the appearance property? For e.g. since UITableView conforms to the UIAppearance protocol I was thinking I could do something like You look in the header of the class (and the headers of all the superclasses). Any method that has UI_APPEARANCE_SELECTOR next to it … Read more
In case you are in need of knowing how to extract this information from the certificate in your iOS code, here you have one way to do it. First of all add the security framework. #import <Security/Security.h> The add the openssl libraries. You can download them from https://github.com/st3fan/ios-openssl #import <openssl/x509.h> The NSURLConnectionDelegate Protocol allows you … Read more
NSPredicate *predicate = [NSPredicate predicateWithFormat:@”type == %@”, @”standard”]; NSArray *filteredArray = [myArray filteredArrayUsingPredicate:predicate]; id firstFoundObject = nil; firstFoundObject = filteredArray.count > 0 ? filteredArray.firstObject : nil; NB: The notion of the first found object in an NSSet makes no sense since the order of the objects in a set is undefined.
I had the same problem.make sure that you call [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; for all three states of the transactions: SKPaymentTransactionStatePurchased, SKPaymentTransactionStateRestored, SKPaymentTransactionStateFailed.
This is how you access other apps from your own. Just find the proper url to send for accessing status. I’ve included a list that should have most of the important ones. Including status finding. [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@”twitter://status?id=12345″]]; twitter://user?screen_name=lorenb twitter://user?id=12345 twitter://status?id=12345 twitter://timeline twitter://mentions twitter://messages twitter://list?screen_name=lorenb&slug=abcd twitter://post?message=hello%20world twitter://post?message=hello%20world&in_reply_to_status_id=12345 twitter://search?query=%23hashtag Note: It can be important to … Read more
I ran into the same question and found a different solution that works for me. I use the “old school” approach for turning async operations into a sync flow by using a semaphore as follows: // create the object that will perform an async operation MyConnection *conn = [MyConnection new]; STAssertNotNil (conn, @”MyConnection init failed”); … Read more
I had the very same problem and, thanks to this thread and Joel’s algorithm, I could fix it. 🙂 Below is my code in Swift. I’m in iOS 8 + Autolayout. Problem: User inputs expenses: When users tap the ‘check’ button, a menu appears from bottom, pushing everything to the top of the screen (shrinking … Read more
Project Settings > Under “Targets”, select your project > Build Phases > open “Compile Sources” and “Copy Bundle Resources”. Check if any files are listed in red color. If so , just delete it. Then clean and run. Worked for me.
Setting it as the accessoryView is usually the way to go. You can set it up in tableView:cellForRowAtIndexPath: You may want to use target/action to do something when the switch is flipped. Like so: – (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { switch( [indexPath row] ) { case MY_SWITCH_CELL: { UITableViewCell *aCell = [tableView dequeueReusableCellWithIdentifier:@”SwitchCell”]; if( … Read more
The only difference is in where the view is added: whether it is the frontmost view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).