I would like to have an autocomplete textfield that autocompletes locations for me like the one for android: https://developers.google.com/places/training/autocomplete-android Does anyone know wh...

I'm trying to implement Universal Links in my app. I read a lot of tutorials and followed this one to the letter: How to support Universal Links in iOS App and setup server for it? When I click a ...

I want to format a UITextField for entering a credit card number into such that it only allows digits to be entered and automatically inserts spaces so that the number is formatted like so: XXXX X...

I am trying to play MPMedaiItem in MPMusicPlayerController in iOS. In my case , i have a UITableView that show songs from playlist. When i tap cell on UITableView , i want to play that song with MP...

I am creating a table view in which there are 10 sections, all having a header view but no cells. So, in short, my table view will display 10 header views only; there will be no cells in any sectio...

Grouped table views seem to have extra padding on the bottom in iOS 6 (iOS 5 does not have it), but I can't find any documentation that suggests this is correct / expected behavior. This affects t...

How can I scroll my table view to the bottom when using dynamic cell height? For some reason this code does not work in this scenario: [self.tableView scrollRectToVisible:CGRectMake(0, self.table...

I read a very interesting blog about implementing some anti-piracy protection into your apps. Some of them dont work anymore, some of them do. The 2 ones that still are effective to an extent are t...

I want to show 2 options like "hi" & "bye" when user completes selection on UIWebView. I have added observer to my view controller as follows. But I don't know further implementation. [[UIMen...

I want to catch event when user finish change selection in UITextView. Method textViewDidChangeSelection: call a few times while user pulls cursor. I try to use touchesEnded:withEvent:, but it does...

I have a custom UISlider that is relatively tough for big fingered people to grab hold of and slide due to the size of the "thumb image". Is there any way to increase the size of clickable / dragga...

How do you calculate the focusPointOfInterest (a CGPoint value between 0,0 and 1,1) for an given AVCaptureDevice? I've been following the code samples from the latest WWDC but I really don't under...

There are so many settings in the preferences for Code->Style->Objective-C. I'm looking for the right one to reformat this line of code SCPropertyDefinition *test = [SCPropertyDefinition definiti...

A UIViewController adds itself to the default center: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(editFood) name:@"editFood" object:nil]; Then a UITableView del...

Full warning: Implicit conversion from enumeration type 'UIInterfaceOrientation' to different enumeration type 'UIDeviceOrientation' Getting it on the line: [self orientationChanged:interfaceOr...

I have a class that receives an AVCaptureDevice object as a parameter and I'd like to test it. I found the swizzle method to create an instance of AVCaptureDevice extension AVCaptureDevice { clas...

I know there are someone have ask this question.But it is a sorry i donot find the answer. dispatchQueue = dispatch_queue_create("myQueue", NULL); [captureMetadaOutput setMetadataObjectsDelegate:s...

I have installed Charles proxy, then installed the root certificate and root certificate for iOS simulator. Then I ran the application of the simulator but I cannot see any request inside charles. ...

I'm trying to send push notification for iOS via Google cloud functions but it returns error that The provided registration token is not registered. But I've checked it by debugging my app and the ...

Is there a way to disable interactions on a webview? So that the user can not go any further than the webview that is loaded? EDIT: Disabling UserInteractions is not a solution because the website...

I've just started using code snippets for the first time, i've added a snippet, set the shortcut, but when I type the shortcut and hit Esc - it doesn't show up. What am I doing wrong? I've tried re...

I want to calculate the histogram of a CGImage. I am using the CIAreaHistogram built-in CoreImage filter. Justin Mrkva has done something along similar lines. He says: I get the CIImage for the...

I try to change font color from white to black for UISegmentedControl (for iOS 4.*) UISegmentedControl *button = [[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:itemTitle, nil...

I have a UIViewController that is pushed onto a UINavigationController and is currently displayed. When I go to start some asynchronous task inside the view controller, I can set hidesBackButton on...

Is there a simple way to do something like.. [NSMagicDataConverter humanStringWithBytes:20000000] ..which would return "19.1MB"?