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IOS QUESTIONS

Xcode 7.1 with iOS 9.2 Error (Could not find Developer Disk image)
Xcode 7.1 with iOS 9.2 Error (Could not find Developer Disk image)
will help you Found out the answer. Went to Xcode website. They clearly say that Xcode 7.1 does not include iOS 9.2 beta sdk.Upgraded my Xcode to 7.2 beta by downloading it from the Xcode website
TAG : ios
Date : November 28 2020, 09:01 AM , By : Patrisha Cope
What will happen by calling [super alloc] in a subclass' factory method?
What will happen by calling [super alloc] in a subclass' factory method?
I wish this help you Sample code as follow: , First, let us see an example
TAG : ios
Date : November 28 2020, 09:01 AM , By : tokubass
Why there is no warning while casting with viewWithTag?
Why there is no warning while casting with viewWithTag?
this will help There's a new (Xcode 7) keyword in Objective-C, __kindof, that allows you to better express the return value of a method. Instead of viewWithTag: returning UIView *, it can return __kindof UIView * which tells the compiler something li
TAG : ios
Date : November 28 2020, 09:01 AM , By : Arno Chantao
Can I start my iOS app on the 2nd View of My Storyboard and use the Unwind Segue?
Can I start my iOS app on the 2nd View of My Storyboard and use the Unwind Segue?
Does that help Instead of explicitly setting your second view as rootViewController, just push it from your first view in its viewDidload method and then try unwind segues it will work.
TAG : ios
Date : November 28 2020, 09:01 AM , By : Abderrahim Lahrach
How to resize a UIImageView and force relayout of the parent UITableViewCell
How to resize a UIImageView and force relayout of the parent UITableViewCell
will help you Set the width constraint for postImage. Create an IBOutlet for the height constraint of postImage. Then in say something like:
TAG : ios
Date : November 28 2020, 09:01 AM , By : Harry Tuttle
Logically determine shortest path
Logically determine shortest path
around this issue You are looking for the shortest path between two nodes in a graph. Dijkstra's Algorithm is a good and simple Breadth-First Search for this problem.
TAG : ios
Date : November 28 2020, 09:01 AM , By : Bhagyasree M.R
autolayout problems by code?
autolayout problems by code?
hop of those help? WHICHVIEW should be a parent of [all] the items you are trying to constrain. So if you are adding a number of views to a scrollview and trying to constrain them, with respect to themselves and to the scrollview, the scrollview shou
TAG : ios
Date : November 28 2020, 09:01 AM , By : dharini r
Using componentsSeparatedByString with more than one separator string?
Using componentsSeparatedByString with more than one separator string?
will be helpful for those in need You can split on the whitespaceAndNewlineCharacterSet. You will get empty “words” when cleanText has more than one split character in a row, and you probably want to filter those out.
TAG : ios
Date : November 28 2020, 09:01 AM , By : user52468
iOS : application crashing for null values while displaying scrolling tableview
iOS : application crashing for null values while displaying scrolling tableview
I think the issue was by ths following , You need to check the value of object is not null before add it to the array.
TAG : ios
Date : November 27 2020, 09:01 AM , By : augusto
How to Programmatically Segue to a New ViewController in a New Storyboard
How to Programmatically Segue to a New ViewController in a New Storyboard
Any of those help This piece of code allows you to segue to any viewController anywhere in your application while still being able to build your viewController with storyboard.
TAG : ios
Date : November 27 2020, 09:01 AM , By : sameercn
Interpolation in texture3D in OpenGL ES 3.0 on iOS
Interpolation in texture3D in OpenGL ES 3.0 on iOS
around this issue Linear filtering of textures with internal format GL_RGBA32F is not supported in ES 3.0.You can see which formats support linear filtering in table 3.13 of the ES 3.0 spec document, on pages 130-132. The last column, with header "Te
TAG : ios
Date : November 27 2020, 09:01 AM , By : Amihai Hadar
How do I remove new line characters from a string?
How do I remove new line characters from a string?
Does that help I need to strip away any new line characters from a string. I tried the stringByReplacingOccurencesOfString method below. What is the correct method to do this in Objective C? , stringByReplacingOccurrencesOfString does not modify text
TAG : ios
Date : November 27 2020, 09:01 AM , By : Sari T
Grouped UITableView from array of objects
Grouped UITableView from array of objects
hop of those help? Typically you would create an array of dictionaries, each dictionary would have the group name and an array of members.Another alternative is to build your dictionary of groups, just as you are, and then pull the keys into an array
TAG : ios
Date : November 27 2020, 09:01 AM , By : Joseph Mugo
How to write this answer in Swift? popToRoot on one tab when the user is in a different tab?
How to write this answer in Swift? popToRoot on one tab when the user is in a different tab?
may help you . I solved it by just loading the viewDidLoad whenever I changed to a New Tab.
TAG : ios
Date : November 27 2020, 09:01 AM , By : sunkara pavan
Collection View Loads Choppy
Collection View Loads Choppy
To fix this issue You want to do all of the downloading of the main thread then once the image or image data is available dispatch to the main queue to update the UI. Here you're going in the right direction but you're downloading on the main thread.
TAG : ios
Date : November 27 2020, 09:01 AM , By : shoaib
How to trigger certain segue for a selected nib cell in didSelectRowAtIndexPath
How to trigger certain segue for a selected nib cell in didSelectRowAtIndexPath
it fixes the issue I have 2 custom nib cells in my table view that should perform 2 different segues. I want something like this: , Why don't you say something like
TAG : ios
Date : November 27 2020, 09:01 AM , By : Aakruti
Filter users based on their specified age ranges. Parse and Swift
Filter users based on their specified age ranges. Parse and Swift
wish of those help You can give multiple constraints, and objects will only be in the results if they match all of the constraints. In other words, it's like an AND of constraints. Since you want to query for users where (age = minAge), this correspo
TAG : ios
Date : November 26 2020, 09:01 AM , By : Stanthewizzard
Audio queue recording error: AudioConverterNew from AudioQueueNew returned 'fmt?'
Audio queue recording error: AudioConverterNew from AudioQueueNew returned 'fmt?'
I hope this helps you . Here's my code to set up the audio queue service: , From the CoreAudioTypes.h header file, we glean that:
TAG : ios
Date : November 26 2020, 09:01 AM , By : Rpattabhi Ramaiah
no registered handler for URL scheme itms-apps - Rate button Simulator
no registered handler for URL scheme itms-apps - Rate button Simulator
wish helps you The URL you're using is correct. BUT if you're trying this on the simulator it won't work and it will show that exact error. The App Store app URL Scheme only works on a device.
TAG : ios
Date : November 26 2020, 09:01 AM , By : Erod
Escaping parameters in iOS Apple App Store Download Link
Escaping parameters in iOS Apple App Store Download Link
may help you . As far as I know this is not possible. You can add parameters to a download link but it is essentially to track advertising / campaign performance. Those params will no be passed to the app at installation / first launch.Nicolas
TAG : ios
Date : November 26 2020, 09:01 AM , By : Adn Ali
Resizing UISearchBar in UINavigationBar titleView doesn't work
Resizing UISearchBar in UINavigationBar titleView doesn't work
it fixes the issue Here I have created a Demo project for the above solution which you can get it from here.Download Demo Project
TAG : ios
Date : November 26 2020, 09:01 AM , By : Habery
Button that will generate a random background color - Xcode - Swift
Button that will generate a random background color - Xcode - Swift
fixed the issue. Will look into that further I'm trying to make a button that will change the background color to a random color. So far I have: , As long as changeColor is in your view controller, you can just do
TAG : ios
Date : November 26 2020, 09:01 AM , By : TRF
Subclassing SCNScene and SceneKit Editor
Subclassing SCNScene and SceneKit Editor
wish help you to fix your issue I have a workaround for that problem. Not nice but it works. I instantiate a SCNScene(named: "art.scnassets/testScene.scn") then I instantiate a TheSubclassScene() and I clone the rootNode of the scene and add it as a
TAG : ios
Date : November 26 2020, 09:01 AM , By : Pooja Sharma
iOS: get result of 'currentUserNotificationSettings' alert dialog
iOS: get result of 'currentUserNotificationSettings' alert dialog
it helps some times What you want to do is call the registerUserNotificationSettings: on the UIApplication which will make the application check the settings for user notifications and show a confirmation dialog to the user. After checking your reque
TAG : ios
Date : November 26 2020, 09:01 AM , By : Paul Wellner Bou
Delete user in iOS using Parse login
Delete user in iOS using Parse login
will help you User ALC permission automatically blocks anyone else from performing a write/delete on your record. This means you must be logged in if you want to update/delete your own record. In your code, you probably log out before your asynchrono
TAG : ios
Date : November 26 2020, 09:01 AM , By : skyfred
iPad Pro reporting wrong screen scale
iPad Pro reporting wrong screen scale
Hope that helps According to HIG iPad Pro has @2x screen scale so 2 is correct value actually.
TAG : ios
Date : November 25 2020, 09:00 AM , By : Ronaldo CR7
Solving math using DDMathParser in Objective-C
Solving math using DDMathParser in Objective-C
I wish this help you I'd like to use DDMathParser to solve a math problem. The top answer on this StackOverflow question shows how, but it only solves it to the log. I'd like to get the answer as a string on an integer. The code NSLog(@"%@", [math nu
TAG : ios
Date : November 25 2020, 09:00 AM , By : christian
Why does Acknowledgements.plist from CocoaPods look messed up on iOS 9 and what can you do about it?
Why does Acknowledgements.plist from CocoaPods look messed up on iOS 9 and what can you do about it?
seems to work fine Good observation! I noticed the same some time ago, too. Hoped that this was already fixed.Investigation
TAG : ios
Date : November 25 2020, 09:00 AM , By : Emico CP
reloadRowsAtIndexPaths interfere with deleteRowsAtIndexPaths
reloadRowsAtIndexPaths interfere with deleteRowsAtIndexPaths
it fixes the issue You are attempting to reload a row at index 9 when you have 9 elements. When you have 9 elements they are at index 0 through 8. There is no element at index 9. Try reloading 0-8 instead of 1-9.
TAG : ios
Date : November 25 2020, 09:00 AM , By : Thomas Traverso
How to do core data fetch predicate for NSDate in swift? i want to filter it by months
How to do core data fetch predicate for NSDate in swift? i want to filter it by months
Hope this helps You can do something likeGet the first date and last date of a month and then use it like
TAG : ios
Date : November 25 2020, 09:00 AM , By : Sherlock Holmes
Creating a centered View with Labels
Creating a centered View with Labels
wish helps you Rather than attempting to code frame values directly, I would suggest you adopt auto layout. Here is the basis of a UIView subclass that does what you want (I haven't bothered with the fonts, but you can add that easily) -
TAG : ios
Date : November 24 2020, 09:00 AM , By : Romain Mounier
Singleton Created, Errors upon use in ViewController?
Singleton Created, Errors upon use in ViewController?
hop of those help? You are actually messing up the singleton and iCloud storage objects in your code. You need to declare and initialise the iCloud object in your singleton and use it:CloudStore.h
TAG : ios
Date : November 24 2020, 09:00 AM , By : arvind jain
Error using performSegueWithIdentifier Swift 2.1
Error using performSegueWithIdentifier Swift 2.1
I wish this help you NSURLSession's completion blocks are called on the sessions's delegate queue, which is run on a background thread unless you specify otherwise.You should not call any UI code (pretty much the entire UIKit) from a background threa
TAG : ios
Date : November 24 2020, 09:00 AM , By : Sevak Sargsyan
I've created a singleton class, how can I call it from my ViewControllers?
I've created a singleton class, how can I call it from my ViewControllers?
I wish this helpful for you I've created the following singleton class, but I'm not sure how to call it from my ViewControllers (sorry for the newb question)? I've imported it into my ViewController (import cloudStore.h), but what line of code should
TAG : ios
Date : November 24 2020, 09:00 AM , By : A. Biniaris
Alamofire won't build in empty Swift project using Cocoapods
Alamofire won't build in empty Swift project using Cocoapods
With these it helps Alamofire 3.0 is written in Swift 2.0. Xcode 6.4 does not support Swift 2.0. Change Alamofire version or update your Xcode.
TAG : ios
Date : November 24 2020, 09:00 AM , By : Johansson
Set first annotation in annotations
Set first annotation in annotations
I think the issue was by ths following , Howe said @ogres: mapView might re-arrange the array of the Pubs, so i had to select it from the TableView-s array mapView.selectAnnotation(tableView.annotations.first!, animated: true)
TAG : ios
Date : November 24 2020, 09:00 AM , By : Lourdoueix
Swift 2.1 New Way to Initialize String Array?
Swift 2.1 New Way to Initialize String Array?
Hope that helps With Swift 2 you explicitly have to declare the type of object in the array in parenthesis:
TAG : ios
Date : November 24 2020, 09:00 AM , By : Sajid Altaf
Swift - time based UUID - how to sort them
Swift - time based UUID - how to sort them
it should still fix some issue UUIDs have no "oldest" or "newest" component. It's true that uuid_generate_time uses the time to help guarantee uniqueness, but it is not intended as a way of actually recording the time. Don't try to misuse it in this
TAG : ios
Date : November 23 2020, 09:01 AM , By : Yui101
Swift: How can I have a listener that reports when connection is lost and when it comes back?
Swift: How can I have a listener that reports when connection is lost and when it comes back?
it helps some times I have solve this issue by declaring reachability as an instance variable of the ViewController:
TAG : ios
Date : November 23 2020, 09:01 AM , By : Ali Shan
Xcode fails to generate Adhoc IPA
Xcode fails to generate Adhoc IPA
should help you out The only workaround I found was to uncheck the "bitcode" option then everything went normal.
TAG : ios
Date : November 23 2020, 09:01 AM , By : Damilola Olagunju
Apple Watch - how do I schedule a complication update to be in synch with Push notification?
Apple Watch - how do I schedule a complication update to be in synch with Push notification?
this one helps. You can implement Background Fetch and force the complication update, this way you will have next schemes:iOS: Implement application:didReceiveRemoteNotification:fetchCompletionHandler: on the UIApplicationDelegate and fetch there a p
TAG : ios
Date : November 23 2020, 09:01 AM , By : Pavani ssn
UICollectionView will not display cells in custom popupview
UICollectionView will not display cells in custom popupview
I wish this help you You should create a custom subclass of UiCollectionViewCell. If you want to layout your cell in IB check include XIB file. It's not possible to combine classes like this in objective C. Register you nib your reuse identifier and
TAG : ios
Date : November 23 2020, 09:01 AM , By : Praveen Kumar G
iOS: Repeat animation block until an event completes
iOS: Repeat animation block until an event completes
help you fix your problem There is an option for this indeed: UIViewKeyframeAnimationOptionRepeat.Pass that option in, and pass nil for your completion block, since you shouldn't need it.
TAG : ios
Date : November 23 2020, 09:01 AM , By : Shubham Jhandei
Set NavigationBar for Destination ViewController Only
Set NavigationBar for Destination ViewController Only
should help you out I think this will work, hiding the navigation bar. before appearing/disappearing the view.
TAG : ios
Date : November 23 2020, 09:01 AM , By : Ashutosh Singh
ios9 Image Download
ios9 Image Download
I wish did fix the issue. There is a little bit too less of information to give a definite answer. It does not seem to be an authentication or security issue.However: 404 means, the URL (File) you are trying to reach cannot be found, are you sure the
TAG : ios
Date : November 22 2020, 02:59 PM , By : applePye
Accessing Value of NSDictionary within array
Accessing Value of NSDictionary within array
Does that help You can query the top element in json data. It depends upon what is the root element if its an array get it in an array if it is an dictionary get it in an dictionary.Then depends upon the hierarchy of data what you have to choose. To
TAG : ios
Date : November 22 2020, 02:59 PM , By : SauravPrakash
Change Data with Switch on UITableViewCell
Change Data with Switch on UITableViewCell
help you fix your problem Now you have default value from switch when your cell is created. To set new value for dataModel in ViewController when your switch state changed you can use delegate mechanism.Create protocol for your action:
TAG : ios
Date : November 22 2020, 02:59 PM , By : sandeep
ios9 - Xcode 7 - Swift - Keyboard shows correctly in Simulator but not on an actual Device
ios9 - Xcode 7 - Swift - Keyboard shows correctly in Simulator but not on an actual Device
This might help you Ugh. Being new to ios development I was 100% certain my code was borked, which was causing the keyboard not to appear. So this morning I created a test project and added each line of code from my project to the test project to see
TAG : ios
Date : November 22 2020, 02:59 PM , By : Brian Goins
Sizing for UITabBar images?
Sizing for UITabBar images?
To fix the issue you can do Ya, the image@1x.png file should be 25x25 pixels, the image@2x.png file should be 50x50 pixels and the image@3x.png file should be 75x75 pixels
TAG : ios
Date : November 22 2020, 02:42 PM , By : MAL
Sharing a Realm Database between a user's devices
Sharing a Realm Database between a user's devices
hop of those help? Realm hasn't provided sync feature yet. We are actively working on sync building feature, but we don't have no ETA at the moment.Easy ways are sharing Realm data file with iCloud or other services. e.g. DropBox API.
TAG : ios
Date : November 22 2020, 02:42 PM , By : phoduchai
Use of @dynamic in objectiveC
Use of @dynamic in objectiveC
I wish this helpful for you @dynamic tells the compiler that you, the developer, will make sure that implementations of properties will be added at runtime. There is no hint how you would do this (I suppose it requires playing around with the interna
TAG : ios
Date : November 22 2020, 02:42 PM , By : Torgonton
PFGeoPoint to save something on map permanently?
PFGeoPoint to save something on map permanently?
This might help you PFGeoPoint is absolutely what you want. To give you some background information, PFGeoPoint is essentially a wrapper around the iOS CLLocation object which contains a latitude/longitude coordinate.You have two situations you'll ne
TAG : ios
Date : November 22 2020, 02:42 PM , By : Nitram
Xcode Table Cell not Fully Highlighted
Xcode Table Cell not Fully Highlighted
To fix the issue you can do I found out the answer. It turns out a UIView inside my header was a bit too long and overlapped into my table cell. for your answers!
TAG : ios
Date : November 22 2020, 02:42 PM , By : nhlx2
Parse crash reporting 1.9.2 not working
Parse crash reporting 1.9.2 not working
it should still fix some issue Parse crash reporting was just recently deprecated and shouldn't be used anymore. It looks like they haven't taken the time to update their documentation yet, but I received this email from them last Tuesday (November 1
TAG : ios
Date : November 22 2020, 02:42 PM , By : Abrar Chowdhury
Over the air distribution stopped working XCode7.1.1
Over the air distribution stopped working XCode7.1.1
this one helps. I think there will be no issues. When you try over the air installation, first it shows another copy of your app as being installed. After completing the installation (finishing the installation progress) it removes the new copy and t
TAG : ios
Date : November 22 2020, 02:42 PM , By : Eric Pettersen
How to change property for multiple IBOutlet
How to change property for multiple IBOutlet
it should still fix some issue For example If I have multiple IBOutlet like this: , You can define a collection of IBOutlets in Swift, like this:
TAG : ios
Date : November 22 2020, 02:42 PM , By : Shahzad Ahmed
How pop multiples Views of navigationBar and return an object to first page?
How pop multiples Views of navigationBar and return an object to first page?
Hope this helps I would like to learn how to do an functional block of views.
TAG : ios
Date : November 22 2020, 02:42 PM , By : Chase
UICollectionView segue from Sign-up showing a black screen
UICollectionView segue from Sign-up showing a black screen
I hope this helps . Simply alloc,init will give you blank controller with no view associated with it. You have to initialise it through storyboard like this, then you will not have to provide any custom init/alloc,UIStoryboard *storyboard = [UIStoryb
TAG : ios
Date : November 22 2020, 09:00 AM , By : Noah Cagle
UICollectionView CustomCell ReUse
UICollectionView CustomCell ReUse
I think the issue was by ths following , Reusable cells are reused by the collection view when they are scrolled outside the view to prevent a lot of memory use. When a certain cell gets scrolled outside of the view the collection view will mark them
TAG : ios
Date : November 22 2020, 09:00 AM , By : Airwolf
iOS PushKit (VoIP Push Notifications) Quality of Service
iOS PushKit (VoIP Push Notifications) Quality of Service
I hope this helps . I performed the following steps to verify the issue myself Put the device in airplane mode Sent at least 5 different PushKit notifications Wait for about 3 minutes Cancel the airplane mode
TAG : ios
Date : November 22 2020, 09:00 AM , By : Nitvin

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