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OBJECTIVE-C QUESTIONS

Objective C: How to get access token from web browser to cocoa app?
Objective C: How to get access token from web browser to cocoa app?
wish help you to fix your issue In order get access token on Local application you will need to follow given below steps: Login to dev.onedrive.com and check YES on Mobile or desktop client app option Take a browser control in you application and loa
TAG : objective-c
Date : December 01 2020, 05:00 PM , By : milade
Why the main queue in iOS has to be a serial dispatch
Why the main queue in iOS has to be a serial dispatch
like below fixes the issue The purpose of the main queue is to provide a method for scheduling asynchronous work on the main thread. If the queue was concurrent, not all work would be done on the main thread, and that would make the queue useless.
TAG : objective-c
Date : November 28 2020, 09:01 AM , By : Ellen VdK
AWS API Gateway unreliability in refresh
AWS API Gateway unreliability in refresh
wish help you to fix your issue Regarding timeouts:As mentioned in comments Lambda cold start may cause your API Gateway call to time out, you may need to optimized your Lambda to avoid timeouts.
TAG : objective-c
Date : November 28 2020, 09:01 AM , By : SpelieK
Unable to add UIScrollView to UITableView
Unable to add UIScrollView to UITableView
I wish this help you Is there any reason why you need a separate UIScrollView ? UITableView is already a scroll view. My guess is that the touch events from the UIScrollView you created are interfering with those of the UITableView.
TAG : objective-c
Date : November 25 2020, 09:00 AM , By : Gain
How to dynamically place NSView in relation to NSStatusBar?
How to dynamically place NSView in relation to NSStatusBar?
seems to work fine Evernote does not use a menu. This seems to be a NSPopover that is triggered when clicking on your statusitem's view.
TAG : objective-c
Date : November 20 2020, 09:01 AM , By : Ben
Text encoding error when opening Notification Center plist using stringWithContentsOfFile:encoding:error:
Text encoding error when opening Notification Center plist using stringWithContentsOfFile:encoding:error:
I hope this helps you . You can read a .plist which top level is a dictionary using dictionaryWithContentsOfFile:. In case the top level is a array, you have to use arrayWithContentsOfURL:. This will automatically parse the file.In your case, the top
TAG : objective-c
Date : November 19 2020, 03:54 PM , By : Detra
No error highlighting in test bundle in XCode 7.2
No error highlighting in test bundle in XCode 7.2
wish of those help The solution was to add the Test Target to the Test action in the Scheme editor.In XCode 7.2:
TAG : objective-c
Date : November 19 2020, 09:01 AM , By : Tony
Using accessors in Objective-C for each loop
Using accessors in Objective-C for each loop
Any of those help You are correct. The accessor is only called once. A trivial test proves it:
TAG : objective-c
Date : November 19 2020, 12:35 AM , By : Enny Genovese
How to use StoryBoard quick build a collectionView inside UITableViewCell
How to use StoryBoard quick build a collectionView inside UITableViewCell
will help you check collection view data source is imported or not,check your delegate is assigned to particular view controller,check the data is nill or it have some values which you want to display it
TAG : objective-c
Date : November 19 2020, 12:35 AM , By : Dakshvir Rehill
set font size to UIActionSheet title
set font size to UIActionSheet title
I wish this help you You could take advantage of Runtime Properties to set the font. By using NSAttributedString you can achieve this.
TAG : objective-c
Date : November 18 2020, 09:01 AM , By : Siva Sundar
NSPredicate evaluateWithObject: ?any object?
NSPredicate evaluateWithObject: ?any object?
it fixes the issue Any object can be validated against any predicate, unless the object doesn't work with the operator being used. If that happens, you'll get a runtime exception, so you'll know that you did something wrong.Example
TAG : objective-c
Date : November 17 2020, 09:01 AM , By : Callum Noble
What's the benefit of having CF framework and Foundation framework exist at same time?
What's the benefit of having CF framework and Foundation framework exist at same time?
this one helps. Core Foundation is C, which means it can easily be used from C code. Foundation is Objective-C, which can technically be used from C, but it's utterly non-trivial. The benefit to having the underlying framework written in C is that C
TAG : objective-c
Date : November 17 2020, 09:01 AM , By : Rohit Naik
expected expression error trying to store data with NSUserDefaults
expected expression error trying to store data with NSUserDefaults
I wish this help you The error is because switch is an reserved keyword. You are using that as a variable name.Change your variable name, that will fix the issue.
TAG : objective-c
Date : November 17 2020, 09:01 AM , By : Emielb
Focus for UICollectionViewCells on tvOS
Focus for UICollectionViewCells on tvOS
help you fix your problem UICollectionViewCell are not focus appearance by default, but you can achive this by adding one yourself.
TAG : objective-c
Date : November 17 2020, 09:01 AM , By : nitesh srivastava
How to send 'dealloc' message to nil Object in Objective-c?
How to send 'dealloc' message to nil Object in Objective-c?
wish of those help This code will compile and run because you can send messages to objects which are nil. When you send a message to a nil object the app will just continue executing. When you are calling [theLordOfTheRing.titleName dealloc]; dealloc
TAG : objective-c
Date : November 16 2020, 09:01 AM , By : Sachin Gupta
WKInterfaceController with modal segue
WKInterfaceController with modal segue
fixed the issue. Will look into that further I assume that you are friendly with NSNotificationCenter.At first, There is no way to access parent interface controller except when the parent controller is root controller.
TAG : objective-c
Date : November 15 2020, 09:01 AM , By : Jaepil Yun
Retrieving from (and sorting) an NSMutable Array
Retrieving from (and sorting) an NSMutable Array
Hope this helps This snippet of code will sort the contents of moviesArray by aReleaseYear, in ascending order:
TAG : objective-c
Date : November 13 2020, 09:01 AM , By : amit
what's the difference between self.view.widow and [[UIApplication sharedApplication] keyWindow] in Objective-C
what's the difference between self.view.widow and [[UIApplication sharedApplication] keyWindow] in Objective-C
With these it helps Your question is essentially addressed here:diffrence between [[[[UIApplication sharedApplication] delegate] window] and [[UIApplication sharedApplication].keyWindow?
TAG : objective-c
Date : November 13 2020, 05:43 AM , By : Neyroman
custom tableviewcell inside custom tableviewcell
custom tableviewcell inside custom tableviewcell
fixed the issue. Will look into that further You can do something like this to load nib where ever you want. For cell use this:
TAG : objective-c
Date : November 13 2020, 05:40 AM , By : Mukesh Mv
Classes owning their objects
Classes owning their objects
wish helps you Defining an instance variable creates a pointer that can be used to reference an instance. It doesn't create an instance for you. So, initially there is no origin.The if statement checks if the origin exists yet, and if not it creates
TAG : objective-c
Date : November 12 2020, 09:01 AM , By : Paulo Moreno
Linker command failed with exit code 1 (use -v to see invocation) objective-c
Linker command failed with exit code 1 (use -v to see invocation) objective-c
Hope that helps I found a solution after the problem kept re-occuring: I just replaced
TAG : objective-c
Date : November 11 2020, 09:01 AM , By : jackson
SceneKit follow camera?
SceneKit follow camera?
it helps some times What you've written will create a camera node a fixed distance from the robot, but you've done nothing to control where the camera points.Create an SCNLookAtConstraint whose target is the robot node. Attach that to the camera node
TAG : objective-c
Date : November 09 2020, 09:01 AM , By : Abdulaziz Abdulbaset
Realm date range query in Objective-C
Realm date range query in Objective-C
fixed the issue. Will look into that further I'm not sure whether I understand your question correctly, the following code is what you want?To determine the date of the previous month, add NSDateComponet that has minus month to the date.
TAG : objective-c
Date : November 09 2020, 08:00 AM , By : Gaurav S
Presenting a view controller in tvOS
Presenting a view controller in tvOS
This might help you Found the correct answer: Mention Identifier in the tvOS storyboard, (not the same in iOS,) and then implement this code:
TAG : objective-c
Date : November 08 2020, 09:00 AM , By : Namrata Kumari
Dynamic Field Property Names Objective C
Dynamic Field Property Names Objective C
Does that help I'm pretty unsure, whether I did understand your Q correct. But simle KVC should solve your problem:
TAG : objective-c
Date : November 04 2020, 04:00 PM , By : sonali rai
clang: error: cannot specify -o when generating multiple output files
clang: error: cannot specify -o when generating multiple output files
wish helps you You have -isystem -isystem ... in the command line, check your Build Settings to see if you can find the problem.You can search your XCBuildConfigutation section of your .pbxproj (Everything between /* Begin XCBuildConfiguration sectio
TAG : objective-c
Date : November 04 2020, 04:00 PM , By : Jahidul Hasan Hemal
How to properly use a UIAlertAction handler in Objective-C
How to properly use a UIAlertAction handler in Objective-C
Hope that helps The + at the start of your alertWithTitle... method means it is a class method. When you call it, self will be the class OSAlertAllView, not an instance of type OSAlertAllView.
TAG : objective-c
Date : November 04 2020, 04:00 PM , By : Andy Williamson
A class gets unique property backing even if property backed by static variable
A class gets unique property backing even if property backed by static variable
I hope this helps . First of all: @property declares and only declares one (for readonly set) or two instance methods. In really no case it defines an instance variable or any other kind of variable.There is no reason to have instance methods for a g
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : Stackiotto
Extremely simple -- how to compare chars
Extremely simple -- how to compare chars
Hope that helps I shouldn't be struggling this much. I want to extract a character from a string and compare it to a char. Here's the offending line: , Change "=" to '='."=" is a C string.
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : Crow T. Robot
Memory issues with ARC on iOS and Mac
Memory issues with ARC on iOS and Mac
hop of those help? You have a serious memory leak. The docs for CGDisplayCreateImage clearly state:
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : Prabhu Masih
What are the circumstances that cause a @property to not automatically create an instance variable?
What are the circumstances that cause a @property to not automatically create an instance variable?
This might help you Remove the getter and setter to have automatic synthesis of the backing variable. When you supply both for the property, the assumption is that you're going to look after storage yourself.
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : masahx
NSManagedObject with Category and Delegate
NSManagedObject with Category and Delegate
I wish did fix the issue. Using @dynamic implies that the appropriate accessors will be created at run time. NSManagedObject does that for attributes of entities in the data model, but not for properties you declare. You could do this with some ObjC
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : Lipi Lapsiwala
AVSampleBufferDisplayLayer prohibited in tvOS
AVSampleBufferDisplayLayer prohibited in tvOS
wish helps you tvOS version 10.2 is finally allowing the use of AVSampleBufferDisplayLayer in Apple TV devices.(tvOS 10.2 is currently in beta when writing this post).
TAG : objective-c
Date : November 04 2020, 09:01 AM , By : Jan Gerard van der P
Change color of SCNNode/Geometry/Material
Change color of SCNNode/Geometry/Material
hope this fix your issue Change the geometry's material, using either -firstMaterial or (if it's a complicated object) the -materials array.
TAG : objective-c
Date : November 04 2020, 08:15 AM , By : Adam Williams
What's the difference between instance variable and temporary variable referenced in block?
What's the difference between instance variable and temporary variable referenced in block?
seems to work fine In your case you have this 2 variables of an object type, so your block should retain them in your case. But the major difference here is that testObject2 (Variable declared in the method scope) will be just retained, but when you
TAG : objective-c
Date : November 01 2020, 01:03 PM , By : clarissa kang
how can i set the Tag value For multiple buttons in a single Cell in tableView in ios
how can i set the Tag value For multiple buttons in a single Cell in tableView in ios
I wish did fix the issue. in my project i have 5 row in a TableView each cell having four button totally i have 20 buttons for this my requirement is i want set tag value for Each buttons like , try this
TAG : objective-c
Date : November 01 2020, 01:03 PM , By : Ramon Rivera
SKAction forces nodes through each other after collision
SKAction forces nodes through each other after collision
With these it helps Everything is pretty much explained in that link. If you are interested in physics simulation the only sanctioned way is to move all bodies through physics by applying forces or impulses, or by directly changing velocity vector. I
TAG : objective-c
Date : November 01 2020, 09:01 AM , By : Jimmy
How to store the returning value of an NSArray.objectAtIndex to an NSString variable
How to store the returning value of an NSArray.objectAtIndex to an NSString variable
Any of those help I'm new to programming using objective c, I've only used java in the past. I'm trying to code a quick hangman game and I've come across errors that for the life of me I can't find a solution to. , You have a simple typo. This line:
TAG : objective-c
Date : October 31 2020, 05:43 PM , By : Paul Collins
Swift bridging of an NSError function to a throwable function not working
Swift bridging of an NSError function to a throwable function not working
I wish did fix the issue. Not quite a bug, but admittedly an oddity.In Swift, it's not legal to have a function that's overloaded by whether it throws:
TAG : objective-c
Date : October 31 2020, 05:41 PM , By : Nhã Trần
Changing SKSpriteNode property via touchesBegan
Changing SKSpriteNode property via touchesBegan
this will help I was wondering if there was a more efficient way to changing the property of a SKSpriteNode in touchesBegan than my current method. The following is my method: , I found a solution:
TAG : objective-c
Date : October 31 2020, 01:52 PM , By : vishal raut
VKSDK : How to translate code to swift?
VKSDK : How to translate code to swift?
fixed the issue. Will look into that further From where do you have the Objective-C code above? I have quickly read over the frameworks.h file and did not find something like that.But I did find this:
TAG : objective-c
Date : October 31 2020, 01:47 PM , By : Kim Anh Truong Thi
Instagram API - Username instead of User-ID
Instagram API - Username instead of User-ID
it helps some times There is no direct way to get user photos by usernameFirst make a user search api request:
TAG : objective-c
Date : October 31 2020, 01:47 PM , By : Harshita Saripalli
Null value in Context in WKInterfaceTable didSelectRowAtIndex
Null value in Context in WKInterfaceTable didSelectRowAtIndex
To fix this issue The code below is what solved it for me. I created an array to store the MSManageObjects in the for loop. Then in the WKInterfaceTable didSelectRowAtIndex method I did an objectAtIndex: rowIndex on the array.
TAG : objective-c
Date : October 31 2020, 10:01 AM , By : TSM
Core Data fetch returns records other than/beyond setEntity
Core Data fetch returns records other than/beyond setEntity
I hope this helps you . As was speculated in the comments, it really seems the only theoretical explanation of this phenomenon is that Person is the parent entity of all the other entities. If in the model inspector, your entities look anything like
TAG : objective-c
Date : October 31 2020, 10:01 AM , By : Nafkujecel Macanaa S
How can I make the performance O(N) instead of O(N^2)?
How can I make the performance O(N) instead of O(N^2)?
it fixes the issue I'm trying to understand how to make the time complexity better for this problem: , Something like that?
TAG : objective-c
Date : October 31 2020, 05:57 AM , By : kito frog
NSURLSession not working on tvOS?
NSURLSession not working on tvOS?
To fix the issue you can do By default, when you create the task, it's suspended. You have to start the task by calling resume.
TAG : objective-c
Date : October 29 2020, 04:55 AM , By : Bharat Patel
Import Objective-c framework into Swift framework project
Import Objective-c framework into Swift framework project
With these it helps You need to import the Beaconstac framework in your umbrella header. That is, if you'd ordinarily use, e.g., import in an Obj-C bridging header, for a framework you need to put that in the umbrella header.See this chapter in Apple
TAG : objective-c
Date : October 28 2020, 08:10 AM , By : Ajay Kumar patel
NSPopover with a NSTextField shows the text field with an opaque background as it's opening, and then goes transparent a
NSPopover with a NSTextField shows the text field with an opaque background as it's opening, and then goes transparent a
hope this fix your issue Resolved the issue, in interface builder had to check the view and label in the "View Effects Inspector", which sets wantsLayer = YESProbably could be done programmatically too
TAG : objective-c
Date : October 25 2020, 07:20 PM , By : HAV
Play a sound for a specific period of time
Play a sound for a specific period of time
like below fixes the issue check this one: How can I use AVAudioPlayer to play audio faster *and* higher pitched?It says you can change the .rate property of an AVAudioPlayer to play it faster.
TAG : objective-c
Date : October 25 2020, 07:18 PM , By : Brad Johansen
How to change DateFormatter to timeStamp in Objective-C?
How to change DateFormatter to timeStamp in Objective-C?
With these it helps First covert the date string to NSDate, then use timeIntervalSince1970 to get the timestamp.
TAG : objective-c
Date : October 22 2020, 02:00 PM , By : CoderDayton
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