ios Questions

iOS: error message "[TwitterKit] did encounter error with message "Error obtaining user auth token.": Error Domain=TWTRLogInErrorDomain Code=-1 " – Twitter API

October 30, 2017
ΩlostA
5 Answers

I don't success to use the Twitter API connection in iOS with Objective-C. I use that codes: [[Twitter sharedInstance] logInWithCompletion:^ (TWTRSession *session, NSError *error) { if (session) { NSLog(@""); }}]; In my AppDelegate: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //Twitter…

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How to adjust a color image like a scanned image – Photoshop

September 25, 2017
DisKono
2 Answers

I want to make a effect that a colored normal image to a scanned image. like 2 pictures below, first image is the original image, second image is the adjusted image, effects should like the second image, the text on…

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Why or when does an app need a server? – Ebay API

September 6, 2017
user4061888
2 Answers

I have been searching for a proper answer to this question, have a bit of background in front end development, but with new concepts like SaaS, PaaS, etc. want to get information from experts out there, that could help any…

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How to save and read Facebook AccessToken in UserDefaults? – Facebook api

August 8, 2017
Alex9494
3 Answers

I use FirebaseAuthUi to manage authentication in my app. When users are logged in, I need their Facebook access token to make a graph request. It works fine the first time users log in, but when the app is re-launched…

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ARKit Perspective Correction – Photoshop

August 3, 2017
Brad Dwyer
2 Answers

I'm working on a project with ARKit and I'm trying to do a perspective correction of the ARFrame.capturedImage to orient a piece of paper sitting on a detected plane so I can feed that into a CoreML model which expects…

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Reload UICollectionViewCell which has image – Facebook api

July 27, 2017
iUser
2 Answers

I am trying to create something like Facebook NewsFeed where, I am using custom UICollectionViewCell to display data (Text/Image) from JSON. I have 2 different APIs. One for text and another for images(Every cell doesn't have image). So, First of…

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How to make a drop shadow effect on a label in Swift? – Photoshop

July 12, 2017
Rasmus Rossen
7 Answers

I can't figure out how to code a drop shadow on a label. I have a score label that changes so just photoshopping text with shadows wont be possible. I need to code it so it automatically has a blurry…

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Trying to get SF Pro Display Thin Italics on iOS – Photoshop

July 11, 2017
Evan Green
4 Answers

I am writing an iOS app in Swift, and I want to use the system font, SF Pro. However, I can't seem to figure out how to set the font weight at the same time as making the text italic.…

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How to pass to URLSession.shared.dataTask called in a loop? – Plesk

July 5, 2017
Varun Naharia
2 Answers

I am downloading image from server and when image is downloaded I have to save that image in coredata with id. Here is the code for actionDict:JSON in actionData { if(actionDict["ProtocolImage"].stringValue.isValidURL()) { URLSession.shared.sessionDescription = "(actionDict["Id"].intValue)" URLSession.shared.dataTask(with: URL(string: actionDict["ProtocolImage"].stringValue)!, completionHandler: {…

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Can't get access token in Xcode Swift Facebook login SDK – Facebook api

June 2, 2017
markhorrocks
4 Answers

I'm trying to test Facebook SDK login in my app but keep getting this error. I see a dialog which accepts my email and password to login and then tells me I have already accepted the app. I should see…

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