How can I scan barcodes on iOS? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 9 months ago. The community reviewed whether to reopen this question 9 … Read more

What’s a redirect URI? how does it apply to iOS app for OAuth2.0?

Beginner programmer here, please pardon ignorance & explanations will be really nice 🙂 I’ve tried to read the tutorials for a certain OAuth 2.0 service, but I don’t understand this redirect URI… in my particular context, let’s say I’m trying to build an iPhone app that uses OAuth 2.0 for some service. I have an … Read more

Background image jumps when address bar hides iOS/Android/Mobile Chrome

I’m currently developing a responsive site using Twitter Bootstrap. The site has a full screen background image across mobile/tablet/desktop. These images rotate and fade through each, using two divs. It’s nearly perfect, except one issue. Using iOS Safari, Android Browser or Chrome on Android the background jumps slightly when a user scrolls down the page … Read more

Handling applicationDidBecomeActive – “How can a view controller respond to the app becoming Active?”

I have the UIApplicationDelegate protocol in my main AppDelegate.m class, with the applicationDidBecomeActive method defined. I want to call a method when the application returns from the background, but the method is in another view controller. How can I check which view controller is currently showing in the applicationDidBecomeActive method and then make a call … Read more

Warning :-Presenting view controllers on detached view controllers is discouraged

In my app, I am using a navigation controller. Later on in some view I am using presentViewController for showing a zoomed image. Also I am not using a Storyboard or nib. I am getting this error in iOS 7 only. It works fine in iOS 6 and earlier: Presenting view controllers on detached view … Read more

Validation Error: Invalid Bundle. The bundle at … contains disallowed file ‘Frameworks’

I’m trying to submit an app with the Xcode 6 GM, and I get this error on validation. The app has an action extension and a dynamic framework that’s shared between the extension and the app itself. I don’t have a file called ‘Frameworks’ anywhere in the project, so I’m really not sure what this … Read more