Here is solution if you are trying to upload your app to Apple iTunes Connect but you are stuck in “Uploading to App Store – Authenticating with iTunes Store…” Message

It’s every app developers dream time when he develops and then uploads his app to Apple App Store using Xcode.

At that moment of time while uploading your app if you are stuck in one place where Xcode organiser says “Uploading to App Store – Authenticating with iTunes Store” & there is no further progress.

Then here is how to solve this!

Just open Terminal App from your Applications > Utilities > Terminal.

Paste below code in Terminal & hit return key.


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Here is how to change < Back button text of your Apple iOS App

While we use app development methodology like MVC (Model, View, Controller) we encounter problem while navigating from one view to another how to change text of back button which get populated automatically by Apple iOS Operating System.

You can use below method in viewDidLoad method of your root view:


navigationItem.backBarButtonItem = UIBarButtonItem(title: "Back", style: .plain, target: nil, action: nil)

Here is another way of doing the same which can be done in ‘prepare for segue’ method of your app:


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Here is how you can call method or function in FirstViewController.swift from another Class called SecondViewController.swift in your iOS or macOS project within Xcode

Here is situation in your Xcode project that you want to call method from another class swift file to your original class of swift file.

Let’s call your original swift class file ‘FirstViewController’ which has ‘UIViewController’ as super class.

Second swift that you want to call function from we will assume that it has ‘SecondViewController’ as class name & it has ‘UIViewController’ as super class.

You have written function called ‘printSomething()’ in your ‘SecondViewController’ that would be triggered when somebody taps on button present on ‘FirstViewController’ as IBAction called ‘printThis(sender: UIButton)’

So you will write printThis function as follows:


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Here is how to set a background color in UIimage using Swift Programming Language while developing app for iOS in Xcode. With addition to this here is list of UIColor predefined / preset component values in Xcode that you can use using dot operator

I will explain below how to set background color to UIimage while developing app for iOS.


Assumptions: I assume that you have already created Xcode project for iOS app development & you are using storyboards for developing the same. Also you have dragged UIimage View to your current ViewController.

Step 01: Now connect your UIimage View to your ViewController.swift file with code something like this


@IBOutlet weak var selectImage: UIImageView!

Step 02: Now in your desired function set your UIimage’s background color with following code using dot operator


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How to Change iOS Device’s (iPhone, iPad and iPod touch) Status Bar text colour using Swift Development Language in Xcode

Let’s get started & know what is the exact requirement before we proceed for solution.


Assumption: I assume that you want to have Status Bar text colour to be white as your Navigation Bar background is in dark colour. I also assume that you are developing your iOS app with latest version of iOS 9 or higher & latest version Swift & Xcode

Step 01: Click on your Project icon in your ‘Project Navigator’ tab in your respective projects left panel ‘Navigator’ tab.

Step 02: Select your project title under ‘Targets’

Step 03: Select ‘Info’ tab


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How to programmatically change iOS app’s global tint colour, Navigation / Toolbar / Tab Bar’s tint (i.e. Text & Icon Colour) & bar tint colour (i.e. Background colour) using Swift Language while developing app in Xcode

Let’s get to the root of this topic,

Case: A case where you are developing your iOS app & you want to use your custom colour to colorise global tint colour for text & icon in your respective app & you also want to change tint & bar tint colour for Navigation Bar / Tab Bar / Tool Bar in your app.


Assumption: I assume you are well worse with iOS development in Xcode, You have embedded navigation controller to your app storyboard’s respective view controller & you have added tab bar view controller or dragged toolbar to your app’s view controller. I also assume you are using Swift as your programming language.



Note: You will have to copy following code in your iOS App’s AppDelegate.swift file’s ‘didFinishLaunchingWithOptions’ function while developing the same app in Xcode.


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How to disable or remove close, minimise, resize button from Mac OSX App’s title bar while developing the same app in Xcode

While developing OSX App in Xcode you may want your Apps Window Controller should be without either close, minimise & resize button or all, Here is how to do it easily within Xcode.


Assumption: I assume you are using Storyboards while developing app in Xcode.

Step 01: Select Storyboard in left panel ‘Project Navigator’,


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How to fix iTunes store operation failed, App Sandbox not enabled error that you get while validating and uploading Mac OSX app to iTunes Connect via Xcode

After you are done with coding Mac OSX App you may want to upload the same to iTunes Connect to distribute it through Mac AppStore.


While validating your app archive before uploading it to iTunes Store you will get following error something like this stating: Archive validation failed due to the issue listed below. iTunes Store operation failed. App Sandbox not enabled. The following executable must include the “” entitlement with a Boolean value of true in the entitlement property list.

iTunes store operation failed app sandbox not enabled


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Disable a IBAction (id) sender button programatically in Xcode while developing app for iOS & OSX

While developing apps for OSX or iOS you will be wondering how to disable IBAction button programatically.

Here is how to do it.


Assumption: I assume you are using Storyboards for developing your apps within Xcode.

Step 01: Drag UIButton (iOS) or NSButton (OSX) on Storyboard. I Also assume that you have dragged three buttons on storyboard & you have named it as Start, Pause & Reset.


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How to programmatically set image to UIImageView or NSImageView in Xcode?

Here is how to programmatically set image to UIImageView in Xcode,

Step 01: In your Xcode project in storyboard drag UIImageView from object library (located at Xcode right utilities sidebar). Give it definite size & now note down it’s size on paper to create same size image in you choice of image editor.

Step 02: Connect UIImageView to respective header file with name e.g. imageView

Your code will look something like this:


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