Category: Xcode

  • Apple Mach-O Linker error – Xcode 6 Beta 6

    After downloading Xcode 6 beta 6, If you are receiving Apple Mach-O Linker error, Undefined symbols for architecture then try clearing the DerivedData for Xcode. Undefined symbols for architecture x86_64: “__TFSs26_forceBridgeFromObjectiveCU__FTPSs9AnyObject_MQ__Q_”, referenced from: Derived data folder location You find out the location of derived data using Xcode Preferences. Click Xcode -> Preferences. Click Locations tab…

  • Quotes app – Simple page based application in Swift

    This is a very basic tutorial on how to create a simple page based app in Swift. We are going to use Page Based Application project template for displaying quotes in different pages.   Create Page-Based Application in Swift Click Xcode File menu, navigate to New and select Project from sub menu list. Select Page-Based…

  • Internationalization and localization of Apps in Xcode 6 and Swift

    Internationalisation and Localization of apps is essential when you want the apps to seamlessly support different languages and region. Internationalization refers to process of providing a framework to the app for supporting multiple languages. And Localization refers to the process of making your app to support a particular locale such as German In this tutorial,…

  • UIGestureRecognizer in Swift

    In this short tutorial, we will see the steps required for implementing UIGestureRecognizer in Swift programming language. Let us take the previous Stop Watch demo code and implement tap, double tap and swipe gestures. You can download source code for Stop Watch from here. The following features will be implemented using the UIGestureRecognizer. Tap –…

  • Simple StopWatch app in Swift

    In this tutorial, we will see the steps for creating simple StopWatch app in Swift Programming language as shown in the below screenshot. Click File menu -> New -> select Project from menu list. Choose the template as Single View Application and click Next button. Enter name of the Product, Language as Swift then click…

  • How to rename project in Xcode

    Xcode provides users with the option to rename the project. You can do this in Xcode 6 and Xcode 5 by following the below mentioned steps. Navigate to Project Navigator, select the Project. After entering the new name for the Project, press Return on the Keyboard. In this example, I am changing the name of…

  • Insertion Sort

    Insertion Sort algorithm does the following Keeps the sorted numbers from left to right. Compares the left with right and interchanges the number if left is greater than right. Here is code snippet of Insertion Sort in Swift. [code language=”swift”]var inputArr:[Int] = [Int]() // generate random numbers for rIndex in 0..<10 { inputArr.append(((Int(arc4random()) % 100)))…

  • Reverse a String in Swift

    Here is a simple code snippet written in Swift programming language for reversing a string. import Cocoa //Assigning a value to a String variable var str = “Hello, playground” //Create empty character Array. var strArray:Character[] = Character[]() //Loop through each character in the String for character in str { //Insert the character in the Array…