Memory management in Swift is done by Automatic Reference Counting or ARC. Whenever a variables holds an instance of a object the memory count for that object increases by 1. And when variable become out of scope or set to nil, the memory count decreases 1. [code language=”swift”]class Teacher { var name: String? var course: […]
iPad
SplitViewController example in Swift
This is a beginners tutorial on SplitViewController using Interface builder with programming language as Swift. There are also some good articles available on SplitViewController, check them out as well – nhipster and whoisryannystrom. Create a new Single View Application. Choose Language option as Swift and provide a product name. Navigate to Main.Storyboard and select default […]
Enum in Swift
Enum group of related values to a single data type. Swift enum has lot of new features compared to its predecessor Objective-C. Let us see this with an example enum type for all Months in a year. enum Months { case January, February, March, April, May, June, July, August, September, October, November, December } […]
Tuples in Swift
Tuples in Swift allows user to assign group of values to a variable, constant and even return parameter of a function. In the below example, a employee constant is assigned Int and String values. And to access these parameters, we need to use .0 and .1 let employee = (103, “Deepak”) employee.0 employee.1 Now let […]
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, […]
Auto arrange Home screen icons on iPhone or iPad
This is a short tip on the steps required to auto arrange your apps on iPhone and iPad Home screen. This is useful when you have removed lot of unwanted apps on your device’s home screen and manually re-arranging the icons will be nightmare. Step 1: Access iPad or iPhone home screen and tap the […]
How to hide bookmarks bar in Safari on iPad
Safari browser on iPad, like any other PC or Mac browsers allows users to save webpage URL as bookmark. It also provides a separate Bookmarks Bar for easily accessing these saved URLs. Screenshot with saved bookmarks If you are not using the Bookmarks Bar on Safari then you have the option to turn off the […]
iPad App that prints Welcome Message
Here is an example of writing an iPad app that prints a Welcome message. Launch Xcode, click File -> New -> New Project. Now select the template for the project as Single View Application. Provide the details for your project, like Product Name, Company Name then choose the device for which you are writing the […]