In this post, we will see how to use the new component AnyLayout introduced in SwiftUI 4.But first of all, what is AnyLayout?From Apple developer web site:“Use an AnyLayout instance to enable dynamically changing the type of a layout container without destroying the state of the subviews”In a nutshell, with AnyLayout we can switch for example between… Read More »
In this post, we will see how to use the new NavigationStack that has substituted the old NavigationView. We start creating an iOS project and then, we add three Swift files called User, Core and UserType.The first one is our Model, the second one is the Business layer and finally UserType is the UI: [USER.SWIFT]… Read More »
In this post, we will see how to use Core Data in an iOS project.But first if all, what is Core Data?From Apple web site:“Core Data is a framework that you use to manage the model layer objects in your application. It provides generalized and automated solutions to common tasks associated with object life cycle… Read More »
In this post, we will see how to save a list of objects into UserDefaults. First of all, we create a new Swift project and we add a Struct called Person: [PERSON.SWIFT] Then, we define a Class called People, used to save and load data from UserDefaults: [PEOPLE.SWIFT] Now, we create a SwiftUI View file… Read More »
Swift – Class (Part I) MULTIPLE INITIALIZERS If we run this code, these will be the results: DEINITIALIZERDeinitialization is a process used to deallocate the memory space before a class instance deallocated. The ‘deinit’ keyword is used to deallocate the memory spaces occupied by the system resources. If we run this code, these will be… Read More »
In this post, we will see how to use Struct in Swift.But first of all, what is a Struct?:From Apple web site: “Use structures to represent common kinds of data. Structures in Swift include many features that are limited to classes in other languages: They can include stored properties, computed properties, and methods. Moreover, Swift… Read More »
In this post, we will see how to use Throwing functions to handle errors in our code. We start opening Xcode and we create a Playground file called Errors where, we will define a simple method “Divide” to divide two number greater than 1: If we run the code, this will be the result: The… Read More »
In this post, we will see how to consume a Rest API in Swift.We will use a Rest API that it will get us the list of the annual holiday in Italy for the 2022. We open Xcode and we create a new iOS app called TestWebAPI where, we will define our MVVM components: [MODEL… Read More »
In this post, we will see how to implement MVVM pattern in SwiftUI.But, what is MVVM pattern?From wikipedia:“Model–view–viewmodel (MVVM) is a software architectural pattern that facilitates the separation of the development of the graphical user interface (the view) – be it via a markup language or GUI code – from the development of the business logic or back-end logic (the model) so that the view is not dependent on any… Read More »