Category: iOS
Apr 28, 2024 iOS
Calling functions from UIViewController in SwiftUI
Certainly! When working with SwiftUI, you might need to interact with functions from a UIViewController. Let’s explore a few approaches to achieve this: Using ObservableObject and Coordinator: Create an ObservableObject (let’s call it VCLink) to act as a bridge between your SwiftUI view and…
Apr 28, 2024 iOS
Share data between main App and Widget in SwiftUI for iOS 14
To share data between the main app and a widget in SwiftUI for iOS 14, you can use App Groups and UserDefaults to store and retrieve shared data. Here's a step-by-step guide on how to do it: 1. Enable App…
Apr 27, 2024 iOS
SwiftUI – How to pass EnvironmentObject into View Model
Certainly! When working with SwiftUI, you can pass an EnvironmentObject into a view model to share data across your app. Here are the steps to achieve this: Create an Environment Object: First, create an environment object that holds the data you want…
Apr 26, 2024 iOS
Returning data from async call in Swift function
To return data from an asynchronous call in Swift, you typically use closures, completion handlers, or async/await if you're using Swift 5.5 or later. Here are examples of each approach: Using Completion Handler: func fetchDataFromURL(_ url: URL, completion: @escaping (Result<Data,…
Apr 26, 2024 iOS
SwiftUI 2: the way to open view in new window
Certainly! In SwiftUI 2.0, you can open a new view in a separate window using the .openWindow environment key. Let’s break down the steps: Define Your App State: First, create an AppState that holds the selected book (or any other relevant data). For example: class…
Apr 25, 2024 iOS
Find the largest three elements in an array using swift
Swift Program to find the largest of three number in given array import Foundation var array = [54,-3,23,45,5,32] func getLargestofThreeNumbers(_ arr:[Int]) ->[Int]{ var first = 0 var second = 0 var thrid = 0 var large = [Int]() if arr.count…
Apr 24, 2024 iOS
Show a new View from Button press Swift UI
To show a new view from a button press in SwiftUI, you typically use a navigation stack and navigation link. Here's how you can achieve that: import SwiftUI struct ContentView: View { @State private var isShowingNewView = false var body:…
Apr 24, 2024 iOS
SwiftUI: How to make TextField become first responder?
Certainly! Making a TextField become the first responder in SwiftUI can be achieved using a few different approaches. Let’s explore them: Using @FocusState (iOS 15 and later): SwiftUI introduced the @FocusState property wrapper, which allows you to control which input field has focus. Here’s…