Dec 21, 2021 swiftui

SwiftUI or StoryBoard what to choose

Today most of the iOS developer are confused on picking SwiftUI or storyboard. Most of the developer are familiar with Interface builder which is known as storyboard which usually uses the XIB . We hope to give the comparision between…

Nov 26, 2021 iOS

What is View Controller ? What is its lifecycle?

What is View Controller Life cycle in swift? Ans: View Controller Life cycle swift : View Controllers (VC) are the Controller part of the MVC(Model View Controller) triangle. They are responsible for controlling the view. Every time you want to…

Sep 20, 2021 interview

What is Core Data with Swift Interview Question

 What is Core Data in Swift ? Core Data Stack Core data with swift uses SqLite as  local DataBase Storage in iOS. it is the frameWork used to save, modify and track the data within our application. Core data allows…

Aug 28, 2021 interview

iOS push notification interview questions and Answers

Apple Push Notifications Interview Questions and Answers Here are the apple push notification interview questions for fresher and experience candidate.voip push notifications ios What is NSNotification?   An Object Which Contains information broadcast to registered observers that bridges to the notification.…

Aug 28, 2021 interview

iOS interview Questions swift and Answer : Part 3

 Technical swift interview Question and Answer for iOS developer: Part 3 iOS interview Questions swift and Answer for experience and fresher candidate iOS interview questions swift for experience student for preparation of job interview 1 .What is ARC (Automatic Reference…

Jul 14, 2024 iOS

20 Key Coding Patterns That Will Guide You Through

20 Key Coding Patterns That Will Guide You Through Anyone can master these incredible algorithmic strategies and really excel in coding interviews by using roughly 20 of these coding issue patterns that are compiled here. The idea behind these patterns…

Jun 29, 2024 dsa

Given an integer array nums, return all the triplets

 3Sum Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. Notice that the solution set must not contain duplicate triplets. Example 1: Input:…

Jun 28, 2024 iOS

Best Time to Buy and Sell Stock

Best Time to Buy and Sell Stock You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosing a different day in the future to…

Jun 28, 2024 dsa

Valid Parentheses

Valid Parentheses Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if: Open brackets must be closed by the same type of brackets. Open brackets must be closed in the correct…

Jun 27, 2024 iOS

Two Sum

1. Two Sum Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use the same element twice. You can return…

May 12, 2024 iOS

How to tell SwiftUI views to bind to nested ObservableObjects

In SwiftUI, you can bind views to nested ObservableObjects by passing those objects down through the view hierarchy. This allows child views to access and modify the properties of the nested observable objects. Here's a step-by-step guide: 1.Define Your ObservableObject…

May 11, 2024 iOS

How to hide keyboard when using SwiftUI?

In SwiftUI, you can hide the keyboard by resigning the first responder status of the current text field. There are a few ways to accomplish this: 1.Using UIApplication.shared.sendAction(_:to:from:for:): You can use the UIApplication method sendAction(_:to:from:for:) to send the resignFirstResponder action…

May 10, 2024 iOS

Load and navigating to next screen not working when coming back to screen in swiftui

Certainly! It seems like you’re facing an issue with navigation in SwiftUI when coming back from a subsequent screen. Let’s explore some possible solutions to address this problem: NavigationLink Approach: If you’re using NavigationLink to navigate to the next screen, ensure that…