Understanding Align vs Positioned in Flutter Stack (With New Examples)

By | April 20, 2025

When working with layouts in Flutter, especially in overlapping scenarios, the Stack widget becomes your go-to choice. But within it, two powerful children stand out: Align and Positioned. Although they might seem to do similar things, their differences can significantly affect your layout behavior. Let’s walk through a new set of examples and explanations to better understand how these two… Read More »

How to create a list view in android using Kotlin?

By | April 10, 2025

Lists are common way of representing data in any mobile application. In this example I’ll create a list view of all countries using Kotlin for Android. This implementation will include the necessary components to display country names in a RecyclerView. First, let’s organize this into several parts: To set up this project, you’ll need to:… Read More »

Flutter and Abstract Classes: Clean Architecture with Transport Modes

By | April 10, 2025

Flutter development often involves designing clean, maintainable, and reusable code. One of the key tools in achieving that is abstract classes. In this article, we’ll explore how abstract classes work in Dart using a brand-new example focused on different modes of transport, with added clarity and use-case driven explanations. 🔍 What Are Abstract Classes? An abstract class is a… Read More »

Mastering the Dismissible Widget in Flutter: Building Intuitive Swipeable Interfaces

By | April 4, 2025

Flutter provides a robust and flexible toolkit to build beautiful and high-performing UIs for both Android and iOS applications. One of the widgets that help developers create intuitive and interactive UI components is the Dismissible widget. In this article, we’ll dive into the core functionality of the Dismissible widget, how it works, and how you… Read More »

What is responsive web design?

By | April 3, 2025

Responsive web design is an approach to web development that ensures a website adapts to different screen sizes and devices, providing an optimal viewing experience. Rather than creating separate websites for desktop, tablet, and mobile, responsive design uses flexible layouts, images, and CSS media queries to make a single website work well across all devices.… Read More »

How to use confirmationDialog in swiftUI?

By | March 27, 2025

In SwiftUI, confirmationDialog() is a view modifier that presents a confirmation dialog, offering a way to prompt users for confirmation before performing actions, especially those that might be irreversible or important. It’s similar to an alert, but it slides up from the bottom and allows for multiple buttons with different roles.  I’ll create a comprehensive example of using ConfirmationDialog… Read More »

What is init() in Python? Explain in detail.

By | March 26, 2025

The __init__() method is known as a constructor in object-oriented programming (OOP) terminology. It is used to initialize an object’s state when it is created. This method is automatically called when a new instance of a class is instantiated. Here is a comprehensive explanation of the __init__() method in Python with detailed examples. Let me break down… Read More »

30 Most Common Python Interview Questions and Answers.

By | March 19, 2025

Here are 30 of the most common Python interview questions along with concise answers and examples: 1. What is Python? Python is a high-level, interpreted programming language known for its readability and simplicity. It supports multiple programming paradigms including procedural, object-oriented, and functional programming. 2. What are the key features of Python? 3. What is… Read More »

30 most common SQL queries with examples

By | March 18, 2025

Here are the 30 common SQL queries with examples. These cover a wide range of database operations from basic to more advanced. Basic SELECT Queries Filtering and Conditions Aggregations and Grouping Joins Subqueries Data Modification Advanced Queries These queries cover the most common operations you’ll need when working with SQL databases. Each example can be… Read More »

How to implement service call in front end using react native to retrieve server data ?

By | March 13, 2025

I’ll walk you through implementing service calls in React Native to retrieve data from a server. First, let’s look at a basic implementation using the Fetch API, which is built into React Native: Now, here’s how you would use this service in a component: For more advanced needs, you might want to use Axios, which… Read More »

100 swift and swiftUI interview questions and answers with detailed explanation.

By | March 7, 2025

I’ve created a comprehensive list of 100 Swift interview questions and answers covering key iOS development topics. The questions are organized into several categories: Each question includes a concise answer followed by a detailed explanation that provides context, examples, and best practices. The content covers fundamental Swift concepts like optionals and type safety, advanced topics… Read More »

# Building a Smooth Animated Image Carousel in Flutter

By | March 4, 2025

Introduction A well-designed image carousel can greatly enhance the user experience in Flutter apps. In this article, we will create a **beautiful and interactive image slider** using **CarouselController**. We’ll add smooth animations, navigation buttons, and loading indicators to improve usability. Prerequisites To follow along, make sure you have Flutter installed. If you haven’t set it… Read More »

How to access photo in gallery and access camera in iOS swiftUI?

By | February 23, 2025

Here is a comprehensive implementation for accessing both the camera and photo gallery in SwiftUI. Here’s a breakdown of the key components: Main Features Permission Texts in Info.plist You’ll need to add these permission strings to your Info.plist file: Implementation Details Key Techniques Used This implementation follows best practices for iOS development, including proper permission… Read More »

How to load data in list in react native?

By | February 20, 2025

In React Native, you can load data into a list using components like FlatList or SectionList. Here’s a simple approach using FlatList. The sample implementation is as given below. Let me break down how this React Native code works for loading data into a list: 2. useEffect Hook: 3. fetchData Function: 4. renderItem Function: 5.… Read More »

How to pass data from swift to react native using emitter?

By | February 19, 2025

Passing Data from Swift to React Native Using Event Emitters To share data between your Swift native code and React Native JavaScript, you’ll need to use the React Native event emitter system. This creates a communication bridge between the native and JavaScript layers. Let me walk you through the process step by step. Setting Up… Read More »

How to implement persistent storage in swiftUI?

By | February 17, 2025

There are multiple ways to implement persistent storage in SwiftUI, including the key property wrappers for state management. Let me explain the key concepts demonstrated in this implementation: 1. @ObservableObject & @Published 2. @StateObject & @EnvironmentObject 3. Persistent Storage Implementation 4. Data Flow This implementation provides several benefits: Thank you for reading!

What are the built in shapes in swiftUI and how to use them?

By | February 8, 2025

SwiftUI supports some in-built shapes that are used to develop a custom design and user interface component. These shapes are easy to use and can customized in various style, colors, fills, transformations, etc.  2. Rectangle 3. Rounded Rectangle. SwiftUI also provide built-in RoundedRectangle() to create a rounded rectangle shape. The rounded rectangle is a very useful shape… Read More »

How different is swiftUI with respect to UIKit?

By | February 7, 2025

SwiftUI and UIKit are both iOS development frameworks, but they differ significantly: SwiftUI: Declarative UI design UIKit: Imperative UI construction 2. Code Complexity SwiftUI: Shorter, more readable code UIKit: More verbose, requires more manual configuration 3. Layout Approach SwiftUI: Uses modern compositional layouts with stacks and modifiers UIKit: Relies on Auto Layout and frame-based positioning… Read More »

How multi threading and concurrency is achieved in SwiftUI ?

By | February 5, 2025

SwiftUI handles concurrency and multithreading primarily through Swift’s native concurrency features and some SwiftUI-specific patterns. Here’s a comprehensive breakdown: These concurrency features are designed to work together seamlessly with SwiftUI’s declarative nature, ensuring that: The key is that SwiftUI abstracts away much of the complexity of traditional multithreading while providing powerful tools for handling asynchronous… Read More »

How to use GeometryReader for containing one view in another in swiftUI?

By | February 3, 2025

There are different ways to limit or constrain a subview within its superview in SwiftUI. ‘GeometryReader’ is one among those for relative sizing of the subviews in a view. We will see different ways of using ‘GeometryReader’ in below examples. 2. CenteredContentExample: 3. ResponsiveContainerExample: 4. ProportionalContainerExample: Key tips for using GeometryReader: a. Always account for… Read More »

Latest changes in swiftUI

By | February 2, 2025

Today we will take you through latest changes apple brought in swiftUI. Let me highlight some of the most significant practical changes that developers should focus on. Latest SwiftUI Changes and Features 1. Layout and View Enhancements New Layout Types Layout Modifiers 2. Data Handling Improvements Observable Pattern Data Flow 3. UI Components and Interactions… Read More »