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Top 20 Kotlin interview questions and answers 2025-2026

1️⃣ What are the key features of Kotlin? Answer: 2️⃣ Difference between val and var. Answer: 3️⃣ What are Data Classes in Kotlin? Answer: 4️⃣ Explain Null Safety in Kotlin. Answer: 5️⃣ Difference between == and ===. Answer: 6️⃣ What Read more…


Jetpack XR SDK: Scope, Usage & Real-Time Applications in Android XR

Jetpack XR SDK: The Future of Immersive Android Experiences Introduction The world of digital experiences is moving rapidly from flat screens to immersive environments. Augmented Reality (AR), Virtual Reality (VR), and Mixed Reality (MR) are no longer just futuristic ideas Read more…


Using KMP, a list Screen for both Android & iOS

Overview Below is a basic example using: Step-by-step Kotlin KMP List Example 1. Project Structure MyKMPApp/├── androidApp/ # Android native app├── iosApp/ # iOS native app (Swift)├── shared/ # KMP shared module└── build.gradle.kts # Root Gradle file 2. shared Module Read more…


Basic layout design using swiftUI for iOS mobile application

SwiftUI provides a powerful and intuitive way to design layouts for iOS applications using declarative syntax. The basic building blocks of a SwiftUI layout include VStack, HStack, and ZStack, which allow developers to arrange views vertically, horizontally, or by layering Read more…


What is SwiftUI? What is the purpose of SwiftUI? it’s benefits?

SwiftUI is Apple’s modern framework for building user interfaces across all Apple platforms — iOS, iPadOS, macOS, watchOS, and tvOS — using Swift. It was introduced in WWDC 2019 to simplify UI development and make code more declarative (you describe Read more…


How MediaQuery & LayoutBuilder used in adoptive design in Flutter application?

When to use MediaQuery or LayoutBuilder MediaQuery.sizeOf(context):Purpose: To get the overall screen size (width and height).When to Use:When you need to know the device’s screen dimensions.When you want to create layouts that are relative to the screen size (e.g., a Read more…


Sample Flutter App to Take Camera Picture

Taking a pic through a mobile camera is a very common phenomenon. In this topic, we would see how to implement a camera app in Flutter. Let’s start on it. pubspec.yaml dependencies version: 1.0.0+1environment: sdk: ^3.6.0# Dependencies specify other packages Read more…


Viper Architecture in Android Application


What are Kotlin Scope Functions? How to use them?


What are scope functions in Kotlin? How to use them!!

Kotlin scope function ( let, run, with, apply, also ) Basically, these functions all perform the same action: execute a block of code on an objectWhen you call such a function on an object with a lambda expression provided, it Read more…