Webandcrafts Android Developer Interview Questions, Process, and Tips

OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• OOP focuses on creating objects that interact with each other to solve problems.

• Objects have attributes (data) and methods (functions) that define their behavior.

• Encapsulation, inheritance, and polymorphism are key principles of OOP.

• Example: In a banking application, a 'Customer...read more

Dependency Injection is a design pattern where components are given their dependencies rather than creating them.

• Hilt is a dependency injection library for Android that simplifies the implementation of DI in Android apps.

• Hilt generates the necessary classes for DI at compile time, reducing boilerplate code.

• Hilt provides annotations like @HiltAndroidApp, @AndroidEntryPoint, and @Inject to facilitate DI in Android develo

Kotlin coroutines are a way to perform asynchronous operations in a sequential manner.

• Coroutines are lightweight threads that can be used to perform long-running tasks without blocking the main thread.

• They can be used to simplify asynchronous programming by allowing developers to write code that looks synchronous.

• Coroutines can be launched using 'launch' or 'async' functions.

• They can be cancelled using 'cancel' functio...read more

Modifiers in Jetpack Compose are used to apply styling, layout, and behavior to UI elements.

• Modifiers are used to modify the appearance, layout, and behavior of UI elements in Jetpack Compose.

• They can be used to add padding, alignment, background color, click listeners, and more to UI elements.

• Modifiers are composable functions that can be chained together to create complex UI layouts.

• Examples of modifiers include padd

LazyColumn is a vertically scrolling list that only composes and lays out the items that are visible on the screen.

• LazyColumn is part of Jetpack Compose, a modern Android UI toolkit.

• It is used to efficiently display large lists of items by only rendering the items that are currently visible on the screen.

• LazyColumn is similar to RecyclerView in traditional Android development.

• It automatically recycles items as they scr...read more