Compose

Schema Stitching and Federation

Learn the two main approaches to composing multiple GraphQL services into a single unified graph, and when to choose each.

Docker Compose Basics

Learn how Docker Compose defines and runs multi-container applications from a single YAML file, replacing long manual docker run commands.

Android & Jetpack Compose Interview Questions

A curated set of frequently asked Android and Jetpack Compose interview questions with precise, technically grounded answers spanning composition, state, and a…

Android & Jetpack Compose Quick Reference

A condensed reference of the core Jetpack Compose APIs, state tools, and architecture building blocks for fast lookup while coding.

Common Android & Compose Pitfalls

The recurring mistakes developers make with recomposition, state, coroutines, and lists in Jetpack Compose, and the concrete fixes for each.

Compose UI Testing

Compose UI tests drive composables through a semantics tree using finders, actions, and assertions, running on an instrumented device or Robolectric with a syn…

Kotlin Essentials for Compose

A focused tour of the Kotlin language features — lambdas, trailing lambda syntax, extension functions, data classes, and null safety — that make Jetpack Compos…

Modifiers in Compose

Modifiers are immutable, chainable objects that decorate or configure a composable's layout, appearance, and behavior — Compose's answer to layout params, styl…

Navigation Compose Basics

An introduction to the Navigation component's Compose integration — NavController, NavHost, and route-based destinations for moving between screens.

ViewModel Basics

What Android's ViewModel class does, how it survives configuration changes, and how to create and scope ViewModels correctly in a Compose app.

What Is Jetpack Compose?

Jetpack Compose is Android's modern toolkit for building native UI declaratively in Kotlin, replacing XML layouts with composable functions and a reactive reco…