Philipp Lackner Courses

Models and Mappers With Presentation/Domain/Data - In-Depth Guide

Discover how to implement models and mappers across presentation, domain, and data layers in Android/KMP architecture for clean, maintainable code separation.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

So Many New Kotlin and Compose Features - Mobile Dev News September 2025

Discover the latest Kotlin, KMP, CMP, and Jetpack Compose updates shaping mobile development in this trending news roundup for September 2025.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Custom Design Systems in Jetpack Compose - THESE Are My Best Practices

Discover best practices for building custom design systems in Jetpack Compose, covering Material3 dependencies, component reusability, and system architecture decisions.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

FAQ About Side-Loading, New Compose Version and More - Mobile Dev News October 2025

Discover the latest mobile development updates including Compose Multiplatform 1.9.0, Kotlin 2.2.20, Android Studio features, and side-loading policies in this September news roundup.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Threads vs. Kotlin Coroutines vs. Dispatchers - The Last Video You'll Need

Master the fundamental differences between threads, Kotlin coroutines, and dispatchers with detailed explanations of blocking code, multithreading, parallelism, and suspending functions.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Split Buttons in Material3 Expressive - Full Guide

Master the new SplitButtonLayout composable in Material3 Expressive to create dual-action buttons with primary actions and dropdown menus for enhanced Android UI design.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Build Your First Compose Multiplatform Web App

Discover how to build web applications using Compose Multiplatform, exploring CMP for web development and understanding the key differences between Kotlin/JS and Kotlin/Wasm technologies.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

The NEW Material3 Expressive Motion Physics Animation System

Discover Material3's new MotionScheme and implement expressive and standard animation styles in your Android apps with practical examples and physics-based motion systems.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Introduction to Spring Boot for Android Developers in 15 Minutes

Discover how to transition from Android/KMP development to backend with Spring Boot and Kotlin in just 15 minutes of practical guidance.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Multi-Module Architecture in KMP for Beginners - Kotlin Multiplatform

Discover multi-module architecture fundamentals in Kotlin Multiplatform, exploring how to structure KMP projects with modular design patterns for better code organization and scalability.

• YouTube
• 18 minutes
• Self-Paced
• Free Video

Everything About Context Parameters in Kotlin

Master context parameters in Kotlin, exploring this new feature's practical applications and understanding when to use them effectively in your development projects.

• YouTube
• 17 minutes
• Self-Paced
• Free Video

Validating Requests With Spring Validation - Spring Boot Basics With Kotlin

Master Spring Validation framework to validate request bodies and create custom validation constraints with annotations in Spring Boot using Kotlin.

• YouTube
• 16 minutes
• Self-Paced
• Free Video

Mobile Dev News - Kotlin Ecosystem Updates December 2025

Discover the latest Kotlin ecosystem updates from November 2025, including Navigation 3 stability, CMP 1.10.0 Beta02, Compose Stability Analyzer, and Google Play Console changes.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

Nav2 vs. Nav3 - Which Library for a Production Android App in 2026?

Discover which Jetpack Compose navigation library to choose for production Android apps in 2026, comparing Nav2 vs Nav3 features and getting expert recommendations.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

What Really Is Structured Concurrency in Kotlin - Android Coding Interview Q&A

Master structured concurrency in Kotlin to ace your Android coding interviews with clear explanations and practical insights.

• YouTube
• 11 minutes
• Self-Paced
• Free Video