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Master putting together the puzzle pieces world-class apps are made of – and worry less about unexpected bugs and spaghetti code.

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Do you think architecture on Android is about MVVM, MVI or clean architecture? All those paradigms are built on top of the same fundamental architectural principles. Understand these fundamental principles and you understand every specific pattern out there.
With this course, you get full access to the app’s designs on Figma – which we will frequently reference during the course, so you learn how you can take real-world requirements and transform them into a high-performing app that meets them.
At some point, putting together a solid architecture is about nothing more than a set of rules your mind intuitively combines. This course prepares you to get to this point, so you can architect apps from scratch intuitively.
You can’t learn proper architecture without practicing that at a somewhat complex app using various technologies. The app you learn to build in this course teaches you concepts like multi-table databases, voice recording, audio playback, file storage, preferences and more – all put together with a solid architecture.

Philipp Lackner has over 14 years of experience in the software field. Over the past years, he built a following of over 250,000 developers on social media who trust his work. With over 25,000 sold copies of his courses and 1,000h+ spent for teaching Android concepts, he already helped hundreds of thousands people to learn practical skills they can immediately apply.
He has a degree in computer science, however it didn’t go as expected. The amount of theory that was taught in university made him think about a better approach to learn what is really needed in the real world. Over time, Philipp found mentors who taught him exactly that in a practical setting. That was the game changer for his career.
After having worked for dozens of companies around the globe as a consultant, Philipp now wants to teach other Kotlin developers what really counts for becoming an outstanding developer in today’s competitive industry.
Of created Android content
Enrolled students
Years of software dev


Learn about the most fundamental architectural principles, like modular design, separation of concerns, SOLID principles and more.
You’ll learn to build a custom UI as well as components using the Jetpack Compose canvas to build fully customized UI according to Figma designs.
Learn to correctly use the MediaRecorder API from Android to make crisp voice recordings.
Use Android’s MediaPlayer to play voice memos you’ve recorded before – with a gradual playback process and visualizing audio amplitudes!
Learn how you best combine storing larger files on a database while leaving their meta data in a dedicated local database.
Implement a local database with multiple tables and many-to-many relations using the Room framework.
Customized home screen widgets in Jetpack Compose with the Glance API – learn it in this course!
Crucial topic, but ignore by most Android developers. Learn about how you prevent your app from losing its important state.
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Martin Kiper convinced his interviewers thanks to Philipp’s courses.
Real-world insights, structured learning, and expert mentorship that transform careers.
"This course brought me back on track really fast and Philipp really took care to convey general knowledge that can be applied on every Android project."
Matthias Kerat
"I have been using modularization for a long time, but I learned new cool stuff and tricks in your course that will change my way of thinking about how I should design my code."
Amer Hadi
"What’s unique about Philipp, that he cares about those who are looking for help, he answers to PM’s, I’ve never had experience like that."
Ozzy
"Your course let me also the opportunity to enhance my jetpack compose and unit test skills . So, I can consider me super satisfied. Please, don’t stop mentoring."
Vitanio Daniele
"Taking any of Philipp’s courses makes you go from 0 to almost 100 in understanding the concepts in no time. He explains the basics so well and teaches real world application use cases."
Messy Limes
"I’ve had struggles working with big projects, but after this course I feel so much more confident in my skills in building large robust apps."
Luka Luković
"I recently completed this course, and I couldn't be more thrilled with the experience! This course exceeded my expectations in every way. Philipp's real-world experience was evident. He covered everything from Ul design to integrating APls and managing databases,... Overall, this course was an incredible learning journey. I highly recommend it to anyone looking to start or advance their career in Android development!"
Erdem Kaya
"Philipp is an amazing developer who explains the most difficult topics in a way that's digestible and it stays with you. Everything is through practical examples. He's someone you'd want to go to, to understand something that you can't understand"
Omer Quadri
"This is one of the best courses for android development I have taken, not only we get to learn a lot but we also get an insight of where the industry is heading and how to approach problems and projects."
Jose Agustin Reinoso

Make a one-time investment and gain skills that last forever

