Flutter Tutorial - 1/2 Fitness App UI (For Beginners) Let's build a nice-looking fitness app where you can watch workout videos of your personal trainer. ⚡ Social Media Twitter: @JohannesMilke Linkedin: @JohannesMilke Medium: @JohannesMilke ✌ Preview App Preview Course Preview ➜ Buy My Courses 📺 Watch Video YouTube video where the source code is explained. Subscribe YouTube channel.