Android Custom Views and Floating Windows with Kotlin

Creating highly interactive, custom user interface elements is key to making your mobile applications stand out. If you want to go beyond standard buttons and layouts to build floating widgets that respond to complex touch gestures anywhere on the screen, this course is for you. You will progress from understanding basic 2D drawing concepts to implementing a fully functional, draggable floating system widget. Through clear, step-by-step written explanations and code walkthroughs, you will learn how to bypass standard UI limitations and create custom interactive components. What you'll learn: 1. Understand the core lifecycle of custom views and the canvas drawing process. 2. Implement responsive touch event handling including drag, swipe, and fling gestures. 3. Configure system alert windows and manage overlay permissions safely. 4. Apply smooth physics-based animations to custom interface elements. 5. Optimize drawing performance to prevent frame drops and memory leaks. 6. Structure your custom UI code using clean, modern Kotlin conventions. The course begins with foundational concepts of 2D drawing, layout measurement, and touch dispatching. You will then apply these fundamentals to build a floating utility ball, learning how to manage window manager layouts, handle multi-touch interactions, and implement smooth snap-to-edge animations. This text-based course is designed for beginner-to-intermediate mobile developers who want to deepen their understanding of custom UI component design. A basic familiarity with programming concepts is recommended, but no prior experience with custom views is required. Start reading today to unlock the full potential of custom mobile user interfaces.