Are you ready to dive into the world of Android development using Kotlin?

We just posted a 10-hour Android course on the freeCodeCamp.org YouTube channel. Alexandru Cristian created this course. I will help you understand how to develop with Kotlin and Android.

This course will take you on a journey through:

• Collections such as lists, sets, and maps
• Generics and type parameters
• Lambda functions and scope functions
• Android Studio, its file structure, and XML design
• Android widgets like buttons, TextView, EditText, and more
• How to build a fully functional quiz application for Android devices.

The course is divided into several chapters, each focused on a specific topic, to provide a structured learning experience. Here’s a glimpse of the chapters included in the course:

1. Introduction
2. List, Set, Map
3. Mapping
4. Zipping and Association
5. Flatten
6. String Representation
7. Filtering
8. Test predicates – any(), none(), all()
9. Plus and Minus Operators
10. Grouping
11. Retrieve Collections Parts
12. Retrieve Single Elements
13. Aggregate Operations – sum(), count(), average(), minOrNull(), maxOrNull()
14. Comparable and Comparator
15. Binary Search
16. Generics – Type Parameters and Casting
17. Generics – Upper Bounds
18. Generics – Covariance and Contravariance
19. Generics – Type Erasure and reified keyword
20. Generics – Where keyword; and 2 Upper Bounds
21. Access Modifiers
22. Packages and Imports
23. Exceptions – Try Catch, Finally
24. Lambda Functions
25. Lambdas – it modifier
26. Scope Functions
27. Download Android Studio
28. Android Studio Presentation
29. Android File Structure
30. Android XML and Design
31. Android XML properties
32. Android – what does findViewById() function do?
33. String XML
34. Android Manifest
35. Android Button and TextView
36. Android Button OnClickListener
37. Android EditText
38. Android App – Convert Inches
39. Android App – Convert Inches 2
40. Android App – Change Color
41. Android Radio Buttons 1
42. Android Radio Buttons 2
43. Android SeekBar
44. Android Toggle Button
45. Quiz App – UI Welcome Screen
46. Quiz App – Creating Question Model
47. Quiz App – Setting the QuizActivity
48. Quiz App – Connecting the UI with the model
49. Quiz App – Adding the Button functionality
50. Quiz App – Selecting the Right and Wrong answers
51. Quiz App – Setting up the UI for ResultActivity
52. Quiz App – Improve Code
53. Quiz App – Sending data to Result Activity
54. Quiz App – Solve score bug

This course is designed to give you a holistic understanding of Kotlin and Android development, with hands-on examples and real-world applications.

Watch the full course on the freeCodeCamp.org YouTube channel (10-hour watch).