Building Mobile Apps for the World's Most Popular Platform
Welcome to Android Development!
Learn to create apps for over 3 billion Android devices worldwide
Free and customizable mobile operating system by Google
Powers over 70% of mobile devices globally
Runs on phones, tablets, watches, TVs, and cars
Google Play Store with millions of apps
Did you know? Android was originally developed for digital cameras before becoming a mobile OS!
Pro Tip: Start with Kotlin - it's more enjoyable to write and easier to maintain!
Best part: Android Studio is completely FREE! ๐
Single screen with UI
Entry point for user interaction
Background operations
No user interface
Respond to system events
Handle broadcasts
Manage app data
Share between apps
Remember: These components work together to create a complete Android app experience!
Install Android Studio, configure SDK and emulators
Define requirements, create wireframes, plan architecture
Write code, create UI, implement features
Unit tests, UI tests, device testing
Build APK/AAB, upload to Play Store
Iterative Process: Development is cyclical - you'll repeat these steps as you add features and improvements!
Understanding how Android manages app states and memory
Communication between components and starting activities
SharedPreferences, SQLite, Room database
HTTP requests, JSON parsing, API integration
Google's design language for consistent UI
Unit testing, UI testing, debugging techniques
Begin with basic apps like calculators, to-do lists, or note-taking apps
Use Android Developer Documentation and official codelabs
Build small projects daily to reinforce your learning
Engage with Stack Overflow, Reddit r/androiddev, Discord servers
Follow Android development blogs and Google I/O announcements
Golden Rule: The best way to learn Android development is by building real apps!
developer.android.com
Comprehensive guides & API reference
Hands-on tutorials
Step-by-step projects
Udacity, Coursera
Kotlin Bootcamp
Coding in Flow, Philipp Lackner
Free video tutorials
Open source projects
Code examples
Android Architecture Samples
Best practices examples
Market Reality: Android developers are in high demand with competitive salaries ranging from $70k to $150k+ depending on experience and location!
Next Steps:
Download Android Studio โ Create your first "Hello World" app โ Start building your dream app! ๐ช