Android app development course

Lesson 1 • Understanding the Android Ecosystem

Covers Android's architecture, platform versions, and market landscape. Establishes context for every technical decision made throughout the course.

Lesson 2 • Version Control Integration

Integrates Git into Android Studio for source control. Establishes professional workflow habits from the first day of development.

Lesson 3 • Creating and Running Your First Project

Walks through project creation wizards and project structure. Learners compile and run a Hello World app on an emulator.

Lesson 4 • Installing Android Studio

Guides installation of Android Studio and required SDKs on major operating systems. Ensures a consistent baseline environment for all subsequent labs.

Lesson 1 • Object-Oriented Programming in Kotlin

Teaches classes, inheritance, interfaces, and data classes. Directly maps to Android component design patterns used in later chapters.

Lesson 2 • Null Safety and Smart Casts

Explains Kotlin's null safety system and safe call operators. Prevents the most common Android runtime crashes before they occur.

Lesson 3 • Collections and Functional Operations

Covers lists, maps, sets, and functional operators like map and filter. Prepares learners to handle data sets returned from APIs and databases.

Lesson 4 • Kotlin Syntax and Basic Types

Introduces variables, data types, and type inference in Kotlin. Provides the language foundation needed before writing any Android-specific code.

Lesson 1 • XML Layout Fundamentals

Introduces XML syntax for defining UI and the layout editor tool. Connects visual design to the underlying view hierarchy Android renders.

Lesson 2 • Responsive and Adaptive Layouts

Teaches resource qualifiers for screen size, orientation, and density. Ensures UIs render correctly across phones and tablets.

Lesson 3 • Material Design Components

Introduces Material Design guidelines and the Material Components library. Elevates UI quality to meet modern Android design standards.

Lesson 4 • Core Layout Managers

Covers LinearLayout, RelativeLayout, and ConstraintLayout in depth. Learners choose the right layout manager for each UI scenario.

Lesson 1 • Fragment Lifecycle and Transactions

Teaches Fragment creation, lifecycle, and back-stack transactions. Enables modular UI composition reused across multiple activities.

Lesson 2 • Bottom Navigation and Drawer Patterns

Builds BottomNavigationView and NavigationDrawer patterns with the Navigation component. Delivers production-quality top-level navigation structures.

Lesson 3 • Intents and Activity Communication

Covers explicit and implicit Intents for launching activities and sharing data. Enables inter-screen and inter-app communication patterns.

Lesson 4 • Activity Lifecycle Deep Dive

Maps every Activity lifecycle callback and explains when each fires. Prevents data loss and memory leaks caused by lifecycle mismanagement.

Lesson 1 • SharedPreferences and DataStore

Stores and retrieves key-value data using SharedPreferences and Jetpack DataStore. Suitable for user settings and lightweight persistent state.

Lesson 2 • File Storage on Android

Explains internal and external storage scopes and file I/O APIs. Teaches correct storage permission handling introduced in modern Android versions.

Lesson 3 • SQLite Database Fundamentals

Introduces relational database concepts and raw SQLite usage on Android. Provides the foundation needed to understand Room's abstractions.

Lesson 4 • Room Persistence Library

Implements Room with Entity, DAO, and Database classes for type-safe SQLite. Replaces boilerplate SQLite code with compile-time-verified queries.

Lesson 1 • Retrofit Setup and Configuration

Configures Retrofit with a base URL, converters, and service interfaces. Provides the primary networking client used in professional Android projects.

Lesson 2 • JSON Parsing and Data Models

Maps JSON responses to Kotlin data classes using serialisation annotations. Ensures robust parsing that handles missing fields and type mismatches.

Lesson 3 • Coroutines for Async Networking

Introduces Kotlin coroutines and suspend functions for non-blocking network calls. Replaces callback-based patterns with readable sequential async code.

Lesson 4 • Android Networking Fundamentals

Covers HTTP basics, network permissions, and threading constraints on Android. Establishes why background execution is mandatory for all network calls.

Lesson 1 • Repository Pattern Implementation

Builds a Repository class that abstracts local and remote data sources. Creates a single source of truth consumed by ViewModels.

Lesson 2 • Dependency Injection with Hilt

Introduces Hilt for compile-time dependency injection across app layers. Reduces boilerplate and improves testability of ViewModels and repositories.

Lesson 3 • StateFlow and SharedFlow

Replaces LiveData with StateFlow and SharedFlow for Kotlin-first reactive state. Aligns the architecture with modern coroutine-based patterns.

Lesson 4 • Why Architecture Matters

Diagnoses problems in unstructured code and introduces separation of concerns. Motivates the architectural patterns adopted throughout this chapter.

Lesson 1 • UI Testing with Espresso

Automates UI interaction tests using Espresso on a real or virtual device. Catches regressions in user flows before each release.

Lesson 2 • Performance Profiling

Profiles CPU, memory, and energy usage with Android Profiler. Identifies and resolves performance bottlenecks before release.

Lesson 3 • App Signing and Store Submission

Generates a signed release APK and AAB and prepares store listing assets. Completes the full development-to-distribution pipeline.

Lesson 4 • Debugging Tools in Android Studio

Uses the debugger, Logcat, and Layout Inspector to diagnose runtime issues. Builds systematic debugging skills applicable to any Android problem.