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Android Networking

Master networking concepts and implementation in Android development from basics to advanced techniques

IntermediateSelf-paced12 modules0 available lessons

Your path, one skill at a time.

Android Networking is essential for modern app development. This comprehensive roadmap covers HTTP protocols, REST APIs, real-time communication, security, offline capabilities, and performance optimization. Learn to build robust, efficient, and secure networking solutions for Android applications.

What you’ll learn

  • Implement REST API integration with Retrofit
  • Handle network security and authentication
  • Build offline-first applications with caching
  • Implement real-time communication with WebSockets
  • Optimize network performance and handle errors gracefully
  • Use modern networking libraries and best practices
  • Implement GraphQL clients
  • Handle file uploads and downloads efficiently

THE CURRICULUM

Build your knowledge, step by step.

82 lessons across 12 modules. Lessons marked “Coming soon” aren’t available yet.

01MODULE 01Networking Fundamentals7 lessons · Self-paced

Core networking concepts, HTTP protocol, and Android networking basics

  1. 01HTTP Protocol BasicsComing soon
  2. 02REST API PrinciplesComing soon
  3. 03Postman Crash Course: Methods (GET/POST/PUT/PATCH/DELETE), headers, bodies, auth, collectionsComing soon
  4. 04JSON and XML Data FormatsComing soon
  5. 05Android Networking OverviewComing soon
  6. 06Network Permissions and ManifestComing soon
  7. 07Practice: Basic HTTP Request (mirror your Postman call in OkHttp)Coming soon
02MODULE 02HTTP Client Libraries5 lessons · Self-paced

Learn different HTTP client libraries and when to use them

  1. 01HttpURLConnection OverviewComing soon
  2. 02OkHttp Client IntroductionComing soon
  3. 03Volley Library BasicsComing soon
  4. 04Choosing the Right HTTP ClientComing soon
  5. 05Practice: Implementing Different ClientsComing soon
03MODULE 03Retrofit Mastery10 lessons · Self-paced

Master Retrofit - the most popular networking library for Android

  1. 01Retrofit Setup and ConfigurationComing soon
  2. 02Creating API InterfacesComing soon
  3. 03Retrofit Annotations Deep DiveComing soon
  4. 04Converters: Gson vs Kotlinx Serialization (pick + configure)Coming soon
  5. 05Query Params, Path, Headers (incl. interceptors)Coming soon
  6. 06Multipart Requests & File UploadsComing soon
  7. 07Upload/Download Progress with Okio (streaming, progress callbacks)Coming soon
  8. 08Multiple Base URLs: 3 strategies (multi-Retrofit, dynamic @Url, interceptor URL-rewrite) + pros/consComing soon
  9. 09Custom Converters and Call AdaptersComing soon
  10. 10Practice: Build a client hitting 2 base URLs + upload with progressComing soon
04MODULE 04Asynchronous Programming6 lessons · Self-paced

Handle network calls asynchronously using various approaches

  1. 01AsyncTask (Legacy Approach)Coming soon
  2. 02RxJava with RetrofitComing soon
  3. 03Kotlin Coroutines for NetworkingComing soon
  4. 04LiveData and Repository PatternComing soon
  5. 05CompletableFuture IntegrationComing soon
  6. 06Practice: Async Network ImplementationComing soon
05MODULE 05Error Handling and Logging6 lessons · Self-paced

Implement robust error handling and network request logging

  1. 01HTTP Status Codes and Error TypesComing soon
  2. 02Retrofit Error HandlingComing soon
  3. 03Network Logging with InterceptorsComing soon
  4. 04Custom Exception HandlingComing soon
  5. 05User-Friendly Error MessagesComing soon
  6. 06Practice: Error Handling ImplementationComing soon
06MODULE 06Authentication and Security9 lessons · Self-paced

Implement secure authentication and protect network communications

  1. 01API Key Authentication (and why not hard-code)Coming soon
  2. 02Bearer Token Authentication (Authorization header)Coming soon
  3. 03OAuth 2.0 on Mobile: Auth Code + PKCE (concepts & flow)Coming soon
  4. 04JWT Basics: structure, claims, clock skew, expiryComing soon
  5. 05Access/Refresh Lifecycle: OkHttp Authenticator, 401 retry, token rotation & backoffComing soon
  6. 06Certificate Pinning & Network Security ConfigComing soon
  7. 07Secure Storage: EncryptedSharedPreferences / KeystoreComing soon
  8. 08Best Practices: rate limits, idempotency keys, replay protectionComing soon
  9. 09Practice: Secure Auth Flow with auto-refreshComing soon
07MODULE 07Caching and Offline Support8 lessons · Self-paced

Implement caching strategies and offline-first architecture

  1. 01HTTP Caching HeadersComing soon
  2. 02OkHttp Cache ImplementationComing soon
  3. 03Room Database for Offline StorageComing soon
  4. 04Cache-First vs Network-First StrategiesComing soon
  5. 05Repository Pattern for Data ManagementComing soon
  6. 06Offline Sync MechanismsComing soon
  7. 07Cache Invalidation StrategiesComing soon
  8. 08Practice: Offline-First AppComing soon
08MODULE 08Real-time Communication6 lessons · Self-paced

Implement WebSockets, Server-Sent Events, and push notifications

  1. 01WebSocket Protocol OverviewComing soon
  2. 02OkHttp WebSocket ImplementationComing soon
  3. 03Socket.IO for AndroidComing soon
  4. 04Server-Sent Events (SSE)Coming soon
  5. 05Firebase Cloud MessagingComing soon
  6. 06Practice: Real-time Chat AppComing soon
09MODULE 09GraphQL Integration6 lessons · Self-paced

Learn GraphQL concepts and implement GraphQL clients in Android

  1. 01GraphQL vs REST ComparisonComing soon
  2. 02Apollo Android Client SetupComing soon
  3. 03Writing GraphQL Queries and MutationsComing soon
  4. 04GraphQL SubscriptionsComing soon
  5. 05Caching with Apollo ClientComing soon
  6. 06Practice: GraphQL Client ImplementationComing soon
10MODULE 10Performance Optimization7 lessons · Self-paced

Optimize network performance, reduce bandwidth usage, and improve user experience

  1. 01Network Performance MetricsComing soon
  2. 02Request Deduplication & caching layersComing soon
  3. 03OkHttp Connection Pooling, Keep-Alive & HTTP/2 multiplexingComing soon
  4. 04Image Loading Optimization (Coil/Glide + caching hints)Coming soon
  5. 05Network Monitoring & Profiling (Profiler, logging)Coming soon
  6. 06Bandwidth-Aware Loading (metered networks, quality tiers)Coming soon
  7. 07Practice: Perf pass on an existing clientComing soon
11MODULE 11Testing Network Code6 lessons · Self-paced

Unit testing, integration testing, and mocking network calls

  1. 01MockWebServer for TestingComing soon
  2. 02Retrofit Testing StrategiesComing soon
  3. 03Network Layer Unit TestsComing soon
  4. 04Integration Testing with EspressoComing soon
  5. 05Mocking Network ResponsesComing soon
  6. 06Practice: Testing Network ImplementationComing soon
12MODULE 12Advanced Topics and Best Practices6 lessons · Self-paced

Advanced networking concepts, architecture patterns, and industry best practices

  1. 01Network Architecture PatternsComing soon
  2. 02Dependency Injection with NetworkingComing soon
  3. 03Network Security AuditingComing soon
  4. 04Performance Monitoring in ProductionComing soon
  5. 05Networking Best Practices ChecklistComing soon
  6. 06Final Project: Complete Networking SolutionComing soon