Networking & REST APIs (URLSession)

60 lessons in iOS Developer Essentials

• Resilient Fetch With Dedup And BackoffCode Quiz
• Retry Wrappers vs. Resource TimeoutsQuiz
• WebSocket Listener Drops MessagesCode Quiz
• Choosing Transport for a Live FeedQuiz
• Retries, Backoff, Timeouts & DedupSlides / Video
• Resilient URLSession: Retries, Backoff & DedupFlashcard
• Paginated Query Cache Key BugCode Quiz
• URLCache and Pagination Data LayersQuiz
• Exponential Backoff Sleep BugCode Quiz
• Timeouts and Cancellation in URLSessionQuiz
• Caching & Pagination in URLSession LayersFlashcard
• Caching, Pagination & Fetch LayersSlides / Video
• Certificate Pinning Fallback FlawCode Quiz
• HTTP/2, Pinning & Radio CostQuiz
• Retry Loop Ignores CancellationCode Quiz
• Resilient Retry & Idempotency DesignQuiz
• Retrying Authenticated RequestsCode Quiz
• Retrying Requests on Flaky NetworksQuiz
• Fetching JSON With URLSession dataTaskCode Quiz
• Fetching REST Data with URLSessionQuiz
• Mobile Transport & Security Deep DiveSlides / Video
• Resilient Networking DesignSlides / Video
• REST Fetching with URLSessionSlides / Video
• Mobile Transport & Security TradeoffsFlashcard
• Resilient Networking Design with URLSessionFlashcard
• REST Data Fetching in iOSFlashcard
• Loading, Error, and Empty StatesCode Quiz
• Handling UI States for Network CallsQuiz
• Async REST Call with URLSessionCode Quiz
• Async REST Calls with URLSessionQuiz
• Loading, Error & Empty StatesSlides / Video
• REST Calls with Async/AwaitSlides / Video
• Loading, Error & Empty StatesFlashcard
• REST Calls with async/awaitFlashcard
• Retry Loop Swallows CancellationCode Quiz
• Resilient HTTP Retries and BackoffQuiz
• Network Reliability: Retries, Timeouts & ConnectivitySlides / Video
• Network Reliability BasicsFlashcard
• Resilient HTTP on Flaky NetworksSlides / Video
• Resilient HTTP on Flaky NetworksFlashcard
• Auth Header and Flaky Connection ConfigCode Quiz
• Auth Tokens & Timeouts in URLSessionQuiz
• URLSession Fetch With Loading StateCode Quiz
• Handling Loading and Error States in URLSessionQuiz
• Auth Tokens & Resilient NetworkingSlides / Video
• URLSession Requests & Loading StatesSlides / Video
• Auth Tokens & Resilient RequestsFlashcard
• URLSession Requests & Loading/Error StatesFlashcard
• Handling URLSession Errors SafelyCode Quiz
• Detecting Network FailuresQuiz
• Fetching JSON with URLSessionCode Quiz
• Checking HTTP Status CodesQuiz
• Loading, Errors & Flaky NetworksSlides / Video
• REST APIs with URLSession BasicsSlides / Video
• Handling Loading, Errors & Flaky NetworksFlashcard
• REST Requests with URLSessionFlashcard
• URLSession Errors & Retry ResilienceSlides / Video
• REST Calls with URLSession & AsyncSlides / Video
• Handling Network Errors & RetriesFlashcard
• REST Calls & Async Responses in URLSessionFlashcard