Foundation

Access essential data types, collections, and operating-system services to define the base layer of functionality for your app using Foundation.

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General: TN3151 Choosing the right networking API Networking Overview document — Despite the fact that this is in the archive, this is still really useful. TLS for App Developers DevForums post Choosing a Network Debugging Tool documentation WWDC 2019 Session 712 Advances in Networking, Part 1 — This explains the concept of constrained networking, which is Apple’s preferred solution to questions like How do I check whether I’m on Wi-Fi? TN3135 Low-level networking on watchOS Adapt to changing network conditions tech talk Foundation networking: DevForums tags: Foundation, CFNetwork URL Loading System documentation — NSURLSession, or URLSession in Swift, is the recommended API for HTTP[S] on Apple platforms. Network framework: DevForums tag: Network Network framework documentation — Network framework is the recommended API for TCP, UDP, and QUIC on Apple platforms. Network Extension (including Wi-Fi on iOS): See Network Extension Resources Wi-Fi Fundamentals Wi-Fi on macOS: DevForums tag: Core WLAN Core WLAN framework documentation Wi-Fi Fundamentals Secure networking: DevForums tags: Security Apple Platform Security support document Preventing Insecure Network Connections documentation — This is all about App Transport Security (ATS). Available trusted root certificates for Apple operating systems support article Requirements for trusted certificates in iOS 13 and macOS 10.15 support article About upcoming limits on trusted certificates support article Apple’s Certificate Transparency policy support article Technote 2232 HTTPS Server Trust Evaluation Technote 2326 Creating Certificates for TLS Testing QA1948 HTTPS and Test Servers Miscellaneous: More network-related DevForums tags: 5G, QUIC, Bonjour On FTP DevForums post Using the Multicast Networking Additional Capability DevForums post Investigating Network Latency Problems DevForums post Local Network Privacy FAQ DevForums post Extra-ordinary Networking DevForums post Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = "eskimo" + "1" + "@" + "apple.com"
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GyPTix: Your Private AI Companion GyPTix offers an intuitive and interactive interface for experimenting with GPT-based language models. Ask questions, get instant AI-powered answers—completely offline. Why Choose Gyptix? Absolutely FREE – No hidden costs or subscriptions. 100% Private – No personal data collection, ever. Your Data, Your Control – Nothing is stored or shared. No Internet Required – Works entirely on your mobile device. Local AI Engine – Runs independently without network access. True Offline Mode – Functions even in airplane mode. Enjoy seamless, secure, and private AI assistance—anytime, anywhere.
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Hello everyone, we are about to release our MacOS app "Changelog Publisher". The release candidate is now available for testing in TestFlight. We would be very grateful to anyone who would be interested in participating in the beta test for our MacOS app.
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I've built a very niche app - a safari and animal-spotting app. I'm finding it hard to get it into people's hands and when I do, people don't purchase. On top of being very niche, I also think there are problems with the flow on the app from the moment it is downloaded to the moment the first Destination is ready. I would really love some feedback from some fellow developers on how I can improve things to get more people to purchase in-app. Even though many of you have probably never gone on safari, you have a load of experience with app flow and that sort of thing. If you could put yourself into the shoes of someone planning to go on safari, your feedback would be priceless! What might you expect from a safari app? What might you do to prepare for a safari expedition? How can my app help with that preparation? You guys are my last hope. Regards, Ryan Ashton Well Spotted! Hong Kong
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TerraTrek brings simplicity to your journeys, making every step more enjoyable. Whether you’re exploring cities, trekking through forests, or navigating deserts, TerraTrek’s got you covered. Start your journey today and witness how adventure is truly made easy
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