Alok Singh Dev Notes ~Alok%20Singh%20Dev%20Notes

Apple's document camera on iOS 13+, a Vision rectangle-detection fallback for older devices, enhancing scans with Core Image, saving locally, sharing PNGs…

The three layers of haptic APIs, when to use each, building custom patterns with intensity and sharpness, AHAP files, looping and speed control, and two…

Separate the algorithm from the animation, record every step as data, then play it back with play, pause, speed and scrubbing, accessibly

From microphone samples to 'A2, +3 cents': session setup, an input tap, autocorrelation with vDSP, note maths, smoothing and tuning presets

How to normalise tags so they actually work, model bundled categories with user edits, copy to the pasteboard without tripping privacy prompts, and redesign…

Playing live and recorded video with AVPlayer, keeping darshan going in picture-in-picture, falling back gracefully when a stream is down, scheduling aarti…

One registry for every component, hosting UIKit inside SwiftUI with UIViewRepresentable, wrapping the system pickers, comparing UIKit and SwiftUI versions…

Samplers for pitched instruments, a player-node pool for drums, a multi-touch keyboard that handles chords and glissandos, and note names for beginners

Live audio passthrough in Swift: session setup, permissions, feedback, interruptions and route changes, from shipping an app that does exactly this

A complete walkthrough of the game loop: marbles that settle under real physics, finding touching same-colour clusters, a pause-safe countdown, lives and…

Signing in with ASWebAuthenticationSession and PKCE, storing tokens safely in the Keychain, calling networkReport:generate, decoding a streamed report,…

Bundling and importing a large library into SwiftData, picking a 'quote of the day' deterministically, search with recent queries, collections,…