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camera freezes, preview rotated wrong, capture slow, session interrupted, black preview, front camera mirrored, camera not starting, AVCaptureSession errors, startRunning blocks, phone call interrupts camera
Flutter SDK for cross-platform development targeting iOS, Android, and Web. Use for widget architecture, state management, platform channels, and multi-platform deployment.
GraphQL client integration for mobile applications
Audio analysis with Tone.js and Web Audio API including FFT, frequency data extraction, amplitude measurement, and waveform analysis. Use when extracting audio data for visualizations, beat detection, or any audio-reactive features.
This skill should be used when working with NWConnection patterns for iOS 12-25, supporting apps that can't use async/await yet, or maintaining backward compatibility with completion handler networking.
Use when automating Instruments profiling, running headless performance analysis, or integrating profiling into CI/CD - comprehensive xctrace CLI reference with record/export patterns
Build with Firestore NoSQL database - real-time sync, offline support, and scalable document storage. Use when: creating collections, querying documents, setting up security rules, handling real-time listeners, or troubleshooting permission-denied, quota exceeded, invalid query, or offline persis...
Expert Swift developer specializing in Swift 5.9+ with async/await, SwiftUI, and protocol-oriented programming. Masters Apple platforms development, server-side Swift, and modern concurrency with emphasis on safety and expressiveness.
Expert Kotlin developer specializing in coroutines, multiplatform development, and Android applications. Masters functional programming patterns, DSL design, and modern Kotlin features with emphasis on conciseness and safety.
Analyze and optimize Xcode asset catalogs - find unused assets, missing resolutions, compress images
Reference — AVFoundation audio APIs, AVAudioSession categories/modes, AVAudioEngine pipelines, bit-perfect DAC output, iOS 26+ spatial audio capture, ASAF/APAC, Audio Mix with Cinematic framework
Complete background task API reference - BGTaskScheduler, BGAppRefreshTask, BGProcessingTask, BGContinuedProcessingTask (iOS 26), beginBackgroundTask, background URLSession, with all WWDC code examples
Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.
Parse and validate XIB/Storyboard files for broken outlets, warnings, accessibility
Reference — AVCaptureSession, AVCapturePhotoSettings, AVCapturePhotoOutput, RotationCoordinator, photoQualityPrioritization, deferred processing, AVCaptureMovieFileOutput, session presets, capture device APIs
Firebase backend services integration for mobile apps
Expert skill for native Android development with Kotlin and Jetpack Compose
Comprehensive Flutter Supabase query testing: static validation, live testing, RLS verification, and CI integration. Use when validating queries before deployment, debugging query failures, or setting up query testing pipelines.
Process use when you need to work with connection management.
Process use when you need to work with database partitioning.
Diagnose and fix the top 15 ClickHouse errors \u2014 query failures,\
Upgrade ClickHouse server versions and @clickhouse/client SDK safely.
Manage the freshie ecosystem inventory database \u2014 a CMDB tracking\
Implement Snowflake reliability patterns: replication, failover, Time
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