Total 55,220 skills, Mobile Development has 1686 skills
Showing 12 of 1686 skills
Flutter cross-platform development guide covering widget patterns, Riverpod/Bloc state management, GoRouter navigation, performance optimization, and platform-specific implementations. Includes const optimization, responsive layouts, testing strategies, and DevTools profiling. Use when: building Flutter apps, implementing state management (Riverpod/Bloc), setting up GoRouter navigation, creating custom widgets, optimizing performance, writing widget tests, cross-platform development.
VRChat World SDK 3 scene setup and optimization guide. Use this skill when configuring VRChat world scenes, placing SDK components, setting up layers, optimizing performance, or uploading worlds. Covers VRC_SceneDescriptor, spawn points, VRC_Pickup, VRC_Station, VRC_Mirror, VRC_ObjectSync, VRC_CameraDolly, layer/collision matrix, baked lighting, Quest/Android limits, and upload workflow. SDK 3.7.1 - 3.10.2 coverage. Triggers on: VRChat world, VRC SDK, scene setup, VRC_SceneDescriptor, spawn point, VRC_Pickup, VRC_Station, VRC_ObjectSync, layer setup, optimization, Quest support, light baking, upload, FPS improvement. Related: Use unity-vrc-udon-sharp for UdonSharp C# coding.
Integrate Game Center features using GameKit. Use when authenticating players with GKLocalPlayer, submitting scores to leaderboards, unlocking achievements, implementing real-time or turn-based multiplayer matchmaking, showing the Game Center access point or dashboard, or adding challenges and friend invitations to iOS games.
Guides the agent through general Ionic Framework development including core concepts, component reference, CLI usage, layout, theming, animations, gestures, development workflow, and troubleshooting. Covers all Ionic UI components grouped by category with properties, events, methods, slots, and CSS custom properties. Do not use for creating a new Ionic app (use ionic-app-creation), framework-specific patterns (use ionic-angular, ionic-react, ionic-vue), or upgrading Ionic versions (use ionic-app-upgrades).
React Native and Expo patterns for navigation, data fetching lifecycle, infinite scroll lists, form handling, state persistence, authentication routing, gesture-driven animations, bottom sheets, push notifications, and OTA updates. Use when building Expo/React Native apps that need screen-level data prefetching, auth guards with protected routes, infinite scroll feeds, native form input handling, offline-capable state persistence, platform-specific setup (focus/online managers), fluid animations and gesture interactions, modal bottom sheets, push notification flows, or over-the-air update strategies. Do not use for React web apps.
Guides the agent through an Apple App Store preflight review for Capacitor apps before submission or after rejection. Covers guideline checklist selection, App Store metadata review, Capacitor and iOS project inspection, privacy manifests, Sign in with Apple, entitlements, and common rejection patterns. Do not use for Google Play review, generic store publishing only, or non-Apple mobile runtimes.
Build, integrate, and troubleshoot SharePlay GroupActivities features, including GroupActivity definitions, activation flows, GroupSession lifecycle, messaging and journals, ShareLink and SharePlay UI surfaces, and visionOS spatial coordination. Use when implementing or debugging SharePlay experiences across Apple platforms, especially visionOS.
React Native Reanimated 4.x best practices, 60fps animation patterns, bug fixing, and code enhancement for Android and iOS. Use when writing, reviewing, fixing, or optimizing Reanimated animation code, gesture-driven interactions, worklets, layout animations, or shared element transitions. Triggers on tasks involving react-native-reanimated, useSharedValue, useAnimatedStyle, withSpring, withTiming, withDecay, Gesture.Pan, layout animations, worklet debugging, animation performance optimization, or troubleshooting janky animations. Also use when the user wants to fix animation bugs, enhance animation smoothness, review gesture code, or achieve 60fps on both Android and iOS. Also triggers when the user asks to review, audit, check, or upgrade their Reanimated code to best practices, or asks "is my animation code good", "check my reanimated code", "update to best practices", "review my animations", or similar requests.
Expert guidance for .NET MAUI Blazor Hybrid development combining native mobile/desktop apps with Blazor web UI. Use when working with: (1) .NET MAUI Blazor Hybrid apps, (2) BlazorWebView components, (3) Cross-platform apps sharing Blazor UI, (4) Platform integration in Blazor Hybrid, (5) MVVM with Blazor components, (6) Navigation between MAUI pages and Razor components, (7) Shared Razor Class Libraries (RCL) for MAUI and Web. Applies to any .NET MAUI project using Blazor for UI.
React Native patterns for mobile app development with Expo and bare workflow. Trigger: When building mobile apps, working with React Native components, using Expo, React Navigation, or NativeWind.
System-wide keyboard shortcut registration on macOS using NSEvent monitoring (simple, app-level) and Carbon EventHotKey API (reliable, system-wide). Covers NSEvent.addGlobalMonitorForEvents and addLocalMonitorForEvents, CGEvent tap for keystroke simulation, Carbon RegisterEventHotKey for system-wide hotkeys, modifier flag handling (.deviceIndependentFlagsMask), common key code mappings, debouncing, Accessibility permission requirements (AXIsProcessTrusted), and SwiftUI .onKeyPress for in-app shortcuts. Use when implementing global keyboard shortcuts, hotkey-triggered panels, or system-wide key event monitoring.
The Composable Architecture (TCA) - A library for building Swift applications with state management, composition, and testability