DengShiyingA

HarmonyOS 6.1 / 6.1.1 / NEXT (鸿蒙) comprehensive development knowledge — ArkTS, ArkUI, Stage model, 60+ Kit APIs, UI components, state management, navigation, animation, networking, data persistence, media, concurrency, testing, security, performance optimization, third-party libraries. 4200+ lines, 237 sections, 105+ code examples. Trigger: HarmonyOS, ArkTS, ArkUI, .ets, DevEco Studio, Stage model, UIAbility, @State, @Prop, @Link, @Provide, @Observed, @ObjectLink, @ComponentV2, @ObservedV2, @Trace, @Monitor, StateStore, NavPathStack, LazyForEach, @Reusable, animateTo, keyframeAnimateTo, geometryTransition, TaskPool, Worker, @Concurrent, @Sendable, module.json5, oh-package.json5, OHPM, sys.symbol, HAP, HSP, Tabs, TabContent, Swiper, WaterFlow, Grid, TextInput, TextArea, AlertDialog, openCustomDialog, openBindSheet, bindContentCover, Refresh, swipeAction, ListItemGroup, relationalStore, preferences, fileIo, DocumentViewPicker, photoAccessHelper, notificationManager, backgroundTaskManager, abilityAccessCtrl, pas