arkts-development

SKILL.md

Build HarmonyOS applications using ArkTS and the ArkUI declarative UI framework.

| @State | @State count: number = 0 | Component internal state | | @Prop | @Prop title: string | Parent → Child (one-way) | | @Link | @Link value: number | Parent ↔ Child (two-way, use $varName) | | @Provide/@Consume | Cross-level | Ancestor → Descendant | | @Observed/@ObjectLink | Nested objects | Deep object observation |

| @ComponentV2 | @ComponentV2 struct MyComp | Enable V2 state management | | @Local | @Local count: number = 0 | Internal state (no external init) | | @Param | @Param title: string = "" | Parent → Child (one-way, efficient) | | @Event | @Event onChange: () => void | Child → Parent (callback) | | @ObservedV2 | @ObservedV2 class Data | Class observation |

View raw