51CTO HarmonyOS Developer Community

Dec 29, 2025 · Mobile Development

Building a HarmonyOS 6 Travel App: Declarative UI, ArkData & AI Itinerary Planning

The article shares the development of 'Hongtu Zhidao', a travel app built on HarmonyOS 6, detailing its architecture, challenges like multi-tab navigation and AI content persistence, and solutions using ArkTS/ArkUI declarative UI, ArkData local storage, AppStorageV2 for global state, real-time AI itinerary planning, and DevEco Studio's hot reload and multi-device preview.