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Mouse Events The onMouse event handler responds to various user interactions with the mouse interface. This callback function triggers when users perform mouse actions on the UI, enabling developers to capture and respond to mouse clicks, movements, scrolling, hovering, and other mouse-related operations. The syntax for the onMouse event handle ...

ArkUI facilitates sophisticated user inputs by allowing developers to chain or merge basic touch primitives into composite actions. The primary mechanism is the GestureGroup constructor, which evaluates multiple gesture nodes simultaneously or sequentially based on a specified mode. GestureGroup(mode: GestureMode, ...gestureNodes: GestureNode[] ...

HarmonyOS ArkUI provides a structured event system for capturing peripheral input. Effective UI development requires precise management of pointer tracking, visual feedback, and hardware keyboard interception. Pointer Hover Detection The onHover modifier monitors when a pointing device enters or exits a component's bounding box. It supplies a b ...

Axis ConfigurationBy default, the List component arranges its items vertically, automatically enabling vertical scrolling. To create a horizontally scrolling list, assign Axis.Horizontal to the listDirection property. The default value is Axis.Vertical.List() { // ... } .listDirection(Axis.Horizontal) Cross-Axis LayoutThe cross-axis layout is ...

Router Configuration Add the router map reference in module.json5: "routerMap": "$profile:route_map" Route Map Definition Create route_map.json in resources/base/profile/: { "routerMap": [ { "name": "LaunchScreen", "pageSourceFile": "src/main/ets/components/Laun ...