Function OH_ArkUI_PointerEvent_GetTouchAreaWidth 

pub unsafe extern "C" fn OH_ArkUI_PointerEvent_GetTouchAreaWidth(
    event: *const ArkUI_UIInputEvent,
    pointerIndex: u32,
) -> f32

Available on crate feature api-12 only.

Obtains the width of the contact area for a pointer event. This API is applicable only to finger-based touch events, and the return value typically represents the radius of a circular touch area.

Arguments

• event - Pointer to the current UI input event.

• pointerIndex - Index of the target contact point in the contact point list.

Returns

• Returns the width of the touch area.

Available since API-level: 12