OH_NativeXComponent_RegisterOnTouchInterceptCallback

xcomponent_sys

Function OH_NativeXComponent_RegisterOnTouchInterceptCallback 

Source 
pub unsafe extern "C" fn OH_NativeXComponent_RegisterOnTouchInterceptCallback(
    component: *mut OH_NativeXComponent,
    callback: Option<unsafe extern "C" fn(component: *mut OH_NativeXComponent, event: *mut ArkUI_UIInputEvent) -> HitTestMode>,
) -> i32
Available on crate feature api-12 only.
Expand description

Registers a custom event intercept callback for an OH_NativeXComponent instance. This enables the specified during hit testing. UI input-related operations are not supported on event objects received through this callback. For full functionality, use the NODE_ON_TOUCH_INTERCEPT event on native nodes instead.

§Arguments

  • component - Indicates the pointer to the OH_NativeXComponent instance.

  • callback - Indicates the pointer to the custom event intercept callback.

§Returns

  • Returns the error code. Returns [ARKUI_ERROR_CODE_NO_ERROR] if the operation is successful. Returns [ARKUI_ERROR_CODE_PARAM_INVALID] if a parameter error occurs.

Available since API-level: 12