跳到主要内容

监听组件事件

NDK接口针对UI组件的事件,提供了监听函数的方式。首先,可使用addNodeEventReceiver函数添加组件事件的监听器,该监听器会监听该组件上发生的所有事件,例如:点击事件、焦点事件。然后,可使用registerNodeEvent函数声明组件的哪些事件需要监听,NDK接口支持的事件范围通过ArkUI_NodeEventType枚举值定义。

以下示例基于接入ArkTS页面章节,补充相关事件监听。详细代码请参考完整示例

  • 事件注册和事件解注册

    通过addNodeEventReceiver对节点绑定事件处理函数,接着通过调用registerNodeEvent注册对应的事件。

    事件监听函数的入参ArkUI_NodeEvent* event只在函数回调周期内生效,不推荐对该指针进行缓存或者进行异步处理。

    定义ArkUI_NativeNodeAPI_1类型的指针:

    ArkUI_NativeNodeAPI_1 *nodeAPI = nullptr;

    调用OH_ArkUI_GetModuleInterface接口给定义的指针赋值:

    OH_ArkUI_GetModuleInterface(ARKUI_NATIVE_NODE, ArkUI_NativeNodeAPI_1, nodeAPI);

    定义事件触发回调函数:

    void NodeEventReceiver(ArkUI_NodeEvent *event) {
    // 设置对应的事件类型触发时进行的操作,如NODE_ON_CLICK_EVENT
    };

    创建一个节点,将事件触发回调函数绑定到该节点并进行事件注册:

    auto button = nodeAPI->createNode(ARKUI_NODE_BUTTON);
    nodeAPI->addNodeEventReceiver(button, NodeEventReceiver);
    nodeAPI->registerNodeEvent(button, NODE_ON_CLICK_EVENT, 0, nullptr);

    详细的事件类型请参考ArkUI_NodeEventType

    通过unregisterNodeEvent解注册对应的事件类型,再通过removeNodeEventReceiver卸载事件处理函数。

    解注册对应的事件类型:

    nodeAPI->unregisterNodeEvent(button, NODE_ON_CLICK_EVENT);

    卸载事件处理函数:

    nodeAPI->removeNodeEventReceiver(button, NodeEventReceiver);
  • 全局事件监听

    使用registerNodeEventReceiver注册全局的事件处理函数,对事件进行统一的处理,结束后可使用unregisterNodeEventReceiver进行释放。

    注册全局的事件处理函数:

    nodeAPI->registerNodeEventReceiver([](ArkUI_NodeEvent *event) {
    // 从组件事件中获取基础事件对象
    auto *inputEvent = OH_ArkUI_NodeEvent_GetInputEvent(event);
    // 从组件事件获取事件类型
    auto eventType = OH_ArkUI_NodeEvent_GetEventType(event);
    // ···
    switch (eventType) {
    case NODE_ON_CLICK_EVENT: {
    // 触发点击事件所进行的操作,从基础事件获取事件信息
    // ···
    }
    default: {
    break;
    }
    }
    });

    解注册全局的事件处理函数:

    nodeAPI->unregisterNodeEventReceiver();
  • 获取事件信息

    ArkUI框架提供了OH_ArkUI_NodeEvent_GetInputEvent()接口,用于从输入交互相关的组件事件(如NODE_ON_CLICK_EVENT、NODE_TOUCH_EVENT等,具体可参见每个枚举定义的说明)中获取基础事件对象。然后,可通过调用OH_ArkUI_PointerEvent_GetDisplayX()OH_ArkUI_PointerEvent_GetDisplayXByIndex()OH_ArkUI_UIInputEvent_GetAction()OH_ArkUI_UIInputEvent_GetEventTime()等接口,从基础事件中获取更多信息。应用根据获取的事件信息,在事件执行过程中实现差异化交互逻辑。

    注册事件监听回调:

    // 注册click事件
    nodeAPI->registerNodeEvent(button, NODE_ON_CLICK_EVENT, 0, nullptr);
    // 设置组件事件的全局监听
    nodeAPI->registerNodeEventReceiver([](ArkUI_NodeEvent *event) {
    // 从组件事件中获取基础事件对象
    auto *inputEvent = OH_ArkUI_NodeEvent_GetInputEvent(event);
    // 从组件事件获取事件类型
    auto eventType = OH_ArkUI_NodeEvent_GetEventType(event);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo inputEvent = %{public}p", inputEvent);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo eventType = %{public}d", eventType);
    auto componentEvent = OH_ArkUI_NodeEvent_GetNodeComponentEvent(event);
    // 获取组件事件中的数字类型数据
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo componentEvent = %{public}p", componentEvent);
    // 获取触发该事件的组件对象
    auto nodeHandle = OH_ArkUI_NodeEvent_GetNodeHandle(event);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo nodeHandle = %{public}p", nodeHandle);
    // 根据eventType来区分事件类型,进行差异化处理,其他获取事件信息的接口也可类似方式来进行差异化的处理
    switch (eventType) {
    case NODE_ON_CLICK_EVENT: {
    // 触发点击事件所进行的操作,从基础事件获取事件信息
    auto x = OH_ArkUI_PointerEvent_GetX(inputEvent);
    auto y = OH_ArkUI_PointerEvent_GetY(inputEvent);
    auto displayX = OH_ArkUI_PointerEvent_GetDisplayX(inputEvent);
    auto displayY = OH_ArkUI_PointerEvent_GetDisplayY(inputEvent);
    auto windowX = OH_ArkUI_PointerEvent_GetWindowX(inputEvent);
    auto windowY = OH_ArkUI_PointerEvent_GetWindowY(inputEvent);
    auto pointerCount = OH_ArkUI_PointerEvent_GetPointerCount(inputEvent);
    auto xByIndex = OH_ArkUI_PointerEvent_GetXByIndex(inputEvent, 0);
    auto yByIndex = OH_ArkUI_PointerEvent_GetYByIndex(inputEvent, 0);
    auto displayXByIndex = OH_ArkUI_PointerEvent_GetDisplayXByIndex(inputEvent, 0);
    auto displayYByIndex = OH_ArkUI_PointerEvent_GetDisplayYByIndex(inputEvent, 0);
    auto windowXByIndex = OH_ArkUI_PointerEvent_GetWindowXByIndex(inputEvent, 0);
    auto windowYByIndex = OH_ArkUI_PointerEvent_GetWindowYByIndex(inputEvent, 0);
    auto pointerId = OH_ArkUI_PointerEvent_GetPointerId(inputEvent, 0);
    auto pressure = OH_ArkUI_PointerEvent_GetPressure(inputEvent, 0);
    auto action = OH_ArkUI_UIInputEvent_GetAction(inputEvent);
    auto eventTime = OH_ArkUI_UIInputEvent_GetEventTime(inputEvent);
    auto sourceType = OH_ArkUI_UIInputEvent_GetSourceType(inputEvent);
    auto type = OH_ArkUI_UIInputEvent_GetType(inputEvent);
    std::string eventInfo =
    "x: " + std::to_string(x) + ", y: " + std::to_string(y) +
    ", displayX: " + std::to_string(displayX) + ", displayY: " + std::to_string(displayY) +
    ", windowX: " + std::to_string(windowX) + ", windowY: " + std::to_string(windowY) +
    ", pointerCount: " + std::to_string(pointerCount) + ", xByIndex: " + std::to_string(xByIndex) +
    ", yByIndex: " + std::to_string(yByIndex) +
    ", displayXByIndex: " + std::to_string(displayXByIndex) +
    ", displayYByIndex: " + std::to_string(displayYByIndex) +
    ", windowXByIndex: " + std::to_string(windowXByIndex) +
    ", windowYByIndex: " + std::to_string(windowYByIndex) +
    ", pointerId: " + std::to_string(pointerId) + ", pressure: " + std::to_string(pressure) +
    ", action: " + std::to_string(action) + ", eventTime: " + std::to_string(eventTime) +
    ", sourceType: " + std::to_string(sourceType) + ", type: " + std::to_string(type);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfoOfCommonEvent eventInfo = %{public}s",
    eventInfo.c_str());
    break;
    }
    default: {
    break;
    }
    }
    });

    解注册事件处理函数:

    nodeAPI->unregisterNodeEventReceiver();

    解注册对应的事件类型:

    nodeAPI->unregisterNodeEvent(button, NODE_ON_CLICK_EVENT);
  • 深浅色变更事件

    ArkUI开发框架在NDK接口提供了以组件为注册单位的系统深浅色变更事件,系统通过在深浅色变更时通知注册在组件上的回调,实现NDK侧的深浅色变更能力。

    • 一个回调内可以自行设计多个组件的深浅色变更。
    • 同一组件仅能注册一个系统深浅变更回调。
    • 建议注册在页面内不会被销毁的节点,防止因节点销毁导致的回调失效。
    struct ColorModeInfo {
    const char* lightMsg;
    const char* darkMsg;
    };

    // 注册回调函数
    void onColorModeChange(ArkUI_SystemColorMode colorMode, void *userData)
    {
    ColorModeInfo* info = static_cast<ColorModeInfo*>(userData);
    if (colorMode == ARKUI_SYSTEM_COLOR_MODE_LIGHT) {
    OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_Light mode: ", info->lightMsg);
    } else if (colorMode == ARKUI_SYSTEM_COLOR_MODE_DARK) {
    OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_Dark mode: ", info->darkMsg);
    }
    }

    ArkUI_NodeHandle testColorModeChange(ArkUI_NativeNodeAPI_1 *nodeAPI) {
    ArkUI_NodeHandle text = nodeAPI->createNode(ARKUI_NODE_TEXT);
    static ColorModeInfo info = {"Light mode", "Dark mode"};
    OH_ArkUI_RegisterSystemColorModeChangeEvent(text, &info, onColorModeChange);

    ArkUI_AttributeItem itemstring = {nullptr, 0, ("test_light_dark")};
    nodeAPI->setAttribute(text, NODE_TEXT_CONTENT, &itemstring);

    return text;
    }

完整示例

  1. 在ArkUINode基类对象中实现通用事件注册逻辑。

    // ArkUINode.h
    // 提供通用属性和事件的封装。

    #ifndef MYAPPLICATION_ARKUINODE_H
    #define MYAPPLICATION_ARKUINODE_H

    #include "ArkUIBaseNode.h"
    #include "NativeModule.h"

    #include <arkui/native_node.h>
    #include <arkui/native_type.h>

    namespace NativeModule {

    class ArkUINode : public ArkUIBaseNode {
    public:
    explicit ArkUINode(ArkUI_NodeHandle handle) : ArkUIBaseNode(handle)
    {
    nativeModule_ = NativeModuleInstance::GetInstance()->GetNativeNodeAPI();
    // 事件触发时需要通过函数获取对应的事件对象,这边通过设置节点自定义数据将封装类指针保持在组件上,方便后续事件分发。
    nativeModule_->setUserData(handle_, this);
    // 注册节点监听事件接受器。
    nativeModule_->addNodeEventReceiver(handle_, ArkUINode::NodeEventReceiver);
    }

    ~ArkUINode() override
    {
    if (onClick_) {
    nativeModule_->unregisterNodeEvent(handle_, NODE_ON_CLICK_EVENT);
    }
    if (onTouch_) {
    nativeModule_->unregisterNodeEvent(handle_, NODE_TOUCH_EVENT);
    }
    if (onDisappear_) {
    nativeModule_->unregisterNodeEvent(handle_, NODE_EVENT_ON_DISAPPEAR);
    }
    if (onAppear_) {
    nativeModule_->unregisterNodeEvent(handle_, NODE_EVENT_ON_APPEAR);
    }
    nativeModule_->removeNodeEventReceiver(handle_, ArkUINode::NodeEventReceiver);
    }
    // 设置节点宽度
    void SetWidth(float width)
    {
    if (!handle_) {
    return;
    }
    ArkUI_NumberValue value[] = {{.f32 = width}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_WIDTH, &item);
    }
    // 设置节点宽度(百分比形式)
    void SetPercentWidth(float percent)
    {
    if (!handle_) {
    return;
    }
    ArkUI_NumberValue value[] = {{.f32 = percent}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_WIDTH_PERCENT, &item);
    }
    // 设置节点高度
    void SetHeight(float height)
    {
    if (!handle_) {
    return;
    }
    ArkUI_NumberValue value[] = {{.f32 = height}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_HEIGHT, &item);
    }
    // 设置节点高度(百分比形式)
    void SetPercentHeight(float percent)
    {
    if (!handle_) {
    return;
    }
    ArkUI_NumberValue value[] = {{.f32 = percent}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_HEIGHT_PERCENT, &item);
    }
    // 设置节点背景颜色
    void SetBackgroundColor(uint32_t color)
    {
    if (!handle_) {
    return;
    }
    ArkUI_NumberValue value[] = {{.u32 = color}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_BACKGROUND_COLOR, &item);
    }
    // 处理通用事件。
    void RegisterOnClick(const std::function<void(ArkUI_NodeEvent *event)> &onClick)
    {
    if (!handle_) {
    return;
    }
    onClick_ = onClick;
    // 注册点击事件。
    nativeModule_->registerNodeEvent(handle_, NODE_ON_CLICK_EVENT, 0, nullptr);
    }

    void RegisterOnTouch(const std::function<void(int32_t type, float x, float y)> &onTouch)
    {
    if (!handle_) {
    return;
    }
    onTouch_ = onTouch;
    // 注册触碰事件。
    nativeModule_->registerNodeEvent(handle_, NODE_TOUCH_EVENT, 0, nullptr);
    }

    void RegisterOnDisappear(const std::function<void()> &onDisappear)
    {
    if (!handle_) {
    return;
    }
    onDisappear_ = onDisappear;
    // 注册卸载事件。
    nativeModule_->registerNodeEvent(handle_, NODE_EVENT_ON_DISAPPEAR, 0, nullptr);
    }

    void RegisterOnAppear(const std::function<void()> &onAppear)
    {
    if (!handle_) {
    return;
    }
    onAppear_ = onAppear;
    // 注册挂载事件。
    nativeModule_->registerNodeEvent(handle_, NODE_EVENT_ON_APPEAR, 0, nullptr);
    }

    protected:
    // 事件监听器函数指针。
    static void NodeEventReceiver(ArkUI_NodeEvent *event)
    {
    // 获取事件发生的UI组件对象。
    auto nodeHandle = OH_ArkUI_NodeEvent_GetNodeHandle(event);
    // 获取保持在UI组件对象中的自定义数据,返回封装类指针。
    auto *node = reinterpret_cast<ArkUINode *>(
    NativeModuleInstance::GetInstance()->GetNativeNodeAPI()->getUserData(nodeHandle));
    // 基于封装类实例对象处理事件。
    node->ProcessNodeEvent(event);
    }
    void ProcessNodeEvent(ArkUI_NodeEvent *event)
    {
    auto eventType = OH_ArkUI_NodeEvent_GetEventType(event);
    switch (eventType) {
    case NODE_ON_CLICK_EVENT: {
    if (onClick_) {
    onClick_(event);
    }
    break;
    }
    case NODE_TOUCH_EVENT: {
    if (onTouch_) {
    auto *uiInputEvent = OH_ArkUI_NodeEvent_GetInputEvent(event);
    float x = OH_ArkUI_PointerEvent_GetX(uiInputEvent);
    float y = OH_ArkUI_PointerEvent_GetY(uiInputEvent);
    auto type = OH_ArkUI_UIInputEvent_GetAction(uiInputEvent);
    onTouch_(type, x, y);
    }
    }
    case NODE_EVENT_ON_DISAPPEAR: {
    if (onDisappear_) {
    onDisappear_();
    }
    break;
    }
    case NODE_EVENT_ON_APPEAR: {
    if (onAppear_) {
    onAppear_();
    }
    break;
    }
    default: {
    // 组件特有事件交给子类处理
    OnNodeEvent(event);
    }
    }
    }

    virtual void OnNodeEvent(ArkUI_NodeEvent *event) {}

    void OnAddChild(const std::shared_ptr<ArkUIBaseNode> &child) override
    {
    nativeModule_->addChild(handle_, child->GetHandle());
    }

    void OnRemoveChild(const std::shared_ptr<ArkUIBaseNode> &child) override
    {
    nativeModule_->removeChild(handle_, child->GetHandle());
    }

    void OnInsertChild(const std::shared_ptr<ArkUIBaseNode> &child, int32_t index) override
    {
    nativeModule_->insertChildAt(handle_, child->GetHandle(), index);
    }

    private:
    std::function<void(ArkUI_NodeEvent *event)> onClick_;
    std::function<void()> onDisappear_;
    std::function<void()> onAppear_;
    std::function<void(int32_t type, float x, float y)> onTouch_;
    };
    } // namespace NativeModule

    #endif // MYAPPLICATION_ARKUINODE_H
  2. 在ArkUIListNode对象中实现列表事件注册逻辑。

    // ArkUIListNode.h
    // 列表封装类对象

    #ifndef MYAPPLICATION_ARKUILISTNODE_H
    #define MYAPPLICATION_ARKUILISTNODE_H

    #include "ArkUINode.h"

    namespace NativeModule {
    class ArkUIListNode : public ArkUINode {
    public:
    ArkUIListNode()
    : ArkUINode((NativeModuleInstance::GetInstance()->GetNativeNodeAPI())->createNode(ARKUI_NODE_LIST)) {}

    ~ArkUIListNode() override { nativeModule_->unregisterNodeEvent(handle_, NODE_LIST_ON_SCROLL_INDEX); }

    void SetScrollBarState(bool isShow)
    {
    if (!handle_) {
    return;
    }
    ArkUI_ScrollBarDisplayMode displayMode =
    isShow ? ARKUI_SCROLL_BAR_DISPLAY_MODE_ON : ARKUI_SCROLL_BAR_DISPLAY_MODE_OFF;
    ArkUI_NumberValue value[] = {{.i32 = displayMode}};
    ArkUI_AttributeItem item = {value, 1};
    nativeModule_->setAttribute(handle_, NODE_SCROLL_BAR_DISPLAY_MODE, &item);
    }

    // 注册列表相关事件。
    void RegisterOnScrollIndex(const std::function<void(int32_t index)> &onScrollIndex)
    {
    if (!handle_) {
    return;
    }
    onScrollIndex_ = onScrollIndex;
    nativeModule_->registerNodeEvent(handle_, NODE_LIST_ON_SCROLL_INDEX, 0, nullptr);
    }

    protected:
    // 处理List相关事件。
    void OnNodeEvent(ArkUI_NodeEvent *event) override
    {
    auto eventType = OH_ArkUI_NodeEvent_GetEventType(event);
    switch (eventType) {
    case NODE_LIST_ON_SCROLL_INDEX: {
    auto index = OH_ArkUI_NodeEvent_GetNodeComponentEvent(event)->data[0];
    if (onScrollIndex_) {
    onScrollIndex_(index.i32);
    }
    }
    default: {
    }
    }
    }

    private:
    std::function<void(int32_t index)> onScrollIndex_;
    };
    } // namespace NativeModule

    #endif // MYAPPLICATION_ARKUILISTNODE_H
  3. 添加相关事件。

    // NormalTextListExample.h
    // 文本列表示例。

    #ifndef MYAPPLICATION_NORMALTEXTLISTEXAMPLE_H
    #define MYAPPLICATION_NORMALTEXTLISTEXAMPLE_H

    #include "ArkUIBaseNode.h"
    #include "ArkUIListItemNode.h"
    #include "ArkUIListNode.h"
    #include "ArkUITextNode.h"
    #include <hilog/log.h>

    const unsigned int LOG_PRINT_DOMAIN = 0xF811;
    const unsigned int LOOP_SIZE = 30;
    const unsigned int FONT_SIZE = 16;
    const unsigned int HEIGHT_SIZE = 200;
    const float PERCENT_WIDTH_1 = 1;
    const float PERCENT_HEIGHT_1 = 1;

    namespace NativeModule {

    std::shared_ptr<ArkUIBaseNode> CreateTextListExample()
    {
    // 创建组件并挂载
    // 1:创建List组件。
    auto list = std::make_shared<ArkUIListNode>();
    list->SetPercentWidth(PERCENT_WIDTH_1);
    list->SetPercentHeight(PERCENT_HEIGHT_1);
    // 2:创建ListItem子组件并挂载到List上。
    for (int32_t i = 0; i < LOOP_SIZE; ++i) {
    auto listItem = std::make_shared<ArkUIListItemNode>();
    auto textNode = std::make_shared<ArkUITextNode>();
    textNode->SetTextContent(std::to_string(i));
    textNode->SetFontSize(FONT_SIZE);
    textNode->SetPercentWidth(PERCENT_WIDTH_1);
    textNode->SetHeight(HEIGHT_SIZE);
    textNode->SetBackgroundColor(0xFFfffacd);
    textNode->SetTextAlign(ARKUI_TEXT_ALIGNMENT_CENTER);
    listItem->AddChild(textNode);
    // 列表项注册点击事件。
    auto onClick = [](ArkUI_NodeEvent *event) {
    // 从组件事件中获取基础事件对象
    auto *inputEvent = OH_ArkUI_NodeEvent_GetInputEvent(event);
    if (inputEvent == nullptr) {
    return;
    }
    // 从组件事件获取事件类型
    auto eventType = OH_ArkUI_NodeEvent_GetEventType(event);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo inputEvent = %{public}p", inputEvent);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo eventType = %{public}d", eventType);
    auto componentEvent = OH_ArkUI_NodeEvent_GetNodeComponentEvent(event);
    // 获取组件事件中的数字类型数据
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo componentEvent = %{public}p", componentEvent);
    // 获取触发该事件的组件对象
    auto nodeHandle = OH_ArkUI_NodeEvent_GetNodeHandle(event);
    if (nodeHandle == nullptr) {
    return;
    }
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfo nodeHandle = %{public}p", nodeHandle);
    // 根据eventType来区分事件类型,进行差异化处理,其他获取事件信息的接口也可类似方式来进行差异化的处理
    switch (eventType) {
    case NODE_ON_CLICK_EVENT: {
    // 触发点击事件所进行的操作,从基础事件获取事件信息
    auto x = OH_ArkUI_PointerEvent_GetX(inputEvent);
    auto y = OH_ArkUI_PointerEvent_GetY(inputEvent);
    auto displayX = OH_ArkUI_PointerEvent_GetDisplayX(inputEvent);
    auto displayY = OH_ArkUI_PointerEvent_GetDisplayY(inputEvent);
    auto windowX = OH_ArkUI_PointerEvent_GetWindowX(inputEvent);
    auto windowY = OH_ArkUI_PointerEvent_GetWindowY(inputEvent);
    auto pointerCount = OH_ArkUI_PointerEvent_GetPointerCount(inputEvent);
    auto xByIndex = OH_ArkUI_PointerEvent_GetXByIndex(inputEvent, 0);
    auto yByIndex = OH_ArkUI_PointerEvent_GetYByIndex(inputEvent, 0);
    auto displayXByIndex = OH_ArkUI_PointerEvent_GetDisplayXByIndex(inputEvent, 0);
    auto displayYByIndex = OH_ArkUI_PointerEvent_GetDisplayYByIndex(inputEvent, 0);
    auto windowXByIndex = OH_ArkUI_PointerEvent_GetWindowXByIndex(inputEvent, 0);
    auto windowYByIndex = OH_ArkUI_PointerEvent_GetWindowYByIndex(inputEvent, 0);
    auto pointerId = OH_ArkUI_PointerEvent_GetPointerId(inputEvent, 0);
    auto pressure = OH_ArkUI_PointerEvent_GetPressure(inputEvent, 0);
    auto action = OH_ArkUI_UIInputEvent_GetAction(inputEvent);
    auto eventTime = OH_ArkUI_UIInputEvent_GetEventTime(inputEvent);
    auto sourceType = OH_ArkUI_UIInputEvent_GetSourceType(inputEvent);
    auto type = OH_ArkUI_UIInputEvent_GetType(inputEvent);
    std::string eventInfo =
    "x: " + std::to_string(x) + ", y: " + std::to_string(y) +
    ", displayX: " + std::to_string(displayX) + ", displayY: " + std::to_string(displayY) +
    ", windowX: " + std::to_string(windowX) + ", windowY: " + std::to_string(windowY) +
    ", pointerCount: " + std::to_string(pointerCount) + ", xByIndex: " + std::to_string(xByIndex) +
    ", yByIndex: " + std::to_string(yByIndex) +
    ", displayXByIndex: " + std::to_string(displayXByIndex) +
    ", displayYByIndex: " + std::to_string(displayYByIndex) +
    ", windowXByIndex: " + std::to_string(windowXByIndex) +
    ", windowYByIndex: " + std::to_string(windowYByIndex) +
    ", pointerId: " + std::to_string(pointerId) + ", pressure: " + std::to_string(pressure) +
    ", action: " + std::to_string(action) + ", eventTime: " + std::to_string(eventTime) +
    ", sourceType: " + std::to_string(sourceType) + ", type: " + std::to_string(type);
    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_PRINT_DOMAIN, "[Sample_NdkAddInteractionEvent]",
    "NdkAddInteractionEvent_eventInfoOfCommonEvent eventInfo = %{public}s",
    eventInfo.c_str());
    }
    default: {
    break;
    }
    }
    };
    listItem->RegisterOnClick(onClick);
    list->AddChild(listItem);
    }
    // 3:注册List相关监听事件.
    list->RegisterOnScrollIndex([](int32_t index) { OH_LOG_INFO(LOG_APP, "on list scroll index: %{public}d", index); });
    // 4: 注册挂载事件。
    list->RegisterOnAppear([]() { OH_LOG_INFO(LOG_APP, "on list mount to tree"); });
    // 5: 注册卸载事件。
    list->RegisterOnDisappear([]() { OH_LOG_INFO(LOG_APP, "on list unmount from tree"); });
    return list;
    }
    } // namespace NativeModule

    #endif // MYAPPLICATION_NORMALTEXTLISTEXAMPLE_H

    由于使用了日志相关接口,需要在CMakeLists.txt中添加对libhilog_ndk.z.so的引用,如下:

    add_library(entry SHARED napi_init.cpp NativeEntry.cpp)
    target_link_libraries(entry PUBLIC libace_napi.z.so libace_ndk.z.so libhilog_ndk.z.so)