使用动画

// ArkUIColumnNode为工程内封装的node类型
auto column = std::make_shared<ArkUIColumnNode>();
//设置宽度为300，NUM_300 = 300
column->SetWidth(NUM_300);
//设置高度为250，NUM_250 = 250
column->SetHeight(NUM_250);
// 创建文本节点，内容区介绍“这是关键帧动画”
auto textNode = std::make_shared<ArkUITextNode>();
textNode->SetTextContent("这是关键帧动画");
//设置宽度为120，NUM_120 = 120
textNode->SetWidth(NUM_120);
//设置高度为120，NUM_120 = 120
textNode->SetHeight(NUM_50);
// 创建button，后续创建的关键帧动画作用在button组件上
auto button = std::make_shared<ArkUIButtonNode>();
// 设置button初始宽高，NUM_100 = 100
button->SetWidth(NUM_100);
button->SetHeight(NUM_100);
// 存储button全局变量，在onTouch注册时需要使用
g_keyframe_button = button;
// 注册点击事件到button上，NUM_1 = 1
button->RegisterNodeEvent(button->GetHandle(), NODE_ON_CLICK, NUM_1, nullptr);
g_keyframe_text = std::make_shared<ArkUITextNode>();
// 该函数为封装功能为在text组件中打印Animateto中参数值，使用者根据需要自行封装
g_keyframe_text->KeyframeAnimatetoToString();
auto onTouch = [](ArkUI_NodeEvent *event) {
    // 点击button按钮时触发该逻辑，NUM_1 = 1
    if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_1) {
        // 获取context对象
        ArkUI_ContextHandle context = nullptr;
        // std::shared_ptr<ArkUIButtonNode> g_keyframe_button存储button的全局变量，在onTouch注册时需要使用
        context = OH_ArkUI_GetContextByNode(g_keyframe_button->GetHandle());
        // 获取ArkUI_NativeAnimateAPI接口
        ArkUI_NativeAnimateAPI_1 *animateApi = nullptr;
        OH_ArkUI_GetModuleInterface(ARKUI_NATIVE_ANIMATE, ArkUI_NativeAnimateAPI_1, animateApi);
            
        // 以下代码为创建关键帧动画的关键流程，包括设置关键帧动画参数、开启关键帧动画
        // 设置ArkUI_KeyframeAnimateOption参数，通过提供的C方法设置对应的参数
        // 关键帧动画状态数，NUM_2 = 2，NUM_500 = 500
        ArkUI_KeyframeAnimateOption *option =  OH_ArkUI_KeyframeAnimateOption_Create(NUM_2);
        OH_ArkUI_KeyframeAnimateOption_SetDelay(option, NUM_500);
        // 第一段关键帧动画的持续时间，NUM_1000 = 1000，NUM_0 = 0
        OH_ArkUI_KeyframeAnimateOption_SetDuration(option, NUM_1000, NUM_0);
        // 第二段关键帧动画的持续时间，NUM_2000 = 2000，NUM_1 = 1
        OH_ArkUI_KeyframeAnimateOption_SetDuration(option, NUM_2000, NUM_1);
        // 关键帧动画播放次数，NUM_5 = 5
        OH_ArkUI_KeyframeAnimateOption_SetIterations(option, NUM_5);
        ArkUI_CurveHandle curve = OH_ArkUI_Curve_CreateCubicBezierCurve(0.5f, 4.0f, 1.2f, 0.0f);
        // 以下四种曲线需要根据实际业务选择
        ArkUI_CurveHandle springCurve = OH_ArkUI_Curve_CreateSpringCurve(0.5f, 4.0f, 1.2f, 0.0f);
        ArkUI_CurveHandle springMotionCurve = OH_ArkUI_Curve_CreateSpringMotion(0.5f, 0.6f, 0.0f);
        ArkUI_CurveHandle responsiveSpringMotionCurve = OH_ArkUI_Curve_CreateResponsiveSpringMotion(0.5f,
            4.0f, 1.2f);
        ArkUI_CurveHandle interpolatingSpringCurve = OH_ArkUI_Curve_CreateInterpolatingSpring(0.5f,
            4.0f, 1.2f, 0.0f);
        OH_ArkUI_KeyframeAnimateOption_SetCurve(option, curve, 1);
        OH_ArkUI_KeyframeAnimateOption_RegisterOnEventCallback(option, nullptr, [](void *userData) {
              g_keyframe_button->SetWidth(NUM_150);
        }, NUM_0); // 第一段关键帧时刻状态的闭包函数NUM_150 = 150，NUM_0 = 0
        OH_ArkUI_KeyframeAnimateOption_RegisterOnEventCallback(option, nullptr, [](void *userData) {
              g_keyframe_button->SetWidth(80);
        }, NUM_1); // 第二段关键帧时刻状态的闭包函数NUM_1 = 1
        KeyFrameAnimateToData* data = new KeyFrameAnimateToData();
        data->option = option;
        data->curve = curve;
        OH_ArkUI_KeyframeAnimateOption_RegisterOnFinishCallback(option, nullptr, [](void *user) {
            KeyFrameAnimateToData* data = reinterpret_cast<KeyFrameAnimateToData*>(user);
            if (data) {
                ArkUI_KeyframeAnimateOption* option = data->option;
                ArkUI_CurveHandle curve = data->curve;
                if (option) {
                    OH_ArkUI_KeyframeAnimateOption_Dispose(option);
                    OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN,
                        "Init", "CXX OH_ArkUI_KeyframeAnimateOption_Dispose  success!");
                }
                if (curve) {
                    OH_ArkUI_Curve_DisposeCurve(curve);
                    OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN,
                        "Init", "CXX OH_ArkUI_Curve_DisposeCurve  success!");
                }
                delete data; // 释放结构体
            }
        }); // 关键帧动画结束回调
        ArkUI_ExpectedFrameRateRange *range = new ArkUI_ExpectedFrameRateRange;
        range->max = NUM_120; // NUM_120 = 120
        range->expected = NUM_60; // NUM_60 = 60
        range->min = NUM_30; // NUM_30 = 30
        OH_ArkUI_KeyframeAnimateOption_SetExpectedFrameRate(option, range); // 关键帧设置期望帧率

        // 执行对应的动画
        animateApi->keyframeAnimateTo(context, option);
        auto delay = OH_ArkUI_KeyframeAnimateOption_GetDelay(option);
        auto iter = OH_ArkUI_KeyframeAnimateOption_GetIterations(option);
        auto expected = OH_ArkUI_KeyframeAnimateOption_GetExpectedFrameRate(option); // 获取关键帧动画参数的期望帧率
        auto dur0 = OH_ArkUI_KeyframeAnimateOption_GetDuration(option, NUM_1); // NUM_1 = 1
        auto dur1 = OH_ArkUI_KeyframeAnimateOption_GetDuration(option, NUM_1);
        auto curves = OH_ArkUI_KeyframeAnimateOption_GetCurve(option, NUM_1); // 获取关键帧动画某段状态动画曲线
        g_keyframe_text->KeyframeAnimatetoToString(dur0, dur1, delay, iter, *expected);
    }
};
// 注册点击事件的回调函数
button->RegisterNodeEventReceiver(onTouch);
// 将button挂载在column上，返回column节点
column->AddChild(g_keyframe_text);
column->AddChild(textNode);
column->AddChild(button);

ArkUIAnimate.h

std::shared_ptr<ArkUIBaseNode> CreateAnimator()
{
    auto column = std::make_shared<ArkUIColumnNode>();
    column->SetWidth(NUM_300); // NUM_300 = 300
    column->SetHeight(NUM_250); // NUM_250 = 250
    // 创建文本节点，内容区介绍“这是animator动画”
    auto textNode = std::make_shared<ArkUITextNode>();
    textNode->SetTextContent("这是animator动画");
    textNode->SetWidth(NUM_120); // NUM_120 = 120
    textNode->SetHeight(NUM_50); // NUM_50 = 50
    // 创建createButton，用于初始化animator参数
    auto createButton = std::make_shared<ArkUIButtonNode>();
    // 创建button，后续创建的animator动画作用在button组件上
    auto button = std::make_shared<ArkUIButtonNode>();
    // 设置button初始宽高，NUM_100 = 100
    button->SetWidth(NUM_100);
    button->SetHeight(NUM_100);
    // 存储button全局变量，在onTouch注册时需要使用
    g_animator_button = button;
    // 注册点击事件到button上，NUM_3 = 3
    createButton->RegisterNodeEvent(createButton->GetHandle(), NODE_ON_CLICK, NUM_3, nullptr);
    g_animator_text = std::make_shared<ArkUITextNode>();
    g_animator_text->AnimatorToString();
    auto onTouch = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_3 = 3
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_3) {
            // 获取context对象
            static ArkUI_ContextHandle context = nullptr;
            context = OH_ArkUI_GetContextByNode(g_animator_button->GetHandle());

            // 获取ArkUI_NativeAnimateAPI接口
            ArkUI_NativeAnimateAPI_1 *animateApi = nullptr;
            OH_ArkUI_GetModuleInterface(ARKUI_NATIVE_ANIMATE, ArkUI_NativeAnimateAPI_1, animateApi);
            
            // 以下代码为创建Animator动画的关键流程，包括设置Animator动画参数、开启Animator动画
            // 设置ArkUI_AnimatorOption参数，通过提供的C方法设置对应的参数，NUM_0 = 0
            static ArkUI_AnimatorOption *option =  OH_ArkUI_AnimatorOption_Create(NUM_0); // Animator动画状态数
            OH_ArkUI_AnimatorOption_SetDuration(option, NUM_2000); // NUM_2000 = 2000
            OH_ArkUI_AnimatorOption_SetDelay(option, NUM_10); // NUM_10 = 10
            OH_ArkUI_AnimatorOption_SetIterations(option, NUM_3); // NUM_3 = 3
            OH_ArkUI_AnimatorOption_SetFill(option, ARKUI_ANIMATION_FILL_MODE_NONE);
            OH_ArkUI_AnimatorOption_SetDirection(option, ARKUI_ANIMATION_DIRECTION_NORMAL);
            ArkUI_CurveHandle curve = OH_ArkUI_Curve_CreateCubicBezierCurve(0.5f, 4.0f, 1.2f, 0.0f); // 构造三阶贝塞尔曲线对象
            OH_ArkUI_AnimatorOption_SetCurve(option, curve);
            OH_ArkUI_AnimatorOption_SetBegin(option, NUM_100); // NUM_100 = 100
            OH_ArkUI_AnimatorOption_SetEnd(option, NUM_150); // NUM_150 = 150
            ArkUI_ExpectedFrameRateRange *range = new ArkUI_ExpectedFrameRateRange;
            range->max = NUM_120; // NUM_120 = 120
            range->expected = NUM_60; // NUM_60 = 60
            range->min = NUM_30; // NUM_30 = 30
            OH_ArkUI_AnimatorOption_SetExpectedFrameRateRange(option, range);
            OH_ArkUI_AnimatorOption_SetKeyframe(option, 0.5, 120.5, NUM_0); // 设置animator动画关键帧参数，NUM_0 = 0
            OH_ArkUI_AnimatorOption_SetKeyframeCurve(option, curve, NUM_0); // 设置animator动画关键帧曲线类型
            OH_ArkUI_AnimatorOption_RegisterOnFrameCallback(option, nullptr, [](ArkUI_AnimatorOnFrameEvent *event)
            {
                OH_ArkUI_AnimatorOnFrameEvent_GetUserData(event); // 获取动画事件对象中的用户自定义对象
                auto value = OH_ArkUI_AnimatorOnFrameEvent_GetValue(event); // 获取动画事件对象中的当前进度
                OH_LOG_Print(LOG_APP, LOG_ERROR, LOG_PRINT_DOMAIN, "Init",
                    "CXX OH_ArkUI_AnimatorOption_RegisterOnFrameCallback  %{public}f", value);
                g_animator_button->SetWidth(value);
            });
            OH_ArkUI_AnimatorOption_RegisterOnFinishCallback(option, nullptr, [](ArkUI_AnimatorEvent* event)
            {
                OH_ArkUI_AnimatorEvent_GetUserData(event); // 获取动画事件对象中的用户自定义对象
            });
            OH_ArkUI_AnimatorOption_RegisterOnCancelCallback(option, nullptr, [](ArkUI_AnimatorEvent* event)
            {
            });
            OH_ArkUI_AnimatorOption_RegisterOnRepeatCallback(option, nullptr, [](ArkUI_AnimatorEvent* event)
            {
            });
            // 执行对应的动画
            animatorHandle = animateApi->createAnimator(context, option);
            
            auto duration = OH_ArkUI_AnimatorOption_GetDuration(option);
            auto delay = OH_ArkUI_AnimatorOption_GetDelay(option);
            auto iterations = OH_ArkUI_AnimatorOption_GetIterations(option);
            auto fill = OH_ArkUI_AnimatorOption_GetFill(option);
            auto direction = OH_ArkUI_AnimatorOption_GetDirection(option);
            auto curves = OH_ArkUI_AnimatorOption_GetCurve(option); // 获取animator动画插值曲线
            auto begin = OH_ArkUI_AnimatorOption_GetBegin(option);
            auto end = OH_ArkUI_AnimatorOption_GetEnd(option); // 获取animator动画插值终点
            auto expected = OH_ArkUI_AnimatorOption_GetExpectedFrameRateRange(option); // 获取关键帧动画参数的期望帧率
            auto keyframeTime = OH_ArkUI_AnimatorOption_GetKeyframeTime(option, NUM_0); // 获取animator动画关键帧时间
            auto keyframeValue = OH_ArkUI_AnimatorOption_GetKeyframeValue(option, NUM_0); // 获取animator动画关键帧数值
            auto keyframeCurve = OH_ArkUI_AnimatorOption_GetKeyframeCurve(option, NUM_0); // 获取animator动画关键帧动画插值曲线
            g_animator_text->AnimatorToString(duration, delay, iterations, fill, direction, begin,
                end, *expected, keyframeTime, keyframeValue);
        }
    };

    // 注册点击事件的回调函数
    createButton->RegisterNodeEventReceiver(onTouch);
    createButton->SetButtonLabel("create");
    // 创建容器，用于存放button按键
    auto buttoColumn = std::make_shared<ArkUIColumnNode>();
    buttoColumn->SetPadding(NUM_30, false); // 设置布局格式，调整组件内间距，NUM_30 = 30
    buttoColumn->SetWidth(NUM_300); // NUM_300 = 300
    // 创建容器，用于存放playButton按键
    auto playButtonColumn = std::make_shared<ArkUIColumnNode>();
    playButtonColumn->SetPadding(NUM_10, false); // 设置布局格式，调整组件内间距，NUM_10 = 10
    playButtonColumn->SetWidth(NUM_300); // NUM_300 = 300
    // 设置animator播放按钮
    auto playButton = std::make_shared<ArkUIButtonNode>();
    playButton->SetButtonLabel("play");
    playButton->RegisterNodeEvent(playButton->GetHandle(), NODE_ON_CLICK, NUM_4, nullptr);
    auto onTouchPlay = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_4 = 4
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_4) {
            OH_ArkUI_Animator_Play(animatorHandle);
        }
    };
    playButton->RegisterNodeEventReceiver(onTouchPlay);
    // 设置animator结束按钮
    auto finishButton = std::make_shared<ArkUIButtonNode>();
    finishButton->SetButtonLabel("finish");
    finishButton->RegisterNodeEvent(finishButton->GetHandle(), NODE_ON_CLICK, NUM_5, nullptr); // NUM_5 = 5
    auto onTouchFinish = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_5 = 5
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_5) {
            OH_ArkUI_Animator_Finish(animatorHandle);
        }
    };
    finishButton->RegisterNodeEventReceiver(onTouchFinish);
    // 创建容器，用于存放resetButton按键
    auto resetButtonColumn = std::make_shared<ArkUIColumnNode>();
    resetButtonColumn->SetPadding(NUM_10, false); // 设置布局格式，调整组件内间距，NUM_10 = 10
    resetButtonColumn->SetWidth(NUM_300); // NUM_300 = 300
    // 设置animator更新按钮
    auto resetButton = std::make_shared<ArkUIButtonNode>();
    resetButton->SetButtonLabel("reset");
    resetButton->RegisterNodeEvent(resetButton->GetHandle(), NODE_ON_CLICK, NUM_6, nullptr); // NUM_6 = 6
    auto onTouchReset = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_6 = 6
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_6) {
            static ArkUI_AnimatorOption *option =  OH_ArkUI_AnimatorOption_Create(NUM_0); // Animator动画状态数
            OH_ArkUI_AnimatorOption_SetDuration(option, NUM_1000); // NUM_1000 = 1000
            OH_ArkUI_AnimatorOption_SetDelay(option, NUM_0);
            OH_ArkUI_AnimatorOption_SetIterations(option, NUM_4); // NUM_4 = 4
            // 根据实际业务需求选择下述两种曲线，设置OH_ArkUI_AnimatorOption_SetCurve
            auto curve = OH_ArkUI_Curve_CreateCurveByType(ARKUI_CURVE_EASE); // 动画以低速开始，然后加快，在结束前变慢
            auto stepsCurve = OH_ArkUI_Curve_CreateStepsCurve(NUM_20, true); // 构造阶梯曲线对象，NUM_20 = 20
            OH_ArkUI_AnimatorOption_SetCurve(option, curve);
            OH_ArkUI_AnimatorOption_SetBegin(option, NUM_200); // NUM_200 = 200
            OH_ArkUI_AnimatorOption_SetEnd(option, NUM_100); // NUM_100 = 100
            OH_ArkUI_AnimatorOption_RegisterOnFrameCallback(option, nullptr, [](ArkUI_AnimatorOnFrameEvent *event)
            {
                OH_ArkUI_AnimatorOnFrameEvent_GetUserData(event); // 获取动画事件对象中的用户自定义对象
                auto value = OH_ArkUI_AnimatorOnFrameEvent_GetValue(event); // 获取动画事件对象中的当前进度
                g_animator_button->SetWidth(value);
            });
            OH_ArkUI_Animator_ResetAnimatorOption(animatorHandle, option);
        }
    };
    resetButton->RegisterNodeEventReceiver(onTouchReset);
    // 设置animator暂停按钮
    auto pauseButton = std::make_shared<ArkUIButtonNode>();
    pauseButton->SetButtonLabel("pause");
    pauseButton->RegisterNodeEvent(pauseButton->GetHandle(), NODE_ON_CLICK, NUM_7, nullptr); // NUM_7 = 7
    auto onTouchPause = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_7 = 7
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_7) {
            OH_ArkUI_Animator_Pause(animatorHandle);
        }
    };
    pauseButton->RegisterNodeEventReceiver(onTouchPause);
    // 创建容器，用于存放cancelButton按键
    auto cancelButtonColumn = std::make_shared<ArkUIColumnNode>();
    cancelButtonColumn->SetPadding(NUM_10, false); // 设置布局格式，调整组件内间距，NUM_10 = 10
    cancelButtonColumn->SetWidth(NUM_300); // NUM_300 = 300
    // 设置animator取消按钮
    auto cancelButton = std::make_shared<ArkUIButtonNode>();
    cancelButton->SetButtonLabel("cancel");
    cancelButton->RegisterNodeEvent(cancelButton->GetHandle(), NODE_ON_CLICK, NUM_8, nullptr); // NUM_8 = 8
    auto onTouchCancel = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_8 = 8
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_8) {
            OH_ArkUI_Animator_Cancel(animatorHandle);
        }
    };
    cancelButton->RegisterNodeEventReceiver(onTouchCancel);
    // 设置animator以相反的顺序播放按钮
    auto reverseButton = std::make_shared<ArkUIButtonNode>();
    reverseButton->SetButtonLabel("reverse");
    reverseButton->RegisterNodeEvent(reverseButton->GetHandle(), NODE_ON_CLICK, NUM_9, nullptr);
    auto onTouchReverse = [](ArkUI_NodeEvent *event) {
        // 点击button按钮时触发该逻辑，NUM_9 = 9
        if (OH_ArkUI_NodeEvent_GetTargetId(event) == NUM_9) {
            OH_ArkUI_Animator_Reverse(animatorHandle);
        }
    };
    reverseButton->RegisterNodeEventReceiver(onTouchReverse);
    // 将button挂载在column上，返回column节点
    column->AddChild(g_animator_text);
    column->AddChild(textNode);
    column->AddChild(button);
    buttoColumn->AddChild(createButton);
    playButtonColumn->AddChild(playButton);
    buttoColumn->AddChild(playButtonColumn);
    buttoColumn->AddChild(finishButton);
    resetButtonColumn->AddChild(resetButton);
    buttoColumn->AddChild(resetButtonColumn);
    buttoColumn->AddChild(pauseButton);
    cancelButtonColumn->AddChild(cancelButton);
    buttoColumn->AddChild(cancelButtonColumn);
    buttoColumn->AddChild(reverseButton);
    column->AddChild(buttoColumn);
    return column;
}

ArkUIAnimate.h