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鸿蒙OS NestedScrollCoordinator

2024-04-03 分类：鸿蒙OS开发文档

NestedScrollCoordinator

java.lang.Object

|—ohos.agp.components.Component

|—|—ohos.agp.components.ComponentContainer

|—|—|—ohos.agp.components.DirectionalLayout

|—|—|—|—ohos.agp.components.NestedScrollCoordinator

public class NestedScrollCoordinator
extends DirectionalLayout

提供一个布局来协调可滚动组件和目标组件

Since:

3

嵌套类摘要

从类 ohos.agp.components.Component 继承的嵌套类/接口
Component.BindStateChangedListener, Component.CanAcceptScrollListener, Component.ClickedListener, Component.ComponentStateChangedListener, Component.ContourRefreshedListener, Component.DefSpeechEventListener, Component.DoubleClickedListener, Component.DragFeedbackProvider, Component.DraggedListener, Component.DrawTask, Component.EditEventListener, Component.EstimateSizeListener, Component.EstimateSpec, Component.FadeEffectEnum, Component.FocusChangedListener, Component.ForwardHoverListener, Component.ForwardTouchListener, Component.GestureType, Component.HoverEventListener, Component.KeyEventListener, Component.LayoutDirection, Component.LayoutRefreshedListener, Component.LongClickedListener, Component.MeasureSpec, Component.MouseEventListener, Component.MousePointerStyleListener, Component.OnDragListener, Component.RotationEventListener, Component.ScaledListener, Component.ScrolledListener, Component.ShadowDevice, Component.ShadowMode, Component.ShadowSize, Component.SpeechEventListener, Component.TouchEventListener, Component.UnconsumedKeyEventListener, Component.VoiceEvent
从类 ohos.agp.components.ComponentContainer 继承的嵌套类/接口
ComponentContainer.ArrangeListener
从类 ohos.agp.components.DirectionalLayout 继承的嵌套类/接口
DirectionalLayout.LayoutConfig

字段摘要

从类 ohos.agp.components.Component 继承的字段
ACCESSIBILITY_ADAPTABLE, ACCESSIBILITY_DISABLE, ACCESSIBILITY_ENABLE, AXIS_X, AXIS_Y, CONTOUR_BACKGROUND, CONTOUR_BORDER, CONTOUR_PADDING_BORDER, DEFAULT_SCALE, DRAG_DOWN, DRAG_HORIZONTAL, DRAG_HORIZONTAL_VERTICAL, DRAG_LEFT, DRAG_RIGHT, DRAG_UP, DRAG_VERTICAL, EVENT_TYPE_COMPONENT_ACCESSIBILITY_FOCUSED, EVENT_TYPE_COMPONENT_ACCESSIBILITY_FOCUSED_CLEAR, EVENT_TYPE_COMPONENT_CLICKED, EVENT_TYPE_COMPONENT_FOCUSED, EVENT_TYPE_COMPONENT_LONG_CLICKED, EVENT_TYPE_COMPONENT_SCROLLED, EVENT_TYPE_COMPONENT_SELECTED, EVENT_TYPE_COMPONENT_TEXT_UPDATE, EVENT_TYPE_NOTICE, EVENT_TYPE_NOTIFICATION_STATE_UPDATE, EVENT_TYPE_TOAST_SHOW, EVENT_TYPE_WINDOW_STATE_UPDATE, FOCUS_ADAPTABLE, FOCUS_DISABLE, FOCUS_ENABLE, FOCUS_NEXT, FOCUS_PREVIOUS, FOCUS_SIDE_BOTTOM, FOCUS_SIDE_LEFT, FOCUS_SIDE_RIGHT, FOCUS_SIDE_TOP, HIDE, HORIZONTAL, ID_DEFAULT, INHERITED_MODE, INVISIBLE, mBackgroundElement, mCanvasForTaskOverContent, mCanvasForTaskUnderContent, mComponentParent, mContext, mDrawTaskOverContent, mDrawTaskUnderContent, mEstimateSizeListener, mForegroundElement, mForwardHoverListener, mHoverEventListener, mKeyEventListener, mMouseEventListener, mPosition, mRotationEventListener, mShadowElement, mUnconsumedKeyEventListener, OVAL_MODE, OVAL_SCROLL_BAR_MODE, POSITION_X_INDEX, POSITION_Y_INDEX, RECT_MODE, RECT_SCROLL_BAR_MODE, SCROLL_AUTO_STAGE, SCROLL_IDLE_STAGE, SCROLL_NORMAL_STAGE, UNSPECIFIED_SCROLL_BAR_MODE, VERTICAL, VISIBLE
从类 ohos.agp.components.ComponentContainer 继承的字段
FOCUS_CHILDREN_FIRST, FOCUS_CHILDREN_HIDE, FOCUS_PARENT_FIRST, mArrangeListener

构造函数摘要

构造函数 描述
NestedScrollCoordinator(Context context) 用于使用默认属性集和样式创建 NestedScrollCoordinator 实例的默认构造函数。
NestedScrollCoordinator(Context context, AttrSet attrSet) 用于在解析 XML 文件后使用指定的属性集和默认样式创建 NestedScrollCoordinator 实例的构造函数。
NestedScrollCoordinator(Context context, AttrSet attrSet, String styleName) 用于在解析 XML 文件后使用指定的属性集和指定的样式创建 NestedScrollCoordinator 实例的构造函数。

方法总结

从类 ohos.agp.components.Component 继承的方法
addDrawTask, addDrawTask, addScrolledListener, announceAccessibility, arrange, bindCornerMark, callOnClick, canScroll, clearFocus, createAnimatorProperty, disableFadeEffect, draw, enableCornerMark, enableFadeEffect, enableSaveState, enableScrollBar, estimateSize, executeDoubleClick, executeLongClick, findFocus, findNextFocusableComponent, findRequestNextFocus, getAccessibility, getAccessibilityDescription, getAlpha, getAltitude, getBackgroundElement, getBaseLine, getBottom, getBoundaryFadeEffectBottomRate, getBoundaryFadeEffectLeftRate, getBoundaryFadeEffectRightRate, getBoundaryFadeEffectTopRate, getCenterZoomFactor, getCentralScrollMode, getClickedListener, getClipEnabled, getComponentDescription, getComponentMinSize, getComponentParent, getComponentPosition, getComponentSize, getComponentStateChangedListener, getComponentTreeObserver, getContentEnable, getContentPosition, getContentPositionX, getContentPositionY, getContext, getContour, getContourRefreshedListener, getCornerMark, getDragAcceptAngle, getDraggedListener, getEditEventListener, getEstimatedHeight, getEstimatedWidth, getFadeEffectBoundaryWidth, getFadeEffectColor, getFocusable, getFocusBorderEnable, getFocusBorderPadding, getFocusBorderRadius, getFocusBorderWidth, getForegroundElement, getForegroundGravity, getForwardHoverListener, getForwardTouchListener, getGesturePriority, getHeight, getHorizontalPadding, getHorizontalPosition, getHoverEventListener, getId, getKeyEventListener, getLayoutConfig, getLayoutDirection, getLayoutDirectionResolved, getLayoutRefreshedListener, getLeft, getLocationOnScreen, getMarginBottom, getMarginLeft, getMarginRight, getMargins, getMarginsLeftAndRight, getMarginsTopAndBottom, getMarginTop, getMatrix, getMinHeight, getMinWidth, getMode, getModeResolved, getMouseEventListener, getMousePointerStyleListener, getName, getPadding, getPaddingBottom, getPaddingEnd, getPaddingLeft, getPaddingRight, getPaddingStart, getPaddingTop, getPivot, getPivotX, getPivotY, getResourceManager, getRight, getRotation, getRotationEventListener, getRotationSensitivity, getScale, getScaledListener, getScaleX, getScaleY, getScrollbarBackgroundColor, getScrollbarColor, getScrollbarFadingDelay, getScrollbarFadingDuration, getScrollBarMode, getScrollbarRadius, getScrollbarRoundRect, getScrollbarStartAngle, getScrollbarSweepAngle, getScrollbarThickness, getScrollState, getScrollValue, getSelfVisibleRect, getShadowColor, getSpeechEventListener, getTag, getTop, getTouchEventListener, getTransitionSymbol, getTranslation, getTranslationX, getTranslationY, getTranslationZ, getUserNextFocus, getVerticalPadding, getVerticalPosition, getVisibility, getVisibleRectOnScreen, getWidth, getWindowVisibleRect, hasFocus, hasFocusedEffect, hasOverlaps, hideFocusBorder, invalidate, isBoundaryFadeEffectEnable, isBoundToWindow, isClickable, isClipToContourEnabled, isComponentDisplayed, isEnabled, isFadeEffected, isFocusable, isFocused, isIdentityMatrix, isLongClickOn, isPressed, isRtl, isSaveStateEnabled, isScrollbarFadingOn, isScrollBarOn, isScrollbarOverlapEnabled, isSelected, isSoundEnable, isTouchFocusable, isVibrationEffectEnabled, notifyAccessibility, onAttributeConfigChanged, onRestoreState, onRtlChanged, onSaveState, performScale, playSound, postLayout, refreshContour, release, removeBindStateChangedListener, removeScrolledListener, requestFocus, requestForceForwardTouchEvent, restoreComponentTreeState, saveComponentTreeState, scrollBy, scrollTo, setAccessibility, setAccessibilityDescription, setAlpha, setAltitude, setBackground, setBindStateChangedListener, setBottom, setBoundaryFadeEffectEnable, setCanAcceptScrollListener, setCenterZoomFactor, setCentralScrollMode, setClickable, setClickedListener, setClipEnabled, setClipToContourEnabled, setComponentDescription, setComponentMinSize, setComponentPosition, setComponentPosition, setComponentSize, setComponentStateChangedListener, setContentEnable, setContentPosition, setContentPositionX, setContentPositionY, setContour, setContourRefreshedListener, setDoubleClickedListener, setDragAcceptAngle, setDraggedListener, setEditEventListener, setEnabled, setEstimatedSize, setEstimateSizeListener, setFadeEffectBoundaryWidth, setFadeEffectColor, setFocusable, setFocusBorderEnable, setFocusBorderPadding, setFocusBorderRadius, setFocusBorderRadius, setFocusBorderWidth, setFocusChangedListener, setFocusedEffect, setForeground, setForegroundGravity, setForwardHoverListener, setForwardTouchListener, setGesturePriority, setHeight, setHorizontalPadding, setHorizontalPosition, setHoverEventListener, setId, setKeyEventListener, setLayoutConfig, setLayoutDirection, setLayoutRefreshedListener, setLeft, setLongClickable, setLongClickedListener, setMarginBottom, setMarginLeft, setMarginRight, setMarginsLeftAndRight, setMarginsTopAndBottom, setMarginTop, setMinHeight, setMinWidth, setMode, setMouseEventListener, setMousePointerStyleListener, setName, setOnDragListener, setPadding, setPaddingBottom, setPaddingLeft, setPaddingRelative, setPaddingRight, setPaddingTop, setPivot, setPivot, setPivotX, setPivotY, setPosition, setPositionX, setPositionY, setPressState, setRight, setRotation, setRotationEventListener, setRotationSensitivity, setScale, setScaledListener, setScaleX, setScaleY, setScrollbarBackgroundColor, setScrollbarColor, setScrollbarFadingDelay, setScrollbarFadingDuration, setScrollbarFadingEnabled, setScrollBarMode, setScrollbarOverlapEnabled, setScrollbarRadius, setScrollbarRoundRect, setScrollbarStartAngle, setScrollbarSweepAngle, setScrollbarThickness, setScrolledListener, setSelected, setShadowColor, setShadowStyle, setSoundEnable, setSpeechEventListener, setTag, setTop, setTouchEventListener, setTouchFocusable, setTransitionSymbol, setTranslation, setTranslationX, setTranslationY, setTranslationZ, setUnconsumedKeyEventListener, setUserNextFocus, setVerticalPadding, setVerticalPosition, setVibrationEffectEnabled, setVisibility, setWidth, showFocusBorder, simulateClick, simulateDrag, startDragAndDrop, subscribeVoiceEvents, unsubscribeVoiceEvents
从类 ohos.agp.components.ComponentContainer 继承的方法
addComponent, addComponent, addComponent, addComponent, addComponent, dispatchRestoreState, dispatchSaveState, findComponentById, findComponentHolderById, getAutoLayout, getChildCount, getChildIndex, getComponentAt, getComponentTransition, getFocusOrder, getLayoutManager, informConfigurationChanged, isClipToChildBoundsEnabled, isClipToPaddingBoundsEnabled, isTouchEventSplitable, moveChildToFront, onDrag, removeAllComponents, removeComponent, removeComponentAt, removeComponentById, removeComponents, setArrangeListener, setAutoLayout, setAutoLayout, setClipToChildBoundsEnabled, setClipToPaddingBoundsEnabled, setComponentTransition, setFocusOrder, setLayoutManager, setTouchEventSplitable
从接口 ohos.agp.components.ComponentParent 继承的方法
getComponentParent, postLayout
从类 ohos.agp.components.DirectionalLayout 继承的方法
createLayoutConfig, getAlignment, getOrientation, getTotalWeight, isLayoutBaselined, setAlignment, setLayoutBaselined, setOrientation, setTotalWeight, verifyLayoutConfig
从类 java.lang.Object 继承的方法
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造函数详细信息

NestedScrollCoordinator

public NestedScrollCoordinator(Context context)

用于使用默认属性集和样式创建 NestedScrollCoordinator 实例的默认构造函数。

参数：

参数名称 参数描述
context 指示应用程序上下文。

NestedScrollCoordinator

public NestedScrollCoordinator(Context context, AttrSet attrSet)

用于在解析 XML 文件后使用指定的属性集和默认样式创建 NestedScrollCoordinator 实例的构造函数。

参数：

参数名称 参数描述
context 指示应用程序上下文。
attrSet 指示要使用的属性集。

NestedScrollCoordinator

public NestedScrollCoordinator(Context context, AttrSet attrSet, String styleName)

用于在解析 XML 文件后使用指定的属性集和指定的样式创建 NestedScrollCoordinator 实例的构造函数。

参数：

参数名称 参数描述
context 指示应用程序上下文。
attrSet 指示要使用的属性集。
styleName 指示要使用的样式名称。
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