ComponentContainer

java.lang.Object
- ohos.agp.components.Component
- - ohos.agp.components.ComponentContainer

所有已实现的接口:

ComponentParent

直接已知子类:

AdaptiveBoxLayout, DependentLayout, DirectionalLayout, FlexLayout, ListComponent, ListContainer, MagicLayout, PositionLayout, SlideDrawer, StackLayout, TableLayout
```
public abstract class ComponentContainer
extends Component
implements ComponentParent
```
A special component that can contain other components (called child components).
This layout base class inherits from Component.

从以下版本开始:

1

嵌套类概要

嵌套类
限定符和类型	类	说明
`static interface`	`ComponentContainer.ArrangeListener`	Provides an interface for customizing the component arrangement process.
`static class`	`ComponentContainer.LayoutConfig`	Provides layout parameters, such as width and height and margin.

从类继承的嵌套类/接口 ohos.agp.components.Component
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

字段概要

字段
限定符和类型	字段	说明
`static int`	`FOCUS_CHILDREN_FIRST`	Indicates that this component takes focus before any of its children.
`static int`	`FOCUS_CHILDREN_HIDE`	Indicates that this component blocks its children from getting focus, even if they are focusable.
`static int`	`FOCUS_PARENT_FIRST`	Indicates that this component takes focus only if none of its children request focus.
`protected ComponentContainer.ArrangeListener`	`mArrangeListener`	Customizes children components' arrangement during arrange process

从类继承的字段 ohos.agp.components.Component
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

构造器概要

构造器
构造器	说明
`ComponentContainer(Context context)`	Default constructor used to create a `ComponentContainer` instance by using the default attribute set and style.
`ComponentContainer(Context context, AttrSet attrSet)`	A constructor used to create a `ComponentContainer` instance by using specified attribute set and default style after the XML file is parsed.
`ComponentContainer(Context context, AttrSet attrSet, String styleName)`	A constructor used to create a `ComponentContainer` instance by using specified attribute set and specified style after the XML file is parsed.

方法概要

所有方法实例方法具体方法
限定符和类型	方法	说明
`void`	`addComponent(Component childComponent)`	Adds a component to the end of the queue by invoking `addComponent(ohos.agp.components.Component,int index)` internally.
`void`	`addComponent(Component childComponent, int index)`	Adds a component to the specified position.
`void`	`addComponent(Component childComponent, int width, int height)`	Adds a component and sets its width and height.
`void`	`addComponent(Component childComponent, int index, ComponentContainer.LayoutConfig layoutConfig)`	Adds a component and sets its layout parameters and location.
`void`	`addComponent(Component childComponent, ComponentContainer.LayoutConfig layoutConfig)`	Adds a component and sets its layout parameters.
`ComponentContainer.LayoutConfig`	`createLayoutConfig(Context context, AttrSet attrSet)`	Creates layout parameters using the attribute set of a child component.
`protected void`	`dispatchRestoreState(PlainArray<Sequenceable> stateContainer)`	Distribute the state restore process to restore the states of this component and its child components.
`protected void`	`dispatchSaveState(PlainArray<Sequenceable> stateContainer)`	Distribute the state saving process to save the states of this component and its child components.
`<T extends Component> T`	`findComponentById(int id)`	Finds the component with the given ID.
`ComponentHolder`	`findComponentHolderById(int resId)`	Gets an instance of componentHolder using resource id.
`boolean`	`getAutoLayout()`	Obtains whether automatic layout is enabled.
`int`	`getChildCount()`	Obtains the quantity of child components.
`int`	`getChildIndex(Component component)`	Queries the position of a child component.
`Component`	`getComponentAt(int index)`	Obtains a child component using an index.
`ComponentTransition`	`getComponentTransition()`	Obtains the `ComponentTransition` object of the component.
`int`	`getFocusOrder()`	Obtains the focusability of this component relative to its descendants.
`LayoutManager`	`getLayoutManager()`	Obtains a `LayoutManager` object, which is used to lay out relevant child components.
`void`	`informConfigurationChanged(Configuration config)`	Dispatches a configuration change event.
`boolean`	`isClipToChildBoundsEnabled()`	Obtains whether the drawing range of a child component can exceed the boundary of the child component.
`boolean`	`isClipToPaddingBoundsEnabled()`	Obtains whether the drawing range of a component can exceed the boundary of its padding bounds.
`boolean`	`isTouchEventSplitable()`	Obtains whether the touch events of this ComponentContainer can be split.
`void`	`moveChildToFront(Component component)`	Brings a child component to the front.
`boolean`	`onDrag(Component component, DragEvent event)`	Called when a drag event is dispatched to the component.
`void`	`removeAllComponents()`	Clears all components managed by `ComponentContainer`.
`void`	`removeComponent(Component component)`	Removes a child component from the parent component.
`void`	`removeComponentAt(int index)`	Removes the component from a specified position in the component list.
`void`	`removeComponentById(int id)`	Removes a component based on its ID.
`void`	`removeComponents(int start, int count)`	Removes all components from specified positions in a component list.
`protected void`	`setArrangeListener(ComponentContainer.ArrangeListener listener)`	Adds a listener on component-container's arrangement process.
`void`	`setAutoLayout(boolean autoLayout)`	Sets whether to enable automatic layout.
`void`	`setAutoLayout(boolean autoLayout, int columnType)`	Sets whether to enable automatic layout and set the column type.
`void`	`setClipToChildBoundsEnabled(boolean enable)`	Controls whether the drawing range of a child component can exceed the boundary of the child component.
`void`	`setClipToPaddingBoundsEnabled(boolean enable)`	Controls whether the drawing range of a component can exceed the boundary of its padding bounds.
`void`	`setComponentTransition(ComponentTransition componentTransition)`	Sets a `ComponentTransition` object.
`void`	`setFocusOrder(int focusability)`	Sets the focusability of this component relative to its descendants.
`void`	`setLayoutManager(LayoutManager layoutManager)`	Sets a `LayoutManager` instance, which is used to lay out relevant child components.
`void`	`setTouchEventSplitable(boolean enable)`	Controls whether dispatch split touch event to multiple children.
`ComponentContainer.LayoutConfig`	`verifyLayoutConfig(ComponentContainer.LayoutConfig config)`	Verifies layout parameters based on the current layout type.

从类继承的方法 ohos.agp.components.Component
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

从接口继承的方法 ohos.agp.components.ComponentParent
getComponentParent, postLayout

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - FOCUS_CHILDREN_FIRST
```
public static final int FOCUS_CHILDREN_FIRST
```
    Indicates that this component takes focus before any of its children.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    setFocusOrder(int), 常量字段值
  - FOCUS_CHILDREN_HIDE
```
public static final int FOCUS_CHILDREN_HIDE
```
    Indicates that this component blocks its children from getting focus, even if they are focusable.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    setFocusOrder(int), 常量字段值
  - FOCUS_PARENT_FIRST
```
public static final int FOCUS_PARENT_FIRST
```
    Indicates that this component takes focus only if none of its children request focus.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    setFocusOrder(int), 常量字段值
  - mArrangeListener
```
protected ComponentContainer.ArrangeListener mArrangeListener
```
    Customizes children components' arrangement during arrange process
- 构造器详细资料
  - ComponentContainer
```
public ComponentContainer(Context context)
```
    Default constructor used to create a ComponentContainer instance by using the default attribute set and style.
    
    参数:
    
    context - Indicates the application context.
  - ComponentContainer
```
public ComponentContainer(Context context,
                          AttrSet attrSet)
```
    A constructor used to create a ComponentContainer instance by using specified attribute set and default style after the XML file is parsed.
    
    参数:
    
    context - Indicates the application context.
    
    attrSet - Indicates the attribute set to be used.
  - ComponentContainer
```
public ComponentContainer(Context context,
                          AttrSet attrSet,
                          String styleName)
```
    A constructor used to create a ComponentContainer instance by using specified attribute set and specified style after the XML file is parsed.
    
    参数:
    
    context - Indicates the application context.
    
    attrSet - Indicates the attribute set to be used.
    
    styleName - Indicates the style name to use.
- 方法详细资料
  - verifyLayoutConfig
```
public ComponentContainer.LayoutConfig verifyLayoutConfig(ComponentContainer.LayoutConfig config)
```
    Verifies layout parameters based on the current layout type.
    
    指定者:
    
    verifyLayoutConfig 在接口中 ComponentParent
    
    参数:
    
    config - Indicates a group of layout parameters to be converted into a ComponentContainer instance.
    
    返回:
    
    Returns the LayoutConfig instance, which represents the layout parameters.
  - createLayoutConfig
```
public ComponentContainer.LayoutConfig createLayoutConfig(Context context,
                                                          AttrSet attrSet)
```
    Creates layout parameters using the attribute set of a child component.
    
    参数:
    
    context - Indicates the application context.
    
    attrSet - Indicates the attribute set.
    
    返回:
    
    Returns the layout parameters created.
  - setArrangeListener
```
protected void setArrangeListener(ComponentContainer.ArrangeListener listener)
```
    Adds a listener on component-container's arrangement process.
    
    参数:
    
    listener - Specifies the arrangement listener for a component container.
    
    从以下版本开始:
    
    5
    
    另请参阅:
    
    ComponentContainer.ArrangeListener
  - findComponentById
```
public <T extends Component> T findComponentById(int id)
```
    Finds the component with the given ID.
    If the ID of the current component itself matches the given ID, the current component is returned. Otherwise, null is returned.
    
    覆盖:
    
    findComponentById 在类中 Component
    
    参数:
    
    id - Indicates a unique identifier of a component.
    
    返回:
    
    Returns the component whose ID matches the given ID; returns null if no component is found.
  - addComponent
```
public void addComponent(Component childComponent)
```
    Adds a component to the end of the queue by invoking addComponent(ohos.agp.components.Component,int index) internally.
    
    参数:
    
    childComponent - Indicates the child component to add.
  - addComponent
```
public void addComponent(Component childComponent,
                         int width,
                         int height)
```
    Adds a component and sets its width and height.
    
    参数:
    
    childComponent - Indicates the child component to add.
    
    width - Indicates the width of the child component, in pixels.
    
    height - Indicates the height of the child component, in pixels.
  - addComponent
```
public void addComponent(Component childComponent,
                         ComponentContainer.LayoutConfig layoutConfig)
```
    Adds a component and sets its layout parameters.
    
    参数:
    
    childComponent - Indicates the child component to add.
    
    layoutConfig - Indicates the layout parameters of the child component.
  - addComponent
```
public void addComponent(Component childComponent,
                         int index,
                         ComponentContainer.LayoutConfig layoutConfig)
```
    Adds a component and sets its layout parameters and location.
    
    参数:
    
    childComponent - Indicates the child component to add.
    
    index - Indicates where to add the child component. The value -1 means to add the child component to the end of the queue.
    
    layoutConfig - Indicates the layout parameters of the child component.
  - addComponent
```
public void addComponent(Component childComponent,
                         int index)
```
    Adds a component to the specified position.
    If no layout parameters are set for this child component, the default layout parameters of ComponentContainer are used.
    
    参数:
    
    childComponent - Indicates the child component to add.
    
    index - Indicates where to add the child component. The value -1 means to add the component to the end. If a number greater than the value of getChildCount() is provided, a runtime exception is returned.
  - getComponentAt
```
public Component getComponentAt(int index)
```
    Obtains a child component using an index.
    ComponentContainer uses an internal list to store child component information. You can obtain specified child components using the index.
    
    参数:
    
    index - Indicates the index of child components.
    
    返回:
    
    Returns the child component.
  - getChildIndex
```
public int getChildIndex(Component component)
```
    Queries the position of a child component.
    
    指定者:
    
    getChildIndex 在接口中 ComponentParent
    
    参数:
    
    component - Indicates the child component to query.
    
    返回:
    
    Returns a positive integer, which represents the position of the child component in the parent component; returns -1 if the child component is not included in the parent component.
  - findComponentHolderById
```
public ComponentHolder findComponentHolderById(int resId)
```
    Gets an instance of componentHolder using resource id.
    
    覆盖:
    
    findComponentHolderById 在类中 Component
    
    参数:
    
    resId - Resource id of componentHolder.
    
    返回:
    
    Instance of componentHolder.
    
    从以下版本开始:
    
    4
  - removeComponent
```
public void removeComponent(Component component)
```
    Removes a child component from the parent component.
    
    指定者:
    
    removeComponent 在接口中 ComponentParent
    
    参数:
    
    component - Indicates the child component to remove.
  - removeComponentAt
```
public void removeComponentAt(int index)
```
    Removes the component from a specified position in the component list.
    
    指定者:
    
    removeComponentAt 在接口中 ComponentParent
    
    参数:
    
    index - Indicates the position index of the component to remove.
  - removeComponentById
```
public void removeComponentById(int id)
```
    Removes a component based on its ID.
    
    参数:
    
    id - Indicates the component ID.
    
    从以下版本开始:
    
    4
  - removeComponents
```
public void removeComponents(int start,
                             int count)
```
    Removes all components from specified positions in a component list.
    
    指定者:
    
    removeComponents 在接口中 ComponentParent
    
    参数:
    
    start - Indicates the position index of the first removed component.
    
    count - Indicates the quantity of components to remove.
  - removeAllComponents
```
public void removeAllComponents()
```
    Clears all components managed by ComponentContainer.
  - moveChildToFront
```
public void moveChildToFront(Component component)
```
    Brings a child component to the front.
    
    指定者:
    
    moveChildToFront 在接口中 ComponentParent
    
    参数:
    
    component - Indicates the component to bring to the front.
  - getChildCount
```
public int getChildCount()
```
    Obtains the quantity of child components.
    
    返回:
    
    Returns the quantity of child components.
  - informConfigurationChanged
```
public void informConfigurationChanged(Configuration config)
```
    从类复制的说明: Component
    
    Dispatches a configuration change event. The event processing logic is implemented by Component.onAttributeConfigChanged(ohos.global.configuration.Configuration).
    
    覆盖:
    
    informConfigurationChanged 在类中 Component
    
    参数:
    
    config - Indicates the latest configuration.
    
    另请参阅:
    
    Component.onAttributeConfigChanged(Configuration)
  - getFocusOrder
```
public int getFocusOrder()
```
    Obtains the focusability of this component relative to its descendants.
    Currently, this affects non-touch focus changes only.
    
    返回:
    
    Returns the focusability, which can be FOCUS_PARENT_FIRST, FOCUS_CHILDREN_FIRST, or FOCUS_CHILDREN_HIDE.
    
    从以下版本开始:
    
    4
  - setFocusOrder
```
public void setFocusOrder(int focusability)
```
    Sets the focusability of this component relative to its descendants.
    Currently, this affects non-touch focus changes only.
    
    参数:
    
    focusability - Indicates the focusability, which can be FOCUS_PARENT_FIRST, FOCUS_CHILDREN_FIRST, or FOCUS_CHILDREN_HIDE.
    
    从以下版本开始:
    
    4
  - setAutoLayout
```
public void setAutoLayout(boolean autoLayout)
```
    Sets whether to enable automatic layout.
    
    参数:
    
    autoLayout - Indicates the automatic layout status. true means to enable automatic layout, and false means to disable it.
  - setAutoLayout
```
public void setAutoLayout(boolean autoLayout,
                          int columnType)
```
    Sets whether to enable automatic layout and set the column type.
    
    参数:
    
    autoLayout - true means to enable automatic layout, and false means to disable it.
    
    columnType - Indicates the column type to use.
  - getAutoLayout
```
public boolean getAutoLayout()
```
    Obtains whether automatic layout is enabled.
    
    返回:
    
    Returns true if automatic layout is enabled; returns false otherwise.
  - onDrag
```
public boolean onDrag(Component component,
                      DragEvent event)
```
    Called when a drag event is dispatched to the component.
    
    指定者:
    
    onDrag 在接口中 ComponentParent
    
    覆盖:
    
    onDrag 在类中 Component
    
    参数:
    
    component - Indicates the component.
    
    event - Indicates the drag event.
    
    返回:
    
    Returns true if the drag event is processed correctly; returns false otherwise.
  - setLayoutManager
```
public void setLayoutManager(LayoutManager layoutManager)
```
    Sets a LayoutManager instance, which is used to lay out relevant child components.
    
    参数:
    
    layoutManager - Indicates the layout manager to set.
    
    从以下版本开始:
    
    5
  - getLayoutManager
```
public LayoutManager getLayoutManager()
```
    Obtains a LayoutManager object, which is used to lay out relevant child components.
    
    返回:
    
    Returns a LayoutManager object of this component container.
    
    从以下版本开始:
    
    5
  - setComponentTransition
```
public void setComponentTransition(ComponentTransition componentTransition)
```
    Sets a ComponentTransition object.
    
    参数:
    
    componentTransition - Indicates the ComponentTransition object to be used. This parameter can not be null.
    
    从以下版本开始:
    
    4
    
    另请参阅:
    
    ComponentTransition
  - getComponentTransition
```
public ComponentTransition getComponentTransition()
```
    Obtains the ComponentTransition object of the component.
    
    返回:
    
    Returns the ComponentTransition object.
    
    从以下版本开始:
    
    4
  - setClipToChildBoundsEnabled
```
public void setClipToChildBoundsEnabled(boolean enable)
```
    Controls whether the drawing range of a child component can exceed the boundary of the child component.
    
    从以下版本开始:
    
    7
  - isClipToChildBoundsEnabled
```
public boolean isClipToChildBoundsEnabled()
```
    Obtains whether the drawing range of a child component can exceed the boundary of the child component.
    
    返回:
    
    Returns whether the drawing range of a child component can exceed the boundary of the child component.
    
    从以下版本开始:
    
    7
  - setClipToPaddingBoundsEnabled
```
public void setClipToPaddingBoundsEnabled(boolean enable)
```
    Controls whether the drawing range of a component can exceed the boundary of its padding bounds.
    
    从以下版本开始:
    
    7
  - isClipToPaddingBoundsEnabled
```
public boolean isClipToPaddingBoundsEnabled()
```
    Obtains whether the drawing range of a component can exceed the boundary of its padding bounds.
    
    返回:
    
    Returns whether the drawing range of a component can exceed the boundary of its padding bounds.
    
    从以下版本开始:
    
    7
  - setTouchEventSplitable
```
public void setTouchEventSplitable(boolean enable)
```
    Controls whether dispatch split touch event to multiple children. The feature is disabled by default.
    
    参数:
    
    enable - true means allowing to dispatch split touch event to multiple children, and false means not allow.
    
    从以下版本开始:
    
    7
  - isTouchEventSplitable
```
public boolean isTouchEventSplitable()
```
    Obtains whether the touch events of this ComponentContainer can be split.
    
    返回:
    
    true if touch events dispatched to this ComponentContainer can be split to multiple children.
    
    从以下版本开始:
    
    7
  - dispatchSaveState
```
protected void dispatchSaveState(PlainArray<Sequenceable> stateContainer)
```
    Distribute the state saving process to save the states of this component and its child components.
    
    覆盖:
    
    dispatchSaveState 在类中 Component
    
    参数:
    
    stateContainer - Indicates the container to hold the state information.
  - dispatchRestoreState
```
protected void dispatchRestoreState(PlainArray<Sequenceable> stateContainer)
```
    Distribute the state restore process to restore the states of this component and its child components.
    
    覆盖:
    
    dispatchRestoreState 在类中 Component
    
    参数:
    
    stateContainer - Indicates the container that holds the state information to be restored.

类 ComponentContainer

嵌套类概要

从类继承的嵌套类/接口 ohos.agp.components.Component

字段概要

从类继承的字段 ohos.agp.components.Component

构造器概要

方法概要

从类继承的方法 ohos.agp.components.Component

从接口继承的方法 ohos.agp.components.ComponentParent

从类继承的方法 java.lang.Object

字段详细资料

FOCUS_CHILDREN_FIRST

FOCUS_CHILDREN_HIDE

FOCUS_PARENT_FIRST

mArrangeListener

构造器详细资料

ComponentContainer

ComponentContainer

ComponentContainer

方法详细资料

verifyLayoutConfig

createLayoutConfig

setArrangeListener

findComponentById

addComponent

addComponent

addComponent

addComponent

addComponent

getComponentAt

getChildIndex

findComponentHolderById

removeComponent

removeComponentAt

removeComponentById

removeComponents

removeAllComponents

moveChildToFront

getChildCount

informConfigurationChanged

getFocusOrder

setFocusOrder

setAutoLayout

setAutoLayout

getAutoLayout

onDrag

setLayoutManager

getLayoutManager

setComponentTransition

getComponentTransition

setClipToChildBoundsEnabled

isClipToChildBoundsEnabled

setClipToPaddingBoundsEnabled

isClipToPaddingBoundsEnabled

setTouchEventSplitable

isTouchEventSplitable

dispatchSaveState

dispatchRestoreState