程序包 ohos.agp.components

类 PageSliderIndicator

java.lang.Object

ohos.agp.components.Component

ohos.agp.components.PageSliderIndicator

public final class PageSliderIndicator
extends Component

Indicates which page is selected on PageSlider.

If a PageSlider contains multiple pages, it can be associated with PageSliderIndicator so that the indicator of the selected page can be displayed.

从以下版本开始:

3

嵌套类概要

嵌套类

限定符和类型	类	说明
protected static class	PageSliderIndicator.IndicatorSelectionHandler	Processes events of selecting a page contained in the PageSlider instance.

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

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

方法概要

限定符和类型	方法	说明
void	addOnSelectionChangedListener(PageSlider.PageChangedListener listener)	Adds a listener to listen for page change events.
void	addPageChangedListener(PageSlider.PageChangedListener listener)	Adds a listener to listen for page change events.
int	getCount()	Obtains the number of indicator items.
Element[]	getItemElements()	Obtains the Element object of each selected and deselected indicator item.
Element	getItemNormalElement()	Obtains the Element object of the indicator of a non-selected item.
int	getItemOffset()	Obtains the offset between indicator items.
Element	getItemSelectedElement()	Obtains the Element object of the indicator of a selected item.
int	getOnSelectionChangedListenerCount()	Obtains the number of added PageSlider.PageChangedListener listeners.
int	getPageChangedListenerCount()	Obtains the number of added PageSlider.PageChangedListener listeners.
PageSlider	getPageSlider()	Obtains an associated PageSlider object.
int	getSelected()	Obtains the position of a selected indicator item.
void	removeOnSelectionChangedListener(PageSlider.PageChangedListener listener)	Removes the PageSlider.PageChangedListener.
void	removePageChangedListener(PageSlider.PageChangedListener listener)	Removes the PageSlider.PageChangedListener.
void	setHeight(int height)	Sets the height of a component.
void	setItemElement(Element normal, Element selected)	Sets the Element object for each selected and deselected indicator item.
void	setItemNormalElement(Element normal)	Sets the Element object for the indicator of a non-selected item.
void	setItemOffset(int offset)	Sets the offset between indicator items.
void	setItemSelectedElement(Element selected)	Sets the Element object for the indicator of a selected item.
void	setPadding(int left, int top, int right, int bottom)	Sets the padding of the component.
void	setPageSlider(PageSlider pageSlider)	Associates an indicator item with a PageSlider object.
void	setSelected(int pos)	Sets the position of a selected indicator item.
void	setViewPager(PageSlider pageSlider)	Associates an indicator item with a PageSlider object.
void	setWidth(int width)	Sets the width of a component.

从类继承的方法 ohos.agp.components.Component

addDrawTask, addDrawTask, addScrolledListener, announceAccessibility, arrange, bindCornerMark, callOnClick, canScroll, clearFocus, createAnimatorProperty, disableFadeEffect, dispatchRestoreState, dispatchSaveState, draw, enableCornerMark, enableFadeEffect, enableSaveState, enableScrollBar, estimateSize, executeDoubleClick, executeLongClick, findComponentById, findComponentHolderById, 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, informConfigurationChanged, invalidate, isBoundaryFadeEffectEnable, isBoundToWindow, isClickable, isClipToContourEnabled, isComponentDisplayed, isEnabled, isFadeEffected, isFocusable, isFocused, isIdentityMatrix, isLongClickOn, isPressed, isRtl, isSaveStateEnabled, isScrollbarFadingOn, isScrollBarOn, isScrollbarOverlapEnabled, isSelected, isSoundEnable, isTouchFocusable, isVibrationEffectEnabled, notifyAccessibility, onAttributeConfigChanged, onDrag, 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, setHorizontalPadding, setHorizontalPosition, setHoverEventListener, setId, setKeyEventListener, setLayoutConfig, setLayoutDirection, setLayoutRefreshedListener, setLeft, setLongClickable, setLongClickedListener, setMarginBottom, setMarginLeft, setMarginRight, setMarginsLeftAndRight, setMarginsTopAndBottom, setMarginTop, setMinHeight, setMinWidth, setMode, setMouseEventListener, setMousePointerStyleListener, setName, setOnDragListener, 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, showFocusBorder, simulateClick, simulateDrag, startDragAndDrop, subscribeVoiceEvents, unsubscribeVoiceEvents

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

PageSliderIndicator

public PageSliderIndicator(Context context)

Default constructor used to create a PageSliderIndicator instance by using the default attribute set and style.

参数:

context - Indicates the application context.

PageSliderIndicator

public PageSliderIndicator(Context context,
                           AttrSet attrSet)

A constructor used to create a PageSliderIndicator 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.

PageSliderIndicator

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

A constructor used to create a PageSliderIndicator 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

setPageSlider

public void setPageSlider(PageSlider pageSlider)

Associates an indicator item with a PageSlider object.

参数:

pageSlider - Indicates the PageSlider object to be associated.

getPageSlider

public PageSlider getPageSlider()

Obtains an associated PageSlider object.

返回:

Returns the associated PageSlider object if any; returns null otherwise.

setViewPager

public void setViewPager(PageSlider pageSlider)

Associates an indicator item with a PageSlider object.

参数:

pageSlider - Indicates the PageSlider object to be associated.

addPageChangedListener

public void addPageChangedListener(PageSlider.PageChangedListener listener)

Adds a listener to listen for page change events.

The listener receives a notification when the selected page in PageSlider is changed.

参数:

listener - Indicates the listener used to listen for page change events.

从以下版本开始:

4

removePageChangedListener

public void removePageChangedListener(PageSlider.PageChangedListener listener)

Removes the PageSlider.PageChangedListener.

参数:

listener - Indicates the listener which have to be removed.

从以下版本开始:

4

addOnSelectionChangedListener

public void addOnSelectionChangedListener(PageSlider.PageChangedListener listener)

Adds a listener to listen for page change events.

The listener receives a notification when the selected page in PageSlider is changed.

参数:

listener - Indicates the listener used to listen for page change events.

removeOnSelectionChangedListener

public void removeOnSelectionChangedListener(PageSlider.PageChangedListener listener)

Removes the PageSlider.PageChangedListener.

参数:

listener - Indicates the listener which have to be removed.

getPageChangedListenerCount

public int getPageChangedListenerCount()

Obtains the number of added PageSlider.PageChangedListener listeners.

返回:

Returns the number of added PageSlider.PageChangedListener listeners.

从以下版本开始:

4

getOnSelectionChangedListenerCount

public int getOnSelectionChangedListenerCount()

Obtains the number of added PageSlider.PageChangedListener listeners.

返回:

Returns the number of added PageSlider.PageChangedListener listeners.

getCount

public int getCount()

Obtains the number of indicator items.

返回:

Returns the number of indicator items.

setSelected

public void setSelected(int pos)

Sets the position of a selected indicator item. Changes current item in linked PageSlider object.

参数:

pos - Indicates the position of the selected indicator item.

getSelected

public int getSelected()

Obtains the position of a selected indicator item.

返回:

Returns the position of the selected indicator item.

setItemElement

public void setItemElement(Element normal,
                           Element selected)

Sets the Element object for each selected and deselected indicator item.

参数:

normal - Indicates the Element object for the deselected indicator item.

selected - Indicates the Element object for the selected indicator item.

setItemNormalElement

public void setItemNormalElement(Element normal)

Sets the Element object for the indicator of a non-selected item.

参数:

normal - Indicates the Element object to set.

从以下版本开始:

4

setItemSelectedElement

public void setItemSelectedElement(Element selected)

Sets the Element object for the indicator of a selected item.

参数:

selected - Indicates the Element object to set.

从以下版本开始:

4

getItemElements

public Element[] getItemElements()

Obtains the Element object of each selected and deselected indicator item.

返回:

Returns the Element object of each selected and deselected indicator item.

另请参阅:

setItemElement(Element, Element)

getItemNormalElement

public Element getItemNormalElement()

Obtains the Element object of the indicator of a non-selected item.

返回:

Returns the Element object.

从以下版本开始:

4

另请参阅:

setItemNormalElement(Element)

getItemSelectedElement

public Element getItemSelectedElement()

Obtains the Element object of the indicator of a selected item.

返回:

Returns the Element object.

从以下版本开始:

4

另请参阅:

setItemSelectedElement(Element)

setItemOffset

public void setItemOffset(int offset)

Sets the offset between indicator items.

参数:

offset - Indicates the offset between indicator items.

getItemOffset

public int getItemOffset()

Obtains the offset between indicator items.

返回:

Returns the offset between indicator items.

setWidth

public void setWidth(int width)

从类复制的说明: Component

Sets the width of a component.

This method modifies the width in the LayoutConfig object associated with the component.The actual effect varies depending on the parent layout type.

覆盖:

setWidth 在类中 Component

参数:

width - Indicates the width of the component, in unit of pixels. A value less than 0 means that the component will not be displayed.

setHeight

public void setHeight(int height)

从类复制的说明: Component

Sets the height of a component.

This method modifies the height in the LayoutConfig object associated with the component. The actual effect varies depending on the parent layout type.

覆盖:

setHeight 在类中 Component

参数:

height - Indicates the height of the component, in unit of pixels. A value less than 0 means that the component will not be displayed.

setPadding

public void setPadding(int left,
                       int top,
                       int right,
                       int bottom)

从类复制的说明: Component

Sets the padding of the component.

A component reserves the spaces for the paddings on all four sizes before drawing itself.

覆盖:

setPadding 在类中 Component

参数:

left - Indicates the left padding in pixels.

top - Indicates the top padding in pixels.

right - Indicates the right padding in pixels.

bottom - Indicates the bottom padding in pixels.