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鸿蒙OS RoundProgressBar
2022-09-29 10:33 更新
RoundProgressBar
java.lang.Object
|---ohos.agp.components.Component
|---|---ohos.agp.components.ProgressBar
|---|---|---ohos.agp.components.RoundProgressBar
public class RoundProgressBar
extends ProgressBar表示 UI 上的圆形进度条。
圆形进度条可以是确定的或不确定的类型。它显示在 UI 或通知中，而不会中断用户操作。此类继承自 ProgressBar 并支持自定义元素对象和背景以显示不确定或确定的进度。有关详细信息，请参阅 ProgressBar.setInfiniteModeElement(ohos.agp.components.element.Element)、ProgressBar.setProgressBackgroundElement(ohos.agp.components.element.Element) 和 ProgressBar.setProgressElement(ohos.agp.components.element.Element)。上述方法通常与 ShapeElement、ShapeElement#ARC 和 ShapeElement#OVAL 一起使用。如果设置了其他形状，结果可能无法预测。如果您需要将默认元素对象替换为自定义元素对象，请注意 ShapeElement#setShape(int)) 中的参数。
不确定的回合进度
当操作所需的时间不确定时，使用不确定的圆形进度条。
确定回合进度
当需要显示某个操作的具体进度值时，使用确定的圆形进度条。您可以使用 ProgressBar.setProgressValue(int) 来更新当前进度。默认情况下，当圆形进度条上显示的进度值达到 100 时，操作完成。
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.ProgressBar 继承的嵌套类/接口 |
|---|
| ProgressBar.BarObserver |
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 |
构造函数摘要
| 构造函数 | 描述 |
|---|---|
| RoundProgressBar(Context context) | 用于使用默认属性集和样式创建 RoundProgressBar 实例的默认构造函数。 |
| RoundProgressBar(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 RoundProgressBar 实例的构造函数。 |
| RoundProgressBar(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 RoundProgressBar 实例的构造函数。 |
方法总结
| 修饰符和类型 | 方法 | 描述 |
|---|---|---|
| float | getMaxAngle() | 获取本轮进度条的最大扫角。 |
| float | getStartAngle() | 获取本轮进度条的起始角度。 |
| void | setMaxAngle(float maxAngle) | 设置此圆形进度条的最大扫描角度。 |
| void | setStartAngle(float startAngle) | 设置此圆形进度条的起始角度。 |
| 从类 ohos.agp.components.Component 继承的方法 |
|---|
| 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, 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 java.lang.Object 继承的方法 |
|---|
| clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| 从类 ohos.agp.components.ProgressBar 继承的方法 |
|---|
| addBarObserver, enableDividerLines, getBackgroundInstructElement, getDividerLineColor, getDividerLinesNumber, getDividerLineThickness, getInfiniteModeElement, getMax, getMaxHeight, getMaxWidth, getMin, getOrientation, getProgress, getProgressColor, getProgressColors, getProgressElement, getProgressHintText, getProgressHintTextAlignment, getProgressHintTextColor, getProgressHintTextSize, getProgressWidth, getStep, getViceProgressElement, getViceProgressValue, isDividerLinesEnabled, isIndeterminate, isInfiniteMode, removeBarObserver, setDividerLineColor, setDividerLinesNumber, setDividerLineThickness, setIndeterminate, setInfiniteModeElement, setMaxHeight, setMaxValue, setMaxWidth, setMinValue, setOrientation, setProgressBackgroundElement, setProgressColor, setProgressColors, setProgressElement, setProgressHintText, setProgressHintTextAlignment, setProgressHintTextColor, setProgressHintTextSize, setProgressValue, setProgressWidth, setStep, setViceProgress, setViceProgressElement |
构造函数详细信息
RoundProgressBar
public RoundProgressBar(Context context)
用于使用默认属性集和样式创建 RoundProgressBar 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。 |
RoundProgressBar
public RoundProgressBar(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 RoundProgressBar 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。 |
RoundProgressBar
public RoundProgressBar(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 RoundProgressBar 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。 |
方法详情
setStartAngle
public void setStartAngle(float startAngle)
设置此圆形进度条的起始角度。 此方法仅适用于确定的进度条。
参数：
| 参数名称 | 参数描述 |
|---|---|
| startAngle | 指示要设置的起始角度。 取值范围为 0 到 360 度。 |
Since:
3
getStartAngle
public float getStartAngle()
获取本轮进度条的起始角度。 此方法仅适用于确定的进度条。
返回:
返回起始角度。
Since:
3
setMaxAngle
public void setMaxAngle(float maxAngle)
设置此圆形进度条的最大扫描角度。 此方法仅适用于确定的进度条。
参数：
| 参数名称 | 参数描述 |
|---|---|
| maxAngle | 指示要设置的最大扫掠角。 取值范围为 0 到 360 度。 |
Since:
3
getMaxAngle
public float getMaxAngle()
获取本轮进度条的最大扫角。 默认情况下，它是 360 度。 此方法仅适用于确定的进度条。
返回:
返回最大扫角。
Since:
3
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