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TickTimer
java.lang.Object
|—ohos.agp.components.Component
|—|—ohos.agp.components.Text
|—|—|—ohos.agp.components.TickTimer
public class TickTimer
extends Text实现简单的计时器功能并继承自 Text。
此类设置一个从指定的基准时间向上或向下计数的计时器。 计时器每秒更新一次。
Since:
3
嵌套类摘要
| 修饰符和类型 | 类 | 描述 |
|---|---|---|
| static interface | TickTimer.TickListener | 监听定时器的增量事件。 |
| 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.Text 继承的嵌套类/接口 |
|---|
| Text.ConversionType, Text.EditorActionListener, Text.FontFamilyType, Text.TextColorObserver, Text.TextObserver, Text.TextSizeObserver, Text.TextSizeType, Text.TruncationMode |
字段摘要
| 修饰符和类型 | 字段 | 描述 |
|---|---|---|
| protected TickTimer.TickListener | mTickListener | 存储 tick 监听器。 |
| 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.Text 继承的字段 |
|---|
| AUTO_CURSOR_POSITION, AUTO_SCROLLING_FOREVER |
构造函数摘要
| 构造函数 | 描述 |
|---|---|
| TickTimer(Context context) | 用于使用默认属性集和样式创建 TickTimer 实例的默认构造函数。 |
| TickTimer(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 TickTimer 实例的构造函数。 |
| TickTimer(Context context, AttrSet attrSet, String styleName) | 用于在 XML 文件解析后使用指定的属性集和指定的样式创建 TickTimer 实例的构造函数。 |
方法总结
| 修饰符和类型 | 方法 | 描述 |
|---|---|---|
| long | getBaseTime() | 获取基准时间。 |
| String | getFormat() | 获取定时器的时间格式。 |
| boolean | isCountDown() | 指示计时器是从基准时间开始计数还是从基准时间开始计数。 |
| void | setBaseTime(long base) | 设置定时器的基准时间。 |
| void | setCountDown(boolean countDown) | 设置计时器是从基准时间开始计数还是从基准时间开始计数。 |
| void | setFormat(String format) | 设置 UI 上显示的时间格式。 |
| void | setTickListener(TickTimer.TickListener listener) | 设置 tick 监听器。 |
| void | start() | 启动计时器。 |
| void | stop() | 停止计时器。 |
| 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, 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, 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, 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.Text 继承的方法 |
|---|
| addTextObserver, adjustCursorPosition, append, delete, delete, delete, getAdditionalLineSpacing, getAroundElements, getAroundElementsPadding, getAroundElementsRelative, getAutoFontSizeRule, getAutoFontSizeStep, getAutoScrollingCount, getAutoScrollingDuration, getBaseLine, getBottomElement, getBottonElement, getBoundingRect, getBubbleElement, getBubbleHeight, getBubbleWidth, getCombinedPaddingBottom, getCombinedPaddingEnd, getCombinedPaddingLeft, getCombinedPaddingRight, getCombinedPaddingStart, getCombinedPaddingTop, getCursorElement, getCustomInputMethodOptions, getEditableString, getEditingText, getEditorAction, getEditorActionText, getEndElement, getExtraInputData, getFadeEffectBoundaryWidth, getFont, getFontFamilyType, getFontFeatures, getFontVariations, getHint, getHintColor, getHyphenationStrategy, getInputFilters, getInputMethodLocales, getInputMethodOption, getJustifyStrategy, getLeftElement, getLetterSpacing, getLineBreakStrategy, getLineCount, getLineHeight, getLocales, getMaxAutoFontSize, getMaxTextHeight, getMaxTextLines, getMaxTextWidth, getMaxWidthInEms, getMinAutoFontSize, getMinTextHeight, getMinTextLines, getMinTextWidth, getMinWidthInEms, getNumOfFontHeight, getOffsetByCoordinates, getPaddingForText, getPrimaryLocale, getRichText, getRightElement, getSelectionColor, getSelectionEnd, getSelectionLeftBubbleElement, getSelectionLeftBubbleHeight, getSelectionLeftBubbleWidth, getSelectionRightBubbleElement, getSelectionRightBubbleHeight, getSelectionRightBubbleWidth, getSelectionStart, getStartElement, getText, getTextAlignment, getTextColor, getTextConversion, getTextDirectionStrategy, getTextHorizontalScale, getTextInputType, getTextShadowColor, getTextShadowOffsetX, getTextShadowOffsetY, getTextShadowRadius, getTextSize, getTextSize, getTextToBottomSpace, getTextToTopSpace, getTopElement, getTruncationMode, getUrls, insert, insert, isAdjustInputPanel, isAllUpperCase, isAutoFontSize, isAutoSelectEnabled, isEditable, isFallbackFontMetricsEnabled, isFocusedByTouch, isHyperLinkClickable, isInputMethodActive, isMultipleLine, isScrollable, isSoftInputVisibleOnFocus, isTextCursorVisible, isTextSelectable, length, lockEditingState, moveToPosition, onCustomInputMethodCommand, onLockEditingState, onRtlChanged, onTextEditorAction, onUnlockEditingState, removeTextObserver, setAdjustInputPanel, setAroundElements, setAroundElementsPadding, setAroundElementsRelative, setAutoCursorAdjustmentEnabled, setAutoFontSize, setAutoFontSize, setAutoFontSizeRule, setAutoFontSizeRule, setAutoScrollingCount, setAutoScrollingDuration, setAutoSelectEnabled, setBubbleElement, setBubbleElement, setBubbleHeight, setBubbleSize, setBubbleWidth, setCursorElement, setCursorElement, setCursorPosition, setCustomInputMethodOptions, setEditable, setEditorActionListener, setEditorActionText, setExtraInputData, setFadeEffectBoundaryWidth, setFallbackFontMetricsEnabled, setFont, setFontFamilyType, setFontFeatures, setFontVariations, setHint, setHint, setHintColor, setHyperLinkClickable, setHyperLinkColor, setHyphenationStrategy, setInputFilters, setInputMethodLocales, setInputMethodOption, setJustifyStrategy, setLeftBubbleHeight, setLeftBubbleSize, setLeftBubbleWidth, setLetterSpacing, setLineBreakStrategy, setLineHeight, setLines, setLineSpacing, setLocales, setMaxCharacters, setMaxTextHeight, setMaxTextLines, setMaxTextWidth, setMaxWidthInEms, setMinTextHeight, setMinTextLines, setMinTextWidth, setMinWidthInEms, setMultipleLine, setPaddingForText, setPrimaryLocale, setRichText, setRightBubbleHeight, setRightBubbleSize, setRightBubbleWidth, setScrollable, setSelection, setSelectionColor, setSelectionLeftBubbleElement, setSelectionLeftBubbleElement, setSelectionRightBubbleElement, setSelectionRightBubbleElement, setSoftInputVisibleOnFocus, setText, setText, setTextAlignment, setTextColor, setTextConversion, setTextCursorVisible, setTextDirectionStrategy, setTextHeight, setTextHorizontalScale, setTextInputType, setTextSelectable, setTextShadow, setTextSize, setTextSize, setTextWidth, setTextWidthInEms, setTruncationMode, startAutoScrolling, stopAutoScrolling, unlockEditingState |
字段详细信息
mTickListener
protected TickTimer.TickListener mTickListener
存储 tick 监听器。
构造函数详细信息
TickTimer
public TickTimer(Context context)
用于使用默认属性集和样式创建 TickTimer 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。 |
TickTimer
public TickTimer(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 TickTimer 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。 |
TickTimer
public TickTimer(Context context, AttrSet attrSet, String styleName)
用于在 XML 文件解析后使用指定的属性集和指定的样式创建 TickTimer 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
setBaseTime
public void setBaseTime(long base)
设置定时器的基准时间。
基准时间由自 Unix 纪元以来经过的总毫秒数表示。
参数：
| 参数名称 | 参数描述 |
|---|---|
| base | 表示基准时间。 |
Throws:
| Throw名称 | Throw描述 |
|---|---|
| IllegalArgumentException | 如果 base 为负数，则抛出此异常。 |
Since:
4
getBaseTime
public long getBaseTime()
获取基准时间。
返回:
返回基准时间。
Since:
7
setCountDown
public void setCountDown(boolean countDown)
设置计时器是从基准时间开始计数还是从基准时间开始计数。 默认情况下，计时器从基准时间开始计数。
true 表示计时器倒计时到基准时间； false 表示计时器从基准时间开始计数。
参数：
| 参数名称 | 参数描述 |
|---|---|
| countDown | 表示倒计时标志。 |
Since:
3
isCountDown
public boolean isCountDown()
指示计时器是从基准时间开始计数还是从基准时间开始计数。 默认情况下，计时器从基准时间开始计数。
此方法设置倒计时标志以确定计时器是向上计数还是向下计数。 true 表示计时器倒计时到基准时间； false 表示计时器从基准时间开始计数。
返回:
如果计时器倒计时到基准时间，则返回 true； 否则返回 false。
Since:
3
setFormat
public void setFormat(String format)
设置 UI 上显示的时间格式。
一个示例时间格式是“mm:ss”。
参数：
| 参数名称 | 参数描述 |
|---|---|
| format | 以字符串形式表示时间格式。 |
Since:
3
getFormat
public String getFormat()
获取定时器的时间格式。
该方法获取setFormat(java.lang.String)设置的时间格式。
返回:
返回表示时间格式的字符串。
Since:
3
start
public void start()
启动计时器。
Since:
3
stop
public void stop()
停止计时器。
Since:
3
setTickListener
public void setTickListener(TickTimer.TickListener listener)
设置 tick 监听器。
该方法将自定义的TickListener实例与mNativeComponentPtr指定的内部定时器相关联，以监听定时器的计数并实现回调任务。
参数：
| 参数名称 | 参数描述 |
|---|---|
| listener | 定时器的自定义回调实例。 |
Since:
3
