鸿蒙OS RadioButton

RadioButton

java.lang.Object

|---ohos.agp.components.Component

|---|---ohos.agp.components.Text

|---|---|---ohos.agp.components.Button

|---|---|---|---ohos.agp.components.AbsButton

|---|---|---|---|---ohos.agp.components.RadioButton

public class RadioButton
extends AbsButton

提供一个单选按钮，可以选择或取消选择。

如果未选择单选按钮，您可以单击或按下它来选择它。 但是，如果已选择单选按钮，则无法再次单击它以取消选择它。 这与复选框不同。 多个 RadioButton 实例通常用于 RadioContainer 实例。 如果 RadioContainer 包含多个 RadioButton 实例，选择一个单选按钮将自动取消选择其他单选按钮。

Since:

1

嵌套类摘要

从类 ohos.agp.components.AbsButton 继承的嵌套类/接口
AbsButton.CheckedStateChangedListener

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

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
RadioButton(Context context)	用于使用默认属性集和样式创建 RadioButton 实例的默认构造函数。
RadioButton(Context context, AttrSet attrSet)	用于在 XML 文件解析后使用指定的属性集和默认样式创建 RadioButton 实例的构造函数。
RadioButton(Context context, AttrSet attrSet, String styleName)	一个构造函数，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 RadioButton 实例。

方法总结

修饰符和类型	方法	描述
void	setTextColor(Color color)	已弃用。 此更改从 API 版本 8 开始生效。替换为 setTextColorOff(Color) 和 setTextColorOn(Color)

从类 ohos.agp.components.AbsButton 继承的方法
getButtonElement, getTextColorOff, getTextColorOn, isChecked, setButtonElement, setChecked, setCheckedStateChangedListener, setTextColorOff, setTextColorOn, toggle

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, setTextConversion, setTextCursorVisible, setTextDirectionStrategy, setTextHeight, setTextHorizontalScale, setTextInputType, setTextSelectable, setTextShadow, setTextSize, setTextSize, setTextWidth, setTextWidthInEms, setTruncationMode, startAutoScrolling, stopAutoScrolling, unlockEditingState

构造函数详细信息

RadioButton

public RadioButton(Context context)

用于使用默认属性集和样式创建 RadioButton 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。

RadioButton

public RadioButton(Context context, AttrSet attrSet)

用于在 XML 文件解析后使用指定的属性集和默认样式创建 RadioButton 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。

RadioButton

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

一个构造函数，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 RadioButton 实例。

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

setTextColor

@Deprecated public void setTextColor(Color color)

已弃用。 此更改从 API 版本 8 开始生效。替换为 setTextColorOff(Color) 和 setTextColorOn(Color)

设置文本组件的文本颜色。

覆盖：

类 Text 中的 setTextColor

参数：

参数名称	参数描述
color	指示文本颜色。