harmony(鸿蒙)JS API Changes of the ArkUI Development Framework

2022-08-09
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JS API Changes of the ArkUI Development Framework

The table below lists the APIs changes of the ArkUI development framework in OpenHarmony 3.1 Release over OpenHarmony 3.0 LTS.

API Changes

Component Type	Component Name	Change Type	Change Description
Universal event	onFocus/onBlur	Added	Added the focus events.
Universal event	onHover/onMouse	Added	Added the mouse events.
Universal event	onAreaChange	Added	Added the event indicating component area (including the size and position) changes.
Universal attribute	stateStyles	Added	Added the attribute for polymorphic style settings.
Universal attribute	responseRegion	Added	Added the attribute for touch hotspot settings.
Universal attribute	touchable	Added	Added the attribute that specifies whether a component is touchable.
Universal attribute	focusable	Added	Added the attribute that specifies whether a component can gain focus.
Universal attribute	bindPopup	Added	Added the layout customization capability for pop-up windows.
Universal attribute	bindMenu	Added	Added the layout customization capability for menus.
Universal attribute	hoverEffect	Added	Added the attribute that specifies the hover effect of a component.
General gesture	SwipeGesture	Added	Added the swipe gesture.
Basic component	Image	Added	Added the syncLoad attribute to specify whether data is loaded synchronously.
Basic component	Swiper	Added	Added the cachedCount attribute to set the number of preloaded child components.
Basic component	Swiper	Added	Added the disableSwipe attribute to disable component swipe.
Basic component	Slider	Added	Added the vertical slider.
Basic component	TabContent	Added	Added the tabbar attribute to provide the layout customization capability.
Basic component	Marquee	Added	Added the <Marquee> component.
Basic component	Gauge	Added	Added the <Gauge> component.
Basic component	PluginComponent	Added	Added the <PluginComponent> component.
Basic component	TextArea	Added	Added the <TextArea> component.
Basic component	TextInput	Added	Added the <TextInput> component.
Basic component	Toggle	Added	Added the <Toggle> component.
Container component	List	Added	Added the <List> component.
Container component	ScrollBar	Added	Added the <ScrollBar> component.
Container component	Navigation	Added	Added the <Navigation> component.
Container component	Stepper	Added	Added the <Stepper> component.
Container component	StepperItem	Added	Added the <StepperItem> component.
Canvas component	Canvas	Added	Added the <Canvas> component.
Canvas component	Lottie	Added	Added the support for the Lottie library.
Global UI method	ActionSheet	Added	Added the support for the list selection dialog box.
Basic component	Web	Added	Added the <Web> component.
Basic component	Checkbox	Added	Added the <Checkbox> component to enable or disable an option.
Basic component	CheckboxGroup	Added	Added the <CheckboxGroup> component to select or deselect all check boxes in a group.
Basic component	DatePicker	Added	Added the <DatePicker> component to allow users to select a date from the given range.
Basic component	TextPicker	Added	Added the <TextPicker> component.
Basic component	PatternLock	Added	Added the <PatternLock> component to allow users to use a pattern password for authentication.
Basic component	RichText	Added	Added the <RichText> component to parse and display HTML text.
Basic component	Search	Added	Added the <Search> component to provide an input area for users to search.
Basic component	Select	Added	Added the <Select> component to provide a drop-down list box that allows users to select among multiple options.
Basic component	TextClock	Added	Added the <TextClock> component.
Container component	Refresh	Added	Added the <Refresh> component.
Container component	SideBarContainer	Added	Added the <SideBarContainer> component.
Global UI method	TextPickerDialog	Added	Added the <TextPickerDialog> component.
Global UI method	TimePickerDialog	Added	Added the <TimePickerDialog> component.
Global UI method	DatePickerDialog	Added	Added the <DatePickerDialog> component.