harmony(鸿蒙)JS API Changes of the Accessibility Subsystem

2022-08-09
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JS API Changes of the Accessibility Subsystem

The table below lists the APIs changes of the accessibility subsystem in OpenHarmony 3.1 Release over OpenHarmony 3.0 LTS.

API Changes

Module	Class	Method/Attribute/Enumeration/Constant	Change Type
ohos.accessibility	EventInfo	itemCount?: number;	Added
ohos.accessibility	EventInfo	endIndex?: number;	Added
ohos.accessibility	EventInfo	currentIndex?: number;	Added
ohos.accessibility	EventInfo	beginIndex?: number;	Added
ohos.accessibility	EventInfo	lastContent?: string;	Added
ohos.accessibility	EventInfo	contents?: Array<string>;	Added
ohos.accessibility	EventInfo	textMoveUnit?: TextMoveUnit;	Added
ohos.accessibility	EventInfo	triggerAction: Action;	Added
ohos.accessibility	EventInfo	description?: string;	Added
ohos.accessibility	EventInfo	pageId ?: number;	Added
ohos.accessibility	EventInfo	componentType?: string;	Added
ohos.accessibility	EventInfo	bundleName: string;	Added
ohos.accessibility	EventInfo	windowUpdateType?: WindowUpdateType;	Added
ohos.accessibility	EventInfo	type: EventType;	Added
ohos.accessibility	EventInfo	constructor(jsonObject);	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly eventTypes: Array<EventType>;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly description: string;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly capabilities: Array<Capability>;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly abilityTypes: Array<AbilityType>;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly bundleName: string;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly name: string;	Added
ohos.accessibility	AccessibilityAbilityInfo	readonly id: string;	Added
ohos.accessibility	CaptionsStyle	windowColor: number \|string;	Added
ohos.accessibility	CaptionsStyle	backgroundColor: number \|string;	Added
ohos.accessibility	CaptionsStyle	fontEdgeType: CaptionsFontEdgeType;	Added
ohos.accessibility	CaptionsStyle	fontColor: number \|string;	Added
ohos.accessibility	CaptionsStyle	fontScale: number;	Added
ohos.accessibility	CaptionsStyle	fontFamily: CaptionsFontFamily;	Added
ohos.accessibility	CaptionsManager	off(type: ‘styleChange’, callback?: Callback<CaptionsStyle>): void;	Added
ohos.accessibility	CaptionsManager	off(type: ‘enableChange’, callback?: Callback<boolean>): void;	Added
ohos.accessibility	CaptionsManager	on(type: ‘styleChange’, callback: Callback<CaptionsStyle>): void;	Added
ohos.accessibility	CaptionsManager	on(type: ‘enableChange’, callback: Callback<boolean>): void;	Added
ohos.accessibility	CaptionsManager	style: CaptionsStyle;	Added
ohos.accessibility	CaptionsManager	enabled: boolean;	Added
ohos.accessibility	accessibility	getCaptionsManager(): CaptionsManager;	Added
ohos.accessibility	accessibility	off(type: ‘touchGuideStateChange’, callback?: Callback<boolean>): void;	Added
ohos.accessibility	accessibility	off(type: ‘accessibilityStateChange’, callback?: Callback<boolean>): void;	Added
ohos.accessibility	accessibility	on(type: ‘touchGuideStateChange’, callback: Callback<boolean>): void;	Added
ohos.accessibility	accessibility	on(type: ‘accessibilityStateChange’, callback: Callback<boolean>): void;	Added
ohos.accessibility	accessibility	sendEvent(event: EventInfo, callback: AsyncCallback<void>): void; sendEvent(event: EventInfo): Promise<void>;	Added
ohos.accessibility	accessibility	getAbilityLists(abilityType: AbilityType, stateType: AbilityState, callback: AsyncCallback<Array<AccessibilityAbilityInfo>>): void; getAbilityLists(abilityType: AbilityType, stateType: AbilityState): Promise<Array<AccessibilityAbilityInfo>>;	Added
ohos.accessibility	accessibility	isOpenTouchGuide(callback: AsyncCallback<boolean>): void; isOpenTouchGuide(): Promise<boolean>;	Added
ohos.accessibility	accessibility	isOpenAccessibility(callback: AsyncCallback<boolean>): void; isOpenAccessibility(): Promise<boolean>;	Added