harmony 鸿蒙LifecycleForm Switching

LifecycleForm Switching

API in the FA Model	Corresponding .d.ts File in the Stage Model	Corresponding API in the Stage Model
onCreate?(want: Want): formBindingData.FormBindingData;	\@ohos.app.form.FormExtensionAbility.d.ts	onAddForm(want: Want): formBindingData.FormBindingData;
onCastToNormal?(formId: string): void;	\@ohos.app.form.FormExtensionAbility.d.ts	onCastToNormalForm(formId: string): void;
onUpdate?(formId: string): void;	\@ohos.app.form.FormExtensionAbility.d.ts	onUpdateForm(formId: string): void;
onVisibilityChange?(newStatus: { [key: string]: number }): void;	\@ohos.app.form.FormExtensionAbility.d.ts	onChangeFormVisibility(newStatus: { [key: string]: number }): void;
onEvent?(formId: string, message: string): void;	\@ohos.app.form.FormExtensionAbility.d.ts	onFormEvent(formId: string, message: string): void;
onDestroy?(formId: string): void;	\@ohos.app.form.FormExtensionAbility.d.ts	onRemoveForm(formId: string): void;
onAcquireFormState?(want: Want): formInfo.FormState;	\@ohos.app.form.FormExtensionAbility.d.ts	onAcquireFormState?(want: Want): formInfo.FormState;
onShare?(formId: string): {[key: string]: Object};	\@ohos.app.form.FormExtensionAbility.d.ts	onShareForm?(formId: string): { [key: string]: Object };