watch<T extends Listenable?> method

@Deprecated("It is no longer possible to use [watch] by directly specifying [PageRef] or [WidgetRef]. Instead, use [ref.page.watch] or [ref.widget.watch] to specify the scope. [PageRef]や[WidgetRef]を直接指定しての[watch]の利用はできなくなります。代わりに[ref.page.watch]や[ref.widget.watch]でスコープを指定しての利用を行ってください。") T watch<T extends Listenable?>(T callback(QueryScopedValueRef<PageScopedValueRef> ref), { List<Object> keys = const [], Object? name, bool disposal = true, bool autoDisposeWhenUnreferenced = false, })

Implementation

@Deprecated(
  "It is no longer possible to use [watch] by directly specifying [PageRef] or [WidgetRef]. Instead, use [ref.page.watch] or [ref.widget.watch] to specify the scope. [PageRef]や[WidgetRef]を直接指定しての[watch]の利用はできなくなります。代わりに[ref.page.watch]や[ref.widget.watch]でスコープを指定しての利用を行ってください。",
)
T watch<T extends Listenable?>(
  T Function(QueryScopedValueRef<PageScopedValueRef> ref) callback, {
  List<Object> keys = const [],
  Object? name,
  bool disposal = true,
  bool autoDisposeWhenUnreferenced = false,
}) {
  return page.getScopedValue<T, _WatchValue<T, PageScopedValueRef>>(
    (ref) => _WatchValue<T, PageScopedValueRef>(
      callback: callback,
      keys: keys,
      ref: page,
      disposal: disposal,
      autoDisposeWhenUnreferenced: autoDisposeWhenUnreferenced,
    ),
    listen: true,
    name: name,
  );
}