on<U> method
void
on<U>(
- AlwaysAliveProviderListenable<
U> provider, - void invokeFunction(
- U? previous,
- U next
- bool skipUpdateCondition(
- U? previous,
- U next
inherited
Subscribe to another notifier's state changes
Implementation
@protected
void on<U>(
AlwaysAliveProviderListenable<U> provider,
void Function(U? previous, U next) invokeFunction, {
bool Function(U? previous, U next)? skipUpdateCondition,
}) =>
_ref.listen(
provider,
(previous, next) {
if (previous == next) return;
if (skipUpdateCondition?.call(previous, next) ?? false) return;
invokeFunction.call(previous, next);
},
);