createTicker method
- @override
override
Creates a ticker with the given callback.
The kind of ticker provided depends on the kind of ticker provider.
Implementation
@override
Ticker createTicker(TickerCallback onTick) {
_tickers ??= Set<_TestTicker>();
final _TestTicker result = _TestTicker(onTick, _removeTicker);
_tickers.add(result);
return result;
}