createTicker method

@override Ticker createTicker(TickerCallback onTick)

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 ??= <Ticker>{};
  final ticker = Ticker(onTick, debugLabel: 'created by $this');
  _tickers!.add(ticker);

  // We'll track and clean up the ticker in onClose
  return ticker;
}