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) {
  assert(_ticker == null,
      'A ReactrSingleTickerProviderStateMixin can only be used as a TickerProvider once.');
  _ticker = Ticker(onTick, debugLabel: 'created by $this');

  // We'll dispose the ticker in onClose
  return _ticker!;
}