createTicker method

  1. @override
Ticker createTicker(
  1. TickerCallback onTick
)
inherited

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) {
  if (_tickerModeNotifier == null) {
    // Setup TickerMode notifier before we vend the first ticker.
    _updateTickerModeNotifier();
  }
  assert(_tickerModeNotifier != null);
  _tickers ??= <_WidgetTicker>{};
  final TickerModeData values = _tickerModeNotifier!.value;
  final result =
      _WidgetTicker(
          onTick,
          this,
          debugLabel: kDebugMode ? 'created by ${describeIdentity(this)}' : null,
        )
        ..muted = !values.enabled
        ..forceFrames = values.forceFrames;
  _tickers!.add(result);
  return result;
}