RefreshProgressIndicator constructor

const RefreshProgressIndicator({Key key, double value, Color backgroundColor, Animation<Color> valueColor, double strokeWidth: 2.0, String semanticsLabel, String semanticsValue })

Creates a refresh progress indicator.

Rather than creating a refresh progress indicator directly, consider using a RefreshIndicator together with a Scrollable widget.

Accessibility

The semanticsLabel can be used to identify the purpose of this progress bar for screen reading software. The semanticsValue property may be used for determinate progress indicators to indicate how much progress has been made.

Implementation 

const RefreshProgressIndicator({
  Key key,
  double value,
  Color backgroundColor,
  Animation<Color> valueColor,
  double strokeWidth = 2.0, // Different default than CircularProgressIndicator.
  String semanticsLabel,
  String semanticsValue,
}) : super(
  key: key,
  value: value,
  backgroundColor: backgroundColor,
  valueColor: valueColor,
  strokeWidth: strokeWidth,
  semanticsLabel: semanticsLabel,
  semanticsValue: semanticsValue,
);