PingPainter constructor

PingPainter({ double startAngle = 0.0, double sweepAngle = 360.0, Color color = Colors.blue, double strokeWidth = 1, })

默认是画圆

Implementation

PingPainter(
    {this.startAngle = 0.0,
    this.sweepAngle = 360.0,
    this.color = Colors.blue,
    this.strokeWidth = 1});