HUD constructor
HUD({})
Initialize progress HUD template
Implementation
HUD({
Widget? progressIndicator,
this.color = Colors.black,
this.opacity = 0.6,
this.label,
this.labelStyle,
this.detailLabel,
this.detailLabelStyle,
}) : assert(opacity >= 0.0 && opacity <= 1.0),
progressIndicator = progressIndicator ??= const hud.ProgressIndicator();