ClassicFooter constructor
      const
      ClassicFooter({ 
    
    
- Key? key,
- VoidCallback? onClick,
- LoadStyle loadStyle = LoadStyle.ShowAlways,
- double height = 60.0,
- OuterBuilder? outerBuilder,
- TextStyle textStyle = const TextStyle(color: Colors.grey),
- String? loadingText,
- String? noDataText,
- Widget? noMoreIcon,
- String? idleText,
- String? failedText,
- String? canLoadingText,
- Widget? failedIcon = const Icon(Icons.error, color: Colors.grey),
- IconPosition iconPos = IconPosition.left,
- double spacing = 15.0,
- Duration completeDuration = const Duration(milliseconds: 300),
- Widget? loadingIcon,
- Widget? canLoadingIcon = const Icon(Icons.autorenew, color: Colors.grey),
- Widget? idleIcon = const Icon(Icons.arrow_upward, color: Colors.grey),
Implementation
const ClassicFooter({
  Key? key,
  VoidCallback? onClick,
  LoadStyle loadStyle = LoadStyle.ShowAlways,
  double height = 60.0,
  this.outerBuilder,
  this.textStyle = const TextStyle(color: Colors.grey),
  this.loadingText,
  this.noDataText,
  this.noMoreIcon,
  this.idleText,
  this.failedText,
  this.canLoadingText,
  this.failedIcon = const Icon(Icons.error, color: Colors.grey),
  this.iconPos = IconPosition.left,
  this.spacing = 15.0,
  this.completeDuration = const Duration(milliseconds: 300),
  this.loadingIcon,
  this.canLoadingIcon = const Icon(Icons.autorenew, color: Colors.grey),
  this.idleIcon = const Icon(Icons.arrow_upward, color: Colors.grey),
}) : super(
        key: key,
        loadStyle: loadStyle,
        height: height,
        onClick: onClick,
      );