ReadMoreLess constructor

const ReadMoreLess({ required String text, String? readLessText, String? readMoreText, Duration animationDuration = const Duration(milliseconds: 200), double collapsedHeight = 70, int maxLines = 4, TextStyle? textStyle, TextAlign textAlign = TextAlign.center, Widget? iconCollapsed, Widget? iconExpanded, Widget customButtonBuilder(bool isCollapsed, VoidCallback onPressed)?, Color iconColor = Colors.black, TextStyle? buttonTextStyle, Key? key, })

A widget that displays a text that can be expanded or collapsed.

Implementation

const ReadMoreLess({
  required this.text,
  this.readLessText,
  this.readMoreText,
  this.animationDuration = const Duration(milliseconds: 200),
  this.collapsedHeight = 70,
  this.maxLines = 4,
  this.textStyle,
  this.textAlign = TextAlign.center,
  this.iconCollapsed,
  this.iconExpanded,
  this.customButtonBuilder,
  this.iconColor = Colors.black,
  this.buttonTextStyle,
  super.key,
})  : assert(
        (iconCollapsed == null && iconExpanded == null) ||
            customButtonBuilder == null,
        'You cannot use custom icons while using a custom button builder',
      ),
      assert(
        buttonTextStyle == null || customButtonBuilder == null,
        'You cannot use a custom button style while using a custom '
        'button builder',
      ),
      assert(
        (readLessText == null && readMoreText == null) ||
            customButtonBuilder == null,
        'You cannot provide readLess or readMore text when using '
        'a custom button builder',
      );