cloudsolutions-atoms/lib/views/widgets/titles/expandable_info_row.dart

import 'package:flutter/material.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:test_sa/views/app_style/sizing.dart';
class ExpandableInfoRow extends StatefulWidget {
  final IconData iconData;
  final String title;
  final Widget child;

  const ExpandableInfoRow({Key key, this.iconData, this.title, this.child}) : super(key: key);

  @override
  _ExpandableInfoRowState createState() => _ExpandableInfoRowState();
}

class _ExpandableInfoRowState extends State<ExpandableInfoRow>
    with TickerProviderStateMixin{
  bool _isExpanded = false;
  @override
  Widget build(BuildContext context) {
    return InkWell(
      onTap: (){
        _isExpanded = !_isExpanded;
        setState(() {});
      },
      child: Column(
        children: [
          Row(
            children: <Widget>[
              widget.iconData != null ?
              Padding(
                padding: EdgeInsets.symmetric(
                  horizontal: 8 * AppStyle.getScaleFactor(context),
                  vertical: 2 * AppStyle.getScaleFactor(context),
                ),
                child: FaIcon(
                  widget.iconData,
                  color: Theme.of(context).primaryColor,
                  size: 20 * AppStyle.getScaleFactor(context),
                ),
              ):SizedBox.shrink(),
              Expanded(
                flex: 2,
                child: Text(
                  widget.title,
                  style: TextStyle(
                    //color: Theme.of(context).dividerColor,
                    fontSize: 14,
                    fontWeight: FontWeight.bold,
                  ),
                  textScaleFactor:  AppStyle.getScaleFactor(context),
                ),
              ),
              AnimatedSwitcher(
                duration: Duration(milliseconds: 400),
                transitionBuilder: (Widget child, Animation<double> animation) {
                  return FadeTransition(
                    child: ScaleTransition(
                        child: child,
                        scale: animation
                    ),
                    opacity: animation,
                  );
                },
                child: Icon(
                  _isExpanded
                      ? Icons.keyboard_arrow_up
                      : Icons.keyboard_arrow_down,
                  key: ValueKey(_isExpanded
                      ? "Icons.keyboard_arrow_up"
                      : "Icons.keyboard_arrow_down"),
                  color: Theme.of(context).primaryColor,
                  size: 24 * AppStyle.getScaleFactor(context),
                ),
              ),
            ],
          ),
          AnimatedSize(
            duration: Duration(milliseconds: 300),
            child: Visibility(
              visible: _isExpanded,
              child: Padding(
                padding: EdgeInsets.symmetric(vertical: 8 * AppStyle.getScaleFactor(context)),
                child: widget.child,
              )
            ),
          ),
          Divider(height: 2 * AppStyle.getScaleFactor(context),),
          SizedBox(height: 8 * AppStyle.getScaleFactor(context),),
        ],
      ),
    );
  }
}