simple tableview with optional expandable rows

lib/widgets/table_view/table_view.dart

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+import 'package:flutter/material.dart';
+import 'package:stackwallet/widgets/table_view/table_view_row.dart';
+
+class TableView extends StatefulWidget {
+  const TableView({Key? key, required this.rows}) : super(key: key);
+
+  final List<TableViewRow> rows;
+
+  @override
+  State<TableView> createState() => _TableViewState();
+}
+
+class _TableViewState extends State<TableView> {
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: widget.rows,
+    );
+  }
+}

lib/widgets/table_view/table_view_cell.dart

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+import 'package:flutter/material.dart';
+
+class TableViewCell extends StatelessWidget {
+  const TableViewCell({
+    Key? key,
+    required this.flex,
+    required this.child,
+  }) : super(key: key);
+
+  final int flex;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return child;
+  }
+}

lib/widgets/table_view/table_view_row.dart

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+import 'package:flutter/material.dart';
+import 'package:stackwallet/utilities/cfcolors.dart';
+import 'package:stackwallet/widgets/expandable.dart';
+import 'package:stackwallet/widgets/table_view/table_view_cell.dart';
+
+class TableViewRow extends StatelessWidget {
+  const TableViewRow({
+    Key? key,
+    required this.cells,
+    required this.expandingChild,
+    this.decoration,
+    this.onExpandChanged,
+    this.padding = const EdgeInsets.all(0),
+  }) : super(key: key);
+
+  final List<TableViewCell> cells;
+  final Widget? expandingChild;
+  final Decoration? decoration;
+  final void Function(ExpandableState)? onExpandChanged;
+  final EdgeInsetsGeometry padding;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      decoration: decoration,
+      child: expandingChild == null
+          ? Padding(
+              padding: padding,
+              child: Row(
+                children: [
+                  ...cells.map(
+                    (e) => Expanded(
+                      flex: e.flex,
+                      child: e,
+                    ),
+                  ),
+                ],
+              ),
+            )
+          : Expandable(
+              onExpandChanged: onExpandChanged,
+              header: Padding(
+                padding: padding,
+                child: Row(
+                  children: [
+                    ...cells.map(
+                      (e) => Expanded(
+                        flex: e.flex,
+                        child: e,
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              body: Column(
+                children: [
+                  Container(
+                    color: CFColors.buttonBackSecondary,
+                    width: double.infinity,
+                    height: 1,
+                  ),
+                  expandingChild!,
+                ],
+              ),
+            ),
+    );
+  }
+}