import 'package:flutter/material.dart'; class AirManualReport extends StatelessWidget { final List> sampleData = [ {"Station": "Air Site A", "Parameter": "PM2.5", "Value": "42"}, {"Station": "Air Site B", "Parameter": "SO2", "Value": "18"}, ]; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar(title: Text("Air Manual Report")), body: Padding( padding: const EdgeInsets.all(24), child: Column( crossAxisAlignment: CrossAxisAlignment.start, children: [ Text("Manual Sampling Report", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)), SizedBox(height: 16), DataTable( columns: [ DataColumn(label: Text("Station")), DataColumn(label: Text("Parameter")), DataColumn(label: Text("Value")), ], rows: sampleData.map((data) { return DataRow(cells: [ DataCell(Text(data["Station"]!)), DataCell(Text(data["Parameter"]!)), DataCell(Text(data["Value"]!)), ]); }).toList(), ), ], ), ), ); } }