import 'package:d_chart/d_chart.dart';
import 'package:flutter/material.dart';
class LineChart extends StatelessWidget {
const LineChart({super.key});
@override
Widget build(BuildContext context) {
List<NumericData> numericDataList = [
NumericData(domain: 1, measure: 3),
NumericData(domain: 2, measure: 5),
NumericData(domain: 3, measure: 9),
NumericData(domain: 4, measure: 6.5),
];
List<NumericData> numericDataList2 = [
NumericData(domain: 1, measure: 5),
NumericData(domain: 2, measure: 9),
NumericData(domain: 3, measure: 7),
NumericData(domain: 4, measure: 12),
];
return Container(
child: AspectRatio(
aspectRatio: 16 / 9,
child: DChartLineN(
allowSliding: false,
animate: true,
animationDuration: const Duration(milliseconds: 300),
flipVertical: false,
configRenderLine: ConfigRenderLine(
areaOpacity: 0.3,
includeArea: true,
dashPattern: [10, 10, 20],
includeLine: true,
includePoints: true,
radiusPx: 3.5,
strokeWidthPx: 2,
),
areaColor: (group, numericData, index) {
if (group.id == 'id') {
return Colors.red[100];
}
return Colors.blue.shade100;
},
layoutMargin: LayoutMargin(20, 20, 20, 20),
dashPattern: (group, numericData, index) {
if (group.id == 'id') {
if (numericData.domain == 1) {
return [5];
}
if (numericData.domain == 3) {
return [10];
}
return [];
}
return [20, 20];
},
domainAxis: DomainAxis(
),
measureAxis: MeasureAxis(
),
groupList: [
NumericGroup(
id: 'id2',
data: numericDataList2,
color: Colors.purple,
),
NumericGroup(
id: 'id',
data: numericDataList,
color: Colors.green,
),
],
),
),
);
}
}