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bar_chart_sample4.dart
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bar_chart_sample4.dart
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import 'package:fl_chart/fl_chart.dart';
import 'package:flutter/material.dart';
class BarChartSample4 extends StatefulWidget {
const BarChartSample4({Key? key}) : super(key: key);
@override
State<StatefulWidget> createState() => BarChartSample4State();
}
class BarChartSample4State extends State<BarChartSample4> {
final Color dark = const Color(0xff3b8c75);
final Color normal = const Color(0xff64caad);
final Color light = const Color(0xff73e8c9);
@override
Widget build(BuildContext context) {
return AspectRatio(
aspectRatio: 1.66,
child: Card(
elevation: 4,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(6)),
color: Colors.white,
child: Padding(
padding: const EdgeInsets.only(top: 16.0),
child: BarChart(
BarChartData(
alignment: BarChartAlignment.center,
barTouchData: BarTouchData(
enabled: false,
),
titlesData: FlTitlesData(
show: true,
bottomTitles: SideTitles(
showTitles: true,
getTextStyles: (context, value) =>
const TextStyle(color: Color(0xff939393), fontSize: 10),
margin: 10,
getTitles: (double value) {
switch (value.toInt()) {
case 0:
return 'Apr';
case 1:
return 'May';
case 2:
return 'Jun';
case 3:
return 'Jul';
case 4:
return 'Aug';
default:
return '';
}
},
),
leftTitles: SideTitles(
showTitles: true,
reservedSize: 40,
getTextStyles: (context, value) => const TextStyle(
color: Color(
0xff939393,
),
fontSize: 10),
margin: 0,
),
topTitles: SideTitles(showTitles: false),
rightTitles: SideTitles(showTitles: false),
),
gridData: FlGridData(
show: true,
checkToShowHorizontalLine: (value) => value % 10 == 0,
getDrawingHorizontalLine: (value) => FlLine(
color: const Color(0xffe7e8ec),
strokeWidth: 1,
),
),
borderData: FlBorderData(
show: false,
),
groupsSpace: 4,
barGroups: getData(),
),
),
),
),
);
}
List<BarChartGroupData> getData() {
return [
BarChartGroupData(
x: 0,
barsSpace: 4,
barRods: [
BarChartRodData(
toY: 17000000000,
rodStackItems: [
BarChartRodStackItem(0, 2000000000, dark),
BarChartRodStackItem(2000000000, 12000000000, normal),
BarChartRodStackItem(12000000000, 17000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 24000000000,
rodStackItems: [
BarChartRodStackItem(0, 13000000000, dark),
BarChartRodStackItem(13000000000, 14000000000, normal),
BarChartRodStackItem(14000000000, 24000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 23000000000.5,
rodStackItems: [
BarChartRodStackItem(0, 6000000000.5, dark),
BarChartRodStackItem(6000000000.5, 18000000000, normal),
BarChartRodStackItem(18000000000, 23000000000.5, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 29000000000,
rodStackItems: [
BarChartRodStackItem(0, 9000000000, dark),
BarChartRodStackItem(9000000000, 15000000000, normal),
BarChartRodStackItem(15000000000, 29000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 32000000000,
rodStackItems: [
BarChartRodStackItem(0, 2000000000.5, dark),
BarChartRodStackItem(2000000000.5, 17000000000.5, normal),
BarChartRodStackItem(17000000000.5, 32000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
],
),
BarChartGroupData(
x: 1,
barsSpace: 4,
barRods: [
BarChartRodData(
toY: 31000000000,
rodStackItems: [
BarChartRodStackItem(0, 11000000000, dark),
BarChartRodStackItem(11000000000, 18000000000, normal),
BarChartRodStackItem(18000000000, 31000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 35000000000,
rodStackItems: [
BarChartRodStackItem(0, 14000000000, dark),
BarChartRodStackItem(14000000000, 27000000000, normal),
BarChartRodStackItem(27000000000, 35000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 31000000000,
rodStackItems: [
BarChartRodStackItem(0, 8000000000, dark),
BarChartRodStackItem(8000000000, 24000000000, normal),
BarChartRodStackItem(24000000000, 31000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 15000000000,
rodStackItems: [
BarChartRodStackItem(0, 6000000000.5, dark),
BarChartRodStackItem(6000000000.5, 12000000000.5, normal),
BarChartRodStackItem(12000000000.5, 15000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 17000000000,
rodStackItems: [
BarChartRodStackItem(0, 9000000000, dark),
BarChartRodStackItem(9000000000, 15000000000, normal),
BarChartRodStackItem(15000000000, 17000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
],
),
BarChartGroupData(
x: 2,
barsSpace: 4,
barRods: [
BarChartRodData(
toY: 34000000000,
rodStackItems: [
BarChartRodStackItem(0, 6000000000, dark),
BarChartRodStackItem(6000000000, 23000000000, normal),
BarChartRodStackItem(23000000000, 34000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 32000000000,
rodStackItems: [
BarChartRodStackItem(0, 7000000000, dark),
BarChartRodStackItem(7000000000, 24000000000, normal),
BarChartRodStackItem(24000000000, 32000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 14000000000.5,
rodStackItems: [
BarChartRodStackItem(0, 1000000000.5, dark),
BarChartRodStackItem(1000000000.5, 12000000000, normal),
BarChartRodStackItem(12000000000, 14000000000.5, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 20000000000,
rodStackItems: [
BarChartRodStackItem(0, 4000000000, dark),
BarChartRodStackItem(4000000000, 15000000000, normal),
BarChartRodStackItem(15000000000, 20000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 24000000000,
rodStackItems: [
BarChartRodStackItem(0, 4000000000, dark),
BarChartRodStackItem(4000000000, 15000000000, normal),
BarChartRodStackItem(15000000000, 24000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
],
),
BarChartGroupData(
x: 3,
barsSpace: 4,
barRods: [
BarChartRodData(
toY: 14000000000,
rodStackItems: [
BarChartRodStackItem(0, 1000000000.5, dark),
BarChartRodStackItem(1000000000.5, 12000000000, normal),
BarChartRodStackItem(12000000000, 14000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 27000000000,
rodStackItems: [
BarChartRodStackItem(0, 7000000000, dark),
BarChartRodStackItem(7000000000, 25000000000, normal),
BarChartRodStackItem(25000000000, 27000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 29000000000,
rodStackItems: [
BarChartRodStackItem(0, 6000000000, dark),
BarChartRodStackItem(6000000000, 23000000000, normal),
BarChartRodStackItem(23000000000, 29000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 16000000000.5,
rodStackItems: [
BarChartRodStackItem(0, 9000000000, dark),
BarChartRodStackItem(9000000000, 15000000000, normal),
BarChartRodStackItem(15000000000, 16000000000.5, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
BarChartRodData(
toY: 15000000000,
rodStackItems: [
BarChartRodStackItem(0, 7000000000, dark),
BarChartRodStackItem(7000000000, 12000000000.5, normal),
BarChartRodStackItem(12000000000.5, 15000000000, light),
],
borderRadius: const BorderRadius.all(Radius.zero)),
],
),
];
}
}