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horizontal bar chart flutter single bar

Saranya Kumar answered on October 3, 2023 Popularity 4/10 Helpfulness 1/10

answer horizontal bar chart flutter single bar

horizontal bar chart flutter single bar

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class HorizontalBarChart extends StatelessWidget {
  const HorizontalBarChart({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    List<Map<String, dynamic>> chartData = [
      {
        "units": 50,
        "color": cCoffee,
      },
      {
        "units": 10,
        "color": cCyan,
      },
      {
        "units": 70,
        "color": cGreen,
      },
      {
        "units": 100,
        "color": cOrange,
      },
    ];
    double maxWidth = MediaQuery.of(context).size.width - 36;
    var totalUnitNum = 0;
    for (int i = 0; i < chartData.length; i++) {
      totalUnitNum = totalUnitNum + int.parse(chartData[i]["units"].toString());
    }

    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 18.0),
      child: ClipRRect(
        borderRadius: BorderRadius.circular(90),
        child: Row(
          children: [
            for (int i = 0; i < chartData.length; i++)
              i == chartData.length - 1
                  ? Expanded(
                      child: SizedBox(
                        height: 16,
                        child: ColoredBox(
                          color: chartData[i]["color"],
                        ),
                      ),
                    )
                  : Row(
                      children: [
                        SizedBox(
                          width:
                              chartData[i]["units"] / totalUnitNum * maxWidth,
                          height: 16,
                          child: ColoredBox(
                            color: chartData[i]["color"],
                          ),
                        ),
                        const SizedBox(width: 6),
                      ],
                    )
          ],
        ),
      ),
    );
  }
}

Popularity 4/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: bar-chart flutter whatever

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Contributed on Oct 03 2023

Saranya Kumar

0 Answers Avg Quality 2/10

horizontal bar chart flutter single bar

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