Overview

The Flutter Radial Bar Chart is ideal for rendering circular bars and comparing values between various categories. You can create beautiful, animated, real-time and high-performance radial bar chart that also supports the interactive features such as tooltip and selection.

Beautiful Flutter Radial Bar Chart

Key features

Show the Flutter Radial Bar Chart with custom radius

Custom radius

You can customize both the inner and outer radius of the chart to make it precisely the size you need.

Flutter Radial Bar Chart with corner style

Corner style

Customize the start and end of the Flutter radial bar segments by rendering flat or curved corners.

Shows the customizable radial bar chart in Flutter

Customization

Customize the look and feel of the Flutter Radial Bar Chart using built-in APIs.

Flutter Radial Bar Chart with palette colors

Palette color

Set desired palette colors to the radial bar chart’s segments.

Show the smart labels of radial bar chart in Flutter

Smart labels

Smartly hide overlapping data labels when data point values fall close together.

Code example

Easily get started with the Flutter OHLC (Open High Low Close) Chart using a few simple lines of DART code example as demonstrated below,

dart
import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_charts/charts.dart';

@override
    Widget build(BuildContext context) {
        return Scaffold(
            body: Center(
                child: Container(
                    child: SfCircularChart(
                        series: <CircularSeries>[
                            // Renders radial bar chart
                            RadialBarSeries<ChartData, String>(
                                dataSource: chartData,
                                xValueMapper: (ChartData data, _) => data.x,
                                yValueMapper: (ChartData data, _) => data.y
                            )
                        ]
                    )
                )
            )
        );  
    }