syncfusion_flutter_gauges 26.1.38 copy "syncfusion_flutter_gauges: ^26.1.38" to clipboard
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The Flutter gauges library includes a linear gauge and radial gauge (a.k.a. circular gauge) to create modern, interactive, animated gauges and radial sliders.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_gauges/gauges.dart';

void main() {
  return runApp(GaugeApp());
}

/// Represents the GaugeApp class
class GaugeApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Radial Gauge Demo',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: MyHomePage(),
    );
  }
}

/// Represents MyHomePage class
class MyHomePage extends StatefulWidget {
  /// Creates the instance of MyHomePage
  MyHomePage({Key? key}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  Widget _getGauge({bool isRadialGauge = true}) {
    if (isRadialGauge) {
      return _getRadialGauge();
    } else {
      return _getLinearGauge();
    }
  }

  Widget _getRadialGauge() {
    return SfRadialGauge(
        title: GaugeTitle(
            text: 'Speedometer',
            textStyle:
                const TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold)),
        axes: <RadialAxis>[
          RadialAxis(minimum: 0, maximum: 150, ranges: <GaugeRange>[
            GaugeRange(
                startValue: 0,
                endValue: 50,
                color: Colors.green,
                startWidth: 10,
                endWidth: 10),
            GaugeRange(
                startValue: 50,
                endValue: 100,
                color: Colors.orange,
                startWidth: 10,
                endWidth: 10),
            GaugeRange(
                startValue: 100,
                endValue: 150,
                color: Colors.red,
                startWidth: 10,
                endWidth: 10)
          ], pointers: <GaugePointer>[
            NeedlePointer(value: 90)
          ], annotations: <GaugeAnnotation>[
            GaugeAnnotation(
                widget: Container(
                    child: const Text('90.0',
                        style: TextStyle(
                            fontSize: 25, fontWeight: FontWeight.bold))),
                angle: 90,
                positionFactor: 0.5)
          ])
        ]);
  }

  Widget _getLinearGauge() {
    return Container(
      child: SfLinearGauge(
          minimum: 0.0,
          maximum: 100.0,
          orientation: LinearGaugeOrientation.horizontal,
          majorTickStyle: LinearTickStyle(length: 20),
          axisLabelStyle: TextStyle(fontSize: 12.0, color: Colors.black),
          axisTrackStyle: LinearAxisTrackStyle(
              color: Colors.cyan,
              edgeStyle: LinearEdgeStyle.bothFlat,
              thickness: 15.0,
              borderColor: Colors.grey)),
      margin: EdgeInsets.all(10),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(title: const Text('Syncfusion Flutter Gauge')),
        body: _getGauge());
  }
}
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Publisher

verified publishersyncfusion.com

The Flutter gauges library includes a linear gauge and radial gauge (a.k.a. circular gauge) to create modern, interactive, animated gauges and radial sliders.

Repository (GitHub)
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Documentation

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License

unknown (LICENSE)

Dependencies

flutter, intl, syncfusion_flutter_core

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