liquid_bar_chart 0.0.2

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  • Changelog
  • Example
  • Installing
  • 73

liquid_bar_chart #

Animated Bar Chart #

Liquid Bar Chart

Description #

Getting started #

You should ensure that you add the dependency in your flutter project.

dependencies:
  liquid_bar_chart: ^0.0.1

Example #

Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;
    
    final List<String> week = ["Sun", "Mon", "Thu", "Wed", "Thu", "Fri", "Sat"];
    final List<String> tooltips = [
      "Good",
      "Bad",
      "So So",
      "A little nice",
      "Pretty good",
      "Very good",
      "Super nice"
    ];
    
    Random rnd = Random();
    for (int i=0; i< 7; i++) {
      barDataList.add(
        BarData(
          value: rnd.nextDouble() * 10,
          maxValue: 10,
          barBackColor: Colors.blue[100],
          barColor: Colors.blue,
          title: week[i],
          toolTip: tooltips[i],
        ),
      );
    }
    
    return Scaffold(
      appBar: AppBar(
        title: Text("Chart Example"),
      ),
      body: Center(
        child: SizedBox(
          height: size.height / 2,
          width: size.width,
          child: Card(
            margin: const EdgeInsets.all(18),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(16),
            ),
            color: Colors.blueGrey[100],
            child: LBChart(
              barDataList: barDataList,
              padding: EdgeInsets.all(8),
              title: "Chart Title",
            ),
          ),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => _changeData(),
      ),
    );
}

[0.0.2] #

  • Update example

[0.0.1] - Oct 15, 2019 #

example/lib/main.dart

import 'dart:math';

import 'package:flutter/material.dart';
import 'package:liquid_bar_chart/liquid_bar_chart.dart';

void main() {
  runApp(
    MaterialApp(
      home: ChartExample(),
    ),
  );
}

class ChartExample extends StatefulWidget {
  @override
  _ChartExampleState createState() => _ChartExampleState();
}

class _ChartExampleState extends State<ChartExample> {
  List<BarData> barDataList = [];
  final List<String> week = ["Sun", "Mon", "Thu", "Wed", "Thu", "Fri", "Sat"];
  final List<String> tooltips = [
    "Good",
    "Bad",
    "So So",
    "A little nice",
    "Pretty good",
    "Very good",
    "Super nice"
  ];

  @override
  void initState() {
    super.initState();
    _createData();
  }

  @override
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;

    return Scaffold(
      appBar: AppBar(
        title: Text("Chart Example"),
      ),
      body: Center(
        child: SizedBox(
          height: size.height / 2,
          width: size.width,
          child: Card(
            margin: const EdgeInsets.all(18),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(16),
            ),
            color: Colors.blueGrey[100],
            child: LBChart(
              barDataList: barDataList,
              padding: EdgeInsets.all(8),
              title: "Chart Title",
            ),
          ),
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () => _createData(),
      ),
    );
  }

  void _createData() {
    Random rnd = Random();
    barDataList = [];
    for (int i = 0; i < 7; i++) {
      barDataList.add(
        BarData(
          value: rnd.nextDouble() * 10,
          maxValue: 10,
          barBackColor: Colors.blue[100],
          barColor: Colors.blue,
          title: week[i],
          toolTip: tooltips[i],
        ),
      );
      setState(() {});
    }
  }
}

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:


dependencies:
  liquid_bar_chart: ^0.0.2

2. Install it

You can install packages from the command line:

with Flutter:


$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:liquid_bar_chart/liquid_bar_chart.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
50
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
90
Overall:
Weighted score of the above. [more]
73
Learn more about scoring.

We analyzed this package on Apr 4, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.6
  • Flutter: 1.12.13+hotfix.8

Health suggestions

Fix lib/liquid_bar_chart/chart.dart. (-0.50 points)

Analysis of lib/liquid_bar_chart/chart.dart reported 1 hint:

line 7 col 7: This class (or a class which this class inherits from) is marked as '@immutable', but one or more of its instance fields are not final: LBChart.widgetList, LBChart.waveHeight

Maintenance suggestions

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies
flutter_test