### Install Dependencies with flutter pub get Source: https://pub.dev/packages/flutter_chart_plus/index After updating your pubspec.yaml file, run this command in your project's root directory to fetch and install the package and its dependencies. ```bash flutter pub get ``` -------------------------------- ### Example pubspec.yaml Dependency Source: https://pub.dev/packages/flutter_chart_plus/versions/0.0.8/install This snippet shows how the flutter_chart_plus dependency is added to the pubspec.yaml file. This is typically managed automatically by `flutter pub add`. ```yaml dependencies: flutter_chart_plus: ^0.0.8 ``` -------------------------------- ### Flutter App Entry Point with ChartDemoPage Source: https://pub.dev/packages/flutter_chart_plus/example This Dart code snippet demonstrates the main entry point for a Flutter application using the flutter_chart_plus package. It sets up the basic MaterialApp structure and navigates to a ChartDemoPage, likely where chart visualizations are displayed. It includes standard Flutter theming and app setup. ```dart import 'package:flutter/material.dart'; import 'chart_demo_page.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', debugShowCheckedModeBanner: false, theme: ThemeData( fontFamilyFallback: ['Roboto'], // This is the theme of your application. // // Try running your application with "flutter run". You'll see the // application has a blue toolbar. Then, without quitting the app, try // changing the primarySwatch below to Colors.green and then invoke // "hot reload" (press "r" in the console where you ran "flutter run", // or simply save your changes to "hot reload" in a Flutter IDE). // Notice that the counter didn't reset back to zero; the application // is not restarted. primarySwatch: Colors.blue, ), home: ChartDemoPage(), ); } } ``` -------------------------------- ### Implement BarChart in Flutter Source: https://pub.dev/packages/flutter_chart_plus/index This example demonstrates how to create a BarChart using the ChartWidget. It configures axes, margins, and stackable bar data, allowing for horizontal bar rendering with customizable item widths and highlight colors. ```dart SizedBox( height: 200, child: ChartWidget( coordinateRender: ChartDimensionsCoordinateRender( yAxis: [ YAxis(min: 0,max: 500) ], margin: const EdgeInsets.only(left: 40, top: 0, right: 0, bottom: 30), xAxis: XAxis( count: 7, max: 30, zoom:true, formatter: (index) { return startTime.add(Duration(days: index)).toStringWithFormat(format: 'dd'); }, ), charts: [ StackBar( data: dataList, position: (item) { return parserDateTimeToDayValue(item['time'] as DateTime, startTime); }, direction: Axis.horizontal, itemWidth: 10, highlightColor: Colors.yellow, values: (item) => [ double.parse(item['value1'].toString()), double.parse(item['value2'].toString()), double.parse(item['value3'].toString()), ], ), ], ), ), ) ``` -------------------------------- ### Implement BarChart in Flutter Source: https://pub.dev/packages/flutter_chart_plus/versions/0.1 Example of creating a stacked bar chart using the ChartWidget and ChartDimensionsCoordinateRender. It configures axes, margins, and data points for the bar chart. ```dart SizedBox( height: 200, child: ChartWidget( coordinateRender: ChartDimensionsCoordinateRender( yAxis: [ YAxis(min: 0,max: 500) ], margin: const EdgeInsets.only(left: 40, top: 0, right: 0, bottom: 30), xAxis: XAxis( count: 7, max: 30, zoom:true, formatter: (index) { return startTime.add(Duration(days: index)).toStringWithFormat(format: 'dd'); }, ), charts: [ StackBar( data: dataList, position: (item) { return parserDateTimeToDayValue(item['time'] as DateTime, startTime); }, direction: Axis.horizontal, itemWidth: 10, highlightColor: Colors.yellow, values: (item) => [ double.parse(item['value1'].toString()), double.parse(item['value2'].toString()), double.parse(item['value3'].toString()), ], ), ], ), ), ) ``` -------------------------------- ### Add flutter_chart_plus Dependency to Flutter Project Source: https://pub.dev/packages/flutter_chart_plus/versions/0.0.1/install This command adds the flutter_chart_plus package as a dependency to your Flutter project. It automatically updates your pubspec.yaml file and runs `flutter pub get`. ```bash $ flutter pub add flutter_chart_plus ``` -------------------------------- ### Example pubspec.yaml Dependency Entry Source: https://pub.dev/packages/flutter_chart_plus/versions/0.0.1/install This snippet shows how the flutter_chart_plus dependency will appear in your project's pubspec.yaml file after running `flutter pub add`. It specifies the package name and version constraint. ```yaml dependencies: flutter_chart_plus: ^0.0.1 ``` -------------------------------- ### Implement PieChart in Flutter Source: https://pub.dev/packages/flutter_chart_plus/index This example shows how to create a PieChart using ChartWidget with ChartCircularCoordinateRender. It allows customization of hole radius, text styles, and value formatting for each slice. ```dart SizedBox( height: 200, child: ChartWidget( coordinateRender: ChartCircularCoordinateRender( margin: const EdgeInsets.only(left: 40, top: 0, right: 0, bottom: 10), charts: [ Pie( data: dataList, position: (item) => (double.parse(item['value1'].toString())), holeRadius: 40, valueTextOffset: 20, centerTextStyle: const TextStyle(color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold), valueFormatter: (item) => item['value1'].toString(), ), ], ), ), ), ``` -------------------------------- ### Flutter App Entry Point with ChartDemoPage Source: https://pub.dev/packages/flutter_chart_plus/versions/0.0.3/example This Dart code snippet demonstrates the main entry point for a Flutter application. It sets up the MaterialApp with a theme and navigates to the ChartDemoPage, likely where the charting components are displayed. It includes basic theming with a fallback font. ```dart import 'package:flutter/material.dart'; import 'chart_demo_page.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( fontFamilyFallback: ['Roboto'], // This is the theme of your application. // // Try running your application with "flutter run". You'll see the // application has a blue toolbar. Then, without quitting the app, try // changing the primarySwatch below to Colors.green and then invoke // "hot reload" (press "r" in the console where you ran "flutter run", // or simply save your changes to "hot reload" in a Flutter IDE). // Notice that the counter didn't reset back to zero; the application // is not restarted. primarySwatch: Colors.blue, ), home: ChartDemoPage(), ); } } ``` -------------------------------- ### Add flutter_chart_plus Dependency to pubspec.yaml Source: https://pub.dev/packages/flutter_chart_plus/versions/0.2.5/install This snippet shows how the flutter_chart_plus dependency is represented in a Flutter project's pubspec.yaml file. This ensures the package is included in your project's build. ```yaml dependencies: flutter_chart_plus: ^0.2.5 ``` -------------------------------- ### Implement LineChart in Flutter Source: https://pub.dev/packages/flutter_chart_plus/index This code snippet shows how to create a LineChart with multiple Y-axes and a crosshair for interactive data visualization. It supports drawing lines, bars, and customizing tooltips. ```dart SizedBox( height: 200, child: ChartWidget( coordinateRender: ChartDimensionsCoordinateRender( margin: const EdgeInsets.only(left: 40, top: 5, right: 30, bottom: 30), crossHair: const CrossHairStyle(adjustHorizontal: true, adjustVertical: true), tooltipFormatter: (list) => TextSpan( text: list.map((e) => e['value1']).toString(), style: const TextStyle( color: Colors.black, ), ), yAxis: [ YAxis(min: 0, max: 500, drawGrid: true), YAxis(min: 0, max: 400, offset: (size) => Offset(size.width - 70, 0)), ], xAxis: XAxis( count: 7, max: 20, zoom:true, drawLine: false, formatter: (index) => startTime.add(Duration(days: index)).toStringWithFormat(format: 'dd'), ), charts: [ Bar( color: Colors.yellow, data: dataList, yAxisPosition: 1, position: (item) => parserDateTimeToDayValue(item['time'] as DateTime, startTime), value: (item) => item['value1'], ), Line( data: dataList, position: (item) => parserDateTimeToDayValue(item['time'] as DateTime, startTime), values: (item) => [ item['value1'] as num, ], ), Line( colors: [Colors.green], data: dataList, position: (item) => parserDateTimeToDayValue(item['time'] as DateTime, startTime), values: (item) => [ item['value2'] as num, ], ), ], ), ), ) ``` -------------------------------- ### Add flutter_chart_plus to pubspec.yaml Source: https://pub.dev/packages/flutter_chart_plus/index This snippet shows how to add the flutter_chart_plus package to your project's pubspec.yaml file. You can either use the latest 'any' version or specify a Git repository for a specific version. ```yaml flutter_chart_plus: any ``` ```yaml flutter_chart_plus: git: url: https://github.com/JDongKhan/flutter_chart ref: main ``` -------------------------------- ### Import flutter_chart_plus in Dart Code Source: https://pub.dev/packages/flutter_chart_plus/versions/0.0.1/install This import statement allows you to use the functionalities provided by the flutter_chart_plus package in your Dart code. Ensure the package is added as a dependency first. ```dart import 'package:flutter_chart_plus/flutter_chart.dart'; ``` -------------------------------- ### Declare flutter_chart_plus Dependency in pubspec.yaml Source: https://pub.dev/packages/flutter_chart_plus/versions/0.1.1/install This snippet shows how the flutter_chart_plus package is declared in the `pubspec.yaml` file under the `dependencies` section. This is the standard way to manage package dependencies in Flutter. ```yaml dependencies: flutter_chart_plus: ^0.1.1 ``` -------------------------------- ### Unused Declaration Warning in line.dart Source: https://pub.dev/packages/flutter_chart_plus/versions/0.4.0/score This snippet highlights an unused declaration '_showHotRect' found in the 'lib/src/chart/dimensions/line.dart' file. This indicates a potential code cleanup opportunity. To reproduce, run 'flutter analyze lib/src/chart/dimensions/line.dart'. ```dart ╷ 132 │ void _showHotRect(Canvas canvas) { │ ^^^^^^^^^^^^ ╵ ``` -------------------------------- ### Unused Declaration Warning in line.dart Source: https://pub.dev/packages/flutter_chart_plus/score This snippet highlights a static analysis warning in the `lib/src/chart/dimensions/line.dart` file. The `_showHotRect` method is declared but not referenced, indicating potential dead code. Developers should review and remove or utilize this method. ```dart ╷ 132 │ void _showHotRect(Canvas canvas) { │ ^^^^^^^^^^^^ ╵ ``` -------------------------------- ### Part-of Directive Warning in annotation.dart Source: https://pub.dev/packages/flutter_chart_plus/score This snippet points out a static analysis warning in `lib/src/annotation/annotation.dart`. The `part of` directive uses a library name, which is generally discouraged in favor of using the library's URI. This might indicate a less conventional library structure. ```dart ╷ 1 │ part of flutter_chart_plus; │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ╵ ``` === COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.