Repository: apgapg/pie_chart Branch: master Commit: 3fd757c0cb14 Files: 109 Total size: 206.7 KB Directory structure: gitextract_swhayle5/ ├── .cirrus.yml ├── .github/ │ ├── FUNDING.yml │ └── workflows/ │ ├── main.yml │ └── test-pr.yml ├── .gitignore ├── .metadata ├── .run/ │ └── main.dart.run.xml ├── CHANGELOG.md ├── LICENSE ├── README.md ├── analysis_options.yaml ├── example/ │ ├── .gitignore │ ├── .metadata │ ├── README.md │ ├── analysis_options.yaml │ ├── android/ │ │ ├── .gitignore │ │ ├── app/ │ │ │ ├── build.gradle │ │ │ └── src/ │ │ │ ├── debug/ │ │ │ │ └── AndroidManifest.xml │ │ │ ├── main/ │ │ │ │ ├── AndroidManifest.xml │ │ │ │ ├── kotlin/ │ │ │ │ │ └── com/ │ │ │ │ │ └── example/ │ │ │ │ │ └── example/ │ │ │ │ │ └── MainActivity.kt │ │ │ │ └── res/ │ │ │ │ ├── drawable/ │ │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable-v21/ │ │ │ │ │ └── launch_background.xml │ │ │ │ ├── values/ │ │ │ │ │ └── styles.xml │ │ │ │ └── values-night/ │ │ │ │ └── styles.xml │ │ │ └── profile/ │ │ │ └── AndroidManifest.xml │ │ ├── build.gradle │ │ ├── gradle/ │ │ │ └── wrapper/ │ │ │ └── gradle-wrapper.properties │ │ ├── gradle.properties │ │ └── settings.gradle │ ├── ios/ │ │ ├── .gitignore │ │ ├── Flutter/ │ │ │ ├── AppFrameworkInfo.plist │ │ │ ├── Debug.xcconfig │ │ │ └── Release.xcconfig │ │ ├── Runner/ │ │ │ ├── AppDelegate.swift │ │ │ ├── Assets.xcassets/ │ │ │ │ ├── AppIcon.appiconset/ │ │ │ │ │ └── Contents.json │ │ │ │ └── LaunchImage.imageset/ │ │ │ │ ├── Contents.json │ │ │ │ └── README.md │ │ │ ├── Base.lproj/ │ │ │ │ ├── LaunchScreen.storyboard │ │ │ │ └── Main.storyboard │ │ │ ├── Info.plist │ │ │ └── Runner-Bridging-Header.h │ │ ├── Runner.xcodeproj/ │ │ │ ├── project.pbxproj │ │ │ ├── project.xcworkspace/ │ │ │ │ ├── contents.xcworkspacedata │ │ │ │ └── xcshareddata/ │ │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ │ └── WorkspaceSettings.xcsettings │ │ │ └── xcshareddata/ │ │ │ └── xcschemes/ │ │ │ └── Runner.xcscheme │ │ └── Runner.xcworkspace/ │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata/ │ │ ├── IDEWorkspaceChecks.plist │ │ └── WorkspaceSettings.xcsettings │ ├── lib/ │ │ └── main.dart │ ├── linux/ │ │ ├── .gitignore │ │ ├── CMakeLists.txt │ │ ├── flutter/ │ │ │ ├── CMakeLists.txt │ │ │ ├── generated_plugin_registrant.cc │ │ │ ├── generated_plugin_registrant.h │ │ │ └── generated_plugins.cmake │ │ ├── main.cc │ │ ├── my_application.cc │ │ └── my_application.h │ ├── macos/ │ │ ├── .gitignore │ │ ├── Flutter/ │ │ │ ├── Flutter-Debug.xcconfig │ │ │ ├── Flutter-Release.xcconfig │ │ │ └── GeneratedPluginRegistrant.swift │ │ ├── Runner/ │ │ │ ├── AppDelegate.swift │ │ │ ├── Assets.xcassets/ │ │ │ │ └── AppIcon.appiconset/ │ │ │ │ └── Contents.json │ │ │ ├── Base.lproj/ │ │ │ │ └── MainMenu.xib │ │ │ ├── Configs/ │ │ │ │ ├── AppInfo.xcconfig │ │ │ │ ├── Debug.xcconfig │ │ │ │ ├── Release.xcconfig │ │ │ │ └── Warnings.xcconfig │ │ │ ├── DebugProfile.entitlements │ │ │ ├── Info.plist │ │ │ ├── MainFlutterWindow.swift │ │ │ └── Release.entitlements │ │ ├── Runner.xcodeproj/ │ │ │ ├── project.pbxproj │ │ │ ├── project.xcworkspace/ │ │ │ │ └── xcshareddata/ │ │ │ │ └── IDEWorkspaceChecks.plist │ │ │ └── xcshareddata/ │ │ │ └── xcschemes/ │ │ │ └── Runner.xcscheme │ │ └── Runner.xcworkspace/ │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata/ │ │ └── IDEWorkspaceChecks.plist │ ├── pubspec.yaml │ ├── web/ │ │ ├── index.html │ │ └── manifest.json │ └── windows/ │ ├── .gitignore │ ├── CMakeLists.txt │ ├── flutter/ │ │ ├── CMakeLists.txt │ │ ├── generated_plugin_registrant.cc │ │ ├── generated_plugin_registrant.h │ │ └── generated_plugins.cmake │ └── runner/ │ ├── CMakeLists.txt │ ├── Runner.rc │ ├── flutter_window.cpp │ ├── flutter_window.h │ ├── main.cpp │ ├── resource.h │ ├── runner.exe.manifest │ ├── utils.cpp │ ├── utils.h │ ├── win32_window.cpp │ └── win32_window.h ├── lib/ │ ├── pie_chart.dart │ └── src/ │ ├── chart_painter.dart │ ├── chart_values_options.dart │ ├── degree_options.dart │ ├── legend.dart │ ├── legend_options.dart │ ├── pie_chart.dart │ └── utils.dart ├── pubspec.yaml └── test/ └── pie_chart_test.dart ================================================ FILE CONTENTS ================================================ ================================================ FILE: .cirrus.yml ================================================ container: image: 'cirrusci/flutter:latest' task: name: 'PieChart Test' pub_cache: folder: ~/.pub-cache test_script: 'flutter test' ================================================ FILE: .github/FUNDING.yml ================================================ # These are supported funding model platforms github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2] patreon: # Replace with a single Patreon username open_collective: # Replace with a single Open Collective username ko_fi: # Replace with a single Ko-fi username tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry liberapay: # Replace with a single Liberapay username issuehunt: # Replace with a single IssueHunt username otechie: # Replace with a single Otechie username custom: ['paypal.me/ayushpgupta'] ================================================ FILE: .github/workflows/main.yml ================================================ # This is a basic workflow to help you get started with Actions name: Test app # name: Test, Build and Release apk # Controls when the action will run. Triggers the workflow on push or pull request # events but only for the master branch on: push: branches: [ master ] concurrency: group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }} cancel-in-progress: true # A workflow run is made up of one or more jobs that can run sequentially or in parallel jobs: # This workflow contains a single job called "build" build: name: 'Test, Build, Deploy' runs-on: ubuntu-latest permissions: contents: write steps: - uses: actions/checkout@v1 - uses: actions/setup-java@v1 with: java-version: '12.x' - uses: subosito/flutter-action@v1 with: channel: 'stable' - run: flutter pub get - run: flutter test - name: 'Build Web App' run: flutter build web working-directory: ./example - name: deploy uses: peaceiris/actions-gh-pages@v3 with: github_token: ${{ secrets.TOKEN }} publish_dir: ./example/build/web ================================================ FILE: .github/workflows/test-pr.yml ================================================ # This is a basic workflow to help you get started with Actions name: Test app # name: Test, Build and Release apk # Controls when the action will run. Triggers the workflow on push or pull request # events but only for the master branch on: pull_request: branches: [ main, develop ] # A workflow run is made up of one or more jobs that can run sequentially or in parallel jobs: # This workflow contains a single job called "build" build: name: 'Test, Build' runs-on: ubuntu-latest permissions: contents: write concurrency: group: ${{ github.workflow }}-${{ github.ref }} steps: - uses: actions/checkout@v1 - uses: actions/setup-java@v1 with: java-version: '12.x' - uses: subosito/flutter-action@v1 with: channel: 'stable' - run: flutter pub get - run: flutter test - name: 'Build Web App' run: flutter build web working-directory: ./example - name: deploy uses: peaceiris/actions-gh-pages@v3 with: github_token: ${{ secrets.TOKEN }} publish_dir: ./example/build/web ================================================ FILE: .gitignore ================================================ .DS_Store .atom/ .idea/ .vscode/ .packages .pub/ .dart_tool/ pubspec.lock **/doc/api/ Podfile Podfile.lock Pods/ .symlinks/ **/Flutter/App.framework/ **/Flutter/Flutter.framework/ **/Flutter/Generated.xcconfig **/Flutter/flutter_assets/ ServiceDefinitions.json xcuserdata/ local.properties .gradle/ gradlew gradlew.bat gradle-wrapper.jar *.iml GeneratedPluginRegistrant.h GeneratedPluginRegistrant.m GeneratedPluginRegistrant.java build/ .flutter-plugins flutter_export_environment.sh strings_en.arb ================================================ FILE: .metadata ================================================ # This file tracks properties of this Flutter project. # Used by Flutter tool to assess capabilities and perform upgrades etc. # # This file should be version controlled and should not be manually edited. version: revision: 5391447fae6209bb21a89e6a5a6583cac1af9b4b channel: unknown project_type: package ================================================ FILE: .run/main.dart.run.xml ================================================ ================================================ FILE: CHANGELOG.md ================================================ # CHANGELOG ## [5.4.0] - chore: enable test PR workflow (Ayush P Gupta) - feat: enable gh-pages deploy (Ayush P Gupta) - feat: add new center widget #101 (Ayush P Gupta) - fix: define return type for `formatChartValues` func (#99) (Fiveone Digital) - [ImgBot] Optimize images (#91) (imgbot[bot]) - temp: disable deploy via github workflow (Ayush P Gupta) - fix: flutter web (Ayush P Gupta) - fix: github workflow (Ayush P Gupta) ## [5.3.2] - chore: fix dart analysis errors ## [5.3.1] - chore: upgrade flutter and example app - fix: gradient color overlap #83 ## [5.3.0] - feat: add `totalValue` parameter ## [5.2.0] - feat: add `baseChartColor` option ## [5.1.0] - Update example code with gradient feature - Add gradient colors support (#73) ## [5.0.1] - [MacOS] Add macos support in example - #66 Pie chart not animating with version 5.0.0+ (#69) - Accept center text style as a paramter ## [5.0.0] * Show custom color when pie chart is empty. * Set Colors.grey as default value for emptyColor. * Update README.md with decimalPlaces docs. * [Null Safety] Migrate project to null safety. ## [4.0.1] * Fix README.md for broken images link ## [4.0.0] **Breaking** * Wrap different parameters in chartValuesOptions, legendOptions * Fix number of issues ## [3.1.1] * Fix [#22](https://github.com/apgapg/pie_chart/issues/22) showLegends = false causes exception. ## [3.1.0] * Add ring shape pie chart support ## [3.0.0] **Breaking** * Migrate to AndroidX * Add dark mode theme * Remove color from default legendStyle to support dark mode * Add enum LegendPosition to align chart legend **Breaking** * Restructure whole project. Optimize code. Code Cleanup Thanks [@xsahil03x](https://github.com/xsahil03x) for these changes ## [2.0.0] * Fix padding, margin **Breaking** * Fix error when parent is row * Adapt to screen size **Breaking** * Override chartRadius when screen is smaller compare to chartRadius **Breaking** * Update example with macos and web support ## [1.3.0] * Center text to sector center-line * Add text labels ## [1.2.0] * Merge [#12](https://github.com/apgapg/pie_chart/issues/12) Added option for showing decimal places in chart values. Thanks [@VB10](https://github.com/VB10) for PR ## [1.1.0] * Merge [#11](https://github.com/apgapg/pie_chart/issues/11) Added option for changing initial angle of pie chart. Thanks [@mschneider](https://github.com/mschneider) for PR ## [1.0.0] * Added [#8](https://github.com/apgapg/pie_chart/issues/8) Added option for showing chart values outside the pie chart [@guyzk](https://github.com/guyzk) * Added [#7](https://github.com/apgapg/pie_chart/issues/7) Hide 0 values on pie chart. Thanks [@guyzk](https://github.com/https://github.com/guyzk) * Added legend fontFamily support. Thanks [@MahdiPishguy](https://github.com/MahdiPishguy) for PR ## [0.9.0] * Fixes [#5](https://github.com/apgapg/pie_chart/issues/5) Added custom colorlist optional parameter. Thanks [@SJente](https://github.com/SJente) * Fixes [#3](https://github.com/apgapg/pie_chart/issues/3) Update PieChart when data changes. Thanks [@leehuwuj](https://github.com/https://github.com/leehuwuj) * Fixes [#2](https://github.com/apgapg/pie_chart/issues/2) Added showLegends bool as optional Parameter. Thanks [@cuitao1988](https://github.com/https://github.com/cuitao1988) * Fixes Exception when data length was greater than 5 * Added key to PieChart ## [0.8.0] * Update README.md * Format code * Update min Dart SDK version Thanks [@xsahil03x](https://github.com/xsahil03x) for this PR ## [0.7.0] - Initial Release ================================================ FILE: LICENSE ================================================ MIT License Copyright (c) [2019] [Ayush P Gupta] Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ================================================ FILE: README.md ================================================ # Pie Chart ![Cirrus CI - Base Branch Build Status](https://img.shields.io/cirrus/github/apgapg/pie_chart) [![GitHub stars](https://img.shields.io/github/stars/apgapg/pie_chart.svg?style=social)](https://github.com/apgapg/pie_chart) [![Twitter Follow](https://img.shields.io/twitter/url/https/@ayushpgupta.svg?style=social)](https://twitter.com/ayushpgupta) ![GitHub last commit](https://img.shields.io/github/last-commit/apgapg/pie_chart.svg) [![Website shields.io](https://img.shields.io/website-up-down-green-red/http/shields.io.svg)](https://apgapg.github.io/)[![Open Source Love](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/apgapg/pie_chart) ![Discord](https://img.shields.io/discord/942386749940858880) This Flutter package provides a Pie Chart Widget with cool animation. More discussions on Discord: https://discord.gg/7byeCn7MGF ## 💻 Try LIVE Demo Live Demo: [https://apgapg.github.io/pie_chart/](https://apgapg.github.io/pie_chart/) piechart ## 💻 Installation In the `dependencies:` section of your `pubspec.yaml`, add the following line: [![Version](https://img.shields.io/pub/v/pie_chart.svg)](https://pub.dartlang.org/packages/pie_chart) ```yaml dependencies: pie_chart: ``` ## ❔ Usage ### Import this class ```dart import 'package:pie_chart/pie_chart.dart'; ``` #### Usage is simple. Pie Chart is a widget and it just need a Map as its data input. PieChart ```dart Map dataMap = { "Flutter": 5, "React": 3, "Xamarin": 2, "Ionic": 2, }; ``` ### - Simple Implementation ```dart PieChart(dataMap: dataMap) ``` ### - Full Implementation ```dart PieChart( dataMap: dataMap, animationDuration: Duration(milliseconds: 800), chartLegendSpacing: 32, chartRadius: MediaQuery.of(context).size.width / 3.2, colorList: colorList, initialAngleInDegree: 0, chartType: ChartType.ring, ringStrokeWidth: 32, centerText: "HYBRID", legendOptions: LegendOptions( showLegendsInRow: false, legendPosition: LegendPosition.right, showLegends: true, legendShape: _BoxShape.circle, legendTextStyle: TextStyle( fontWeight: FontWeight.bold, ), ), chartValuesOptions: ChartValuesOptions( showChartValueBackground: true, showChartValues: true, showChartValuesInPercentage: false, showChartValuesOutside: false, decimalPlaces: 1, ), // gradientList: ---To add gradient colors--- // emptyColorGradient: ---Empty Color gradient--- ) ``` ## ⭐ Features ### Control decimal places 'decimalPlaces' ```dart chartValuesOptions: ChartValuesOptions( decimalPlaces: 1, ), ``` ### Change legend position with 'legendPosition' PieChart PieChart PieChart PieChart ### Change Chart shape to ring ```dart chartType: ChartType.ring, ``` PieChart ```dart chartType: ChartType.ring, showChartValuesOutside: true, ``` PieChart ### Gradient Colors Pie Chart supports gradient as colors. Just pass `gradientList` instead of `colorList` to add gradient to chart colors. ```dart final gradientList = >[ [ Color.fromRGBO(223, 250, 92, 1), Color.fromRGBO(129, 250, 112, 1), ], [ Color.fromRGBO(129, 182, 205, 1), Color.fromRGBO(91, 253, 199, 1), ], [ Color.fromRGBO(175, 63, 62, 1.0), Color.fromRGBO(254, 154, 92, 1), ] ]; // Pass gradient to PieChart gradientList: gradientList, emptyColorGradient: [ Color(0xff6c5ce7), Colors.blue, ], ``` PieChart ### Base Chart Color Add a base pie-chart color via: ```dart baseChartColor: Colors.grey ``` Full code: ```dart class HomePage2 extends StatelessWidget { HomePage2({Key? key}) : super(key: key); final dataMap = { "Flutter": 5, }; final colorList = [ Colors.greenAccent, ]; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text("Pie Chart 1"), ), body: Container( padding: EdgeInsets.symmetric(horizontal: 16), child: PieChart( dataMap: dataMap, chartType: ChartType.ring, baseChartColor: Colors.grey[300]!, colorList: colorList, ), ), ); } } ``` ### Total Value To show chart arcs based on your total value, add `totalValue` option. ```dart class HomePage2 extends StatelessWidget { HomePage2({Key? key}) : super(key: key); final dataMap = { "Flutter": 5, }; final colorList = [ Colors.greenAccent, ]; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text("Pie Chart 1"), ), body: Container( padding: EdgeInsets.symmetric(horizontal: 16), child: PieChart( dataMap: dataMap, chartType: ChartType.ring, baseChartColor: Colors.grey[50]!.withOpacity(0.15), colorList: colorList, chartValuesOptions: ChartValuesOptions( showChartValuesInPercentage: true, ), totalValue: 20, ), ), ); } } ``` PieChart ### Center Widget Creates a new widget placed at pie chart center ```dart centerWidget: Container(color: Colors.red, child: const Text("Center")) ``` PieChart ## ⭐ My Flutter Packages - [json_table](https://pub.dartlang.org/packages/json_table) [![GitHub stars](https://img.shields.io/github/stars/apgapg/json_table.svg?style=social)](https://github.com/apgapg/json_table) Create Flutter Json Table from json map directly. - [avatar_glow](https://pub.dartlang.org/packages/avatar_glow) [![GitHub stars](https://img.shields.io/github/stars/apgapg/avatar_glow.svg?style=social)](https://github.com/apgapg/avatar_glow) Flutter Avatar Glow Widget with glowing animation. - [search_widget](https://pub.dartlang.org/packages/search_widget) [![GitHub stars](https://img.shields.io/github/stars/apgapg/search_widget.svg?style=social)](https://github.com/apgapg/search_widget) Flutter Search Widget for selecting an option from list. - [animating_location_pin](https://pub.dev/packages/animating_location_pin) [![GitHub stars](https://img.shields.io/github/stars/apgapg/animating_location_pin.svg?style=social)](https://github.com/apgapg/animating_location_pin) Flutter Animating Location Pin Widget providing Animating Location Pin Widget which can be used while fetching device location. ## ⭐ My Flutter Apps - [flutter_profile](https://github.com/apgapg/flutter_profile) [![GitHub stars](https://img.shields.io/github/stars/apgapg/flutter_profile.svg?style=social)](https://github.com/apgapg/flutter_profile) Showcase My Portfolio: Ayush P Gupta on Playstore. - [flutter_sankalan](https://github.com/apgapg/flutter_sankalan) [![GitHub stars](https://img.shields.io/github/stars/apgapg/flutter_sankalan.svg?style=social)](https://github.com/apgapg/flutter_sankalan) Flutter App which allows reading/uploading short stories. ## 👍 Contribution 1. Fork it 2. Create your feature branch (git checkout -b my-new-feature) 3. Commit your changes (git commit -m 'Add some feature') 4. Push to the branch (git push origin my-new-feature) 5. Create new Pull Request ================================================ FILE: analysis_options.yaml ================================================ # This file configures the analyzer, which statically analyzes Dart code to # check for errors, warnings, and lints. # # The issues identified by the analyzer are surfaced in the UI of Dart-enabled # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be # invoked from the command line by running `flutter analyze`. # The following line activates a set of recommended lints for Flutter apps, # packages, and plugins designed to encourage good coding practices. include: package:flutter_lints/flutter.yaml linter: # The lint rules applied to this project can be customized in the # section below to disable rules from the `package:flutter_lints/flutter.yaml` # included above or to enable additional rules. A list of all available lints # and their documentation is published at # https://dart-lang.github.io/linter/lints/index.html. # # Instead of disabling a lint rule for the entire project in the # section below, it can also be suppressed for a single line of code # or a specific dart file by using the `// ignore: name_of_lint` and # `// ignore_for_file: name_of_lint` syntax on the line or in the file # producing the lint. rules: # avoid_print: false # Uncomment to disable the `avoid_print` rule # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule # Additional information about this file can be found at # https://dart.dev/guides/language/analysis-options ================================================ FILE: example/.gitignore ================================================ # Miscellaneous *.class *.log *.pyc *.swp .DS_Store .atom/ .buildlog/ .history .svn/ migrate_working_dir/ # IntelliJ related *.iml *.ipr *.iws .idea/ # The .vscode folder contains launch configuration and tasks you configure in # VS Code which you may wish to be included in version control, so this line # is commented out by default. #.vscode/ # Flutter/Dart/Pub related **/doc/api/ **/ios/Flutter/.last_build_id .dart_tool/ .flutter-plugins .flutter-plugins-dependencies .packages .pub-cache/ .pub/ /build/ # Web related # Symbolication related app.*.symbols # Obfuscation related app.*.map.json # Android Studio will place build artifacts here /android/app/debug /android/app/profile /android/app/release ================================================ FILE: example/.metadata ================================================ # This file tracks properties of this Flutter project. # Used by Flutter tool to assess capabilities and perform upgrades etc. # # This file should be version controlled. version: revision: 85684f9300908116a78138ea4c6036c35c9a1236 channel: stable project_type: app # Tracks metadata for the flutter migrate command migration: platforms: - platform: root create_revision: 85684f9300908116a78138ea4c6036c35c9a1236 base_revision: 85684f9300908116a78138ea4c6036c35c9a1236 - platform: web create_revision: 85684f9300908116a78138ea4c6036c35c9a1236 base_revision: 85684f9300908116a78138ea4c6036c35c9a1236 # User provided section # List of Local paths (relative to this file) that should be # ignored by the migrate tool. # # Files that are not part of the templates will be ignored by default. unmanaged_files: - 'lib/main.dart' - 'ios/Runner.xcodeproj/project.pbxproj' ================================================ FILE: example/README.md ================================================ # example A new Flutter project. ## Getting Started This project is a starting point for a Flutter application. A few resources to get you started if this is your first Flutter project: - [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab) - [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook) For help getting started with Flutter development, view the [online documentation](https://docs.flutter.dev/), which offers tutorials, samples, guidance on mobile development, and a full API reference. ================================================ FILE: example/analysis_options.yaml ================================================ # This file configures the analyzer, which statically analyzes Dart code to # check for errors, warnings, and lints. # # The issues identified by the analyzer are surfaced in the UI of Dart-enabled # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be # invoked from the command line by running `flutter analyze`. # The following line activates a set of recommended lints for Flutter apps, # packages, and plugins designed to encourage good coding practices. include: package:flutter_lints/flutter.yaml linter: # The lint rules applied to this project can be customized in the # section below to disable rules from the `package:flutter_lints/flutter.yaml` # included above or to enable additional rules. A list of all available lints # and their documentation is published at # https://dart-lang.github.io/linter/lints/index.html. # # Instead of disabling a lint rule for the entire project in the # section below, it can also be suppressed for a single line of code # or a specific dart file by using the `// ignore: name_of_lint` and # `// ignore_for_file: name_of_lint` syntax on the line or in the file # producing the lint. rules: # avoid_print: false # Uncomment to disable the `avoid_print` rule # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule # Additional information about this file can be found at # https://dart.dev/guides/language/analysis-options ================================================ FILE: example/android/.gitignore ================================================ gradle-wrapper.jar /.gradle /captures/ /gradlew /gradlew.bat /local.properties GeneratedPluginRegistrant.java # Remember to never publicly share your keystore. # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app key.properties **/*.keystore **/*.jks ================================================ FILE: example/android/app/build.gradle ================================================ def localProperties = new Properties() def localPropertiesFile = rootProject.file('local.properties') if (localPropertiesFile.exists()) { localPropertiesFile.withReader('UTF-8') { reader -> localProperties.load(reader) } } def flutterRoot = localProperties.getProperty('flutter.sdk') if (flutterRoot == null) { throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") } def flutterVersionCode = localProperties.getProperty('flutter.versionCode') if (flutterVersionCode == null) { flutterVersionCode = '1' } def flutterVersionName = localProperties.getProperty('flutter.versionName') if (flutterVersionName == null) { flutterVersionName = '1.0' } apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" android { compileSdkVersion flutter.compileSdkVersion ndkVersion flutter.ndkVersion compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = '1.8' } sourceSets { main.java.srcDirs += 'src/main/kotlin' } defaultConfig { // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). applicationId "com.example.example" // You can update the following values to match your application needs. // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration. minSdkVersion flutter.minSdkVersion targetSdkVersion flutter.targetSdkVersion versionCode flutterVersionCode.toInteger() versionName flutterVersionName } buildTypes { release { // TODO: Add your own signing config for the release build. // Signing with the debug keys for now, so `flutter run --release` works. signingConfig signingConfigs.debug } } } flutter { source '../..' } dependencies { implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" } ================================================ FILE: example/android/app/src/debug/AndroidManifest.xml ================================================ ================================================ FILE: example/android/app/src/main/AndroidManifest.xml ================================================ ================================================ FILE: example/android/app/src/main/kotlin/com/example/example/MainActivity.kt ================================================ package com.example.example import io.flutter.embedding.android.FlutterActivity class MainActivity: FlutterActivity() { } ================================================ FILE: example/android/app/src/main/res/drawable/launch_background.xml ================================================ ================================================ FILE: example/android/app/src/main/res/drawable-v21/launch_background.xml ================================================ ================================================ FILE: example/android/app/src/main/res/values/styles.xml ================================================ ================================================ FILE: example/android/app/src/main/res/values-night/styles.xml ================================================ ================================================ FILE: example/android/app/src/profile/AndroidManifest.xml ================================================ ================================================ FILE: example/android/build.gradle ================================================ buildscript { ext.kotlin_version = '1.6.10' repositories { google() mavenCentral() } dependencies { classpath 'com.android.tools.build:gradle:7.1.2' classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" } } allprojects { repositories { google() mavenCentral() } } rootProject.buildDir = '../build' subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } subprojects { project.evaluationDependsOn(':app') } task clean(type: Delete) { delete rootProject.buildDir } ================================================ FILE: example/android/gradle/wrapper/gradle-wrapper.properties ================================================ #Fri Jun 23 08:50:38 CEST 2017 distributionBase=GRADLE_USER_HOME distributionPath=wrapper/dists zipStoreBase=GRADLE_USER_HOME zipStorePath=wrapper/dists distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip ================================================ FILE: example/android/gradle.properties ================================================ org.gradle.jvmargs=-Xmx1536M android.useAndroidX=true android.enableJetifier=true ================================================ FILE: example/android/settings.gradle ================================================ include ':app' def localPropertiesFile = new File(rootProject.projectDir, "local.properties") def properties = new Properties() assert localPropertiesFile.exists() localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } def flutterSdkPath = properties.getProperty("flutter.sdk") assert flutterSdkPath != null, "flutter.sdk not set in local.properties" apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" ================================================ FILE: example/ios/.gitignore ================================================ **/dgph *.mode1v3 *.mode2v3 *.moved-aside *.pbxuser *.perspectivev3 **/*sync/ .sconsign.dblite .tags* **/.vagrant/ **/DerivedData/ Icon? **/Pods/ **/.symlinks/ profile xcuserdata **/.generated/ Flutter/App.framework Flutter/Flutter.framework Flutter/Flutter.podspec Flutter/Generated.xcconfig Flutter/ephemeral/ Flutter/app.flx Flutter/app.zip Flutter/flutter_assets/ Flutter/flutter_export_environment.sh ServiceDefinitions.json Runner/GeneratedPluginRegistrant.* # Exceptions to above rules. !default.mode1v3 !default.mode2v3 !default.pbxuser !default.perspectivev3 ================================================ FILE: example/ios/Flutter/AppFrameworkInfo.plist ================================================ CFBundleDevelopmentRegion en CFBundleExecutable App CFBundleIdentifier io.flutter.flutter.app CFBundleInfoDictionaryVersion 6.0 CFBundleName App CFBundlePackageType FMWK CFBundleShortVersionString 1.0 CFBundleSignature ???? CFBundleVersion 1.0 MinimumOSVersion 9.0 ================================================ FILE: example/ios/Flutter/Debug.xcconfig ================================================ #include "Generated.xcconfig" ================================================ FILE: example/ios/Flutter/Release.xcconfig ================================================ #include "Generated.xcconfig" ================================================ FILE: example/ios/Runner/AppDelegate.swift ================================================ import UIKit import Flutter @UIApplicationMain @objc class AppDelegate: FlutterAppDelegate { override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { GeneratedPluginRegistrant.register(with: self) return super.application(application, didFinishLaunchingWithOptions: launchOptions) } } ================================================ FILE: example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json ================================================ { "images" : [ { "size" : "20x20", "idiom" : "iphone", "filename" : "Icon-App-20x20@2x.png", "scale" : "2x" }, { "size" : "20x20", "idiom" : "iphone", "filename" : "Icon-App-20x20@3x.png", "scale" : "3x" }, { "size" : "29x29", "idiom" : "iphone", "filename" : "Icon-App-29x29@1x.png", "scale" : "1x" }, { "size" : "29x29", "idiom" : "iphone", "filename" : "Icon-App-29x29@2x.png", "scale" : "2x" }, { "size" : "29x29", "idiom" : "iphone", "filename" : "Icon-App-29x29@3x.png", "scale" : "3x" }, { "size" : "40x40", "idiom" : "iphone", "filename" : "Icon-App-40x40@2x.png", "scale" : "2x" }, { "size" : "40x40", "idiom" : "iphone", "filename" : "Icon-App-40x40@3x.png", "scale" : "3x" }, { "size" : "60x60", "idiom" : "iphone", "filename" : "Icon-App-60x60@2x.png", "scale" : "2x" }, { "size" : "60x60", "idiom" : "iphone", "filename" : "Icon-App-60x60@3x.png", "scale" : "3x" }, { "size" : "20x20", "idiom" : "ipad", "filename" : "Icon-App-20x20@1x.png", "scale" : "1x" }, { "size" : "20x20", "idiom" : "ipad", "filename" : "Icon-App-20x20@2x.png", "scale" : "2x" }, { "size" : "29x29", "idiom" : "ipad", "filename" : "Icon-App-29x29@1x.png", "scale" : "1x" }, { "size" : "29x29", "idiom" : "ipad", "filename" : "Icon-App-29x29@2x.png", "scale" : "2x" }, { "size" : "40x40", "idiom" : "ipad", "filename" : "Icon-App-40x40@1x.png", "scale" : "1x" }, { "size" : "40x40", "idiom" : "ipad", "filename" : "Icon-App-40x40@2x.png", "scale" : "2x" }, { "size" : "76x76", "idiom" : "ipad", "filename" : "Icon-App-76x76@1x.png", "scale" : "1x" }, { "size" : "76x76", "idiom" : "ipad", "filename" : "Icon-App-76x76@2x.png", "scale" : "2x" }, { "size" : "83.5x83.5", "idiom" : "ipad", "filename" : "Icon-App-83.5x83.5@2x.png", "scale" : "2x" }, { "size" : "1024x1024", "idiom" : "ios-marketing", "filename" : "Icon-App-1024x1024@1x.png", "scale" : "1x" } ], "info" : { "version" : 1, "author" : "xcode" } } ================================================ FILE: example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json ================================================ { "images" : [ { "idiom" : "universal", "filename" : "LaunchImage.png", "scale" : "1x" }, { "idiom" : "universal", "filename" : "LaunchImage@2x.png", "scale" : "2x" }, { "idiom" : "universal", "filename" : "LaunchImage@3x.png", "scale" : "3x" } ], "info" : { "version" : 1, "author" : "xcode" } } ================================================ FILE: example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md ================================================ # Launch Screen Assets You can customize the launch screen with your own desired assets by replacing the image files in this directory. 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import 'package:flutter/material.dart'; import 'package:pie_chart/pie_chart.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return MaterialApp( debugShowCheckedModeBanner: false, title: 'Pie Chart Demo', theme: ThemeData( primarySwatch: Colors.blueGrey, ), darkTheme: ThemeData( primarySwatch: Colors.blueGrey, brightness: Brightness.dark, ), home: const HomePage(), ); } } enum LegendShape { circle, rectangle } class HomePage extends StatefulWidget { const HomePage({Key? key}) : super(key: key); @override HomePageState createState() => HomePageState(); } class HomePageState extends State { final dataMap = { "Flutter": 5, "React": 3, "Xamarin": 2, "Ionic": 2, }; final legendLabels = { "Flutter": "Flutter legend", "React": "React legend", "Xamarin": "Xamarin legend", "Ionic": "Ionic legend", }; final colorList = [ const Color(0xfffdcb6e), const Color(0xff0984e3), const Color(0xfffd79a8), const Color(0xffe17055), const Color(0xff6c5ce7), ]; final gradientList = >[ [ const Color.fromRGBO(223, 250, 92, 1), const Color.fromRGBO(129, 250, 112, 1), ], [ const Color.fromRGBO(129, 182, 205, 1), const Color.fromRGBO(91, 253, 199, 1), ], [ const Color.fromRGBO(175, 63, 62, 1.0), const Color.fromRGBO(254, 154, 92, 1), ] ]; ChartType? _chartType = ChartType.disc; bool _showCenterText = true; bool _showCenterWidget = true; double? _ringStrokeWidth = 32; double? _chartLegendSpacing = 32; bool _showLegendsInRow = false; bool _showLegends = true; bool _showLegendLabel = false; bool _showChartValueBackground = true; bool _showChartValues = true; bool _showChartValuesInPercentage = false; bool _showChartValuesOutside = false; bool _showGradientColors = false; LegendShape? _legendShape = LegendShape.circle; LegendPosition? _legendPosition = LegendPosition.right; int key = 0; @override Widget build(BuildContext context) { final chart = PieChart( key: ValueKey(key), dataMap: dataMap, animationDuration: const Duration(milliseconds: 800), chartLegendSpacing: _chartLegendSpacing!, chartRadius: math.min(MediaQuery.of(context).size.width / 3.2, 300), colorList: colorList, initialAngleInDegree: 0, chartType: _chartType!, centerText: _showCenterText ? "HYBRID" : null, centerWidget: _showCenterWidget ? Container(color: Colors.red, child: const Text("Center")) : null, legendLabels: _showLegendLabel ? legendLabels : {}, legendOptions: LegendOptions( showLegendsInRow: _showLegendsInRow, legendPosition: _legendPosition!, showLegends: _showLegends, legendShape: _legendShape == LegendShape.circle ? BoxShape.circle : BoxShape.rectangle, legendTextStyle: const TextStyle( fontWeight: FontWeight.bold, ), ), chartValuesOptions: ChartValuesOptions( showChartValueBackground: _showChartValueBackground, showChartValues: _showChartValues, showChartValuesInPercentage: _showChartValuesInPercentage, showChartValuesOutside: _showChartValuesOutside, ), ringStrokeWidth: _ringStrokeWidth!, emptyColor: Colors.grey, gradientList: _showGradientColors ? gradientList : null, emptyColorGradient: const [ Color(0xff6c5ce7), Colors.blue, ], baseChartColor: Colors.transparent, ); final settings = SingleChildScrollView( child: Card( margin: const EdgeInsets.all(12), child: Column( children: [ SwitchListTile( value: _showGradientColors, title: const Text("Show Gradient Colors"), onChanged: (val) { setState(() { _showGradientColors = val; }); }, ), ListTile( title: Text( 'Pie Chart Options'.toUpperCase(), style: Theme.of(context).textTheme.overline!.copyWith( fontSize: 12, fontWeight: FontWeight.bold, ), ), ), ListTile( title: const Text("chartType"), trailing: Padding( padding: const EdgeInsets.symmetric(horizontal: 16.0), child: DropdownButton( value: _chartType, items: const [ DropdownMenuItem( value: ChartType.disc, child: Text("disc"), ), DropdownMenuItem( value: ChartType.ring, child: Text("ring"), ), ], onChanged: (val) { setState(() { _chartType = val; }); }, ), ), ), ListTile( title: const Text("ringStrokeWidth"), trailing: Padding( padding: const EdgeInsets.symmetric(horizontal: 16.0), child: DropdownButton( value: _ringStrokeWidth, disabledHint: const Text("select chartType.ring"), items: const [ DropdownMenuItem( value: 16, child: Text("16"), ), DropdownMenuItem( value: 32, child: Text("32"), ), DropdownMenuItem( value: 48, child: Text("48"), ), ], onChanged: (_chartType == ChartType.ring) ? (val) { setState(() { _ringStrokeWidth = val; }); } : null, ), ), ), SwitchListTile( value: _showCenterText, title: const Text("showCenterText (Deprecated)"), onChanged: (val) { setState(() { _showCenterText = val; }); }, ), SwitchListTile( value: _showCenterWidget, title: const Text("showCenterWidget"), onChanged: (val) { setState(() { _showCenterWidget = val; }); }, ), ListTile( title: const Text("chartLegendSpacing"), trailing: Padding( padding: const EdgeInsets.symmetric(horizontal: 16.0), child: DropdownButton( value: _chartLegendSpacing, disabledHint: const Text("select chartType.ring"), items: const [ DropdownMenuItem( value: 16, child: Text("16"), ), DropdownMenuItem( value: 32, child: Text("32"), ), DropdownMenuItem( value: 48, child: Text("48"), ), DropdownMenuItem( value: 64, child: Text("64"), ), ], onChanged: (val) { setState(() { _chartLegendSpacing = val; }); }, ), ), ), ListTile( title: Text( 'Legend Options'.toUpperCase(), style: Theme.of(context).textTheme.overline!.copyWith( fontSize: 12, fontWeight: FontWeight.bold, ), ), ), SwitchListTile( value: _showLegends, title: const Text("showLegends"), onChanged: (val) { setState(() { _showLegends = val; }); }, ), SwitchListTile( value: _showLegendsInRow, title: const Text("showLegendsInRow"), onChanged: (val) { setState(() { _showLegendsInRow = val; }); }, ), SwitchListTile( value: _showLegendLabel, title: const Text("showLegendLabels"), onChanged: (val) { setState(() { _showLegendLabel = val; }); }, ), ListTile( title: const Text("legendShape"), trailing: Padding( padding: const EdgeInsets.symmetric(horizontal: 16.0), child: DropdownButton( value: _legendShape, items: const [ DropdownMenuItem( value: LegendShape.circle, child: Text("BoxShape.circle"), ), DropdownMenuItem( value: LegendShape.rectangle, child: Text("BoxShape.rectangle"), ), ], onChanged: (val) { setState(() { _legendShape = val; }); }, ), ), ), ListTile( title: const Text("legendPosition"), trailing: Padding( padding: const EdgeInsets.symmetric(horizontal: 16.0), child: DropdownButton( value: _legendPosition, items: const [ DropdownMenuItem( value: LegendPosition.left, child: Text("left"), ), DropdownMenuItem( value: LegendPosition.right, child: Text("right"), ), DropdownMenuItem( value: LegendPosition.top, child: Text("top"), ), DropdownMenuItem( value: LegendPosition.bottom, child: Text("bottom"), ), ], onChanged: (val) { setState(() { _legendPosition = val; }); }, ), ), ), ListTile( title: Text( 'Chart values Options'.toUpperCase(), style: Theme.of(context).textTheme.overline!.copyWith( fontSize: 12, fontWeight: FontWeight.bold, ), ), ), SwitchListTile( value: _showChartValueBackground, title: const Text("showChartValueBackground"), onChanged: (val) { setState(() { _showChartValueBackground = val; }); }, ), SwitchListTile( value: _showChartValues, title: const Text("showChartValues"), onChanged: (val) { setState(() { _showChartValues = val; }); }, ), SwitchListTile( value: _showChartValuesInPercentage, title: const Text("showChartValuesInPercentage"), onChanged: (val) { setState(() { _showChartValuesInPercentage = val; }); }, ), SwitchListTile( value: _showChartValuesOutside, title: const Text("showChartValuesOutside"), onChanged: (val) { setState(() { _showChartValuesOutside = val; }); }, ), ], ), ), ); return Scaffold( appBar: AppBar( title: const Text("Pie Chart @apgapg"), actions: [ ElevatedButton( onPressed: () { setState(() { key = key + 1; }); }, child: Text("Reload".toUpperCase()), ), ], ), body: LayoutBuilder( builder: (_, constraints) { if (constraints.maxWidth >= 600) { return Row( crossAxisAlignment: CrossAxisAlignment.start, children: [ Flexible( flex: 3, fit: FlexFit.tight, child: chart, ), Flexible( flex: 2, fit: FlexFit.tight, child: settings, ) ], ); } else { return SingleChildScrollView( child: Column( children: [ Container( margin: const EdgeInsets.symmetric( vertical: 32, ), child: chart, ), settings, ], ), ); } }, ), ); } } class HomePage2 extends StatelessWidget { HomePage2({Key? key}) : super(key: key); final dataMap = { "Flutter": 5, }; final colorList = [ Colors.greenAccent, ]; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text("Pie Chart 1"), ), body: Container( padding: const EdgeInsets.symmetric(horizontal: 16), child: PieChart( dataMap: dataMap, chartType: ChartType.ring, baseChartColor: Colors.grey[50]!.withOpacity(0.15), colorList: colorList, chartValuesOptions: const ChartValuesOptions( showChartValuesInPercentage: true, ), totalValue: 20, ), ), ); } } ================================================ FILE: example/linux/.gitignore ================================================ flutter/ephemeral ================================================ FILE: example/linux/CMakeLists.txt ================================================ # Project-level configuration. cmake_minimum_required(VERSION 3.10) project(runner LANGUAGES CXX) # The name of the executable created for the application. Change this to change # the on-disk name of your application. set(BINARY_NAME "example") # The unique GTK application identifier for this application. See: # https://wiki.gnome.org/HowDoI/ChooseApplicationID set(APPLICATION_ID "com.example.example") # Explicitly opt in to modern CMake behaviors to avoid warnings with recent # versions of CMake. cmake_policy(SET CMP0063 NEW) # Load bundled libraries from the lib/ directory relative to the binary. set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") # Root filesystem for cross-building. if(FLUTTER_TARGET_PLATFORM_SYSROOT) set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) endif() # Define build configuration options. if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Flutter build mode" FORCE) set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Profile" "Release") endif() # Compilation settings that should be applied to most targets. # # Be cautious about adding new options here, as plugins use this function by # default. In most cases, you should add new options to specific targets instead # of modifying this function. function(APPLY_STANDARD_SETTINGS TARGET) target_compile_features(${TARGET} PUBLIC cxx_std_14) target_compile_options(${TARGET} PRIVATE -Wall -Werror) target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") endfunction() # Flutter library and tool build rules. set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") add_subdirectory(${FLUTTER_MANAGED_DIR}) # System-level dependencies. find_package(PkgConfig REQUIRED) pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") # Define the application target. To change its name, change BINARY_NAME above, # not the value here, or `flutter run` will no longer work. # # Any new source files that you add to the application should be added here. add_executable(${BINARY_NAME} "main.cc" "my_application.cc" "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" ) # Apply the standard set of build settings. This can be removed for applications # that need different build settings. apply_standard_settings(${BINARY_NAME}) # Add dependency libraries. Add any application-specific dependencies here. target_link_libraries(${BINARY_NAME} PRIVATE flutter) target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) # Run the Flutter tool portions of the build. This must not be removed. add_dependencies(${BINARY_NAME} flutter_assemble) # Only the install-generated bundle's copy of the executable will launch # correctly, since the resources must in the right relative locations. To avoid # people trying to run the unbundled copy, put it in a subdirectory instead of # the default top-level location. set_target_properties(${BINARY_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" ) # Generated plugin build rules, which manage building the plugins and adding # them to the application. include(flutter/generated_plugins.cmake) # === Installation === # By default, "installing" just makes a relocatable bundle in the build # directory. set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) endif() # Start with a clean build bundle directory every time. install(CODE " file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") " COMPONENT Runtime) set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" COMPONENT Runtime) install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" COMPONENT Runtime) foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES}) install(FILES "${bundled_library}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" COMPONENT Runtime) endforeach(bundled_library) # Fully re-copy the assets directory on each build to avoid having stale files # from a previous install. set(FLUTTER_ASSET_DIR_NAME "flutter_assets") install(CODE " file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") " COMPONENT Runtime) install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) # Install the AOT library on non-Debug builds only. if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" COMPONENT Runtime) endif() ================================================ FILE: example/linux/flutter/CMakeLists.txt ================================================ # This file controls Flutter-level build steps. It should not be edited. cmake_minimum_required(VERSION 3.10) set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") # Configuration provided via flutter tool. include(${EPHEMERAL_DIR}/generated_config.cmake) # TODO: Move the rest of this into files in ephemeral. See # https://github.com/flutter/flutter/issues/57146. # Serves the same purpose as list(TRANSFORM ... PREPEND ...), # which isn't available in 3.10. function(list_prepend LIST_NAME PREFIX) set(NEW_LIST "") foreach(element ${${LIST_NAME}}) list(APPEND NEW_LIST "${PREFIX}${element}") endforeach(element) set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) endfunction() # === Flutter Library === # System-level dependencies. find_package(PkgConfig REQUIRED) pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") # Published to parent scope for install step. set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE) list(APPEND FLUTTER_LIBRARY_HEADERS "fl_basic_message_channel.h" "fl_binary_codec.h" "fl_binary_messenger.h" "fl_dart_project.h" "fl_engine.h" "fl_json_message_codec.h" "fl_json_method_codec.h" "fl_message_codec.h" "fl_method_call.h" "fl_method_channel.h" "fl_method_codec.h" "fl_method_response.h" "fl_plugin_registrar.h" "fl_plugin_registry.h" "fl_standard_message_codec.h" "fl_standard_method_codec.h" "fl_string_codec.h" "fl_value.h" "fl_view.h" "flutter_linux.h" ) list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") add_library(flutter INTERFACE) target_include_directories(flutter INTERFACE "${EPHEMERAL_DIR}" ) target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") target_link_libraries(flutter INTERFACE PkgConfig::GTK PkgConfig::GLIB PkgConfig::GIO ) add_dependencies(flutter flutter_assemble) # === Flutter tool backend === # _phony_ is a non-existent file to force this command to run every time, # since currently there's no way to get a full input/output list from the # flutter tool. add_custom_command( OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} ${CMAKE_CURRENT_BINARY_DIR}/_phony_ COMMAND ${CMAKE_COMMAND} -E env ${FLUTTER_TOOL_ENVIRONMENT} "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} VERBATIM ) add_custom_target(flutter_assemble DEPENDS "${FLUTTER_LIBRARY}" ${FLUTTER_LIBRARY_HEADERS} ) ================================================ FILE: example/linux/flutter/generated_plugin_registrant.cc ================================================ // // Generated file. Do not edit. // // clang-format off #include "generated_plugin_registrant.h" void fl_register_plugins(FlPluginRegistry* registry) { } ================================================ FILE: example/linux/flutter/generated_plugin_registrant.h ================================================ // // Generated file. Do not edit. // // clang-format off #ifndef GENERATED_PLUGIN_REGISTRANT_ #define GENERATED_PLUGIN_REGISTRANT_ #include // Registers Flutter plugins. void fl_register_plugins(FlPluginRegistry* registry); #endif // GENERATED_PLUGIN_REGISTRANT_ ================================================ FILE: example/linux/flutter/generated_plugins.cmake ================================================ # # Generated file, do not edit. # list(APPEND FLUTTER_PLUGIN_LIST ) list(APPEND FLUTTER_FFI_PLUGIN_LIST ) set(PLUGIN_BUNDLED_LIBRARIES) foreach(plugin ${FLUTTER_PLUGIN_LIST}) add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) list(APPEND PLUGIN_BUNDLED_LIBRARIES $) list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) endforeach(plugin) foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) endforeach(ffi_plugin) ================================================ FILE: example/linux/main.cc ================================================ #include "my_application.h" int main(int argc, char** argv) { g_autoptr(MyApplication) app = my_application_new(); return g_application_run(G_APPLICATION(app), argc, argv); } ================================================ FILE: example/linux/my_application.cc ================================================ #include "my_application.h" #include #ifdef GDK_WINDOWING_X11 #include #endif #include "flutter/generated_plugin_registrant.h" struct _MyApplication { GtkApplication parent_instance; char** dart_entrypoint_arguments; }; G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) // Implements GApplication::activate. static void my_application_activate(GApplication* application) { MyApplication* self = MY_APPLICATION(application); GtkWindow* window = GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); // Use a header bar when running in GNOME as this is the common style used // by applications and is the setup most users will be using (e.g. Ubuntu // desktop). // If running on X and not using GNOME then just use a traditional title bar // in case the window manager does more exotic layout, e.g. tiling. // If running on Wayland assume the header bar will work (may need changing // if future cases occur). gboolean use_header_bar = TRUE; #ifdef GDK_WINDOWING_X11 GdkScreen* screen = gtk_window_get_screen(window); if (GDK_IS_X11_SCREEN(screen)) { const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); if (g_strcmp0(wm_name, "GNOME Shell") != 0) { use_header_bar = FALSE; } } #endif if (use_header_bar) { GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); gtk_widget_show(GTK_WIDGET(header_bar)); gtk_header_bar_set_title(header_bar, "example"); gtk_header_bar_set_show_close_button(header_bar, TRUE); gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); } else { gtk_window_set_title(window, "example"); } gtk_window_set_default_size(window, 1280, 720); gtk_widget_show(GTK_WIDGET(window)); g_autoptr(FlDartProject) project = fl_dart_project_new(); fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments); FlView* view = fl_view_new(project); gtk_widget_show(GTK_WIDGET(view)); gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); fl_register_plugins(FL_PLUGIN_REGISTRY(view)); gtk_widget_grab_focus(GTK_WIDGET(view)); } // Implements GApplication::local_command_line. static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) { MyApplication* self = MY_APPLICATION(application); // Strip out the first argument as it is the binary name. self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); g_autoptr(GError) error = nullptr; if (!g_application_register(application, nullptr, &error)) { g_warning("Failed to register: %s", error->message); *exit_status = 1; return TRUE; } g_application_activate(application); *exit_status = 0; return TRUE; } // Implements GObject::dispose. static void my_application_dispose(GObject* object) { MyApplication* self = MY_APPLICATION(object); g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); G_OBJECT_CLASS(my_application_parent_class)->dispose(object); } static void my_application_class_init(MyApplicationClass* klass) { G_APPLICATION_CLASS(klass)->activate = my_application_activate; G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line; G_OBJECT_CLASS(klass)->dispose = my_application_dispose; } static void my_application_init(MyApplication* self) {} MyApplication* my_application_new() { return MY_APPLICATION(g_object_new(my_application_get_type(), "application-id", APPLICATION_ID, "flags", G_APPLICATION_NON_UNIQUE, nullptr)); } ================================================ FILE: example/linux/my_application.h ================================================ #ifndef FLUTTER_MY_APPLICATION_H_ #define FLUTTER_MY_APPLICATION_H_ #include G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION, GtkApplication) /** * my_application_new: * * Creates a new Flutter-based application. * * Returns: a new #MyApplication. */ MyApplication* my_application_new(); #endif // FLUTTER_MY_APPLICATION_H_ ================================================ FILE: example/macos/.gitignore ================================================ # Flutter-related **/Flutter/ephemeral/ **/Pods/ # Xcode-related **/dgph **/xcuserdata/ ================================================ FILE: example/macos/Flutter/Flutter-Debug.xcconfig ================================================ #include "ephemeral/Flutter-Generated.xcconfig" ================================================ FILE: example/macos/Flutter/Flutter-Release.xcconfig ================================================ #include "ephemeral/Flutter-Generated.xcconfig" ================================================ FILE: example/macos/Flutter/GeneratedPluginRegistrant.swift ================================================ // // Generated file. Do not edit. // import FlutterMacOS import Foundation func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { } ================================================ FILE: example/macos/Runner/AppDelegate.swift ================================================ import Cocoa import FlutterMacOS @NSApplicationMain class AppDelegate: FlutterAppDelegate { override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { return true } } ================================================ FILE: example/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json ================================================ { "images" : [ { "size" : "16x16", "idiom" : "mac", "filename" : "app_icon_16.png", "scale" : "1x" }, { "size" : "16x16", "idiom" : "mac", "filename" : "app_icon_32.png", "scale" : "2x" }, { "size" : "32x32", "idiom" : "mac", "filename" : "app_icon_32.png", "scale" : "1x" }, { "size" : "32x32", "idiom" : "mac", "filename" : "app_icon_64.png", "scale" : "2x" }, { "size" : "128x128", "idiom" : "mac", "filename" : "app_icon_128.png", "scale" : "1x" }, { "size" : "128x128", "idiom" : "mac", "filename" : "app_icon_256.png", "scale" : "2x" }, { "size" : "256x256", "idiom" : "mac", "filename" : "app_icon_256.png", "scale" : "1x" }, { "size" : "256x256", "idiom" : "mac", "filename" : "app_icon_512.png", "scale" : "2x" }, { "size" : "512x512", "idiom" : "mac", "filename" : "app_icon_512.png", "scale" : "1x" }, { "size" : "512x512", "idiom" : "mac", "filename" : "app_icon_1024.png", "scale" : "2x" } ], "info" : { "version" : 1, "author" : "xcode" } } ================================================ FILE: example/macos/Runner/Base.lproj/MainMenu.xib ================================================ ================================================ FILE: example/macos/Runner/Configs/AppInfo.xcconfig ================================================ // Application-level settings for the Runner target. // // This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the // future. If not, the values below would default to using the project name when this becomes a // 'flutter create' template. // The application's name. By default this is also the title of the Flutter window. PRODUCT_NAME = example // The application's bundle identifier PRODUCT_BUNDLE_IDENTIFIER = com.example.example // The copyright displayed in application information PRODUCT_COPYRIGHT = Copyright © 2022 com.example. All rights reserved. ================================================ FILE: example/macos/Runner/Configs/Debug.xcconfig ================================================ #include "../../Flutter/Flutter-Debug.xcconfig" #include "Warnings.xcconfig" ================================================ FILE: example/macos/Runner/Configs/Release.xcconfig ================================================ #include "../../Flutter/Flutter-Release.xcconfig" #include "Warnings.xcconfig" ================================================ FILE: example/macos/Runner/Configs/Warnings.xcconfig ================================================ WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings GCC_WARN_UNDECLARED_SELECTOR = YES CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE CLANG_WARN__DUPLICATE_METHOD_MATCH = YES CLANG_WARN_PRAGMA_PACK = YES CLANG_WARN_STRICT_PROTOTYPES = YES CLANG_WARN_COMMA = YES GCC_WARN_STRICT_SELECTOR_MATCH = YES CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES GCC_WARN_SHADOW = YES CLANG_WARN_UNREACHABLE_CODE = YES ================================================ FILE: example/macos/Runner/DebugProfile.entitlements ================================================ com.apple.security.app-sandbox com.apple.security.cs.allow-jit com.apple.security.network.server ================================================ FILE: example/macos/Runner/Info.plist ================================================ CFBundleDevelopmentRegion $(DEVELOPMENT_LANGUAGE) CFBundleExecutable $(EXECUTABLE_NAME) CFBundleIconFile CFBundleIdentifier $(PRODUCT_BUNDLE_IDENTIFIER) CFBundleInfoDictionaryVersion 6.0 CFBundleName $(PRODUCT_NAME) CFBundlePackageType APPL CFBundleShortVersionString $(FLUTTER_BUILD_NAME) CFBundleVersion $(FLUTTER_BUILD_NUMBER) LSMinimumSystemVersion $(MACOSX_DEPLOYMENT_TARGET) NSHumanReadableCopyright $(PRODUCT_COPYRIGHT) NSMainNibFile MainMenu NSPrincipalClass NSApplication ================================================ FILE: example/macos/Runner/MainFlutterWindow.swift ================================================ import Cocoa import FlutterMacOS class MainFlutterWindow: NSWindow { override func awakeFromNib() { let flutterViewController = FlutterViewController.init() let windowFrame = self.frame self.contentViewController = flutterViewController self.setFrame(windowFrame, display: true) RegisterGeneratedPlugins(registry: flutterViewController) super.awakeFromNib() } } ================================================ FILE: example/macos/Runner/Release.entitlements ================================================ com.apple.security.app-sandbox ================================================ FILE: example/macos/Runner.xcodeproj/project.pbxproj ================================================ // !$*UTF8*$! { archiveVersion = 1; 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This is preferred for private packages. publish_to: 'none' # Remove this line if you wish to publish to pub.dev # The following defines the version and build number for your application. # A version number is three numbers separated by dots, like 1.2.43 # followed by an optional build number separated by a +. # Both the version and the builder number may be overridden in flutter # build by specifying --build-name and --build-number, respectively. # In Android, build-name is used as versionName while build-number used as versionCode. # Read more about Android versioning at https://developer.android.com/studio/publish/versioning # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. # Read more about iOS versioning at # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html version: 1.0.0+1 environment: sdk: '>=2.12.0 <3.0.0' # Dependencies specify other packages that your package needs in order to work. # To automatically upgrade your package dependencies to the latest versions # consider running `flutter pub upgrade --major-versions`. Alternatively, # dependencies can be manually updated by changing the version numbers below to # the latest version available on pub.dev. To see which dependencies have newer # versions available, run `flutter pub outdated`. dependencies: flutter: sdk: flutter pie_chart: path: ../ dev_dependencies: flutter_test: sdk: flutter # The "flutter_lints" package below contains a set of recommended lints to # encourage good coding practices. The lint set provided by the package is # activated in the `analysis_options.yaml` file located at the root of your # package. See that file for information about deactivating specific lint # rules and activating additional ones. flutter_lints: ^2.0.0 # For information on the generic Dart part of this file, see the # following page: https://dart.dev/tools/pub/pubspec # The following section is specific to Flutter packages. flutter: # The following line ensures that the Material Icons font is # included with your application, so that you can use the icons in # the material Icons class. uses-material-design: true # To add assets to your application, add an assets section, like this: # assets: # - images/a_dot_burr.jpeg # - images/a_dot_ham.jpeg # An image asset can refer to one or more resolution-specific "variants", see # https://flutter.dev/assets-and-images/#resolution-aware # For details regarding adding assets from package dependencies, see # https://flutter.dev/assets-and-images/#from-packages # To add custom fonts to your application, add a fonts section here, # in this "flutter" section. Each entry in this list should have a # "family" key with the font family name, and a "fonts" key with a # list giving the asset and other descriptors for the font. For # example: # fonts: # - family: Schyler # fonts: # - asset: fonts/Schyler-Regular.ttf # - asset: fonts/Schyler-Italic.ttf # style: italic # - family: Trajan Pro # fonts: # - asset: fonts/TrajanPro.ttf # - asset: fonts/TrajanPro_Bold.ttf # weight: 700 # # For details regarding fonts from package dependencies, # see https://flutter.dev/custom-fonts/#from-packages ================================================ FILE: example/web/index.html ================================================ pie_chart ================================================ FILE: example/web/manifest.json ================================================ { "name": "example", "short_name": "example", "start_url": ".", "display": "standalone", "background_color": "#0175C2", "theme_color": "#0175C2", "description": "A new Flutter project.", "orientation": "portrait-primary", "prefer_related_applications": false, "icons": [ { "src": "icons/Icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "icons/Icon-512.png", "sizes": "512x512", "type": "image/png" }, { "src": "icons/Icon-maskable-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" }, { "src": "icons/Icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" } ] } ================================================ FILE: example/windows/.gitignore ================================================ flutter/ephemeral/ # Visual Studio user-specific files. *.suo *.user *.userosscache *.sln.docstates # Visual Studio build-related files. x64/ x86/ # Visual Studio cache files # files ending in .cache can be ignored *.[Cc]ache # but keep track of directories ending in .cache !*.[Cc]ache/ ================================================ FILE: example/windows/CMakeLists.txt ================================================ # Project-level configuration. cmake_minimum_required(VERSION 3.14) project(example LANGUAGES CXX) # The name of the executable created for the application. Change this to change # the on-disk name of your application. set(BINARY_NAME "example") # Explicitly opt in to modern CMake behaviors to avoid warnings with recent # versions of CMake. cmake_policy(SET CMP0063 NEW) # Define build configuration option. get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) if(IS_MULTICONFIG) set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" CACHE STRING "" FORCE) else() if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Flutter build mode" FORCE) set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Profile" "Release") endif() endif() # Define settings for the Profile build mode. set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") # Use Unicode for all projects. add_definitions(-DUNICODE -D_UNICODE) # Compilation settings that should be applied to most targets. # # Be cautious about adding new options here, as plugins use this function by # default. In most cases, you should add new options to specific targets instead # of modifying this function. function(APPLY_STANDARD_SETTINGS TARGET) target_compile_features(${TARGET} PUBLIC cxx_std_17) target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") target_compile_options(${TARGET} PRIVATE /EHsc) target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") endfunction() # Flutter library and tool build rules. set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") add_subdirectory(${FLUTTER_MANAGED_DIR}) # Application build; see runner/CMakeLists.txt. add_subdirectory("runner") # Generated plugin build rules, which manage building the plugins and adding # them to the application. include(flutter/generated_plugins.cmake) # === Installation === # Support files are copied into place next to the executable, so that it can # run in place. This is done instead of making a separate bundle (as on Linux) # so that building and running from within Visual Studio will work. set(BUILD_BUNDLE_DIR "$") # Make the "install" step default, as it's required to run. set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) endif() set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" COMPONENT Runtime) install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" COMPONENT Runtime) if(PLUGIN_BUNDLED_LIBRARIES) install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" COMPONENT Runtime) endif() # Fully re-copy the assets directory on each build to avoid having stale files # from a previous install. set(FLUTTER_ASSET_DIR_NAME "flutter_assets") install(CODE " file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") " COMPONENT Runtime) install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) # Install the AOT library on non-Debug builds only. install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" CONFIGURATIONS Profile;Release COMPONENT Runtime) ================================================ FILE: example/windows/flutter/CMakeLists.txt ================================================ # This file controls Flutter-level build steps. It should not be edited. cmake_minimum_required(VERSION 3.14) set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") # Configuration provided via flutter tool. include(${EPHEMERAL_DIR}/generated_config.cmake) # TODO: Move the rest of this into files in ephemeral. See # https://github.com/flutter/flutter/issues/57146. set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") # === Flutter Library === set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") # Published to parent scope for install step. set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) list(APPEND FLUTTER_LIBRARY_HEADERS "flutter_export.h" "flutter_windows.h" "flutter_messenger.h" "flutter_plugin_registrar.h" "flutter_texture_registrar.h" ) list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") add_library(flutter INTERFACE) target_include_directories(flutter INTERFACE "${EPHEMERAL_DIR}" ) target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") add_dependencies(flutter flutter_assemble) # === Wrapper === list(APPEND CPP_WRAPPER_SOURCES_CORE "core_implementations.cc" "standard_codec.cc" ) list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") list(APPEND CPP_WRAPPER_SOURCES_PLUGIN "plugin_registrar.cc" ) list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") list(APPEND CPP_WRAPPER_SOURCES_APP "flutter_engine.cc" "flutter_view_controller.cc" ) list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") # Wrapper sources needed for a plugin. add_library(flutter_wrapper_plugin STATIC ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} ) apply_standard_settings(flutter_wrapper_plugin) set_target_properties(flutter_wrapper_plugin PROPERTIES POSITION_INDEPENDENT_CODE ON) set_target_properties(flutter_wrapper_plugin PROPERTIES CXX_VISIBILITY_PRESET hidden) target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) target_include_directories(flutter_wrapper_plugin PUBLIC "${WRAPPER_ROOT}/include" ) add_dependencies(flutter_wrapper_plugin flutter_assemble) # Wrapper sources needed for the runner. add_library(flutter_wrapper_app STATIC ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_APP} ) apply_standard_settings(flutter_wrapper_app) target_link_libraries(flutter_wrapper_app PUBLIC flutter) target_include_directories(flutter_wrapper_app PUBLIC "${WRAPPER_ROOT}/include" ) add_dependencies(flutter_wrapper_app flutter_assemble) # === Flutter tool backend === # _phony_ is a non-existent file to force this command to run every time, # since currently there's no way to get a full input/output list from the # flutter tool. set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) add_custom_command( OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} ${CPP_WRAPPER_SOURCES_APP} ${PHONY_OUTPUT} COMMAND ${CMAKE_COMMAND} -E env ${FLUTTER_TOOL_ENVIRONMENT} "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" windows-x64 $ VERBATIM ) add_custom_target(flutter_assemble DEPENDS "${FLUTTER_LIBRARY}" ${FLUTTER_LIBRARY_HEADERS} ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} ${CPP_WRAPPER_SOURCES_APP} ) ================================================ FILE: example/windows/flutter/generated_plugin_registrant.cc ================================================ // // Generated file. Do not edit. // // clang-format off #include "generated_plugin_registrant.h" void RegisterPlugins(flutter::PluginRegistry* registry) { } ================================================ FILE: example/windows/flutter/generated_plugin_registrant.h ================================================ // // Generated file. Do not edit. // // clang-format off #ifndef GENERATED_PLUGIN_REGISTRANT_ #define GENERATED_PLUGIN_REGISTRANT_ #include // Registers Flutter plugins. void RegisterPlugins(flutter::PluginRegistry* registry); #endif // GENERATED_PLUGIN_REGISTRANT_ ================================================ FILE: example/windows/flutter/generated_plugins.cmake ================================================ # # Generated file, do not edit. # list(APPEND FLUTTER_PLUGIN_LIST ) list(APPEND FLUTTER_FFI_PLUGIN_LIST ) set(PLUGIN_BUNDLED_LIBRARIES) foreach(plugin ${FLUTTER_PLUGIN_LIST}) add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) list(APPEND PLUGIN_BUNDLED_LIBRARIES $) list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) endforeach(plugin) foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) endforeach(ffi_plugin) ================================================ FILE: example/windows/runner/CMakeLists.txt ================================================ cmake_minimum_required(VERSION 3.14) project(runner LANGUAGES CXX) # Define the application target. To change its name, change BINARY_NAME in the # top-level CMakeLists.txt, not the value here, or `flutter run` will no longer # work. # # Any new source files that you add to the application should be added here. add_executable(${BINARY_NAME} WIN32 "flutter_window.cpp" "main.cpp" "utils.cpp" "win32_window.cpp" "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" "Runner.rc" "runner.exe.manifest" ) # Apply the standard set of build settings. This can be removed for applications # that need different build settings. apply_standard_settings(${BINARY_NAME}) # Disable Windows macros that collide with C++ standard library functions. target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") # Add dependency libraries and include directories. Add any application-specific # dependencies here. target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") # Run the Flutter tool portions of the build. This must not be removed. add_dependencies(${BINARY_NAME} flutter_assemble) ================================================ FILE: example/windows/runner/Runner.rc ================================================ // Microsoft Visual C++ generated resource script. // #pragma code_page(65001) #include "resource.h" #define APSTUDIO_READONLY_SYMBOLS ///////////////////////////////////////////////////////////////////////////// // // Generated from the TEXTINCLUDE 2 resource. // #include "winres.h" ///////////////////////////////////////////////////////////////////////////// #undef APSTUDIO_READONLY_SYMBOLS ///////////////////////////////////////////////////////////////////////////// // English (United States) resources #if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US #ifdef APSTUDIO_INVOKED ///////////////////////////////////////////////////////////////////////////// // // TEXTINCLUDE // 1 TEXTINCLUDE BEGIN "resource.h\0" END 2 TEXTINCLUDE BEGIN "#include ""winres.h""\r\n" "\0" END 3 TEXTINCLUDE BEGIN "\r\n" "\0" END #endif // APSTUDIO_INVOKED ///////////////////////////////////////////////////////////////////////////// // // Icon // // Icon with lowest ID value placed first to ensure application icon // remains consistent on all systems. IDI_APP_ICON ICON "resources\\app_icon.ico" ///////////////////////////////////////////////////////////////////////////// // // Version // #ifdef FLUTTER_BUILD_NUMBER #define VERSION_AS_NUMBER FLUTTER_BUILD_NUMBER #else #define VERSION_AS_NUMBER 1,0,0 #endif #ifdef FLUTTER_BUILD_NAME #define VERSION_AS_STRING #FLUTTER_BUILD_NAME #else #define VERSION_AS_STRING "1.0.0" #endif VS_VERSION_INFO VERSIONINFO FILEVERSION VERSION_AS_NUMBER PRODUCTVERSION VERSION_AS_NUMBER FILEFLAGSMASK VS_FFI_FILEFLAGSMASK #ifdef _DEBUG FILEFLAGS VS_FF_DEBUG #else FILEFLAGS 0x0L #endif FILEOS VOS__WINDOWS32 FILETYPE VFT_APP FILESUBTYPE 0x0L BEGIN BLOCK "StringFileInfo" BEGIN BLOCK "040904e4" BEGIN VALUE "CompanyName", "com.example" "\0" VALUE "FileDescription", "example" "\0" VALUE "FileVersion", VERSION_AS_STRING "\0" VALUE "InternalName", "example" "\0" VALUE "LegalCopyright", "Copyright (C) 2022 com.example. All rights reserved." "\0" VALUE "OriginalFilename", "example.exe" "\0" VALUE "ProductName", "example" "\0" VALUE "ProductVersion", VERSION_AS_STRING "\0" END END BLOCK "VarFileInfo" BEGIN VALUE "Translation", 0x409, 1252 END END #endif // English (United States) resources ///////////////////////////////////////////////////////////////////////////// #ifndef APSTUDIO_INVOKED ///////////////////////////////////////////////////////////////////////////// // // Generated from the TEXTINCLUDE 3 resource. // ///////////////////////////////////////////////////////////////////////////// #endif // not APSTUDIO_INVOKED ================================================ FILE: example/windows/runner/flutter_window.cpp ================================================ #include "flutter_window.h" #include #include "flutter/generated_plugin_registrant.h" FlutterWindow::FlutterWindow(const flutter::DartProject& project) : project_(project) {} FlutterWindow::~FlutterWindow() {} bool FlutterWindow::OnCreate() { if (!Win32Window::OnCreate()) { return false; } RECT frame = GetClientArea(); // The size here must match the window dimensions to avoid unnecessary surface // creation / destruction in the startup path. flutter_controller_ = std::make_unique( frame.right - frame.left, frame.bottom - frame.top, project_); // Ensure that basic setup of the controller was successful. if (!flutter_controller_->engine() || !flutter_controller_->view()) { return false; } RegisterPlugins(flutter_controller_->engine()); SetChildContent(flutter_controller_->view()->GetNativeWindow()); return true; } void FlutterWindow::OnDestroy() { if (flutter_controller_) { flutter_controller_ = nullptr; } Win32Window::OnDestroy(); } LRESULT FlutterWindow::MessageHandler(HWND hwnd, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept { // Give Flutter, including plugins, an opportunity to handle window messages. if (flutter_controller_) { std::optional result = flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, lparam); if (result) { return *result; } } switch (message) { case WM_FONTCHANGE: flutter_controller_->engine()->ReloadSystemFonts(); break; } return Win32Window::MessageHandler(hwnd, message, wparam, lparam); } ================================================ FILE: example/windows/runner/flutter_window.h ================================================ #ifndef RUNNER_FLUTTER_WINDOW_H_ #define RUNNER_FLUTTER_WINDOW_H_ #include #include #include #include "win32_window.h" // A window that does nothing but host a Flutter view. class FlutterWindow : public Win32Window { public: // Creates a new FlutterWindow hosting a Flutter view running |project|. explicit FlutterWindow(const flutter::DartProject& project); virtual ~FlutterWindow(); protected: // Win32Window: bool OnCreate() override; void OnDestroy() override; LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept override; private: // The project to run. flutter::DartProject project_; // The Flutter instance hosted by this window. std::unique_ptr flutter_controller_; }; #endif // RUNNER_FLUTTER_WINDOW_H_ ================================================ FILE: example/windows/runner/main.cpp ================================================ #include #include #include #include "flutter_window.h" #include "utils.h" int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, _In_ wchar_t *command_line, _In_ int show_command) { // Attach to console when present (e.g., 'flutter run') or create a // new console when running with a debugger. if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { CreateAndAttachConsole(); } // Initialize COM, so that it is available for use in the library and/or // plugins. ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); flutter::DartProject project(L"data"); std::vector command_line_arguments = GetCommandLineArguments(); project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); FlutterWindow window(project); Win32Window::Point origin(10, 10); Win32Window::Size size(1280, 720); if (!window.CreateAndShow(L"example", origin, size)) { return EXIT_FAILURE; } window.SetQuitOnClose(true); ::MSG msg; while (::GetMessage(&msg, nullptr, 0, 0)) { ::TranslateMessage(&msg); ::DispatchMessage(&msg); } ::CoUninitialize(); return EXIT_SUCCESS; } ================================================ FILE: example/windows/runner/resource.h ================================================ //{{NO_DEPENDENCIES}} // Microsoft Visual C++ generated include file. // Used by Runner.rc // #define IDI_APP_ICON 101 // Next default values for new objects // #ifdef APSTUDIO_INVOKED #ifndef APSTUDIO_READONLY_SYMBOLS #define _APS_NEXT_RESOURCE_VALUE 102 #define _APS_NEXT_COMMAND_VALUE 40001 #define _APS_NEXT_CONTROL_VALUE 1001 #define _APS_NEXT_SYMED_VALUE 101 #endif #endif ================================================ FILE: example/windows/runner/runner.exe.manifest ================================================ PerMonitorV2 ================================================ FILE: example/windows/runner/utils.cpp ================================================ #include "utils.h" #include #include #include #include #include void CreateAndAttachConsole() { if (::AllocConsole()) { FILE *unused; if (freopen_s(&unused, "CONOUT$", "w", stdout)) { _dup2(_fileno(stdout), 1); } if (freopen_s(&unused, "CONOUT$", "w", stderr)) { _dup2(_fileno(stdout), 2); } std::ios::sync_with_stdio(); FlutterDesktopResyncOutputStreams(); } } std::vector GetCommandLineArguments() { // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. int argc; wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); if (argv == nullptr) { return std::vector(); } std::vector command_line_arguments; // Skip the first argument as it's the binary name. for (int i = 1; i < argc; i++) { command_line_arguments.push_back(Utf8FromUtf16(argv[i])); } ::LocalFree(argv); return command_line_arguments; } std::string Utf8FromUtf16(const wchar_t* utf16_string) { if (utf16_string == nullptr) { return std::string(); } int target_length = ::WideCharToMultiByte( CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, -1, nullptr, 0, nullptr, nullptr); std::string utf8_string; if (target_length == 0 || target_length > utf8_string.max_size()) { return utf8_string; } utf8_string.resize(target_length); int converted_length = ::WideCharToMultiByte( CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, -1, utf8_string.data(), target_length, nullptr, nullptr); if (converted_length == 0) { return std::string(); } return utf8_string; } ================================================ FILE: example/windows/runner/utils.h ================================================ #ifndef RUNNER_UTILS_H_ #define RUNNER_UTILS_H_ #include #include // Creates a console for the process, and redirects stdout and stderr to // it for both the runner and the Flutter library. void CreateAndAttachConsole(); // Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string // encoded in UTF-8. Returns an empty std::string on failure. std::string Utf8FromUtf16(const wchar_t* utf16_string); // Gets the command line arguments passed in as a std::vector, // encoded in UTF-8. Returns an empty std::vector on failure. std::vector GetCommandLineArguments(); #endif // RUNNER_UTILS_H_ ================================================ FILE: example/windows/runner/win32_window.cpp ================================================ #include "win32_window.h" #include #include "resource.h" namespace { constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW"; // The number of Win32Window objects that currently exist. static int g_active_window_count = 0; using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd); // Scale helper to convert logical scaler values to physical using passed in // scale factor int Scale(int source, double scale_factor) { return static_cast(source * scale_factor); } // Dynamically loads the |EnableNonClientDpiScaling| from the User32 module. // This API is only needed for PerMonitor V1 awareness mode. void EnableFullDpiSupportIfAvailable(HWND hwnd) { HMODULE user32_module = LoadLibraryA("User32.dll"); if (!user32_module) { return; } auto enable_non_client_dpi_scaling = reinterpret_cast( GetProcAddress(user32_module, "EnableNonClientDpiScaling")); if (enable_non_client_dpi_scaling != nullptr) { enable_non_client_dpi_scaling(hwnd); FreeLibrary(user32_module); } } } // namespace // Manages the Win32Window's window class registration. class WindowClassRegistrar { public: ~WindowClassRegistrar() = default; // Returns the singleton registar instance. static WindowClassRegistrar* GetInstance() { if (!instance_) { instance_ = new WindowClassRegistrar(); } return instance_; } // Returns the name of the window class, registering the class if it hasn't // previously been registered. const wchar_t* GetWindowClass(); // Unregisters the window class. Should only be called if there are no // instances of the window. void UnregisterWindowClass(); private: WindowClassRegistrar() = default; static WindowClassRegistrar* instance_; bool class_registered_ = false; }; WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr; const wchar_t* WindowClassRegistrar::GetWindowClass() { if (!class_registered_) { WNDCLASS window_class{}; window_class.hCursor = LoadCursor(nullptr, IDC_ARROW); window_class.lpszClassName = kWindowClassName; window_class.style = CS_HREDRAW | CS_VREDRAW; window_class.cbClsExtra = 0; window_class.cbWndExtra = 0; window_class.hInstance = GetModuleHandle(nullptr); window_class.hIcon = LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON)); window_class.hbrBackground = 0; window_class.lpszMenuName = nullptr; window_class.lpfnWndProc = Win32Window::WndProc; RegisterClass(&window_class); class_registered_ = true; } return kWindowClassName; } void WindowClassRegistrar::UnregisterWindowClass() { UnregisterClass(kWindowClassName, nullptr); class_registered_ = false; } Win32Window::Win32Window() { ++g_active_window_count; } Win32Window::~Win32Window() { --g_active_window_count; Destroy(); } bool Win32Window::CreateAndShow(const std::wstring& title, const Point& origin, const Size& size) { Destroy(); const wchar_t* window_class = WindowClassRegistrar::GetInstance()->GetWindowClass(); const POINT target_point = {static_cast(origin.x), static_cast(origin.y)}; HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST); UINT dpi = FlutterDesktopGetDpiForMonitor(monitor); double scale_factor = dpi / 96.0; HWND window = CreateWindow( window_class, title.c_str(), WS_OVERLAPPEDWINDOW | WS_VISIBLE, Scale(origin.x, scale_factor), Scale(origin.y, scale_factor), Scale(size.width, scale_factor), Scale(size.height, scale_factor), nullptr, nullptr, GetModuleHandle(nullptr), this); if (!window) { return false; } return OnCreate(); } // static LRESULT CALLBACK Win32Window::WndProc(HWND const window, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept { if (message == WM_NCCREATE) { auto window_struct = reinterpret_cast(lparam); SetWindowLongPtr(window, GWLP_USERDATA, reinterpret_cast(window_struct->lpCreateParams)); auto that = static_cast(window_struct->lpCreateParams); EnableFullDpiSupportIfAvailable(window); that->window_handle_ = window; } else if (Win32Window* that = GetThisFromHandle(window)) { return that->MessageHandler(window, message, wparam, lparam); } return DefWindowProc(window, message, wparam, lparam); } LRESULT Win32Window::MessageHandler(HWND hwnd, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept { switch (message) { case WM_DESTROY: window_handle_ = nullptr; Destroy(); if (quit_on_close_) { PostQuitMessage(0); } return 0; case WM_DPICHANGED: { auto newRectSize = reinterpret_cast(lparam); LONG newWidth = newRectSize->right - newRectSize->left; LONG newHeight = newRectSize->bottom - newRectSize->top; SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth, newHeight, SWP_NOZORDER | SWP_NOACTIVATE); return 0; } case WM_SIZE: { RECT rect = GetClientArea(); if (child_content_ != nullptr) { // Size and position the child window. MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, TRUE); } return 0; } case WM_ACTIVATE: if (child_content_ != nullptr) { SetFocus(child_content_); } return 0; } return DefWindowProc(window_handle_, message, wparam, lparam); } void Win32Window::Destroy() { OnDestroy(); if (window_handle_) { DestroyWindow(window_handle_); window_handle_ = nullptr; } if (g_active_window_count == 0) { WindowClassRegistrar::GetInstance()->UnregisterWindowClass(); } } Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept { return reinterpret_cast( GetWindowLongPtr(window, GWLP_USERDATA)); } void Win32Window::SetChildContent(HWND content) { child_content_ = content; SetParent(content, window_handle_); RECT frame = GetClientArea(); MoveWindow(content, frame.left, frame.top, frame.right - frame.left, frame.bottom - frame.top, true); SetFocus(child_content_); } RECT Win32Window::GetClientArea() { RECT frame; GetClientRect(window_handle_, &frame); return frame; } HWND Win32Window::GetHandle() { return window_handle_; } void Win32Window::SetQuitOnClose(bool quit_on_close) { quit_on_close_ = quit_on_close; } bool Win32Window::OnCreate() { // No-op; provided for subclasses. return true; } void Win32Window::OnDestroy() { // No-op; provided for subclasses. } ================================================ FILE: example/windows/runner/win32_window.h ================================================ #ifndef RUNNER_WIN32_WINDOW_H_ #define RUNNER_WIN32_WINDOW_H_ #include #include #include #include // A class abstraction for a high DPI-aware Win32 Window. Intended to be // inherited from by classes that wish to specialize with custom // rendering and input handling class Win32Window { public: struct Point { unsigned int x; unsigned int y; Point(unsigned int x, unsigned int y) : x(x), y(y) {} }; struct Size { unsigned int width; unsigned int height; Size(unsigned int width, unsigned int height) : width(width), height(height) {} }; Win32Window(); virtual ~Win32Window(); // Creates and shows a win32 window with |title| and position and size using // |origin| and |size|. New windows are created on the default monitor. Window // sizes are specified to the OS in physical pixels, hence to ensure a // consistent size to will treat the width height passed in to this function // as logical pixels and scale to appropriate for the default monitor. Returns // true if the window was created successfully. bool CreateAndShow(const std::wstring& title, const Point& origin, const Size& size); // Release OS resources associated with window. void Destroy(); // Inserts |content| into the window tree. void SetChildContent(HWND content); // Returns the backing Window handle to enable clients to set icon and other // window properties. Returns nullptr if the window has been destroyed. HWND GetHandle(); // If true, closing this window will quit the application. void SetQuitOnClose(bool quit_on_close); // Return a RECT representing the bounds of the current client area. RECT GetClientArea(); protected: // Processes and route salient window messages for mouse handling, // size change and DPI. Delegates handling of these to member overloads that // inheriting classes can handle. virtual LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept; // Called when CreateAndShow is called, allowing subclass window-related // setup. Subclasses should return false if setup fails. virtual bool OnCreate(); // Called when Destroy is called. virtual void OnDestroy(); private: friend class WindowClassRegistrar; // OS callback called by message pump. Handles the WM_NCCREATE message which // is passed when the non-client area is being created and enables automatic // non-client DPI scaling so that the non-client area automatically // responsponds to changes in DPI. All other messages are handled by // MessageHandler. static LRESULT CALLBACK WndProc(HWND const window, UINT const message, WPARAM const wparam, LPARAM const lparam) noexcept; // Retrieves a class instance pointer for |window| static Win32Window* GetThisFromHandle(HWND const window) noexcept; bool quit_on_close_ = false; // window handle for top level window. HWND window_handle_ = nullptr; // window handle for hosted content. HWND child_content_ = nullptr; }; #endif // RUNNER_WIN32_WINDOW_H_ ================================================ FILE: lib/pie_chart.dart ================================================ library pie_chart; export 'src/chart_values_options.dart'; export 'src/legend_options.dart'; export 'src/degree_options.dart'; export 'src/pie_chart.dart'; export 'src/utils.dart' hide defaultColorList; ================================================ FILE: lib/src/chart_painter.dart ================================================ import 'dart:math' as math; import 'package:flutter/material.dart'; import 'package:pie_chart/pie_chart.dart'; const doublePi = math.pi * 2; class PieChartPainter extends CustomPainter { final List _paintList = []; late List _subParts; double _total = 0; double _totalAngle = doublePi; final TextStyle? chartValueStyle; final Color? chartValueBackgroundColor; final bool? showValuesInPercentage; final bool showChartValues; final bool showChartValuesOutside; final int? decimalPlaces; final bool? showChartValueLabel; final ChartType? chartType; final String? centerText; final TextStyle? centerTextStyle; final String Function(double value)? formatChartValues; final double? strokeWidth; final Color? emptyColor; final List>? gradientList; final List? emptyColorGradient; final DegreeOptions degreeOptions; final Color baseChartColor; final double? totalValue; late double _prevAngle; double get drawPercentage => degreeOptions.totalDegrees / fullDegree; PieChartPainter( double angleFactor, this.showChartValues, this.showChartValuesOutside, List colorList, { this.chartValueStyle, this.chartValueBackgroundColor, required List values, List? titles, this.showValuesInPercentage, this.decimalPlaces, this.showChartValueLabel, this.chartType, this.centerText, this.centerTextStyle, this.formatChartValues, this.strokeWidth, this.emptyColor, this.gradientList, this.emptyColorGradient, this.degreeOptions = const DegreeOptions(), required this.baseChartColor, this.totalValue, }) { // set total value if (totalValue == null) { _total = values.fold(0, (v1, v2) => v1 + v2); } else { _total = totalValue!; } if (gradientList?.isEmpty ?? true) { for (int i = 0; i < values.length; i++) { final paint = Paint()..color = getColor(colorList, i); setPaintProps(paint); _paintList.add(paint); } } _totalAngle = angleFactor * doublePi * drawPercentage; _subParts = values; _prevAngle = degreeToRadian(degreeOptions.initialAngle); } double degreeToRadian(double degree) => degree * math.pi / 180; void setPaintProps(Paint p) { if (chartType == ChartType.ring) { p.style = PaintingStyle.stroke; p.strokeWidth = strokeWidth!; } } @override void paint(Canvas canvas, Size size) { final side = math.min(size.width, size.height); // if it is a full circle, then we set the left to 0 and it works just fine, however, // when it is half a circle for example, we want to start from the left, so we set the // left to half the width of the canvas to let it start exactly from the left. // // this is not a precise calculation, should be more generalized later // e.g. (-90, 91) should start from the left final left = degreeOptions.initialAngle >= -90 && degreeOptions.totalDegrees <= 180 ? -size.width / 2 : 0.0; const top = 0.0; final Rect boundingSquare = Rect.fromLTWH(left, top, side, size.height); final useCenter = chartType == ChartType.disc ? true : false; // draw base pie chart final paintBase = Paint()..color = baseChartColor; setPaintProps(paintBase); canvas.drawArc( boundingSquare, 0, doublePi, useCenter, paintBase, ); // if values total is 0, then draw empty chart if (_total == 0) { final paint = Paint()..color = emptyColor!; setPaintProps(paint); canvas.drawArc( boundingSquare, _prevAngle, degreeToRadian(degreeOptions.totalDegrees), useCenter, paint, ); } else { final isGradientPresent = gradientList?.isNotEmpty ?? false; final isNonGradientElementPresent = (_subParts.length - (gradientList?.length ?? 0)) > 0; for (int i = 0; i < _subParts.length; i++) { if (isGradientPresent) { final endAngle = (((_totalAngle) / _total) * _subParts[i]); final paint = Paint(); final normalizedPrevAngle = (_prevAngle - 0.15) % doublePi; final normalizedEndAngle = (endAngle + 0.15) % doublePi; final Gradient gradient = SweepGradient( transform: GradientRotation(normalizedPrevAngle), endAngle: normalizedEndAngle, colors: getGradient(gradientList!, i, isNonGradientElementPresent: isNonGradientElementPresent, emptyColorGradient: emptyColorGradient!), ); paint.shader = gradient.createShader(boundingSquare); if (chartType == ChartType.ring) { paint.style = PaintingStyle.stroke; paint.strokeWidth = strokeWidth!; paint.strokeCap = StrokeCap.butt; } canvas.drawArc( boundingSquare, _prevAngle, endAngle, useCenter, paint, ); } else { canvas.drawArc( boundingSquare, _prevAngle, ((_totalAngle / _total) * _subParts[i]), useCenter, _paintList[i], ); } final radius = showChartValuesOutside ? (side / 2) + 16 : side / 3; final radians = _prevAngle + (((_totalAngle / _total) * _subParts[i]) / 2); final x = (radius) * math.cos(radians); final y = (radius) * math.sin(radians); if (_subParts.elementAt(i) > 0) { final value = formatChartValues != null ? formatChartValues!(_subParts.elementAt(i)) : _subParts.elementAt(i).toStringAsFixed(decimalPlaces!); if (showChartValues) { final name = showValuesInPercentage == true ? formatChartValues != null ? ('${formatChartValues!((_subParts.elementAt(i) / _total) * 100)}%') : ('${((_subParts.elementAt(i) / _total) * 100).toStringAsFixed(decimalPlaces!)}%') : value; _drawName(canvas, name, x, y, side); } } _prevAngle = _prevAngle + (((_totalAngle) / _total) * _subParts[i]); } } if (centerText != null && centerText!.trim().isNotEmpty) { _drawCenterText(canvas, side); } } void _drawCenterText(Canvas canvas, double side) { _drawName(canvas, centerText, 0, 0, side, style: centerTextStyle); } void _drawName( Canvas canvas, String? name, double x, double y, double side, { TextStyle? style, }) { final span = TextSpan( style: style ?? chartValueStyle, text: name, ); TextPainter tp = TextPainter( text: span, textAlign: TextAlign.center, textDirection: TextDirection.ltr, ); tp.layout(); if (showChartValueLabel!) { //Draw text background box final rect = Rect.fromCenter( center: Offset((side / 2 + x), (side / 2 + y)), width: tp.width + 6, height: tp.height + 4, ); final rRect = RRect.fromRectAndRadius(rect, const Radius.circular(4)); final paint = Paint() ..color = chartValueBackgroundColor ?? Colors.grey[200]! ..style = PaintingStyle.fill; canvas.drawRRect(rRect, paint); } //Finally paint the text above box tp.paint( canvas, Offset( (side / 2 + x) - (tp.width / 2), (side / 2 + y) - (tp.height / 2), ), ); } @override bool shouldRepaint(PieChartPainter oldDelegate) => oldDelegate._totalAngle != _totalAngle; } ================================================ FILE: lib/src/chart_values_options.dart ================================================ import 'package:flutter/material.dart'; import 'package:pie_chart/pie_chart.dart'; import 'package:pie_chart/src/utils.dart'; class ChartValuesOptions { final bool showChartValueBackground; final int decimalPlaces; final bool showChartValuesInPercentage; final bool showChartValues; final bool showChartValuesOutside; final Color? chartValueBackgroundColor; final TextStyle chartValueStyle; const ChartValuesOptions({ this.showChartValueBackground = true, this.decimalPlaces = 1, this.chartValueBackgroundColor, this.showChartValuesInPercentage = false, this.chartValueStyle = defaultChartValueStyle, this.showChartValues = true, this.showChartValuesOutside = false, }); } ================================================ FILE: lib/src/degree_options.dart ================================================ const double fullDegree = 360.0; class DegreeOptions { final double totalDegrees; final double initialAngle; const DegreeOptions({ this.totalDegrees = 360, this.initialAngle = 0, }) : assert(totalDegrees >= 0 && totalDegrees <= fullDegree), assert(initialAngle >= -fullDegree && initialAngle <= fullDegree); DegreeOptions copyWith({ double? totalDegrees, double? initialAngle, }) { return DegreeOptions( totalDegrees: totalDegrees ?? this.totalDegrees, initialAngle: initialAngle ?? this.initialAngle, ); } } ================================================ FILE: lib/src/legend.dart ================================================ import 'package:flutter/material.dart'; class Legend extends StatelessWidget { const Legend({ required this.title, required this.color, required this.style, required this.legendShape, Key? key, }) : super(key: key); final String title; final Color color; final TextStyle style; final BoxShape legendShape; @override Widget build(BuildContext context) { return Row( mainAxisAlignment: MainAxisAlignment.start, mainAxisSize: MainAxisSize.min, children: [ Container( margin: const EdgeInsets.symmetric(vertical: 2.0), height: 20.0, width: 18.0, decoration: BoxDecoration( shape: legendShape, color: color, ), ), const SizedBox( width: 8.0, ), Flexible( fit: FlexFit.loose, child: Text( title, style: style, softWrap: true, ), ), const SizedBox( width: 8.0, ), ], ); } } ================================================ FILE: lib/src/legend_options.dart ================================================ import 'package:flutter/material.dart'; import 'package:pie_chart/pie_chart.dart'; class LegendOptions { final bool showLegends; final bool showLegendsInRow; final TextStyle legendTextStyle; final BoxShape legendShape; final LegendPosition legendPosition; final Map legendLabels; const LegendOptions({ this.showLegends = true, this.showLegendsInRow = false, this.legendTextStyle = defaultLegendStyle, this.legendShape = BoxShape.circle, this.legendPosition = LegendPosition.right, this.legendLabels = const {}, }); } ================================================ FILE: lib/src/pie_chart.dart ================================================ import 'package:flutter/material.dart'; import 'package:pie_chart/pie_chart.dart'; import 'chart_painter.dart'; import 'legend.dart'; import 'utils.dart'; enum LegendPosition { top, bottom, left, right } enum ChartType { disc, ring } class PieChart extends StatefulWidget { const PieChart({ required this.dataMap, this.chartType = ChartType.disc, this.chartRadius, this.animationDuration, this.chartLegendSpacing = 48, this.colorList = defaultColorList, this.initialAngleInDegree, this.formatChartValues, this.centerText, this.centerWidget, this.centerTextStyle, this.ringStrokeWidth = 20.0, this.legendOptions = const LegendOptions(), this.chartValuesOptions = const ChartValuesOptions(), this.emptyColor = Colors.grey, this.gradientList, this.emptyColorGradient = const [Colors.black26, Colors.black54], this.legendLabels = const {}, Key? key, this.degreeOptions = const DegreeOptions(), this.baseChartColor = Colors.transparent, this.totalValue, }) : super(key: key); final Map dataMap; final ChartType chartType; final double? chartRadius; final Duration? animationDuration; final double chartLegendSpacing; final List colorList; final List>? gradientList; @Deprecated('use degreeOptions instead') final double? initialAngleInDegree; final String Function(double value)? formatChartValues; @Deprecated('use centerWidget instead') final String? centerText; final Widget? centerWidget; final TextStyle? centerTextStyle; final double ringStrokeWidth; final LegendOptions legendOptions; final ChartValuesOptions chartValuesOptions; final Color emptyColor; final List emptyColorGradient; final DegreeOptions degreeOptions; final Map legendLabels; final Color baseChartColor; final double? totalValue; @override // ignore: library_private_types_in_public_api _PieChartState createState() => _PieChartState(); } class _PieChartState extends State with SingleTickerProviderStateMixin { late Animation animation; AnimationController? controller; double _animFraction = 0.0; List? legendTitles; late List legendValues; void initLegends() { final List legendLabelList = widget.dataMap.keys.toList(growable: false); legendTitles = legendLabelList .map((label) => widget.legendLabels[label] ?? label) .toList(growable: false); } void initValues() { legendValues = widget.dataMap.values.toList(growable: false); } void initData() { assert( widget.dataMap.isNotEmpty, "dataMap passed to pie chart cant be null or empty", ); initLegends(); initValues(); } @override void initState() { super.initState(); initData(); controller = AnimationController( duration: widget.animationDuration ?? const Duration(milliseconds: 800), vsync: this, ); final Animation curve = CurvedAnimation( parent: controller!, curve: Curves.decelerate, ); animation = Tween(begin: 0, end: 1).animate(curve as Animation) ..addListener(() { setState(() { _animFraction = animation.value; }); }); controller!.forward(); } Widget _getChart() { return Flexible( child: LayoutBuilder( builder: (_, c) => SizedBox( height: widget.chartRadius != null ? c.maxWidth < widget.chartRadius! ? c.maxWidth : widget.chartRadius : null, child: Stack( alignment: Alignment.center, children: [ CustomPaint( painter: PieChartPainter( _animFraction, widget.chartValuesOptions.showChartValues, widget.chartValuesOptions.showChartValuesOutside, widget.colorList, chartValueStyle: widget.chartValuesOptions.chartValueStyle, chartValueBackgroundColor: widget.chartValuesOptions.chartValueBackgroundColor, values: legendValues, titles: legendTitles, showValuesInPercentage: widget.chartValuesOptions.showChartValuesInPercentage, decimalPlaces: widget.chartValuesOptions.decimalPlaces, showChartValueLabel: widget.chartValuesOptions.showChartValueBackground, chartType: widget.chartType, centerText: widget.centerText, centerTextStyle: widget.centerTextStyle, formatChartValues: widget.formatChartValues, strokeWidth: widget.ringStrokeWidth, emptyColor: widget.emptyColor, gradientList: widget.gradientList, emptyColorGradient: widget.emptyColorGradient, degreeOptions: widget.degreeOptions.copyWith( // because we've deprecated initialAngleInDegree, // we want the old value to be used if it's not null // ignore: deprecated_member_use_from_same_package initialAngle: widget.initialAngleInDegree, ), baseChartColor: widget.baseChartColor, totalValue: widget.totalValue), child: const AspectRatio(aspectRatio: 1), ), if (widget.centerWidget != null) widget.centerWidget! ], ), ), ), ); } Widget _getPieChart() { switch (widget.legendOptions.legendPosition) { case LegendPosition.top: return Column( mainAxisSize: MainAxisSize.min, children: [ _getLegend( padding: EdgeInsets.only( bottom: widget.chartLegendSpacing, ), ), _getChart(), ], ); case LegendPosition.bottom: return Column( mainAxisSize: MainAxisSize.min, children: [ _getChart(), _getLegend( padding: EdgeInsets.only( top: widget.chartLegendSpacing, ), ), ], ); case LegendPosition.left: return Row( mainAxisSize: MainAxisSize.min, children: [ _getLegend( padding: EdgeInsets.only( right: widget.chartLegendSpacing, ), ), _getChart(), ], ); case LegendPosition.right: return Row( mainAxisSize: MainAxisSize.min, children: [ _getChart(), _getLegend( padding: EdgeInsets.only( left: widget.chartLegendSpacing, ), ), ], ); default: return Row( mainAxisSize: MainAxisSize.min, children: [ _getChart(), _getLegend( padding: EdgeInsets.only( left: widget.chartLegendSpacing, ), ), ], ); } } _getLegend({EdgeInsets? padding}) { if (widget.legendOptions.showLegends) { final isGradientPresent = widget.gradientList?.isNotEmpty ?? false; final isNonGradientElementPresent = (widget.dataMap.length - (widget.gradientList?.length ?? 0)) > 0; return Padding( padding: padding!, child: Wrap( direction: widget.legendOptions.showLegendsInRow ? Axis.horizontal : Axis.vertical, runSpacing: 8, crossAxisAlignment: WrapCrossAlignment.start, children: legendTitles! .map( (item) => Legend( title: item, color: isGradientPresent ? getGradient( widget.gradientList!, legendTitles!.indexOf(item), isNonGradientElementPresent: isNonGradientElementPresent, emptyColorGradient: widget.emptyColorGradient)[0] : getColor( widget.colorList, legendTitles!.indexOf(item), ), style: widget.legendOptions.legendTextStyle, legendShape: widget.legendOptions.legendShape, ), ) .toList(), ), ); } else { return const SizedBox( height: 0, width: 0, ); } } @override Widget build(BuildContext context) { return Container( alignment: Alignment.center, padding: const EdgeInsets.all(8.0), child: _getPieChart(), ); } @override void didUpdateWidget(PieChart oldWidget) { initData(); super.didUpdateWidget(oldWidget); } @override void dispose() { controller?.dispose(); super.dispose(); } } ================================================ FILE: lib/src/utils.dart ================================================ import 'package:flutter/material.dart'; const defaultChartValueStyle = TextStyle( fontSize: 12, fontWeight: FontWeight.bold, color: Colors.black, ); const defaultLegendStyle = TextStyle( fontSize: 12, fontWeight: FontWeight.bold, ); const List defaultColorList = [ Color(0xFFff7675), Color(0xFF74b9ff), Color(0xFF55efc4), Color(0xFFffeaa7), Color(0xFFa29bfe), Color(0xFFfd79a8), Color(0xFFe17055), Color(0xFF00b894), ]; Color getColor(List colorList, int index) { if (index > (colorList.length - 1)) { final newIndex = index % (colorList.length - 1); return colorList.elementAt(newIndex); } return colorList.elementAt(index); } List getGradient(List> gradientList, int index, {required bool isNonGradientElementPresent, required List emptyColorGradient}) { index = isNonGradientElementPresent ? index - 1 : index; if (index == -1) { return emptyColorGradient; } else if (index > (gradientList.length - 1)) { final newIndex = index % gradientList.length; return gradientList.elementAt(newIndex); } return gradientList.elementAt(index); } ================================================ FILE: pubspec.yaml ================================================ name: pie_chart description: A Flutter package for creating beautiful Pie Charts with awesome animation. version: 5.4.0 homepage: https://github.com/apgapg/pie_chart environment: sdk: '>=2.12.0 <4.0.0' dependencies: flutter: sdk: flutter dev_dependencies: flutter_test: sdk: flutter # The "flutter_lints" package below contains a set of recommended lints to # encourage good coding practices. The lint set provided by the package is # activated in the `analysis_options.yaml` file located at the root of your # package. See that file for information about deactivating specific lint # rules and activating additional ones. flutter_lints: ^2.0.1 # For information on the generic Dart part of this file, see the # following page: https://www.dartlang.org/tools/pub/pubspec # The following section is specific to Flutter. flutter: # To add assets to your package, add an assets section, like this: # assets: # - images/a_dot_burr.jpeg # - images/a_dot_ham.jpeg # # For details regarding assets in packages, see # https://flutter.io/assets-and-images/#from-packages # # An image asset can refer to one or more resolution-specific "variants", see # https://flutter.io/assets-and-images/#resolution-aware. # To add custom fonts to your package, add a fonts section here, # in this "flutter" section. Each entry in this list should have a # "family" key with the font family name, and a "fonts" key with a # list giving the asset and other descriptors for the font. For # example: # fonts: # - family: Schyler # fonts: # - asset: fonts/Schyler-Regular.ttf # - asset: fonts/Schyler-Italic.ttf # style: italic # - family: Trajan Pro # fonts: # - asset: fonts/TrajanPro.ttf # - asset: fonts/TrajanPro_Bold.ttf # weight: 700 # # For details regarding fonts in packages, see # https://flutter.io/custom-fonts/#from-packages ================================================ FILE: test/pie_chart_test.dart ================================================ import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:pie_chart/pie_chart.dart'; import 'package:pie_chart/src/chart_painter.dart'; import 'package:pie_chart/src/legend.dart'; void main() { final dataMap = {}; dataMap.putIfAbsent("Flutter", () => 5); dataMap.putIfAbsent("React", () => 3); dataMap.putIfAbsent("Xamarin", () => 2); dataMap.putIfAbsent("Ionic", () => 2); testWidgets('Chart is present', (WidgetTester tester) async { await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, ), ), ), )); expect( find.byWidgetPredicate( (Widget widget) => widget is CustomPaint && widget.painter is PieChartPainter, ), findsOneWidget, ); }); group("Legend(s) visibility test", () { testWidgets('Legend(s) is visible', (WidgetTester tester) async { await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, ), ), ), )); expect( find.byType(Legend), findsWidgets, ); }); testWidgets('Legend(s) number is correct', (WidgetTester tester) async { await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, ), ), ), )); expect( find.byType(Legend), findsNWidgets(dataMap.length), ); }); testWidgets('Legend(s) is hidden', (WidgetTester tester) async { await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, legendOptions: const LegendOptions(showLegends: false), ), ), ), )); expect( find.byType(Legend), findsNothing, ); }); }); testWidgets('Chart Data is correct', (WidgetTester tester) async { final falseDataMap = {}; falseDataMap.putIfAbsent("Flutter", () => 5); falseDataMap.putIfAbsent("React", () => 3); falseDataMap.putIfAbsent("Xamarin", () => 2); falseDataMap.putIfAbsent("Ionic", () => 2); expectLater( () async { await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: falseDataMap as Map, ), ), ), )); }, throwsA(anything), ); }); test("Test color return when index is greater than color list", () { final List colorList = [ const Color(0xFFff7675), const Color(0xFF74b9ff), const Color(0xFF55efc4), const Color(0xFFffeaa7), ]; expect( getColor(colorList, 5).runtimeType, Color, ); }); group("Custom legend label test", () { testWidgets('Test custom labels are shown', (WidgetTester tester) async { final legendLabel = {}; legendLabel.putIfAbsent('Flutter', () => 'Flutter legend'); legendLabel.putIfAbsent('React', () => 'React legend'); legendLabel.putIfAbsent('Xamarin', () => 'Xamarin legend'); legendLabel.putIfAbsent('Ionic', () => 'Ionic legend'); await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, legendLabels: legendLabel, ), ), ), )); expect( find.text('Flutter legend'), findsOneWidget, ); expect( find.text('React legend'), findsOneWidget, ); expect( find.text('Xamarin legend'), findsOneWidget, ); expect( find.text('Ionic legend'), findsOneWidget, ); }); testWidgets('Test if label fallback to data map value if not in legendLabels', (WidgetTester tester) async { final legendLabel = {}; legendLabel.putIfAbsent('Flutter', () => 'Flutter legend'); await tester.pumpWidget(MaterialApp( home: Scaffold( body: Center( child: PieChart( dataMap: dataMap, legendLabels: legendLabel, ), ), ), )); expect( find.text('Flutter legend'), findsOneWidget, ); expect( find.text('React'), findsOneWidget, ); expect( find.text('Xamarin'), findsOneWidget, ); expect( find.text('Ionic'), findsOneWidget, ); }); }); }