├── README.md └── flutter_k_chart-master ├── .gitignore ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── example ├── .gitignore ├── .metadata ├── README.md ├── android │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── java │ │ │ │ └── com │ │ │ │ │ └── example │ │ │ │ │ └── example │ │ │ │ │ └── MainActivity.java │ │ │ └── res │ │ │ │ ├── drawable │ │ │ │ └── launch_background.xml │ │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ └── values │ │ │ │ └── styles.xml │ │ │ └── profile │ │ │ └── AndroidManifest.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── assets │ ├── depth.json │ ├── kline.json │ └── kmon.json ├── images │ ├── depth.2019-09-01 2010_21_31.gif │ ├── k_chart.2019-09-01 2010_19_56.gif │ └── screenshots.png ├── ios │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ ├── Release.xcconfig │ │ └── flutter_export_environment.sh │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ └── IDEWorkspaceChecks.plist │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── WorkspaceSettings.xcsettings │ └── Runner │ │ ├── AppDelegate.h │ │ ├── AppDelegate.m │ │ ├── Assets.xcassets │ │ ├── AppIcon.appiconset │ │ │ ├── Contents.json │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ ├── Icon-App-20x20@1x.png │ │ │ ├── Icon-App-20x20@2x.png │ │ │ ├── Icon-App-20x20@3x.png │ │ │ ├── Icon-App-29x29@1x.png │ │ │ ├── Icon-App-29x29@2x.png │ │ │ ├── Icon-App-29x29@3x.png │ │ │ ├── Icon-App-40x40@1x.png │ │ │ ├── Icon-App-40x40@2x.png │ │ │ ├── Icon-App-40x40@3x.png │ │ │ ├── Icon-App-60x60@2x.png │ │ │ ├── Icon-App-60x60@3x.png │ │ │ ├── Icon-App-76x76@1x.png │ │ │ ├── Icon-App-76x76@2x.png │ │ │ └── Icon-App-83.5x83.5@2x.png │ │ └── LaunchImage.imageset │ │ │ ├── Contents.json │ │ │ ├── LaunchImage.png │ │ │ ├── LaunchImage@2x.png │ │ │ ├── LaunchImage@3x.png │ │ │ └── README.md │ │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ │ ├── Info.plist │ │ └── main.m ├── lib │ └── main.dart ├── pubspec.lock ├── pubspec.yaml └── test │ └── widget_test.dart ├── k_chart.apk ├── lib ├── chart_style.dart ├── depth_chart.dart ├── entity │ ├── candle_entity.dart │ ├── depth_entity.dart │ ├── info_window_entity.dart │ ├── k_entity.dart │ ├── k_line_entity.dart │ ├── kdj_entity.dart │ ├── macd_entity.dart │ ├── rsi_entity.dart │ ├── rw_entity.dart │ └── volume_entity.dart ├── flutter_k_chart.dart ├── generated │ └── i18n.dart ├── k_chart_widget.dart ├── renderer │ ├── base_chart_painter.dart │ ├── base_chart_renderer.dart │ ├── chart_painter.dart │ ├── main_renderer.dart │ ├── secondary_renderer.dart │ └── vol_renderer.dart └── utils │ ├── data_util.dart │ ├── date_format_util.dart │ └── number_util.dart ├── pubspec.lock ├── pubspec.yaml ├── res └── values │ └── strings_en.arb └── test └── flutter_k_chart_test.dart /README.md: -------------------------------------------------------------------------------- 1 | # flutter_k_chart 2 | 3 | [![License](https://img.shields.io/badge/license-MIT-green.svg)](/LICENSE) 4 | 5 | ## 介绍 6 | 一个仿火币的flutter图表库包含深度图，支持各种指标及放大缩小、平移等操作 7 | 8 | Demo v0.1.0：[下载 APK](https://github.com/bianxiang/flutter_kline/blob/master/flutter_k_chart-master/k_chart.apk?raw=true) 9 | 10 | ## 演示 11 | ![chart_imge](https://github.com/bianxiang/flutter_kline/blob/master/flutter_k_chart-master/example/images/k_chart.2019-09-01%202010_19_56.gif) 12 | ![depth_image](https://github.com/bianxiang/flutter_kline/blob/master/flutter_k_chart-master/example/images/depth.2019-09-01%202010_21_31.gif) 13 | ![image1](https://github.com/bianxiang/flutter_kline/blob/master/flutter_k_chart-master/example/images/screenshots.png) 14 | 15 | ## 简单用例 16 | #### 1.在 pubspec.yaml 中添加依赖 17 | 本项目数据来自火币openApi，火币的接口可能需要翻墙，接口失败后会加载本地json。由于项目没有很好的封装，建议使用本地方式使用 18 | ```yaml 19 | //本地导入方式 20 | dependencies: 21 | flutter_k_chart: 22 | path: 项目路径 23 | ``` 24 | 25 | #### 2.在布局文件中添加 26 | ```dart 27 | import 'package:flutter_k_chart/flutter_k_chart.dart'; 28 | .... 29 | Container( 30 | height: 450, 31 | width: double.infinity, 32 | child: KChartWidget( 33 | datas,//数据 34 | isLine: isLine,//是否显示折线图 35 | mainState: _mainState,//控制主视图指标线 36 | secondaryState: _secondaryState,//控制副视图指标线 37 | volState: VolState.VOL,//控制成交量指标线 38 | fractionDigits: 4,//保留小数位数 39 | ), 40 | ) 41 | 42 | //深度图使用 43 | Container( 44 | height: 230, 45 | width: double.infinity, 46 | child: DepthChart(_bids, _asks), 47 | ) 48 | ``` 49 | ### 3.修改样式 50 | 可在chart_style.dart里面修改图表样式 51 | 52 | #### 4.数据处理 53 | ```dart 54 | //接口获取数据后，计算数据 55 | DataUtil.calculate(datas); 56 | //更新最后一条数据 57 | DataUtil.updateLastData(datas); 58 | //添加数据 59 | DataUtil.addLastData(datas,kLineEntity); 60 | ``` 61 | 62 | ## 问题 63 | 使用中如果有问题可以加QQ群：160603792 64 | -------------------------------------------------------------------------------- /flutter_k_chart-master/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # Visual Studio Code related 19 | .vscode/ 20 | 21 | # Flutter/Dart/Pub related 22 | **/doc/api/ 23 | .dart_tool/ 24 | .flutter-plugins 25 | .packages 26 | .pub-cache/ 27 | .pub/ 28 | build/ 29 | 30 | # Android related 31 | **/android/**/gradle-wrapper.jar 32 | **/android/.gradle 33 | **/android/captures/ 34 | **/android/gradlew 35 | **/android/gradlew.bat 36 | **/android/local.properties 37 | **/android/**/GeneratedPluginRegistrant.java 38 | 39 | # iOS/XCode related 40 | **/ios/**/*.mode1v3 41 | **/ios/**/*.mode2v3 42 | **/ios/**/*.moved-aside 43 | **/ios/**/*.pbxuser 44 | **/ios/**/*.perspectivev3 45 | **/ios/**/*sync/ 46 | **/ios/**/.sconsign.dblite 47 | **/ios/**/.tags* 48 | **/ios/**/.vagrant/ 49 | **/ios/**/DerivedData/ 50 | **/ios/**/Icon? 51 | **/ios/**/Pods/ 52 | **/ios/**/.symlinks/ 53 | **/ios/**/profile 54 | **/ios/**/xcuserdata 55 | **/ios/.generated/ 56 | **/ios/Flutter/App.framework 57 | **/ios/Flutter/Flutter.framework 58 | **/ios/Flutter/Generated.xcconfig 59 | **/ios/Flutter/app.flx 60 | **/ios/Flutter/app.zip 61 | **/ios/Flutter/flutter_assets/ 62 | **/ios/ServiceDefinitions.json 63 | **/ios/Runner/GeneratedPluginRegistrant.* 64 | 65 | # Exceptions to above rules. 66 | !**/ios/**/default.mode1v3 67 | !**/ios/**/default.mode2v3 68 | !**/ios/**/default.pbxuser 69 | !**/ios/**/default.perspectivev3 70 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 71 | -------------------------------------------------------------------------------- /flutter_k_chart-master/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 7a4c33425ddd78c54aba07d86f3f9a4a0051769b 8 | channel: unknown 9 | 10 | project_type: package 11 | -------------------------------------------------------------------------------- /flutter_k_chart-master/CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## [0.1.0] - TODO: Add release date. 2 | 3 | * TODO: Describe initial release. 4 | -------------------------------------------------------------------------------- /flutter_k_chart-master/LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 gwh 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # Visual Studio Code related 19 | .vscode/ 20 | 21 | # Flutter/Dart/Pub related 22 | **/doc/api/ 23 | .dart_tool/ 24 | .flutter-plugins 25 | .packages 26 | .pub-cache/ 27 | .pub/ 28 | /build/ 29 | 30 | # Android related 31 | **/android/**/gradle-wrapper.jar 32 | **/android/.gradle 33 | **/android/captures/ 34 | **/android/gradlew 35 | **/android/gradlew.bat 36 | **/android/local.properties 37 | **/android/**/GeneratedPluginRegistrant.java 38 | 39 | # iOS/XCode related 40 | **/ios/**/*.mode1v3 41 | **/ios/**/*.mode2v3 42 | **/ios/**/*.moved-aside 43 | **/ios/**/*.pbxuser 44 | **/ios/**/*.perspectivev3 45 | **/ios/**/*sync/ 46 | **/ios/**/.sconsign.dblite 47 | **/ios/**/.tags* 48 | **/ios/**/.vagrant/ 49 | **/ios/**/DerivedData/ 50 | **/ios/**/Icon? 51 | **/ios/**/Pods/ 52 | **/ios/**/.symlinks/ 53 | **/ios/**/profile 54 | **/ios/**/xcuserdata 55 | **/ios/.generated/ 56 | **/ios/Flutter/App.framework 57 | **/ios/Flutter/Flutter.framework 58 | **/ios/Flutter/Generated.xcconfig 59 | **/ios/Flutter/app.flx 60 | **/ios/Flutter/app.zip 61 | **/ios/Flutter/flutter_assets/ 62 | **/ios/ServiceDefinitions.json 63 | **/ios/Runner/GeneratedPluginRegistrant.* 64 | 65 | # Exceptions to above rules. 66 | !**/ios/**/default.mode1v3 67 | !**/ios/**/default.mode2v3 68 | !**/ios/**/default.pbxuser 69 | !**/ios/**/default.perspectivev3 70 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 71 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 7a4c33425ddd78c54aba07d86f3f9a4a0051769b 8 | channel: unknown 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/README.md: -------------------------------------------------------------------------------- 1 | # example 2 | 3 | A new Flutter project. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 26 | 27 | android { 28 | compileSdkVersion 28 29 | 30 | lintOptions { 31 | disable 'InvalidPackage' 32 | } 33 | 34 | defaultConfig { 35 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 36 | applicationId "com.example.example" 37 | minSdkVersion 16 38 | targetSdkVersion 28 39 | versionCode flutterVersionCode.toInteger() 40 | versionName flutterVersionName 41 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 42 | } 43 | 44 | buildTypes { 45 | release { 46 | // TODO: Add your own signing config for the release build. 47 | // Signing with the debug keys for now, so `flutter run --release` works. 48 | signingConfig signingConfigs.debug 49 | } 50 | } 51 | } 52 | 53 | flutter { 54 | source '../..' 55 | } 56 | 57 | dependencies { 58 | testImplementation 'junit:junit:4.12' 59 | androidTestImplementation 'com.android.support.test:runner:1.0.2' 60 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' 61 | } 62 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 9 | 13 | 20 | 24 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/java/com/example/example/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.example.example; 2 | 3 | import android.os.Bundle; 4 | import io.flutter.app.FlutterActivity; 5 | import io.flutter.plugins.GeneratedPluginRegistrant; 6 | 7 | public class MainActivity extends FlutterActivity { 8 | @Override 9 | protected void onCreate(Bundle savedInstanceState) { 10 | super.onCreate(savedInstanceState); 11 | GeneratedPluginRegistrant.registerWith(this); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 8 | 9 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | repositories { 3 | google() 4 | jcenter() 5 | } 6 | 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:3.2.1' 9 | } 10 | } 11 | 12 | allprojects { 13 | repositories { 14 | google() 15 | jcenter() 16 | } 17 | } 18 | 19 | rootProject.buildDir = '../build' 20 | subprojects { 21 | project.buildDir = "${rootProject.buildDir}/${project.name}" 22 | } 23 | subprojects { 24 | project.evaluationDependsOn(':app') 25 | } 26 | 27 | task clean(type: Delete) { 28 | delete rootProject.buildDir 29 | } 30 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip 7 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() 4 | 5 | def plugins = new Properties() 6 | def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') 7 | if (pluginsFile.exists()) { 8 | pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } 9 | } 10 | 11 | plugins.each { name, path -> 12 | def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() 13 | include ":$name" 14 | project(":$name").projectDir = pluginDirectory 15 | } 16 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/assets/kmon.json: -------------------------------------------------------------------------------- 1 | { 2 | "status": "ok", 3 | "ch": "market.btcusdt.kline.1mon", 4 | "ts": 1580885101624, 5 | "data": [ 6 | { 7 | "amount": 123527.105944981171846470, 8 | "open": 9337.100000000000000000, 9 | "close": 9280.470000000000000000, 10 | "high": 9600.000000000000000000, 11 | "id": 1580486400, 12 | "count": 1095638, 13 | "low": 9100.000000000000000000, 14 | "vol": 1151593772.529603656613804285450000000000000000 15 | }, 16 | { 17 | "amount": 1202012.456391286064699800, 18 | "open": 7194.700000000000000000, 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-------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Flutter/flutter_export_environment.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # This is a generated file; do not edit or check into version control. 3 | export "FLUTTER_ROOT=/Users/bianxiang/flutter" 4 | export "FLUTTER_APPLICATION_PATH=/Users/bianxiang/Downloads/flutter_k_chart-master/example" 5 | export "FLUTTER_TARGET=lib/main.dart" 6 | export "FLUTTER_BUILD_DIR=build" 7 | export "SYMROOT=${SOURCE_ROOT}/../build/ios" 8 | export "FLUTTER_FRAMEWORK_DIR=/Users/bianxiang/flutter/bin/cache/artifacts/engine/ios" 9 | export "FLUTTER_BUILD_NAME=1.0.0" 10 | export "FLUTTER_BUILD_NUMBER=1" 11 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner.xcodeproj/project.pbxproj: 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(BOOL)application:(UIApplication *)application 7 | didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 8 | [GeneratedPluginRegistrant registerWithRegistry:self]; 9 | // Override point for customization after application launch. 10 | return [super application:application didFinishLaunchingWithOptions:launchOptions]; 11 | } 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | 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"LaunchImage.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | example 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/ios/Runner/main.m: -------------------------------------------------------------------------------- 1 | #import 2 | #import 3 | #import "AppDelegate.h" 4 | 5 | int main(int argc, char* argv[]) { 6 | @autoreleasepool { 7 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'dart:convert'; 2 | import 'dart:math'; 3 | 4 | import 'package:flutter/material.dart'; 5 | import 'package:flutter/services.dart'; 6 | import 'package:flutter_k_chart/flutter_k_chart.dart'; 7 | import 'package:flutter_k_chart/k_chart_widget.dart'; 8 | import 'package:http/http.dart' as http; 9 | 10 | void main() => runApp(MyApp()); 11 | 12 | class MyApp extends StatelessWidget { 13 | @override 14 | Widget build(BuildContext context) { 15 | return MaterialApp( 16 | title: 'Flutter Demo', 17 | theme: ThemeData( 18 | primarySwatch: Colors.blue, 19 | ), 20 | home: MyHomePage(title: 'Flutter Demo Home Page'), 21 | ); 22 | } 23 | } 24 | 25 | class MyHomePage extends StatefulWidget { 26 | MyHomePage({Key key, this.title}) : super(key: key); 27 | 28 | final String title; 29 | 30 | @override 31 | _MyHomePageState createState() => _MyHomePageState(); 32 | } 33 | 34 | class _MyHomePageState extends State { 35 | List datas; 36 | bool showLoading = true; 37 | MainState _mainState = MainState.MA; 38 | SecondaryState _secondaryState = SecondaryState.MACD; 39 | bool isLine = true; 40 | List _bids, _asks; 41 | 42 | @override 43 | void initState() { 44 | super.initState(); 45 | getData('1day'); 46 | rootBundle.loadString('assets/depth.json').then((result) { 47 | final parseJson = json.decode(result); 48 | Map tick = parseJson['tick']; 49 | var bids = tick['bids'].map((item) => DepthEntity(item[0], item[1])).toList().cast(); 50 | var asks = tick['asks'].map((item) => DepthEntity(item[0], item[1])).toList().cast(); 51 | initDepth(bids, asks); 52 | }); 53 | } 54 | 55 | void initDepth(List bids, List asks) { 56 | if (bids == null || asks == null || bids.isEmpty || asks.isEmpty) return; 57 | _bids = List(); 58 | _asks = List(); 59 | double amount = 0.0; 60 | bids?.sort((left, right) => left.price.compareTo(right.price)); 61 | //倒序循环 //累加买入委托量 62 | bids.reversed.forEach((item) { 63 | amount += item.amount; 64 | item.amount = amount; 65 | _bids.insert(0, item); 66 | }); 67 | 68 | amount = 0.0; 69 | asks?.sort((left, right) => left.price.compareTo(right.price)); 70 | //循环 //累加买入委托量 71 | asks?.forEach((item) { 72 | amount += item.amount; 73 | item.amount = amount; 74 | _asks.add(item); 75 | }); 76 | setState(() {}); 77 | } 78 | 79 | @override 80 | Widget build(BuildContext context) { 81 | return Scaffold( 82 | backgroundColor: Color(0xff17212F), 83 | // appBar: AppBar(title: Text(widget.title)), 84 | body: ListView( 85 | children: [ 86 | Stack(children: [ 87 | Container( 88 | height: 450, 89 | width: double.infinity, 90 | child: KChartWidget( 91 | datas, 92 | isLine: isLine, 93 | mainState: _mainState, 94 | secondaryState: _secondaryState, 95 | volState: VolState.VOL, 96 | fractionDigits: 4, 97 | ), 98 | ), 99 | if (showLoading) 100 | Container( 101 | width: double.infinity, height: 450, alignment: Alignment.center, child: CircularProgressIndicator()), 102 | ]), 103 | buildButtons(), 104 | Container( 105 | height: 230, 106 | width: double.infinity, 107 | child: DepthChart(_bids, _asks), 108 | ) 109 | ], 110 | ), 111 | ); 112 | } 113 | 114 | Widget buildButtons() { 115 | return Wrap( 116 | alignment: WrapAlignment.spaceEvenly, 117 | children: [ 118 | button("分时", onPressed: () => isLine = true), 119 | button("k线", onPressed: () => isLine = false), 120 | button("MA", onPressed: () => _mainState = MainState.MA), 121 | button("BOLL", onPressed: () => _mainState = MainState.BOLL), 122 | button("隐藏", onPressed: () => _mainState = MainState.NONE), 123 | button("MACD", onPressed: () => _secondaryState = SecondaryState.MACD), 124 | button("KDJ", onPressed: () => _secondaryState = SecondaryState.KDJ), 125 | button("RSI", onPressed: () => _secondaryState = SecondaryState.RSI), 126 | button("WR", onPressed: () => _secondaryState = SecondaryState.WR), 127 | button("隐藏副视图", onPressed: () => _secondaryState = SecondaryState.NONE), 128 | button("update", onPressed: () { 129 | //更新最后一条数据 130 | datas.last.close += (Random().nextInt(100) - 50).toDouble(); 131 | datas.last.high = max(datas.last.high, datas.last.close); 132 | datas.last.low = min(datas.last.low, datas.last.close); 133 | DataUtil.updateLastData(datas); 134 | }), 135 | button("addData", onPressed: () { 136 | //拷贝一个对象，修改数据 137 | var kLineEntity = KLineEntity.fromJson(datas.last.toJson()); 138 | kLineEntity.id += 60 * 60 * 24; 139 | kLineEntity.open = kLineEntity.close; 140 | kLineEntity.close += (Random().nextInt(100) - 50).toDouble(); 141 | datas.last.high = max(datas.last.high, datas.last.close); 142 | datas.last.low = min(datas.last.low, datas.last.close); 143 | DataUtil.addLastData(datas, kLineEntity); 144 | }), 145 | button("1month", onPressed: () async { 146 | // showLoading = true; 147 | // setState(() {}); 148 | //getData('1mon'); 149 | String result = await rootBundle.loadString('assets/kmon.json'); 150 | Map parseJson = json.decode(result); 151 | List list = parseJson['data']; 152 | datas = list.map((item) => KLineEntity.fromJson(item)).toList().reversed.toList().cast(); 153 | DataUtil.calculate(datas); 154 | }), 155 | FlatButton( 156 | onPressed: (){ 157 | showLoading = true; 158 | setState(() {}); 159 | getData('1day'); 160 | }, 161 | child: Text("1day"), 162 | color: Colors.blue), 163 | ], 164 | ); 165 | } 166 | 167 | Widget button(String text, {VoidCallback onPressed}) { 168 | return FlatButton( 169 | onPressed: () { 170 | if (onPressed != null) { 171 | onPressed(); 172 | setState(() {}); 173 | } 174 | }, 175 | child: Text("$text"), 176 | color: Colors.blue); 177 | } 178 | 179 | void getData(String period) async { 180 | String result; 181 | try { 182 | result = await getIPAddress('$period'); 183 | } catch (e) { 184 | print('获取数据失败,获取本地数据'); 185 | result = await rootBundle.loadString('assets/kline.json'); 186 | } finally { 187 | Map parseJson = json.decode(result); 188 | List list = parseJson['data']; 189 | datas = list.map((item) => KLineEntity.fromJson(item)).toList().reversed.toList().cast(); 190 | 191 | DataUtil.calculate(datas); 192 | showLoading = false; 193 | setState(() {}); 194 | } 195 | } 196 | 197 | Future getIPAddress(String period) async { 198 | //火币api，需要翻墙 199 | var url = 'https://api.huobi.br.com/market/history/kline?period=${period ?? '1day'}&size=300&symbol=btcusdt'; 200 | String result; 201 | var response = await http.get(url).timeout(Duration(seconds: 7)); 202 | if (response.statusCode == 200) { 203 | result = response.body; 204 | } else { 205 | return Future.error("获取失败"); 206 | } 207 | return result; 208 | } 209 | } 210 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | archive: 5 | dependency: transitive 6 | description: 7 | name: archive 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.0.11" 11 | args: 12 | dependency: transitive 13 | description: 14 | name: args 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "1.5.2" 18 | async: 19 | dependency: transitive 20 | description: 21 | name: async 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "2.4.0" 25 | boolean_selector: 26 | dependency: transitive 27 | description: 28 | name: boolean_selector 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.0.5" 32 | charcode: 33 | dependency: transitive 34 | description: 35 | name: charcode 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.2" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.14.11" 46 | convert: 47 | dependency: transitive 48 | description: 49 | name: convert 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "2.1.1" 53 | crypto: 54 | dependency: transitive 55 | description: 56 | name: crypto 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "2.1.3" 60 | cupertino_icons: 61 | dependency: "direct main" 62 | description: 63 | name: cupertino_icons 64 | url: "https://pub.dartlang.org" 65 | source: hosted 66 | version: "0.1.3" 67 | flutter: 68 | dependency: "direct main" 69 | description: flutter 70 | source: sdk 71 | version: "0.0.0" 72 | flutter_k_chart: 73 | dependency: "direct main" 74 | description: 75 | path: ".." 76 | relative: true 77 | source: path 78 | version: "0.1.0" 79 | flutter_test: 80 | dependency: "direct dev" 81 | description: flutter 82 | source: sdk 83 | version: "0.0.0" 84 | http: 85 | dependency: "direct main" 86 | description: 87 | name: http 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "0.12.0+4" 91 | http_parser: 92 | dependency: transitive 93 | description: 94 | name: http_parser 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "3.1.3" 98 | image: 99 | dependency: transitive 100 | description: 101 | name: image 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "2.1.4" 105 | matcher: 106 | dependency: transitive 107 | description: 108 | name: matcher 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "0.12.6" 112 | meta: 113 | dependency: transitive 114 | description: 115 | name: meta 116 | url: "https://pub.dartlang.org" 117 | source: hosted 118 | version: "1.1.8" 119 | path: 120 | dependency: transitive 121 | description: 122 | name: path 123 | url: "https://pub.dartlang.org" 124 | source: hosted 125 | version: "1.6.4" 126 | pedantic: 127 | dependency: transitive 128 | description: 129 | name: pedantic 130 | url: "https://pub.dartlang.org" 131 | source: hosted 132 | version: "1.8.0+1" 133 | petitparser: 134 | dependency: transitive 135 | description: 136 | name: petitparser 137 | url: "https://pub.dartlang.org" 138 | source: hosted 139 | version: "2.4.0" 140 | quiver: 141 | dependency: transitive 142 | description: 143 | name: quiver 144 | url: "https://pub.dartlang.org" 145 | source: hosted 146 | version: "2.0.5" 147 | sky_engine: 148 | dependency: transitive 149 | description: flutter 150 | source: sdk 151 | version: "0.0.99" 152 | source_span: 153 | dependency: transitive 154 | description: 155 | name: source_span 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.5.5" 159 | stack_trace: 160 | dependency: transitive 161 | description: 162 | name: stack_trace 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "1.9.3" 166 | stream_channel: 167 | dependency: transitive 168 | description: 169 | name: stream_channel 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "2.0.0" 173 | string_scanner: 174 | dependency: transitive 175 | description: 176 | name: string_scanner 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "1.0.5" 180 | term_glyph: 181 | dependency: transitive 182 | description: 183 | name: term_glyph 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "1.1.0" 187 | test_api: 188 | dependency: transitive 189 | description: 190 | name: test_api 191 | url: "https://pub.dartlang.org" 192 | source: hosted 193 | version: "0.2.11" 194 | typed_data: 195 | dependency: transitive 196 | description: 197 | name: typed_data 198 | url: "https://pub.dartlang.org" 199 | source: hosted 200 | version: "1.1.6" 201 | vector_math: 202 | dependency: transitive 203 | description: 204 | name: vector_math 205 | url: "https://pub.dartlang.org" 206 | source: hosted 207 | version: "2.0.8" 208 | xml: 209 | dependency: transitive 210 | description: 211 | name: xml 212 | url: "https://pub.dartlang.org" 213 | source: hosted 214 | version: "3.5.0" 215 | sdks: 216 | dart: ">=2.4.0 <3.0.0" 217 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: example 2 | description: A new Flutter project. 3 | 4 | # The following defines the version and build number for your application. 5 | # A version number is three numbers separated by dots, like 1.2.43 6 | # followed by an optional build number separated by a +. 7 | # Both the version and the builder number may be overridden in flutter 8 | # build by specifying --build-name and --build-number, respectively. 9 | # In Android, build-name is used as versionName while build-number used as versionCode. 10 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 11 | # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. 12 | # Read more about iOS versioning at 13 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 14 | version: 1.0.0+1 15 | 16 | environment: 17 | sdk: ">=2.2.2 <3.0.0" 18 | 19 | dependencies: 20 | flutter: 21 | sdk: flutter 22 | 23 | # The following adds the Cupertino Icons font to your application. 24 | # Use with the CupertinoIcons class for iOS style icons. 25 | cupertino_icons: ^0.1.2 26 | http: ^0.12.0+2 27 | flutter_k_chart: 28 | path: ../ 29 | 30 | dev_dependencies: 31 | flutter_test: 32 | sdk: flutter 33 | 34 | 35 | # For information on the generic Dart part of this file, see the 36 | # following page: https://www.dartlang.org/tools/pub/pubspec 37 | 38 | # The following section is specific to Flutter. 39 | flutter: 40 | 41 | # The following line ensures that the Material Icons font is 42 | # included with your application, so that you can use the icons in 43 | # the material Icons class. 44 | uses-material-design: true 45 | assets: 46 | - assets/depth.json 47 | - assets/kline.json 48 | - assets/kmon.json 49 | # To add assets to your application, add an assets section, like this: 50 | # assets: 51 | # - images/a_dot_burr.jpeg 52 | # - images/a_dot_ham.jpeg 53 | 54 | # An image asset can refer to one or more resolution-specific "variants", see 55 | # https://flutter.dev/assets-and-images/#resolution-aware. 56 | 57 | # For details regarding adding assets from package dependencies, see 58 | # https://flutter.dev/assets-and-images/#from-packages 59 | 60 | # To add custom fonts to your application, add a fonts section here, 61 | # in this "flutter" section. Each entry in this list should have a 62 | # "family" key with the font family name, and a "fonts" key with a 63 | # list giving the asset and other descriptors for the font. For 64 | # example: 65 | # fonts: 66 | # - family: Schyler 67 | # fonts: 68 | # - asset: fonts/Schyler-Regular.ttf 69 | # - asset: fonts/Schyler-Italic.ttf 70 | # style: italic 71 | # - family: Trajan Pro 72 | # fonts: 73 | # - asset: fonts/TrajanPro.ttf 74 | # - asset: fonts/TrajanPro_Bold.ttf 75 | # weight: 700 76 | # 77 | # For details regarding fonts from package dependencies, 78 | # see https://flutter.dev/custom-fonts/#from-packages 79 | -------------------------------------------------------------------------------- /flutter_k_chart-master/example/test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility that Flutter provides. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import '../lib/main.dart'; 12 | 13 | 14 | 15 | void main() { 16 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 17 | // Build our app and trigger a frame. 18 | await tester.pumpWidget(MyApp()); 19 | 20 | // Verify that our counter starts at 0. 21 | expect(find.text('0'), findsOneWidget); 22 | expect(find.text('1'), findsNothing); 23 | 24 | // Tap the '+' icon and trigger a frame. 25 | await tester.tap(find.byIcon(Icons.add)); 26 | await tester.pump(); 27 | 28 | // Verify that our counter has incremented. 29 | expect(find.text('0'), findsNothing); 30 | expect(find.text('1'), findsOneWidget); 31 | }); 32 | } 33 | -------------------------------------------------------------------------------- /flutter_k_chart-master/k_chart.apk: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/bianxiang/flutter_kline/a0f060f5b5087f3cbb510188e0dbd9ccba5c0fc1/flutter_k_chart-master/k_chart.apk -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/chart_style.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart' show Color; 2 | 3 | class ChartColors { 4 | ChartColors._(); 5 | 6 | //背景颜色 7 | static const Color bgColor = Color(0xff0D141E); 8 | static const Color kLineColor = Color(0xff4C86CD); 9 | static const Color gridColor = Color(0xff4c5c74); 10 | static const List kLineShadowColor = [Color(0x554C86CD), Color(0x00000000)]; //k线阴影渐变 11 | static const Color ma5Color = Color(0xffC9B885); 12 | static const Color ma10Color = Color(0xff6CB0A6); 13 | static const Color ma30Color = Color(0xff9979C6); 14 | static const Color upColor = Color(0xff4DAA90); 15 | static const Color dnColor = Color(0xffC15466); 16 | static const Color volColor = Color(0xff4729AE); 17 | 18 | static const Color macdColor = Color(0xff4729AE); 19 | static const Color difColor = Color(0xffC9B885); 20 | static const Color deaColor = Color(0xff6CB0A6); 21 | 22 | static const Color kColor = Color(0xffC9B885); 23 | static const Color dColor = Color(0xff6CB0A6); 24 | static const Color jColor = Color(0xff9979C6); 25 | static const Color rsiColor = Color(0xffC9B885); 26 | 27 | static const Color yAxisTextColor = Color(0xff60738E); //右边y轴刻度 28 | static const Color xAxisTextColor = Color(0xff60738E); //下方时间刻度 29 | 30 | static const Color maxMinTextColor = Color(0xffffffff); //最大最小值的颜色 31 | 32 | //深度颜色 33 | static const Color depthBuyColor = Color(0xff60A893); 34 | static const Color depthSellColor = Color(0xffC15866); 35 | 36 | //选中后显示值边框颜色 37 | static const Color markerBorderColor = Color(0xff6C7A86); 38 | 39 | //选中后显示值背景的填充颜色 40 | static const Color markerBgColor = Color(0xff0D1722); 41 | 42 | //实时线颜色等 43 | static const Color realTimeBgColor = Color(0xff0D1722); 44 | static const Color rightRealTimeTextColor = Color(0xff4C86CD); 45 | static const Color realTimeTextBorderColor = Color(0xffffffff); 46 | static const Color realTimeTextColor = Color(0xffffffff); 47 | 48 | //实时线 49 | static const Color realTimeLineColor = Color(0xffffffff); 50 | static const Color realTimeLongLineColor = Color(0xff4C86CD); 51 | } 52 | 53 | class ChartStyle { 54 | ChartStyle._(); 55 | 56 | //点与点的距离 57 | static const double pointWidth = 11.0; 58 | 59 | //蜡烛宽度 60 | static const double candleWidth = 8.5; 61 | 62 | //蜡烛中间线的宽度 63 | static const double candleLineWidth = 1.5; 64 | 65 | //vol柱子宽度 66 | static const double volWidth = 8.5; 67 | 68 | //macd柱子宽度 69 | static const double macdWidth = 3.0; 70 | 71 | //垂直交叉线宽度 72 | static const double vCrossWidth = 8.5; 73 | 74 | //水平交叉线宽度 75 | static const double hCrossWidth = 0.5; 76 | 77 | //网格 78 | static const int gridRows = 3, gridColumns = 4; 79 | 80 | static const double topPadding = 30.0, bottomDateHigh = 20.0, childPadding = 25.0; 81 | 82 | static const double defaultTextSize = 10.0; 83 | } 84 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/depth_chart.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'chart_style.dart'; 5 | import 'entity/depth_entity.dart'; 6 | 7 | class DepthChart extends StatefulWidget { 8 | final List bids, asks; 9 | 10 | DepthChart(this.bids, this.asks); 11 | 12 | @override 13 | _DepthChartState createState() => _DepthChartState(); 14 | } 15 | 16 | class _DepthChartState extends State { 17 | Offset pressOffset; 18 | bool isLongPress = false; 19 | 20 | @override 21 | Widget build(BuildContext context) { 22 | return GestureDetector( 23 | onLongPressStart: (details) { 24 | pressOffset = details.globalPosition; 25 | isLongPress = true; 26 | setState(() {}); 27 | }, 28 | onLongPressMoveUpdate: (details) { 29 | pressOffset = details.globalPosition; 30 | isLongPress = true; 31 | setState(() {}); 32 | }, 33 | onTap: () { 34 | if (isLongPress) { 35 | isLongPress = false; 36 | setState(() {}); 37 | } 38 | }, 39 | child: CustomPaint( 40 | size: Size(double.infinity, double.infinity), 41 | painter: DepthChartPainter(widget.bids, widget.asks, pressOffset, isLongPress), 42 | ), 43 | ); 44 | } 45 | } 46 | 47 | class DepthChartPainter extends CustomPainter { 48 | //买入//卖出 49 | List mBuyData, mSellData; 50 | Offset pressOffset; 51 | bool isLongPress; 52 | 53 | double mPaddingBottom = 18.0; 54 | double mWidth = 0.0, mDrawHeight = 0.0, mDrawWidth = 0.0, mBuyPointWidth, mSellPointWidth; 55 | 56 | //最大的委托量 57 | double mMaxVolume, mMultiple; 58 | 59 | //右侧绘制个数 60 | int mLineCount = 4; 61 | 62 | Path mBuyPath, mSellPath; 63 | 64 | //买卖出区域边线绘制画笔 //买卖出取悦绘制画笔 65 | Paint mBuyLinePaint, mSellLinePaint, mBuyPathPaint, mSellPathPaint; 66 | 67 | DepthChartPainter(this.mBuyData, this.mSellData, this.pressOffset, this.isLongPress) { 68 | mBuyLinePaint ??= Paint() 69 | ..isAntiAlias = true 70 | ..color = ChartColors.depthBuyColor 71 | ..style = PaintingStyle.stroke 72 | ..strokeWidth = 1.0; 73 | mSellLinePaint ??= Paint() 74 | ..isAntiAlias = true 75 | ..color = ChartColors.depthSellColor 76 | ..style = PaintingStyle.stroke 77 | ..strokeWidth = 1.0; 78 | 79 | mBuyPathPaint ??= Paint() 80 | ..isAntiAlias = true 81 | ..color = ChartColors.depthBuyColor.withOpacity(0.2); 82 | mSellPathPaint ??= Paint() 83 | ..isAntiAlias = true 84 | ..color = ChartColors.depthSellColor.withOpacity(0.2); 85 | mBuyPath ??= Path(); 86 | mSellPath ??= Path(); 87 | init(); 88 | } 89 | 90 | void init() { 91 | if (mBuyData == null || mSellData == null || mBuyData.isEmpty || mSellData.isEmpty) return; 92 | mMaxVolume = mBuyData[0].amount; 93 | mMaxVolume = max(mMaxVolume, mSellData.last.amount); 94 | mMaxVolume = mMaxVolume * 1.05; 95 | mMultiple = mMaxVolume / mLineCount; 96 | } 97 | 98 | @override 99 | void paint(Canvas canvas, Size size) { 100 | if (mBuyData == null || mSellData == null || mBuyData.isEmpty || mSellData.isEmpty) return; 101 | mWidth = size.width; 102 | mDrawWidth = mWidth / 2; 103 | mDrawHeight = size.height - mPaddingBottom; 104 | // canvas.drawColor(Colors.black, BlendMode.color); 105 | canvas.save(); 106 | //绘制买入区域 107 | drawBuy(canvas); 108 | //绘制卖出区域 109 | drawSell(canvas); 110 | 111 | //绘制界面相关文案 112 | drawText(canvas); 113 | canvas.restore(); 114 | } 115 | 116 | void drawBuy(Canvas canvas) { 117 | mBuyPointWidth = (mDrawWidth / (mBuyData.length - 1 == 0 ? 1 : mBuyData.length - 1)); 118 | mBuyPath.reset(); 119 | double x; 120 | double y; 121 | for (int i = 0; i < mBuyData.length; i++) { 122 | if (i == 0) { 123 | mBuyPath.moveTo(0, getY(mBuyData[0].amount)); 124 | } 125 | y = getY(mBuyData[i].amount); 126 | if (i >= 1) { 127 | canvas.drawLine(Offset(mBuyPointWidth * (i - 1), getY(mBuyData[i - 1].amount)), 128 | Offset(mBuyPointWidth * i, y), mBuyLinePaint); 129 | } 130 | if (i != mBuyData.length - 1) { 131 | mBuyPath.quadraticBezierTo( 132 | mBuyPointWidth * i, y, mBuyPointWidth * (i + 1), getY(mBuyData[i + 1].amount)); 133 | } 134 | 135 | x = mBuyPointWidth * i; 136 | if (i == mBuyData.length - 1) { 137 | mBuyPath.quadraticBezierTo(mBuyPointWidth * i, y, mBuyPointWidth * i, mDrawHeight); 138 | mBuyPath.quadraticBezierTo(mBuyPointWidth * i, mDrawHeight, 0, mDrawHeight); 139 | mBuyPath.close(); 140 | } 141 | } 142 | canvas.drawPath(mBuyPath, mBuyPathPaint); 143 | } 144 | 145 | void drawSell(Canvas canvas) { 146 | mSellPointWidth = (mDrawWidth / (mSellData.length - 1 == 0 ? 1 : mSellData.length - 1)); 147 | mSellPath.reset(); 148 | double x; 149 | double y; 150 | for (int i = 0; i < mSellData.length; i++) { 151 | if (i == 0) { 152 | mSellPath.moveTo(mDrawWidth, getY(mSellData[0].amount)); 153 | } 154 | y = getY(mSellData[i].amount); 155 | if (i >= 1) { 156 | canvas.drawLine(Offset((mSellPointWidth * (i - 1)) + mDrawWidth, getY(mSellData[i - 1].amount)), 157 | Offset((mSellPointWidth * i) + mDrawWidth, y), mSellLinePaint); 158 | } 159 | if (i != mSellData.length - 1) { 160 | mSellPath.quadraticBezierTo((mSellPointWidth * i) + mDrawWidth, y, 161 | (mSellPointWidth * (i + 1)) + mDrawWidth, getY(mSellData[i + 1].amount)); 162 | } 163 | x = (mSellPointWidth * i) + mDrawWidth; 164 | if (i == mSellData.length - 1) { 165 | mSellPath.quadraticBezierTo(mWidth, y, (mSellPointWidth * i) + mDrawWidth, mDrawHeight); 166 | mSellPath.quadraticBezierTo((mSellPointWidth * i) + mDrawWidth, mDrawHeight, mDrawWidth, mDrawHeight); 167 | mSellPath.close(); 168 | } 169 | } 170 | canvas.drawPath(mSellPath, mSellPathPaint); 171 | } 172 | 173 | int mLastPosition; 174 | 175 | void drawText(Canvas canvas) { 176 | double value; 177 | String str; 178 | for (int j = 0; j < mLineCount; j++) { 179 | value = mMaxVolume - mMultiple * j; 180 | str = value.toStringAsFixed(2); 181 | var tp = getTextPainter(str); 182 | tp.layout(); 183 | tp.paint(canvas, Offset(mWidth - tp.width, mDrawHeight / mLineCount * j + tp.height / 2)); 184 | } 185 | var startText = mBuyData.first.price.toStringAsFixed(2); 186 | TextPainter startTP = getTextPainter(startText); 187 | startTP.layout(); 188 | startTP.paint(canvas, Offset(0, getBottomTextY(startTP.height))); 189 | 190 | var center = ((mBuyData.last.price + mSellData.first.price) / 2).toStringAsFixed(2); 191 | TextPainter centerTP = getTextPainter(center); 192 | centerTP.layout(); 193 | centerTP.paint(canvas, Offset(mDrawWidth - centerTP.width / 2, getBottomTextY(centerTP.height))); 194 | 195 | var endText = mSellData.last.price.toStringAsFixed(2); 196 | TextPainter endTP = getTextPainter(endText); 197 | endTP.layout(); 198 | endTP.paint(canvas, Offset(mWidth - endTP.width, getBottomTextY(endTP.height))); 199 | 200 | if (isLongPress == true) { 201 | if (pressOffset.dx <= mDrawWidth) { 202 | int index = _indexOfTranslateX(pressOffset.dx, 0, mBuyData.length, getBuyX); 203 | drawSelectView(canvas, index, true); 204 | } else { 205 | int index = _indexOfTranslateX(pressOffset.dx, 0, mSellData.length, getSellX); 206 | drawSelectView(canvas, index, false); 207 | } 208 | } 209 | } 210 | 211 | Paint selectPaint = Paint() 212 | ..isAntiAlias = true 213 | ..color = ChartColors.markerBgColor; 214 | Paint selectBorderPaint = Paint() 215 | ..isAntiAlias = true 216 | ..color = ChartColors.markerBorderColor 217 | ..style = PaintingStyle.stroke 218 | ..strokeWidth = 0.5; 219 | 220 | void drawSelectView(Canvas canvas, int index, bool isLeft) { 221 | DepthEntity entity = isLeft ? mBuyData[index] : mSellData[index]; 222 | double dx = isLeft ? getBuyX(index) : getSellX(index); 223 | 224 | double radius = 8.0; 225 | if (dx < mDrawWidth) { 226 | canvas.drawCircle( 227 | Offset(dx, getY(entity.amount)), radius / 3, mBuyLinePaint..style = PaintingStyle.fill); 228 | canvas.drawCircle(Offset(dx, getY(entity.amount)), radius, mBuyLinePaint..style = PaintingStyle.stroke); 229 | } else { 230 | canvas.drawCircle( 231 | Offset(dx, getY(entity.amount)), radius / 3, mSellLinePaint..style = PaintingStyle.fill); 232 | canvas.drawCircle( 233 | Offset(dx, getY(entity.amount)), radius, mSellLinePaint..style = PaintingStyle.stroke); 234 | } 235 | 236 | //画底部 237 | TextPainter priceTP = getTextPainter(entity.price.toStringAsFixed(2)); 238 | priceTP.layout(); 239 | double left; 240 | if (dx <= priceTP.width / 2) { 241 | left = 0; 242 | } else if (dx >= mWidth - priceTP.width / 2) { 243 | left = mWidth - priceTP.width; 244 | } else { 245 | left = dx - priceTP.width / 2; 246 | } 247 | Rect bottomRect = 248 | Rect.fromLTRB(left - 3, mDrawHeight + 3, left + priceTP.width + 3, mDrawHeight + mPaddingBottom); 249 | canvas.drawRect(bottomRect, selectPaint); 250 | canvas.drawRect(bottomRect, selectBorderPaint); 251 | priceTP.paint( 252 | canvas, 253 | Offset(bottomRect.left + (bottomRect.width - priceTP.width) / 2, 254 | bottomRect.top + (bottomRect.height - priceTP.height) / 2)); 255 | //画左边 256 | TextPainter amountTP = getTextPainter(entity.amount.toStringAsFixed(2)); 257 | amountTP.layout(); 258 | double y = getY(entity.amount); 259 | double rightRectTop; 260 | if (y <= amountTP.height / 2) { 261 | rightRectTop = 0; 262 | } else if (y >= mDrawHeight - amountTP.height / 2) { 263 | rightRectTop = mDrawHeight - amountTP.height; 264 | } else { 265 | rightRectTop = y - amountTP.height / 2; 266 | } 267 | Rect rightRect = Rect.fromLTRB( 268 | mWidth - amountTP.width - 6, rightRectTop - 3, mWidth, rightRectTop + amountTP.height + 3); 269 | canvas.drawRect(rightRect, selectPaint); 270 | canvas.drawRect(rightRect, selectBorderPaint); 271 | amountTP.paint( 272 | canvas, 273 | Offset(rightRect.left + (rightRect.width - amountTP.width) / 2, 274 | rightRect.top + (rightRect.height - amountTP.height) / 2)); 275 | } 276 | 277 | ///二分查找当前值的index 278 | int _indexOfTranslateX(double translateX, int start, int end, Function getX) { 279 | if (end == start || end == -1) { 280 | return start; 281 | } 282 | if (end - start == 1) { 283 | double startValue = getX(start); 284 | double endValue = getX(end); 285 | return (translateX - startValue).abs() < (translateX - endValue).abs() ? start : end; 286 | } 287 | int mid = start + (end - start) ~/ 2; 288 | double midValue = getX(mid); 289 | if (translateX < midValue) { 290 | return _indexOfTranslateX(translateX, start, mid, getX); 291 | } else if (translateX > midValue) { 292 | return _indexOfTranslateX(translateX, mid, end, getX); 293 | } else { 294 | return mid; 295 | } 296 | } 297 | 298 | double getBuyX(int position) => position * mBuyPointWidth; 299 | 300 | double getSellX(int position) => position * mSellPointWidth + mDrawWidth; 301 | 302 | getTextPainter(String text, [Color color = Colors.white]) => TextPainter( 303 | text: TextSpan(text: "$text", style: TextStyle(color: color, fontSize: 10)), 304 | textDirection: TextDirection.ltr); 305 | 306 | double getBottomTextY(double textHeight) => (mPaddingBottom - textHeight) / 2 + mDrawHeight; 307 | 308 | double getY(double volume) => mDrawHeight - (mDrawHeight) * volume / mMaxVolume; 309 | 310 | @override 311 | bool shouldRepaint(DepthChartPainter oldDelegate) { 312 | // return oldDelegate.mBuyData != mBuyData || 313 | // oldDelegate.mSellData != mSellData || 314 | // oldDelegate.isLongPress != isLongPress || 315 | // oldDelegate.pressOffset != pressOffset; 316 | return true; 317 | } 318 | } 319 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/candle_entity.dart: -------------------------------------------------------------------------------- 1 | 2 | mixin CandleEntity{ 3 | 4 | double open; 5 | double high; 6 | double low; 7 | double close; 8 | double MA5Price; 9 | double MA10Price; 10 | double MA20Price; 11 | double MA30Price; 12 | double MA60Price; 13 | // 上轨线 14 | double up; 15 | // 中轨线 16 | double mb; 17 | // 下轨线 18 | double dn; 19 | } -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/depth_entity.dart: -------------------------------------------------------------------------------- 1 | class DepthEntity { 2 | double price; 3 | double amount; 4 | 5 | DepthEntity(this.price, this.amount); 6 | 7 | @override 8 | String toString() { 9 | return 'Data{price: $price, amount: $amount}'; 10 | } 11 | } -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/info_window_entity.dart: -------------------------------------------------------------------------------- 1 | import '../entity/k_line_entity.dart'; 2 | 3 | class InfoWindowEntity { 4 | KLineEntity kLineEntity; 5 | bool isLeft = false; 6 | 7 | InfoWindowEntity(this.kLineEntity, this.isLeft); 8 | } 9 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/k_entity.dart: -------------------------------------------------------------------------------- 1 | import 'candle_entity.dart'; 2 | import 'kdj_entity.dart'; 3 | import 'macd_entity.dart'; 4 | import 'rsi_entity.dart'; 5 | import 'rw_entity.dart'; 6 | import 'volume_entity.dart'; 7 | 8 | class KEntity with CandleEntity, VolumeEntity, KDJEntity, RSIEntity, WREntity, MACDEntity {} 9 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/k_line_entity.dart: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | import '../entity/k_entity.dart'; 5 | 6 | class KLineEntity extends KEntity { 7 | double open; 8 | double high; 9 | double low; 10 | double close; 11 | double vol; 12 | double amount; 13 | int count; 14 | int id; 15 | 16 | KLineEntity.fromJson(Map json) { 17 | open = (json['open'] as num)?.toDouble(); 18 | high = (json['high'] as num)?.toDouble(); 19 | low = (json['low'] as num)?.toDouble(); 20 | close = (json['close'] as num)?.toDouble(); 21 | vol = (json['vol'] as num)?.toDouble(); 22 | amount = (json['amount'] as num)?.toDouble(); 23 | count = (json['count'] as num)?.toInt(); 24 | id = (json['id'] as num)?.toInt(); 25 | } 26 | 27 | Map toJson(){ 28 | final Map data = new Map(); 29 | data['id'] = this.id; 30 | data['open'] = this.open; 31 | data['close'] = this.close; 32 | data['high'] = this.high; 33 | data['low'] = this.low; 34 | data['vol'] = this.vol; 35 | data['amount'] = this.amount; 36 | data['count'] = this.count; 37 | return data; 38 | } 39 | 40 | @override 41 | String toString() { 42 | return 'MarketModel{open: $open, high: $high, low: $low, close: $close, vol: $vol, id: $id}'; 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/kdj_entity.dart: -------------------------------------------------------------------------------- 1 | mixin KDJEntity { 2 | double k; 3 | double d; 4 | double j; 5 | } 6 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/macd_entity.dart: -------------------------------------------------------------------------------- 1 | import 'kdj_entity.dart'; 2 | import 'rsi_entity.dart'; 3 | import 'rw_entity.dart'; 4 | 5 | mixin MACDEntity on KDJEntity, RSIEntity, WREntity { 6 | double dea; 7 | double dif; 8 | double macd; 9 | double ema12; 10 | double ema26; 11 | } 12 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/rsi_entity.dart: -------------------------------------------------------------------------------- 1 | mixin RSIEntity { 2 | /// RSI值 3 | double rsi; 4 | double rsiABSEma; 5 | double rsiMaxEma; 6 | } 7 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/rw_entity.dart: -------------------------------------------------------------------------------- 1 | mixin WREntity { 2 | /// %R值 3 | double r; 4 | 5 | } 6 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/entity/volume_entity.dart: -------------------------------------------------------------------------------- 1 | mixin VolumeEntity { 2 | 3 | double open; 4 | double close; 5 | double vol; 6 | double MA5Volume; 7 | double MA10Volume; 8 | } 9 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/flutter_k_chart.dart: -------------------------------------------------------------------------------- 1 | library flutter_k_chart; 2 | 3 | export 'k_chart_widget.dart';//布局 4 | export 'utils/data_util.dart';//数据加工 5 | export 'entity/k_line_entity.dart';//数据 6 | 7 | export 'entity/depth_entity.dart'; 8 | export 'depth_chart.dart'; 9 | 10 | ///// A Calculator. 11 | //class Calculator { 12 | // /// Returns [value] plus 1. 13 | // int addOne(int value) => value + 1; 14 | //} 15 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/generated/i18n.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/foundation.dart'; 4 | import 'package:flutter/material.dart'; 5 | 6 | // ignore_for_file: non_constant_identifier_names 7 | // ignore_for_file: camel_case_types 8 | // ignore_for_file: prefer_single_quotes 9 | 10 | // This file is automatically generated. DO NOT EDIT, all your changes would be lost. 11 | class S implements WidgetsLocalizations { 12 | const S(); 13 | 14 | static S current; 15 | 16 | static const GeneratedLocalizationsDelegate delegate = 17 | GeneratedLocalizationsDelegate(); 18 | 19 | static S of(BuildContext context) => Localizations.of(context, S); 20 | 21 | @override 22 | TextDirection get textDirection => TextDirection.ltr; 23 | 24 | } 25 | 26 | class $en extends S { 27 | const $en(); 28 | } 29 | 30 | class GeneratedLocalizationsDelegate extends LocalizationsDelegate { 31 | const GeneratedLocalizationsDelegate(); 32 | 33 | List get supportedLocales { 34 | return const [ 35 | Locale("en", ""), 36 | ]; 37 | } 38 | 39 | LocaleListResolutionCallback listResolution({Locale fallback, bool withCountry = true}) { 40 | return (List locales, Iterable supported) { 41 | if (locales == null || locales.isEmpty) { 42 | return fallback ?? supported.first; 43 | } else { 44 | return _resolve(locales.first, fallback, supported, withCountry); 45 | } 46 | }; 47 | } 48 | 49 | LocaleResolutionCallback resolution({Locale fallback, bool withCountry = true}) { 50 | return (Locale locale, Iterable supported) { 51 | return _resolve(locale, fallback, supported, withCountry); 52 | }; 53 | } 54 | 55 | @override 56 | Future load(Locale locale) { 57 | final String lang = getLang(locale); 58 | if (lang != null) { 59 | switch (lang) { 60 | case "en": 61 | S.current = const $en(); 62 | return SynchronousFuture(S.current); 63 | default: 64 | // NO-OP. 65 | } 66 | } 67 | S.current = const S(); 68 | return SynchronousFuture(S.current); 69 | } 70 | 71 | @override 72 | bool isSupported(Locale locale) => _isSupported(locale, true); 73 | 74 | @override 75 | bool shouldReload(GeneratedLocalizationsDelegate old) => false; 76 | 77 | /// 78 | /// Internal method to resolve a locale from a list of locales. 79 | /// 80 | Locale _resolve(Locale locale, Locale fallback, Iterable supported, bool withCountry) { 81 | if (locale == null || !_isSupported(locale, withCountry)) { 82 | return fallback ?? supported.first; 83 | } 84 | 85 | final Locale languageLocale = Locale(locale.languageCode, ""); 86 | if (supported.contains(locale)) { 87 | return locale; 88 | } else if (supported.contains(languageLocale)) { 89 | return languageLocale; 90 | } else { 91 | final Locale fallbackLocale = fallback ?? supported.first; 92 | return fallbackLocale; 93 | } 94 | } 95 | 96 | /// 97 | /// Returns true if the specified locale is supported, false otherwise. 98 | /// 99 | bool _isSupported(Locale locale, bool withCountry) { 100 | if (locale != null) { 101 | for (Locale supportedLocale in supportedLocales) { 102 | // Language must always match both locales. 103 | if (supportedLocale.languageCode != locale.languageCode) { 104 | continue; 105 | } 106 | 107 | // If country code matches, return this locale. 108 | if (supportedLocale.countryCode == locale.countryCode) { 109 | return true; 110 | } 111 | 112 | // If no country requirement is requested, check if this locale has no country. 113 | if (true != withCountry && (supportedLocale.countryCode == null || supportedLocale.countryCode.isEmpty)) { 114 | return true; 115 | } 116 | } 117 | } 118 | return false; 119 | } 120 | } 121 | 122 | String getLang(Locale l) => l == null 123 | ? null 124 | : l.countryCode != null && l.countryCode.isEmpty 125 | ? l.languageCode 126 | : l.toString(); 127 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/k_chart_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'chart_style.dart'; 5 | import 'entity/info_window_entity.dart'; 6 | import 'entity/k_line_entity.dart'; 7 | import 'renderer/chart_painter.dart'; 8 | import 'utils/date_format_util.dart'; 9 | import 'utils/number_util.dart'; 10 | 11 | enum MainState { MA, BOLL, NONE } 12 | enum VolState { VOL, NONE } 13 | enum SecondaryState { MACD, KDJ, RSI, WR, NONE } 14 | 15 | class KChartWidget extends StatefulWidget { 16 | final List datas; 17 | final MainState mainState; 18 | final VolState volState; 19 | final SecondaryState secondaryState; 20 | final bool isLine; 21 | 22 | KChartWidget(this.datas, {this.mainState = MainState.MA,this.volState = VolState.VOL, this.secondaryState = SecondaryState.MACD, this.isLine,int fractionDigits = 2}){ 23 | NumberUtil.fractionDigits = fractionDigits; 24 | } 25 | 26 | @override 27 | _KChartWidgetState createState() => _KChartWidgetState(); 28 | } 29 | 30 | class _KChartWidgetState extends State with SingleTickerProviderStateMixin{ 31 | AnimationController _controller; 32 | Animation _animation; 33 | double mScaleX = 1.0, mScrollX = 0.0, mSelectX = 0.0; 34 | StreamController mInfoWindowStream; 35 | double mWidth = 0; 36 | 37 | double getMinScrollX() { 38 | return mScaleX; 39 | } 40 | 41 | double _lastScale = 1.0; 42 | bool isScale = false, isDrag = false, isLongPress = false; 43 | 44 | @override 45 | void initState() { 46 | super.initState(); 47 | mInfoWindowStream = StreamController(); 48 | _controller = AnimationController(duration: Duration(milliseconds: 850), vsync: this); 49 | _animation = Tween(begin: 0.9, end: 0.1).animate(_controller)..addListener(() => setState(() {})); 50 | } 51 | 52 | @override 53 | void didChangeDependencies() { 54 | super.didChangeDependencies(); 55 | mWidth = MediaQuery.of(context).size.width; 56 | } 57 | 58 | @override 59 | void didUpdateWidget(KChartWidget oldWidget) { 60 | super.didUpdateWidget(oldWidget); 61 | if (oldWidget.datas != widget.datas) mScrollX = mSelectX = 0.0; 62 | } 63 | 64 | @override 65 | void dispose() { 66 | mInfoWindowStream?.close(); 67 | _controller?.dispose(); 68 | super.dispose(); 69 | } 70 | 71 | @override 72 | Widget build(BuildContext context) { 73 | if (widget.datas == null || widget.datas.isEmpty) { 74 | mScrollX = mSelectX = 0.0; 75 | mScaleX = 1.0; 76 | } 77 | return GestureDetector( 78 | onHorizontalDragDown: (details) { 79 | isDrag = true; 80 | }, 81 | onHorizontalDragUpdate: (details) { 82 | if (isScale || isLongPress) return; 83 | mScrollX = (details.primaryDelta / mScaleX + mScrollX).clamp(0.0, ChartPainter.maxScrollX); 84 | notifyChanged(); 85 | }, 86 | onHorizontalDragEnd: (DragEndDetails details) { 87 | isDrag = false; 88 | }, 89 | onHorizontalDragCancel: () => isDrag = false, 90 | onScaleStart: (_) { 91 | isScale = true; 92 | }, 93 | onScaleUpdate: (details) { 94 | if (isDrag || isLongPress) return; 95 | mScaleX = (_lastScale * details.scale).clamp(0.5, 2.2); 96 | notifyChanged(); 97 | }, 98 | onScaleEnd: (_) { 99 | isScale = false; 100 | _lastScale = mScaleX; 101 | }, 102 | onLongPressStart: (details) { 103 | isLongPress = true; 104 | if (mSelectX != details.globalPosition.dx) { 105 | mSelectX = details.globalPosition.dx; 106 | notifyChanged(); 107 | } 108 | }, 109 | onLongPressMoveUpdate: (details) { 110 | if (mSelectX != details.globalPosition.dx) { 111 | mSelectX = details.globalPosition.dx; 112 | notifyChanged(); 113 | } 114 | }, 115 | onLongPressEnd: (details) { 116 | isLongPress = false; 117 | mInfoWindowStream?.sink?.add(null); 118 | notifyChanged(); 119 | }, 120 | child: Stack( 121 | children: [ 122 | CustomPaint( 123 | size: Size(double.infinity, double.infinity), 124 | painter: ChartPainter( 125 | datas: widget.datas, 126 | scaleX: mScaleX, 127 | scrollX: mScrollX, 128 | selectX: mSelectX, 129 | isLongPass: isLongPress, 130 | mainState: widget.mainState, 131 | volState: widget.volState, 132 | secondaryState: widget.secondaryState, 133 | isLine: widget.isLine, 134 | sink: mInfoWindowStream?.sink, 135 | opacity: _animation.value, 136 | controller: _controller), 137 | ), 138 | _buildInfoDialog() 139 | ], 140 | ), 141 | ); 142 | } 143 | 144 | void notifyChanged() => setState(() {}); 145 | 146 | List infoNames = ["时间", "开", "高", "低", "收", "涨跌额", "涨幅", "成交量"]; 147 | List infos; 148 | 149 | Widget _buildInfoDialog() { 150 | return StreamBuilder( 151 | stream: mInfoWindowStream?.stream, 152 | builder: (context, snapshot) { 153 | if (!isLongPress || widget.isLine == true || !snapshot.hasData || snapshot.data.kLineEntity == null) 154 | return Container(); 155 | KLineEntity entity = snapshot.data.kLineEntity; 156 | double upDown = entity.close - entity.open; 157 | double upDownPercent = upDown / entity.open * 100; 158 | infos = [ 159 | getDate(entity.id), 160 | NumberUtil.format(entity.open), 161 | NumberUtil.format(entity.high), 162 | NumberUtil.format(entity.low), 163 | NumberUtil.format(entity.close), 164 | "${upDown > 0 ? "+" : ""}${NumberUtil.format(upDown)}", 165 | "${upDownPercent > 0 ? "+" : ''}${upDownPercent.toStringAsFixed(2)}%", 166 | NumberUtil.volFormat(entity.vol) 167 | ]; 168 | return Align( 169 | alignment: snapshot.data.isLeft ? Alignment.topLeft : Alignment.topRight, 170 | child: Container( 171 | margin: EdgeInsets.only(left: 10, right: 10, top: 25), 172 | padding: EdgeInsets.symmetric(horizontal: 8, vertical: 7), 173 | decoration: BoxDecoration( 174 | color: ChartColors.markerBgColor, 175 | border: Border.all(color: ChartColors.markerBorderColor, width: 0.5)), 176 | child: Column( 177 | mainAxisSize: MainAxisSize.min, 178 | children: List.generate(infoNames.length, (i) => _buildItem(infos[i].toString(), infoNames[i])), 179 | ), 180 | ), 181 | ); 182 | }); 183 | } 184 | 185 | Widget _buildItem(String info, String infoName) { 186 | Color color = Colors.white; 187 | if (info.startsWith("+")) 188 | color = Colors.green; 189 | else if (info.startsWith("-")) 190 | color = Colors.red; 191 | else 192 | color = Colors.white; 193 | return Container( 194 | constraints: BoxConstraints(minWidth: 95, maxWidth: 110, maxHeight: 14.0, minHeight: 14.0), 195 | child: Row( 196 | mainAxisSize: MainAxisSize.min, 197 | mainAxisAlignment: MainAxisAlignment.spaceBetween, 198 | crossAxisAlignment: CrossAxisAlignment.center, 199 | children: [ 200 | Text("$infoName", style: TextStyle(color: Colors.white, fontSize: ChartStyle.defaultTextSize)), 201 | SizedBox(width: 5), 202 | Text(info, style: TextStyle(color: color, fontSize: ChartStyle.defaultTextSize)), 203 | ], 204 | ), 205 | ); 206 | } 207 | 208 | String getDate(int date) { 209 | return dateFormat(DateTime.fromMillisecondsSinceEpoch(date * 1000), [yy, '-', mm, '-', dd, ' ', HH, ':', nn]); 210 | } 211 | } 212 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/base_chart_painter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | export 'package:flutter/material.dart' show Color, required, TextStyle, Rect, Canvas, Size, CustomPainter; 3 | import 'package:flutter/material.dart' show Color, required, TextStyle, Rect, Canvas, Size, CustomPainter; 4 | import 'package:flutter_k_chart/utils/date_format_util.dart'; 5 | import 'package:flutter_k_chart/utils/number_util.dart'; 6 | import '../entity/k_line_entity.dart'; 7 | import '../k_chart_widget.dart'; 8 | import '../chart_style.dart' show ChartStyle; 9 | 10 | abstract class BaseChartPainter extends CustomPainter { 11 | static double maxScrollX = 0.0; 12 | List datas; 13 | MainState mainState = MainState.MA; 14 | VolState volState = VolState.VOL; 15 | SecondaryState secondaryState = SecondaryState.MACD; 16 | 17 | double scaleX = 1.0, scrollX = 0.0, selectX; 18 | bool isLongPress = false; 19 | bool isLine = false; 20 | 21 | //3块区域大小与位置 22 | Rect mMainRect, mVolRect, mSecondaryRect; 23 | double mDisplayHeight, mWidth; 24 | 25 | int mStartIndex = 0, mStopIndex = 0; 26 | double mMainMaxValue = -double.maxFinite, mMainMinValue = double.maxFinite; 27 | double mVolMaxValue = -double.maxFinite, mVolMinValue = double.maxFinite; 28 | double mSecondaryMaxValue = -double.maxFinite, mSecondaryMinValue = double.maxFinite; 29 | double mTranslateX = -double.maxFinite; 30 | int mMainMaxIndex = 0, mMainMinIndex = 0; 31 | double mMainHighMaxValue = -double.maxFinite, mMainLowMinValue = double.maxFinite; 32 | int mItemCount = 0; 33 | double mDataLen = 0.0; //数据占屏幕总长度 34 | double mPointWidth = ChartStyle.pointWidth; 35 | List mFormats = [yyyy, '-', mm, '-', dd, ' ', HH, ':', nn]; //格式化时间 36 | double mMarginRight = 0.0; //k线右边空出来的距离 37 | 38 | BaseChartPainter( 39 | {@required this.datas, 40 | @required this.scaleX, 41 | @required this.scrollX, 42 | @required this.isLongPress, 43 | @required this.selectX, 44 | this.mainState, 45 | this.volState, 46 | this.secondaryState, 47 | this.isLine}) { 48 | mItemCount = datas?.length ?? 0; 49 | mDataLen = mItemCount * mPointWidth; 50 | initFormats(); 51 | } 52 | 53 | void initFormats() { 54 | // [yyyy, '-', mm, '-', dd, ' ', HH, ':', nn] 55 | if (mItemCount < 2) return; 56 | int firstTime = datas.first?.id ?? 0; 57 | int secondTime = datas[1]?.id ?? 0; 58 | int time = secondTime - firstTime; 59 | //月线 60 | if (time >= 24 * 60 * 60 * 28) 61 | mFormats = [yy, '-', mm]; 62 | //日线等 63 | else if (time >= 24 * 60 * 60) 64 | mFormats = [yy, '-', mm, '-', dd]; 65 | //小时线等 66 | else 67 | mFormats = [mm, '-', dd, ' ', HH, ':', nn]; 68 | } 69 | 70 | @override 71 | void paint(Canvas canvas, Size size) { 72 | 73 | canvas.clipRect(Rect.fromLTRB(0, 0, size.width, size.height)); 74 | mDisplayHeight = size.height - ChartStyle.topPadding - ChartStyle.bottomDateHigh; 75 | mWidth = size.width; 76 | mMarginRight = (mWidth / ChartStyle.gridColumns - mPointWidth) / scaleX; 77 | initRect(size); 78 | calculateValue(); 79 | initChartRenderer(); 80 | 81 | canvas.save(); 82 | canvas.scale(1, 1); 83 | drawBg(canvas, size); 84 | drawGrid(canvas); 85 | if (datas != null && datas.isNotEmpty) { 86 | drawChart(canvas, size); 87 | drawRightText(canvas); 88 | drawRealTimePrice(canvas, size); 89 | drawDate(canvas, size); 90 | if (isLongPress == true) drawCrossLineText(canvas, size); 91 | drawText(canvas, datas?.last, 5); 92 | drawMaxAndMin(canvas); 93 | } 94 | canvas.restore(); 95 | } 96 | 97 | void initChartRenderer(); 98 | 99 | //画背景 100 | void drawBg(Canvas canvas, Size size); 101 | 102 | //画网格 103 | void drawGrid(canvas); 104 | 105 | //画图表 106 | void drawChart(Canvas canvas, Size size); 107 | 108 | //画右边值 109 | void drawRightText(canvas); 110 | 111 | //画时间 112 | void drawDate(Canvas canvas, Size size); 113 | 114 | //画值 115 | void drawText(Canvas canvas, KLineEntity data, double x); 116 | 117 | //画最大最小值 118 | void drawMaxAndMin(Canvas canvas); 119 | 120 | //交叉线值 121 | void drawCrossLineText(Canvas canvas, Size size); 122 | 123 | void initRect(Size size) { 124 | double mainHeight = mDisplayHeight * 0.6; 125 | double volHeight = mDisplayHeight * 0.2; 126 | double secondaryHeight = mDisplayHeight * 0.2; 127 | if (volState == VolState.NONE && secondaryState == SecondaryState.NONE) { 128 | mainHeight = mDisplayHeight; 129 | } else if (volState == VolState.NONE || secondaryState == SecondaryState.NONE) { 130 | mainHeight = mDisplayHeight * 0.8; 131 | } 132 | mMainRect = Rect.fromLTRB(0, ChartStyle.topPadding, mWidth, ChartStyle.topPadding + mainHeight); 133 | if(volState != VolState.NONE){ 134 | mVolRect = Rect.fromLTRB(0, mMainRect.bottom + ChartStyle.childPadding, mWidth, mMainRect.bottom + volHeight); 135 | } 136 | if (secondaryState != SecondaryState.NONE){ 137 | mSecondaryRect = Rect.fromLTRB(0, (mVolRect?.bottom??mMainRect.bottom )+ ChartStyle.childPadding, mWidth, (mVolRect?.bottom??mMainRect.bottom) + secondaryHeight); 138 | } 139 | 140 | } 141 | 142 | calculateValue() { 143 | if (datas == null || datas.isEmpty) return; 144 | maxScrollX = getMinTranslateX().abs(); 145 | setTranslateXFromScrollX(scrollX); 146 | mStartIndex = indexOfTranslateX(xToTranslateX(0)); 147 | mStopIndex = indexOfTranslateX(xToTranslateX(mWidth)); 148 | for (int i = mStartIndex; i <= mStopIndex; i++) { 149 | var item = datas[i]; 150 | getMainMaxMinValue(item, i); 151 | getVolMaxMinValue(item); 152 | getSecondaryMaxMinValue(item); 153 | } 154 | } 155 | 156 | void getMainMaxMinValue(KLineEntity item, int i) { 157 | if (isLine == true) { 158 | mMainMaxValue = max(mMainMaxValue, item.close); 159 | mMainMinValue = min(mMainMinValue, item.close); 160 | } else { 161 | double maxPrice = item.high, minPrice = item.low; 162 | if (mainState == MainState.MA) { 163 | if(item.MA5Price != 0){ 164 | maxPrice = max(maxPrice, item.MA5Price); 165 | minPrice = min(minPrice, item.MA5Price); 166 | } 167 | if(item.MA10Price != 0){ 168 | maxPrice = max(maxPrice, item.MA10Price); 169 | minPrice = min(minPrice, item.MA10Price); 170 | } 171 | if(item.MA20Price != 0){ 172 | maxPrice = max(maxPrice, item.MA20Price); 173 | minPrice = min(minPrice, item.MA20Price); 174 | } 175 | if(item.MA30Price != 0){ 176 | maxPrice = max(maxPrice, item.MA30Price); 177 | minPrice = min(minPrice, item.MA30Price); 178 | } 179 | } else if (mainState == MainState.BOLL) { 180 | if(item.up!=0){ 181 | maxPrice = max(item.up, item.high); 182 | } 183 | if(item.dn!=0){ 184 | minPrice = min(item.dn, item.low); 185 | } 186 | } 187 | mMainMaxValue = max(mMainMaxValue, maxPrice); 188 | mMainMinValue = min(mMainMinValue, minPrice); 189 | 190 | if (mMainHighMaxValue < item.high) { 191 | mMainHighMaxValue = item.high; 192 | mMainMaxIndex = i; 193 | } 194 | if (mMainLowMinValue > item.low) { 195 | mMainLowMinValue = item.low; 196 | mMainMinIndex = i; 197 | } 198 | } 199 | } 200 | 201 | void getVolMaxMinValue(KLineEntity item) { 202 | mVolMaxValue = max(mVolMaxValue, max(item.vol, max(item.MA5Volume, item.MA10Volume))); 203 | mVolMinValue = min(mVolMinValue, min(item.vol, min(item.MA5Volume, item.MA10Volume))); 204 | } 205 | 206 | void getSecondaryMaxMinValue(KLineEntity item) { 207 | if (secondaryState == SecondaryState.MACD) { 208 | mSecondaryMaxValue = max(mSecondaryMaxValue, max(item.macd, max(item.dif, item.dea))); 209 | mSecondaryMinValue = min(mSecondaryMinValue, min(item.macd, min(item.dif, item.dea))); 210 | } else if (secondaryState == SecondaryState.KDJ) { 211 | mSecondaryMaxValue = max(mSecondaryMaxValue, max(item.k, max(item.d, item.j))); 212 | mSecondaryMinValue = min(mSecondaryMinValue, min(item.k, min(item.d, item.j))); 213 | } else if (secondaryState == SecondaryState.RSI) { 214 | mSecondaryMaxValue = max(mSecondaryMaxValue, item.rsi); 215 | mSecondaryMinValue = min(mSecondaryMinValue, item.rsi); 216 | } else { 217 | mSecondaryMaxValue = max(mSecondaryMaxValue, item.r); 218 | mSecondaryMinValue = min(mSecondaryMinValue, item.r); 219 | } 220 | } 221 | 222 | double xToTranslateX(double x) => -mTranslateX + x / scaleX; 223 | 224 | int indexOfTranslateX(double translateX) => _indexOfTranslateX(translateX, 0, mItemCount - 1); 225 | 226 | ///二分查找当前值的index 227 | int _indexOfTranslateX(double translateX, int start, int end) { 228 | if (end == start || end == -1) { 229 | return start; 230 | } 231 | if (end - start == 1) { 232 | double startValue = getX(start); 233 | double endValue = getX(end); 234 | return (translateX - startValue).abs() < (translateX - endValue).abs() ? start : end; 235 | } 236 | int mid = start + (end - start) ~/ 2; 237 | double midValue = getX(mid); 238 | if (translateX < midValue) { 239 | return _indexOfTranslateX(translateX, start, mid); 240 | } else if (translateX > midValue) { 241 | return _indexOfTranslateX(translateX, mid, end); 242 | } else { 243 | return mid; 244 | } 245 | } 246 | 247 | ///根据索引索取x坐标 248 | ///+ mPointWidth / 2防止第一根和最后一根k线显示不全 249 | ///@param position 索引值 250 | double getX(int position) => position * mPointWidth + mPointWidth / 2; 251 | 252 | Object getItem(int position) { 253 | if (datas != null) { 254 | return datas[position]; 255 | } else { 256 | return null; 257 | } 258 | } 259 | 260 | ///scrollX 转换为 TranslateX 261 | void setTranslateXFromScrollX(double scrollX) => mTranslateX = scrollX + getMinTranslateX(); 262 | 263 | ///获取平移的最小值 264 | double getMinTranslateX() { 265 | // var x = -mDataLen + mWidth / scaleX - mPointWidth / 2; 266 | var x = -mDataLen + mWidth / scaleX - mPointWidth / 2; 267 | x = x >= 0 ? 0.0 : x; 268 | //数据不足一屏 269 | if (x >= 0) { 270 | if (mWidth/scaleX - getX(datas.length) < mMarginRight) { 271 | //数据填充后剩余空间比mMarginRight小，求出差。x-=差 272 | x -= mMarginRight - mWidth/scaleX + getX(datas.length); 273 | } else { 274 | //数据填充后剩余空间比Right大 275 | mMarginRight = mWidth/scaleX - getX(datas.length); 276 | } 277 | } else if (x < 0) { 278 | //数据超过一屏 279 | x -= mMarginRight; 280 | } 281 | return x >= 0 ? 0.0 : x; 282 | } 283 | 284 | ///计算长按后x的值，转换为index 285 | int calculateSelectedX(double selectX) { 286 | int mSelectedIndex = indexOfTranslateX(xToTranslateX(selectX)); 287 | if (mSelectedIndex < mStartIndex) { 288 | mSelectedIndex = mStartIndex; 289 | } 290 | if (mSelectedIndex > mStopIndex) { 291 | mSelectedIndex = mStopIndex; 292 | } 293 | return mSelectedIndex; 294 | } 295 | 296 | ///translateX转化为view中的x 297 | double translateXtoX(double translateX) => (translateX + mTranslateX) * scaleX; 298 | 299 | TextStyle getTextStyle(Color color) { 300 | return TextStyle(fontSize: ChartStyle.defaultTextSize, color: color); 301 | } 302 | 303 | void drawRealTimePrice(Canvas canvas, Size size); 304 | 305 | String format(double n) { 306 | return NumberUtil.format(n); 307 | } 308 | 309 | @override 310 | bool shouldRepaint(BaseChartPainter oldDelegate) { 311 | return true; 312 | // return oldDelegate.datas != datas || 313 | // oldDelegate.datas?.length != datas?.length || 314 | // oldDelegate.scaleX != scaleX || 315 | // oldDelegate.scrollX != scrollX || 316 | // oldDelegate.isLongPress != isLongPress || 317 | // oldDelegate.selectX != selectX || 318 | // oldDelegate.isLine != isLine || 319 | // oldDelegate.mainState != mainState || 320 | // oldDelegate.secondaryState != secondaryState; 321 | } 322 | } 323 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/base_chart_renderer.dart: -------------------------------------------------------------------------------- 1 | 2 | import 'package:flutter/material.dart'; 3 | import 'package:flutter_k_chart/chart_style.dart'; 4 | import 'package:flutter_k_chart/utils/number_util.dart'; 5 | export '../chart_style.dart'; 6 | 7 | abstract class BaseChartRenderer { 8 | double maxValue, minValue; 9 | double scaleY; 10 | double topPadding; 11 | Rect chartRect; 12 | final Paint chartPaint = Paint() 13 | ..isAntiAlias = true 14 | ..filterQuality = FilterQuality.high 15 | ..strokeWidth = 1.0 16 | ..color = Colors.red; 17 | final Paint gridPaint = Paint() 18 | ..isAntiAlias = true 19 | ..filterQuality = FilterQuality.high 20 | ..strokeWidth = 0.5 21 | ..color = ChartColors.gridColor; 22 | 23 | BaseChartRenderer( 24 | {@required this.chartRect, 25 | @required this.maxValue, 26 | @required this.minValue, 27 | @required this.topPadding}) { 28 | if (maxValue == minValue) { 29 | maxValue += 0.5; 30 | minValue -= 0.5; 31 | } 32 | scaleY = chartRect.height / (maxValue - minValue); 33 | } 34 | 35 | double getY(double y) => (maxValue - y) * scaleY + chartRect.top; 36 | 37 | String format(double n) { 38 | return NumberUtil.format(n); 39 | } 40 | 41 | void drawGrid(Canvas canvas, int gridRows, int gridColumns); 42 | 43 | void drawText(Canvas canvas, T data, double x); 44 | 45 | void drawRightText(canvas, textStyle, int gridRows); 46 | 47 | void drawChart(T lastPoint, T curPoint, double lastX, double curX, Size size, Canvas canvas); 48 | 49 | void drawLine(double lastPrice, double curPrice, Canvas canvas, double lastX, double curX, Color color) { 50 | double lastY = getY(lastPrice); 51 | double curY = getY(curPrice); 52 | canvas.drawLine(Offset(lastX, lastY), Offset(curX, curY), chartPaint..color = color); 53 | } 54 | 55 | TextStyle getTextStyle(Color color){ 56 | return TextStyle(fontSize: ChartStyle.defaultTextSize,color: color); 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/chart_painter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async' show StreamSink; 2 | 3 | import 'package:flutter/material.dart'; 4 | import '../entity/k_line_entity.dart'; 5 | import '../utils/date_format_util.dart'; 6 | import '../entity/info_window_entity.dart'; 7 | 8 | import 'base_chart_painter.dart'; 9 | import 'base_chart_renderer.dart'; 10 | import 'main_renderer.dart'; 11 | import 'secondary_renderer.dart'; 12 | import 'vol_renderer.dart'; 13 | 14 | class ChartPainter extends BaseChartPainter { 15 | static get maxScrollX => BaseChartPainter.maxScrollX; 16 | BaseChartRenderer mMainRenderer, mVolRenderer, mSecondaryRenderer; 17 | StreamSink sink; 18 | AnimationController controller; 19 | double opacity; 20 | 21 | ChartPainter({@required datas, 22 | @required scaleX, 23 | @required scrollX, 24 | @required isLongPass, 25 | @required selectX, 26 | mainState, 27 | volState, 28 | secondaryState, 29 | this.sink, 30 | bool isLine, 31 | this.controller, 32 | this.opacity = 0.0}) 33 | : super( 34 | datas: datas, 35 | scaleX: scaleX, 36 | scrollX: scrollX, 37 | isLongPress: isLongPass, 38 | selectX: selectX, 39 | mainState: mainState, 40 | volState: volState, 41 | secondaryState: secondaryState, 42 | isLine: isLine); 43 | 44 | @override 45 | void initChartRenderer() { 46 | mMainRenderer ??= MainRenderer(mMainRect, mMainMaxValue, mMainMinValue, ChartStyle.topPadding, mainState, isLine); 47 | if(mVolRect != null){ 48 | mVolRenderer ??= VolRenderer(mVolRect, mVolMaxValue, mVolMinValue, ChartStyle.childPadding); 49 | } 50 | if (mSecondaryRect != null){ 51 | mSecondaryRenderer ??= SecondaryRenderer(mSecondaryRect, mSecondaryMaxValue, mSecondaryMinValue, ChartStyle.childPadding, secondaryState); 52 | } 53 | } 54 | 55 | final Paint mBgPaint = Paint()..color=ChartColors.bgColor; 56 | 57 | @override 58 | void drawBg(Canvas canvas, Size size) { 59 | if (mMainRect != null) { 60 | Rect mainRect = Rect.fromLTRB(0, 0, mMainRect.width, mMainRect.height + ChartStyle.topPadding); 61 | canvas.drawRect(mainRect, mBgPaint); 62 | } 63 | 64 | if (mVolRect != null) { 65 | Rect volRect = Rect.fromLTRB(0, mVolRect.top - ChartStyle.childPadding, mVolRect.width, mVolRect.bottom); 66 | canvas.drawRect(volRect, mBgPaint); 67 | } 68 | 69 | if (mSecondaryRect != null) { 70 | Rect secondaryRect = 71 | Rect.fromLTRB(0, mSecondaryRect.top - ChartStyle.childPadding, mSecondaryRect.width, mSecondaryRect.bottom); 72 | canvas.drawRect(secondaryRect, mBgPaint); 73 | } 74 | Rect dateRect = Rect.fromLTRB(0, size.height - ChartStyle.bottomDateHigh, size.width, size.height); 75 | canvas.drawRect(dateRect, mBgPaint); 76 | } 77 | 78 | @override 79 | void drawGrid(canvas) { 80 | mMainRenderer?.drawGrid(canvas, ChartStyle.gridRows, ChartStyle.gridColumns); 81 | mVolRenderer?.drawGrid(canvas, ChartStyle.gridRows, ChartStyle.gridColumns); 82 | mSecondaryRenderer?.drawGrid(canvas, ChartStyle.gridRows, ChartStyle.gridColumns); 83 | } 84 | 85 | @override 86 | void drawChart(Canvas canvas, Size size) { 87 | canvas.save(); 88 | canvas.translate(mTranslateX * scaleX, 0.0); 89 | canvas.scale(scaleX, 1.0); 90 | for (int i = mStartIndex; datas != null && i <= mStopIndex; i++) { 91 | KLineEntity curPoint = datas[i]; 92 | if (curPoint == null) continue; 93 | KLineEntity lastPoint = i == 0 ? curPoint : datas[i - 1]; 94 | double curX = getX(i); 95 | double lastX = i == 0 ? curX : getX(i - 1); 96 | 97 | mMainRenderer?.drawChart(lastPoint, curPoint, lastX, curX, size, canvas); 98 | mVolRenderer?.drawChart(lastPoint, curPoint, lastX, curX, size, canvas); 99 | mSecondaryRenderer?.drawChart(lastPoint, curPoint, lastX, curX, size, canvas); 100 | } 101 | 102 | if (isLongPress == true) drawCrossLine(canvas, size); 103 | canvas.restore(); 104 | } 105 | 106 | @override 107 | void drawRightText(canvas) { 108 | var textStyle = getTextStyle(ChartColors.yAxisTextColor); 109 | mMainRenderer?.drawRightText(canvas, textStyle, ChartStyle.gridRows); 110 | mVolRenderer?.drawRightText(canvas, textStyle, ChartStyle.gridRows); 111 | mSecondaryRenderer?.drawRightText(canvas, textStyle, ChartStyle.gridRows); 112 | } 113 | 114 | @override 115 | void drawDate(Canvas canvas, Size size) { 116 | double columnSpace = size.width / ChartStyle.gridColumns; 117 | double startX = getX(mStartIndex) - mPointWidth / 2; 118 | double stopX = getX(mStopIndex) + mPointWidth / 2; 119 | double y = 0.0; 120 | for (var i = 0; i <= ChartStyle.gridColumns; ++i) { 121 | double translateX = xToTranslateX(columnSpace * i); 122 | if (translateX >= startX && translateX <= stopX) { 123 | int index = indexOfTranslateX(translateX); 124 | if (datas[index] == null) continue; 125 | TextPainter tp = getTextPainter(getDate(datas[index].id),color: ChartColors.xAxisTextColor); 126 | y = size.height - (ChartStyle.bottomDateHigh - tp.height) / 2 - tp.height; 127 | tp.paint(canvas, Offset(columnSpace * i - tp.width / 2, y)); 128 | } 129 | } 130 | } 131 | 132 | Paint selectPointPaint = Paint() 133 | ..isAntiAlias = true 134 | ..strokeWidth = 0.5 135 | ..color = ChartColors.markerBgColor; 136 | Paint selectorBorderPaint = Paint() 137 | ..isAntiAlias = true 138 | ..strokeWidth = 0.5 139 | ..style = PaintingStyle.stroke 140 | ..color = ChartColors.markerBorderColor; 141 | 142 | @override 143 | void drawCrossLineText(Canvas canvas, Size size) { 144 | var index = calculateSelectedX(selectX); 145 | KLineEntity point = getItem(index); 146 | 147 | TextPainter tp = getTextPainter(format(point.close), color:Colors.white); 148 | double textHeight = tp.height; 149 | double textWidth = tp.width; 150 | 151 | double w1 = 5; 152 | double w2 = 3; 153 | double r = textHeight / 2 + w2; 154 | double y = getMainY(point.close); 155 | double x; 156 | bool isLeft = false; 157 | if (translateXtoX(getX(index)) < mWidth / 2) { 158 | isLeft = false; 159 | x = 1; 160 | Path path = new Path(); 161 | path.moveTo(x, y - r); 162 | path.lineTo(x, y + r); 163 | path.lineTo(textWidth + 2 * w1, y + r); 164 | path.lineTo(textWidth + 2 * w1 + w2, y); 165 | path.lineTo(textWidth + 2 * w1, y - r); 166 | path.close(); 167 | canvas.drawPath(path, selectPointPaint); 168 | canvas.drawPath(path, selectorBorderPaint); 169 | tp.paint(canvas, Offset(x + w1, y - textHeight / 2)); 170 | } else { 171 | isLeft = true; 172 | x = mWidth - textWidth - 1 - 2 * w1 - w2; 173 | Path path = new Path(); 174 | path.moveTo(x, y); 175 | path.lineTo(x + w2, y + r); 176 | path.lineTo(mWidth - 2, y + r); 177 | path.lineTo(mWidth - 2, y - r); 178 | path.lineTo(x + w2, y - r); 179 | path.close(); 180 | canvas.drawPath(path, selectPointPaint); 181 | canvas.drawPath(path, selectorBorderPaint); 182 | tp.paint(canvas, Offset(x + w1 + w2, y - textHeight / 2)); 183 | } 184 | 185 | TextPainter dateTp = getTextPainter(getDate(point.id),color: Colors.white); 186 | textWidth = dateTp.width; 187 | r = textHeight / 2; 188 | x = translateXtoX(getX(index)); 189 | y = size.height - ChartStyle.bottomDateHigh; 190 | 191 | if (x < textWidth + 2 * w1) { 192 | x = 1 + textWidth / 2 + w1; 193 | } else if (mWidth - x < textWidth + 2 * w1) { 194 | x = mWidth - 1 - textWidth / 2 - w1; 195 | } 196 | double baseLine = textHeight / 2; 197 | canvas.drawRect( 198 | Rect.fromLTRB(x - textWidth / 2 - w1, y, x + textWidth / 2 + w1, y + baseLine + r), selectPointPaint); 199 | canvas.drawRect(Rect.fromLTRB(x - textWidth / 2 - w1, y, x + textWidth / 2 + w1, y + baseLine + r), 200 | selectorBorderPaint); 201 | 202 | dateTp.paint(canvas, Offset(x - textWidth / 2, y)); 203 | //长按显示这条数据详情 204 | sink?.add(InfoWindowEntity(point, isLeft)); 205 | } 206 | 207 | @override 208 | void drawText(Canvas canvas, KLineEntity data, double x) { 209 | //长按显示按中的数据 210 | if (isLongPress) { 211 | var index = calculateSelectedX(selectX); 212 | data = getItem(index); 213 | } 214 | //松开显示最后一条数据 215 | mMainRenderer?.drawText(canvas, data, x); 216 | mVolRenderer?.drawText(canvas, data, x); 217 | mSecondaryRenderer?.drawText(canvas, data, x); 218 | } 219 | 220 | @override 221 | void drawMaxAndMin(Canvas canvas) { 222 | if (isLine == true) return; 223 | //绘制最大值和最小值 224 | double x = translateXtoX(getX(mMainMinIndex)); 225 | double y = getMainY(mMainLowMinValue); 226 | if (x < mWidth / 2) { 227 | //画右边 228 | TextPainter tp = getTextPainter("── ${format(mMainLowMinValue)}",color: ChartColors.maxMinTextColor); 229 | tp.paint(canvas, Offset(x, y - tp.height / 2)); 230 | } else { 231 | TextPainter tp = getTextPainter("${format(mMainLowMinValue)} ──",color: ChartColors.maxMinTextColor); 232 | tp.paint(canvas, Offset(x - tp.width, y - tp.height / 2)); 233 | } 234 | x = translateXtoX(getX(mMainMaxIndex)); 235 | y = getMainY(mMainHighMaxValue); 236 | if (x < mWidth / 2) { 237 | //画右边 238 | TextPainter tp = getTextPainter("── ${format(mMainHighMaxValue)}",color: ChartColors.maxMinTextColor); 239 | tp.paint(canvas, Offset(x, y - tp.height / 2)); 240 | } else { 241 | TextPainter tp = getTextPainter("${format(mMainHighMaxValue)} ──",color: ChartColors.maxMinTextColor); 242 | tp.paint(canvas, Offset(x - tp.width, y - tp.height / 2)); 243 | } 244 | } 245 | 246 | ///画交叉线 247 | void drawCrossLine(Canvas canvas, Size size) { 248 | var index = calculateSelectedX(selectX); 249 | KLineEntity point = getItem(index); 250 | Paint paintY = Paint() 251 | ..color = Colors.white12 252 | ..strokeWidth = ChartStyle.vCrossWidth 253 | ..isAntiAlias = true; 254 | double x = getX(index); 255 | double y = getMainY(point.close); 256 | // k线图竖线 257 | canvas.drawLine(Offset(x, ChartStyle.topPadding), Offset(x, size.height - ChartStyle.bottomDateHigh), paintY); 258 | 259 | Paint paintX = Paint() 260 | ..color = Colors.white 261 | ..strokeWidth = ChartStyle.hCrossWidth 262 | ..isAntiAlias = true; 263 | // k线图横线 264 | canvas.drawLine(Offset(-mTranslateX, y), Offset(-mTranslateX + mWidth / scaleX, y), paintX); 265 | canvas.drawCircle(Offset(x, y), 2.0, paintX); 266 | } 267 | 268 | final Paint realTimePaint = Paint() 269 | ..strokeWidth = 1.0 270 | ..isAntiAlias = true, 271 | pointPaint = Paint(); 272 | 273 | ///画实时价格线 274 | @override 275 | void drawRealTimePrice(Canvas canvas, Size size) { 276 | if (mMarginRight == 0 || datas?.isEmpty == true) return; 277 | KLineEntity point = datas.last; 278 | TextPainter tp = getTextPainter(format(point.close),color: ChartColors.rightRealTimeTextColor); 279 | double y = getMainY(point.close); 280 | //max越往右边滑值越小 281 | var max = (mTranslateX.abs() + mMarginRight - getMinTranslateX().abs() + mPointWidth) * scaleX; 282 | double x = mWidth - max; 283 | if (!isLine) x += mPointWidth / 2; 284 | var dashWidth = 10; 285 | var dashSpace = 5; 286 | double startX = 0; 287 | final space = (dashSpace + dashWidth); 288 | if (tp.width < max) { 289 | while (startX < max) { 290 | canvas.drawLine(Offset(x + startX, y), Offset(x + startX + dashWidth, y), 291 | realTimePaint..color = ChartColors.realTimeLineColor); 292 | startX += space; 293 | } 294 | //画一闪一闪 295 | if (isLine) { 296 | startAnimation(); 297 | Gradient pointGradient = 298 | RadialGradient(colors: [Colors.white.withOpacity(opacity ?? 0.0), Colors.transparent]); 299 | pointPaint.shader = pointGradient.createShader(Rect.fromCircle(center: Offset(x, y), radius: 14.0)); 300 | canvas.drawCircle(Offset(x, y), 14.0, pointPaint); 301 | canvas.drawCircle(Offset(x, y), 2.0, realTimePaint..color = Colors.white); 302 | } else { 303 | stopAnimation(); //停止一闪闪 304 | } 305 | double left = mWidth - tp.width; 306 | double top = y - tp.height / 2; 307 | canvas.drawRect(Rect.fromLTRB(left, top, left + tp.width, top + tp.height), 308 | realTimePaint..color = ChartColors.realTimeBgColor); 309 | tp.paint(canvas, Offset(left, top)); 310 | } else { 311 | stopAnimation(); //停止一闪闪 312 | startX = 0; 313 | if (point.close > mMainMaxValue) { 314 | y = getMainY(mMainMaxValue); 315 | } else if (point.close < mMainMinValue) { 316 | y = getMainY(mMainMinValue); 317 | } 318 | while (startX < mWidth) { 319 | canvas.drawLine(Offset(startX, y), Offset(startX + dashWidth, y), 320 | realTimePaint..color = ChartColors.realTimeLongLineColor); 321 | startX += space; 322 | } 323 | 324 | const padding = 3.0; 325 | const triangleHeight = 8.0; //三角高度 326 | const triangleWidth = 5.0; //三角宽度 327 | 328 | double left = mWidth - mWidth / ChartStyle.gridColumns - tp.width / 2 - padding * 2; 329 | double top = y - tp.height / 2 - padding; 330 | //加上三角形的宽以及padding 331 | double right = left + tp.width + padding * 2 + triangleWidth + padding; 332 | double bottom = top + tp.height + padding * 2; 333 | double radius = (bottom - top) / 2; 334 | //画椭圆背景 335 | RRect rectBg1 = RRect.fromLTRBR(left, top, right, bottom, Radius.circular(radius)); 336 | RRect rectBg2 = RRect.fromLTRBR(left - 1, top - 1, right + 1, bottom + 1, Radius.circular(radius + 2)); 337 | canvas.drawRRect(rectBg2, realTimePaint..color = ChartColors.realTimeTextBorderColor); 338 | canvas.drawRRect(rectBg1, realTimePaint..color = ChartColors.realTimeBgColor); 339 | tp = getTextPainter(format(point.close),color: ChartColors.realTimeTextColor); 340 | Offset textOffset = Offset(left + padding, y - tp.height / 2); 341 | tp.paint(canvas, textOffset); 342 | //画三角 343 | Path path = Path(); 344 | double dx = tp.width + textOffset.dx + padding; 345 | double dy = top + (bottom - top - triangleHeight) / 2; 346 | path.moveTo(dx, dy); 347 | path.lineTo(dx + triangleWidth, dy + triangleHeight / 2); 348 | path.lineTo(dx, dy + triangleHeight); 349 | path.close(); 350 | canvas.drawPath(path, realTimePaint..color = ChartColors.realTimeTextColor..shader=null); 351 | } 352 | } 353 | 354 | TextPainter getTextPainter(text, {color = Colors.white}) { 355 | TextSpan span = TextSpan(text: "$text", style: getTextStyle(color)); 356 | TextPainter tp = TextPainter(text: span, textDirection: TextDirection.ltr); 357 | tp.layout(); 358 | return tp; 359 | } 360 | 361 | String getDate(int date) => dateFormat(DateTime.fromMillisecondsSinceEpoch(date * 1000), mFormats); 362 | 363 | double getMainY(double y) => mMainRenderer?.getY(y) ?? 0.0; 364 | 365 | startAnimation() { 366 | if (controller?.isAnimating != true) controller?.repeat(reverse: true); 367 | } 368 | 369 | stopAnimation() { 370 | if (controller?.isAnimating == true) controller?.stop(); 371 | } 372 | } 373 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/main_renderer.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import '../entity/candle_entity.dart'; 3 | import '../k_chart_widget.dart' show MainState; 4 | import 'base_chart_renderer.dart'; 5 | 6 | class MainRenderer extends BaseChartRenderer { 7 | double mCandleWidth = ChartStyle.candleWidth; 8 | double mCandleLineWidth = ChartStyle.candleLineWidth; 9 | MainState state; 10 | bool isLine; 11 | 12 | double _contentPadding = 12.0; 13 | 14 | MainRenderer(Rect mainRect, double maxValue, double minValue, double topPadding, this.state, this.isLine) 15 | : super(chartRect: mainRect, maxValue: maxValue, minValue: minValue, topPadding: topPadding) { 16 | var diff = maxValue - minValue; //计算差 17 | var newScaleY = (chartRect.height - _contentPadding) / diff; //内容区域高度/差=新的比例 18 | var newDiff = chartRect.height / newScaleY; //高/新比例=新的差 19 | var value = (newDiff - diff) / 2; //新差-差/2=y轴需要扩大的值 20 | if (newDiff > diff) { 21 | this.scaleY = newScaleY; 22 | this.maxValue += value; 23 | this.minValue -= value; 24 | } 25 | } 26 | 27 | @override 28 | void drawText(Canvas canvas, CandleEntity data, double x) { 29 | if (isLine == true) return; 30 | TextSpan span; 31 | if (state == MainState.MA) { 32 | span = TextSpan( 33 | children: [ 34 | if (data.MA5Price != 0) 35 | TextSpan(text: "MA5:${format(data.MA5Price)} ", style: getTextStyle(ChartColors.ma5Color)), 36 | if (data.MA10Price != 0) 37 | TextSpan(text: "MA10:${format(data.MA10Price)} ", style: getTextStyle(ChartColors.ma10Color)), 38 | if (data.MA30Price != 0) 39 | TextSpan(text: "MA30:${format(data.MA30Price)} ", style: getTextStyle(ChartColors.ma30Color)), 40 | ], 41 | ); 42 | } else if (state == MainState.BOLL) { 43 | span = TextSpan( 44 | children: [ 45 | if (data.mb != 0) 46 | TextSpan(text: "BOLL:${format(data.mb)} ", style: getTextStyle(ChartColors.ma5Color)), 47 | if (data.up != 0) 48 | TextSpan(text: "UP:${format(data.up)} ", style: getTextStyle(ChartColors.ma10Color)), 49 | if (data.dn != 0) 50 | TextSpan(text: "LB:${format(data.dn)} ", style: getTextStyle(ChartColors.ma30Color)), 51 | ], 52 | ); 53 | } 54 | if (span == null) return; 55 | TextPainter tp = TextPainter(text: span, textDirection: TextDirection.ltr); 56 | tp.layout(); 57 | tp.paint(canvas, Offset(x, chartRect.top - topPadding)); 58 | } 59 | 60 | @override 61 | void drawChart( 62 | CandleEntity lastPoint, CandleEntity curPoint, double lastX, double curX, Size size, Canvas canvas) { 63 | if (isLine != true) drawCandle(curPoint, canvas, curX); 64 | if (isLine == true) { 65 | draLine(lastPoint.close, curPoint.close, canvas, lastX, curX); 66 | } else if (state == MainState.MA) { 67 | drawMaLine(lastPoint, curPoint, canvas, lastX, curX); 68 | } else if (state == MainState.BOLL) { 69 | drawBollLine(lastPoint, curPoint, canvas, lastX, curX); 70 | } 71 | } 72 | 73 | Shader mLineFillShader; 74 | Path mLinePath, mLineFillPath; 75 | Paint mLinePaint = Paint() 76 | ..isAntiAlias = true 77 | ..style = PaintingStyle.stroke 78 | ..strokeWidth = 1.0 79 | ..color = ChartColors.kLineColor; 80 | Paint mLineFillPaint = Paint() 81 | ..style = PaintingStyle.fill 82 | ..isAntiAlias = true; 83 | 84 | //画折线图 85 | draLine(double lastPrice, double curPrice, Canvas canvas, double lastX, double curX) { 86 | // drawLine(lastPrice + 100, curPrice + 100, canvas, lastX, curX, ChartColors.kLineColor); 87 | mLinePath ??= Path(); 88 | 89 | // if (lastX == curX) { 90 | // mLinePath.moveTo(lastX, getY(lastPrice)); 91 | // } else { 92 | //// mLinePath.lineTo(curX, getY(curPrice)); 93 | // mLinePath.cubicTo( 94 | // (lastX + curX) / 2, getY(lastPrice), (lastX + curX) / 2, getY(curPrice), curX, getY(curPrice)); 95 | // } 96 | if (lastX == curX) lastX = 0;//起点位置填充 97 | mLinePath.moveTo(lastX, getY(lastPrice)); 98 | mLinePath.cubicTo( 99 | (lastX + curX) / 2, getY(lastPrice), (lastX + curX) / 2, getY(curPrice), curX, getY(curPrice)); 100 | 101 | // //画阴影 102 | mLineFillShader ??= LinearGradient( 103 | begin: Alignment.topCenter, 104 | end: Alignment.bottomCenter, 105 | tileMode: TileMode.clamp, 106 | colors: ChartColors.kLineShadowColor, 107 | ).createShader(Rect.fromLTRB(chartRect.left, chartRect.top, chartRect.right, chartRect.bottom)); 108 | mLineFillPaint..shader = mLineFillShader; 109 | 110 | mLineFillPath ??= Path(); 111 | 112 | mLineFillPath.moveTo(lastX, chartRect.height + chartRect.top); 113 | mLineFillPath.lineTo(lastX, getY(lastPrice)); 114 | mLineFillPath.cubicTo( 115 | (lastX + curX) / 2, getY(lastPrice), (lastX + curX) / 2, getY(curPrice), curX, getY(curPrice)); 116 | mLineFillPath.lineTo(curX, chartRect.height + chartRect.top); 117 | mLineFillPath.close(); 118 | 119 | canvas.drawPath(mLineFillPath, mLineFillPaint); 120 | mLineFillPath.reset(); 121 | 122 | canvas.drawPath(mLinePath, mLinePaint); 123 | mLinePath.reset(); 124 | } 125 | 126 | void drawMaLine(CandleEntity lastPoint, CandleEntity curPoint, Canvas canvas, double lastX, double curX) { 127 | if (lastPoint.MA5Price != 0) { 128 | drawLine(lastPoint.MA5Price, curPoint.MA5Price, canvas, lastX, curX, ChartColors.ma5Color); 129 | } 130 | if (lastPoint.MA10Price != 0) { 131 | drawLine(lastPoint.MA10Price, curPoint.MA10Price, canvas, lastX, curX, ChartColors.ma10Color); 132 | } 133 | if (lastPoint.MA30Price != 0) { 134 | drawLine(lastPoint.MA30Price, curPoint.MA30Price, canvas, lastX, curX, ChartColors.ma30Color); 135 | } 136 | } 137 | 138 | void drawBollLine(CandleEntity lastPoint, CandleEntity curPoint, Canvas canvas, double lastX, double curX) { 139 | if (lastPoint.up != 0) { 140 | drawLine(lastPoint.up, curPoint.up, canvas, lastX, curX, ChartColors.ma10Color); 141 | } 142 | if (lastPoint.mb != 0) { 143 | drawLine(lastPoint.mb, curPoint.mb, canvas, lastX, curX, ChartColors.ma5Color); 144 | } 145 | if (lastPoint.dn != 0) { 146 | drawLine(lastPoint.dn, curPoint.dn, canvas, lastX, curX, ChartColors.ma30Color); 147 | } 148 | } 149 | 150 | void drawCandle(CandleEntity curPoint, Canvas canvas, double curX) { 151 | var high = getY(curPoint.high); 152 | var low = getY(curPoint.low); 153 | var open = getY(curPoint.open); 154 | var close = getY(curPoint.close); 155 | double r = mCandleWidth / 2; 156 | double lineR = mCandleLineWidth / 2; 157 | 158 | if (open > close) { 159 | chartPaint.color = ChartColors.upColor; 160 | canvas.drawRect(Rect.fromLTRB(curX - r, close, curX + r, open), chartPaint); 161 | canvas.drawRect(Rect.fromLTRB(curX - lineR, high, curX + lineR, low), chartPaint); 162 | } else { 163 | chartPaint.color = ChartColors.dnColor; 164 | canvas.drawRect(Rect.fromLTRB(curX - r, open, curX + r, close), chartPaint); 165 | canvas.drawRect(Rect.fromLTRB(curX - lineR, high, curX + lineR, low), chartPaint); 166 | } 167 | } 168 | 169 | @override 170 | void drawRightText(canvas, textStyle, int gridRows) { 171 | double rowSpace = chartRect.height / gridRows; 172 | for (var i = 0; i <= gridRows; ++i) { 173 | double position = 0; 174 | if (i == 0) { 175 | position = (gridRows - i) * rowSpace - _contentPadding / 2; 176 | } else if (i == gridRows) { 177 | position = (gridRows - i) * rowSpace + _contentPadding / 2; 178 | } else { 179 | position = (gridRows - i) * rowSpace; 180 | } 181 | var value = position / scaleY + minValue; 182 | TextSpan span = TextSpan(text: "${format(value)}", style: textStyle); 183 | TextPainter tp = TextPainter(text: span, textDirection: TextDirection.ltr); 184 | tp.layout(); 185 | double y; 186 | if (i == 0||i == gridRows) { 187 | y = getY(value) - tp.height / 2; 188 | } else { 189 | y = getY(value) - tp.height; 190 | } 191 | tp.paint(canvas, Offset(chartRect.width - tp.width, y)); 192 | } 193 | } 194 | 195 | @override 196 | void drawGrid(Canvas canvas, int gridRows, int gridColumns) { 197 | // final int gridRows = 4, gridColumns = 4; 198 | double rowSpace = chartRect.height / gridRows; 199 | for (int i = 0; i <= gridRows; i++) { 200 | canvas.drawLine(Offset(0, rowSpace * i + topPadding), 201 | Offset(chartRect.width, rowSpace * i + topPadding), gridPaint); 202 | } 203 | double columnSpace = chartRect.width / gridColumns; 204 | for (int i = 0; i <= columnSpace; i++) { 205 | canvas.drawLine( 206 | Offset(columnSpace * i, topPadding / 3), Offset(columnSpace * i, chartRect.bottom), gridPaint); 207 | } 208 | } 209 | } 210 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/secondary_renderer.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import '../entity/macd_entity.dart'; 5 | import '../k_chart_widget.dart' show SecondaryState; 6 | 7 | import 'base_chart_renderer.dart'; 8 | 9 | class SecondaryRenderer extends BaseChartRenderer { 10 | double mMACDWidth = ChartStyle.macdWidth; 11 | SecondaryState state; 12 | 13 | SecondaryRenderer(Rect mainRect, double maxValue, double minValue, double topPadding, this.state) 14 | : super(chartRect: mainRect, maxValue: maxValue, minValue: minValue, topPadding: topPadding); 15 | 16 | @override 17 | void drawChart( 18 | MACDEntity lastPoint, MACDEntity curPoint, double lastX, double curX, Size size, Canvas canvas) { 19 | switch (state) { 20 | case SecondaryState.MACD: 21 | drawMACD(curPoint, canvas, curX, lastPoint, lastX); 22 | break; 23 | case SecondaryState.KDJ: 24 | if (lastPoint.k != 0) drawLine(lastPoint.k, curPoint.k, canvas, lastX, curX, ChartColors.kColor); 25 | if (lastPoint.d != 0) drawLine(lastPoint.d, curPoint.d, canvas, lastX, curX, ChartColors.dColor); 26 | if (lastPoint.j != 0) drawLine(lastPoint.j, curPoint.j, canvas, lastX, curX, ChartColors.jColor); 27 | break; 28 | case SecondaryState.RSI: 29 | if (lastPoint.rsi != 0) 30 | drawLine(lastPoint.rsi, curPoint.rsi, canvas, lastX, curX, ChartColors.rsiColor); 31 | break; 32 | case SecondaryState.WR: 33 | if (lastPoint.r != 0) drawLine(lastPoint.r, curPoint.r, canvas, lastX, curX, ChartColors.rsiColor); 34 | break; 35 | default: 36 | break; 37 | } 38 | } 39 | 40 | void drawMACD(MACDEntity curPoint, Canvas canvas, double curX, MACDEntity lastPoint, double lastX) { 41 | double macdY = getY(curPoint.macd); 42 | double r = mMACDWidth / 2; 43 | double zeroy = getY(0); 44 | if (curPoint.macd > 0) { 45 | canvas.drawRect( 46 | Rect.fromLTRB(curX - r, macdY, curX + r, zeroy), chartPaint..color = ChartColors.upColor); 47 | } else { 48 | canvas.drawRect( 49 | Rect.fromLTRB(curX - r, zeroy, curX + r, macdY), chartPaint..color = ChartColors.dnColor); 50 | } 51 | if (lastPoint.dif != 0) { 52 | drawLine(lastPoint.dif, curPoint.dif, canvas, lastX, curX, ChartColors.difColor); 53 | } 54 | if (lastPoint.dea != 0) { 55 | drawLine(lastPoint.dea, curPoint.dea, canvas, lastX, curX, ChartColors.deaColor); 56 | } 57 | } 58 | 59 | @override 60 | void drawText(Canvas canvas, MACDEntity data, double x) { 61 | ; 62 | List children; 63 | switch (state) { 64 | case SecondaryState.MACD: 65 | children = [ 66 | TextSpan(text: "MACD(12,26,9) ", style: getTextStyle(ChartColors.yAxisTextColor)), 67 | if (data.macd != 0) 68 | TextSpan(text: "MACD:${format(data.macd)} ", style: getTextStyle(ChartColors.macdColor)), 69 | if (data.dif != 0) 70 | TextSpan(text: "DIF:${format(data.dif)} ", style: getTextStyle(ChartColors.difColor)), 71 | if (data.dea != 0) 72 | TextSpan(text: "DEA:${format(data.dea)} ", style: getTextStyle(ChartColors.deaColor)), 73 | ]; 74 | break; 75 | case SecondaryState.KDJ: 76 | children = [ 77 | TextSpan(text: "KDJ(14,1,3) ", style: getTextStyle(ChartColors.yAxisTextColor)), 78 | if (data.macd != 0) 79 | TextSpan(text: "K:${format(data.k)} ", style: getTextStyle(ChartColors.kColor)), 80 | if (data.dif != 0) 81 | TextSpan(text: "D:${format(data.d)} ", style: getTextStyle(ChartColors.dColor)), 82 | if (data.dea != 0) 83 | TextSpan(text: "J:${format(data.j)} ", style: getTextStyle(ChartColors.jColor)), 84 | ]; 85 | break; 86 | case SecondaryState.RSI: 87 | children = [ 88 | TextSpan(text: "RSI(14):${format(data.rsi)} ", style: getTextStyle(ChartColors.rsiColor)), 89 | ]; 90 | break; 91 | case SecondaryState.WR: 92 | children = [ 93 | TextSpan(text: "WR(14):${format(data.r)} ", style: getTextStyle(ChartColors.rsiColor)), 94 | ]; 95 | break; 96 | default: 97 | break; 98 | } 99 | TextPainter tp = TextPainter(text: TextSpan(children: children ?? []), textDirection: TextDirection.ltr); 100 | tp.layout(); 101 | tp.paint(canvas, Offset(x, chartRect.top - topPadding)); 102 | } 103 | 104 | @override 105 | void drawRightText(canvas, textStyle, int gridRows) { 106 | TextPainter maxTp = TextPainter( 107 | text: TextSpan(text: "${format(maxValue)}", style: textStyle), textDirection: TextDirection.ltr); 108 | maxTp.layout(); 109 | TextPainter minTp = TextPainter( 110 | text: TextSpan(text: "${format(minValue)}", style: textStyle), textDirection: TextDirection.ltr); 111 | minTp.layout(); 112 | 113 | maxTp.paint(canvas, Offset(chartRect.width - maxTp.width, chartRect.top - topPadding)); 114 | minTp.paint(canvas, Offset(chartRect.width - minTp.width, chartRect.bottom - minTp.height)); 115 | } 116 | 117 | @override 118 | void drawGrid(Canvas canvas, int gridRows, int gridColumns) { 119 | canvas.drawLine(Offset(0, chartRect.bottom), Offset(chartRect.width, chartRect.bottom), gridPaint); 120 | double columnSpace = chartRect.width / gridColumns; 121 | for (int i = 0; i <= columnSpace; i++) { 122 | //mSecondaryRect垂直线 123 | canvas.drawLine(Offset(columnSpace * i, chartRect.top - topPadding), 124 | Offset(columnSpace * i, chartRect.bottom), gridPaint); 125 | } 126 | } 127 | } 128 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/renderer/vol_renderer.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import '../entity/volume_entity.dart'; 5 | import '../renderer/base_chart_renderer.dart'; 6 | import '../utils/number_util.dart'; 7 | 8 | class VolRenderer extends BaseChartRenderer { 9 | double mVolWidth = ChartStyle.volWidth; 10 | 11 | VolRenderer(Rect mainRect, double maxValue, double minValue, double topPadding) 12 | : super(chartRect: mainRect, maxValue: maxValue, minValue: minValue, topPadding: topPadding); 13 | 14 | @override 15 | void drawChart( 16 | VolumeEntity lastPoint, VolumeEntity curPoint, double lastX, double curX, Size size, Canvas canvas) { 17 | double r = mVolWidth / 2; 18 | double top = getY(curPoint.vol); 19 | double bottom = chartRect.bottom; 20 | canvas.drawRect(Rect.fromLTRB(curX - r, top, curX + r, bottom), 21 | chartPaint..color = curPoint.close >= curPoint.open ? ChartColors.upColor : ChartColors.dnColor); 22 | 23 | if (lastPoint.MA5Volume != 0) { 24 | drawLine(lastPoint.MA5Volume, curPoint.MA5Volume, canvas, lastX, curX, ChartColors.ma5Color); 25 | } 26 | 27 | if (lastPoint.MA10Volume != 0) { 28 | drawLine(lastPoint.MA10Volume, curPoint.MA10Volume, canvas, lastX, curX, ChartColors.ma10Color); 29 | } 30 | } 31 | 32 | @override 33 | double getY(double y){ 34 | if (maxValue == 0) return chartRect.bottom; 35 | return (maxValue - y) * (chartRect.height / maxValue) + chartRect.top; 36 | } 37 | 38 | @override 39 | void drawText(Canvas canvas, VolumeEntity data, double x) { 40 | TextSpan span = TextSpan( 41 | children: [ 42 | TextSpan(text: "VOL:${NumberUtil.volFormat(data.vol)} ", style: getTextStyle(ChartColors.volColor)), 43 | TextSpan(text: "MA5:${NumberUtil.volFormat(data.MA5Volume)} ", style: getTextStyle(ChartColors.ma5Color)), 44 | TextSpan(text: "MA10:${NumberUtil.volFormat(data.MA10Volume)} ", style: getTextStyle(ChartColors.ma10Color)), 45 | ], 46 | ); 47 | TextPainter tp = TextPainter(text: span, textDirection: TextDirection.ltr); 48 | tp.layout(); 49 | tp.paint(canvas, Offset(x, chartRect.top - topPadding)); 50 | } 51 | 52 | @override 53 | void drawRightText(canvas, textStyle, int gridRows) { 54 | TextSpan span = TextSpan(text: "${NumberUtil.volFormat(maxValue)}", style: textStyle); 55 | TextPainter tp = TextPainter(text: span, textDirection: TextDirection.ltr); 56 | tp.layout(); 57 | tp.paint(canvas, Offset(chartRect.width - tp.width, chartRect.top - topPadding)); 58 | } 59 | 60 | @override 61 | void drawGrid(Canvas canvas, int gridRows, int gridColumns) { 62 | canvas.drawLine(Offset(0, chartRect.bottom), Offset(chartRect.width, chartRect.bottom), gridPaint); 63 | double columnSpace = chartRect.width / gridColumns; 64 | for (int i = 0; i <= columnSpace; i++) { 65 | //vol垂直线 66 | canvas.drawLine(Offset(columnSpace * i, chartRect.top - topPadding), 67 | Offset(columnSpace * i, chartRect.bottom), gridPaint); 68 | } 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/utils/data_util.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | 3 | import '../entity/k_line_entity.dart'; 4 | 5 | class DataUtil { 6 | static calculate(List dataList) { 7 | if (dataList == null) return; 8 | _calcMA(dataList); 9 | _calcBOLL(dataList); 10 | _calcVolumeMA(dataList); 11 | _calcKDJ(dataList); 12 | _calcMACD(dataList); 13 | _calcRSI(dataList); 14 | _calcWR(dataList); 15 | } 16 | 17 | static _calcMA(List dataList, [bool isLast = false]) { 18 | double ma5 = 0; 19 | double ma10 = 0; 20 | double ma20 = 0; 21 | double ma30 = 0; 22 | // double ma60 = 0; 23 | 24 | int i = 0; 25 | if (isLast && dataList.length > 1) { 26 | i = dataList.length - 1; 27 | var data = dataList[dataList.length - 2]; 28 | ma5 = data.MA5Price * 5; 29 | ma10 = data.MA10Price * 10; 30 | ma20 = data.MA20Price * 20; 31 | ma30 = data.MA30Price * 30; 32 | // ma60 = data.MA60Price * 60; 33 | } 34 | for (; i < dataList.length; i++) { 35 | KLineEntity entity = dataList[i]; 36 | final closePrice = entity.close; 37 | ma5 += closePrice; 38 | ma10 += closePrice; 39 | ma20 += closePrice; 40 | ma30 += closePrice; 41 | // ma60 += closePrice; 42 | 43 | if (i == 4) { 44 | entity.MA5Price = ma5 / 5; 45 | } else if (i >= 5) { 46 | ma5 -= dataList[i - 5].close; 47 | entity.MA5Price = ma5 / 5; 48 | } else { 49 | entity.MA5Price = 0; 50 | } 51 | if (i == 9) { 52 | entity.MA10Price = ma10 / 10; 53 | } else if (i >= 10) { 54 | ma10 -= dataList[i - 10].close; 55 | entity.MA10Price = ma10 / 10; 56 | } else { 57 | entity.MA10Price = 0; 58 | } 59 | if (i == 19) { 60 | entity.MA20Price = ma20 / 20; 61 | } else if (i >= 20) { 62 | ma20 -= dataList[i - 20].close; 63 | entity.MA20Price = ma20 / 20; 64 | } else { 65 | entity.MA20Price = 0; 66 | } 67 | if (i == 29) { 68 | entity.MA30Price = ma30 / 30; 69 | } else if (i >= 30) { 70 | ma30 -= dataList[i - 30].close; 71 | entity.MA30Price = ma30 / 30; 72 | } else { 73 | entity.MA30Price = 0; 74 | } 75 | // if (i == 59) { 76 | // entity.MA60Price = ma60 / 60; 77 | // } else if (i >= 60) { 78 | // ma60 -= dataList[i - 60].close; 79 | // entity.MA60Price = ma60 / 60; 80 | // } else { 81 | // entity.MA60Price = 0; 82 | // } 83 | } 84 | } 85 | 86 | static void _calcBOLL(List dataList, [bool isLast = false]) { 87 | int i = 0; 88 | if (isLast && dataList.length > 1) { 89 | i = dataList.length - 1; 90 | } 91 | for (; i < dataList.length; i++) { 92 | KLineEntity entity = dataList[i]; 93 | if (i < 19) { 94 | entity.mb = 0; 95 | entity.up = 0; 96 | entity.dn = 0; 97 | } else { 98 | int n = 20; 99 | double md = 0; 100 | for (int j = i - n + 1; j <= i; j++) { 101 | double c = dataList[j].close; 102 | double m = entity.MA20Price; 103 | double value = c - m; 104 | md += value * value; 105 | } 106 | md = md / (n - 1); 107 | md = sqrt(md); 108 | entity.mb = entity.MA20Price; 109 | entity.up = entity.mb + 2.0 * md; 110 | entity.dn = entity.mb - 2.0 * md; 111 | } 112 | } 113 | } 114 | 115 | static void _calcMACD(List dataList, [bool isLast = false]) { 116 | double ema12 = 0; 117 | double ema26 = 0; 118 | double dif = 0; 119 | double dea = 0; 120 | double macd = 0; 121 | 122 | int i = 0; 123 | if (isLast && dataList.length > 1) { 124 | i = dataList.length - 1; 125 | var data = dataList[dataList.length - 2]; 126 | dif = data.dif; 127 | dea = data.dea; 128 | macd = data.macd; 129 | ema12 = data.ema12; 130 | ema26 = data.ema26; 131 | } 132 | 133 | for (; i < dataList.length; i++) { 134 | KLineEntity entity = dataList[i]; 135 | final closePrice = entity.close; 136 | if (i == 0) { 137 | ema12 = closePrice; 138 | ema26 = closePrice; 139 | } else { 140 | // EMA（12） = 前一日EMA（12） X 11/13 + 今日收盘价 X 2/13 141 | ema12 = ema12 * 11 / 13 + closePrice * 2 / 13; 142 | // EMA（26） = 前一日EMA（26） X 25/27 + 今日收盘价 X 2/27 143 | ema26 = ema26 * 25 / 27 + closePrice * 2 / 27; 144 | } 145 | // DIF = EMA（12） - EMA（26） 。 146 | // 今日DEA = （前一日DEA X 8/10 + 今日DIF X 2/10） 147 | // 用（DIF-DEA）*2即为MACD柱状图。 148 | dif = ema12 - ema26; 149 | dea = dea * 8 / 10 + dif * 2 / 10; 150 | macd = (dif - dea) * 2; 151 | entity.dif = dif; 152 | entity.dea = dea; 153 | entity.macd = macd; 154 | entity.ema12 = ema12; 155 | entity.ema26 = ema26; 156 | } 157 | } 158 | 159 | static void _calcVolumeMA(List dataList, [bool isLast = false]) { 160 | double volumeMa5 = 0; 161 | double volumeMa10 = 0; 162 | 163 | int i = 0; 164 | if (isLast && dataList.length > 1) { 165 | i = dataList.length - 1; 166 | var data = dataList[dataList.length - 2]; 167 | volumeMa5 = data.MA5Volume * 5; 168 | volumeMa10 = data.MA10Volume * 10; 169 | } 170 | 171 | for (; i < dataList.length; i++) { 172 | KLineEntity entry = dataList[i]; 173 | 174 | volumeMa5 += entry.vol; 175 | volumeMa10 += entry.vol; 176 | 177 | if (i == 4) { 178 | entry.MA5Volume = (volumeMa5 / 5); 179 | } else if (i > 4) { 180 | volumeMa5 -= dataList[i - 5].vol; 181 | entry.MA5Volume = volumeMa5 / 5; 182 | } else { 183 | entry.MA5Volume = 0; 184 | } 185 | 186 | if (i == 9) { 187 | entry.MA10Volume = volumeMa10 / 10; 188 | } else if (i > 9) { 189 | volumeMa10 -= dataList[i - 10].vol; 190 | entry.MA10Volume = volumeMa10 / 10; 191 | } else { 192 | entry.MA10Volume = 0; 193 | } 194 | } 195 | } 196 | 197 | static void _calcRSI(List dataList, [bool isLast = false]) { 198 | double rsi; 199 | double rsiABSEma = 0; 200 | double rsiMaxEma = 0; 201 | 202 | int i = 0; 203 | if (isLast && dataList.length > 1) { 204 | i = dataList.length - 1; 205 | var data = dataList[dataList.length - 2]; 206 | rsi = data.rsi; 207 | rsiABSEma = data.rsiABSEma; 208 | rsiMaxEma = data.rsiMaxEma; 209 | } 210 | 211 | for (; i < dataList.length; i++) { 212 | KLineEntity entity = dataList[i]; 213 | final double closePrice = entity.close; 214 | if (i == 0) { 215 | rsi = 0; 216 | rsiABSEma = 0; 217 | rsiMaxEma = 0; 218 | } else { 219 | double Rmax = max(0, closePrice - dataList[i - 1].close); 220 | double RAbs = (closePrice - dataList[i - 1].close).abs(); 221 | 222 | rsiMaxEma = (Rmax + (14 - 1) * rsiMaxEma) / 14; 223 | rsiABSEma = (RAbs + (14 - 1) * rsiABSEma) / 14; 224 | rsi = (rsiMaxEma / rsiABSEma) * 100; 225 | } 226 | if (i < 13) rsi = 0; 227 | if (rsi.isNaN) rsi = 0; 228 | entity.rsi = rsi; 229 | entity.rsiABSEma = rsiABSEma; 230 | entity.rsiMaxEma = rsiMaxEma; 231 | } 232 | } 233 | 234 | static void _calcKDJ(List dataList, [bool isLast = false]) { 235 | double k = 0; 236 | double d = 0; 237 | 238 | int i = 0; 239 | if (isLast && dataList.length > 1) { 240 | i = dataList.length - 1; 241 | var data = dataList[dataList.length - 2]; 242 | k = data.k; 243 | d = data.d; 244 | } 245 | 246 | for (; i < dataList.length; i++) { 247 | KLineEntity entity = dataList[i]; 248 | final double closePrice = entity.close; 249 | int startIndex = i - 13; 250 | if (startIndex < 0) { 251 | startIndex = 0; 252 | } 253 | double max14 = -double.maxFinite; 254 | double min14 = double.maxFinite; 255 | for (int index = startIndex; index <= i; index++) { 256 | max14 = max(max14, dataList[index].high); 257 | min14 = min(min14, dataList[index].low); 258 | } 259 | double rsv = 100 * (closePrice - min14) / (max14 - min14); 260 | if (rsv.isNaN) { 261 | rsv = 0; 262 | } 263 | if (i == 0) { 264 | k = 50; 265 | d = 50; 266 | } else { 267 | k = (rsv + 2 * k) / 3; 268 | d = (k + 2 * d) / 3; 269 | } 270 | if (i < 13) { 271 | entity.k = 0; 272 | entity.d = 0; 273 | entity.j = 0; 274 | } else if (i == 13 || i == 14) { 275 | entity.k = k; 276 | entity.d = 0; 277 | entity.j = 0; 278 | } else { 279 | entity.k = k; 280 | entity.d = d; 281 | entity.j = 3 * k - 2 * d; 282 | } 283 | } 284 | } 285 | 286 | //WR(N) = 100 * [ HIGH(N)-C ] / [ HIGH(N)-LOW(N) ] 287 | static void _calcWR(List dataList, [bool isLast = false]) { 288 | int i = 0; 289 | if (isLast && dataList.length > 1) { 290 | i = dataList.length - 1; 291 | } 292 | for (; i < dataList.length; i++) { 293 | KLineEntity entity = dataList[i]; 294 | int startIndex = i - 14; 295 | if (startIndex < 0) { 296 | startIndex = 0; 297 | } 298 | double max14 = -double.maxFinite; 299 | double min14 = double.maxFinite; 300 | for (int index = startIndex; index <= i; index++) { 301 | max14 = max(max14, dataList[index].high); 302 | min14 = min(min14, dataList[index].low); 303 | } 304 | if (i < 13) { 305 | entity.r = 0; 306 | } else { 307 | if ((max14 - min14) == 0) { 308 | entity.r = 0; 309 | } else { 310 | entity.r = 100 * (max14 - dataList[i].close) / (max14 - min14); 311 | } 312 | } 313 | } 314 | } 315 | 316 | //增量更新时计算最后一个数据 317 | static addLastData(List dataList, KLineEntity data) { 318 | if (dataList == null || data == null) return; 319 | dataList.add(data); 320 | _calcMA(dataList, true); 321 | _calcBOLL(dataList, true); 322 | _calcVolumeMA(dataList, true); 323 | _calcKDJ(dataList, true); 324 | _calcMACD(dataList, true); 325 | _calcRSI(dataList, true); 326 | _calcWR(dataList, true); 327 | } 328 | 329 | //更新最后一条数据 330 | static updateLastData(List dataList) { 331 | if (dataList == null) return; 332 | _calcMA(dataList, true); 333 | _calcBOLL(dataList, true); 334 | _calcVolumeMA(dataList, true); 335 | _calcKDJ(dataList, true); 336 | _calcMACD(dataList, true); 337 | _calcRSI(dataList, true); 338 | _calcWR(dataList, true); 339 | } 340 | } 341 | -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/utils/date_format_util.dart: -------------------------------------------------------------------------------- 1 | /// Outputs year as four digits 2 | /// 3 | /// Example: 4 | /// formatDate(DateTime(1989), [yyyy]); 5 | /// // => 1989 6 | const String yyyy = 'yyyy'; 7 | 8 | /// Outputs year as two digits 9 | /// 10 | /// Example: 11 | /// formatDate(DateTime(1989), [yy]); 12 | /// // => 89 13 | const String yy = 'yy'; 14 | 15 | /// Outputs month as two digits 16 | /// 17 | /// Example: 18 | /// formatDate(DateTime(1989, 11), [mm]); 19 | /// // => 11 20 | /// formatDate(DateTime(1989, 5), [mm]); 21 | /// // => 05 22 | const String mm = 'mm'; 23 | 24 | /// Outputs month compactly 25 | /// 26 | /// Example: 27 | /// formatDate(DateTime(1989, 11), [mm]); 28 | /// // => 11 29 | /// formatDate(DateTime(1989, 5), [m]); 30 | /// // => 5 31 | const String m = 'm'; 32 | 33 | /// Outputs month as long name 34 | /// 35 | /// Example: 36 | /// formatDate(DateTime(1989, 2), [MM]); 37 | /// // => february 38 | const String MM = 'MM'; 39 | 40 | /// Outputs month as short name 41 | /// 42 | /// Example: 43 | /// formatDate(DateTime(1989, 2), [M]); 44 | /// // => feb 45 | const String M = 'M'; 46 | 47 | /// Outputs day as two digits 48 | /// 49 | /// Example: 50 | /// formatDate(DateTime(1989, 2, 21), [dd]); 51 | /// // => 21 52 | /// formatDate(DateTime(1989, 2, 5), [dd]); 53 | /// // => 05 54 | const String dd = 'dd'; 55 | 56 | /// Outputs day compactly 57 | /// 58 | /// Example: 59 | /// formatDate(DateTime(1989, 2, 21), [d]); 60 | /// // => 21 61 | /// formatDate(DateTime(1989, 2, 5), [d]); 62 | /// // => 5 63 | const String d = 'd'; 64 | 65 | /// Outputs week in month 66 | /// 67 | /// Example: 68 | /// formatDate(DateTime(1989, 2, 21), [w]); 69 | /// // => 4 70 | const String w = 'w'; 71 | 72 | /// Outputs week in year as two digits 73 | /// 74 | /// Example: 75 | /// formatDate(DateTime(1989, 12, 31), [W]); 76 | /// // => 53 77 | /// formatDate(DateTime(1989, 2, 21), [W]); 78 | /// // => 08 79 | const String WW = 'WW'; 80 | 81 | /// Outputs week in year compactly 82 | /// 83 | /// Example: 84 | /// formatDate(DateTime(1989, 2, 21), [W]); 85 | /// // => 8 86 | const String W = 'W'; 87 | 88 | /// Outputs week day as long name 89 | /// 90 | /// Example: 91 | /// formatDate(DateTime(2018, 1, 14), [DD]); 92 | /// // => sunday 93 | const String DD = 'DD'; 94 | 95 | /// Outputs week day as long name 96 | /// 97 | /// Example: 98 | /// formatDate(DateTime(2018, 1, 14), [D]); 99 | /// // => sun 100 | const String D = 'D'; 101 | 102 | /// Outputs hour (0 - 11) as two digits 103 | /// 104 | /// Example: 105 | /// formatDate(DateTime(1989, 02, 1, 15), [hh]); 106 | /// // => 03 107 | const String hh = 'hh'; 108 | 109 | /// Outputs hour (0 - 11) compactly 110 | /// 111 | /// Example: 112 | /// formatDate(DateTime(1989, 02, 1, 15), [h]); 113 | /// // => 3 114 | const String h = 'h'; 115 | 116 | /// Outputs hour (0 to 23) as two digits 117 | /// 118 | /// Example: 119 | /// formatDate(DateTime(1989, 02, 1, 15), [HH]); 120 | /// // => 15 121 | const String HH = 'HH'; 122 | 123 | /// Outputs hour (0 to 23) compactly 124 | /// 125 | /// Example: 126 | /// formatDate(DateTime(1989, 02, 1, 5), [H]); 127 | /// // => 5 128 | const String H = 'H'; 129 | 130 | /// Outputs minute as two digits 131 | /// 132 | /// Example: 133 | /// formatDate(DateTime(1989, 02, 1, 15, 40), [nn]); 134 | /// // => 40 135 | /// formatDate(DateTime(1989, 02, 1, 15, 4), [nn]); 136 | /// // => 04 137 | const String nn = 'nn'; 138 | 139 | /// Outputs minute compactly 140 | /// 141 | /// Example: 142 | /// formatDate(DateTime(1989, 02, 1, 15, 4), [n]); 143 | /// // => 4 144 | const String n = 'n'; 145 | 146 | /// Outputs second as two digits 147 | /// 148 | /// Example: 149 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10), [ss]); 150 | /// // => 10 151 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 5), [ss]); 152 | /// // => 05 153 | const String ss = 'ss'; 154 | 155 | /// Outputs second compactly 156 | /// 157 | /// Example: 158 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 5), [s]); 159 | /// // => 5 160 | const String s = 's'; 161 | 162 | /// Outputs millisecond as three digits 163 | /// 164 | /// Example: 165 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 999), [SSS]); 166 | /// // => 999 167 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 99), [SS]); 168 | /// // => 099 169 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0), [SS]); 170 | /// // => 009 171 | const String SSS = 'SSS'; 172 | 173 | /// Outputs millisecond compactly 174 | /// 175 | /// Example: 176 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 999), [SSS]); 177 | /// // => 999 178 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 99), [SS]); 179 | /// // => 99 180 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 9), [SS]); 181 | /// // => 9 182 | const String S = 'S'; 183 | 184 | /// Outputs microsecond as three digits 185 | /// 186 | /// Example: 187 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 999), [uuu]); 188 | /// // => 999 189 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 99), [uuu]); 190 | /// // => 099 191 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 9), [uuu]); 192 | /// // => 009 193 | const String uuu = 'uuu'; 194 | 195 | /// Outputs millisecond compactly 196 | /// 197 | /// Example: 198 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 999), [u]); 199 | /// // => 999 200 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 99), [u]); 201 | /// // => 99 202 | /// formatDate(DateTime(1989, 02, 1, 15, 40, 10, 0, 9), [u]); 203 | /// // => 9 204 | const String u = 'u'; 205 | 206 | /// Outputs if hour is AM or PM 207 | /// 208 | /// Example: 209 | /// print(formatDate(DateTime(1989, 02, 1, 5), [am])); 210 | /// // => AM 211 | /// print(formatDate(DateTime(1989, 02, 1, 15), [am])); 212 | /// // => PM 213 | const String am = 'am'; 214 | 215 | /// Outputs timezone as time offset 216 | /// 217 | /// Example: 218 | /// 219 | const String z = 'z'; 220 | const String Z = 'Z'; 221 | 222 | String dateFormat(DateTime date, List formats) { 223 | final sb = StringBuffer(); 224 | 225 | for (String format in formats) { 226 | if (format == yyyy) { 227 | sb.write(_digits(date.year, 4)); 228 | } else if (format == yy) { 229 | sb.write(_digits(date.year % 100, 2)); 230 | } else if (format == mm) { 231 | sb.write(_digits(date.month, 2)); 232 | } else if (format == m) { 233 | sb.write(date.month); 234 | } else if (format == MM) { 235 | sb.write(monthLong[date.month - 1]); 236 | } else if (format == M) { 237 | sb.write(monthShort[date.month - 1]); 238 | } else if (format == dd) { 239 | sb.write(_digits(date.day, 2)); 240 | } else if (format == d) { 241 | sb.write(date.day); 242 | } else if (format == w) { 243 | sb.write((date.day + 7) ~/ 7); 244 | } else if (format == W) { 245 | sb.write((dayInYear(date) + 7) ~/ 7); 246 | } else if (format == WW) { 247 | sb.write(_digits((dayInYear(date) + 7) ~/ 7, 2)); 248 | } else if (format == DD) { 249 | sb.write(dayLong[date.weekday - 1]); 250 | } else if (format == D) { 251 | sb.write(dayShort[date.weekday - 1]); 252 | } else if (format == HH) { 253 | sb.write(_digits(date.hour, 2)); 254 | } else if (format == H) { 255 | sb.write(date.hour); 256 | } else if (format == hh) { 257 | int hour = date.hour % 12; 258 | if (hour == 0) hour = 12; 259 | sb.write(_digits(hour, 2)); 260 | } else if (format == h) { 261 | int hour = date.hour % 12; 262 | if (hour == 0) hour = 12; 263 | sb.write(hour); 264 | } else if (format == am) { 265 | sb.write(date.hour < 12 ? 'AM' : 'PM'); 266 | } else if (format == nn) { 267 | sb.write(_digits(date.minute, 2)); 268 | } else if (format == n) { 269 | sb.write(date.minute); 270 | } else if (format == ss) { 271 | sb.write(_digits(date.second, 2)); 272 | } else if (format == s) { 273 | sb.write(date.second); 274 | } else if (format == SSS) { 275 | sb.write(_digits(date.millisecond, 3)); 276 | } else if (format == S) { 277 | sb.write(date.second); 278 | } else if (format == uuu) { 279 | sb.write(_digits(date.microsecond, 2)); 280 | } else if (format == u) { 281 | sb.write(date.microsecond); 282 | } else if (format == z) { 283 | if (date.timeZoneOffset.inMinutes == 0) { 284 | sb.write('Z'); 285 | } else { 286 | if (date.timeZoneOffset.isNegative) { 287 | sb.write('-'); 288 | sb.write(_digits((-date.timeZoneOffset.inHours) % 24, 2)); 289 | sb.write(_digits((-date.timeZoneOffset.inMinutes) % 60, 2)); 290 | } else { 291 | sb.write('+'); 292 | sb.write(_digits(date.timeZoneOffset.inHours % 24, 2)); 293 | sb.write(_digits(date.timeZoneOffset.inMinutes % 60, 2)); 294 | } 295 | } 296 | } else if (format == Z) { 297 | sb.write(date.timeZoneName); 298 | } else { 299 | sb.write(format); 300 | } 301 | } 302 | 303 | return sb.toString(); 304 | } 305 | 306 | String _digits(int value, int length) { 307 | String ret = '$value'; 308 | if (ret.length < length) { 309 | ret = '0' * (length - ret.length) + ret; 310 | } 311 | return ret; 312 | } 313 | 314 | const List monthShort = const [ 315 | 'Jan', 316 | 'Feb', 317 | 'Mar', 318 | 'Apr', 319 | 'May', 320 | 'Jun', 321 | 'Jul', 322 | 'Aug', 323 | 'Sep', 324 | 'Oct', 325 | 'Nov', 326 | 'Dec' 327 | ]; 328 | 329 | const List monthLong = const [ 330 | 'January', 331 | 'February', 332 | 'March', 333 | 'April', 334 | 'May', 335 | 'June', 336 | 'July', 337 | 'August', 338 | 'September', 339 | 'October', 340 | 'November', 341 | 'December' 342 | ]; 343 | 344 | const List dayShort = const [ 345 | 'Mon', 346 | 'Tue', 347 | 'Wed', 348 | 'Thur', 349 | 'Fri', 350 | 'Sat', 351 | 'Sun' 352 | ]; 353 | 354 | const List dayLong = const [ 355 | 'Monday', 356 | 'Tuesday', 357 | 'Wednesday', 358 | 'Thursday', 359 | 'Friday', 360 | 'Saturday', 361 | 'Sunday' 362 | ]; 363 | 364 | int dayInYear(DateTime date) => 365 | date.difference(DateTime(date.year, 1, 1)).inDays; -------------------------------------------------------------------------------- /flutter_k_chart-master/lib/utils/number_util.dart: -------------------------------------------------------------------------------- 1 | class NumberUtil { 2 | static String volFormat(double n) { 3 | if (n > 10000 && n < 999999) { 4 | double d = n / 1000; 5 | return "${d.toStringAsFixed(2)}K"; 6 | } else if (n > 1000000) { 7 | double d = n / 1000000; 8 | return "${d.toStringAsFixed(2)}M"; 9 | } 10 | return n.toStringAsFixed(2); 11 | } 12 | 13 | //保留多少位小数 14 | static int _fractionDigits = 2; 15 | 16 | static set fractionDigits(int value) { 17 | if (value != _fractionDigits) _fractionDigits = value; 18 | } 19 | 20 | static String format(double price) { 21 | return price.toStringAsFixed(_fractionDigits); 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /flutter_k_chart-master/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | archive: 5 | dependency: transitive 6 | description: 7 | name: archive 8 | url: "https://pub.flutter-io.cn" 9 | source: hosted 10 | version: "2.0.11" 11 | args: 12 | dependency: transitive 13 | description: 14 | name: args 15 | url: "https://pub.flutter-io.cn" 16 | source: hosted 17 | version: "1.5.2" 18 | async: 19 | dependency: transitive 20 | description: 21 | name: async 22 | url: "https://pub.flutter-io.cn" 23 | source: hosted 24 | version: "2.4.0" 25 | boolean_selector: 26 | dependency: transitive 27 | description: 28 | name: boolean_selector 29 | url: "https://pub.flutter-io.cn" 30 | source: hosted 31 | version: "1.0.5" 32 | charcode: 33 | dependency: transitive 34 | description: 35 | name: charcode 36 | url: "https://pub.flutter-io.cn" 37 | source: hosted 38 | version: "1.1.2" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.flutter-io.cn" 44 | source: hosted 45 | version: "1.14.11" 46 | convert: 47 | dependency: transitive 48 | description: 49 | name: convert 50 | url: "https://pub.flutter-io.cn" 51 | source: hosted 52 | version: "2.1.1" 53 | crypto: 54 | dependency: transitive 55 | description: 56 | name: crypto 57 | url: "https://pub.flutter-io.cn" 58 | source: hosted 59 | version: "2.1.3" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_test: 66 | dependency: "direct dev" 67 | description: flutter 68 | source: sdk 69 | version: "0.0.0" 70 | image: 71 | dependency: transitive 72 | description: 73 | name: image 74 | url: "https://pub.flutter-io.cn" 75 | source: hosted 76 | version: "2.1.4" 77 | matcher: 78 | dependency: transitive 79 | description: 80 | name: matcher 81 | url: "https://pub.flutter-io.cn" 82 | source: hosted 83 | version: "0.12.6" 84 | meta: 85 | dependency: transitive 86 | description: 87 | name: meta 88 | url: "https://pub.flutter-io.cn" 89 | source: hosted 90 | version: "1.1.8" 91 | path: 92 | dependency: transitive 93 | description: 94 | name: path 95 | url: "https://pub.flutter-io.cn" 96 | source: hosted 97 | version: "1.6.4" 98 | pedantic: 99 | dependency: transitive 100 | description: 101 | name: pedantic 102 | url: "https://pub.flutter-io.cn" 103 | source: hosted 104 | version: "1.8.0+1" 105 | petitparser: 106 | dependency: transitive 107 | description: 108 | name: petitparser 109 | url: "https://pub.flutter-io.cn" 110 | source: hosted 111 | version: "2.4.0" 112 | quiver: 113 | dependency: transitive 114 | description: 115 | name: quiver 116 | url: "https://pub.flutter-io.cn" 117 | source: hosted 118 | version: "2.0.5" 119 | sky_engine: 120 | dependency: transitive 121 | description: flutter 122 | source: sdk 123 | version: "0.0.99" 124 | source_span: 125 | dependency: transitive 126 | description: 127 | name: source_span 128 | url: "https://pub.flutter-io.cn" 129 | source: hosted 130 | version: "1.5.5" 131 | stack_trace: 132 | dependency: transitive 133 | description: 134 | name: stack_trace 135 | url: "https://pub.flutter-io.cn" 136 | source: hosted 137 | version: "1.9.3" 138 | stream_channel: 139 | dependency: transitive 140 | description: 141 | name: stream_channel 142 | url: "https://pub.flutter-io.cn" 143 | source: hosted 144 | version: "2.0.0" 145 | string_scanner: 146 | dependency: transitive 147 | description: 148 | name: string_scanner 149 | url: "https://pub.flutter-io.cn" 150 | source: hosted 151 | version: "1.0.5" 152 | term_glyph: 153 | dependency: transitive 154 | description: 155 | name: term_glyph 156 | url: "https://pub.flutter-io.cn" 157 | source: hosted 158 | version: "1.1.0" 159 | test_api: 160 | dependency: transitive 161 | description: 162 | name: test_api 163 | url: "https://pub.flutter-io.cn" 164 | source: hosted 165 | version: "0.2.11" 166 | typed_data: 167 | dependency: transitive 168 | description: 169 | name: typed_data 170 | url: "https://pub.flutter-io.cn" 171 | source: hosted 172 | version: "1.1.6" 173 | vector_math: 174 | dependency: transitive 175 | description: 176 | name: vector_math 177 | url: "https://pub.flutter-io.cn" 178 | source: hosted 179 | version: "2.0.8" 180 | xml: 181 | dependency: transitive 182 | description: 183 | name: xml 184 | url: "https://pub.flutter-io.cn" 185 | source: hosted 186 | version: "3.5.0" 187 | sdks: 188 | dart: ">=2.4.0 <3.0.0" 189 | -------------------------------------------------------------------------------- /flutter_k_chart-master/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_k_chart 2 | description: A new Flutter package project. 3 | version: 0.1.0 4 | author: gwh <415593725@qq.com> 5 | homepage: https://github.com/gwh/flutter_k_chart 6 | 7 | environment: 8 | sdk: ">=2.2.2 <3.0.0" 9 | 10 | dependencies: 11 | flutter: 12 | sdk: flutter 13 | 14 | dev_dependencies: 15 | flutter_test: 16 | sdk: flutter 17 | 18 | # For information on the generic Dart part of this file, see the 19 | # following page: https://www.dartlang.org/tools/pub/pubspec 20 | 21 | # The following section is specific to Flutter. 22 | flutter: 23 | 24 | # To add assets to your package, add an assets section, like this: 25 | # assets: 26 | # - images/a_dot_burr.jpeg 27 | # - images/a_dot_ham.jpeg 28 | # 29 | # For details regarding assets in packages, see 30 | # https://flutter.dev/assets-and-images/#from-packages 31 | # 32 | # An image asset can refer to one or more resolution-specific "variants", see 33 | # https://flutter.dev/assets-and-images/#resolution-aware. 34 | 35 | # To add custom fonts to your package, add a fonts section here, 36 | # in this "flutter" section. Each entry in this list should have a 37 | # "family" key with the font family name, and a "fonts" key with a 38 | # list giving the asset and other descriptors for the font. For 39 | # example: 40 | # fonts: 41 | # - family: Schyler 42 | # fonts: 43 | # - asset: fonts/Schyler-Regular.ttf 44 | # - asset: fonts/Schyler-Italic.ttf 45 | # style: italic 46 | # - family: Trajan Pro 47 | # fonts: 48 | # - asset: fonts/TrajanPro.ttf 49 | # - asset: fonts/TrajanPro_Bold.ttf 50 | # weight: 700 51 | # 52 | # For details regarding fonts in packages, see 53 | # https://flutter.dev/custom-fonts/#from-packages 54 | -------------------------------------------------------------------------------- /flutter_k_chart-master/res/values/strings_en.arb: -------------------------------------------------------------------------------- 1 | {} -------------------------------------------------------------------------------- /flutter_k_chart-master/test/flutter_k_chart_test.dart: -------------------------------------------------------------------------------- 1 | 2 | 3 | //void main() { 4 | // test('adds one to input values', () { 5 | // final calculator = Calculator(); 6 | // expect(calculator.addOne(2), 3); 7 | // expect(calculator.addOne(-7), -6); 8 | // expect(calculator.addOne(0), 1); 9 | // expect(() => calculator.addOne(null), throwsNoSuchMethodError); 10 | // }); 11 | //} 12 | --------------------------------------------------------------------------------