├── .gitignore ├── .metadata ├── README.md ├── android ├── .gitignore ├── app │ ├── build.gradle │ └── src │ │ ├── debug │ │ └── AndroidManifest.xml │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── kotlin │ │ │ └── com │ │ │ │ └── divyanshu │ │ │ │ └── path_animation │ │ │ │ └── MainActivity.kt │ │ └── 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 ├── art ├── circles.gif ├── planets.gif ├── polygon.gif └── spiral.gif ├── ios ├── .gitignore ├── Flutter │ ├── AppFrameworkInfo.plist │ ├── Debug.xcconfig │ └── Release.xcconfig ├── Runner.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ └── contents.xcworkspacedata │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ └── contents.xcworkspacedata └── Runner │ ├── AppDelegate.swift │ ├── 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 │ └── Runner-Bridging-Header.h ├── lib ├── circles.dart ├── lines.dart ├── main.dart ├── planets.dart ├── polygon.dart └── spiral.dart ├── pubspec.lock ├── pubspec.yaml └── test └── widget_test.dart /.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 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .flutter-plugins-dependencies 28 | .packages 29 | .pub-cache/ 30 | .pub/ 31 | /build/ 32 | 33 | # Web related 34 | lib/generated_plugin_registrant.dart 35 | 36 | # Exceptions to above rules. 37 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 38 | -------------------------------------------------------------------------------- /.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: 0b8abb4724aa590dd0f429683339b1e045a1594d 8 | channel: stable 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Flutter Path Animation 2 | 3 | A Flutter application showing different ways of building and animating paths. For more info check out the [blog](https://medium.com/flutter-community/playing-with-paths-in-flutter-97198ba046c8). 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | -------------------------------------------------------------------------------- /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 plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 28 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "com.divyanshu.path_animation" 42 | minSdkVersion 16 43 | targetSdkVersion 28 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 47 | } 48 | 49 | buildTypes { 50 | release { 51 | // TODO: Add your own signing config for the release build. 52 | // Signing with the debug keys for now, so `flutter run --release` works. 53 | signingConfig signingConfigs.debug 54 | } 55 | } 56 | } 57 | 58 | flutter { 59 | source '../..' 60 | } 61 | 62 | dependencies { 63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 64 | testImplementation 'junit:junit:4.12' 65 | androidTestImplementation 'androidx.test:runner:1.1.1' 66 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1' 67 | } 68 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 8 | 12 | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /android/app/src/main/kotlin/com/divyanshu/path_animation/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.divyanshu.path_animation 2 | 3 | import androidx.annotation.NonNull; 4 | import io.flutter.embedding.android.FlutterActivity 5 | import io.flutter.embedding.engine.FlutterEngine 6 | import io.flutter.plugins.GeneratedPluginRegistrant 7 | 8 | class MainActivity: FlutterActivity() { 9 | override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) { 10 | GeneratedPluginRegistrant.registerWith(flutterEngine); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip 7 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() 4 | 5 | def plugins = new Properties() 6 | def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') 7 | if (pluginsFile.exists()) { 8 | pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } 9 | } 10 | 11 | plugins.each { name, path -> 12 | def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() 13 | include ":$name" 14 | project(":$name").projectDir = pluginDirectory 15 | } 16 | -------------------------------------------------------------------------------- /art/circles.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/art/circles.gif -------------------------------------------------------------------------------- /art/planets.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/art/planets.gif -------------------------------------------------------------------------------- /art/polygon.gif: 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23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /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 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: 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-------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/divyanshub024/flutter_path_animation/074ed0bc4fbf6441e033b2b0f4b725da0c9e220c/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /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. -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | path_animation 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 | -------------------------------------------------------------------------------- /ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" -------------------------------------------------------------------------------- /lib/circles.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/material.dart'; 5 | 6 | class Circles extends StatefulWidget { 7 | @override 8 | _CirclesState createState() => _CirclesState(); 9 | } 10 | 11 | class _CirclesState extends State with SingleTickerProviderStateMixin { 12 | AnimationController _controller; 13 | double circles = 5.0; 14 | bool showDots = false, showPath = true; 15 | 16 | @override 17 | void initState() { 18 | super.initState(); 19 | _controller = AnimationController( 20 | vsync: this, 21 | duration: Duration(seconds: 3), 22 | ); 23 | _controller.value = 1.0; 24 | } 25 | 26 | @override 27 | Widget build(BuildContext context) { 28 | return Scaffold( 29 | appBar: AppBar( 30 | title: Text('Circles'), 31 | ), 32 | body: SafeArea( 33 | child: Column( 34 | crossAxisAlignment: CrossAxisAlignment.start, 35 | mainAxisSize: MainAxisSize.max, 36 | children: [ 37 | Expanded( 38 | child: AnimatedBuilder( 39 | animation: _controller, 40 | builder: (context, snapshot) { 41 | return Center( 42 | child: CustomPaint( 43 | painter: CirclesPainter( 44 | circles: circles, 45 | progress: _controller.value, 46 | showDots: showDots, 47 | showPath: showPath, 48 | ), 49 | ), 50 | ); 51 | }), 52 | ), 53 | Row( 54 | children: [ 55 | Padding( 56 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 57 | child: Text('Show Dots'), 58 | ), 59 | Switch( 60 | value: showDots, 61 | onChanged: (value) { 62 | setState(() { 63 | showDots = value; 64 | }); 65 | }, 66 | ), 67 | Padding( 68 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 69 | child: Text('Show Path'), 70 | ), 71 | Switch( 72 | value: showPath, 73 | onChanged: (value) { 74 | setState(() { 75 | showPath = value; 76 | }); 77 | }, 78 | ), 79 | ], 80 | ), 81 | Padding( 82 | padding: const EdgeInsets.only(left: 24.0), 83 | child: Text('Circles'), 84 | ), 85 | Slider( 86 | value: circles, 87 | min: 1.0, 88 | max: 10.0, 89 | divisions: 9, 90 | label: circles.toInt().toString(), 91 | onChanged: (value) { 92 | setState(() { 93 | circles = value; 94 | }); 95 | }, 96 | ), 97 | Padding( 98 | padding: const EdgeInsets.only(left: 24.0), 99 | child: Text('Progress'), 100 | ), 101 | Slider( 102 | value: _controller.value, 103 | min: 0.0, 104 | max: 1.0, 105 | onChanged: (value) { 106 | setState(() { 107 | _controller.value = value; 108 | }); 109 | }, 110 | ), 111 | Center( 112 | child: RaisedButton( 113 | child: Text('Animate'), 114 | onPressed: () { 115 | _controller.reset(); 116 | _controller.forward(); 117 | }, 118 | ), 119 | ), 120 | ], 121 | ), 122 | ), 123 | ); 124 | } 125 | } 126 | 127 | class CirclesPainter extends CustomPainter { 128 | CirclesPainter({this.circles, this.progress, this.showDots, this.showPath}); 129 | 130 | final double circles, progress; 131 | bool showDots, showPath; 132 | 133 | var myPaint = Paint() 134 | ..color = Colors.purple 135 | ..style = PaintingStyle.stroke 136 | ..strokeWidth = 5.0; 137 | 138 | double radius = 80; 139 | 140 | @override 141 | void paint(Canvas canvas, Size size) { 142 | var path = createPath(); 143 | PathMetrics pathMetrics = path.computeMetrics(); 144 | for (PathMetric pathMetric in pathMetrics) { 145 | Path extractPath = pathMetric.extractPath( 146 | 0.0, 147 | pathMetric.length * progress, 148 | ); 149 | if (showPath) { 150 | canvas.drawPath(extractPath, myPaint); 151 | } 152 | if (showDots) { 153 | try { 154 | var metric = extractPath.computeMetrics().first; 155 | final offset = metric.getTangentForOffset(metric.length).position; 156 | canvas.drawCircle(offset, 8.0, Paint()); 157 | } catch (e) {} 158 | } 159 | } 160 | } 161 | 162 | Path createPath() { 163 | var path = Path(); 164 | int n = circles.toInt(); 165 | var range = List.generate(n, (i) => i + 1); 166 | double angle = 2 * math.pi / n; 167 | for (int i in range) { 168 | double x = radius * math.cos(i * angle); 169 | double y = radius * math.sin(i * angle); 170 | path.addOval(Rect.fromCircle(center: Offset(x, y), radius: radius)); 171 | } 172 | return path; 173 | } 174 | 175 | @override 176 | bool shouldRepaint(CirclesPainter oldDelegate) { 177 | return true; 178 | } 179 | } 180 | -------------------------------------------------------------------------------- /lib/lines.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | class Lines extends StatefulWidget { 6 | @override 7 | _LinesState createState() => _LinesState(); 8 | } 9 | 10 | class _LinesState extends State with SingleTickerProviderStateMixin { 11 | AnimationController _controller; 12 | 13 | @override 14 | void initState() { 15 | super.initState(); 16 | _controller = AnimationController( 17 | vsync: this, 18 | duration: Duration(seconds: 2), 19 | ); 20 | _controller.value = 1.0; 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar( 27 | title: Text('Lines'), 28 | ), 29 | body: SafeArea( 30 | child: Column( 31 | crossAxisAlignment: CrossAxisAlignment.start, 32 | mainAxisSize: MainAxisSize.max, 33 | children: [ 34 | AnimatedBuilder( 35 | animation: _controller, 36 | builder: (context, child) { 37 | return Expanded( 38 | child: Column( 39 | mainAxisAlignment: MainAxisAlignment.spaceEvenly, 40 | children: [ 41 | Padding( 42 | padding: const EdgeInsets.only(left: 32.0, right: 32.0), 43 | child: CustomPaint( 44 | painter: LinePainter(progress: _controller.value), 45 | size: Size(double.maxFinite, 100), 46 | ), 47 | ), 48 | Padding( 49 | padding: const EdgeInsets.only(left: 32.0, right: 32.0), 50 | child: CustomPaint( 51 | painter: DashLinePainter(progress: _controller.value), 52 | size: Size(double.maxFinite, 100), 53 | ), 54 | ), 55 | ], 56 | ), 57 | ); 58 | }, 59 | ), 60 | Padding( 61 | padding: const EdgeInsets.only(left: 24.0), 62 | child: Text('Progress'), 63 | ), 64 | Slider( 65 | value: _controller.value, 66 | min: 0.0, 67 | max: 1.0, 68 | onChanged: (value) { 69 | setState(() { 70 | _controller.value = value; 71 | }); 72 | }, 73 | ), 74 | Center( 75 | child: RaisedButton( 76 | child: Text('Animated'), 77 | onPressed: () { 78 | _controller.reset(); 79 | _controller.forward(); 80 | }, 81 | ), 82 | ) 83 | ], 84 | ), 85 | ), 86 | ); 87 | } 88 | } 89 | 90 | class LinePainter extends CustomPainter { 91 | final double progress; 92 | 93 | LinePainter({this.progress}); 94 | 95 | Paint _paint = Paint() 96 | ..color = Colors.black 97 | ..strokeWidth = 4.0 98 | ..style = PaintingStyle.stroke 99 | ..strokeJoin = StrokeJoin.round; 100 | 101 | @override 102 | void paint(Canvas canvas, Size size) { 103 | var path = Path(); 104 | path.moveTo(0, size.height / 2); 105 | path.lineTo(size.width * progress, size.height / 2); 106 | canvas.drawPath(path, _paint); 107 | } 108 | 109 | @override 110 | bool shouldRepaint(LinePainter oldDelegate) { 111 | return oldDelegate.progress != progress; 112 | } 113 | } 114 | 115 | class DashLinePainter extends CustomPainter { 116 | final double progress; 117 | 118 | DashLinePainter({this.progress}); 119 | 120 | Paint _paint = Paint() 121 | ..color = Colors.black 122 | ..strokeWidth = 4.0 123 | ..style = PaintingStyle.stroke 124 | ..strokeJoin = StrokeJoin.round; 125 | 126 | @override 127 | void paint(Canvas canvas, Size size) { 128 | var path = Path() 129 | ..moveTo(0, size.height / 2) 130 | ..lineTo(size.width * progress, size.height / 2); 131 | 132 | Path dashPath = Path(); 133 | double dashWidth = 10.0; 134 | double dashSpace = 5.0; 135 | double distance = 0.0; 136 | 137 | for (PathMetric pathMetric in path.computeMetrics()) { 138 | while (distance < pathMetric.length) { 139 | dashPath.addPath( 140 | pathMetric.extractPath(distance, distance + dashWidth), 141 | Offset.zero, 142 | ); 143 | distance += dashWidth; 144 | distance += dashSpace; 145 | } 146 | } 147 | canvas.drawPath(dashPath, _paint); 148 | } 149 | 150 | @override 151 | bool shouldRepaint(DashLinePainter oldDelegate) { 152 | return oldDelegate.progress != progress; 153 | } 154 | } 155 | -------------------------------------------------------------------------------- /lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:path_animation/circles.dart'; 3 | import 'package:path_animation/lines.dart'; 4 | import 'package:path_animation/planets.dart'; 5 | import 'package:path_animation/polygon.dart'; 6 | import 'package:path_animation/spiral.dart'; 7 | 8 | void main() => runApp(MyApp()); 9 | 10 | class MyApp extends StatelessWidget { 11 | @override 12 | Widget build(BuildContext context) { 13 | return MaterialApp( 14 | title: 'Flutter Demo', 15 | theme: ThemeData( 16 | primarySwatch: Colors.blue, 17 | ), 18 | home: MyHomePage(), 19 | ); 20 | } 21 | } 22 | 23 | class MyHomePage extends StatelessWidget { 24 | @override 25 | Widget build(BuildContext context) { 26 | final Map screens = { 27 | 'Lines': Lines(), 28 | 'Circles': Circles(), 29 | 'Polygon': Polygon(), 30 | 'Spiral': Spiral(), 31 | 'Planets': Planets(), 32 | }; 33 | 34 | List children = []; 35 | screens.forEach((k, v) { 36 | children.add( 37 | ListTile( 38 | title: Text(k), 39 | onTap: () => Navigator.push( 40 | context, 41 | MaterialPageRoute(builder: (context) => v), 42 | ), 43 | ), 44 | ); 45 | }); 46 | 47 | return Scaffold( 48 | appBar: AppBar(title: Text('Flutter path animation')), 49 | body: ListView( 50 | children: children, 51 | ), 52 | ); 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /lib/planets.dart: -------------------------------------------------------------------------------- 1 | import 'dart:ui' as UI; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | class Planets extends StatefulWidget { 6 | @override 7 | _PlanetsState createState() => _PlanetsState(); 8 | } 9 | 10 | class _PlanetsState extends State with TickerProviderStateMixin { 11 | AnimationController _controller; 12 | AnimationController _controller1; 13 | AnimationController _controller2; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | _controller = AnimationController( 19 | vsync: this, 20 | duration: Duration(seconds: 3), 21 | ); 22 | _controller1 = AnimationController( 23 | vsync: this, 24 | duration: Duration(seconds: 4), 25 | ); 26 | _controller2 = AnimationController( 27 | vsync: this, 28 | duration: Duration(seconds: 5), 29 | ); 30 | } 31 | 32 | @override 33 | Widget build(BuildContext context) { 34 | return Scaffold( 35 | backgroundColor: const Color(0xFF6C63FF), 36 | appBar: AppBar( 37 | title: Text('Planets'), 38 | backgroundColor: Colors.transparent, 39 | elevation: 0.0, 40 | ), 41 | body: AnimatedBuilder( 42 | animation: _controller, 43 | builder: (context, snapshot) { 44 | return Center( 45 | child: CustomPaint( 46 | painter: AtomPaint( 47 | value: _controller.value, 48 | value1: _controller1.value, 49 | value2: _controller2.value, 50 | ), 51 | ), 52 | ); 53 | }), 54 | floatingActionButton: FloatingActionButton( 55 | child: Icon(Icons.play_arrow), 56 | onPressed: () { 57 | _controller.reset(); 58 | _controller1.reset(); 59 | _controller2.reset(); 60 | _controller.repeat(); 61 | _controller1.repeat(); 62 | _controller2.repeat(); 63 | }, 64 | ), 65 | ); 66 | } 67 | } 68 | 69 | class AtomPaint extends CustomPainter { 70 | AtomPaint({ 71 | this.value, 72 | this.value1, 73 | this.value2, 74 | }); 75 | 76 | final double value, value1, value2; 77 | 78 | Paint _axisPaint = Paint() 79 | ..color = const Color(0xFFE6E6E6) 80 | ..strokeWidth = 2.0 81 | ..style = PaintingStyle.stroke; 82 | 83 | @override 84 | void paint(Canvas canvas, Size size) { 85 | canvas.drawCircle(Offset(0, 0), 20.0, Paint()..color = Colors.yellow); 86 | drawAxis(value, canvas, 60, Paint()..color = Colors.grey); 87 | drawAxis(value1, canvas, 100, Paint()..color = Colors.brown); 88 | drawAxis(value2, canvas, 140, Paint()..color = Colors.blueAccent); 89 | drawAxis(value, canvas, 180, Paint()..color = Colors.redAccent); 90 | drawAxis(value1, canvas, 220, Paint()..color = Colors.lightGreen); 91 | drawAxis(value2, canvas, 260, Paint()..color = Colors.purpleAccent); 92 | } 93 | 94 | drawAxis(double value, Canvas canvas, double radius, Paint paint) { 95 | var firstAxis = getCirclePath(radius); 96 | canvas.drawPath(firstAxis, _axisPaint); 97 | UI.PathMetrics pathMetrics = firstAxis.computeMetrics(); 98 | for (UI.PathMetric pathMetric in pathMetrics) { 99 | Path extractPath = pathMetric.extractPath( 100 | 0.0, 101 | pathMetric.length * value, 102 | ); 103 | try { 104 | var metric = extractPath.computeMetrics().first; 105 | final offset = metric.getTangentForOffset(metric.length).position; 106 | canvas.drawCircle(offset, 12.0, paint); 107 | } catch (e) {} 108 | } 109 | } 110 | 111 | Path getCirclePath(double radius) => 112 | Path()..addOval(Rect.fromCircle(center: Offset(0, 0), radius: radius)); 113 | 114 | @override 115 | bool shouldRepaint(CustomPainter oldDelegate) { 116 | return true; 117 | } 118 | } 119 | -------------------------------------------------------------------------------- /lib/polygon.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/material.dart'; 5 | 6 | class Polygon extends StatefulWidget { 7 | @override 8 | _PolygonState createState() => _PolygonState(); 9 | } 10 | 11 | class _PolygonState extends State with SingleTickerProviderStateMixin { 12 | double sides = 3.0; 13 | bool showDots = false, showPath = true; 14 | AnimationController _controller; 15 | 16 | @override 17 | void initState() { 18 | super.initState(); 19 | _controller = AnimationController( 20 | vsync: this, 21 | duration: Duration(seconds: 3), 22 | ); 23 | _controller.value = 1.0; 24 | } 25 | 26 | @override 27 | Widget build(BuildContext context) { 28 | return Scaffold( 29 | appBar: AppBar( 30 | title: Text('Polygon'), 31 | ), 32 | body: SafeArea( 33 | child: Column( 34 | crossAxisAlignment: CrossAxisAlignment.start, 35 | mainAxisSize: MainAxisSize.max, 36 | children: [ 37 | Expanded( 38 | child: AnimatedBuilder( 39 | animation: _controller, 40 | builder: (context, snapshot) { 41 | return Center( 42 | child: CustomPaint( 43 | painter: PolygonPainter( 44 | sides: sides, 45 | progress: _controller.value, 46 | showDots: showDots, 47 | showPath: showPath, 48 | ), 49 | ), 50 | ); 51 | }), 52 | ), 53 | Row( 54 | children: [ 55 | Padding( 56 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 57 | child: Text('Show Dots'), 58 | ), 59 | Switch( 60 | value: showDots, 61 | onChanged: (value) { 62 | setState(() { 63 | showDots = value; 64 | }); 65 | }, 66 | ), 67 | Padding( 68 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 69 | child: Text('Show Path'), 70 | ), 71 | Switch( 72 | value: showPath, 73 | onChanged: (value) { 74 | setState(() { 75 | showPath = value; 76 | }); 77 | }, 78 | ), 79 | ], 80 | ), 81 | Padding( 82 | padding: const EdgeInsets.only(left: 24.0), 83 | child: Text('Sides'), 84 | ), 85 | Slider( 86 | value: sides, 87 | min: 3.0, 88 | max: 10.0, 89 | label: sides.toInt().toString(), 90 | divisions: 7, 91 | onChanged: (value) { 92 | setState(() { 93 | sides = value; 94 | }); 95 | }, 96 | ), 97 | Padding( 98 | padding: const EdgeInsets.only(left: 24.0), 99 | child: Text('Progress'), 100 | ), 101 | Slider( 102 | value: _controller.value, 103 | min: 0.0, 104 | max: 1.0, 105 | onChanged: (value) { 106 | setState(() { 107 | _controller.value = value; 108 | }); 109 | }, 110 | ), 111 | Center( 112 | child: RaisedButton( 113 | child: Text('Animate'), 114 | onPressed: () { 115 | _controller.reset(); 116 | _controller.forward(); 117 | }, 118 | ), 119 | ), 120 | ], 121 | ), 122 | ), 123 | ); 124 | } 125 | } 126 | 127 | class PolygonPainter extends CustomPainter { 128 | PolygonPainter({ 129 | this.sides, 130 | this.progress, 131 | this.showPath, 132 | this.showDots, 133 | }); 134 | 135 | final double sides; 136 | final double progress; 137 | bool showDots, showPath; 138 | 139 | final Paint _paint = Paint() 140 | ..color = Colors.purple 141 | ..strokeWidth = 4.0 142 | ..style = PaintingStyle.stroke 143 | ..strokeCap = StrokeCap.round; 144 | 145 | @override 146 | void paint(Canvas canvas, Size size) { 147 | var path = createPath(sides.toInt(), 100); 148 | PathMetric pathMetric = path.computeMetrics().first; 149 | Path extractPath = 150 | pathMetric.extractPath(0.0, pathMetric.length * progress); 151 | if (showPath) { 152 | canvas.drawPath(extractPath, _paint); 153 | } 154 | if (showDots) { 155 | try { 156 | var metric = extractPath.computeMetrics().first; 157 | final offset = metric.getTangentForOffset(metric.length).position; 158 | canvas.drawCircle(offset, 8.0, Paint()); 159 | } catch (e) {} 160 | } 161 | } 162 | 163 | @override 164 | bool shouldRepaint(CustomPainter oldDelegate) { 165 | return true; 166 | } 167 | 168 | Path createPath(int sides, double radius) { 169 | var path = Path(); 170 | var angle = (math.pi * 2) / sides; 171 | path.moveTo(radius * math.cos(0.0), radius * math.sin(0.0)); 172 | for (int i = 1; i <= sides; i++) { 173 | double x = radius * math.cos(angle * i); 174 | double y = radius * math.sin(angle * i); 175 | path.lineTo(x, y); 176 | } 177 | path.close(); 178 | return path; 179 | } 180 | } 181 | -------------------------------------------------------------------------------- /lib/spiral.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/material.dart'; 5 | 6 | class Spiral extends StatefulWidget { 7 | @override 8 | _SpiralState createState() => _SpiralState(); 9 | } 10 | 11 | class _SpiralState extends State with SingleTickerProviderStateMixin { 12 | bool showDots = false, showPath = true; 13 | AnimationController _controller; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | _controller = AnimationController( 19 | vsync: this, 20 | duration: Duration(seconds: 5), 21 | ); 22 | _controller.value = 1.0; 23 | } 24 | 25 | @override 26 | Widget build(BuildContext context) { 27 | return Scaffold( 28 | appBar: AppBar( 29 | title: Text('Spiral'), 30 | ), 31 | body: SafeArea( 32 | child: Column( 33 | crossAxisAlignment: CrossAxisAlignment.start, 34 | mainAxisSize: MainAxisSize.max, 35 | children: [ 36 | AnimatedBuilder( 37 | animation: _controller, 38 | builder: (context, child) { 39 | print('${_controller.value}'); 40 | return Expanded( 41 | child: Center( 42 | child: CustomPaint( 43 | painter: SpiralPainter( 44 | progress: _controller.value, 45 | showPath: showPath, 46 | showDots: showDots, 47 | ), 48 | ), 49 | ), 50 | ); 51 | }, 52 | ), 53 | Row( 54 | children: [ 55 | Padding( 56 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 57 | child: Text('Show Dots'), 58 | ), 59 | Switch( 60 | value: showDots, 61 | onChanged: (value) { 62 | setState(() { 63 | showDots = value; 64 | }); 65 | }, 66 | ), 67 | Padding( 68 | padding: const EdgeInsets.only(left: 24.0, right: 0.0), 69 | child: Text('Show Path'), 70 | ), 71 | Switch( 72 | value: showPath, 73 | onChanged: (value) { 74 | setState(() { 75 | showPath = value; 76 | }); 77 | }, 78 | ), 79 | ], 80 | ), 81 | Padding( 82 | padding: const EdgeInsets.only(left: 24.0), 83 | child: Text('Progress'), 84 | ), 85 | Slider( 86 | value: _controller.value, 87 | min: 0.0, 88 | max: 1.0, 89 | onChanged: (value) { 90 | setState(() { 91 | _controller.value = value; 92 | }); 93 | }, 94 | ), 95 | Center( 96 | child: RaisedButton( 97 | onPressed: () { 98 | _controller.reset(); 99 | _controller.forward(); 100 | }, 101 | child: Text('Animate'), 102 | ), 103 | ), 104 | ], 105 | ), 106 | ), 107 | ); 108 | } 109 | 110 | @override 111 | void dispose() { 112 | _controller.dispose(); 113 | super.dispose(); 114 | } 115 | } 116 | 117 | class SpiralPainter extends CustomPainter { 118 | SpiralPainter({ 119 | this.progress, 120 | this.showPath, 121 | this.showDots, 122 | }); 123 | 124 | final double progress; 125 | bool showDots, showPath; 126 | 127 | Paint _paint = Paint() 128 | ..color = Colors.deepPurple 129 | ..strokeWidth = 4.0 130 | ..style = PaintingStyle.stroke 131 | ..strokeCap = StrokeCap.round; 132 | 133 | @override 134 | void paint(Canvas canvas, Size size) { 135 | Path path = createSpiralPath(size); 136 | PathMetric pathMetric = path.computeMetrics().first; 137 | Path extractPath = 138 | pathMetric.extractPath(0.0, pathMetric.length * progress); 139 | if (showPath) { 140 | canvas.drawPath(extractPath, _paint); 141 | } 142 | if (showDots) { 143 | try { 144 | var metric = extractPath.computeMetrics().first; 145 | final offset = metric.getTangentForOffset(metric.length).position; 146 | canvas.drawCircle(offset, 8.0, Paint()); 147 | } catch (e) {} 148 | } 149 | } 150 | 151 | Path createSpiralPath(Size size) { 152 | double radius = 0, angle = 0; 153 | Path path = Path(); 154 | for (int n = 0; n < 200; n++) { 155 | radius += 0.75; 156 | angle += (math.pi * 2) / 50; 157 | var x = size.width / 2 + radius * math.cos(angle); 158 | var y = size.height / 2 + radius * math.sin(angle); 159 | path.lineTo(x, y); 160 | } 161 | return path; 162 | } 163 | 164 | @override 165 | bool shouldRepaint(CustomPainter oldDelegate) { 166 | return true; 167 | } 168 | } 169 | -------------------------------------------------------------------------------- /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_test: 73 | dependency: "direct dev" 74 | description: flutter 75 | source: sdk 76 | version: "0.0.0" 77 | image: 78 | dependency: transitive 79 | description: 80 | name: image 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "2.1.4" 84 | matcher: 85 | dependency: transitive 86 | description: 87 | name: matcher 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "0.12.6" 91 | meta: 92 | dependency: transitive 93 | description: 94 | name: meta 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "1.1.8" 98 | path: 99 | dependency: transitive 100 | description: 101 | name: path 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "1.6.4" 105 | petitparser: 106 | dependency: transitive 107 | description: 108 | name: petitparser 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "2.4.0" 112 | quiver: 113 | dependency: transitive 114 | description: 115 | name: quiver 116 | url: "https://pub.dartlang.org" 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.dartlang.org" 129 | source: hosted 130 | version: "1.5.5" 131 | stack_trace: 132 | dependency: transitive 133 | description: 134 | name: stack_trace 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.9.3" 138 | stream_channel: 139 | dependency: transitive 140 | description: 141 | name: stream_channel 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "2.0.0" 145 | string_scanner: 146 | dependency: transitive 147 | description: 148 | name: string_scanner 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "1.0.5" 152 | term_glyph: 153 | dependency: transitive 154 | description: 155 | name: term_glyph 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.1.0" 159 | test_api: 160 | dependency: transitive 161 | description: 162 | name: test_api 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "0.2.15" 166 | typed_data: 167 | dependency: transitive 168 | description: 169 | name: typed_data 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "1.1.6" 173 | vector_math: 174 | dependency: transitive 175 | description: 176 | name: vector_math 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "2.0.8" 180 | xml: 181 | dependency: transitive 182 | description: 183 | name: xml 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "3.5.0" 187 | sdks: 188 | dart: ">=2.4.0 <3.0.0" 189 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: path_animation 2 | description: A new Flutter application. 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: ">=2.1.0 <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 | 27 | dev_dependencies: 28 | flutter_test: 29 | sdk: flutter 30 | 31 | 32 | # For information on the generic Dart part of this file, see the 33 | # following page: https://dart.dev/tools/pub/pubspec 34 | 35 | # The following section is specific to Flutter. 36 | flutter: 37 | 38 | # The following line ensures that the Material Icons font is 39 | # included with your application, so that you can use the icons in 40 | # the material Icons class. 41 | uses-material-design: true 42 | 43 | # An image asset can refer to one or more resolution-specific "variants", see 44 | # https://flutter.dev/assets-and-images/#resolution-aware. 45 | 46 | # For details regarding adding assets from package dependencies, see 47 | # https://flutter.dev/assets-and-images/#from-packages 48 | 49 | # To add custom fonts to your application, add a fonts section here, 50 | # in this "flutter" section. Each entry in this list should have a 51 | # "family" key with the font family name, and a "fonts" key with a 52 | # list giving the asset and other descriptors for the font. For 53 | # example: 54 | # fonts: 55 | # - family: Schyler 56 | # fonts: 57 | # - asset: fonts/Schyler-Regular.ttf 58 | # - asset: fonts/Schyler-Italic.ttf 59 | # style: italic 60 | # - family: Trajan Pro 61 | # fonts: 62 | # - asset: fonts/TrajanPro.ttf 63 | # - asset: fonts/TrajanPro_Bold.ttf 64 | # weight: 700 65 | # 66 | # For details regarding fonts from package dependencies, 67 | # see https://flutter.dev/custom-fonts/#from-packages 68 | -------------------------------------------------------------------------------- /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 'package:path_animation/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | --------------------------------------------------------------------------------