├── .gitignore ├── .metadata ├── .vscode ├── launch.json └── settings.json ├── README.md ├── analysis_options.yaml ├── android ├── .gitignore ├── app │ ├── build.gradle │ └── src │ │ ├── debug │ │ └── AndroidManifest.xml │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── kotlin │ │ │ └── com │ │ │ │ └── example │ │ │ │ └── hello_world │ │ │ │ └── MainActivity.kt │ │ └── res │ │ │ ├── drawable-v21 │ │ │ └── launch_background.xml │ │ │ ├── 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-night │ │ │ └── styles.xml │ │ │ └── values │ │ │ └── styles.xml │ │ └── profile │ │ └── AndroidManifest.xml ├── build.gradle ├── gradle.properties ├── gradle │ └── wrapper │ │ └── gradle-wrapper.properties └── settings.gradle ├── ios ├── .gitignore ├── Flutter │ ├── AppFrameworkInfo.plist │ ├── Debug.xcconfig │ └── Release.xcconfig ├── Runner.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── WorkspaceSettings.xcsettings │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ ├── IDEWorkspaceChecks.plist │ │ └── WorkspaceSettings.xcsettings └── 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 ├── Chapter01 │ └── main.dart ├── Chapter02 │ ├── anonymous.dart │ ├── happy_birthday_example.dart │ ├── hello_example.dart │ ├── main.dart │ ├── records.dart │ └── scope.dart ├── Chapter04 │ ├── abstract.dart │ ├── enum.dart │ ├── futures.dart │ ├── generics.dart │ ├── isolate.dart │ ├── mixin.dart │ ├── person_version1.dart │ ├── person_version2.dart │ └── person_version3.dart ├── Chapter05 │ ├── destination_widget.dart │ ├── main_column.dart │ ├── main_column_too_long.dart │ └── main_list_view.dart ├── Chapter06 │ ├── destination_like.dart │ ├── destination_widget.dart │ ├── main.dart │ └── main_form.dart ├── Chapter07 │ ├── destination_list_tile.dart │ ├── destination_widget_container.dart │ ├── destination_widget_textstyle.dart │ ├── main.dart │ └── sliver_page.dart ├── Chapter08 │ ├── main.dart │ ├── main_named.dart │ ├── main_named_arguments.dart │ ├── main_navigator2.dart │ ├── main_result.dart │ ├── main_transition.dart │ └── main_transition_class.dart ├── Chapter09 │ ├── destination_description.dart │ └── main.dart ├── Chapter11 │ ├── animated_builder.dart │ ├── composed_button.dart │ ├── main.dart │ ├── rotated_button.dart │ ├── rotation_bouncein_button.dart │ ├── rotation_button.dart │ ├── scale_button.dart │ ├── scaled_button.dart │ └── translated_button.dart └── Chapter12 │ ├── calculator.dart │ └── calculator_fail.dart ├── linux ├── .gitignore ├── CMakeLists.txt ├── flutter │ ├── CMakeLists.txt │ ├── generated_plugin_registrant.cc │ ├── generated_plugin_registrant.h │ └── generated_plugins.cmake ├── main.cc ├── my_application.cc └── my_application.h ├── macos ├── .gitignore ├── Flutter │ ├── Flutter-Debug.xcconfig │ ├── Flutter-Release.xcconfig │ └── GeneratedPluginRegistrant.swift ├── Runner.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ └── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist └── Runner │ ├── AppDelegate.swift │ ├── Assets.xcassets │ └── AppIcon.appiconset │ │ ├── Contents.json │ │ ├── app_icon_1024.png │ │ ├── app_icon_128.png │ │ ├── app_icon_16.png │ │ ├── app_icon_256.png │ │ ├── app_icon_32.png │ │ ├── app_icon_512.png │ │ └── app_icon_64.png │ ├── Base.lproj │ └── MainMenu.xib │ ├── Configs │ ├── AppInfo.xcconfig │ ├── Debug.xcconfig │ ├── Release.xcconfig │ └── Warnings.xcconfig │ ├── DebugProfile.entitlements │ ├── Info.plist │ ├── MainFlutterWindow.swift │ └── Release.entitlements ├── pubspec.lock ├── pubspec.yaml ├── test ├── calculator_fail_test.dart ├── calculator_test.dart └── widget_test.dart ├── web ├── favicon.png ├── icons │ ├── Icon-192.png │ ├── Icon-512.png │ ├── Icon-maskable-192.png │ └── Icon-maskable-512.png ├── index.html └── manifest.json └── windows ├── .gitignore ├── CMakeLists.txt ├── flutter ├── CMakeLists.txt ├── generated_plugin_registrant.cc ├── generated_plugin_registrant.h └── generated_plugins.cmake └── runner ├── CMakeLists.txt ├── Runner.rc ├── flutter_window.cpp ├── flutter_window.h ├── main.cpp ├── resource.h ├── resources └── app_icon.ico ├── runner.exe.manifest ├── utils.cpp ├── utils.h ├── win32_window.cpp └── win32_window.h /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | migrate_working_dir/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # The .vscode folder contains launch configuration and tasks you configure in 20 | # VS Code which you may wish to be included in version control, so this line 21 | # is commented out by default. 22 | #.vscode/ 23 | 24 | # Flutter/Dart/Pub related 25 | **/doc/api/ 26 | **/ios/Flutter/.last_build_id 27 | .dart_tool/ 28 | .flutter-plugins 29 | .flutter-plugins-dependencies 30 | .packages 31 | .pub-cache/ 32 | .pub/ 33 | /build/ 34 | 35 | # Symbolication related 36 | app.*.symbols 37 | 38 | # Obfuscation related 39 | app.*.map.json 40 | 41 | # Android Studio will place build artifacts here 42 | /android/app/debug 43 | /android/app/profile 44 | /android/app/release 45 | -------------------------------------------------------------------------------- /.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. 5 | 6 | version: 7 | revision: 135454af32477f815a7525073027a3ff9eff1bfd 8 | channel: stable 9 | 10 | project_type: app 11 | 12 | # Tracks metadata for the flutter migrate command 13 | migration: 14 | platforms: 15 | - platform: root 16 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 17 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 18 | - platform: android 19 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 20 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 21 | - platform: ios 22 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 23 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 24 | - platform: linux 25 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 26 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 27 | - platform: macos 28 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 29 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 30 | - platform: web 31 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 32 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 33 | - platform: windows 34 | create_revision: 135454af32477f815a7525073027a3ff9eff1bfd 35 | base_revision: 135454af32477f815a7525073027a3ff9eff1bfd 36 | 37 | # User provided section 38 | 39 | # List of Local paths (relative to this file) that should be 40 | # ignored by the migrate tool. 41 | # 42 | # Files that are not part of the templates will be ignored by default. 43 | unmanaged_files: 44 | - 'lib/main.dart' 45 | - 'ios/Runner.xcodeproj/project.pbxproj' 46 | -------------------------------------------------------------------------------- /.vscode/launch.json: -------------------------------------------------------------------------------- 1 | { 2 | // Use IntelliSense to learn about possible attributes. 3 | // Hover to view descriptions of existing attributes. 4 | // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 5 | "version": "0.2.0", 6 | "configurations": [ 7 | { 8 | "name": "Chapter 01", 9 | "request": "launch", 10 | "type": "dart", 11 | "program": "lib/Chapter01/main.dart" 12 | }, 13 | { 14 | "name": "Chapter 01 (profile mode example)", 15 | "request": "launch", 16 | "type": "dart", 17 | "flutterMode": "profile", 18 | "program": "lib/Chapter01/main.dart" 19 | }, 20 | { 21 | "name": "Chapter 01 (release mode example)", 22 | "request": "launch", 23 | "type": "dart", 24 | "flutterMode": "release" 25 | }, 26 | { 27 | "name": "Chapter 05 - main_column", 28 | "request": "launch", 29 | "type": "dart", 30 | "program": "lib/Chapter05/main_column.dart" 31 | }, 32 | { 33 | "name": "Chapter 05 - main_column_too_long", 34 | "request": "launch", 35 | "type": "dart", 36 | "program": "lib/Chapter05/main_column_too_long.dart" 37 | }, 38 | { 39 | "name": "Chapter 05 - main_list_view", 40 | "request": "launch", 41 | "type": "dart", 42 | "program": "lib/Chapter05/main_list_view.dart" 43 | }, 44 | { 45 | "name": "Chapter 06 - main", 46 | "request": "launch", 47 | "type": "dart", 48 | "program": "lib/Chapter06/main.dart" 49 | }, 50 | { 51 | "name": "Chapter 06 - main_form", 52 | "request": "launch", 53 | "type": "dart", 54 | "program": "lib/Chapter06/main_form.dart" 55 | }, 56 | { 57 | "name": "Chapter 07 - main", 58 | "request": "launch", 59 | "type": "dart", 60 | "program": "lib/Chapter07/main.dart" 61 | }, 62 | { 63 | "name": "Chapter 08 - main", 64 | "request": "launch", 65 | "type": "dart", 66 | "program": "lib/Chapter08/main.dart" 67 | }, 68 | { 69 | "name": "Chapter 08 - main_named", 70 | "request": "launch", 71 | "type": "dart", 72 | "program": "lib/Chapter08/main_named.dart" 73 | }, 74 | { 75 | "name": "Chapter 08 - main_named_arguments", 76 | "request": "launch", 77 | "type": "dart", 78 | "program": "lib/Chapter08/main_named_arguments.dart" 79 | }, 80 | { 81 | "name": "Chapter 08 - main_result", 82 | "request": "launch", 83 | "type": "dart", 84 | "program": "lib/Chapter08/main_result.dart" 85 | }, 86 | { 87 | "name": "Chapter 08 - main_navigator2", 88 | "request": "launch", 89 | "type": "dart", 90 | "program": "lib/Chapter08/main_navigator2.dart" 91 | }, 92 | { 93 | "name": "Chapter 08 - main_transition", 94 | "request": "launch", 95 | "type": "dart", 96 | "program": "lib/Chapter08/main_transition.dart" 97 | }, 98 | { 99 | "name": "Chapter 08 - main_transition_class", 100 | "request": "launch", 101 | "type": "dart", 102 | "program": "lib/Chapter08/main_transition_class.dart" 103 | }, 104 | { 105 | "name": "Chapter 09 - main", 106 | "request": "launch", 107 | "type": "dart", 108 | "program": "lib/Chapter09/main.dart" 109 | }, 110 | { 111 | "name": "Chapter 11 - main", 112 | "request": "launch", 113 | "type": "dart", 114 | "program": "lib/Chapter11/main.dart" 115 | } 116 | ] 117 | } -------------------------------------------------------------------------------- /.vscode/settings.json: -------------------------------------------------------------------------------- 1 | { 2 | "cmake.configureOnOpen": false 3 | } -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Flutter for Beginners - Third Edition 2 | 3 | 4 | 5 | This is the code repository for [Flutter for Beginners - Third Edition](https://www.packtpub.com/product/flutter-for-beginners-third-edition/9781837630387), published by Packt. 6 | 7 | **Cross-platform mobile development from Hello, World! to app release with Flutter 3.10+ and Dart 3.x** 8 | 9 | ## What is this book about? 10 | There have been many attempts at creating frameworks that are truly cross-platform, but most struggle to create a native-like experience at high performance levels. Flutter achieves this with an elegant design and a wealth of third-party plugins, making it the future of mobile app development. If you are a mobile developer who wants to create rich and expressive native apps with the latest Google Flutter framework, this book is for you. 11 | 12 | This book covers the following exciting features: 13 | * Understand the Flutter framework and cross-platform development 14 | * Acclimate the fundamentals of the Dart programming language 15 | * Explore Flutter widgets, the core widget library, and stateful and stateless widgets 16 | * Discover the complete development lifecycle, including testing and debugging 17 | * Get familiar with both the mobile and web app release processes 18 | * Dig deeper into more advanced Flutter concepts like animation 19 | * Explore common Flutter plugins ad how to use them 20 | * Discover the Flutter community and how to stay up-to-date 21 | 22 | If you feel this book is for you, get your [copy](https://www.amazon.com/dp/1837630380) today! 23 | 24 | https://www.packtpub.com/ 26 | 27 | 28 | ## Instructions and Navigations 29 | All of the code is organized into sub-folders within either the lib or test top-level folders. For example, Chapter01. 30 | 31 | The code will look like the following: 32 | ``` 33 | void main() { 34 | for (int i = 0; i < 5; i++) { 35 | print('hello ${i + 1}'); 36 | } 37 | } 38 | 39 | ``` 40 | 41 | ## Running the code 42 | To run the code you will need to specify which chapter you wish to run, and which main method to run within the chapter, because the code is split by chapter and, in some chapters, there are multiple files with main methods within them. 43 | Use the following command with the correct chapter number and main file name: 44 | flutter run -t lib/Chapter01/main.dart 45 | 46 | **Following is what you need for this book:** 47 | 48 | This book is for developers looking to learn Google's revolutionary framework Flutter from scratch. No prior knowledge of Flutter or Dart is required. 49 | 50 | With the following software and hardware list you can run all code files present in the book (Chapter 1-13). 51 | 52 | ### Software and Hardware List 53 | 54 | | Chapter | Software required | OS required | 55 | | -------- | ----------------------------------------------| -----------------------------------| 56 | | 1-13 | IDE - Visual Studio Code or Android Studio | Windows, Mac OS X, and Linux (Any) | 57 | | 1-13 | SDK - Flutter | Windows, Mac OS X, and Linux (Any) | 58 | 59 | ## Errata 60 | 61 | * Page 153 (Paragraph 3, under GenstureDetector line 1): **stateless widget** _should be_ **StatefulWidget** 62 | 63 | ### Related products 64 | * Flutter Projects [[Packt]](https://www.packtpub.com/product/flutter-projects/9781838647773?utm_source=github&utm_medium=repository&utm_campaign=9781838647773) [[Amazon]](https://www.amazon.com/dp/1838647775) 65 | 66 | * Flutter Cookbook [[Packt]](https://www.packtpub.com/product/flutter-cookbook/9781838823382?utm_source=github&utm_medium=repository&utm_campaign=9781838823382) [[Amazon]](https://www.amazon.com/dp/1838823387) 67 | 68 | ## Get to Know the Authors 69 | **Thomas Bailey** 70 | has an extensive background in tech, working for companies and high-profile firms as a senior developer, solutions architect, and IT director. His education technology company uses Flutter as the sole technology powering their education apps, and he has enjoyed watching Flutter move from its initial beta release to the fully fledged and highly popular framework we see today. He loves to talk tech over a hot chocolate with anyone who will listen and is constantly exploring the cutting edge of tech and how it will shape our industry in the future. 71 | 72 | **Alessandro Biessek** 73 | was born in the beautiful city of Chapecó, in the state of Santa Catarina, southern Brazil, in 1993. He is currently working on mobile application development for Android and iOS in his hometown. He has more than 9 years of experience in development, from desktop development with Delphi to backend with PHP, Node.js, Golang, mobile development with Apache Flex, and Java/Kotlin. Most of his time is devoted to the development of Android apps. Always interested in new technologies, he has been following the Flutter framework for a long time, shown through its growth and adoption in recent months. 74 | 75 | ## Other books by the author 76 | * [Flutter for Beginners - First Edition](https://www.packtpub.com/product/flutter-for-beginners/9781788996082) 77 | * [Flutter for Beginners - Second Edition](https://www.packtpub.com/product/flutter-for-beginners-second-edition/9781800565999?utm_source=github&utm_medium=repository&utm_campaign=9781800565999) 78 | -------------------------------------------------------------------------------- /analysis_options.yaml: -------------------------------------------------------------------------------- 1 | # This file configures the analyzer, which statically analyzes Dart code to 2 | # check for errors, warnings, and lints. 3 | # 4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled 5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be 6 | # invoked from the command line by running `flutter analyze`. 7 | 8 | # The following line activates a set of recommended lints for Flutter apps, 9 | # packages, and plugins designed to encourage good coding practices. 10 | include: package:flutter_lints/flutter.yaml 11 | 12 | linter: 13 | # The lint rules applied to this project can be customized in the 14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml` 15 | # included above or to enable additional rules. A list of all available lints 16 | # and their documentation is published at 17 | # https://dart-lang.github.io/linter/lints/index.html. 18 | # 19 | # Instead of disabling a lint rule for the entire project in the 20 | # section below, it can also be suppressed for a single line of code 21 | # or a specific dart file by using the `// ignore: name_of_lint` and 22 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file 23 | # producing the lint. 24 | rules: 25 | # avoid_print: false # Uncomment to disable the `avoid_print` rule 26 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule 27 | 28 | # Additional information about this file can be found at 29 | # https://dart.dev/guides/language/analysis-options 30 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /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 flutter.compileSdkVersion 30 | ndkVersion flutter.ndkVersion 31 | 32 | compileOptions { 33 | sourceCompatibility JavaVersion.VERSION_1_8 34 | targetCompatibility JavaVersion.VERSION_1_8 35 | } 36 | 37 | kotlinOptions { 38 | jvmTarget = '1.8' 39 | } 40 | 41 | sourceSets { 42 | main.java.srcDirs += 'src/main/kotlin' 43 | } 44 | 45 | defaultConfig { 46 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 47 | applicationId "com.example.hello_world" 48 | // You can update the following values to match your application needs. 49 | // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration. 50 | minSdkVersion flutter.minSdkVersion 51 | targetSdkVersion flutter.targetSdkVersion 52 | versionCode flutterVersionCode.toInteger() 53 | versionName flutterVersionName 54 | } 55 | 56 | buildTypes { 57 | release { 58 | // TODO: Add your own signing config for the release build. 59 | // Signing with the debug keys for now, so `flutter run --release` works. 60 | signingConfig signingConfigs.debug 61 | } 62 | } 63 | } 64 | 65 | flutter { 66 | source '../..' 67 | } 68 | 69 | dependencies { 70 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 71 | } 72 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /android/app/src/main/kotlin/com/example/hello_world/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.hello_world 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 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/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.6.10' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:7.1.2' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | mavenCentral() 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.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | zipStoreBase=GRADLE_USER_HOME 4 | zipStorePath=wrapper/dists 5 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip 6 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /ios/.gitignore: -------------------------------------------------------------------------------- 1 | **/dgph 2 | *.mode1v3 3 | *.mode2v3 4 | *.moved-aside 5 | *.pbxuser 6 | *.perspectivev3 7 | **/*sync/ 8 | .sconsign.dblite 9 | .tags* 10 | **/.vagrant/ 11 | **/DerivedData/ 12 | Icon? 13 | **/Pods/ 14 | **/.symlinks/ 15 | profile 16 | xcuserdata 17 | **/.generated/ 18 | Flutter/App.framework 19 | Flutter/Flutter.framework 20 | Flutter/Flutter.podspec 21 | Flutter/Generated.xcconfig 22 | Flutter/ephemeral/ 23 | Flutter/app.flx 24 | Flutter/app.zip 25 | Flutter/flutter_assets/ 26 | Flutter/flutter_export_environment.sh 27 | ServiceDefinitions.json 28 | Runner/GeneratedPluginRegistrant.* 29 | 30 | # Exceptions to above rules. 31 | !default.mode1v3 32 | !default.mode2v3 33 | !default.pbxuser 34 | !default.perspectivev3 35 | -------------------------------------------------------------------------------- /ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 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 | 11.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 41 | 42 | 52 | 54 | 60 | 61 | 62 | 63 | 69 | 71 | 77 | 78 | 79 | 80 | 82 | 83 | 86 | 87 | 88 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /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 | 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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 | CFBundleDisplayName 8 | Hello World 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | hello_world 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | $(FLUTTER_BUILD_NUMBER) 25 | LSRequiresIPhoneOS 26 | 27 | UILaunchStoryboardName 28 | LaunchScreen 29 | UIMainStoryboardFile 30 | Main 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | UIViewControllerBasedStatusBarAppearance 45 | 46 | CADisableMinimumFrameDurationOnPhone 47 | 48 | UIApplicationSupportsIndirectInputEvents 49 | 50 | 51 | 52 | -------------------------------------------------------------------------------- /ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /lib/Chapter01/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | // This widget is the root of your application. 11 | @override 12 | Widget build(BuildContext context) { 13 | return MaterialApp( 14 | title: 'Flutter Demo', 15 | theme: ThemeData( 16 | // This is the theme of your application. 17 | // 18 | // Try running your application with "flutter run". You'll see the 19 | // application has a blue toolbar. Then, without quitting the app, try 20 | // changing the primarySwatch below to Colors.green and then invoke 21 | // "hot reload" (press "r" in the console where you ran "flutter run", 22 | // or simply save your changes to "hot reload" in a Flutter IDE). 23 | // Notice that the counter didn't reset back to zero; the application 24 | // is not restarted. 25 | primarySwatch: Colors.blue, 26 | ), 27 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 28 | ); 29 | } 30 | } 31 | 32 | class MyHomePage extends StatefulWidget { 33 | const MyHomePage({super.key, required this.title}); 34 | 35 | // This widget is the home page of your application. It is stateful, meaning 36 | // that it has a State object (defined below) that contains fields that affect 37 | // how it looks. 38 | 39 | // This class is the configuration for the state. It holds the values (in this 40 | // case the title) provided by the parent (in this case the App widget) and 41 | // used by the build method of the State. Fields in a Widget subclass are 42 | // always marked "final". 43 | 44 | final String title; 45 | 46 | @override 47 | State createState() => _MyHomePageState(); 48 | } 49 | 50 | class _MyHomePageState extends State { 51 | int _counter = 0; 52 | 53 | void _incrementCounter() { 54 | setState(() { 55 | // This call to setState tells the Flutter framework that something has 56 | // changed in this State, which causes it to rerun the build method below 57 | // so that the display can reflect the updated values. If we changed 58 | // _counter without calling setState(), then the build method would not be 59 | // called again, and so nothing would appear to happen. 60 | _counter++; 61 | }); 62 | } 63 | 64 | @override 65 | Widget build(BuildContext context) { 66 | // This method is rerun every time setState is called, for instance as done 67 | // by the _incrementCounter method above. 68 | // 69 | // The Flutter framework has been optimized to make rerunning build methods 70 | // fast, so that you can just rebuild anything that needs updating rather 71 | // than having to individually change instances of widgets. 72 | return Scaffold( 73 | appBar: AppBar( 74 | // Here we take the value from the MyHomePage object that was created by 75 | // the App.build method, and use it to set our appbar title. 76 | title: Text(widget.title), 77 | ), 78 | body: Center( 79 | // Center is a layout widget. It takes a single child and positions it 80 | // in the middle of the parent. 81 | child: Column( 82 | // Column is also a layout widget. It takes a list of children and 83 | // arranges them vertically. By default, it sizes itself to fit its 84 | // children horizontally, and tries to be as tall as its parent. 85 | // 86 | // Invoke "debug painting" (press "p" in the console, choose the 87 | // "Toggle Debug Paint" action from the Flutter Inspector in Android 88 | // Studio, or the "Toggle Debug Paint" command in Visual Studio Code) 89 | // to see the wireframe for each widget. 90 | // 91 | // Column has various properties to control how it sizes itself and 92 | // how it positions its children. Here we use mainAxisAlignment to 93 | // center the children vertically; the main axis here is the vertical 94 | // axis because Columns are vertical (the cross axis would be 95 | // horizontal). 96 | mainAxisAlignment: MainAxisAlignment.center, 97 | children: [ 98 | const Text( 99 | 'You have pushed the button this many times:', 100 | ), 101 | Text( 102 | '$_counter', 103 | style: Theme.of(context).textTheme.headline4, 104 | ), 105 | ], 106 | ), 107 | ), 108 | floatingActionButton: FloatingActionButton( 109 | onPressed: _incrementCounter, 110 | tooltip: 'Increment', 111 | child: const Icon(Icons.add), 112 | ), // This trailing comma makes auto-formatting nicer for build methods. 113 | ); 114 | } 115 | } 116 | -------------------------------------------------------------------------------- /lib/Chapter02/anonymous.dart: -------------------------------------------------------------------------------- 1 | void main() { 2 | List list = [1, 2, 3, 4]; 3 | list.forEach((number) => print('hello $number')); 4 | } 5 | -------------------------------------------------------------------------------- /lib/Chapter02/happy_birthday_example.dart: -------------------------------------------------------------------------------- 1 | sayHappyBirthdayPositional(String name, int age) { 2 | return "$name is ${age.toString()} years old"; 3 | } 4 | 5 | sayHappyBirthdayOptional(String name, [int? age]) { 6 | return "$name is $age years old"; 7 | } 8 | 9 | sayHappyBirthdayOptionalDefault(String name, [int age = 21]) { 10 | return "Happy birthday $name! You are $age years old."; 11 | } 12 | 13 | void main() { 14 | var hello = sayHappyBirthdayOptionalDefault('Robert'); 15 | print(hello); 16 | } 17 | // Prints Happy birthday Robert! You are 21 years old. 18 | 19 | sayHappyBirthdayNamedParameters(String name, {int age = 7}) { 20 | return "Happy birthday $name! You are $age years old."; 21 | } 22 | 23 | sayHappyBirthdayNamedRequired(String name, {required int age}) { 24 | return "Happy birthday $name! You are $age years old."; 25 | } 26 | -------------------------------------------------------------------------------- /lib/Chapter02/hello_example.dart: -------------------------------------------------------------------------------- 1 | void main() { 2 | String helloMessage = sayHello(); 3 | print(helloMessage); 4 | } 5 | 6 | String sayHello() { 7 | return "Hello world!"; 8 | } 9 | -------------------------------------------------------------------------------- /lib/Chapter02/main.dart: -------------------------------------------------------------------------------- 1 | void main() { 2 | for (int i = 0; i < 5; i++) { 3 | print('hello ${i + 1}'); 4 | } 5 | } 6 | 7 | void variables() { 8 | var inferredString = "Hello"; // Type inferred as String 9 | String explicitString = "World"; // Type is explicit 10 | } 11 | 12 | void nullSafety() { 13 | // Old null unsafe code: 14 | //int newNumber; // newNumber is initialized to null 15 | //print(newNumber); // Prints null 16 | //newNumber = 42; // Update the value of newNumber 17 | //print(newNumber); // Prints 42 18 | 19 | int? newNumber; // newNumber type allows nullability 20 | print(newNumber); // Prints null 21 | newNumber = 42; // Update the value of newNumber 22 | print(newNumber); // Prints 42 23 | } 24 | 25 | void lateVariables() { 26 | late int newNumber; // newNumber type allows nullability 27 | // Do some initialisation stuff 28 | newNumber = 42; // Update the value of newNumber 29 | print(newNumber); // Prints 42 30 | 31 | int? goals; 32 | 33 | // Invalid print statement due to nullability 34 | //print(goals + 2); 35 | 36 | // Corrected by testing for null 37 | if (goals != null) { 38 | print(goals + 2); 39 | } 40 | } 41 | 42 | void lists() { 43 | List dynamicList = []; // Create an empty List 44 | print(dynamicList.length); // Prints 0 45 | dynamicList.add("Hello"); 46 | print(dynamicList[0]); // Prints “World” 47 | print(dynamicList.length); // Prints 1 48 | List preFilledDynamicList = [1, 2, 3]; 49 | print(preFilledDynamicList[0]); // Prints 1 50 | print(preFilledDynamicList.length); // Prints 3 51 | 52 | List fixedList = List.filled(3, "World"); 53 | fixedList.add("Hello"); // Error 54 | fixedList[0] = "Hello"; 55 | print(fixedList[0]); // Prints "“Hello"”; 56 | print(fixedList[1]); // Prints "“World"”; 57 | } 58 | 59 | void maps() { 60 | Map nameAgeMap = {}; // Create an empty Map 61 | nameAgeMap["Alice"] = 23; 62 | print(nameAgeMap["Alice"]); // Prints 23 63 | Map preFilledMap = {"Sarah": 1, "Alex": 2}; 64 | print(preFilledMap["Sarah"]); // Prints 1 65 | print(preFilledMap.length); // Prints 2 66 | preFilledMap.remove("Alex"); 67 | print(preFilledMap.length); // Prints 1 68 | } 69 | 70 | void strings() { 71 | String singleQuoteString = 'Here is a single quote string'; 72 | String doubleQuoteString = "Here is a double quote string"; 73 | 74 | String multiLineString = '''Here is a multi-line single 75 | quote string'''; 76 | 77 | String str1 = 'Here is a '; 78 | String str2 = str1 + 'concatenated string'; 79 | print(str2); // Prints Here is a concatenated string 80 | print(str2[0]); // Prints the single character 'H' 81 | 82 | String someString = "Happy string"; 83 | print("The string is: $someString"); 84 | // prints The string is: Happy string 85 | // No curly brackets were required 86 | print("The string length is: ${someString.length}"); 87 | // prints The string length is: 16 88 | // Curly brackets were required 89 | print("The string length is: $someString.length"); 90 | // prints The string length is: Happy string.length 91 | // Omitting the curly brackets meant only the variable was evaluated, not the method on the variable. 92 | } 93 | 94 | void finalAndConst() { 95 | final String defaultLocation = "Staithes"; 96 | const int defaultStars = 3; 97 | } 98 | 99 | void dynamicAndAs() { 100 | Map json = {}; 101 | final id = json['id'] as String; 102 | } 103 | 104 | void operators() { 105 | int totalGoals = 2; 106 | totalGoals = totalGoals + 3; // Without shortcut 107 | totalGoals += 3; // With shortcut 108 | print("The goal total is: $totalGoals"); // Prints 8 109 | } 110 | 111 | void ifElse() { 112 | String winners = "Middlesbrough"; 113 | if (winners == "Everton") { 114 | print("Everton win"); 115 | } else if (winners == "Middlesbrough") { 116 | print("Middlesbrough win"); 117 | } else { 118 | print("Draw"); 119 | } 120 | // Prints Middlesbrough win 121 | if (winners == "Middlesbrough") print("Middlesbrough win again"); 122 | // Prints Middlesbrough win again 123 | 124 | String test = "true"; 125 | // Invalid test - truthy is not supported by Dart 126 | // if (test) { 127 | // print("Truthy"); 128 | //} 129 | } 130 | 131 | void whileLoops() { 132 | int counter = 0; 133 | while (counter < 2) { 134 | print(counter); 135 | counter++; 136 | } 137 | // Prints 0, 1 138 | do { 139 | print(counter); 140 | counter++; 141 | } while (counter < 2); 142 | // Prints 2 143 | } 144 | 145 | void forLoop() { 146 | for (int index = 0; index < 2; index++) { 147 | print(index); 148 | } 149 | // Prints 0, 1 150 | } 151 | 152 | void breakContinue() { 153 | int counter = 0; 154 | while (counter < 10) { 155 | counter++; 156 | if (counter == 4) { 157 | break; 158 | } else if (counter == 2) { 159 | continue; 160 | } 161 | print(counter); 162 | } 163 | // Prints 1, 3 164 | } 165 | 166 | void switchStatement() { 167 | String location = "Whitby"; 168 | switch (location) { 169 | case "Whitby": 170 | // Show Whitby information 171 | break; 172 | case "Saltburn": 173 | // Show Saltburn information 174 | break; 175 | default: 176 | // Show error message, no location information found 177 | } 178 | } 179 | -------------------------------------------------------------------------------- /lib/Chapter02/records.dart: -------------------------------------------------------------------------------- 1 | (String, int, String, int) getFinalScore() { 2 | return ("Middlesbrough", 4, "Manchester City", 0); 3 | } 4 | 5 | void main() { 6 | { 7 | var finalScore = getFinalScore(); 8 | var homeTeam = finalScore.$1; 9 | } 10 | 11 | { 12 | var (homeTeam, homeScore, awayTeam, awayScore) = getFinalScore(); 13 | print(homeTeam); 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /lib/Chapter02/scope.dart: -------------------------------------------------------------------------------- 1 | globalFunction() { 2 | print("Top-level globalFunction"); 3 | } 4 | 5 | simpleFunction() { 6 | print("SimpleFunction"); 7 | globalFunction() { 8 | print("Nested globalFunction"); 9 | } 10 | 11 | globalFunction(); 12 | } 13 | 14 | main() { 15 | simpleFunction(); 16 | globalFunction(); 17 | } 18 | -------------------------------------------------------------------------------- /lib/Chapter04/abstract.dart: -------------------------------------------------------------------------------- 1 | abstract class Person { 2 | String firstName; 3 | String lastName; 4 | Person(this.firstName, this.lastName); 5 | String get fullName; 6 | } 7 | 8 | class Student extends Person { 9 | String nickName; 10 | Student( 11 | String firstName, 12 | String lastName, 13 | this.nickName, 14 | ) : super(firstName, lastName); 15 | 16 | @override 17 | String get fullName => "$firstName $lastName"; 18 | 19 | @override 20 | String toString() => "$fullName, aka $nickName"; 21 | } 22 | 23 | class Student2 implements Person { 24 | String nickName; 25 | @override 26 | String firstName; 27 | @override 28 | String lastName; 29 | Student2(this.firstName, this.lastName, this.nickName); 30 | @override 31 | String get fullName => "$firstName $lastName"; 32 | @override 33 | String toString() => "$fullName, also known as $nickName"; 34 | } 35 | 36 | abstract interface class Person2 { 37 | String get fullName; 38 | String toString(); 39 | } 40 | 41 | main() { 42 | Person student = Student("Clark", "Kent", "Kal-El"); 43 | // Works because we are instantiating the subtype 44 | // Person p = new Person(); 45 | // abstract classes cannot be instantiated 46 | print(student); 47 | } 48 | -------------------------------------------------------------------------------- /lib/Chapter04/enum.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/foundation.dart'; 2 | 3 | enum PersonType { student, employee } 4 | 5 | class Person { 6 | PersonType type; 7 | 8 | String? firstName; 9 | String? lastName; 10 | 11 | Person(this.type); 12 | 13 | String get fullName => "$firstName $lastName"; 14 | set fullName(String fullName) { 15 | var parts = fullName.split(" "); 16 | this.firstName = parts.first; 17 | this.lastName = parts.last; 18 | } 19 | } 20 | 21 | main() { 22 | print(PersonType.values); 23 | Person somePerson = Person(PersonType.student); 24 | somePerson.type = PersonType.employee; 25 | print(somePerson.type); 26 | print(somePerson.type.index); 27 | print(describeEnum(PersonType.employee)); 28 | 29 | switch (somePerson.type) { 30 | case PersonType.student: 31 | print('Learning time!'); 32 | break; 33 | case PersonType.employee: 34 | print('Meeting time!'); 35 | break; 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /lib/Chapter04/futures.dart: -------------------------------------------------------------------------------- 1 | import 'dart:io'; 2 | 3 | void longRunningOperation() { 4 | for (int i = 0; i < 5; i++) { 5 | sleep(Duration(seconds: 1)); 6 | print("Index: $i"); 7 | } 8 | } 9 | 10 | Future longRunningOperation2() async { 11 | for (int i = 0; i < 5; i++) { 12 | sleep(Duration(seconds: 1)); 13 | print("Index: $i"); 14 | } 15 | } 16 | 17 | Future longRunningOperation3() async { 18 | for (int i = 0; i < 5; i++) { 19 | await Future.delayed(Duration(seconds: 1)); 20 | print("Index: $i"); 21 | } 22 | } 23 | 24 | main() { 25 | print("Start of long running operation"); 26 | longRunningOperation(); 27 | print("Continuing main body"); 28 | for (int i = 10; i < 15; i++) { 29 | sleep(Duration(seconds: 1)); 30 | print("Index from main: $i"); 31 | } 32 | print("End of main"); 33 | } 34 | 35 | main2() async { 36 | print("Start of long running operation"); 37 | longRunningOperation3(); 38 | print("Continuing main body"); 39 | for (int i = 10; i < 15; i++) { 40 | await Future.delayed(Duration(seconds: 1)); 41 | print("Index from main: $i"); 42 | } 43 | print("End of main"); 44 | } 45 | -------------------------------------------------------------------------------- /lib/Chapter04/generics.dart: -------------------------------------------------------------------------------- 1 | main() { 2 | List placeNames = ["Middlesbrough", "New York"]; 3 | placeNames.add(1); 4 | print("Place names: $placeNames"); 5 | } 6 | // prints Place names: [Middlesbrough, New York, 1] 7 | 8 | main2() { 9 | var placeNames = ["Middlesbrough", "New York"]; 10 | var landmarks = { 11 | "Middlesbrough": "Transporter bridge", 12 | "New York": "Statue of Liberty", 13 | }; 14 | } 15 | 16 | main3() { 17 | var landmarks = { 18 | "Middlesbrough": "Transporter bridge", 19 | "New York": "Statue of Liberty", 20 | "Barnmouth": null, 21 | }; 22 | } 23 | -------------------------------------------------------------------------------- /lib/Chapter04/isolate.dart: -------------------------------------------------------------------------------- 1 | import 'dart:isolate'; 2 | 3 | Future longRunningOperation(String message) async { 4 | for (int i = 0; i < 5; i++) { 5 | await Future.delayed(Duration(seconds: 1)); 6 | print("$message: $i"); 7 | } 8 | } 9 | 10 | void main() async { 11 | print("start of long running operation"); 12 | Isolate.spawn(longRunningOperation, "Hello"); 13 | print("Continuing main body"); 14 | for (int i = 10; i < 15; i++) { 15 | await Future.delayed(Duration(seconds: 1)); 16 | print("Index from main: $i"); 17 | } 18 | print("End of main"); 19 | } 20 | -------------------------------------------------------------------------------- /lib/Chapter04/mixin.dart: -------------------------------------------------------------------------------- 1 | abstract class Person { 2 | String firstName; 3 | String lastName; 4 | Person(this.firstName, this.lastName); 5 | } 6 | 7 | mixin class ProgrammingSkills { 8 | coding() { 9 | print("writing code..."); 10 | } 11 | } 12 | 13 | mixin class ManagementSkills { 14 | manage() { 15 | print("managing project..."); 16 | } 17 | } 18 | 19 | class SeniorDeveloper extends Person with ProgrammingSkills, ManagementSkills { 20 | SeniorDeveloper(String firstName, String lastName) : super(firstName, lastName); 21 | } 22 | 23 | class JuniorDeveloper extends Person with ProgrammingSkills { 24 | JuniorDeveloper(String firstName, String lastName) : super(firstName, lastName); 25 | } 26 | -------------------------------------------------------------------------------- /lib/Chapter04/person_version1.dart: -------------------------------------------------------------------------------- 1 | class Person { 2 | String? firstName; 3 | String? lastName; 4 | 5 | String get fullName => "$firstName $lastName"; 6 | set fullName(String fullName) { 7 | var parts = fullName.split(" "); 8 | this.firstName = parts.first; 9 | this.lastName = parts.last; 10 | } 11 | } 12 | 13 | main() { 14 | Person somePerson = Person(); 15 | somePerson.firstName = "Clark"; 16 | somePerson.lastName = "Kent"; 17 | 18 | print(somePerson.fullName); // prints Clark Kent 19 | somePerson.fullName = "peter parker"; 20 | } 21 | -------------------------------------------------------------------------------- /lib/Chapter04/person_version2.dart: -------------------------------------------------------------------------------- 1 | class Person { 2 | String? firstName; 3 | String? lastName; 4 | 5 | static String personLabel = "Person name :"; 6 | String get fullName => "$personLabel $firstName $lastName"; 7 | 8 | set fullName(String fullName) { 9 | var parts = fullName.split(" "); 10 | this.firstName = parts.first; 11 | this.lastName = parts.last; 12 | } 13 | 14 | static void printsPerson(Person person) { 15 | print("$personLabel ${person.firstName} ${person.lastName}"); 16 | } 17 | } 18 | 19 | main() { 20 | Person somePerson = Person(); 21 | somePerson.firstName = "Clark"; 22 | somePerson.lastName = "Kent"; 23 | Person anotherPerson = Person(); 24 | anotherPerson.firstName = "Peter"; 25 | anotherPerson.lastName = "Parker"; 26 | print(somePerson.fullName); 27 | // prints Person name: Clark kent 28 | print(anotherPerson.fullName); 29 | // prints Person name: Peter Parker 30 | Person.personLabel = "name:"; 31 | print(somePerson.fullName); 32 | // prints name: Clark Kent 33 | print(anotherPerson.fullName); 34 | // prints name: Peter Parker 35 | } 36 | -------------------------------------------------------------------------------- /lib/Chapter04/person_version3.dart: -------------------------------------------------------------------------------- 1 | class Person { 2 | String firstName; 3 | String lastName; 4 | Person(this.firstName, this.lastName); 5 | String getFullName() => "$firstName $lastName"; 6 | } 7 | 8 | class Student extends Person { 9 | String nickName; 10 | Student( 11 | String firstName, 12 | String lastName, 13 | this.nickName, 14 | ) : super(firstName, lastName); 15 | 16 | @override 17 | String toString() => "${getFullName()}, aka $nickName"; 18 | } 19 | 20 | main() { 21 | Student student = Student("Clark", "Kent", "Kal-El"); 22 | print(student); 23 | } 24 | -------------------------------------------------------------------------------- /lib/Chapter05/destination_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationWidget extends StatelessWidget { 4 | DestinationWidget({required this.destinationName}); 5 | 6 | final String destinationName; 7 | 8 | @override 9 | Widget build(BuildContext context) { 10 | return Text(destinationName); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /lib/Chapter05/main_column.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter05/destination_widget.dart'; 3 | 4 | void main() { 5 | runApp(const MyApp()); 6 | } 7 | 8 | class MyApp extends StatelessWidget { 9 | const MyApp({super.key}); 10 | 11 | // This widget is the root of your application. 12 | @override 13 | Widget build(BuildContext context) { 14 | return MaterialApp( 15 | title: 'Flutter Demo', 16 | theme: ThemeData( 17 | // This is the theme of your application. 18 | // 19 | // Try running your application with "flutter run". You'll see the 20 | // application has a blue toolbar. Then, without quitting the app, try 21 | // changing the primarySwatch below to Colors.green and then invoke 22 | // "hot reload" (press "r" in the console where you ran "flutter run", 23 | // or simply save your changes to "hot reload" in a Flutter IDE). 24 | // Notice that the counter didn't reset back to zero; the application 25 | // is not restarted. 26 | primarySwatch: Colors.blue, 27 | ), 28 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 29 | ); 30 | } 31 | } 32 | 33 | class MyHomePage extends StatefulWidget { 34 | const MyHomePage({super.key, required this.title}); 35 | 36 | // This widget is the home page of your application. It is stateful, meaning 37 | // that it has a State object (defined below) that contains fields that affect 38 | // how it looks. 39 | 40 | // This class is the configuration for the state. It holds the values (in this 41 | // case the title) provided by the parent (in this case the App widget) and 42 | // used by the build method of the State. Fields in a Widget subclass are 43 | // always marked "final". 44 | 45 | final String title; 46 | 47 | @override 48 | State createState() => _MyHomePageState(); 49 | } 50 | 51 | class _MyHomePageState extends State { 52 | @override 53 | Widget build(BuildContext context) { 54 | return Scaffold( 55 | appBar: AppBar( 56 | title: Text(widget.title), 57 | ), 58 | body: Center( 59 | child: Column( 60 | crossAxisAlignment: CrossAxisAlignment.start, 61 | mainAxisSize: MainAxisSize.min, 62 | children: [ 63 | DestinationWidget(destinationName: 'Staithes'), 64 | DestinationWidget(destinationName: 'Saltburn'), 65 | DestinationWidget(destinationName: 'Whitby'), 66 | ], 67 | )), 68 | ); 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /lib/Chapter05/main_column_too_long.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter05/destination_widget.dart'; 3 | 4 | void main() { 5 | runApp(const MyApp()); 6 | } 7 | 8 | class MyApp extends StatelessWidget { 9 | const MyApp({super.key}); 10 | 11 | // This widget is the root of your application. 12 | @override 13 | Widget build(BuildContext context) { 14 | return MaterialApp( 15 | title: 'Flutter Demo', 16 | theme: ThemeData( 17 | // This is the theme of your application. 18 | // 19 | // Try running your application with "flutter run". You'll see the 20 | // application has a blue toolbar. Then, without quitting the app, try 21 | // changing the primarySwatch below to Colors.green and then invoke 22 | // "hot reload" (press "r" in the console where you ran "flutter run", 23 | // or simply save your changes to "hot reload" in a Flutter IDE). 24 | // Notice that the counter didn't reset back to zero; the application 25 | // is not restarted. 26 | primarySwatch: Colors.blue, 27 | ), 28 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 29 | ); 30 | } 31 | } 32 | 33 | class MyHomePage extends StatefulWidget { 34 | const MyHomePage({super.key, required this.title}); 35 | 36 | // This widget is the home page of your application. It is stateful, meaning 37 | // that it has a State object (defined below) that contains fields that affect 38 | // how it looks. 39 | 40 | // This class is the configuration for the state. It holds the values (in this 41 | // case the title) provided by the parent (in this case the App widget) and 42 | // used by the build method of the State. Fields in a Widget subclass are 43 | // always marked "final". 44 | 45 | final String title; 46 | 47 | @override 48 | State createState() => _MyHomePageState(); 49 | } 50 | 51 | class _MyHomePageState extends State { 52 | @override 53 | Widget build(BuildContext context) { 54 | return Scaffold( 55 | appBar: AppBar( 56 | title: Text(widget.title), 57 | ), 58 | body: Center( 59 | child: Column( 60 | crossAxisAlignment: CrossAxisAlignment.start, 61 | mainAxisSize: MainAxisSize.min, 62 | children: [ 63 | Padding( 64 | padding: const EdgeInsets.all(16), 65 | child: DestinationWidget(destinationName: 'Staithes'), 66 | ), 67 | Padding( 68 | padding: const EdgeInsets.all(16), 69 | child: DestinationWidget(destinationName: 'Staithes'), 70 | ), 71 | Padding( 72 | padding: const EdgeInsets.all(16), 73 | child: DestinationWidget(destinationName: 'Staithes'), 74 | ), 75 | Padding( 76 | padding: const EdgeInsets.all(16), 77 | child: DestinationWidget(destinationName: 'Staithes'), 78 | ), 79 | Padding( 80 | padding: const EdgeInsets.all(16), 81 | child: DestinationWidget(destinationName: 'Staithes'), 82 | ), 83 | Padding( 84 | padding: const EdgeInsets.all(16), 85 | child: DestinationWidget(destinationName: 'Staithes'), 86 | ), 87 | Padding( 88 | padding: const EdgeInsets.all(16), 89 | child: DestinationWidget(destinationName: 'Staithes'), 90 | ), 91 | Padding( 92 | padding: const EdgeInsets.all(16), 93 | child: DestinationWidget(destinationName: 'Staithes'), 94 | ), 95 | Padding( 96 | padding: const EdgeInsets.all(16), 97 | child: DestinationWidget(destinationName: 'Staithes'), 98 | ), 99 | Padding( 100 | padding: const EdgeInsets.all(16), 101 | child: DestinationWidget(destinationName: 'Staithes'), 102 | ), 103 | Padding( 104 | padding: const EdgeInsets.all(16), 105 | child: DestinationWidget(destinationName: 'Staithes'), 106 | ), 107 | Padding( 108 | padding: const EdgeInsets.all(16), 109 | child: DestinationWidget(destinationName: 'Staithes'), 110 | ), 111 | ], 112 | ), 113 | ), 114 | ); 115 | } 116 | } 117 | -------------------------------------------------------------------------------- /lib/Chapter05/main_list_view.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter05/destination_widget.dart'; 3 | 4 | void main() { 5 | runApp(const MyApp()); 6 | } 7 | 8 | class MyApp extends StatelessWidget { 9 | const MyApp({super.key}); 10 | 11 | // This widget is the root of your application. 12 | @override 13 | Widget build(BuildContext context) { 14 | return MaterialApp( 15 | title: 'Flutter Demo', 16 | theme: ThemeData( 17 | // This is the theme of your application. 18 | // 19 | // Try running your application with "flutter run". You'll see the 20 | // application has a blue toolbar. Then, without quitting the app, try 21 | // changing the primarySwatch below to Colors.green and then invoke 22 | // "hot reload" (press "r" in the console where you ran "flutter run", 23 | // or simply save your changes to "hot reload" in a Flutter IDE). 24 | // Notice that the counter didn't reset back to zero; the application 25 | // is not restarted. 26 | primarySwatch: Colors.blue, 27 | ), 28 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 29 | ); 30 | } 31 | } 32 | 33 | class MyHomePage extends StatefulWidget { 34 | const MyHomePage({super.key, required this.title}); 35 | 36 | // This widget is the home page of your application. It is stateful, meaning 37 | // that it has a State object (defined below) that contains fields that affect 38 | // how it looks. 39 | 40 | // This class is the configuration for the state. It holds the values (in this 41 | // case the title) provided by the parent (in this case the App widget) and 42 | // used by the build method of the State. Fields in a Widget subclass are 43 | // always marked "final". 44 | 45 | final String title; 46 | 47 | @override 48 | State createState() => _MyHomePageState(); 49 | } 50 | 51 | class _MyHomePageState extends State { 52 | @override 53 | Widget build(BuildContext context) { 54 | return Scaffold( 55 | appBar: AppBar( 56 | title: Text(widget.title), 57 | ), 58 | body: Center( 59 | child: ListView( 60 | children: [ 61 | Padding( 62 | padding: const EdgeInsets.all(16), 63 | child: DestinationWidget(destinationName: 'Staithes'), 64 | ), 65 | Padding( 66 | padding: const EdgeInsets.all(16), 67 | child: DestinationWidget(destinationName: 'Staithes'), 68 | ), 69 | Padding( 70 | padding: const EdgeInsets.all(16), 71 | child: DestinationWidget(destinationName: 'Staithes'), 72 | ), 73 | Padding( 74 | padding: const EdgeInsets.all(16), 75 | child: DestinationWidget(destinationName: 'Staithes'), 76 | ), 77 | Padding( 78 | padding: const EdgeInsets.all(16), 79 | child: DestinationWidget(destinationName: 'Staithes'), 80 | ), 81 | Padding( 82 | padding: const EdgeInsets.all(16), 83 | child: DestinationWidget(destinationName: 'Staithes'), 84 | ), 85 | Padding( 86 | padding: const EdgeInsets.all(16), 87 | child: DestinationWidget(destinationName: 'Staithes'), 88 | ), 89 | Padding( 90 | padding: const EdgeInsets.all(16), 91 | child: DestinationWidget(destinationName: 'Staithes'), 92 | ), 93 | Padding( 94 | padding: const EdgeInsets.all(16), 95 | child: DestinationWidget(destinationName: 'Staithes'), 96 | ), 97 | Padding( 98 | padding: const EdgeInsets.all(16), 99 | child: DestinationWidget(destinationName: 'Staithes'), 100 | ), 101 | Padding( 102 | padding: const EdgeInsets.all(16), 103 | child: DestinationWidget(destinationName: 'Staithes'), 104 | ), 105 | Padding( 106 | padding: const EdgeInsets.all(16), 107 | child: DestinationWidget(destinationName: 'Staithes'), 108 | ), 109 | ], 110 | ), 111 | ), 112 | ); 113 | } 114 | } 115 | -------------------------------------------------------------------------------- /lib/Chapter06/destination_like.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationLike extends StatefulWidget { 4 | DestinationLike({Key? key}) : super(key: key); 5 | 6 | @override 7 | State createState() => _DestinationLikeState(); 8 | } 9 | 10 | class _DestinationLikeState extends State { 11 | int _likeCounter = 0; 12 | @override 13 | Widget build(BuildContext context) { 14 | return GestureDetector( 15 | onTap: () { 16 | setState(() { 17 | _likeCounter++; 18 | }); 19 | }, 20 | child: Container( 21 | color: Colors.grey, 22 | child: Text( 23 | "Like count: $_likeCounter", 24 | ), 25 | ), 26 | ); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /lib/Chapter06/destination_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationWidget extends StatefulWidget { 4 | DestinationWidget({required this.destinationName}); 5 | 6 | final String destinationName; 7 | 8 | @override 9 | State createState() => _DestinationWidgetState(); 10 | } 11 | 12 | class _DestinationWidgetState extends State { 13 | late int _likeCounter; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | 19 | _likeCounter = 0; 20 | } 21 | 22 | @override 23 | Widget build(BuildContext context) { 24 | return Row( 25 | children: [ 26 | Text(widget.destinationName), 27 | Column( 28 | children: [ 29 | IconButton( 30 | onPressed: () { 31 | setState(() { 32 | _likeCounter++; 33 | }); 34 | }, 35 | icon: const Icon(Icons.thumb_up), 36 | ), 37 | Text(_likeCounter.toString()), 38 | ], 39 | ), 40 | ], 41 | ); 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /lib/Chapter06/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | theme: ThemeData( 15 | primarySwatch: Colors.blue, 16 | ), 17 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 18 | ); 19 | } 20 | } 21 | 22 | class MyHomePage extends StatefulWidget { 23 | const MyHomePage({super.key, required this.title}); 24 | 25 | final String title; 26 | 27 | @override 28 | State createState() => _MyHomePageState(); 29 | } 30 | 31 | class _MyHomePageState extends State { 32 | final _key = GlobalKey(); 33 | @override 34 | Widget build(BuildContext context) { 35 | return Scaffold( 36 | appBar: AppBar( 37 | title: Text(widget.title), 38 | ), 39 | body: Center( 40 | child: Form( 41 | key: _key, 42 | child: Column( 43 | children: [ 44 | TextFormField(), 45 | Builder( 46 | builder: (BuildContext subContext) => TextButton( 47 | onPressed: () { 48 | final valid = Form.of(subContext).validate(); 49 | print("valid: $valid"); 50 | }, 51 | child: Text("validate"), 52 | ), 53 | ), 54 | ], 55 | ), 56 | ), 57 | ), 58 | ); 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /lib/Chapter06/main_form.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter/services.dart'; 3 | 4 | void main() { 5 | runApp(const MyApp()); 6 | } 7 | 8 | class MyApp extends StatelessWidget { 9 | const MyApp({super.key}); 10 | 11 | @override 12 | Widget build(BuildContext context) { 13 | return MaterialApp( 14 | title: 'Flutter Demo', 15 | theme: ThemeData( 16 | primarySwatch: Colors.blue, 17 | ), 18 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 19 | ); 20 | } 21 | } 22 | 23 | class MyHomePage extends StatefulWidget { 24 | const MyHomePage({super.key, required this.title}); 25 | 26 | final String title; 27 | 28 | @override 29 | State createState() => _MyHomePageState(); 30 | } 31 | 32 | class _MyHomePageState extends State { 33 | final _key = GlobalKey(); 34 | 35 | @override 36 | Widget build(BuildContext context) { 37 | return Scaffold( 38 | appBar: AppBar( 39 | title: Text(widget.title), 40 | ), 41 | body: Center( 42 | child: Form( 43 | key: _key, 44 | child: Column( 45 | children: [ 46 | VerificationCodeFormField( 47 | validator: (val) => val == null || val.isEmpty ? "Need a value" : null, 48 | ), 49 | Builder( 50 | builder: (BuildContext subContext) => TextButton( 51 | onPressed: () { 52 | final valid = Form.of(subContext).validate(); 53 | print("valid: $valid"); 54 | }, 55 | child: Text("validate"), 56 | ), 57 | ), 58 | ], 59 | ), 60 | ), 61 | ), 62 | ); 63 | } 64 | } 65 | 66 | class VerificationCodeInput extends StatefulWidget { 67 | VerificationCodeInput({required this.borderSide, required this.onChanged, required this.controller}); 68 | final BorderSide borderSide; 69 | final Function(String) onChanged; 70 | final TextEditingController controller; 71 | 72 | @override 73 | State createState() => _VerificationCodeInputState(); 74 | } 75 | 76 | class _VerificationCodeInputState extends State { 77 | @override 78 | Widget build(BuildContext context) { 79 | return TextField( 80 | controller: widget.controller, 81 | inputFormatters: [ 82 | FilteringTextInputFormatter.allow(RegExp("[0-9]")), 83 | LengthLimitingTextInputFormatter(6), 84 | ], 85 | textAlign: TextAlign.center, 86 | decoration: InputDecoration( 87 | border: OutlineInputBorder( 88 | borderSide: widget.borderSide, 89 | ), 90 | ), 91 | keyboardType: TextInputType.number, 92 | onChanged: widget.onChanged, 93 | ); 94 | } 95 | } 96 | 97 | class VerificationCodeFormField extends FormField { 98 | VerificationCodeFormField({ 99 | Key? key, 100 | FormFieldSetter? onSaved, 101 | FormFieldValidator? validator, 102 | }) : super( 103 | key: key, 104 | validator: validator, 105 | onSaved: onSaved, 106 | builder: (FormFieldState field) { 107 | _VerificationCodeFormFieldState state = field as _VerificationCodeFormFieldState; 108 | return VerificationCodeInput( 109 | controller: state._controller, 110 | borderSide: BorderSide.none, 111 | onChanged: (_) => print(_), 112 | ); 113 | }, 114 | ); 115 | @override 116 | FormFieldState createState() => _VerificationCodeFormFieldState(); 117 | } 118 | 119 | class _VerificationCodeFormFieldState extends FormFieldState { 120 | final TextEditingController _controller = TextEditingController(text: ""); 121 | @override 122 | void initState() { 123 | super.initState(); 124 | _controller.addListener(_controllerChanged); 125 | } 126 | 127 | void _controllerChanged() { 128 | didChange(_controller.text); 129 | } 130 | 131 | @override 132 | void reset() { 133 | super.reset(); 134 | _controller.text = ""; 135 | } 136 | 137 | @override 138 | void dispose() { 139 | _controller.removeListener(_controllerChanged); 140 | super.dispose(); 141 | } 142 | } 143 | -------------------------------------------------------------------------------- /lib/Chapter07/destination_list_tile.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationListTile extends StatelessWidget { 4 | const DestinationListTile({Key? key}) : super(key: key); 5 | 6 | @override 7 | Widget build(BuildContext context) { 8 | return Scaffold( 9 | appBar: AppBar(title: Text("List view")), 10 | body: ListView( 11 | children: [ 12 | ListTile( 13 | title: Text("Teesside"), 14 | subtitle: Text("The home of the Lemon Top ice cream"), 15 | leading: Icon(Icons.location_on), 16 | onTap: () {}, 17 | trailing: IconButton( 18 | icon: Icon(Icons.thumb_up), 19 | onPressed: () {}, 20 | ), 21 | ), 22 | ], 23 | ), 24 | ); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /lib/Chapter07/destination_widget_container.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationWidgetContainer extends StatefulWidget { 4 | DestinationWidgetContainer({required this.name, required this.description}); 5 | 6 | final String name; 7 | final String description; 8 | 9 | @override 10 | State createState() => _DestinationWidgetContainerState(); 11 | } 12 | 13 | class _DestinationWidgetContainerState extends State { 14 | late int _likeCounter; 15 | 16 | @override 17 | void initState() { 18 | super.initState(); 19 | 20 | _likeCounter = 0; 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar(title: Text("Destination")), 27 | body: Column( 28 | children: [ 29 | Container( 30 | decoration: ShapeDecoration( 31 | shape: StadiumBorder( 32 | side: BorderSide( 33 | color: Colors.green, 34 | width: 6, 35 | ), 36 | ), 37 | ), 38 | child: Text( 39 | widget.name, 40 | ), 41 | ), 42 | Text( 43 | widget.description, 44 | style: TextStyle(backgroundColor: Color(0x32a852)), 45 | ), 46 | IconButton( 47 | onPressed: () { 48 | setState(() { 49 | _likeCounter++; 50 | }); 51 | }, 52 | icon: const Icon(Icons.thumb_up), 53 | ), 54 | Text(_likeCounter.toString()), 55 | ElevatedButton( 56 | child: Text("Back"), 57 | onPressed: () { 58 | Navigator.of(context).pop(); 59 | }, 60 | ), 61 | ], 62 | ), 63 | ); 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /lib/Chapter07/destination_widget_textstyle.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class DestinationWidgetTextStyle extends StatefulWidget { 4 | DestinationWidgetTextStyle({required this.name, required this.description}); 5 | 6 | final String name; 7 | final String description; 8 | 9 | @override 10 | State createState() => _DestinationWidgetTextStyleState(); 11 | } 12 | 13 | class _DestinationWidgetTextStyleState extends State { 14 | late int _likeCounter; 15 | 16 | @override 17 | void initState() { 18 | super.initState(); 19 | 20 | _likeCounter = 0; 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar(title: Text("Destination")), 27 | body: Column( 28 | children: [ 29 | Row( 30 | children: [ 31 | Flexible( 32 | child: Text( 33 | "asdf asdf asdf asdf asdf asdf asdf adsf asdf asdf sadf asdf asdf ${widget.name}", 34 | style: TextStyle( 35 | backgroundColor: Color.fromRGBO(50, 168, 82, 1), 36 | color: Colors.red, 37 | fontSize: 14, 38 | fontWeight: FontWeight.w300, 39 | fontStyle: FontStyle.italic, 40 | letterSpacing: 2, 41 | wordSpacing: 3, 42 | overflow: TextOverflow.fade, 43 | decoration: TextDecoration.underline, 44 | ), 45 | ), 46 | ), 47 | ], 48 | ), 49 | Text( 50 | widget.description, 51 | style: TextStyle(backgroundColor: Color(0x32a852)), 52 | ), 53 | IconButton( 54 | onPressed: () { 55 | setState(() { 56 | _likeCounter++; 57 | }); 58 | }, 59 | icon: const Icon(Icons.thumb_up), 60 | ), 61 | Text(_likeCounter.toString()), 62 | ElevatedButton( 63 | child: Text("Back"), 64 | onPressed: () { 65 | Navigator.of(context).pop(); 66 | }, 67 | ), 68 | ], 69 | ), 70 | ); 71 | } 72 | } 73 | -------------------------------------------------------------------------------- /lib/Chapter07/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter07/destination_list_tile.dart'; 3 | import 'package:hello_world/Chapter07/destination_widget_container.dart'; 4 | import 'package:hello_world/Chapter07/destination_widget_textstyle.dart'; 5 | import 'package:hello_world/Chapter07/sliver_page.dart'; 6 | 7 | void main() { 8 | runApp(const MyApp()); 9 | } 10 | 11 | class MyApp extends StatelessWidget { 12 | const MyApp({super.key}); 13 | 14 | @override 15 | Widget build(BuildContext context) { 16 | return MaterialApp( 17 | title: 'Flutter Demo', 18 | theme: ThemeData( 19 | primarySwatch: Colors.blue, 20 | ), 21 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 22 | ); 23 | } 24 | } 25 | 26 | class MyHomePage extends StatefulWidget { 27 | const MyHomePage({super.key, required this.title}); 28 | 29 | final String title; 30 | 31 | @override 32 | State createState() => _MyHomePageState(); 33 | } 34 | 35 | class _MyHomePageState extends State { 36 | int _counter = 0; 37 | final _scaffoldKey = GlobalKey(); 38 | 39 | void _incrementCounter() { 40 | setState(() { 41 | _counter++; 42 | }); 43 | } 44 | 45 | @override 46 | Widget build(BuildContext context) { 47 | return Scaffold( 48 | key: _scaffoldKey, 49 | appBar: AppBar( 50 | title: Text(widget.title), 51 | ), 52 | drawer: Drawer( 53 | child: Column( 54 | children: [ 55 | IconButton( 56 | onPressed: () => _scaffoldKey.currentState!.closeDrawer(), 57 | icon: Icon(Icons.close), 58 | ), 59 | TextButton( 60 | child: Text("Whitby"), 61 | onPressed: () {}, 62 | ), 63 | TextButton( 64 | child: Text("Saltburn"), 65 | onPressed: () {}, 66 | ), 67 | ], 68 | ), 69 | ), 70 | body: Center( 71 | child: Column( 72 | mainAxisAlignment: MainAxisAlignment.center, 73 | children: [ 74 | const Text( 75 | 'You have pushed the button this many times:', 76 | ), 77 | Text( 78 | '$_counter', 79 | style: Theme.of(context).textTheme.headline4, 80 | ), 81 | ElevatedButton( 82 | child: Text('TextStyle'), 83 | onPressed: () { 84 | Navigator.of(context).push( 85 | MaterialPageRoute(builder: (context) { 86 | return DestinationWidgetTextStyle( 87 | name: "Whitby", 88 | description: "Whitby is a town in the North East of England where Dracula first arrived, taking the form of a dog.", 89 | ); 90 | }), 91 | ); 92 | }, 93 | ), 94 | ElevatedButton( 95 | child: Text('Container decoration'), 96 | onPressed: () { 97 | Navigator.of(context).push( 98 | MaterialPageRoute(builder: (context) { 99 | return DestinationWidgetContainer( 100 | name: "Saltburn", 101 | description: "Saltburn-by-the-Sea, normally referred to as Saltburn, is the North East's best known location for surfing.", 102 | ); 103 | }), 104 | ); 105 | }, 106 | ), 107 | ElevatedButton( 108 | onPressed: () => _scaffoldKey.currentState!.openDrawer(), 109 | child: Text("Open drawer"), 110 | ), 111 | ElevatedButton( 112 | onPressed: () { 113 | ScaffoldMessenger.of(context).showSnackBar( 114 | const SnackBar( 115 | content: Text('The parmo is a famous food of Teesside.'), 116 | ), 117 | ); 118 | }, 119 | child: const Text('Show SnackBar'), 120 | ), 121 | ElevatedButton( 122 | child: Text('List view'), 123 | onPressed: () { 124 | Navigator.of(context).push( 125 | MaterialPageRoute(builder: (context) { 126 | return DestinationListTile(); 127 | }), 128 | ); 129 | }, 130 | ), 131 | ElevatedButton( 132 | child: Text('Sliver page'), 133 | onPressed: () { 134 | Navigator.of(context).push( 135 | MaterialPageRoute(builder: (context) { 136 | return SliverPage(); 137 | }), 138 | ); 139 | }, 140 | ), 141 | ], 142 | ), 143 | ), 144 | floatingActionButton: FloatingActionButton( 145 | onPressed: _incrementCounter, 146 | tooltip: 'Increment', 147 | child: const Icon(Icons.add), 148 | ), 149 | ); 150 | } 151 | } 152 | -------------------------------------------------------------------------------- /lib/Chapter07/sliver_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class SliverPage extends StatelessWidget { 4 | const SliverPage({Key? key}) : super(key: key); 5 | 6 | @override 7 | Widget build(BuildContext context) { 8 | return Scaffold( 9 | body: CustomScrollView( 10 | slivers: [ 11 | SliverAppBar( 12 | expandedHeight: 100.0, 13 | floating: true, 14 | title: Text("Sliver page"), 15 | flexibleSpace: FlexibleSpaceBar( 16 | title: Text('Flexible part'), 17 | ), 18 | actions: [ 19 | IconButton( 20 | icon: Icon(Icons.delete), 21 | tooltip: 'Example button', 22 | onPressed: () {}, 23 | ), 24 | ], 25 | ), 26 | SliverFixedExtentList( 27 | itemExtent: 100.0, 28 | delegate: SliverChildBuilderDelegate( 29 | (BuildContext context, int index) { 30 | return Container( 31 | color: index.isEven ? Colors.red : Colors.black, 32 | ); 33 | }, 34 | childCount: 8, 35 | ), 36 | ), 37 | SliverFillRemaining( 38 | child: Column( 39 | mainAxisAlignment: MainAxisAlignment.end, 40 | children: [ 41 | TextButton( 42 | child: Text("Next"), 43 | onPressed: () {}, 44 | ), 45 | ], 46 | ), 47 | ), 48 | ], 49 | ), 50 | ); 51 | } 52 | } 53 | -------------------------------------------------------------------------------- /lib/Chapter08/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | theme: ThemeData( 15 | primarySwatch: Colors.blue, 16 | ), 17 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 18 | ); 19 | } 20 | } 21 | 22 | class MyHomePage extends StatefulWidget { 23 | const MyHomePage({super.key, required this.title}); 24 | 25 | final String title; 26 | 27 | @override 28 | State createState() => _MyHomePageState(); 29 | } 30 | 31 | class _MyHomePageState extends State { 32 | int _counter = 0; 33 | 34 | void _incrementCounter() { 35 | setState(() { 36 | _counter++; 37 | }); 38 | } 39 | 40 | @override 41 | Widget build(BuildContext context) { 42 | return Scaffold( 43 | appBar: AppBar( 44 | title: Text(widget.title), 45 | ), 46 | body: Center( 47 | child: Column( 48 | mainAxisAlignment: MainAxisAlignment.center, 49 | children: [ 50 | const Text( 51 | 'You have pushed the button this many times:', 52 | ), 53 | Text( 54 | '$_counter', 55 | style: Theme.of(context).textTheme.headline4, 56 | ), 57 | ElevatedButton( 58 | child: Text('Press this'), 59 | onPressed: () { 60 | Navigator.of(context).push( 61 | MaterialPageRoute(builder: (context) { 62 | return DestinationDetails(title: "Whitby"); 63 | }), 64 | ); 65 | }, 66 | ), 67 | ], 68 | ), 69 | ), 70 | floatingActionButton: FloatingActionButton( 71 | onPressed: _incrementCounter, 72 | tooltip: 'Increment', 73 | child: const Icon(Icons.add), 74 | ), 75 | ); 76 | } 77 | } 78 | 79 | class DestinationDetails extends StatelessWidget { 80 | DestinationDetails({required this.title}); 81 | final String title; 82 | @override 83 | Widget build(BuildContext context) { 84 | return Scaffold( 85 | appBar: AppBar(title: Text(title)), 86 | body: Center( 87 | child: ElevatedButton( 88 | child: Text("Back"), 89 | onPressed: () { 90 | Navigator.of(context).pop(); 91 | }, 92 | ), 93 | ), 94 | ); 95 | } 96 | } 97 | -------------------------------------------------------------------------------- /lib/Chapter08/main_named.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | routes: { 15 | '/': (context) => MyHomePage(title: 'Flutter Demo Home Page'), 16 | '/destination': (context) => DestinationDetails(title: "Whitby"), 17 | }, 18 | theme: ThemeData( 19 | primarySwatch: Colors.blue, 20 | ), 21 | ); 22 | } 23 | } 24 | 25 | class MyHomePage extends StatefulWidget { 26 | const MyHomePage({super.key, required this.title}); 27 | 28 | final String title; 29 | 30 | @override 31 | State createState() => _MyHomePageState(); 32 | } 33 | 34 | class _MyHomePageState extends State { 35 | int _counter = 0; 36 | 37 | void _incrementCounter() { 38 | setState(() { 39 | _counter++; 40 | }); 41 | } 42 | 43 | @override 44 | Widget build(BuildContext context) { 45 | return Scaffold( 46 | appBar: AppBar( 47 | title: Text(widget.title), 48 | ), 49 | body: Center( 50 | child: Column( 51 | mainAxisAlignment: MainAxisAlignment.center, 52 | children: [ 53 | const Text( 54 | 'You have pushed the button this many times:', 55 | ), 56 | Text( 57 | '$_counter', 58 | style: Theme.of(context).textTheme.headline4, 59 | ), 60 | ElevatedButton( 61 | child: Text('Press this'), 62 | onPressed: () { 63 | Navigator.of(context).pushNamed("/destination"); 64 | }, 65 | ), 66 | ], 67 | ), 68 | ), 69 | floatingActionButton: FloatingActionButton( 70 | onPressed: _incrementCounter, 71 | tooltip: 'Increment', 72 | child: const Icon(Icons.add), 73 | ), 74 | ); 75 | } 76 | } 77 | 78 | class DestinationDetails extends StatelessWidget { 79 | DestinationDetails({required this.title}); 80 | final String title; 81 | @override 82 | Widget build(BuildContext context) { 83 | return Scaffold( 84 | appBar: AppBar(title: Text(title)), 85 | body: Center( 86 | child: ElevatedButton( 87 | child: Text("Back"), 88 | onPressed: () { 89 | Navigator.of(context).pop(); 90 | }, 91 | ), 92 | ), 93 | ); 94 | } 95 | } 96 | -------------------------------------------------------------------------------- /lib/Chapter08/main_named_arguments.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | onGenerateRoute: (settings) { 15 | if (settings.name == '/') { 16 | return MaterialPageRoute(builder: (context) => MyHomePage(title: "Flutter Demo Home Page")); 17 | } else if (settings.name == '/destination') { 18 | return MaterialPageRoute(builder: (context) => DestinationDetails(title: settings.arguments as String)); 19 | } 20 | }, 21 | theme: ThemeData( 22 | primarySwatch: Colors.blue, 23 | ), 24 | ); 25 | } 26 | } 27 | 28 | class MyHomePage extends StatefulWidget { 29 | const MyHomePage({super.key, required this.title}); 30 | 31 | final String title; 32 | 33 | @override 34 | State createState() => _MyHomePageState(); 35 | } 36 | 37 | class _MyHomePageState extends State { 38 | int _counter = 0; 39 | 40 | void _incrementCounter() { 41 | setState(() { 42 | _counter++; 43 | }); 44 | } 45 | 46 | @override 47 | Widget build(BuildContext context) { 48 | return Scaffold( 49 | appBar: AppBar( 50 | title: Text(widget.title), 51 | ), 52 | body: Center( 53 | child: Column( 54 | mainAxisAlignment: MainAxisAlignment.center, 55 | children: [ 56 | const Text( 57 | 'You have pushed the button this many times:', 58 | ), 59 | Text( 60 | '$_counter', 61 | style: Theme.of(context).textTheme.headline4, 62 | ), 63 | ElevatedButton( 64 | child: Text('Press this'), 65 | onPressed: () { 66 | Navigator.of(context).pushNamed('/destination', arguments: "Staithes"); 67 | }, 68 | ), 69 | ], 70 | ), 71 | ), 72 | floatingActionButton: FloatingActionButton( 73 | onPressed: _incrementCounter, 74 | tooltip: 'Increment', 75 | child: const Icon(Icons.add), 76 | ), 77 | ); 78 | } 79 | } 80 | 81 | class DestinationDetails extends StatelessWidget { 82 | DestinationDetails({required this.title}); 83 | final String title; 84 | @override 85 | Widget build(BuildContext context) { 86 | return Scaffold( 87 | appBar: AppBar(title: Text(title)), 88 | body: Center( 89 | child: ElevatedButton( 90 | child: Text("Back"), 91 | onPressed: () { 92 | Navigator.of(context).pop(); 93 | }, 94 | ), 95 | ), 96 | ); 97 | } 98 | } 99 | -------------------------------------------------------------------------------- /lib/Chapter08/main_navigator2.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatefulWidget { 8 | const MyApp({super.key}); 9 | @override 10 | State createState() => _MyAppState(); 11 | } 12 | 13 | class _MyAppState extends State { 14 | String? _selectedDestination; 15 | 16 | void _setDestination(String destination) { 17 | this.setState(() { 18 | _selectedDestination = destination; 19 | }); 20 | } 21 | 22 | @override 23 | Widget build(BuildContext context) { 24 | return MaterialApp( 25 | title: 'Flutter Demo', 26 | home: Navigator( 27 | pages: [ 28 | MaterialPage( 29 | child: MyHomePage( 30 | title: "Press this", 31 | destinationCallback: _setDestination, 32 | )), 33 | if (_selectedDestination != null) 34 | MaterialPage( 35 | child: DestinationDetails(title: _selectedDestination!), 36 | ), 37 | ], 38 | onPopPage: (route, result) { 39 | if (!route.didPop(result)) { 40 | return false; 41 | } 42 | setState(() { 43 | _selectedDestination = null; 44 | }); 45 | return true; 46 | }, 47 | ), 48 | ); 49 | } 50 | } 51 | 52 | class MyHomePage extends StatefulWidget { 53 | MyHomePage({required this.title, required this.destinationCallback}); 54 | final void Function(String) destinationCallback; 55 | 56 | final String title; 57 | 58 | @override 59 | State createState() => _MyHomePageState(); 60 | } 61 | 62 | class _MyHomePageState extends State { 63 | @override 64 | Widget build(BuildContext context) { 65 | return Scaffold( 66 | appBar: AppBar( 67 | title: Text(widget.title), 68 | ), 69 | body: Center( 70 | child: Column( 71 | mainAxisAlignment: MainAxisAlignment.center, 72 | children: [ 73 | ElevatedButton( 74 | child: Text('Whitby'), 75 | onPressed: () { 76 | widget.destinationCallback("Whitby"); 77 | }, 78 | ), 79 | ElevatedButton( 80 | child: Text('Scarborough'), 81 | onPressed: () async { 82 | widget.destinationCallback("Scarborough"); 83 | }, 84 | ), 85 | ], 86 | ), 87 | ), 88 | ); 89 | } 90 | } 91 | 92 | class DestinationDetails extends StatelessWidget { 93 | DestinationDetails({required this.title}); 94 | final String title; 95 | @override 96 | Widget build(BuildContext context) { 97 | return Scaffold( 98 | appBar: AppBar(title: Text(title)), 99 | body: Center( 100 | child: Column( 101 | mainAxisAlignment: MainAxisAlignment.center, 102 | children: [ 103 | ElevatedButton( 104 | child: Text('Favorite'), 105 | onPressed: () { 106 | Navigator.of(context).pop(true); 107 | }, 108 | ), 109 | ElevatedButton( 110 | child: Text("Close"), 111 | onPressed: () { 112 | Navigator.of(context).pop(false); 113 | }, 114 | ), 115 | ], 116 | ), 117 | ), 118 | ); 119 | } 120 | } 121 | -------------------------------------------------------------------------------- /lib/Chapter08/main_result.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | theme: ThemeData( 15 | primarySwatch: Colors.blue, 16 | ), 17 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 18 | ); 19 | } 20 | } 21 | 22 | class MyHomePage extends StatefulWidget { 23 | const MyHomePage({super.key, required this.title}); 24 | 25 | final String title; 26 | 27 | @override 28 | State createState() => _MyHomePageState(); 29 | } 30 | 31 | class _MyHomePageState extends State { 32 | int _counter = 0; 33 | 34 | void _incrementCounter() { 35 | setState(() { 36 | _counter++; 37 | }); 38 | } 39 | 40 | @override 41 | Widget build(BuildContext context) { 42 | return Scaffold( 43 | appBar: AppBar( 44 | title: Text(widget.title), 45 | ), 46 | body: Center( 47 | child: Column( 48 | mainAxisAlignment: MainAxisAlignment.center, 49 | children: [ 50 | const Text( 51 | 'You have pushed the button this many times:', 52 | ), 53 | Text( 54 | '$_counter', 55 | style: Theme.of(context).textTheme.headline4, 56 | ), 57 | ElevatedButton( 58 | child: Text('Explore Whitby'), 59 | onPressed: () async { 60 | bool? outcome = await Navigator.of(context).push( 61 | MaterialPageRoute(builder: (context) { 62 | return DestinationDetails(title: "Whitby"); 63 | }), 64 | ); 65 | ScaffoldMessenger.of(context).showSnackBar( 66 | SnackBar(content: Text("Favorite: $outcome")), 67 | ); 68 | }, 69 | ), 70 | ], 71 | ), 72 | ), 73 | floatingActionButton: FloatingActionButton( 74 | onPressed: _incrementCounter, 75 | tooltip: 'Increment', 76 | child: const Icon(Icons.add), 77 | ), 78 | ); 79 | } 80 | } 81 | 82 | class DestinationDetails extends StatelessWidget { 83 | DestinationDetails({required this.title}); 84 | final String title; 85 | @override 86 | Widget build(BuildContext context) { 87 | return Scaffold( 88 | appBar: AppBar(title: Text(title)), 89 | body: Center( 90 | child: Column( 91 | mainAxisAlignment: MainAxisAlignment.center, 92 | children: [ 93 | ElevatedButton( 94 | child: Text('Favorite'), 95 | onPressed: () { 96 | Navigator.of(context).pop(true); 97 | }, 98 | ), 99 | ElevatedButton( 100 | child: Text("Close"), 101 | onPressed: () { 102 | Navigator.of(context).pop(false); 103 | }, 104 | ), 105 | ], 106 | ), 107 | ), 108 | ); 109 | } 110 | } 111 | -------------------------------------------------------------------------------- /lib/Chapter08/main_transition.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | theme: ThemeData( 15 | primarySwatch: Colors.blue, 16 | ), 17 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 18 | ); 19 | } 20 | } 21 | 22 | class MyHomePage extends StatefulWidget { 23 | const MyHomePage({super.key, required this.title}); 24 | 25 | final String title; 26 | 27 | @override 28 | State createState() => _MyHomePageState(); 29 | } 30 | 31 | class _MyHomePageState extends State { 32 | int _counter = 0; 33 | 34 | void _incrementCounter() { 35 | setState(() { 36 | _counter++; 37 | }); 38 | } 39 | 40 | @override 41 | Widget build(BuildContext context) { 42 | return Scaffold( 43 | appBar: AppBar( 44 | title: Text(widget.title), 45 | ), 46 | body: Center( 47 | child: Column( 48 | mainAxisAlignment: MainAxisAlignment.center, 49 | children: [ 50 | const Text( 51 | 'You have pushed the button this many times:', 52 | ), 53 | Text( 54 | '$_counter', 55 | style: Theme.of(context).textTheme.headline4, 56 | ), 57 | ElevatedButton( 58 | child: Text('Explore Whitby'), 59 | onPressed: () async { 60 | Navigator.of(context).push(PageRouteBuilder( 61 | pageBuilder: (context, animation, secondaryAnimation) => DestinationDetails(title: "Whitby"), 62 | transitionsBuilder: (context, animation, secondaryAnimation, child) { 63 | return SlideTransition( 64 | position: Tween( 65 | begin: const Offset(-1, 0), 66 | end: Offset.zero, 67 | ).animate(animation), 68 | child: child, 69 | ); 70 | }, 71 | )); 72 | }, 73 | ), 74 | ], 75 | ), 76 | ), 77 | floatingActionButton: FloatingActionButton( 78 | onPressed: _incrementCounter, 79 | tooltip: 'Increment', 80 | child: const Icon(Icons.add), 81 | ), 82 | ); 83 | } 84 | } 85 | 86 | class DestinationDetails extends StatelessWidget { 87 | DestinationDetails({required this.title}); 88 | final String title; 89 | @override 90 | Widget build(BuildContext context) { 91 | return Scaffold( 92 | appBar: AppBar(title: Text(title)), 93 | body: Center( 94 | child: ElevatedButton( 95 | child: Text("Back"), 96 | onPressed: () { 97 | Navigator.of(context).pop(); 98 | }, 99 | ), 100 | ), 101 | ); 102 | } 103 | } 104 | -------------------------------------------------------------------------------- /lib/Chapter08/main_transition_class.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | void main() { 4 | runApp(const MyApp()); 5 | } 6 | 7 | class MyApp extends StatelessWidget { 8 | const MyApp({super.key}); 9 | 10 | @override 11 | Widget build(BuildContext context) { 12 | return MaterialApp( 13 | title: 'Flutter Demo', 14 | theme: ThemeData( 15 | primarySwatch: Colors.blue, 16 | ), 17 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 18 | ); 19 | } 20 | } 21 | 22 | class MyHomePage extends StatefulWidget { 23 | const MyHomePage({super.key, required this.title}); 24 | 25 | final String title; 26 | 27 | @override 28 | State createState() => _MyHomePageState(); 29 | } 30 | 31 | class _MyHomePageState extends State { 32 | int _counter = 0; 33 | 34 | void _incrementCounter() { 35 | setState(() { 36 | _counter++; 37 | }); 38 | } 39 | 40 | @override 41 | Widget build(BuildContext context) { 42 | return Scaffold( 43 | appBar: AppBar( 44 | title: Text(widget.title), 45 | ), 46 | body: Center( 47 | child: Column( 48 | mainAxisAlignment: MainAxisAlignment.center, 49 | children: [ 50 | const Text( 51 | 'You have pushed the button this many times:', 52 | ), 53 | Text( 54 | '$_counter', 55 | style: Theme.of(context).textTheme.headline4, 56 | ), 57 | ElevatedButton( 58 | child: Text('Explore Whitby'), 59 | onPressed: () async { 60 | Navigator.of(context).push( 61 | MySlideTransition( 62 | transitionPage: DestinationDetails(title: "Whitby"), 63 | ), 64 | ); 65 | }, 66 | ), 67 | ], 68 | ), 69 | ), 70 | floatingActionButton: FloatingActionButton( 71 | onPressed: _incrementCounter, 72 | tooltip: 'Increment', 73 | child: const Icon(Icons.add), 74 | ), 75 | ); 76 | } 77 | } 78 | 79 | class DestinationDetails extends StatelessWidget { 80 | DestinationDetails({required this.title}); 81 | final String title; 82 | @override 83 | Widget build(BuildContext context) { 84 | return Scaffold( 85 | appBar: AppBar(title: Text(title)), 86 | body: Center( 87 | child: ElevatedButton( 88 | child: Text("Back"), 89 | onPressed: () { 90 | Navigator.of(context).pop(); 91 | }, 92 | ), 93 | ), 94 | ); 95 | } 96 | } 97 | 98 | class MySlideTransition extends PageRouteBuilder { 99 | final Widget transitionPage; 100 | MySlideTransition({required this.transitionPage}) 101 | : super( 102 | pageBuilder: ( 103 | BuildContext context, 104 | Animation animation, 105 | Animation secondaryAnimation, 106 | ) => 107 | transitionPage, 108 | transitionsBuilder: ( 109 | BuildContext context, 110 | Animation animation, 111 | Animation secondaryAnimation, 112 | Widget child, 113 | ) => 114 | SlideTransition( 115 | position: Tween( 116 | begin: const Offset(-1, 0), 117 | end: Offset.zero, 118 | ).animate(animation), 119 | child: child, 120 | ), 121 | ); 122 | } 123 | -------------------------------------------------------------------------------- /lib/Chapter09/destination_description.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:auto_size_text/auto_size_text.dart'; 3 | 4 | class DestinationDescriptionWidget extends StatelessWidget { 5 | final String description; 6 | 7 | DestinationDescriptionWidget({required this.description}); 8 | 9 | @override 10 | Widget build(BuildContext context) { 11 | return AutoSizeText( 12 | description, 13 | style: TextStyle(color: Colors.red), 14 | ); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /lib/Chapter09/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter09/destination_description.dart'; 3 | 4 | void main() { 5 | runApp(const MyApp()); 6 | } 7 | 8 | class MyApp extends StatelessWidget { 9 | const MyApp({super.key}); 10 | 11 | // This widget is the root of your application. 12 | @override 13 | Widget build(BuildContext context) { 14 | return MaterialApp( 15 | title: 'Flutter Demo', 16 | theme: ThemeData( 17 | // This is the theme of your application. 18 | // 19 | // Try running your application with "flutter run". You'll see the 20 | // application has a blue toolbar. Then, without quitting the app, try 21 | // changing the primarySwatch below to Colors.green and then invoke 22 | // "hot reload" (press "r" in the console where you ran "flutter run", 23 | // or simply save your changes to "hot reload" in a Flutter IDE). 24 | // Notice that the counter didn't reset back to zero; the application 25 | // is not restarted. 26 | primarySwatch: Colors.blue, 27 | ), 28 | home: const MyHomePage(title: 'Flutter Demo Home Page'), 29 | ); 30 | } 31 | } 32 | 33 | class MyHomePage extends StatefulWidget { 34 | const MyHomePage({super.key, required this.title}); 35 | 36 | // This widget is the home page of your application. It is stateful, meaning 37 | // that it has a State object (defined below) that contains fields that affect 38 | // how it looks. 39 | 40 | // This class is the configuration for the state. It holds the values (in this 41 | // case the title) provided by the parent (in this case the App widget) and 42 | // used by the build method of the State. Fields in a Widget subclass are 43 | // always marked "final". 44 | 45 | final String title; 46 | 47 | @override 48 | State createState() => _MyHomePageState(); 49 | } 50 | 51 | class _MyHomePageState extends State { 52 | int _counter = 0; 53 | 54 | void _incrementCounter() { 55 | setState(() { 56 | // This call to setState tells the Flutter framework that something has 57 | // changed in this State, which causes it to rerun the build method below 58 | // so that the display can reflect the updated values. If we changed 59 | // _counter without calling setState(), then the build method would not be 60 | // called again, and so nothing would appear to happen. 61 | _counter++; 62 | }); 63 | } 64 | 65 | @override 66 | Widget build(BuildContext context) { 67 | // This method is rerun every time setState is called, for instance as done 68 | // by the _incrementCounter method above. 69 | // 70 | // The Flutter framework has been optimized to make rerunning build methods 71 | // fast, so that you can just rebuild anything that needs updating rather 72 | // than having to individually change instances of widgets. 73 | return Scaffold( 74 | appBar: AppBar( 75 | // Here we take the value from the MyHomePage object that was created by 76 | // the App.build method, and use it to set our appbar title. 77 | title: Text(widget.title), 78 | ), 79 | body: Center( 80 | // Center is a layout widget. It takes a single child and positions it 81 | // in the middle of the parent. 82 | child: Column( 83 | // Column is also a layout widget. It takes a list of children and 84 | // arranges them vertically. By default, it sizes itself to fit its 85 | // children horizontally, and tries to be as tall as its parent. 86 | // 87 | // Invoke "debug painting" (press "p" in the console, choose the 88 | // "Toggle Debug Paint" action from the Flutter Inspector in Android 89 | // Studio, or the "Toggle Debug Paint" command in Visual Studio Code) 90 | // to see the wireframe for each widget. 91 | // 92 | // Column has various properties to control how it sizes itself and 93 | // how it positions its children. Here we use mainAxisAlignment to 94 | // center the children vertically; the main axis here is the vertical 95 | // axis because Columns are vertical (the cross axis would be 96 | // horizontal). 97 | mainAxisAlignment: MainAxisAlignment.center, 98 | children: [ 99 | const Text( 100 | 'You have pushed the button this many times:', 101 | ), 102 | Text( 103 | '$_counter', 104 | style: Theme.of(context).textTheme.headline4, 105 | ), 106 | ElevatedButton( 107 | child: Text('Press this'), 108 | onPressed: () { 109 | Navigator.of(context).push( 110 | MaterialPageRoute(builder: (context) { 111 | return DestinationDetails(title: "Whitby"); 112 | }), 113 | ); 114 | }, 115 | ), 116 | ], 117 | ), 118 | ), 119 | floatingActionButton: FloatingActionButton( 120 | onPressed: _incrementCounter, 121 | tooltip: 'Increment', 122 | child: const Icon(Icons.add), 123 | ), // This trailing comma makes auto-formatting nicer for build methods. 124 | ); 125 | } 126 | } 127 | 128 | class DestinationDetails extends StatelessWidget { 129 | DestinationDetails({required this.title}); 130 | final String title; 131 | @override 132 | Widget build(BuildContext context) { 133 | return Scaffold( 134 | appBar: AppBar(title: Text(title)), 135 | body: Column( 136 | crossAxisAlignment: CrossAxisAlignment.center, 137 | children: [ 138 | DestinationDescriptionWidget( 139 | description: "Whitby is a town in the North East of England where Dracula first arrived, taking the form of a dog.", 140 | ), 141 | ElevatedButton( 142 | child: Text("Back"), 143 | onPressed: () { 144 | Navigator.of(context).pop(); 145 | }, 146 | ), 147 | ], 148 | ), 149 | ); 150 | } 151 | } 152 | -------------------------------------------------------------------------------- /lib/Chapter11/animated_builder.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class RotationBuilderAnimations extends StatefulWidget { 5 | RotationBuilderAnimations({Key? key}) : super(key: key); 6 | 7 | @override 8 | State createState() => _RotationBuilderAnimationsState(); 9 | } 10 | 11 | class _RotationBuilderAnimationsState extends State with SingleTickerProviderStateMixin { 12 | late AnimationController _controller; 13 | late Animation _animation; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | final (localController, localAnimation) = _createBounceInRotationAnimation(); 19 | _controller = localController; 20 | _animation = localAnimation; 21 | } 22 | 23 | (AnimationController, Animation) _createBounceInRotationAnimation() { 24 | final controller = AnimationController( 25 | vsync: this, 26 | debugLabel: "animations demo", 27 | duration: Duration(seconds: 3), 28 | ); 29 | final animation = controller.drive(CurveTween( 30 | curve: Curves.bounceIn, 31 | )); 32 | return (controller, animation); 33 | } 34 | 35 | @override 36 | Widget build(BuildContext context) { 37 | return Center( 38 | child: AnimatedBuilder( 39 | animation: _animation, 40 | child: ElevatedButton( 41 | child: Text("Rotated button"), 42 | onPressed: () { 43 | print("Rotating"); 44 | print("${_animation.status}"); 45 | if (_animation.isCompleted || _animation.isDismissed) { 46 | _controller.reset(); 47 | _controller.forward(); 48 | } 49 | }, 50 | ), 51 | builder: (context, child) { 52 | print("Building"); 53 | return Transform.rotate( 54 | angle: _animation.value * 2.0 * math.pi, 55 | child: child, 56 | ); 57 | }, 58 | ), 59 | ); 60 | } 61 | 62 | @override 63 | void dispose() { 64 | _controller.dispose(); 65 | super.dispose(); 66 | } 67 | } 68 | -------------------------------------------------------------------------------- /lib/Chapter11/composed_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class ComposedButton extends StatelessWidget { 5 | const ComposedButton({Key? key}) : super(key: key); 6 | 7 | @override 8 | Widget build(BuildContext context) { 9 | return Scaffold( 10 | appBar: AppBar(title: Text("Composed button example")), 11 | body: Center( 12 | child: Column( 13 | mainAxisAlignment: MainAxisAlignment.start, 14 | children: [ 15 | ElevatedButton( 16 | child: Text("Original button"), 17 | onPressed: () {}, 18 | ), 19 | Transform.translate( 20 | offset: Offset(70, 200), 21 | child: Transform.rotate( 22 | angle: -45 * (math.pi / 180.0), 23 | child: Transform.scale( 24 | scale: 2.0, 25 | child: ElevatedButton( 26 | child: Text("multiple transformations"), 27 | onPressed: () {}, 28 | ), 29 | ), 30 | ), 31 | ), 32 | ], 33 | ), 34 | ), 35 | ); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /lib/Chapter11/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:hello_world/Chapter11/animated_builder.dart'; 3 | import 'package:hello_world/Chapter11/rotation_bouncein_button.dart'; 4 | import 'package:hello_world/Chapter11/rotation_button.dart'; 5 | import 'package:hello_world/Chapter11/composed_button.dart'; 6 | import 'package:hello_world/Chapter11/rotated_button.dart'; 7 | import 'package:hello_world/Chapter11/scaled_button.dart'; 8 | import 'package:hello_world/Chapter11/translated_button.dart'; 9 | 10 | void main() { 11 | runApp(const MyApp()); 12 | } 13 | 14 | class MyApp extends StatelessWidget { 15 | const MyApp({super.key}); 16 | 17 | @override 18 | Widget build(BuildContext context) { 19 | return MaterialApp( 20 | title: 'Flutter Animations', 21 | theme: ThemeData( 22 | primarySwatch: Colors.blue, 23 | ), 24 | home: const MyHomePage(title: 'Flutter Animations'), 25 | ); 26 | } 27 | } 28 | 29 | class MyHomePage extends StatefulWidget { 30 | const MyHomePage({super.key, required this.title}); 31 | 32 | final String title; 33 | 34 | @override 35 | State createState() => _MyHomePageState(); 36 | } 37 | 38 | class _MyHomePageState extends State { 39 | @override 40 | Widget build(BuildContext context) { 41 | return Scaffold( 42 | appBar: AppBar( 43 | title: Text(widget.title), 44 | ), 45 | body: Center( 46 | child: Column( 47 | mainAxisAlignment: MainAxisAlignment.center, 48 | children: [ 49 | ElevatedButton( 50 | child: Text('Rotated button'), 51 | onPressed: () { 52 | Navigator.of(context).push( 53 | MaterialPageRoute(builder: (context) { 54 | return RotatedButton(); 55 | }), 56 | ); 57 | }, 58 | ), 59 | ElevatedButton( 60 | child: Text('Scaled button'), 61 | onPressed: () { 62 | Navigator.of(context).push( 63 | MaterialPageRoute(builder: (context) { 64 | return ScaledButton(); 65 | }), 66 | ); 67 | }, 68 | ), 69 | ElevatedButton( 70 | child: Text('Translated button'), 71 | onPressed: () { 72 | Navigator.of(context).push( 73 | MaterialPageRoute(builder: (context) { 74 | return TranslatedButton(); 75 | }), 76 | ); 77 | }, 78 | ), 79 | ElevatedButton( 80 | child: Text('Composed button'), 81 | onPressed: () { 82 | Navigator.of(context).push( 83 | MaterialPageRoute(builder: (context) { 84 | return ComposedButton(); 85 | }), 86 | ); 87 | }, 88 | ), 89 | ElevatedButton( 90 | child: Text('Animation button'), 91 | onPressed: () { 92 | Navigator.of(context).push( 93 | MaterialPageRoute(builder: (context) { 94 | return Scaffold(appBar: AppBar(), body: RotationAnimations()); 95 | }), 96 | ); 97 | }, 98 | ), 99 | ElevatedButton( 100 | child: Text('Animation bounce-in button'), 101 | onPressed: () { 102 | Navigator.of(context).push( 103 | MaterialPageRoute(builder: (context) { 104 | return Scaffold(appBar: AppBar(), body: RotationBounceInAnimations()); 105 | }), 106 | ); 107 | }, 108 | ), 109 | ElevatedButton( 110 | child: Text('Animation builder'), 111 | onPressed: () { 112 | Navigator.of(context).push( 113 | MaterialPageRoute(builder: (context) { 114 | return Scaffold(appBar: AppBar(), body: RotationBuilderAnimations()); 115 | }), 116 | ); 117 | }, 118 | ), 119 | ], 120 | ), 121 | ), 122 | ); 123 | } 124 | } 125 | -------------------------------------------------------------------------------- /lib/Chapter11/rotated_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class RotatedButton extends StatelessWidget { 5 | const RotatedButton({Key? key}) : super(key: key); 6 | 7 | @override 8 | Widget build(BuildContext context) { 9 | return Scaffold( 10 | appBar: AppBar(title: Text("Rotated button example")), 11 | body: Center( 12 | child: Transform.rotate( 13 | angle: -45 * (math.pi / 180.0), 14 | child: ElevatedButton( 15 | child: Text("Rotated button"), 16 | onPressed: () {}, 17 | ), 18 | ), 19 | ), 20 | ); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /lib/Chapter11/rotation_bouncein_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class RotationBounceInAnimations extends StatefulWidget { 5 | RotationBounceInAnimations({Key? key}) : super(key: key); 6 | 7 | @override 8 | State createState() => _RotationBounceInAnimationsState(); 9 | } 10 | 11 | class _RotationBounceInAnimationsState extends State with SingleTickerProviderStateMixin { 12 | double _angle = 0.0; 13 | late AnimationController _controller; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | _controller = _createBounceInRotationAnimation(); 19 | _controller.forward(); 20 | } 21 | 22 | AnimationController _createBounceInRotationAnimation() { 23 | var controller = AnimationController( 24 | vsync: this, 25 | debugLabel: "animations demo", 26 | duration: Duration(seconds: 3), 27 | ); 28 | var animation = controller.drive(CurveTween( 29 | curve: Curves.bounceIn, 30 | )); 31 | animation.addListener(() { 32 | setState(() { 33 | _angle = (animation.value * 360.0) * (math.pi / 180); 34 | }); 35 | }); 36 | return controller; 37 | } 38 | 39 | @override 40 | Widget build(BuildContext context) { 41 | return Center(child: _rotationAnimationButton()); 42 | } 43 | 44 | _rotationAnimationButton() { 45 | return Transform.rotate( 46 | angle: _angle, 47 | child: ElevatedButton( 48 | child: Text("Rotated button"), 49 | onPressed: () { 50 | if (_controller.status == AnimationStatus.completed) { 51 | _controller.reset(); 52 | _controller.forward(); 53 | } 54 | }, 55 | ), 56 | ); 57 | } 58 | 59 | @override 60 | void dispose() { 61 | _controller.dispose(); 62 | super.dispose(); 63 | } 64 | } 65 | -------------------------------------------------------------------------------- /lib/Chapter11/rotation_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class RotationAnimations extends StatefulWidget { 5 | RotationAnimations({Key? key}) : super(key: key); 6 | 7 | @override 8 | State createState() => _RotationAnimationsState(); 9 | } 10 | 11 | class _RotationAnimationsState extends State with SingleTickerProviderStateMixin { 12 | double _angle = 0.0; 13 | late AnimationController _controller; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | _controller = _createRotationAnimation(); 19 | _controller.forward(); 20 | } 21 | 22 | AnimationController _createRotationAnimation() { 23 | var controller = AnimationController( 24 | vsync: this, 25 | debugLabel: "animations demo", 26 | duration: Duration(seconds: 3), 27 | ); 28 | controller.addListener(() { 29 | setState(() { 30 | _angle = (controller.value * 360.0) * (math.pi / 180); 31 | }); 32 | }); 33 | return controller; 34 | } 35 | 36 | @override 37 | Widget build(BuildContext context) { 38 | return Center(child: _rotationAnimationButton()); 39 | } 40 | 41 | _rotationAnimationButton() { 42 | return Transform.rotate( 43 | angle: _angle, 44 | child: ElevatedButton( 45 | child: Text("Rotated button"), 46 | onPressed: () { 47 | if (_controller.status == AnimationStatus.completed) { 48 | _controller.reset(); 49 | _controller.forward(); 50 | } 51 | }, 52 | ), 53 | ); 54 | } 55 | 56 | @override 57 | void dispose() { 58 | _controller.dispose(); 59 | super.dispose(); 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /lib/Chapter11/scale_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:math' as math; 3 | 4 | class RotationAnimations extends StatefulWidget { 5 | RotationAnimations({Key? key}) : super(key: key); 6 | 7 | @override 8 | State createState() => _RotationAnimationsState(); 9 | } 10 | 11 | class _RotationAnimationsState extends State with SingleTickerProviderStateMixin { 12 | double _angle = 0.0; 13 | late AnimationController _controller; 14 | 15 | @override 16 | void initState() { 17 | super.initState(); 18 | _controller = _createRotationAnimation(); 19 | _controller.forward(); 20 | } 21 | 22 | AnimationController _createRotationAnimation() { 23 | var controller = AnimationController( 24 | vsync: this, 25 | debugLabel: "animations demo", 26 | duration: Duration(seconds: 3), 27 | ); 28 | controller.addListener(() { 29 | setState(() { 30 | _angle = (controller.value * 360.0) * (math.pi / 180); 31 | }); 32 | }); 33 | return controller; 34 | } 35 | 36 | @override 37 | Widget build(BuildContext context) { 38 | return Center(child: _rotationAnimationButton()); 39 | } 40 | 41 | _rotationAnimationButton() { 42 | return Transform.rotate( 43 | angle: _angle, 44 | child: ElevatedButton( 45 | child: Text("Rotated button"), 46 | onPressed: () { 47 | if (_controller.status == AnimationStatus.completed) { 48 | _controller.reset(); 49 | _controller.forward(); 50 | } 51 | }, 52 | ), 53 | ); 54 | } 55 | 56 | @override 57 | void dispose() { 58 | _controller.dispose(); 59 | super.dispose(); 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /lib/Chapter11/scaled_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class ScaledButton extends StatelessWidget { 4 | const ScaledButton({Key? key}) : super(key: key); 5 | 6 | @override 7 | Widget build(BuildContext context) { 8 | return Scaffold( 9 | appBar: AppBar(title: Text("Scaled button example")), 10 | body: Center( 11 | child: Column( 12 | mainAxisAlignment: MainAxisAlignment.center, 13 | children: [ 14 | ElevatedButton( 15 | child: Text("Original button"), 16 | onPressed: () {}, 17 | ), 18 | Padding(padding: EdgeInsets.only(bottom: 20)), 19 | Transform.scale( 20 | scale: 2.0, 21 | child: ElevatedButton( 22 | child: Text("Scaled button"), 23 | onPressed: () {}, 24 | ), 25 | ), 26 | ], 27 | ), 28 | ), 29 | ); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /lib/Chapter11/translated_button.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | class TranslatedButton extends StatelessWidget { 4 | const TranslatedButton({Key? key}) : super(key: key); 5 | 6 | @override 7 | Widget build(BuildContext context) { 8 | return Scaffold( 9 | appBar: AppBar(title: Text("Translated button example")), 10 | body: Center( 11 | child: Column( 12 | mainAxisAlignment: MainAxisAlignment.center, 13 | children: [ 14 | ElevatedButton( 15 | child: Text("Original button"), 16 | onPressed: () {}, 17 | ), 18 | Padding(padding: EdgeInsets.only(bottom: 20)), 19 | Transform.translate( 20 | offset: Offset(30, 30), 21 | child: ElevatedButton( 22 | child: Text("translated button"), 23 | onPressed: () {}, 24 | ), 25 | ), 26 | ], 27 | ), 28 | ), 29 | ); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /lib/Chapter12/calculator.dart: -------------------------------------------------------------------------------- 1 | class Calculator { 2 | num sumTwoNumbers(num a, num b) { 3 | return a + b; 4 | } 5 | } 6 | -------------------------------------------------------------------------------- /lib/Chapter12/calculator_fail.dart: -------------------------------------------------------------------------------- 1 | class Calculator { 2 | num sumTwoNumbers(num a, num b) { 3 | return 0; // TODO 4 | } 5 | } 6 | -------------------------------------------------------------------------------- /linux/.gitignore: -------------------------------------------------------------------------------- 1 | flutter/ephemeral 2 | -------------------------------------------------------------------------------- /linux/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # Project-level configuration. 2 | cmake_minimum_required(VERSION 3.10) 3 | project(runner LANGUAGES CXX) 4 | 5 | # The name of the executable created for the application. Change this to change 6 | # the on-disk name of your application. 7 | set(BINARY_NAME "hello_world") 8 | # The unique GTK application identifier for this application. See: 9 | # https://wiki.gnome.org/HowDoI/ChooseApplicationID 10 | set(APPLICATION_ID "com.example.hello_world") 11 | 12 | # Explicitly opt in to modern CMake behaviors to avoid warnings with recent 13 | # versions of CMake. 14 | cmake_policy(SET CMP0063 NEW) 15 | 16 | # Load bundled libraries from the lib/ directory relative to the binary. 17 | set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") 18 | 19 | # Root filesystem for cross-building. 20 | if(FLUTTER_TARGET_PLATFORM_SYSROOT) 21 | set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT}) 22 | set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT}) 23 | set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 24 | set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) 25 | set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 26 | set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 27 | endif() 28 | 29 | # Define build configuration options. 30 | if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 31 | set(CMAKE_BUILD_TYPE "Debug" CACHE 32 | STRING "Flutter build mode" FORCE) 33 | set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS 34 | "Debug" "Profile" "Release") 35 | endif() 36 | 37 | # Compilation settings that should be applied to most targets. 38 | # 39 | # Be cautious about adding new options here, as plugins use this function by 40 | # default. In most cases, you should add new options to specific targets instead 41 | # of modifying this function. 42 | function(APPLY_STANDARD_SETTINGS TARGET) 43 | target_compile_features(${TARGET} PUBLIC cxx_std_14) 44 | target_compile_options(${TARGET} PRIVATE -Wall -Werror) 45 | target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") 46 | target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") 47 | endfunction() 48 | 49 | # Flutter library and tool build rules. 50 | set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") 51 | add_subdirectory(${FLUTTER_MANAGED_DIR}) 52 | 53 | # System-level dependencies. 54 | find_package(PkgConfig REQUIRED) 55 | pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) 56 | 57 | add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") 58 | 59 | # Define the application target. To change its name, change BINARY_NAME above, 60 | # not the value here, or `flutter run` will no longer work. 61 | # 62 | # Any new source files that you add to the application should be added here. 63 | add_executable(${BINARY_NAME} 64 | "main.cc" 65 | "my_application.cc" 66 | "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" 67 | ) 68 | 69 | # Apply the standard set of build settings. This can be removed for applications 70 | # that need different build settings. 71 | apply_standard_settings(${BINARY_NAME}) 72 | 73 | # Add dependency libraries. Add any application-specific dependencies here. 74 | target_link_libraries(${BINARY_NAME} PRIVATE flutter) 75 | target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) 76 | 77 | # Run the Flutter tool portions of the build. This must not be removed. 78 | add_dependencies(${BINARY_NAME} flutter_assemble) 79 | 80 | # Only the install-generated bundle's copy of the executable will launch 81 | # correctly, since the resources must in the right relative locations. To avoid 82 | # people trying to run the unbundled copy, put it in a subdirectory instead of 83 | # the default top-level location. 84 | set_target_properties(${BINARY_NAME} 85 | PROPERTIES 86 | RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" 87 | ) 88 | 89 | # Generated plugin build rules, which manage building the plugins and adding 90 | # them to the application. 91 | include(flutter/generated_plugins.cmake) 92 | 93 | 94 | # === Installation === 95 | # By default, "installing" just makes a relocatable bundle in the build 96 | # directory. 97 | set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") 98 | if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) 99 | set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) 100 | endif() 101 | 102 | # Start with a clean build bundle directory every time. 103 | install(CODE " 104 | file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") 105 | " COMPONENT Runtime) 106 | 107 | set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") 108 | set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") 109 | 110 | install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" 111 | COMPONENT Runtime) 112 | 113 | install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 114 | COMPONENT Runtime) 115 | 116 | install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 117 | COMPONENT Runtime) 118 | 119 | foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES}) 120 | install(FILES "${bundled_library}" 121 | DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 122 | COMPONENT Runtime) 123 | endforeach(bundled_library) 124 | 125 | # Fully re-copy the assets directory on each build to avoid having stale files 126 | # from a previous install. 127 | set(FLUTTER_ASSET_DIR_NAME "flutter_assets") 128 | install(CODE " 129 | file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") 130 | " COMPONENT Runtime) 131 | install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" 132 | DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) 133 | 134 | # Install the AOT library on non-Debug builds only. 135 | if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") 136 | install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 137 | COMPONENT Runtime) 138 | endif() 139 | -------------------------------------------------------------------------------- /linux/flutter/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # This file controls Flutter-level build steps. It should not be edited. 2 | cmake_minimum_required(VERSION 3.10) 3 | 4 | set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") 5 | 6 | # Configuration provided via flutter tool. 7 | include(${EPHEMERAL_DIR}/generated_config.cmake) 8 | 9 | # TODO: Move the rest of this into files in ephemeral. See 10 | # https://github.com/flutter/flutter/issues/57146. 11 | 12 | # Serves the same purpose as list(TRANSFORM ... PREPEND ...), 13 | # which isn't available in 3.10. 14 | function(list_prepend LIST_NAME PREFIX) 15 | set(NEW_LIST "") 16 | foreach(element ${${LIST_NAME}}) 17 | list(APPEND NEW_LIST "${PREFIX}${element}") 18 | endforeach(element) 19 | set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) 20 | endfunction() 21 | 22 | # === Flutter Library === 23 | # System-level dependencies. 24 | find_package(PkgConfig REQUIRED) 25 | pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) 26 | pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) 27 | pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) 28 | 29 | set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") 30 | 31 | # Published to parent scope for install step. 32 | set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) 33 | set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) 34 | set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) 35 | set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE) 36 | 37 | list(APPEND FLUTTER_LIBRARY_HEADERS 38 | "fl_basic_message_channel.h" 39 | "fl_binary_codec.h" 40 | "fl_binary_messenger.h" 41 | "fl_dart_project.h" 42 | "fl_engine.h" 43 | "fl_json_message_codec.h" 44 | "fl_json_method_codec.h" 45 | "fl_message_codec.h" 46 | "fl_method_call.h" 47 | "fl_method_channel.h" 48 | "fl_method_codec.h" 49 | "fl_method_response.h" 50 | "fl_plugin_registrar.h" 51 | "fl_plugin_registry.h" 52 | "fl_standard_message_codec.h" 53 | "fl_standard_method_codec.h" 54 | "fl_string_codec.h" 55 | "fl_value.h" 56 | "fl_view.h" 57 | "flutter_linux.h" 58 | ) 59 | list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") 60 | add_library(flutter INTERFACE) 61 | target_include_directories(flutter INTERFACE 62 | "${EPHEMERAL_DIR}" 63 | ) 64 | target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") 65 | target_link_libraries(flutter INTERFACE 66 | PkgConfig::GTK 67 | PkgConfig::GLIB 68 | PkgConfig::GIO 69 | ) 70 | add_dependencies(flutter flutter_assemble) 71 | 72 | # === Flutter tool backend === 73 | # _phony_ is a non-existent file to force this command to run every time, 74 | # since currently there's no way to get a full input/output list from the 75 | # flutter tool. 76 | add_custom_command( 77 | OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} 78 | ${CMAKE_CURRENT_BINARY_DIR}/_phony_ 79 | COMMAND ${CMAKE_COMMAND} -E env 80 | ${FLUTTER_TOOL_ENVIRONMENT} 81 | "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" 82 | ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE} 83 | VERBATIM 84 | ) 85 | add_custom_target(flutter_assemble DEPENDS 86 | "${FLUTTER_LIBRARY}" 87 | ${FLUTTER_LIBRARY_HEADERS} 88 | ) 89 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void fl_register_plugins(FlPluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void fl_register_plugins(FlPluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /linux/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /linux/main.cc: -------------------------------------------------------------------------------- 1 | #include "my_application.h" 2 | 3 | int main(int argc, char** argv) { 4 | g_autoptr(MyApplication) app = my_application_new(); 5 | return g_application_run(G_APPLICATION(app), argc, argv); 6 | } 7 | -------------------------------------------------------------------------------- /linux/my_application.cc: -------------------------------------------------------------------------------- 1 | #include "my_application.h" 2 | 3 | #include 4 | #ifdef GDK_WINDOWING_X11 5 | #include 6 | #endif 7 | 8 | #include "flutter/generated_plugin_registrant.h" 9 | 10 | struct _MyApplication { 11 | GtkApplication parent_instance; 12 | char** dart_entrypoint_arguments; 13 | }; 14 | 15 | G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) 16 | 17 | // Implements GApplication::activate. 18 | static void my_application_activate(GApplication* application) { 19 | MyApplication* self = MY_APPLICATION(application); 20 | GtkWindow* window = 21 | GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); 22 | 23 | // Use a header bar when running in GNOME as this is the common style used 24 | // by applications and is the setup most users will be using (e.g. Ubuntu 25 | // desktop). 26 | // If running on X and not using GNOME then just use a traditional title bar 27 | // in case the window manager does more exotic layout, e.g. tiling. 28 | // If running on Wayland assume the header bar will work (may need changing 29 | // if future cases occur). 30 | gboolean use_header_bar = TRUE; 31 | #ifdef GDK_WINDOWING_X11 32 | GdkScreen* screen = gtk_window_get_screen(window); 33 | if (GDK_IS_X11_SCREEN(screen)) { 34 | const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); 35 | if (g_strcmp0(wm_name, "GNOME Shell") != 0) { 36 | use_header_bar = FALSE; 37 | } 38 | } 39 | #endif 40 | if (use_header_bar) { 41 | GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); 42 | gtk_widget_show(GTK_WIDGET(header_bar)); 43 | gtk_header_bar_set_title(header_bar, "hello_world"); 44 | gtk_header_bar_set_show_close_button(header_bar, TRUE); 45 | gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); 46 | } else { 47 | gtk_window_set_title(window, "hello_world"); 48 | } 49 | 50 | gtk_window_set_default_size(window, 1280, 720); 51 | gtk_widget_show(GTK_WIDGET(window)); 52 | 53 | g_autoptr(FlDartProject) project = fl_dart_project_new(); 54 | fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments); 55 | 56 | FlView* view = fl_view_new(project); 57 | gtk_widget_show(GTK_WIDGET(view)); 58 | gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); 59 | 60 | fl_register_plugins(FL_PLUGIN_REGISTRY(view)); 61 | 62 | gtk_widget_grab_focus(GTK_WIDGET(view)); 63 | } 64 | 65 | // Implements GApplication::local_command_line. 66 | static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) { 67 | MyApplication* self = MY_APPLICATION(application); 68 | // Strip out the first argument as it is the binary name. 69 | self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); 70 | 71 | g_autoptr(GError) error = nullptr; 72 | if (!g_application_register(application, nullptr, &error)) { 73 | g_warning("Failed to register: %s", error->message); 74 | *exit_status = 1; 75 | return TRUE; 76 | } 77 | 78 | g_application_activate(application); 79 | *exit_status = 0; 80 | 81 | return TRUE; 82 | } 83 | 84 | // Implements GObject::dispose. 85 | static void my_application_dispose(GObject* object) { 86 | MyApplication* self = MY_APPLICATION(object); 87 | g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); 88 | G_OBJECT_CLASS(my_application_parent_class)->dispose(object); 89 | } 90 | 91 | static void my_application_class_init(MyApplicationClass* klass) { 92 | G_APPLICATION_CLASS(klass)->activate = my_application_activate; 93 | G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line; 94 | G_OBJECT_CLASS(klass)->dispose = my_application_dispose; 95 | } 96 | 97 | static void my_application_init(MyApplication* self) {} 98 | 99 | MyApplication* my_application_new() { 100 | return MY_APPLICATION(g_object_new(my_application_get_type(), 101 | "application-id", APPLICATION_ID, 102 | "flags", G_APPLICATION_NON_UNIQUE, 103 | nullptr)); 104 | } 105 | -------------------------------------------------------------------------------- /linux/my_application.h: -------------------------------------------------------------------------------- 1 | #ifndef FLUTTER_MY_APPLICATION_H_ 2 | #define FLUTTER_MY_APPLICATION_H_ 3 | 4 | #include 5 | 6 | G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION, 7 | GtkApplication) 8 | 9 | /** 10 | * my_application_new: 11 | * 12 | * Creates a new Flutter-based application. 13 | * 14 | * Returns: a new #MyApplication. 15 | */ 16 | MyApplication* my_application_new(); 17 | 18 | #endif // FLUTTER_MY_APPLICATION_H_ 19 | -------------------------------------------------------------------------------- /macos/.gitignore: -------------------------------------------------------------------------------- 1 | # Flutter-related 2 | **/Flutter/ephemeral/ 3 | **/Pods/ 4 | 5 | # Xcode-related 6 | **/dgph 7 | **/xcuserdata/ 8 | -------------------------------------------------------------------------------- /macos/Flutter/Flutter-Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "ephemeral/Flutter-Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /macos/Flutter/Flutter-Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "ephemeral/Flutter-Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /macos/Flutter/GeneratedPluginRegistrant.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | import FlutterMacOS 6 | import Foundation 7 | 8 | 9 | func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { 10 | } 11 | -------------------------------------------------------------------------------- /macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 41 | 42 | 52 | 54 | 60 | 61 | 62 | 63 | 69 | 71 | 77 | 78 | 79 | 80 | 82 | 83 | 86 | 87 | 88 | -------------------------------------------------------------------------------- /macos/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /macos/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | @NSApplicationMain 5 | class AppDelegate: FlutterAppDelegate { 6 | override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { 7 | return true 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "16x16", 5 | "idiom" : "mac", 6 | "filename" : "app_icon_16.png", 7 | "scale" : "1x" 8 | }, 9 | { 10 | "size" : "16x16", 11 | "idiom" : "mac", 12 | "filename" : "app_icon_32.png", 13 | "scale" : "2x" 14 | }, 15 | { 16 | "size" : "32x32", 17 | "idiom" : "mac", 18 | "filename" : "app_icon_32.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "32x32", 23 | "idiom" : "mac", 24 | "filename" : "app_icon_64.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "128x128", 29 | "idiom" : "mac", 30 | "filename" : "app_icon_128.png", 31 | "scale" : "1x" 32 | }, 33 | { 34 | "size" : "128x128", 35 | "idiom" : "mac", 36 | "filename" : "app_icon_256.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "256x256", 41 | "idiom" : "mac", 42 | "filename" : "app_icon_256.png", 43 | "scale" : "1x" 44 | }, 45 | { 46 | "size" : "256x256", 47 | "idiom" : "mac", 48 | "filename" : "app_icon_512.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "512x512", 53 | "idiom" : "mac", 54 | "filename" : "app_icon_512.png", 55 | "scale" : "1x" 56 | }, 57 | { 58 | "size" : "512x512", 59 | "idiom" : "mac", 60 | "filename" : "app_icon_1024.png", 61 | "scale" : "2x" 62 | } 63 | ], 64 | "info" : { 65 | "version" : 1, 66 | "author" : "xcode" 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png: -------------------------------------------------------------------------------- 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https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png -------------------------------------------------------------------------------- /macos/Runner/Configs/AppInfo.xcconfig: -------------------------------------------------------------------------------- 1 | // Application-level settings for the Runner target. 2 | // 3 | // This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the 4 | // future. If not, the values below would default to using the project name when this becomes a 5 | // 'flutter create' template. 6 | 7 | // The application's name. By default this is also the title of the Flutter window. 8 | PRODUCT_NAME = hello_world 9 | 10 | // The application's bundle identifier 11 | PRODUCT_BUNDLE_IDENTIFIER = com.example.helloWorld 12 | 13 | // The copyright displayed in application information 14 | PRODUCT_COPYRIGHT = Copyright © 2022 com.example. All rights reserved. 15 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Debug.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Release.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Warnings.xcconfig: -------------------------------------------------------------------------------- 1 | WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings 2 | GCC_WARN_UNDECLARED_SELECTOR = YES 3 | CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES 4 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE 5 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES 6 | CLANG_WARN_PRAGMA_PACK = YES 7 | CLANG_WARN_STRICT_PROTOTYPES = YES 8 | CLANG_WARN_COMMA = YES 9 | GCC_WARN_STRICT_SELECTOR_MATCH = YES 10 | CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES 11 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES 12 | GCC_WARN_SHADOW = YES 13 | CLANG_WARN_UNREACHABLE_CODE = YES 14 | -------------------------------------------------------------------------------- /macos/Runner/DebugProfile.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | com.apple.security.cs.allow-jit 8 | 9 | com.apple.security.network.server 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /macos/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIconFile 10 | 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | $(PRODUCT_NAME) 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSMinimumSystemVersion 24 | $(MACOSX_DEPLOYMENT_TARGET) 25 | NSHumanReadableCopyright 26 | $(PRODUCT_COPYRIGHT) 27 | NSMainNibFile 28 | MainMenu 29 | NSPrincipalClass 30 | NSApplication 31 | 32 | 33 | -------------------------------------------------------------------------------- /macos/Runner/MainFlutterWindow.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | class MainFlutterWindow: NSWindow { 5 | override func awakeFromNib() { 6 | let flutterViewController = FlutterViewController.init() 7 | let windowFrame = self.frame 8 | self.contentViewController = flutterViewController 9 | self.setFrame(windowFrame, display: true) 10 | 11 | RegisterGeneratedPlugins(registry: flutterViewController) 12 | 13 | super.awakeFromNib() 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /macos/Runner/Release.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: hello_world 2 | description: A new Flutter project. 3 | 4 | # The following line prevents the package from being accidentally published to 5 | # pub.dev using `flutter pub publish`. This is preferred for private packages. 6 | publish_to: "none" # Remove this line if you wish to publish to pub.dev 7 | 8 | # The following defines the version and build number for your application. 9 | # A version number is three numbers separated by dots, like 1.2.43 10 | # followed by an optional build number separated by a +. 11 | # Both the version and the builder number may be overridden in flutter 12 | # build by specifying --build-name and --build-number, respectively. 13 | # In Android, build-name is used as versionName while build-number used as versionCode. 14 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 15 | # In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion. 16 | # Read more about iOS versioning at 17 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 18 | # In Windows, build-name is used as the major, minor, and patch parts 19 | # of the product and file versions while build-number is used as the build suffix. 20 | version: 1.0.0+1 21 | 22 | environment: 23 | sdk: ">=3.0.0 <4.0.0" 24 | 25 | # Dependencies specify other packages that your package needs in order to work. 26 | # To automatically upgrade your package dependencies to the latest versions 27 | # consider running `flutter pub upgrade --major-versions`. Alternatively, 28 | # dependencies can be manually updated by changing the version numbers below to 29 | # the latest version available on pub.dev. To see which dependencies have newer 30 | # versions available, run `flutter pub outdated`. 31 | dependencies: 32 | flutter: 33 | sdk: flutter 34 | auto_size_text: ^3.0.0 35 | # The following adds the Cupertino Icons font to your application. 36 | # Use with the CupertinoIcons class for iOS style icons. 37 | cupertino_icons: ^1.0.2 38 | 39 | dev_dependencies: 40 | flutter_test: 41 | sdk: flutter 42 | # The "flutter_lints" package below contains a set of recommended lints to 43 | # encourage good coding practices. The lint set provided by the package is 44 | # activated in the `analysis_options.yaml` file located at the root of your 45 | # package. See that file for information about deactivating specific lint 46 | # rules and activating additional ones. 47 | flutter_lints: ^2.0.0 48 | 49 | # For information on the generic Dart part of this file, see the 50 | # following page: https://dart.dev/tools/pub/pubspec 51 | 52 | # The following section is specific to Flutter packages. 53 | flutter: 54 | # The following line ensures that the Material Icons font is 55 | # included with your application, so that you can use the icons in 56 | # the material Icons class. 57 | uses-material-design: true 58 | 59 | # To add assets to your application, add an assets section, like this: 60 | # assets: 61 | # - images/a_dot_burr.jpeg 62 | # - images/a_dot_ham.jpeg 63 | 64 | # An image asset can refer to one or more resolution-specific "variants", see 65 | # https://flutter.dev/assets-and-images/#resolution-aware 66 | 67 | # For details regarding adding assets from package dependencies, see 68 | # https://flutter.dev/assets-and-images/#from-packages 69 | 70 | # To add custom fonts to your application, add a fonts section here, 71 | # in this "flutter" section. Each entry in this list should have a 72 | # "family" key with the font family name, and a "fonts" key with a 73 | # list giving the asset and other descriptors for the font. For 74 | # example: 75 | # fonts: 76 | # - family: Schyler 77 | # fonts: 78 | # - asset: fonts/Schyler-Regular.ttf 79 | # - asset: fonts/Schyler-Italic.ttf 80 | # style: italic 81 | # - family: Trajan Pro 82 | # fonts: 83 | # - asset: fonts/TrajanPro.ttf 84 | # - asset: fonts/TrajanPro_Bold.ttf 85 | # weight: 700 86 | # 87 | # For details regarding fonts from package dependencies, 88 | # see https://flutter.dev/custom-fonts/#from-packages 89 | -------------------------------------------------------------------------------- /test/calculator_fail_test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | import '../lib/Chapter12/calculator_fail.dart'; 3 | 4 | void main() { 5 | late Calculator _calculator; 6 | setUp(() { 7 | _calculator = Calculator(); 8 | }); 9 | test( 10 | 'calculator.sumTwoNumbers() sum both numbers', 11 | () => expect(_calculator.sumTwoNumbers(1, 2), 3), 12 | ); 13 | } 14 | -------------------------------------------------------------------------------- /test/calculator_test.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_test/flutter_test.dart'; 2 | import '../lib/Chapter12/calculator.dart'; 3 | 4 | void main() { 5 | late Calculator _calculator; 6 | setUp(() { 7 | _calculator = Calculator(); 8 | }); 9 | test( 10 | 'calculator.sumTwoNumbers() sum both numbers', 11 | () => expect(_calculator.sumTwoNumbers(1, 2), 3), 12 | ); 13 | 14 | group("calculator tests", () { 15 | test( 16 | 'sumTwoNumbers() sum both numbers', 17 | () => expect(_calculator.sumTwoNumbers(1, 2), 3), 18 | ); 19 | test( 20 | 'sumTwoNumbers() sum negative number', 21 | () => expect(_calculator.sumTwoNumbers(1, -1), 1), 22 | ); 23 | }); 24 | } 25 | -------------------------------------------------------------------------------- /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 in the flutter_test package. 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:hello_world/Chapter01/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(const 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 | -------------------------------------------------------------------------------- /web/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/web/favicon.png -------------------------------------------------------------------------------- /web/icons/Icon-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/web/icons/Icon-192.png -------------------------------------------------------------------------------- /web/icons/Icon-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/web/icons/Icon-512.png -------------------------------------------------------------------------------- /web/icons/Icon-maskable-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/web/icons/Icon-maskable-192.png -------------------------------------------------------------------------------- /web/icons/Icon-maskable-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/web/icons/Icon-maskable-512.png -------------------------------------------------------------------------------- /web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | hello_world 33 | 34 | 35 | 39 | 40 | 41 | 42 | 43 | 57 | 58 | 59 | -------------------------------------------------------------------------------- /web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "hello_world", 3 | "short_name": "hello_world", 4 | "start_url": ".", 5 | "display": "standalone", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter project.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | }, 22 | { 23 | "src": "icons/Icon-maskable-192.png", 24 | "sizes": "192x192", 25 | "type": "image/png", 26 | "purpose": "maskable" 27 | }, 28 | { 29 | "src": "icons/Icon-maskable-512.png", 30 | "sizes": "512x512", 31 | "type": "image/png", 32 | "purpose": "maskable" 33 | } 34 | ] 35 | } 36 | -------------------------------------------------------------------------------- /windows/.gitignore: -------------------------------------------------------------------------------- 1 | flutter/ephemeral/ 2 | 3 | # Visual Studio user-specific files. 4 | *.suo 5 | *.user 6 | *.userosscache 7 | *.sln.docstates 8 | 9 | # Visual Studio build-related files. 10 | x64/ 11 | x86/ 12 | 13 | # Visual Studio cache files 14 | # files ending in .cache can be ignored 15 | *.[Cc]ache 16 | # but keep track of directories ending in .cache 17 | !*.[Cc]ache/ 18 | -------------------------------------------------------------------------------- /windows/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # Project-level configuration. 2 | cmake_minimum_required(VERSION 3.14) 3 | project(hello_world LANGUAGES CXX) 4 | 5 | # The name of the executable created for the application. Change this to change 6 | # the on-disk name of your application. 7 | set(BINARY_NAME "hello_world") 8 | 9 | # Explicitly opt in to modern CMake behaviors to avoid warnings with recent 10 | # versions of CMake. 11 | cmake_policy(SET CMP0063 NEW) 12 | 13 | # Define build configuration option. 14 | get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) 15 | if(IS_MULTICONFIG) 16 | set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release" 17 | CACHE STRING "" FORCE) 18 | else() 19 | if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) 20 | set(CMAKE_BUILD_TYPE "Debug" CACHE 21 | STRING "Flutter build mode" FORCE) 22 | set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS 23 | "Debug" "Profile" "Release") 24 | endif() 25 | endif() 26 | # Define settings for the Profile build mode. 27 | set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}") 28 | set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}") 29 | set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}") 30 | set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}") 31 | 32 | # Use Unicode for all projects. 33 | add_definitions(-DUNICODE -D_UNICODE) 34 | 35 | # Compilation settings that should be applied to most targets. 36 | # 37 | # Be cautious about adding new options here, as plugins use this function by 38 | # default. In most cases, you should add new options to specific targets instead 39 | # of modifying this function. 40 | function(APPLY_STANDARD_SETTINGS TARGET) 41 | target_compile_features(${TARGET} PUBLIC cxx_std_17) 42 | target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100") 43 | target_compile_options(${TARGET} PRIVATE /EHsc) 44 | target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0") 45 | target_compile_definitions(${TARGET} PRIVATE "$<$:_DEBUG>") 46 | endfunction() 47 | 48 | # Flutter library and tool build rules. 49 | set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") 50 | add_subdirectory(${FLUTTER_MANAGED_DIR}) 51 | 52 | # Application build; see runner/CMakeLists.txt. 53 | add_subdirectory("runner") 54 | 55 | # Generated plugin build rules, which manage building the plugins and adding 56 | # them to the application. 57 | include(flutter/generated_plugins.cmake) 58 | 59 | 60 | # === Installation === 61 | # Support files are copied into place next to the executable, so that it can 62 | # run in place. This is done instead of making a separate bundle (as on Linux) 63 | # so that building and running from within Visual Studio will work. 64 | set(BUILD_BUNDLE_DIR "$") 65 | # Make the "install" step default, as it's required to run. 66 | set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1) 67 | if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) 68 | set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) 69 | endif() 70 | 71 | set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") 72 | set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}") 73 | 74 | install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" 75 | COMPONENT Runtime) 76 | 77 | install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 78 | COMPONENT Runtime) 79 | 80 | install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 81 | COMPONENT Runtime) 82 | 83 | if(PLUGIN_BUNDLED_LIBRARIES) 84 | install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" 85 | DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" 86 | COMPONENT Runtime) 87 | endif() 88 | 89 | # Fully re-copy the assets directory on each build to avoid having stale files 90 | # from a previous install. 91 | set(FLUTTER_ASSET_DIR_NAME "flutter_assets") 92 | install(CODE " 93 | file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") 94 | " COMPONENT Runtime) 95 | install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" 96 | DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) 97 | 98 | # Install the AOT library on non-Debug builds only. 99 | install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" 100 | CONFIGURATIONS Profile;Release 101 | COMPONENT Runtime) 102 | -------------------------------------------------------------------------------- /windows/flutter/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | # This file controls Flutter-level build steps. It should not be edited. 2 | cmake_minimum_required(VERSION 3.14) 3 | 4 | set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") 5 | 6 | # Configuration provided via flutter tool. 7 | include(${EPHEMERAL_DIR}/generated_config.cmake) 8 | 9 | # TODO: Move the rest of this into files in ephemeral. See 10 | # https://github.com/flutter/flutter/issues/57146. 11 | set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper") 12 | 13 | # === Flutter Library === 14 | set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll") 15 | 16 | # Published to parent scope for install step. 17 | set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) 18 | set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) 19 | set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) 20 | set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE) 21 | 22 | list(APPEND FLUTTER_LIBRARY_HEADERS 23 | "flutter_export.h" 24 | "flutter_windows.h" 25 | "flutter_messenger.h" 26 | "flutter_plugin_registrar.h" 27 | "flutter_texture_registrar.h" 28 | ) 29 | list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/") 30 | add_library(flutter INTERFACE) 31 | target_include_directories(flutter INTERFACE 32 | "${EPHEMERAL_DIR}" 33 | ) 34 | target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib") 35 | add_dependencies(flutter flutter_assemble) 36 | 37 | # === Wrapper === 38 | list(APPEND CPP_WRAPPER_SOURCES_CORE 39 | "core_implementations.cc" 40 | "standard_codec.cc" 41 | ) 42 | list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/") 43 | list(APPEND CPP_WRAPPER_SOURCES_PLUGIN 44 | "plugin_registrar.cc" 45 | ) 46 | list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/") 47 | list(APPEND CPP_WRAPPER_SOURCES_APP 48 | "flutter_engine.cc" 49 | "flutter_view_controller.cc" 50 | ) 51 | list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/") 52 | 53 | # Wrapper sources needed for a plugin. 54 | add_library(flutter_wrapper_plugin STATIC 55 | ${CPP_WRAPPER_SOURCES_CORE} 56 | ${CPP_WRAPPER_SOURCES_PLUGIN} 57 | ) 58 | apply_standard_settings(flutter_wrapper_plugin) 59 | set_target_properties(flutter_wrapper_plugin PROPERTIES 60 | POSITION_INDEPENDENT_CODE ON) 61 | set_target_properties(flutter_wrapper_plugin PROPERTIES 62 | CXX_VISIBILITY_PRESET hidden) 63 | target_link_libraries(flutter_wrapper_plugin PUBLIC flutter) 64 | target_include_directories(flutter_wrapper_plugin PUBLIC 65 | "${WRAPPER_ROOT}/include" 66 | ) 67 | add_dependencies(flutter_wrapper_plugin flutter_assemble) 68 | 69 | # Wrapper sources needed for the runner. 70 | add_library(flutter_wrapper_app STATIC 71 | ${CPP_WRAPPER_SOURCES_CORE} 72 | ${CPP_WRAPPER_SOURCES_APP} 73 | ) 74 | apply_standard_settings(flutter_wrapper_app) 75 | target_link_libraries(flutter_wrapper_app PUBLIC flutter) 76 | target_include_directories(flutter_wrapper_app PUBLIC 77 | "${WRAPPER_ROOT}/include" 78 | ) 79 | add_dependencies(flutter_wrapper_app flutter_assemble) 80 | 81 | # === Flutter tool backend === 82 | # _phony_ is a non-existent file to force this command to run every time, 83 | # since currently there's no way to get a full input/output list from the 84 | # flutter tool. 85 | set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_") 86 | set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE) 87 | add_custom_command( 88 | OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} 89 | ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN} 90 | ${CPP_WRAPPER_SOURCES_APP} 91 | ${PHONY_OUTPUT} 92 | COMMAND ${CMAKE_COMMAND} -E env 93 | ${FLUTTER_TOOL_ENVIRONMENT} 94 | "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" 95 | windows-x64 $ 96 | VERBATIM 97 | ) 98 | add_custom_target(flutter_assemble DEPENDS 99 | "${FLUTTER_LIBRARY}" 100 | ${FLUTTER_LIBRARY_HEADERS} 101 | ${CPP_WRAPPER_SOURCES_CORE} 102 | ${CPP_WRAPPER_SOURCES_PLUGIN} 103 | ${CPP_WRAPPER_SOURCES_APP} 104 | ) 105 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugin_registrant.cc: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #include "generated_plugin_registrant.h" 8 | 9 | 10 | void RegisterPlugins(flutter::PluginRegistry* registry) { 11 | } 12 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugin_registrant.h: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // clang-format off 6 | 7 | #ifndef GENERATED_PLUGIN_REGISTRANT_ 8 | #define GENERATED_PLUGIN_REGISTRANT_ 9 | 10 | #include 11 | 12 | // Registers Flutter plugins. 13 | void RegisterPlugins(flutter::PluginRegistry* registry); 14 | 15 | #endif // GENERATED_PLUGIN_REGISTRANT_ 16 | -------------------------------------------------------------------------------- /windows/flutter/generated_plugins.cmake: -------------------------------------------------------------------------------- 1 | # 2 | # Generated file, do not edit. 3 | # 4 | 5 | list(APPEND FLUTTER_PLUGIN_LIST 6 | ) 7 | 8 | list(APPEND FLUTTER_FFI_PLUGIN_LIST 9 | ) 10 | 11 | set(PLUGIN_BUNDLED_LIBRARIES) 12 | 13 | foreach(plugin ${FLUTTER_PLUGIN_LIST}) 14 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin}) 15 | target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) 16 | list(APPEND PLUGIN_BUNDLED_LIBRARIES $) 17 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) 18 | endforeach(plugin) 19 | 20 | foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST}) 21 | add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin}) 22 | list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries}) 23 | endforeach(ffi_plugin) 24 | -------------------------------------------------------------------------------- /windows/runner/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.14) 2 | project(runner LANGUAGES CXX) 3 | 4 | # Define the application target. To change its name, change BINARY_NAME in the 5 | # top-level CMakeLists.txt, not the value here, or `flutter run` will no longer 6 | # work. 7 | # 8 | # Any new source files that you add to the application should be added here. 9 | add_executable(${BINARY_NAME} WIN32 10 | "flutter_window.cpp" 11 | "main.cpp" 12 | "utils.cpp" 13 | "win32_window.cpp" 14 | "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" 15 | "Runner.rc" 16 | "runner.exe.manifest" 17 | ) 18 | 19 | # Apply the standard set of build settings. This can be removed for applications 20 | # that need different build settings. 21 | apply_standard_settings(${BINARY_NAME}) 22 | 23 | # Add preprocessor definitions for the build version. 24 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"") 25 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}") 26 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}") 27 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}") 28 | target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}") 29 | 30 | # Disable Windows macros that collide with C++ standard library functions. 31 | target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX") 32 | 33 | # Add dependency libraries and include directories. Add any application-specific 34 | # dependencies here. 35 | target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app) 36 | target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}") 37 | 38 | # Run the Flutter tool portions of the build. This must not be removed. 39 | add_dependencies(${BINARY_NAME} flutter_assemble) 40 | -------------------------------------------------------------------------------- /windows/runner/Runner.rc: -------------------------------------------------------------------------------- 1 | // Microsoft Visual C++ generated resource script. 2 | // 3 | #pragma code_page(65001) 4 | #include "resource.h" 5 | 6 | #define APSTUDIO_READONLY_SYMBOLS 7 | ///////////////////////////////////////////////////////////////////////////// 8 | // 9 | // Generated from the TEXTINCLUDE 2 resource. 10 | // 11 | #include "winres.h" 12 | 13 | ///////////////////////////////////////////////////////////////////////////// 14 | #undef APSTUDIO_READONLY_SYMBOLS 15 | 16 | ///////////////////////////////////////////////////////////////////////////// 17 | // English (United States) resources 18 | 19 | #if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU) 20 | LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US 21 | 22 | #ifdef APSTUDIO_INVOKED 23 | ///////////////////////////////////////////////////////////////////////////// 24 | // 25 | // TEXTINCLUDE 26 | // 27 | 28 | 1 TEXTINCLUDE 29 | BEGIN 30 | "resource.h\0" 31 | END 32 | 33 | 2 TEXTINCLUDE 34 | BEGIN 35 | "#include ""winres.h""\r\n" 36 | "\0" 37 | END 38 | 39 | 3 TEXTINCLUDE 40 | BEGIN 41 | "\r\n" 42 | "\0" 43 | END 44 | 45 | #endif // APSTUDIO_INVOKED 46 | 47 | 48 | ///////////////////////////////////////////////////////////////////////////// 49 | // 50 | // Icon 51 | // 52 | 53 | // Icon with lowest ID value placed first to ensure application icon 54 | // remains consistent on all systems. 55 | IDI_APP_ICON ICON "resources\\app_icon.ico" 56 | 57 | 58 | ///////////////////////////////////////////////////////////////////////////// 59 | // 60 | // Version 61 | // 62 | 63 | #if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD) 64 | #define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD 65 | #else 66 | #define VERSION_AS_NUMBER 1,0,0,0 67 | #endif 68 | 69 | #if defined(FLUTTER_VERSION) 70 | #define VERSION_AS_STRING FLUTTER_VERSION 71 | #else 72 | #define VERSION_AS_STRING "1.0.0" 73 | #endif 74 | 75 | VS_VERSION_INFO VERSIONINFO 76 | FILEVERSION VERSION_AS_NUMBER 77 | PRODUCTVERSION VERSION_AS_NUMBER 78 | FILEFLAGSMASK VS_FFI_FILEFLAGSMASK 79 | #ifdef _DEBUG 80 | FILEFLAGS VS_FF_DEBUG 81 | #else 82 | FILEFLAGS 0x0L 83 | #endif 84 | FILEOS VOS__WINDOWS32 85 | FILETYPE VFT_APP 86 | FILESUBTYPE 0x0L 87 | BEGIN 88 | BLOCK "StringFileInfo" 89 | BEGIN 90 | BLOCK "040904e4" 91 | BEGIN 92 | VALUE "CompanyName", "com.example" "\0" 93 | VALUE "FileDescription", "hello_world" "\0" 94 | VALUE "FileVersion", VERSION_AS_STRING "\0" 95 | VALUE "InternalName", "hello_world" "\0" 96 | VALUE "LegalCopyright", "Copyright (C) 2022 com.example. All rights reserved." "\0" 97 | VALUE "OriginalFilename", "hello_world.exe" "\0" 98 | VALUE "ProductName", "hello_world" "\0" 99 | VALUE "ProductVersion", VERSION_AS_STRING "\0" 100 | END 101 | END 102 | BLOCK "VarFileInfo" 103 | BEGIN 104 | VALUE "Translation", 0x409, 1252 105 | END 106 | END 107 | 108 | #endif // English (United States) resources 109 | ///////////////////////////////////////////////////////////////////////////// 110 | 111 | 112 | 113 | #ifndef APSTUDIO_INVOKED 114 | ///////////////////////////////////////////////////////////////////////////// 115 | // 116 | // Generated from the TEXTINCLUDE 3 resource. 117 | // 118 | 119 | 120 | ///////////////////////////////////////////////////////////////////////////// 121 | #endif // not APSTUDIO_INVOKED 122 | -------------------------------------------------------------------------------- /windows/runner/flutter_window.cpp: -------------------------------------------------------------------------------- 1 | #include "flutter_window.h" 2 | 3 | #include 4 | 5 | #include "flutter/generated_plugin_registrant.h" 6 | 7 | FlutterWindow::FlutterWindow(const flutter::DartProject& project) 8 | : project_(project) {} 9 | 10 | FlutterWindow::~FlutterWindow() {} 11 | 12 | bool FlutterWindow::OnCreate() { 13 | if (!Win32Window::OnCreate()) { 14 | return false; 15 | } 16 | 17 | RECT frame = GetClientArea(); 18 | 19 | // The size here must match the window dimensions to avoid unnecessary surface 20 | // creation / destruction in the startup path. 21 | flutter_controller_ = std::make_unique( 22 | frame.right - frame.left, frame.bottom - frame.top, project_); 23 | // Ensure that basic setup of the controller was successful. 24 | if (!flutter_controller_->engine() || !flutter_controller_->view()) { 25 | return false; 26 | } 27 | RegisterPlugins(flutter_controller_->engine()); 28 | SetChildContent(flutter_controller_->view()->GetNativeWindow()); 29 | return true; 30 | } 31 | 32 | void FlutterWindow::OnDestroy() { 33 | if (flutter_controller_) { 34 | flutter_controller_ = nullptr; 35 | } 36 | 37 | Win32Window::OnDestroy(); 38 | } 39 | 40 | LRESULT 41 | FlutterWindow::MessageHandler(HWND hwnd, UINT const message, 42 | WPARAM const wparam, 43 | LPARAM const lparam) noexcept { 44 | // Give Flutter, including plugins, an opportunity to handle window messages. 45 | if (flutter_controller_) { 46 | std::optional result = 47 | flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam, 48 | lparam); 49 | if (result) { 50 | return *result; 51 | } 52 | } 53 | 54 | switch (message) { 55 | case WM_FONTCHANGE: 56 | flutter_controller_->engine()->ReloadSystemFonts(); 57 | break; 58 | } 59 | 60 | return Win32Window::MessageHandler(hwnd, message, wparam, lparam); 61 | } 62 | -------------------------------------------------------------------------------- /windows/runner/flutter_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_FLUTTER_WINDOW_H_ 2 | #define RUNNER_FLUTTER_WINDOW_H_ 3 | 4 | #include 5 | #include 6 | 7 | #include 8 | 9 | #include "win32_window.h" 10 | 11 | // A window that does nothing but host a Flutter view. 12 | class FlutterWindow : public Win32Window { 13 | public: 14 | // Creates a new FlutterWindow hosting a Flutter view running |project|. 15 | explicit FlutterWindow(const flutter::DartProject& project); 16 | virtual ~FlutterWindow(); 17 | 18 | protected: 19 | // Win32Window: 20 | bool OnCreate() override; 21 | void OnDestroy() override; 22 | LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam, 23 | LPARAM const lparam) noexcept override; 24 | 25 | private: 26 | // The project to run. 27 | flutter::DartProject project_; 28 | 29 | // The Flutter instance hosted by this window. 30 | std::unique_ptr flutter_controller_; 31 | }; 32 | 33 | #endif // RUNNER_FLUTTER_WINDOW_H_ 34 | -------------------------------------------------------------------------------- /windows/runner/main.cpp: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | 5 | #include "flutter_window.h" 6 | #include "utils.h" 7 | 8 | int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev, 9 | _In_ wchar_t *command_line, _In_ int show_command) { 10 | // Attach to console when present (e.g., 'flutter run') or create a 11 | // new console when running with a debugger. 12 | if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) { 13 | CreateAndAttachConsole(); 14 | } 15 | 16 | // Initialize COM, so that it is available for use in the library and/or 17 | // plugins. 18 | ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED); 19 | 20 | flutter::DartProject project(L"data"); 21 | 22 | std::vector command_line_arguments = 23 | GetCommandLineArguments(); 24 | 25 | project.set_dart_entrypoint_arguments(std::move(command_line_arguments)); 26 | 27 | FlutterWindow window(project); 28 | Win32Window::Point origin(10, 10); 29 | Win32Window::Size size(1280, 720); 30 | if (!window.CreateAndShow(L"hello_world", origin, size)) { 31 | return EXIT_FAILURE; 32 | } 33 | window.SetQuitOnClose(true); 34 | 35 | ::MSG msg; 36 | while (::GetMessage(&msg, nullptr, 0, 0)) { 37 | ::TranslateMessage(&msg); 38 | ::DispatchMessage(&msg); 39 | } 40 | 41 | ::CoUninitialize(); 42 | return EXIT_SUCCESS; 43 | } 44 | -------------------------------------------------------------------------------- /windows/runner/resource.h: -------------------------------------------------------------------------------- 1 | //{{NO_DEPENDENCIES}} 2 | // Microsoft Visual C++ generated include file. 3 | // Used by Runner.rc 4 | // 5 | #define IDI_APP_ICON 101 6 | 7 | // Next default values for new objects 8 | // 9 | #ifdef APSTUDIO_INVOKED 10 | #ifndef APSTUDIO_READONLY_SYMBOLS 11 | #define _APS_NEXT_RESOURCE_VALUE 102 12 | #define _APS_NEXT_COMMAND_VALUE 40001 13 | #define _APS_NEXT_CONTROL_VALUE 1001 14 | #define _APS_NEXT_SYMED_VALUE 101 15 | #endif 16 | #endif 17 | -------------------------------------------------------------------------------- /windows/runner/resources/app_icon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/PacktPublishing/Flutter-for-Beginners-Third-Edition/f1b71556f945a9d1f55274e3bd6d73fbff7231dc/windows/runner/resources/app_icon.ico -------------------------------------------------------------------------------- /windows/runner/runner.exe.manifest: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PerMonitorV2 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /windows/runner/utils.cpp: -------------------------------------------------------------------------------- 1 | #include "utils.h" 2 | 3 | #include 4 | #include 5 | #include 6 | #include 7 | 8 | #include 9 | 10 | void CreateAndAttachConsole() { 11 | if (::AllocConsole()) { 12 | FILE *unused; 13 | if (freopen_s(&unused, "CONOUT$", "w", stdout)) { 14 | _dup2(_fileno(stdout), 1); 15 | } 16 | if (freopen_s(&unused, "CONOUT$", "w", stderr)) { 17 | _dup2(_fileno(stdout), 2); 18 | } 19 | std::ios::sync_with_stdio(); 20 | FlutterDesktopResyncOutputStreams(); 21 | } 22 | } 23 | 24 | std::vector GetCommandLineArguments() { 25 | // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use. 26 | int argc; 27 | wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc); 28 | if (argv == nullptr) { 29 | return std::vector(); 30 | } 31 | 32 | std::vector command_line_arguments; 33 | 34 | // Skip the first argument as it's the binary name. 35 | for (int i = 1; i < argc; i++) { 36 | command_line_arguments.push_back(Utf8FromUtf16(argv[i])); 37 | } 38 | 39 | ::LocalFree(argv); 40 | 41 | return command_line_arguments; 42 | } 43 | 44 | std::string Utf8FromUtf16(const wchar_t* utf16_string) { 45 | if (utf16_string == nullptr) { 46 | return std::string(); 47 | } 48 | int target_length = ::WideCharToMultiByte( 49 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 50 | -1, nullptr, 0, nullptr, nullptr); 51 | std::string utf8_string; 52 | if (target_length == 0 || target_length > utf8_string.max_size()) { 53 | return utf8_string; 54 | } 55 | utf8_string.resize(target_length); 56 | int converted_length = ::WideCharToMultiByte( 57 | CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string, 58 | -1, utf8_string.data(), 59 | target_length, nullptr, nullptr); 60 | if (converted_length == 0) { 61 | return std::string(); 62 | } 63 | return utf8_string; 64 | } 65 | -------------------------------------------------------------------------------- /windows/runner/utils.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_UTILS_H_ 2 | #define RUNNER_UTILS_H_ 3 | 4 | #include 5 | #include 6 | 7 | // Creates a console for the process, and redirects stdout and stderr to 8 | // it for both the runner and the Flutter library. 9 | void CreateAndAttachConsole(); 10 | 11 | // Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string 12 | // encoded in UTF-8. Returns an empty std::string on failure. 13 | std::string Utf8FromUtf16(const wchar_t* utf16_string); 14 | 15 | // Gets the command line arguments passed in as a std::vector, 16 | // encoded in UTF-8. Returns an empty std::vector on failure. 17 | std::vector GetCommandLineArguments(); 18 | 19 | #endif // RUNNER_UTILS_H_ 20 | -------------------------------------------------------------------------------- /windows/runner/win32_window.h: -------------------------------------------------------------------------------- 1 | #ifndef RUNNER_WIN32_WINDOW_H_ 2 | #define RUNNER_WIN32_WINDOW_H_ 3 | 4 | #include 5 | 6 | #include 7 | #include 8 | #include 9 | 10 | // A class abstraction for a high DPI-aware Win32 Window. Intended to be 11 | // inherited from by classes that wish to specialize with custom 12 | // rendering and input handling 13 | class Win32Window { 14 | public: 15 | struct Point { 16 | unsigned int x; 17 | unsigned int y; 18 | Point(unsigned int x, unsigned int y) : x(x), y(y) {} 19 | }; 20 | 21 | struct Size { 22 | unsigned int width; 23 | unsigned int height; 24 | Size(unsigned int width, unsigned int height) 25 | : width(width), height(height) {} 26 | }; 27 | 28 | Win32Window(); 29 | virtual ~Win32Window(); 30 | 31 | // Creates and shows a win32 window with |title| and position and size using 32 | // |origin| and |size|. New windows are created on the default monitor. Window 33 | // sizes are specified to the OS in physical pixels, hence to ensure a 34 | // consistent size to will treat the width height passed in to this function 35 | // as logical pixels and scale to appropriate for the default monitor. Returns 36 | // true if the window was created successfully. 37 | bool CreateAndShow(const std::wstring& title, 38 | const Point& origin, 39 | const Size& size); 40 | 41 | // Release OS resources associated with window. 42 | void Destroy(); 43 | 44 | // Inserts |content| into the window tree. 45 | void SetChildContent(HWND content); 46 | 47 | // Returns the backing Window handle to enable clients to set icon and other 48 | // window properties. Returns nullptr if the window has been destroyed. 49 | HWND GetHandle(); 50 | 51 | // If true, closing this window will quit the application. 52 | void SetQuitOnClose(bool quit_on_close); 53 | 54 | // Return a RECT representing the bounds of the current client area. 55 | RECT GetClientArea(); 56 | 57 | protected: 58 | // Processes and route salient window messages for mouse handling, 59 | // size change and DPI. Delegates handling of these to member overloads that 60 | // inheriting classes can handle. 61 | virtual LRESULT MessageHandler(HWND window, 62 | UINT const message, 63 | WPARAM const wparam, 64 | LPARAM const lparam) noexcept; 65 | 66 | // Called when CreateAndShow is called, allowing subclass window-related 67 | // setup. Subclasses should return false if setup fails. 68 | virtual bool OnCreate(); 69 | 70 | // Called when Destroy is called. 71 | virtual void OnDestroy(); 72 | 73 | private: 74 | friend class WindowClassRegistrar; 75 | 76 | // OS callback called by message pump. Handles the WM_NCCREATE message which 77 | // is passed when the non-client area is being created and enables automatic 78 | // non-client DPI scaling so that the non-client area automatically 79 | // responsponds to changes in DPI. All other messages are handled by 80 | // MessageHandler. 81 | static LRESULT CALLBACK WndProc(HWND const window, 82 | UINT const message, 83 | WPARAM const wparam, 84 | LPARAM const lparam) noexcept; 85 | 86 | // Retrieves a class instance pointer for |window| 87 | static Win32Window* GetThisFromHandle(HWND const window) noexcept; 88 | 89 | bool quit_on_close_ = false; 90 | 91 | // window handle for top level window. 92 | HWND window_handle_ = nullptr; 93 | 94 | // window handle for hosted content. 95 | HWND child_content_ = nullptr; 96 | }; 97 | 98 | #endif // RUNNER_WIN32_WINDOW_H_ 99 | --------------------------------------------------------------------------------