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xiaojia.dxj
2019-10-30 10:34:24 +08:00
parent b01f5179b7 b2f7b1d6ee
commit 4c85919747
2922 changed files with 560330 additions and 113 deletions
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.github/PULL_REQUEST_TEMPLATE.md vendored
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@ -1,19 +0,0 @@
#### What does this PR do?
[TrelloCard/Issue/Story](LINK_TO_STORY)
##### Why are we doing this? Any context or related work?
#### Where should a reviewer start?
#### Manual testing steps?
#### Screenshots
---
#### Database changes
#### Deployment instructions
#### New ENV variables

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.gitignore vendored
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@ -20,7 +20,7 @@
# IntelliJ related
*.iml
*.ipr
*.iws
.idea/

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README-en.md
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@ -1,24 +1,105 @@
## Flutter Go
# Flutter Go
[中文简体](https://github.com/alibaba/flutter-go/blob/master/README.md) | Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.md)
![https://img.alicdn.com/tfs/TB1OJkeHNYaK1RjSZFnXXa80pXa-229-229.png](https://img.alicdn.com/tfs/TB1OJkeHNYaK1RjSZFnXXa80pXa-229-229.png)
> Help developers get started quickly Flutter **Flutter Go 1.0 Android has been released**
> Help developers get started quickly Flutter
## News
### 🔥 `Flutter Go 2.0` released
> Flutter Go 2.0 according to [The Flutter-Go Roadmap for 2019](https://github.com/alibaba/flutter-go#the-flutter-go-roadmap%E8%B7%AF%E7%BA%BF%E5%9B%BE-for-2019) beginning of the year, the new feature is:
## Download URL
<h6>mark：✔ is this version</h6>
Android download URL:
- [x] [ `Flutter Go` website ](https://flutter-go.pub/website/) (news，publish，learn)
- [x] [ `Flutter Go web` ](https://github.com/alibaba/flutter-go/tree/web/flutter-go-web-0.0.1) (web version to learn)
- [online preview ](https://flutter-go.pub/flutter_go_web/)
- [resource ](https://github.com/alibaba/flutter-go/tree/web/flutter-go-web-0.0.1)
<<<<<<< HEAD
<<<<<<< HEAD
<img src="https://img.alicdn.com/tfs/TB180.kOhYaK1RjSZFnXXa80pXa-442-420.png" width="200px">
=======
<img src="https://img.alicdn.com/tfs/TB1jGgfQ7voK1RjSZFNXXcxMVXa-438-426.png" width="200px">
>>>>>>> develop
=======
- [x] [ `Flutter Go Widget` `pull request` rules ( the third )](https://github.com/alibaba/flutter-go/blob/master/docs/contribute.md)
>>>>>>> dxj/master
Iphone download URL:
No
- [x] user center (yourself `widget`)
- login (with `GitHub`)
- search (search about `Flutter`)
- favorite component (save online)
- issues (APP online `ISSUES`)
- favorite (APP favorite)
- [x] [ `go-cli` tool ](https://github.com/alibaba/flutter-go/blob/master/docs/widget.md)
- `Flutter Go` `pull request` tools
- [ build `Flutter Go Widget` standard template with terminal ](https://github.com/alibaba/flutter-go/blob/beta/docs/widget.md)
- `markdown` template (when merge master breach)
- [x] ` Flutter Go ` `APP` auto upgrade
- [ ] template sync ( pc, native )
- [ ] `Flutter Go` store
## Third part build
Because the content of ** flutter ** is updated faster, we can't enrich the content of the project faster, If you are willing to contribute to the development and learning of flutter, please see the [build instructions](https://github.com/alibaba/flutter-go/blob/master/docs/contribute.md) before you start, we will put the builder's avatar and nick to the websit.
## Logs
[resource](https://github.com/alibaba/flutter-go/blob/develop/CHANGE-LOG.md)
## Development specification
> we are based on the official [dart language specification](https://www.dartlang.org)。
[<< Flutter Go development specification >>](https://github.com/alibaba/flutter-go/blob/develop/Flutter_Go%20%E4%BB%A3%E7%A0%81%E5%BC%80%E5%8F%91%E8%A7%84%E8%8C%83.md)
## The Flutter-Go Roadmap for 2019
> Considering Flutter's future changes and strategy variability, roadmap does not rule out some adjustments, but overall it will not change much.
<img src="https://img.alicdn.com/tfs/TB19UahQQzoK1RjSZFlXXai4VXa-1500-1106.png" width="600px">
## How to use
- checkout version
```dart
flutter --version
```
- run doctor
```dart
flutter doctor
```
- start app
```dart
flutter packages get
flutter run
```
- other issues
- https://flutterchina.club/setup-macos/
- https://flutter.dev/docs/get-started/install/macos
## Release
### Android:
- [Download](https://github.com/alibaba/flutter-go/blob/master/android/app/release/app-release.apk)
### Ios:
- AppStore search "Fluttergo"
## Development Environment
This Project need latest package, please update regularly.
- dart(version: 2.0.0)
- flutter(version: v1.0.0)
```dart
flutter --version
dart --version
pub --version
// Flutter (Channel beta, v1.7.8)
// Dart VM version: 2.4.0
// Pub 2.4.0
```
### Background
@ -85,4 +166,4 @@ The advantages of Flutter mainly include:
</tbody>
</table>
Powered by Alibaba Auction Front-end Team<img src="https://img.alicdn.com/tfs/TB1foEhAMHqK1RjSZJnXXbNLpXa-166-166.png" width= 20 height=20>
Powered by Alibaba Auction Front-end Team<img src="https://img.alicdn.com/tfs/TB1foEhAMHqK1RjSZJnXXbNLpXa-166-166.png" width= 20 height=20>

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README.md
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@ -6,7 +6,7 @@ Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.
> 一个帮助开发者快速上手的 `APP`
## 最新动态
### 🔥 `Flutter Go 2.0` 即将发布
### 🔥 `Flutter Go 2.0` 发布
> Flutter Go 2.0 秉承年初发布的 [The Flutter-Go Roadmap（路线图） for 2019](https://github.com/alibaba/flutter-go#the-flutter-go-roadmap%E8%B7%AF%E7%BA%BF%E5%9B%BE-for-2019) 已经做了新版本的迭代，新版本如下新功能:
<h6>注：✔是本次发布内容</h6>
@ -50,6 +50,9 @@ Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.
[<< Flutter Go 开发规范第一版 >>](https://github.com/alibaba/flutter-go/blob/develop/Flutter_Go%20%E4%BB%A3%E7%A0%81%E5%BC%80%E5%8F%91%E8%A7%84%E8%8C%83.md)
<<<<<<< HEAD
<<<<<<< HEAD
=======
## The Flutter-Go Roadmap（路线图） for 2019
> 考虑到 Flutter 未来的变化和策略的可变性, roadmap 不排除有一定调整，但总体不会变化太大。
@ -74,6 +77,7 @@ Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.
- 如果有其他问题,请参考
- https://flutterchina.club/setup-macos/
- https://flutter.dev/docs/get-started/install/macos
>>>>>>> dxj/master
## Release安装包下载地址
@ -85,9 +89,31 @@ Language: [English](https://github.com/alibaba/flutter-go/blob/master/README-en.
### iphone正式版，下载地址:
<img src="https://img.alicdn.com/tfs/TB1jGgfQ7voK1RjSZFNXXcxMVXa-438-426.png" width="200px">
- AppStore 搜索 "Fluttergo" 或者直接[点击下载](https://itunes.apple.com/cn/app/flutter-go/id1462026296?mt=8)
<img src="https://img.alicdn.com/tfs/TB1PygPaBWD3KVjSZFsXXcqkpXa-380-376.jpg" width=200>
## The Flutter-Go Roadmap（路线图） for 2019
> 考虑到 Flutter 未来的变化和策略的可变性, roadmap 不排除有一定调整，但总体不会变化太大。
<img src="https://img.alicdn.com/tfs/TB19UahQQzoK1RjSZFlXXai4VXa-1500-1106.png" width="600px">
## Release安装包下载地址
android下载地址:
华为市场已上线，master分支上面已上传【FlutterGo.apk】apk包，可点击下载
iphone下载地址: AppStore上面进行搜索fluttego
<img src="https://img.alicdn.com/tfs/TB1trMgV7PoK1RjSZKbXXX1IXXa-620-1343.png" width=200> <img src="https://img.alicdn.com/tfs/TB1w_MbV7voK1RjSZFDXXXY3pXa-620-1343.png" width=200>
## 基础环境
本项目环境持续更新. 请定期更新各依赖包.

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@ -0,0 +1,16 @@
<?xml version="1.0" encoding="UTF-8"?>
<module external.system.id="GRADLE" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="android-gradle" name="Android-Gradle">
<configuration>
<option name="GRADLE_PROJECT_PATH" value=":" />
</configuration>
</facet>
</component>
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$" />
<orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

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android/app/build.gradle
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@ -39,13 +39,21 @@ android {
main.java.srcDirs += 'src/main/kotlin'
}
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
lintOptions {
disable 'InvalidPackage'
}
defaultConfig {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
<<<<<<< HEAD
applicationId "com.ali.fluttergo"
=======
applicationId "com.alibaba.fluttergo"
>>>>>>> develop
minSdkVersion 16
targetSdkVersion 28
versionCode flutterVersionCode.toInteger()

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android/app/src/debug/AndroidManifest.xml
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@ -1,5 +1,9 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
<<<<<<< HEAD
package="com.ali.fluttergo">
=======
package="com.alibaba.fluttergo">
>>>>>>> develop
<!-- Flutter needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->

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android/app/src/main/AndroidManifest.xml
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@ -1,5 +1,5 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.alibaba.fluttergo">
package="com.ali.fluttergo">
<!-- io.flutter.app.FlutterApplication is an android.app.Application that
calls FlutterMain.startInitialization(this); in its onCreate method.

4
android/app/src/main/kotlin/fluttergo/ali/com/fluttergo/MainActivity.kt
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@ -1,4 +1,8 @@
<<<<<<< HEAD
package com.ali.fluttergo
=======
package com.alibaba.fluttergo
>>>>>>> develop
import android.os.Bundle

5
android/app/src/main/res/drawable/launch_background.xml
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@ -6,6 +6,11 @@
<!-- You can insert your own image assets here -->
<item>
<bitmap
<<<<<<< HEAD
android:gravity="center"
android:src="@mipmap/splash" />
=======
android:src="@drawable/splash" />
>>>>>>> develop
</item>
</layer-list>

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android/app/src/profile/AndroidManifest.xml
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@ -1,5 +1,9 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
<<<<<<< HEAD
package="com.ali.fluttergo">
=======
package="com.alibaba.fluttergo">
>>>>>>> develop
<!-- Flutter needs it to communicate with the running application
to allow setting breakpoints, to provide hot reload, etc.
-->

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android/build.gradle
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@ -1,5 +1,13 @@
buildscript {
<<<<<<< HEAD
ext.kotlin_version = '1.3.10'
=======
<<<<<<< HEAD
ext.kotlin_version = '1.2.71'
=======
ext.kotlin_version = '1.3.0'
>>>>>>> develop
>>>>>>> master
repositories {
google()
jcenter()
@ -10,6 +18,9 @@ buildscript {
}
dependencies {
<<<<<<< HEAD
classpath 'com.android.tools.build:gradle:3.2.0'
=======
classpath 'com.android.tools.build:gradle:3.3.0'
//firebase
classpath 'com.google.gms:google-services:4.2.0'
@ -17,6 +28,7 @@ buildscript {
classpath 'io.fabric.tools:gradle:1.26.1'
// 性能监控
///classpath 'com.google.firebase:firebase-plugins:1.1.5'
>>>>>>> develop
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}

2
docs/widget.md
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@ -109,7 +109,7 @@ lib/standard_pages/standard_for_slider_sanfan_8ab2b5c2_42ae_4241_9c8a_5c9e1f92b0
当我们的本地功能调试没有问题. 想要申请合并到主分支时.需要按以下流程进行
1.新建issue, 按照widget page类型模板, 填写需要的相关数据
1.新建issue, 按照page about类型模板, 填写需要的相关数据
![](https://img.alicdn.com/tfs/TB1YMkCdUH1gK0jSZSyXXXtlpXa-805-354.png)

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flutter/.cirrus.yml Normal file
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@ -0,0 +1,215 @@
container:
image: gcr.io/flutter-cirrus/build-flutter-image:latest
task:
use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true' && $CIRRUS_PR == ''
env:
# Name the SDK directory to include a space so that we constantly
# test path names with spaces in them.
CIRRUS_WORKING_DIR: "/tmp/flutter sdk"
PATH: "$CIRRUS_WORKING_DIR/bin:$CIRRUS_WORKING_DIR/bin/cache/dart-sdk/bin:$PATH"
ANDROID_HOME: "/opt/android_sdk"
git_fetch_script:
- git fetch origin
- git fetch origin master # To set FETCH_HEAD for "git merge-base" to work
pub_cache:
folder: $HOME/.pub-cache
fingerprint_script: echo $OS; grep -r --include=pubspec.yaml 'PUBSPEC CHECKSUM' "$CIRRUS_WORKING_DIR"
flutter_pkg_cache:
folder: bin/cache/pkg
fingerprint_script: echo $OS; cat bin/internal/engine.version
artifacts_cache:
folder: bin/cache/artifacts
fingerprint_script: echo $OS; cat bin/internal/engine.version
setup_script: ./dev/bots/cirrus_setup.sh
matrix:
- name: docs
env:
SHARD: docs
# For uploading master docs to Firebase master branch staging site
FIREBASE_MASTER_TOKEN: ENCRYPTED[37e8b82f167864cae9a3f4d2cf3f37dea331d9375c295327c45de524f6c588fa6f6d63e5784f10f6d43ce29689f36c92]
# For uploading beta docs to Firebase public live site
FIREBASE_PUBLIC_TOKEN: ENCRYPTED[c422da192f06da7b4449ca8e7aa866dabeb8a0f8d7488497c2e7e447e6fd31d917e6c813db081dc4e2a7a63afdf41864]
docs_script: ./dev/bots/docs.sh
- name: deploy_gallery
only_if: $CIRRUS_BRANCH == 'dev'
depends_on:
- docs
- analyze
- tests-linux
- tool_tests-linux
- build_tests-linux
env:
SHARD: deploy_gallery
GOOGLE_DEVELOPER_SERVICE_ACCOUNT_ACTOR_FASTLANE: ENCRYPTED[d9ac1462c3c556fc2f8165c9d5566a16497d8ebc38a50357f7f3abf136b7f83e1d1d76dde36fee356cb0f9ebf7a89346]
ANDROID_GALLERY_UPLOAD_KEY: ENCRYPTED[0b3e681b4507aec433ef29c79b715f15f8c75ecd25315ea286b0b2bcb8b28d578634eead5aa2c54086a25e8da1bb219a]
test_script: ./dev/bots/deploy_gallery.sh
- name: analyze
test_script:
- dart ./dev/bots/analyze.dart
- name: tests-linux
env:
SHARD: tests
test_script:
- dart ./dev/bots/test.dart
container:
cpu: 4
memory: 12G
- name: tool_tests-linux
env:
SHARD: tool_tests
test_script:
- dart ./dev/bots/test.dart
container:
cpu: 4
memory: 12G
- name: build_tests-linux
env:
SHARD: build_tests
test_script:
- dart ./dev/bots/test.dart
container:
cpu: 4
memory: 12G
- name: codelabs-build-test
env:
SHARD: codelabs-build-test
build_test_script: ./dev/bots/codelabs_build_test.sh
task:
use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true' && $CIRRUS_PR == ''
windows_container:
image: cirrusci/windowsservercore:2016
os_version: 2016
cpu: 4
env:
CIRRUS_WORKING_DIR: "C:\\Windows\\Temp\\flutter sdk"
git_fetch_script:
- git fetch origin
- git fetch origin master # To set FETCH_HEAD for "git merge-base" to work
pub_cache:
folder: $APPDATA\Pub\Cache
fingerprint_script:
- ps: $Env:OS; Get-ChildItem -Path "$Env:CIRRUS_WORKING_DIR" pubspec.yaml -Recurse | Select-String -Pattern "PUBSPEC CHECKSUM" -SimpleMatch
flutter_pkg_cache:
folder: bin\cache\pkg
fingerprint_script: echo %OS% & type bin\internal\engine.version
artifacts_cache:
folder: bin\cache\artifacts
fingerprint_script: echo %OS% & type bin\internal\engine.version
setup_script:
- bin\flutter.bat config --no-analytics
- bin\flutter.bat update-packages
- git fetch origin master
test_all_script:
- bin\cache\dart-sdk\bin\dart.exe -c dev\bots\test.dart
matrix:
- name: tests-windows
env:
SHARD: tests
- name: tool_tests-windows
env:
SHARD: tool_tests
- name: build_tests-windows
env:
SHARD: build_tests
container:
cpu: 4
memory: 12G
task:
use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true' && $CIRRUS_PR == ''
name: deploy_gallery-macos
only_if: $CIRRUS_BRANCH == 'dev'
pub_cache:
folder: ~/.pub-cache
depends_on:
- analyze
- tests-macos
- tool_tests-macos
- build_tests-macos
env:
# Name the SDK directory to include a space so that we constantly
# test path names with spaces in them.
CIRRUS_WORKING_DIR: "/tmp/flutter sdk"
SHARD: deploy_gallery
# Apple Certificates Match Passphrase
MATCH_PASSWORD: ENCRYPTED[db07f252234397090e3ec59152d9ec1831f5ecd0ef97d247b1dca757bbb9ef9b7c832a39bce2caf1949ccdf097e59a73]
# Apple Fastlane password, ASP, and Session information.
FASTLANE_PASSWORD: ENCRYPTED[0bf9bb0cc2cb32a0ed18470cf2c9df0f587cce5f8b04adbd6cff15ca5bde7a74f721ee580227b132ab6b032f08e52ae0]
FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD: ENCRYPTED[b219cc13c757f36cb62bfca5102d6115f1cc283aeb974f20c657bc4991c0cc144e30cf5d8183e41cc1df1668b4d14210]
FASTLANE_SESSION: ENCRYPTED[88246e355e55cd5e361a575f5d5b762f5826cb9d5285cb93a263b1cad04ec09bdedb1cbd74df5ec02d6043360fa04acd]
# Private repo for publishing certificates.
PUBLISHING_MATCH_CERTIFICATE_REPO: git@github.com:flutter/private_publishing_certificates.git
osx_instance:
image: high-sierra-xcode-9.4.1
git_fetch_script:
- git fetch origin
- git fetch origin master # To set FETCH_HEAD
setup_script:
- bin/flutter config --no-analytics
- bin/flutter update-packages
test_all_script:
- ./dev/bots/deploy_gallery.sh
task:
use_compute_credits: $CIRRUS_USER_COLLABORATOR == 'true' && $CIRRUS_PR == ''
osx_instance:
image: high-sierra-xcode-9.4.1
depends_on:
- analyze
env:
CIRRUS_WORKING_DIR: "/tmp/flutter sdk"
install_cocoapods_script:
- sudo gem install cocoapods
git_fetch_script:
- git fetch origin
- git fetch origin master # To set FETCH_HEAD for "git merge-base" to work
pub_cache:
folder: $HOME/.pub-cache
fingerprint_script: echo $OS; grep -r --include=pubspec.yaml 'PUBSPEC CHECKSUM' "$CIRRUS_WORKING_DIR"
flutter_pkg_cache:
folder: bin/cache/pkg
fingerprint_script: echo $OS; cat bin/internal/engine.version
artifacts_cache:
folder: bin/cache/artifacts
fingerprint_script: echo $OS; cat bin/internal/engine.version
setup_script:
- bin/flutter config --no-analytics
- bin/flutter update-packages
test_all_script: |
ulimit -S -n 2048 # https://github.com/flutter/flutter/issues/2976
bin/cache/dart-sdk/bin/dart -c dev/bots/test.dart
matrix:
- name: tests-macos
env:
SHARD: tests
- name: tool_tests-macos
env:
SHARD: tool_tests
- name: build_tests-macos
env:
SHARD: build_tests
COCOAPODS_DISABLE_STATS: true
FLUTTER_FRAMEWORK_DIR: "/tmp/flutter sdk/bin/cache/artifacts/engine/ios/"
container:
cpu: 4
memory: 12G
docker_builder:
# Only build a new docker image when we tag a release (for dev, beta, or release.)
only_if: $CIRRUS_TAG != ''
env:
GCLOUD_CREDENTIALS: ENCRYPTED[f7c098d4dd7f5ee1bfee0bb7e944cce72efbe10e97ad6440ae72de4de6a1c24d23f421a2619c668e94377fb64b0bb3e6]
depends_on:
- docs
- analyze
- tests-linux
- tool_tests-linux
- build_tests-linux
build_script: "$CIRRUS_WORKING_DIR/dev/ci/docker_linux/docker_build.sh"
login_script: "$CIRRUS_WORKING_DIR/dev/ci/docker_linux/docker_login.sh"
push_script: "$CIRRUS_WORKING_DIR/dev/ci/docker_linux/docker_push.sh"

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flutter/.gitattributes vendored Normal file
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@ -0,0 +1,25 @@
# Auto detect text files and perform LF normalization
* text=auto
# Always perform LF normalization on these files
*.dart text
*.gradle text
*.html text
*.java text
*.json text
*.md text
*.py text
*.sh text
*.txt text
*.xml text
*.yaml text
# Make sure that these Windows files always have CRLF line endings in checkout
*.bat text eol=crlf
*.ps1 text eol=crlf
# Never perform LF normalization on these files
*.ico binary
*.jar binary
*.png binary
*.zip binary

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flutter/.github/ISSUE_TEMPLATE/ACTIVATION.md vendored Normal file
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@ -0,0 +1,45 @@
---
name: I am having difficulty installing Flutter or getting it to work
about: You have run into problems while downloading or installing Flutter, or the
"flutter" tool is crashing, or you are running into some other issue before even
being able to use "flutter run".
---
<!-- Thank you for using Flutter!
If you are looking for support, please check out our documentation
or consider asking a question on Stack Overflow:
* https://flutter.io/
* https://docs.flutter.io/
* https://stackoverflow.com/questions/tagged/flutter?sort=frequent
If you have found a bug or if our documentation doesn't have an answer
to what you're looking for, then fill our the template below. Please read
our guide to filing a bug first: https://flutter.io/bug-reports/
-->
## Steps to Reproduce
<!-- Please tell us exactly how to reproduce the problem you are running into. -->
1. ...
2. ...
3. ...
## Logs
<!--
Include the full logs of the commands you are running between the lines
with the backticks below. If you are running any "flutter" commands,
please include the output of running them with "--verbose"; for example,
the output of running "flutter --verbose create foo".
-->
```
```
<!-- If possible, paste the output of running `flutter doctor -v` here. -->
```
```

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---
name: I have a problem with my Flutter application.
about: You are writing an application with Flutter but the application is crashing
or throws an exception, a widget is buggy, or something looks wrong.
---
<!-- Thank you for using Flutter!
If you are looking for support, please check out our documentation
or consider asking a question on Stack Overflow:
* https://flutter.io/
* https://docs.flutter.io/
* https://stackoverflow.com/questions/tagged/flutter?sort=frequent
If you have found a bug or if our documentation doesn't have an answer
to what you're looking for, then fill our the template below. Please read
our guide to filing a bug first: https://flutter.io/bug-reports/
-->
## Steps to Reproduce
<!--
Please tell us exactly how to reproduce the problem you are running into.
Please attach a small application (ideally just one main.dart file) that
reproduces the problem. You could use https://gist.github.com/ for this.
If the problem is with your application's rendering, then please attach
a screenshot and explain what the problem is.
-->
1. ...
2. ...
3. ...
## Logs
<!--
Run your application with `flutter run --verbose` and attach all the
log output below between the lines with the backticks. If there is an
exception, please see if the error message includes enough information
to explain how to solve the issue.
-->
```
```
<!--
Run `flutter analyze` and attach any output of that command below.
If there are any analysis errors, try resolving them before filing this issue.
-->
```
```
<!-- Finally, paste the output of running `flutter doctor -v` here. -->
```
```

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---
name: I want help writing my application
about: You have a question for how to achieve a particular effect, or you need help
with using a particular API.
---
<!-- Thank you for using Flutter!
Please check out our documentation first:
* https://flutter.io/
* https://docs.flutter.io/
If you can't find the answer there, please consider asking a question on
the Stack Overflow Web site:
* https://stackoverflow.com/questions/tagged/flutter?sort=frequent
Please don't file a GitHub issue for support requests. GitHub issues are
for tracking defects in the product. If you file a bug asking for help, we
will consider this a request for a documentation update.
-->

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# Configuration for move-issues - https://github.com/dessant/move-issues
# Delete the command comment when it contains no other content.
deleteCommand: true
# Close the source issue after moving.
closeSourceIssue: true
# Lock the source issue after moving.
lockSourceIssue: false
# Mention issue and comment authors.
mentionAuthors: true
# Preserve mentions in the issue content.
keepContentMentions: true
# Set custom aliases for targets
aliases:
ide: flutter-intellij

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# Configuration for probot-no-response - https://github.com/probot/no-response
# Number of days of inactivity before an issue is closed for lack of response.
daysUntilClose: 21
# Label requiring a response.
responseRequiredLabel: "waiting for customer response"
# Comment to post when closing an Issue for lack of response. Set to `false` to disable
closeComment: >-
Without additional information, we are unfortunately not sure how to
resolve this issue. We are therefore reluctantly going to close this
bug for now. Please don't hesitate to comment on the bug if you have
any more information for us; we will reopen it right away!
Thanks for your contribution.
cc @Hixie

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# Miscellaneous
*.class
*.lock
*.log
*.pyc
*.swp
.DS_Store
.atom/
.buildlog/
.history
.svn/
# IntelliJ related
*.iml
*.ipr
*.iws
.idea/
# Visual Studio Code related
.vscode/
# Flutter repo-specific
/bin/cache/
/bin/mingit/
/dev/benchmarks/mega_gallery/
/dev/bots/.recipe_deps
/dev/bots/android_tools/
/dev/docs/doc/
/dev/docs/flutter.docs.zip
/dev/docs/lib/
/dev/docs/pubspec.yaml
/packages/flutter/coverage/
version
# Flutter/Dart/Pub related
**/doc/api/
.dart_tool/
.flutter-plugins
.packages
.pub-cache/
.pub/
build/
flutter_*.png
linked_*.ds
unlinked.ds
unlinked_spec.ds
# Android related
**/android/**/gradle-wrapper.jar
**/android/.gradle
**/android/captures/
**/android/gradlew
**/android/gradlew.bat
**/android/local.properties
**/android/**/GeneratedPluginRegistrant.java
# iOS/XCode related
**/ios/**/*.mode1v3
**/ios/**/*.mode2v3
**/ios/**/*.moved-aside
**/ios/**/*.pbxuser
**/ios/**/*.perspectivev3
**/ios/**/*sync/
**/ios/**/.sconsign.dblite
**/ios/**/.tags*
**/ios/**/.vagrant/
**/ios/**/DerivedData/
**/ios/**/Icon?
**/ios/**/Pods/
**/ios/**/.symlinks/
**/ios/**/profile
**/ios/**/xcuserdata
**/ios/.generated/
**/ios/Flutter/App.framework
**/ios/Flutter/Flutter.framework
**/ios/Flutter/Generated.xcconfig
**/ios/Flutter/app.flx
**/ios/Flutter/app.zip
**/ios/Flutter/flutter_assets/
**/ios/ServiceDefinitions.json
**/ios/Runner/GeneratedPluginRegistrant.*
# Exceptions to above rules.
!**/ios/**/default.mode1v3
!**/ios/**/default.mode2v3
!**/ios/**/default.pbxuser
!**/ios/**/default.perspectivev3
!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

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# Below is a list of people and organizations that have contributed
# to the Flutter project. Names should be added to the list like so:
#
# Name/Organization <email address>
Google Inc.
Jim Simon <jim.j.simon@gmail.com>
Lex Berezhny <lex@damoti.com>
Wyatt Arent <hello@wyatt.ninja>
Michael Perrotte <mikemimik@gmail.com>
Günter Zöchbauer <guenter@gzoechbauer.com>
Raju Bitter <rajubitter@gmail.com>
Michael Beckler <mcbeckler@gmail.com>
Alexandre Ardhuin <alexandre.ardhuin@gmail.com>
Luke Freeman <luke@goposse.com>
Vincent Le Quéméner <eu.lequem@gmail.com>
Mike Hoolehan <mike@hoolehan.com>
German Saprykin <saprykin.h@gmail.com>
Stefano Rodriguez <hlsroddy@gmail.com>
Yusuke Konishi <yahpeycoy0403@gmail.com>
Fredrik Simón <fredrik@fsimon.net>
Ali Bitek <alibitek@protonmail.ch>
Tetsuhiro Ueda <najeira@gmail.com>
Dan Field <dfield@gmail.com>
Noah Groß <gross@ngsger.de>
Victor Choueiri <victor@ctrlanddev.com>
Christian Mürtz <teraarts@t-online.de>
Lukasz Piliszczuk <lukasz@intheloup.io>
Felix Schmidt <felix.free@gmx.de>
Artur Rymarz <artur.rymarz@gmail.com>
Stefan Mitev <mr.mitew@gmail.com>
Mattijs Fuijkschot <mattijs.fuijkschot@gmail.com>

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# Code of conduct
We expect Flutter's contributors to act professionally and respectfully, and
we expect our social spaces to be safe and dignified environments.
Specifically:
* Respect people, their identities, their culture, and their work.
* Be kind. Be courteous. Be welcoming.
* Listen. Consider and acknowledge people's points before responding.
Should you experience anything that makes you feel unwelcome in Flutter's
community, please contact someone on the team, for instance
[Ian](mailto:ian@hixie.ch) or [Tim](mailto:timsneath@google.com). We will
not tolerate harrasment from anyone in Flutter's community, even outside
of Flutter's public communication channels.
## Conflict resolution
When multiple contributors disagree on the direction for a particular
patch or the general direction of the project, the conflict should be
resolved by communication. The people who disagree should get
together, try to understand each other's points of view, and work to
find a design that addresses everyone's concerns.
This is usually sufficient to resolve issues. If you cannot come to an
agreement, ask for the advice of a more senior member of the team.
Be wary of agreement by attrition, where one person argues a point
repeatedly until other participants give up in the interests of moving
on. This is not conflict resolution, as it does not address everyone's
concerns. Be wary of agreement by compromise, where two good competing
solutions are merged into one mediocre solution. A conflict is
addressed when the participants agree that the final solution is
_better_ than all the conflicting proposals. Sometimes the solution is
more work than either of the proposals. [Embrace the yak
shave](https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#lazy-programming).
## Questions
It's always ok to ask questions. Our systems are large, and nobody will be
an expert in all the systems. Once you find the answer, document it in
the first place you looked. That way, the next person will be brought
up to speed even quicker.
[!["I try not to make fun of people for admitting they don't know things, because for each thing 'everyone knows' by the time they're adults, every day there are, on average, 10,000 people in the US hearing about it for the first time. If I make fun of people, I train them not to tell me when they have those moments. And I miss out on the fun." "Diet coke and mentos thing? What's that?" "Oh man! We're going to the grocery store." "Why?" "You're one of today's lucky 10,000." (xkcd, May 2012)](https://imgs.xkcd.com/comics/ten_thousand.png)](https://xkcd.com/1053/)

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Contributing to Flutter
=======================
[![Build Status](https://api.cirrus-ci.com/github/flutter/flutter.svg)](https://cirrus-ci.org/flutter/flutter)
_See also: [Flutter's code of conduct](CODE_OF_CONDUCT.md)_
Welcome
-------
We invite you to join our team! Everyone is welcome to contribute code
via pull requests, to file issues on GitHub, to help people asking for
help on our mailing lists or on Stack Overflow, to help triage,
reproduce, or fix bugs that people have filed, to add to our
documentation, or to help out in any other way.
We grant commit access (which includes full rights to the issue
database, such as being able to edit labels) to people who have gained
our trust and demonstrated a commitment to Flutter.
This document focuses on what is needed to contribute by writing code
and submitting pull requests for the Flutter framework. For
information on contributing in other ways, see [the community page
on flutter.io](https://flutter.io/community).
Developing for Flutter
----------------------
To develop for Flutter, you will eventually need to become familiar
with our processes and conventions. This section lists the documents
that describe these methodologies. The following list is ordered: you
are strongly recommended to go through these documents in the order
presented.
1. [Our code of conduct](CODE_OF_CONDUCT.md), which stipulates explicitly
that everyone must be gracious, respectful, and professional. This
also documents our conflict resolution policy and encourages people
to ask questions.
2. [Values](https://github.com/flutter/flutter/wiki/Values),
which talks about what we care most about.
3. [Setting up your engine development environment](https://github.com/flutter/flutter/wiki/Setting-up-the-Engine-development-environment),
which describes the steps you need to configure your computer to
work on Flutter's engine. If you only want to write code for the
Flutter framework, you can skip this step. Flutter's engine uses
mainly C++, Java, and ObjectiveC.
4. [Setting up your framework development environment](https://github.com/flutter/flutter/wiki/Setting-up-the-Framework-development-environment),
which describes the steps you need to configure your computer to
work on Flutter's framework. Flutter's framework uses mainly Dart.
4. [Tree hygiene](https://github.com/flutter/flutter/wiki/Tree-hygiene),
which covers how to land a PR, how to do code review, how to
handle breaking changes, how to handle regressions, and how to
handle post-commit test failures.
3. [Issue hygiene](https://github.com/flutter/flutter/wiki/Issue-hygiene),
which covers our processes around triaging bugs, escalating high
priority bugs, assigning bugs, and our GitHub labels and
milestones.
5. [Our style guide](https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo),
which includes advice for designing APIs for Flutter, and how to
format code in the framework.
In addition to the above, there are many pages on [our
Wiki](https://github.com/flutter/flutter/wiki/) that may be of
interest. For a curated list of pages see the sidebar on the wiki's
home page. They are more or less listed in order of importance.
If you would like to chat to other people who work on Flutter, consider joining the
https://gitter.im/flutter/contributors chat channel. We also have a [general chat
channel](https://gitter.im/flutter/flutter) for people who aren't working on Flutter
but who use Flutter.

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Copyright 2014 The Chromium Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Google hereby grants to you a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this
section) patent license to make, have made, use, offer to sell, sell,
import, transfer, and otherwise run, modify and propagate the contents
of this implementation, where such license applies only to those
patent claims, both currently owned by Google and acquired in the
future, licensable by Google that are necessarily infringed by this
implementation. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute
or order or agree to the institution of patent litigation or any other
patent enforcement activity against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that this
implementation constitutes direct or contributory patent infringement,
or inducement of patent infringement, then any patent rights granted
to you under this License for this implementation shall terminate as
of the date such litigation is filed.

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# <img src="https://flutter.io/images/flutter-mark-square-100.png" alt="Flutter" width="40" height="40" /> Flutter [![Join Gitter Chat Channel -](https://badges.gitter.im/flutter/flutter.svg)](https://gitter.im/flutter/flutter?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
[![Build Status - Cirrus](https://api.cirrus-ci.com/github/flutter/flutter.svg)](https://cirrus-ci.com/github/flutter/flutter/master)
[![Coverage Status -](https://coveralls.io/repos/github/flutter/flutter/badge.svg?branch=master)](https://coveralls.io/github/flutter/flutter?branch=master)
# Build beautiful native apps in record time
Flutter is Google’s mobile app SDK for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.
### Documentation
**Main site: [flutter.io][]**
* [Install](https://flutter.io/get-started/install/)
* [Get started](https://flutter.io/get-started/)
* [API documentation](https://docs.flutter.io/)
* [Changelog](https://github.com/flutter/flutter/wiki/Changelog)
* [How to contribute](https://github.com/flutter/flutter/blob/master/CONTRIBUTING.md)
For announcements about new releases and breaking changes, follow the
[flutter-announce@googlegroups.com](https://groups.google.com/forum/#!forum/flutter-announce)
mailing list.
## Fast development
Flutter's <em>hot reload</em> helps you quickly
and easily experiment, build UIs, add features, and fix
bugs. Experience sub-second reload times,
without losing state, on
emulators, simulators, and hardware for iOS
and Android.
<img src="https://raw.githubusercontent.com/flutter/website/master/src/_assets/image/tools/android-studio/hot-reload.gif" alt="Make a change in your code, and your app changes instantly.">
## Expressive and flexible UI
Quickly ship features with a focus on native end-user experiences.
Layered architecture allows full customization, which results in incredibly
fast rendering and expressive and flexible designs.
Delight your users with Flutter's built-in
beautiful Material Design and
Cupertino (iOS-flavor) widgets, rich motion APIs,
smooth natural scrolling, and platform awareness.
[<img src="https://github.com/flutter/website/blob/master/src/images/homepage/screenshot-1.png" width="270" height="480" alt="Brand-first shopping design" align="left">](https://github.com/flutter/flutter/tree/master/examples/flutter_gallery/lib/demo/animation)
[<img src="https://github.com/flutter/website/blob/master/src/images/homepage/screenshot-2.png" width="270" height="480" alt="Fitness app design">](https://github.com/flutter/posse_gallery)
[<img src="https://github.com/flutter/website/blob/master/src/images/homepage/screenshot-3.png" width="270" height="480" alt="Contact app design" align="left">](https://github.com/flutter/flutter/blob/master/examples/flutter_gallery/lib/demo/contacts_demo.dart)
[<img src="https://github.com/flutter/website/blob/master/src/images/homepage/ios-friendlychat.png" width="270" height="480" alt="iOS chat app design">](https://codelabs.developers.google.com/codelabs/flutter/)
Browse the <a href="https://flutter.io/widgets/">widget catalog</a>.
## Modern, reactive framework
Easily compose your UI with Flutter's
modern functional-reactive framework and
rich set of platform, layout, and foundation widgets.
Solve your tough UI challenges with
powerful and flexible APIs for 2D, animation, gestures,
effects, and more.
```dart
class CounterState extends State<Counter> {
int counter = 0;
void increment() {
// Tells the Flutter framework that state has changed,
// so the framework can run build() and update the display.
setState(() {
counter++;
});
}
Widget build(BuildContext context) {
// This method is rerun every time setState is called.
// The Flutter framework has been optimized to make rerunning
// build methods fast, so that you can just rebuild anything that
// needs updating rather than having to individually change
// instances of widgets.
return Row(
children: <Widget>[
RaisedButton(
onPressed: increment,
child: Text('Increment'),
),
Text('Count: $counter'),
],
);
}
}
```
Browse the <a href="https://flutter.io/widgets/">widget catalog</a>
and learn more about the
<a href="https://flutter.io/widgets-intro/">functional-reactive framework</a>.
## Access native features and SDKs
Make your app come to life
with platform APIs, 3rd party SDKs,
and native code.
Flutter lets you reuse your existing Java/Kotlin and ObjC/Swift code,
and access native features and SDKs on Android and iOS.
Accessing platform features is easy. Here is a snippet from our <a href="https://github.com/flutter/flutter/tree/master/examples/platform_channel">interop example</a>:
```dart
Future<void> getBatteryLevel() async {
var batteryLevel = 'unknown';
try {
int result = await methodChannel.invokeMethod('getBatteryLevel');
batteryLevel = 'Battery level: $result%';
} on PlatformException {
batteryLevel = 'Failed to get battery level.';
}
setState(() {
_batteryLevel = batteryLevel;
});
}
```
Learn how to use <a href="https://flutter.io/using-packages/">packages</a> or
write <a href="https://flutter.io/platform-channels/">platform channels</a>
to access native code, APIs, and SDKs.
## Unified app development
Flutter has the tools and libraries to help you easily
bring your ideas to life on iOS and Android.
If you don't have any mobile development experience, Flutter
is an easy and fast way to build beautiful mobile apps.
If you are an experienced iOS or Android developer,
you can use Flutter for your views and leverage much of your
existing Java/Kotlin/ObjC/Swift investment.
Learn more about what makes Flutter special in the
<a href="https://flutter.io/technical-overview/">technical overview</a>.
# More resources
Join us in our [Gitter chat room](https://gitter.im/flutter/flutter) or join our public mailing list,
[flutter-dev@googlegroups.com](https://groups.google.com/forum/#!forum/flutter-dev).
# How to contribute
To join the team working on Flutter, see our [contributor guide](CONTRIBUTING.md).
[flutter.io]: https://flutter.io/

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# Specify analysis options.
#
# Until there are meta linter rules, each desired lint must be explicitly enabled.
# See: https://github.com/dart-lang/linter/issues/288
#
# For a list of lints, see: http://dart-lang.github.io/linter/lints/
# See the configuration guide for more
# https://github.com/dart-lang/sdk/tree/master/pkg/analyzer#configuring-the-analyzer
#
# There are other similar analysis options files in the flutter repos,
# which should be kept in sync with this file:
#
# - analysis_options.yaml (this file)
# - packages/flutter/lib/analysis_options_user.yaml
# - https://github.com/flutter/plugins/blob/master/analysis_options.yaml
# - https://github.com/flutter/engine/blob/master/analysis_options.yaml
#
# This file contains the analysis options used by Flutter tools, such as IntelliJ,
# Android Studio, and the `flutter analyze` command.
analyzer:
strong-mode:
implicit-dynamic: false
errors:
# treat missing required parameters as a warning (not a hint)
missing_required_param: warning
# treat missing returns as a warning (not a hint)
missing_return: warning
# allow having TODOs in the code
todo: ignore
exclude:
- 'bin/cache/**'
# the following two are relative to the stocks example and the flutter package respectively
# see https://github.com/dart-lang/sdk/issues/28463
- 'lib/i18n/stock_messages_*.dart'
- 'lib/src/http/**'
linter:
rules:
# these rules are documented on and in the same order as
# the Dart Lint rules page to make maintenance easier
# https://github.com/dart-lang/linter/blob/master/example/all.yaml
- always_declare_return_types
- always_put_control_body_on_new_line
# - always_put_required_named_parameters_first # we prefer having parameters in the same order as fields https://github.com/flutter/flutter/issues/10219
- always_require_non_null_named_parameters
- always_specify_types
- annotate_overrides
# - avoid_annotating_with_dynamic # conflicts with always_specify_types
- avoid_as
# - avoid_bool_literals_in_conditional_expressions # not yet tested
# - avoid_catches_without_on_clauses # we do this commonly
# - avoid_catching_errors # we do this commonly
- avoid_classes_with_only_static_members
# - avoid_double_and_int_checks # only useful when targeting JS runtime
- avoid_empty_else
- avoid_field_initializers_in_const_classes
- avoid_function_literals_in_foreach_calls
# - avoid_implementing_value_types # not yet tested
- avoid_init_to_null
# - avoid_js_rounded_ints # only useful when targeting JS runtime
- avoid_null_checks_in_equality_operators
# - avoid_positional_boolean_parameters # not yet tested
# - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356)
- avoid_relative_lib_imports
- avoid_renaming_method_parameters
- avoid_return_types_on_setters
# - avoid_returning_null # there are plenty of valid reasons to return null
- avoid_returning_null_for_void
# - avoid_returning_this # there are plenty of valid reasons to return this
# - avoid_setters_without_getters # not yet tested
# - avoid_single_cascade_in_expression_statements # not yet tested
- avoid_slow_async_io
- avoid_types_as_parameter_names
# - avoid_types_on_closure_parameters # conflicts with always_specify_types
- avoid_unused_constructor_parameters
- avoid_void_async
- await_only_futures
- camel_case_types
- cancel_subscriptions
# - cascade_invocations # not yet tested
# - close_sinks # not reliable enough
# - comment_references # blocked on https://github.com/flutter/flutter/issues/20765
# - constant_identifier_names # needs an opt-out https://github.com/dart-lang/linter/issues/204
- control_flow_in_finally
# - curly_braces_in_flow_control_structures # not yet tested
- directives_ordering
- empty_catches
- empty_constructor_bodies
- empty_statements
# - file_names # not yet tested
- flutter_style_todos
- hash_and_equals
- implementation_imports
# - invariant_booleans # too many false positives: https://github.com/dart-lang/linter/issues/811
- iterable_contains_unrelated_type
# - join_return_with_assignment # not yet tested
- library_names
- library_prefixes
# - lines_longer_than_80_chars # not yet tested
- list_remove_unrelated_type
# - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181
- no_adjacent_strings_in_list
- no_duplicate_case_values
- non_constant_identifier_names
# - null_closures # not yet tested
# - omit_local_variable_types # opposite of always_specify_types
# - one_member_abstracts # too many false positives
# - only_throw_errors # https://github.com/flutter/flutter/issues/5792
- overridden_fields
- package_api_docs
- package_names
- package_prefixed_library_names
# - parameter_assignments # we do this commonly
- prefer_adjacent_string_concatenation
- prefer_asserts_in_initializer_lists
- prefer_bool_in_asserts
- prefer_collection_literals
- prefer_conditional_assignment
- prefer_const_constructors
- prefer_const_constructors_in_immutables
- prefer_const_declarations
- prefer_const_literals_to_create_immutables
# - prefer_constructors_over_static_methods # not yet tested
- prefer_contains
- prefer_equal_for_default_values
# - prefer_expression_function_bodies # conflicts with https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#consider-using--for-short-functions-and-methods
- prefer_final_fields
- prefer_final_locals
- prefer_foreach
# - prefer_function_declarations_over_variables # not yet tested
- prefer_generic_function_type_aliases
- prefer_initializing_formals
# - prefer_int_literals # not yet tested
# - prefer_interpolation_to_compose_strings # not yet tested
- prefer_is_empty
- prefer_is_not_empty
- prefer_iterable_whereType
# - prefer_mixin # https://github.com/dart-lang/language/issues/32
- prefer_single_quotes
- prefer_typing_uninitialized_variables
- prefer_void_to_null
# - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml
- recursive_getters
- slash_for_doc_comments
- sort_constructors_first
- sort_pub_dependencies
- sort_unnamed_constructors_first
- super_goes_last
- test_types_in_equals
- throw_in_finally
# - type_annotate_public_apis # subset of always_specify_types
- type_init_formals
# - unawaited_futures # too many false positives
- unnecessary_brace_in_string_interps
- unnecessary_const
- unnecessary_getters_setters
# - unnecessary_lambdas # has false positives: https://github.com/dart-lang/linter/issues/498
- unnecessary_new
- unnecessary_null_aware_assignments
- unnecessary_null_in_if_null_operators
- unnecessary_overrides
- unnecessary_parenthesis
- unnecessary_statements
- unnecessary_this
- unrelated_type_equality_checks
- use_rethrow_when_possible
# - use_setters_to_change_properties # not yet tested
# - use_string_buffers # has false positives: https://github.com/dart-lang/sdk/issues/34182
# - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review
- valid_regexps
# - void_checks # not yet tested

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#!/usr/bin/env bash
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# ---------------------------------- NOTE ---------------------------------- #
#
# Please keep the logic in this file consistent with the logic in the
# `flutter.bat` script in the same directory to ensure that Flutter continues
# to work across all platforms!
#
# -------------------------------------------------------------------------- #
set -e
unset CDPATH
function follow_links() {
cd -P "${1%/*}"
local file="$PWD/${1##*/}"
while [[ -h "$file" ]]; do
# On Mac OS, readlink -f doesn't work.
cd -P "${file%/*}"
file="$(readlink "$file")"
cd -P "${file%/*}"
file="$PWD/${file##*/}"
done
echo "$PWD/${file##*/}"
}
# Convert a filesystem path to a format usable by Dart's URI parser.
function path_uri() {
# Reduce multiple leading slashes to a single slash.
echo "$1" | sed -E -e "s,^/+,/,"
}
function _rmlock () {
[ -n "$FLUTTER_UPGRADE_LOCK" ] && rm -f "$FLUTTER_UPGRADE_LOCK"
}
function retry_upgrade {
local total_tries="10"
local remaining_tries=$(($total_tries - 1))
while [[ "$remaining_tries" > 0 ]]; do
(cd "$FLUTTER_TOOLS_DIR" && "$PUB" upgrade "$VERBOSITY" --no-packages-dir) && break
echo "Error: Unable to 'pub upgrade' flutter tool. Retrying in five seconds... ($remaining_tries tries left)"
remaining_tries=$(($remaining_tries - 1))
sleep 5
done
if [[ "$remaining_tries" == 0 ]]; then
echo "Command 'pub upgrade' still failed after $total_tries tries, giving up."
return 1
fi
return 0
}
function upgrade_flutter () {
mkdir -p "$FLUTTER_ROOT/bin/cache"
# This function is executed with a redirect that pipes the source of
# this script into file descriptor 3.
#
# To ensure that we don't simultaneously update Dart in multiple
# parallel instances, we try to obtain an exclusive lock on this
# file descriptor (and thus this script's source file) while we are
# updating Dart and compiling the script. To do this, we try to use
# the command line program "flock", which is available on many
# Unix-like platforms, in particular on most Linux distributions.
# You give it a file descriptor, and it locks the corresponding
# file, having inherited the file descriptor from the shell.
#
# Complicating matters, there are two major scenarios where this
# will not work.
#
# The first is if the platform doesn't have "flock", for example on Mac.
# There is not a direct equivalent, so on platforms that don't have flock,
# we fall back to using a lockfile and spinlock with "shlock". This
# doesn't work as well over NFS as it relies on PIDs. Any platform
# without either of these tools has no locking at all. To determine if we
# have "flock" or "shlock" available, we abuse the "hash" shell built-in.
#
# The second complication is NFS. On NFS, to obtain an exclusive
# lock you need a file descriptor that is open for writing, because
# NFS implements exclusive locks by writing, or some such. Thus, we
# ignore errors from flock. We do so by using the '|| true' trick,
# since we are running in a 'set -e' environment wherein all errors
# are fatal, and by redirecting all output to /dev/null, since
# users will typically not care about errors from flock and are
# more likely to be confused by them than helped.
#
# For "flock", the lock is released when the file descriptor goes out of
# scope, i.e. when this function returns. The lock is released via
# a trap when using "shlock".
if hash flock 2>/dev/null; then
flock 3 2>/dev/null || true
elif hash shlock 2>/dev/null; then
FLUTTER_UPGRADE_LOCK="$FLUTTER_ROOT/bin/cache/.upgrade_lock"
while ! shlock -f "$FLUTTER_UPGRADE_LOCK" -p $$ ; do sleep .1 ; done
trap _rmlock EXIT
fi
local revision="$(cd "$FLUTTER_ROOT"; git rev-parse HEAD)"
if [[ ! -f "$SNAPSHOT_PATH" || ! -s "$STAMP_PATH" || "$(cat "$STAMP_PATH")" != "$revision" || "$FLUTTER_TOOLS_DIR/pubspec.yaml" -nt "$FLUTTER_TOOLS_DIR/pubspec.lock" ]]; then
rm -f "$FLUTTER_ROOT/version"
touch "$FLUTTER_ROOT/bin/cache/.dartignore"
"$FLUTTER_ROOT/bin/internal/update_dart_sdk.sh"
VERBOSITY="--verbosity=error"
echo Building flutter tool...
if [[ "$CI" == "true" || "$BOT" == "true" || "$CONTINUOUS_INTEGRATION" == "true" || "$CHROME_HEADLESS" == "1" ]]; then
PUB_ENVIRONMENT="$PUB_ENVIRONMENT:flutter_bot"
VERBOSITY="--verbosity=normal"
fi
export PUB_ENVIRONMENT="$PUB_ENVIRONMENT:flutter_install"
if [[ -d "$FLUTTER_ROOT/.pub-cache" ]]; then
export PUB_CACHE="${PUB_CACHE:-"$FLUTTER_ROOT/.pub-cache"}"
fi
retry_upgrade
"$DART" --snapshot="$SNAPSHOT_PATH" --packages="$FLUTTER_TOOLS_DIR/.packages" "$SCRIPT_PATH"
echo "$revision" > "$STAMP_PATH"
fi
# The exit here is duplicitous since the function is run in a subshell,
# but this serves as documentation that running the function in a
# subshell is required to make sure any lockfile created by shlock
# is cleaned up.
exit $?
}
PROG_NAME="$(path_uri "$(follow_links "$BASH_SOURCE")")"
BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
export FLUTTER_ROOT="$(cd "${BIN_DIR}/.." ; pwd -P)"
FLUTTER_TOOLS_DIR="$FLUTTER_ROOT/packages/flutter_tools"
SNAPSHOT_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.snapshot"
STAMP_PATH="$FLUTTER_ROOT/bin/cache/flutter_tools.stamp"
SCRIPT_PATH="$FLUTTER_TOOLS_DIR/bin/flutter_tools.dart"
DART_SDK_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk"
DART="$DART_SDK_PATH/bin/dart"
PUB="$DART_SDK_PATH/bin/pub"
# Test if running as superuser – but don't warn if running within Docker
if [[ "$EUID" == "0" && ! -f /.dockerenv ]]; then
echo " Woah! You appear to be trying to run flutter as root."
echo " We strongly recommend running the flutter tool without superuser privileges."
echo " /"
echo "📎"
fi
# Test if Git is available on the Host
if ! hash git 2>/dev/null; then
echo "Error: Unable to find git in your PATH."
exit 1
fi
# Test if the flutter directory is a git clone (otherwise git rev-parse HEAD would fail)
if [[ ! -e "$FLUTTER_ROOT/.git" ]]; then
echo "Error: The Flutter directory is not a clone of the GitHub project."
echo " The flutter tool requires Git in order to operate properly;"
echo " to set up Flutter, run the following command:"
echo " git clone -b beta https://github.com/flutter/flutter.git"
exit 1
fi
# To debug the tool, you can uncomment the following lines to enable checked mode and set an observatory port:
# FLUTTER_TOOL_ARGS="--checked $FLUTTER_TOOL_ARGS"
# FLUTTER_TOOL_ARGS="$FLUTTER_TOOL_ARGS --observe=65432"
(upgrade_flutter) 3< "$PROG_NAME"
# FLUTTER_TOOL_ARGS isn't quoted below, because it is meant to be considered as
# separate space-separated args.
"$DART" $FLUTTER_TOOL_ARGS "$SNAPSHOT_PATH" "$@"

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@ECHO off
REM Copyright 2017 The Chromium Authors. All rights reserved.
REM Use of this source code is governed by a BSD-style license that can be
REM found in the LICENSE file.
REM ---------------------------------- NOTE ----------------------------------
REM
REM Please keep the logic in this file consistent with the logic in the
REM `flutter` script in the same directory to ensure that Flutter continues to
REM work across all platforms!
REM
REM --------------------------------------------------------------------------
SETLOCAL ENABLEDELAYEDEXPANSION
FOR %%i IN ("%~dp0..") DO SET FLUTTER_ROOT=%%~fi
SET flutter_tools_dir=%FLUTTER_ROOT%\packages\flutter_tools
SET cache_dir=%FLUTTER_ROOT%\bin\cache
SET snapshot_path=%cache_dir%\flutter_tools.snapshot
SET stamp_path=%cache_dir%\flutter_tools.stamp
SET script_path=%flutter_tools_dir%\bin\flutter_tools.dart
SET dart_sdk_path=%cache_dir%\dart-sdk
SET engine_stamp=%cache_dir%\engine-dart-sdk.stamp
SET engine_version_path=%FLUTTER_ROOT%\bin\internal\engine.version
SET pub_cache_path=%FLUTTER_ROOT%\.pub-cache
SET dart=%dart_sdk_path%\bin\dart.exe
SET pub=%dart_sdk_path%\bin\pub.bat
REM If available, add location of bundled mingit to PATH
SET mingit_path=%FLUTTER_ROOT%\bin\mingit\cmd
IF EXIST "%mingit_path%" SET PATH=%PATH%;%mingit_path%
REM Test if Git is available on the Host
where /q git || ECHO Error: Unable to find git in your PATH. && EXIT /B 1
REM Test if the flutter directory is a git clone, otherwise git rev-parse HEAD would fail
IF NOT EXIST "%flutter_root%\.git" (
ECHO Error: The Flutter directory is not a clone of the GitHub project.
ECHO The flutter tool requires Git in order to operate properly;
ECHO to set up Flutter, run the following command:
ECHO git clone -b beta https://github.com/flutter/flutter.git
EXIT /B 1
)
REM Ensure that bin/cache exists.
IF NOT EXIST "%cache_dir%" MKDIR "%cache_dir%"
REM If the cache still doesn't exist, fail with an error that we probably don't have permissions.
IF NOT EXIST "%cache_dir%" (
ECHO Error: Unable to create cache directory at
ECHO %cache_dir%
ECHO.
ECHO This may be because flutter doesn't have write permissions for
ECHO this path. Try moving the flutter directory to a writable location,
ECHO such as within your home directory.
EXIT /B 1
)
REM To debug the tool, you can uncomment the following lines to enable checked mode and set an observatory port:
REM SET FLUTTER_TOOL_ARGS="--checked %FLUTTER_TOOL_ARGS%"
REM SET FLUTTER_TOOL_ARGS="%FLUTTER_TOOL_ARGS% --observe=65432"
:acquire_lock
2>NUL (
REM "3" is now stderr because of "2>NUL".
CALL :subroutine %* 2>&3 9> "%cache_dir%\flutter.bat.lock" || GOTO acquire_lock
)
GOTO :after_subroutine
:subroutine
PUSHD "%flutter_root%"
FOR /f %%r IN ('git rev-parse HEAD') DO SET revision=%%r
POPD
REM The following IF conditions are all linked with a logical OR. However,
REM there is no OR operator in batch and a GOTO construct is used as replacement.
IF NOT EXIST "%engine_stamp%" GOTO do_sdk_update_and_snapshot
SET /P dart_required_version=<"%engine_version_path%"
SET /P dart_installed_version=<"%engine_stamp%"
IF !dart_required_version! NEQ !dart_installed_version! GOTO do_sdk_update_and_snapshot
IF NOT EXIST "%snapshot_path%" GOTO do_snapshot
IF NOT EXIST "%stamp_path%" GOTO do_snapshot
SET /P stamp_value=<"%stamp_path%"
IF !stamp_value! NEQ !revision! GOTO do_snapshot
SET pubspec_yaml_path=%flutter_tools_dir%\pubspec.yaml
SET pubspec_lock_path=%flutter_tools_dir%\pubspec.lock
FOR /F %%i IN ('DIR /B /O:D "%pubspec_yaml_path%" "%pubspec_lock_path%"') DO SET newer_file=%%i
FOR %%i IN (%pubspec_yaml_path%) DO SET pubspec_yaml_timestamp=%%~ti
FOR %%i IN (%pubspec_lock_path%) DO SET pubspec_lock_timestamp=%%~ti
IF "%pubspec_yaml_timestamp%" == "%pubspec_lock_timestamp%" SET newer_file=""
IF "%newer_file%" EQU "pubspec.yaml" GOTO do_snapshot
REM Everything is uptodate - exit subroutine
EXIT /B
:do_sdk_update_and_snapshot
ECHO Checking Dart SDK version...
SET update_dart_bin=%FLUTTER_ROOT%/bin/internal/update_dart_sdk.ps1
REM Escape apostrophes from the executable path
SET "update_dart_bin=!update_dart_bin:'=''!"
PowerShell.exe -ExecutionPolicy Bypass -Command "Unblock-File -Path '%update_dart_bin%'; & '%update_dart_bin%'"
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to update Dart SDK. Retrying...
timeout /t 5 /nobreak
GOTO :do_sdk_update_and_snapshot
)
:do_snapshot
IF EXIST "%FLUTTER_ROOT%\version" DEL "%FLUTTER_ROOT%\version"
ECHO: > "%cache_dir%\.dartignore"
ECHO Building flutter tool...
PUSHD "%flutter_tools_dir%"
REM Makes changes to PUB_ENVIRONMENT only visible to commands within SETLOCAL/ENDLOCAL
SETLOCAL
SET VERBOSITY=--verbosity=error
IF "%CI%" == "true" GOTO on_bot
IF "%BOT%" == "true" GOTO on_bot
IF "%CONTINUOUS_INTEGRATION%" == "true" GOTO on_bot
IF "%CHROME_HEADLESS%" == "1" GOTO on_bot
GOTO not_on_bot
:on_bot
SET PUB_ENVIRONMENT=%PUB_ENVIRONMENT%:flutter_bot
SET VERBOSITY=--verbosity=normal
:not_on_bot
SET PUB_ENVIRONMENT=%PUB_ENVIRONMENT%:flutter_install
IF "%PUB_CACHE%" == "" (
IF EXIST "%pub_cache_path%" SET PUB_CACHE=%pub_cache_path%
)
SET /A total_tries=10
SET /A remaining_tries=%total_tries%-1
:retry_pub_upgrade
ECHO Running pub upgrade...
CALL "%pub%" upgrade "%VERBOSITY%" --no-packages-dir
IF "%ERRORLEVEL%" EQU "0" goto :upgrade_succeeded
ECHO Error Unable to 'pub upgrade' flutter tool. Retrying in five seconds... (%remaining_tries% tries left)
timeout /t 5 /nobreak 2>NUL
SET /A remaining_tries-=1
IF "%remaining_tries%" EQU "0" GOTO upgrade_retries_exhausted
GOTO :retry_pub_upgrade
:upgrade_retries_exhausted
SET exit_code=%ERRORLEVEL%
ECHO Error: 'pub upgrade' still failing after %total_tries% tries, giving up.
GOTO final_exit
:upgrade_succeeded
ENDLOCAL
POPD
"%dart%" --snapshot="%snapshot_path%" --packages="%flutter_tools_dir%\.packages" "%script_path%"
IF "%ERRORLEVEL%" NEQ "0" (
ECHO Error: Unable to create dart snapshot for flutter tool.
SET exit_code=%ERRORLEVEL%
GOTO :final_exit
)
>"%stamp_path%" ECHO %revision%
REM Exit Subroutine
EXIT /B
:after_subroutine
REM Chaining the call to 'dart' and 'exit' with an ampersand ensures that
REM Windows reads both commands into memory once before executing them. This
REM avoids nasty errors that may otherwise occure when the dart command (e.g. as
REM part of 'flutter upgrade') modifies this batch script while it is executing.
REM
REM Do not use the CALL command in the next line to execute Dart. CALL causes
REM Windows to re-read the line from disk after the CALL command has finished
REM regardless of the ampersand chain.
"%dart%" %FLUTTER_TOOL_ARGS% "%snapshot_path%" %* & exit /B !ERRORLEVEL!
:final_exit
EXIT /B %exit_code%

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Dart SDK dependency
===================
The `bin/internal/engine.version` file controls which version of the Flutter engine to use.
The file contains the commit hash of a commit in the <https://github.com/flutter/engine> repository.
That hash must have successfully been compiled on <https://build.chromium.org/p/client.flutter/> and had its artifacts (the binaries that run on Android and iOS, the compiler, etc) successfully uploaded to Google Cloud Storage.
The `/bin/internal/engine.merge_method` file controls how we merge a pull
request created by the engine auto-roller. If it's `squash`, there's only one
commit for a pull request no matter how many engine commits there are inside
that pull request. If it's `rebase`, the number of commits in the framework is
equal to the number of engine commits in the pull request. The latter method
makes it easier to detect regressions but costs more test resources.

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squash

1
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7375a0f414bde4bc941e623482221db2fc8c4ab5

1
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e07cc0cb4fdf912062e71a6fd97cc91478d6e3b9

1
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flutter_infra/gradle-wrapper/fd5c1f2c013565a3bea56ada6df9d2b8e96d56aa/gradle-wrapper.tgz

1
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flutter_infra/flutter/fonts/13ac995daa9dda0a6ba0a45f1fccc541e616a74c/fonts.zip

79
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# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# ---------------------------------- NOTE ---------------------------------- #
#
# Please keep the logic in this file consistent with the logic in the
# `update_dart_sdk.sh` script in the same directory to ensure that Flutter
# continues to work across all platforms!
#
# -------------------------------------------------------------------------- #
$ErrorActionPreference = "Stop"
$progName = Split-Path -parent $MyInvocation.MyCommand.Definition
$flutterRoot = (Get-Item $progName).parent.parent.FullName
$cachePath = "$flutterRoot\bin\cache"
$dartSdkPath = "$cachePath\dart-sdk"
$engineStamp = "$cachePath\engine-dart-sdk.stamp"
$engineVersion = (Get-Content "$flutterRoot\bin\internal\engine.version")
$oldDartSdkPrefix = "dart-sdk.old"
if ((Test-Path $engineStamp) -and ($engineVersion -eq (Get-Content $engineStamp))) {
return
}
Write-Host "Downloading Dart SDK from Flutter engine $engineVersion..."
$dartSdkBaseUrl = $Env:FLUTTER_STORAGE_BASE_URL
if (-not $dartSdkBaseUrl) {
$dartSdkBaseUrl = "https://storage.googleapis.com"
}
$dartZipName = "dart-sdk-windows-x64.zip"
$dartSdkUrl = "$dartSdkBaseUrl/flutter_infra/flutter/$engineVersion/$dartZipName"
if (Test-Path $dartSdkPath) {
# Move old SDK to a new location instead of deleting it in case it is still in use (e.g. by IntelliJ).
$oldDartSdkSuffix = 1
while (Test-Path "$cachePath\$oldDartSdkPrefix$oldDartSdkSuffix") { $oldDartSdkSuffix++ }
Rename-Item $dartSdkPath "$oldDartSdkPrefix$oldDartSdkSuffix"
}
New-Item $dartSdkPath -force -type directory | Out-Null
$dartSdkZip = "$cachePath\$dartZipName"
Try {
Import-Module BitsTransfer
Start-BitsTransfer -Source $dartSdkUrl -Destination $dartSdkZip
}
Catch {
Write-Host "Downloading the Dart SDK using the BITS service failed, retrying with WebRequest..."
Invoke-WebRequest -Uri $dartSdkUrl -OutFile $dartSdkZip
}
Write-Host "Unzipping Dart SDK..."
If (Get-Command 7z -errorAction SilentlyContinue) {
# The built-in unzippers are painfully slow. Use 7-Zip, if available.
& 7z x $dartSdkZip "-o$cachePath" -bd | Out-Null
} ElseIf (Get-Command 7za -errorAction SilentlyContinue) {
# Use 7-Zip's standalone version 7za.exe, if available.
& 7za x $dartSdkZip "-o$cachePath" -bd | Out-Null
} ElseIf (Get-Command Expand-Archive -errorAction SilentlyContinue) {
# Use PowerShell's built-in unzipper, if available (requires PowerShell 5+).
Expand-Archive $dartSdkZip -DestinationPath $cachePath
} Else {
# As last resort: fall back to the Windows GUI.
$shell = New-Object -com shell.application
$zip = $shell.NameSpace($dartSdkZip)
foreach($item in $zip.items()) {
$shell.Namespace($cachePath).copyhere($item)
}
}
Remove-Item $dartSdkZip
$engineVersion | Out-File $engineStamp -Encoding ASCII
# Try to delete all old SDKs.
Get-ChildItem -Path $cachePath | Where {$_.BaseName.StartsWith($oldDartSdkPrefix)} | Remove-Item -Recurse -ErrorAction SilentlyContinue

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#!/usr/bin/env bash
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# ---------------------------------- NOTE ---------------------------------- #
#
# Please keep the logic in this file consistent with the logic in the
# `update_dart_sdk.ps1` script in the same directory to ensure that Flutter
# continues to work across all platforms!
#
# -------------------------------------------------------------------------- #
set -e
FLUTTER_ROOT="$(dirname "$(dirname "$(dirname "${BASH_SOURCE[0]}")")")"
DART_SDK_PATH="$FLUTTER_ROOT/bin/cache/dart-sdk"
DART_SDK_PATH_OLD="$DART_SDK_PATH.old"
ENGINE_STAMP="$FLUTTER_ROOT/bin/cache/engine-dart-sdk.stamp"
ENGINE_VERSION=`cat "$FLUTTER_ROOT/bin/internal/engine.version"`
if [ ! -f "$ENGINE_STAMP" ] || [ "$ENGINE_VERSION" != `cat "$ENGINE_STAMP"` ]; then
echo "Downloading Dart SDK from Flutter engine $ENGINE_VERSION..."
case "$(uname -s)" in
Darwin)
DART_ZIP_NAME="dart-sdk-darwin-x64.zip"
;;
Linux)
DART_ZIP_NAME="dart-sdk-linux-x64.zip"
;;
*)
echo "Unknown operating system. Cannot install Dart SDK."
exit 1
;;
esac
DART_SDK_BASE_URL="${FLUTTER_STORAGE_BASE_URL:-https://storage.googleapis.com}"
DART_SDK_URL="$DART_SDK_BASE_URL/flutter_infra/flutter/$ENGINE_VERSION/$DART_ZIP_NAME"
# if the sdk path exists, copy it to a temporary location
if [ -d "$DART_SDK_PATH" ]; then
rm -rf "$DART_SDK_PATH_OLD"
mv "$DART_SDK_PATH" "$DART_SDK_PATH_OLD"
fi
# install the new sdk
rm -rf -- "$DART_SDK_PATH"
mkdir -p -- "$DART_SDK_PATH"
DART_SDK_ZIP="$FLUTTER_ROOT/bin/cache/$DART_ZIP_NAME"
curl --continue-at - --location --output "$DART_SDK_ZIP" "$DART_SDK_URL" 2>&1 || {
echo
echo "Failed to retrieve the Dart SDK at $DART_SDK_URL"
echo "If you're located in China, please follow"
echo "https://github.com/flutter/flutter/wiki/Using-Flutter-in-China"
echo
rm -f -- "$DART_SDK_ZIP"
exit 1
}
unzip -o -q "$DART_SDK_ZIP" -d "$FLUTTER_ROOT/bin/cache" || {
echo
echo "It appears that the downloaded file is corrupt; please try the operation again later."
echo "If this problem persists, please report the problem at"
echo "https://github.com/flutter/flutter/issues/new?template=ACTIVATION.md"
echo
rm -f -- "$DART_SDK_ZIP"
exit 1
}
rm -f -- "$DART_SDK_ZIP"
echo "$ENGINE_VERSION" > "$ENGINE_STAMP"
# delete any temporary sdk path
if [ -d "$DART_SDK_PATH_OLD" ]; then
rm -rf "$DART_SDK_PATH_OLD"
fi
fi

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# This file is used by dartdoc when generating API documentation for Flutter.
dartdoc:
# Before you can run dartdoc, the snippets tool needs to have a snapshot built.
# The dev/tools/dartdoc.dart script does this automatically.
tools:
snippet:
command: ["dev/snippets/lib/main.dart", "--type=application"]
description: "Creates application sample code documentation output from embedded documentation samples."
sample:
command: ["dev/snippets/lib/main.dart", "--type=sample"]
description: "Creates sample code documentation output from embedded documentation samples."

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This directory contains tools and resources that the Flutter team uses
during development of the framework. The tools in this directory
should not be necessary for developing Flutter applications, though of
course they may be interesting if you are curious.

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This is a fake package for use by automated testing.
For example, the `flutter_tools` package uses this to test `flutter test`.

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The files in this directory are used as part of tests in the
`flutter_tools` package. Some are here because here these tests need a
`pubspec.yaml` that references the flutter framework (which is
intentionally not true of the `flutter_tools` package). Others are
here mostly out of peer pressure.

61
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<<skip until matching line>>
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following message was thrown running a test:
Who lives, who dies, who tells your story\?
When the exception was thrown, this was the stack:
#0 main.<anonymous closure> \(.+[/\\]dev[/\\]automated_tests[/\\]flutter_test[/\\]exception_handling_test\.dart:10:5\)
<asynchronous suspension>
#1 .+ \(package:flutter_test[/\\]src[/\\]widget_tester\.dart:[0-9]+:[0-9]+\)
<<skip until matching line>>
^\(elided [0-9]+ .+\)$
The test description was:
Exception handling in test harness - string
════════════════════════════════════════════════════════════════════════════════════════════════════
.*(this line has more of the test framework's output)?
Test failed\. See exception logs above\.
The test description was: Exception handling in test harness - string
*
[^═]*(this line contains the test framework's output with the clock and so forth)?
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following assertion was thrown running a test:
Who lives, who dies, who tells your story\?
When the exception was thrown, this was the stack:
#0 main.<anonymous closure> \(.+[/\\]dev[/\\]automated_tests[/\\]flutter_test[/\\]exception_handling_test\.dart:13:5\)
<asynchronous suspension>
#1 .+ \(package:flutter_test[/\\]src[/\\]widget_tester\.dart:[0-9]+:[0-9]+\)
<<skip until matching line>>
^\(elided [0-9]+ .+\)$
The test description was:
Exception handling in test harness - FlutterError
════════════════════════════════════════════════════════════════════════════════════════════════════
.*(this line has more of the test framework's output)?
Test failed\. See exception logs above\.
The test description was: Exception handling in test harness - FlutterError
*
[^═]*(this line contains the test framework's output with the clock and so forth)?
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following message was thrown running a test:
Who lives, who dies, who tells your story\?
When the exception was thrown, this was the stack:
#[0-9]+ +main.<anonymous closure> \(.+[/\\]dev[/\\]automated_tests[/\\]flutter_test[/\\]exception_handling_test\.dart:15:105\)
#[0-9]+ +.+ \(package:flutter_test[/\\]src[/\\]binding.dart:[0-9]+:[0-9]+\)
#[0-9]+ +.+ \(package:flutter_test[/\\]src[/\\]binding.dart:[0-9]+:[0-9]+\)
#[0-9]+ +.+ \(package:flutter_test[/\\]src[/\\]binding.dart:[0-9]+:[0-9]+\)
#[0-9]+ +.+ \(package:flutter_test[/\\]src[/\\]binding.dart:[0-9]+:[0-9]+\)
#[0-9]+ +.+ \(package:flutter_test[/\\]src[/\\]widget_tester\.dart:[0-9]+:[0-9]+\)
<<skip until matching line>>
^\(elided [0-9]+ .+\)$
The test description was:
Exception handling in test harness - uncaught Future error
════════════════════════════════════════════════════════════════════════════════════════════════════
.*(this line has more of the test framework's output)?
Test failed\. See exception logs above\.
The test description was: Exception handling in test harness - uncaught Future error
*
.*..:.. \+0 -3: Some tests failed\. *

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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Exception handling in test harness - string', (WidgetTester tester) async {
throw 'Who lives, who dies, who tells your story?';
});
testWidgets('Exception handling in test harness - FlutterError', (WidgetTester tester) async {
throw FlutterError('Who lives, who dies, who tells your story?');
});
testWidgets('Exception handling in test harness - uncaught Future error', (WidgetTester tester) async {
Future<void>.error('Who lives, who dies, who tells your story?');
});
}

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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
void main() {
test('included', () {
expect(2 + 2, 4);
});
test('excluded', () {
throw 'this test should have been filtered out';
});
}

25
flutter/dev/automated_tests/flutter_test/test_async_utils_guarded_expectation.txt Normal file
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@ -0,0 +1,25 @@
<<skip until matching line>>
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following assertion was thrown running a test:
Guarded function conflict\. You must use "await" with all Future-returning test APIs\.
The guarded "guardedHelper" function was called from .*dev/automated_tests/flutter_test/test_async_utils_guarded_test\.dart on line [0-9]+\.
Then, the "expect" function was called from .*dev/automated_tests/flutter_test/test_async_utils_guarded_test\.dart on line [0-9]+\.
The first function \(guardedHelper\) had not yet finished executing at the time that the second function \(expect\) was called\. Since both are guarded, and the second was not a nested call inside the first, the first must complete its execution before the second can be called\. Typically, this is achieved by putting an "await" statement in front of the call to the first\.
If you are confident that all test APIs are being called using "await", and this expect\(\) call is not being called at the top level but is itself being called from some sort of callback registered before the guardedHelper method was called, then consider using expectSync\(\) instead\.
When the first function \(guardedHelper\) was called, this was the stack:
<<skip until matching line>>
\(elided .+\)
When the exception was thrown, this was the stack:
<<skip until matching line>>
\(elided .+\)
The test description was:
TestAsyncUtils - custom guarded sections
════════════════════════════════════════════════════════════════════════════════════════════════════
.*(this line has more of the test framework's output)?
Test failed\. See exception logs above\.
The test description was: TestAsyncUtils - custom guarded sections
*
.*..:.. \+0 -1: Some tests failed\. *

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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
class TestTestBinding extends AutomatedTestWidgetsFlutterBinding {
@override
DebugPrintCallback get debugPrintOverride => testPrint;
static void testPrint(String message, { int wrapWidth }) { print(message); }
}
Future<void> guardedHelper(WidgetTester tester) {
return TestAsyncUtils.guard(() async {
await tester.pumpWidget(const Text('Hello', textDirection: TextDirection.ltr));
});
}
void main() {
TestTestBinding();
testWidgets('TestAsyncUtils - custom guarded sections', (WidgetTester tester) async {
await tester.pumpWidget(Container());
expect(find.byElementType(Container), isNotNull);
guardedHelper(tester);
expect(find.byElementType(Container), isNull);
// this should fail
});
}

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[^═]*(this line contains the test framework's output with the clock and so forth)?
<<skip until matching line>>
══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
The following assertion was thrown running a test:
Guarded function conflict\. You must use "await" with all Future-returning test APIs\.
The guarded method "pump" from class WidgetTester was called from .*dev/automated_tests/flutter_test/test_async_utils_unguarded_test.dart on line [0-9]+\.
Then, it was called again from .*dev/automated_tests/flutter_test/test_async_utils_unguarded_test.dart on line [0-9]+\.
The first method had not yet finished executing at the time that the second method was called\. Since both are guarded, and the second was not a nested call inside the first, the first must complete its execution before the second can be called\. Typically, this is achieved by putting an "await" statement in front of the call to the first\.
When the first method was called, this was the stack:
<<skip until matching line>>
(elided [0-9]+ frames from .+)
When the exception was thrown, this was the stack:
<<skip until matching line>>
(elided [0-9]+ frames from .+)
The test description was:
TestAsyncUtils - handling unguarded async helper functions
════════════════════════════════════════════════════════════════════════════════════════════════════
.*..:.. \+0 -1: TestAsyncUtils - handling unguarded async helper functions *
Test failed\. See exception logs above\.
The test description was: TestAsyncUtils - handling unguarded async helper functions
*
.*..:.. \+0 -1: Some tests failed\. *

25
flutter/dev/automated_tests/flutter_test/test_async_utils_unguarded_test.dart Normal file
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@ -0,0 +1,25 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
class TestTestBinding extends AutomatedTestWidgetsFlutterBinding {
@override
DebugPrintCallback get debugPrintOverride => testPrint;
static void testPrint(String message, { int wrapWidth }) { print(message); }
}
Future<void> helperFunction(WidgetTester tester) async {
await tester.pump();
}
void main() {
TestTestBinding();
testWidgets('TestAsyncUtils - handling unguarded async helper functions', (WidgetTester tester) async {
helperFunction(tester);
helperFunction(tester);
// this should fail
});
}

16
flutter/dev/automated_tests/flutter_test/ticker_expectation.txt Normal file
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@ -0,0 +1,16 @@
<<skip until matching line>>
══╡ EXCEPTION CAUGHT BY SCHEDULER LIBRARY ╞═════════════════════════════════════════════════════════
The following message was thrown:
An animation is still running even after the widget tree was disposed.
There was one transient callback left. The stack trace for when it was registered is as follows:
── callback 2 ──
<<skip until matching line>>
#[0-9]+ main.+ \(.+/dev/automated_tests/flutter_test/ticker_test\.dart:[0-9]+:[0-9]+\)
<<skip until matching line>>
════════════════════════════════════════════════════════════════════════════════════════════════════
.*..:.. \+0 -1: Does flutter_test catch leaking tickers\? \[E\]
Test failed\. See exception logs above\.
The test description was: Does flutter_test catch leaking tickers\?
*
.*..:.. \+0 -1: Some tests failed\. *

16
flutter/dev/automated_tests/flutter_test/ticker_test.dart Normal file
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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/scheduler.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Does flutter_test catch leaking tickers?', (WidgetTester tester) async {
Ticker((Duration duration) { })..start();
final ByteData message = const StringCodec().encodeMessage('AppLifecycleState.paused');
await BinaryMessages.handlePlatformMessage('flutter/lifecycle', message, (_) {});
});
}

9
flutter/dev/automated_tests/flutter_test/trivial_test.dart Normal file
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@ -0,0 +1,9 @@
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
void main() {
test('trivial', () { });
}

1
flutter/dev/automated_tests/flutter_test/trivial_widget_expectation.txt Normal file
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@ -0,0 +1 @@
[0-9]+:[0-9]+ [+]1: All tests passed!

9
flutter/dev/automated_tests/flutter_test/trivial_widget_test.dart Normal file
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@ -0,0 +1,9 @@
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('A trivial widget test', (WidgetTester tester) async {});
}

70
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name: flutter_automated_tests
environment:
# The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
sdk: ">=2.0.0-dev.68.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
flutter_test:
sdk: flutter
test: 1.5.1
analyzer: 0.33.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
args: 1.5.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
async: 2.0.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
boolean_selector: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
charcode: 1.1.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
collection: 1.14.11 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
convert: 2.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
crypto: 2.0.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
csslib: 0.14.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
front_end: 0.1.6+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
glob: 1.1.7 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
html: 0.13.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
http: 0.12.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
http_multi_server: 2.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
http_parser: 3.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
io: 0.3.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
js: 0.6.1+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
json_rpc_2: 2.0.9 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
kernel: 0.3.6+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
logging: 0.11.3+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
matcher: 0.12.3+1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
meta: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
mime: 0.9.6+2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
multi_server_socket: 1.0.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
node_preamble: 1.4.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
package_config: 1.0.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
package_resolver: 1.0.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
path: 1.6.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
plugin: 0.2.0+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
pool: 1.3.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
pub_semver: 1.4.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
quiver: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf: 0.7.3+3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_packages_handler: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_static: 0.2.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
shelf_web_socket: 0.2.2+4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_map_stack_trace: 1.1.5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_maps: 0.10.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
source_span: 1.4.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
stack_trace: 1.9.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
stream_channel: 1.6.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
string_scanner: 1.0.4 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
term_glyph: 1.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
test_api: 0.2.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
test_core: 0.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
typed_data: 1.1.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
utf: 0.9.0+5 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
vector_math: 2.0.8 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
vm_service_client: 0.2.6 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
watcher: 0.9.7+10 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
web_socket_channel: 1.0.9 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
yaml: 2.1.15 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
flutter:
uses-material-design: true
# PUBSPEC CHECKSUM: 4a91

2
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This directory is used by //flutter/dev/bots/test.dart to verify that
`flutter test` actually correctly fails when a test fails.

23
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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io' as system;
import 'package:flutter_test/flutter_test.dart';
// this is a test to make sure our tests consider engine crashes to be failures
// see //flutter/dev/bots/test.dart
void main() {
test('test smoke test -- this test should fail', () async {
if (system.Process.killPid(system.pid, system.ProcessSignal.sigsegv)) {
print('system.Process.killPid returned before the process ended!');
print('Sleeping for a few seconds just in case signal delivery is delayed or our signal handler is being slow...');
system.sleep(const Duration(seconds: 10)); // don't sleep too much, we must not time out
} else {
print('system.Process.killPid reports that the SIGSEGV signal was not delivered!');
}
print('crash1_test.dart will now probably not crash, which will ruin the test.');
});
}

12
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@ -0,0 +1,12 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io' as system;
// this is a test to make sure our tests consider engine crashes to be failures
// see //flutter/dev/bots/test.dart
void main() {
system.Process.killPid(system.pid, system.ProcessSignal.sigsegv);
}

13
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@ -0,0 +1,13 @@
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('tests must restore the value of reportTestException', (WidgetTester tester) async {
// This test is expected to fail.
reportTestException = (FlutterErrorDetails details, String testDescription) {};
});
}

14
flutter/dev/automated_tests/test_smoke_test/fail_test.dart Normal file
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@ -0,0 +1,14 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_test/flutter_test.dart';
// this is a test to make sure our tests actually catch failures
// see //flutter/dev/bots/test.dart
void main() {
test('test smoke test -- this test SHOULD FAIL', () async {
expect(false, isTrue);
});
}

10
flutter/dev/automated_tests/test_smoke_test/missing_import_test.broken_dart Normal file
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@ -0,0 +1,10 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// this is a test to make sure our tests consider syntax errors to be failures
// see //flutter/dev/bots/test.dart
void main() {
fail(); // inspired by https://github.com/flutter/flutter/issues/2698
}

14
flutter/dev/automated_tests/test_smoke_test/pass_test.dart Normal file
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@ -0,0 +1,14 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_test/flutter_test.dart';
// this is a test to make sure our tests actually catch failures
// see //flutter/dev/bots/test.dart
void main() {
test('test smoke test -- this test should pass', () async {
expect(true, isTrue);
});
}

9
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@ -0,0 +1,9 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// this is a test to make sure our tests consider syntax errors to be failures
// see //flutter/dev/bots/test.dart
The challenge: demand satisfaction
If they apologize, no need for further action.

13
flutter/dev/automated_tests/test_smoke_test/timeout_fail_test.dart Normal file
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@ -0,0 +1,13 @@
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('flutter_test timeout logic - addTime - negative', (WidgetTester tester) async {
await tester.runAsync(() async {
await Future<void>.delayed(const Duration(milliseconds: 3500));
}, additionalTime: const Duration(milliseconds: 200));
});
}

13
flutter/dev/automated_tests/test_smoke_test/timeout_pass_test.dart Normal file
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@ -0,0 +1,13 @@
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('flutter_test timeout logic - addTime - positive', (WidgetTester tester) async {
await tester.runAsync(() async {
await Future<void>.delayed(const Duration(milliseconds: 2500)); // must be longer than default timeout.
}, additionalTime: const Duration(milliseconds: 2000)); // default timeout is 2s, so this makes it 4s.
});
}

26
flutter/dev/benchmarks/complex_layout/README.md Normal file
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@ -0,0 +1,26 @@
# complex_layout
## Scrolling benchmark
To run the scrolling benchmark on a device:
```
flutter drive --profile test_driver/scroll_perf.dart
```
Results should be in the file `build/complex_layout_scroll_perf.timeline_summary.json`.
More detailed logs should be in `build/complex_layout_scroll_perf.timeline.json`.
## Startup benchmark
To measure startup time on a device:
```
flutter run --profile --trace-startup
```
Results should be in the logs.
Additional results should be in the file `build/start_up_info.json`.

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def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
localPropertiesFile.withInputStream { stream ->
localProperties.load(stream)
}
}
def flutterRoot = localProperties.getProperty('flutter.sdk')
if (flutterRoot == null) {
throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
}
apply plugin: 'com.android.application'
apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
android {
compileSdkVersion 27
lintOptions {
disable 'InvalidPackage'
}
defaultConfig {
minSdkVersion 16
targetSdkVersion 27
versionCode 1
versionName "0.0.1"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
// TODO: Add your own signing config for the release build.
// Signing with the debug keys for now, so `flutter run --release` works.
signingConfig signingConfigs.debug
}
}
aaptOptions {
// TODO(goderbauer): remove when https://github.com/flutter/flutter/issues/8986 is resolved.
if(System.getenv("FLUTTER_CI_WIN")) {
println "AAPT cruncher disabled when running on CI, see https://github.com/flutter/flutter/issues/8986"
cruncherEnabled false
}
}
}
flutter {
source '../..'
}
dependencies {
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}

19
flutter/dev/benchmarks/complex_layout/android/app/src/main/AndroidManifest.xml Normal file
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@ -0,0 +1,19 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.yourcompany.complexLayout">
<uses-permission android:name="android.permission.INTERNET"/>
<application android:name="io.flutter.app.FlutterApplication" android:label="complex_layout" android:icon="@mipmap/ic_launcher">
<activity android:name="io.flutter.app.FlutterActivity"
android:launchMode="singleTop"
android:theme="@android:style/Theme.Black.NoTitleBar"
android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
android:hardwareAccelerated="true"
android:windowSoftInputMode="adjustResize">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>

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29
flutter/dev/benchmarks/complex_layout/android/build.gradle Normal file
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@ -0,0 +1,29 @@
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.1'
}
}
allprojects {
repositories {
google()
jcenter()
}
}
rootProject.buildDir = '../build'
subprojects {
project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
project.evaluationDependsOn(':app')
}
task clean(type: Delete) {
delete rootProject.buildDir
}

1
flutter/dev/benchmarks/complex_layout/android/gradle.properties Normal file
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@ -0,0 +1 @@
org.gradle.jvmargs=-Xmx1536M

6
flutter/dev/benchmarks/complex_layout/android/gradle/wrapper/gradle-wrapper.properties vendored Normal file
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@ -0,0 +1,6 @@
#Fri Jun 23 08:50:38 CEST 2017
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip

1
flutter/dev/benchmarks/complex_layout/android/settings.gradle Normal file
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@ -0,0 +1 @@
include ':app'

26
flutter/dev/benchmarks/complex_layout/ios/Flutter/AppFrameworkInfo.plist Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>App</string>
<key>CFBundleIdentifier</key>
<string>io.flutter.flutter.app</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>App</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
<key>MinimumOSVersion</key>
<string>8.0</string>
</dict>
</plist>

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