Flutter

要求

flutter	xcode	dart	发布日期
2.5.3	12.0.1+	2.14.4	2021-10-16
2.8.1		2.15.1	2021-12-17

开发环境搭建

1.下载稳定版flutter SDK并解压到安装目录

curl https://storage.flutter-io.cn/flutter_infra_release/releases/stable/macos/flutter_macos_2.8.1-stable.zip -O
cd /usr/local
sudo unzip ~/Downloads/flutter_macos_2.8.1-stable.zip

2.配置环境变量

export PATH="$PATH:/usr/local/bin/flutter/bin"
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

项目类型

.metadata

project_type	说明
app	flutter应用
module	flutter和原生混合开发
package	dart组件
plugin	flutter插件

创建项目

# 在当前目录创建插件项目
flutter create -t plugin -a java .

# 添加ios平台
flutter create -t plugin --platforms ios .
# 添加Android平台(java语言)
flutter create -t plugin --platforms android -a java .

flutter_boost接入

1、dart

///创建一个自定义的Binding，继承和with的关系如下，里面什么都不用写
class CustomFlutterBinding extends WidgetsFlutterBinding with BoostFlutterBinding {}

void main() {
  ///这里的CustomFlutterBinding调用务必不可缺少，用于控制Boost状态的resume和pause
  CustomFlutterBinding();
  runApp(MyApp());
}

嵌入原生View-iOS

发布到pub.dev

flutter pub publish --server=https://pub.dartlang.org

Flutter Engine调试

1、获取源码

# 创建目录
mkdir flutter_engine
gclient config .
# 修改.gclient内容
 {
    "name": "src/flutter",
    "url": "git@github.com:flutter/engine.git",
}

设置终端代理，否则chrome-infra-packages.appspot.com不通

export http_proxy=http://127.0.0.1:1087;
export https_proxy=http://127.0.0.1:1087;

可能原因: git未加入到代理app⚠️

2、切换源码到本地flutter sdk的engine版本

cat /usr/local/flutter/bin/internal/engine.version
git reset --hard xxxx