我要评论一 创建flutter 模块
命令行
flutter create --template module my_flutter
创建完成后，该模块和普通的flutter项目一直，可以通过android studio或vscode打开、开发、运行；
- 和之前项目不同的ios和android项目是一个隐藏文件，并且我们通常不会单独打开它们再来运行；
- 它们的作用是将flutter module进行编译，之后继承到现有的项目中
my_flutter/ ├── .ios/ ├── .android/ ├── lib/ │ └── main.dart ├── test/ └── pubspec.yaml
二 嵌入到ios 项目
主要是通过pod 进行设置，之后pod install
注意my_flutter 的路径对不对
platform :ios, '12.0' # 添加模块所在路径 flutter_application_path = '../my_flutter' load file.join(flutter_application_path, '.ios', 'flutter', 'podhelper.rb') target 'flutterhybriddemo' do # comment the next line if you don't want to use dynamic frameworks use_frameworks! # 安装flutter模块 install_all_flutter_pods(flutter_application_path) # pods for flutterhybriddemo end post_install do |installer| flutter_post_install(installer) if defined?(flutter_post_install) end
三 ios 项目中调用
为了在既有的ios应用中展示flutter页面，需要启动 flutter engine和 flutterviewcontroller
appdelegate 中设置代码
import uikit
import flutterpluginregistrant
@main
class appdelegate: uiresponder, uiapplicationdelegate {
// 1.创建一个flutterengine对象
lazy var flutterengine = flutterengine(name:"my flutter engine")
func application(_ application: uiapplication, didfinishlaunchingwithoptions launchoptions: [uiapplication.launchoptionskey: any]?) -> bool {
// override point for customization after application launch.
// 2 启动
flutterengine.run()
return true
}在viewcontrolelr 设置的代码
import uikit
import flutter
class viewcontroller: uiviewcontroller {
override func viewdidload() {
super.viewdidload()
// do any additional setup after loading the view.
let btn = uibutton(type: uibutton.buttontype.custom)
btn.settitle("加载flutter", for: uicontrol.state.normal)
btn.frame = cgrect(x: 50, y: 50, width: 200, height: 50)
btn.backgroundcolor = uicolor.blue
btn.addtarget(self, action: #selector(showflutter), for: uicontrol.event.touchupinside)
view.addsubview(btn)
}
@objc func showflutter(){
let flutterengine = (uiapplication.shared.delegate as! appdelegate).flutterengine
let fluttercontroller = flutterviewcontroller(engine:flutterengine, nibname: nil, bundle: nil)
present(fluttercontroller, animated: true)
}
}显示的结果 顺利加载出flutter 的页面
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