iOS

1、切换Flutter环境到master环境
查看当前环境：flutter channel
切换到master环境：flutter channel master
执行flutter doctor
2、创建项目基本目录flutter_test
3、flutter_test下使用Xcode创建iOS项目，添加CocosPods支持
4、flutter_test目录下，创建flutter module
flutter create -t module my_flutter
5、添加Flutter app到Podfile
修改Podfile文件，如下，执行pod install：

platform :ios, '9.0'
use_frameworks!

target 'DouDiZhu' do
    flutter_application_path = '../flutter_module'
    load File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb')
    install_all_flutter_pods(flutter_application_path)
end

podhelper.rb说明：
Whenever you change the Flutter plugin dependencies in some/path/my_flutter/pubspec.yaml, you need to run flutter packages get from some/path/my_flutter to refresh the list of plugins read by the podhelper.rb script. Then run pod install again from some/path/MyApp.

6、iOS项目中Build Settings->Build Options->Enable Bitcode的bitcode改为NO
7、iOS项目中创建AppViewController.swift，内容如下：

import UIKit
import Flutter

class AppViewController: FlutterViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}

8、iOS项目中Appdelegate.swift中修改如下：

import UIKit
import Flutter
import FlutterPluginRegistrant

@UIApplicationMain
class AppDelegate: FlutterAppDelegate {
    var flutterEngine: FlutterEngine?
    var myWindow: UIWindow!
    var navigationController: UINavigationController?
    
    override func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {
        self.flutterEngine = FlutterEngine(name: "io.flutter", project: nil)
        self.flutterEngine?.run(withEntrypoint: nil)
        GeneratedPluginRegistrant.register(with: self.flutterEngine)
        
        let appController = AppViewController()
        self.navigationController = UINavigationController(rootViewController: appController)
        
        self.myWindow = UIWindow(frame: UIScreen.main.bounds)
        self.myWindow.rootViewController = self.navigationController
        self.myWindow.makeKeyAndVisible()
        
        return super.application(application, didFinishLaunchingWithOptions: launchOptions)
    }
    
}

8、iOS项目中general中Main Interface删除为空
9、Android Studio打开flutter项目，运行到iOS设备或者模拟器一次
10、打开Xcode运行iOS项目，即可看到项目内容为flutter所开发的内容

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