Flutter Module添加到iOS项目示例详解

flutter create --template module mall_flutter_module

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '13.0'
flutter_application_path = '../../mall_flutter_module'
load File.join(flutter_application_path, '.ios', 'Flutter', 'podhelper.rb')
target 'MallExampleForIOS' do
  use_frameworks!
  install_all_flutter_pods(flutter_application_path)
end

flutter build ios-framework --output=./Flutter/

import Foundation
import Flutter
import FlutterPluginRegistrant
enum Route: Int {
    case none
    case home
    case orders
    case orderCreate
    case evaluates
    case coupons
    case addressList
}
class MallLauncher: NSObject {
    let flutterEngine = FlutterEngine(name: "io.flutter", project: nil)
    lazy var eventChannel = FlutterEventChannel(name: "mall.event.channel", binaryMessenger: flutterEngine.binaryMessenger)
    lazy var viewController = FlutterViewController(engine: flutterEngine, nibName: nil, bundle: nil)
    /// 登录参数
    /// 使用的是正式环境!
    var loginInfo = [
        "host": 1, // app 标识, 1 口腔
        "onlineStoreId": "1366573792149848066", // 网店 id
        "tenantId": "000001", // 租户 id
        "userId": "1384433226133696514", // 商城用户 id
        "token": "test", // 商城 token
        "user": [
            "nickname": "xxx", // 用户昵称
            "phone": "xxxx", // 用户手机号
            "avatar": "" // 用户头像
        ],
        "baseUrl": "https://apisaastore.baiyaodajiankang.com/",
        "shopId": "1366574325145223169" // 初始店铺id
    ] as [String: Any]
    /// 初始化方法
    /// - Parameter initRoute: 初始化路由
    /// - Parameter extraParameters: 额外参数
    init(initRoute: Route = .home, extraParameters: Any? = nil) {
        super.init()
        loginInfo["initRoute"] = initRoute.rawValue // 设置初始路由
        if let extraParameters = extraParameters {
            loginInfo["data"] = extraParameters // 设置额外参数, 如订单信息
        }
        flutterEngine.run()
        eventChannel.setStreamHandler(self)
        GeneratedPluginRegistrant.register(with: flutterEngine)
    }
}
// 交互
extension MallLauncher: FlutterStreamHandler {
    func onListen(withArguments arguments: Any?, eventSink events: @escaping FlutterEventSink) -> FlutterError? {
        events(loginInfo) // 传递登录信息
        return nil
    }
    func onCancel(withArguments arguments: Any?) -> FlutterError? {
        nil
    }
}

let mallLauncher = MallLauncher()
lazy var mathodChannel: FlutterMethodChannel = FlutterMethodChannel(name: "mall.method.channel", binaryMessenger: mallLauncher.flutterEngine.binaryMessenger)

let flutterView = mallLauncher.viewController.view!
flutterView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(flutterView)

launch(MallLauncher(initRoute: .evaluates, extraParameters: nil))

/// 初始化方法
    /// - Parameter initRoute: 初始化路由
    /// - Parameter extraParameters: 额外参数
    init(initRoute: Route = .home, extraParameters: Any? = nil) {
        super.init()
        loginInfo["initRoute"] = initRoute.rawValue // 设置初始路由
        if let extraParameters = extraParameters {
            loginInfo["data"] = extraParameters // 设置额外参数, 如订单信息
        }
        flutterEngine.run()
        eventChannel.setStreamHandler(self)
        GeneratedPluginRegistrant.register(with: flutterEngine)
    }