flutter_inappwebview:    git:      url: https://gitee.com/openharmony-sig/flutter_inappwebview.git      path: "flutter_inappwebview"

    "abilities": [      {        "name": "EntryAbility",        "srcEntry": "./ets/entryability/EntryAbility.ets",        "description": "$string:EntryAbility_desc",        "icon": "$media:icon",        "label": "$string:EntryAbility_label",        "startWindowIcon": "$media:icon",        "startWindowBackground": "$color:start_window_background",        "exported": true,        "skills": [          {            "entities": [              "entity.system.home"            ],            "actions": [              "action.system.home"            ]          }        ],        "orientation": "landscape"      }    ],

import { BinaryMessenger } from '@ohos/flutter_ohos/src/main/ets/plugin/common/BinaryMessenger';import MessageCodec from '@ohos/flutter_ohos/src/main/ets/plugin/common/MessageCodec';import PlatformViewFactory from '@ohos/flutter_ohos/src/main/ets/plugin/platform/PlatformViewFactory';import { CustomView } from './CustomView';import common from '@ohos.app.ability.common';import PlatformView from '@ohos/flutter_ohos/src/main/ets/plugin/platform/PlatformView';
export class CustomFactory extends PlatformViewFactory {  message: BinaryMessenger;
  constructor(message: BinaryMessenger, createArgsCodes: MessageCodec<Object>) {    super(createArgsCodes);    this.message = message;  }
  public create(context: common.Context, viewId: number, args: Object): PlatformView {    return new CustomView(context, viewId, args, this.message);  }}

import  { FlutterPlugin,  FlutterPluginBinding } from '@ohos/flutter_ohos/src/main/ets/embedding/engine/plugins/FlutterPlugin';import StandardMessageCodec from '@ohos/flutter_ohos/src/main/ets/plugin/common/StandardMessageCodec';import { CustomFactory } from './CustomFactory';
export class CustomPlugin implements FlutterPlugin {  getUniqueClassName(): string {    return 'CustomPlugin';  }
  onAttachedToEngine(binding: FlutterPluginBinding): void {    binding.getPlatformViewRegistry()?.    registerViewFactory('com.rex.custom.ohos/customView', new CustomFactory(binding.getBinaryMessenger(), StandardMessageCodec.INSTANCE));  }
  onDetachedFromEngine(binding: FlutterPluginBinding): void {}}

import MethodChannel, {  MethodCallHandler,  MethodResult} from '@ohos/flutter_ohos/src/main/ets/plugin/common/MethodChannel';import PlatformView, { Params } from '@ohos/flutter_ohos/src/main/ets/plugin/platform/PlatformView';import common from '@ohos.app.ability.common';import { BinaryMessenger } from '@ohos/flutter_ohos/src/main/ets/plugin/common/BinaryMessenger';import StandardMethodCodec from '@ohos/flutter_ohos/src/main/ets/plugin/common/StandardMethodCodec';import MethodCall from '@ohos/flutter_ohos/src/main/ets/plugin/common/MethodCall';import { webview } from '@kit.ArkWeb';
@Componentstruct ButtonComponent {  @Prop params: Params  customView: CustomView = this.params.platformView as CustomView  @StorageLink('numValue') storageLink: string = "first"  @State bkColor: Color = Color.Red
  private webviewController: WebviewController = new webview.WebviewController()
  build() {    Web({src: 'https://baidu.com', controller: this.webviewController})      .domStorageAccess(true)      .fileAccess(true)      .mixedMode(MixedMode.All)      .databaseAccess(true)      .userAgent("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71 Safari/537.36")  }}
@Builderfunction ButtonBuilder(params: Params) {  ButtonComponent({ params: params })    .backgroundColor(Color.Transparent)}
AppStorage.setOrCreate('numValue', 'test')
@Observedexport class CustomView extends PlatformView implements MethodCallHandler {  numValue: string = "test";
  methodChannel: MethodChannel;  index: number = 1;
  constructor(context: common.Context, viewId: number, args: ESObject, message: BinaryMessenger) {    super();    // 注册消息通道    this.methodChannel = new MethodChannel(message, `com.rex.custom.ohos/customView${viewId}`, StandardMethodCodec.INSTANCE);    this.methodChannel.setMethodCallHandler(this);  }
  onMethodCall(call: MethodCall, result: MethodResult): void {    // 接受Dart侧发来的消息    let method: string = call.method;    let link1: SubscribedAbstractProperty<number> = AppStorage.link('numValue');    switch (method) {      case 'getMessageFromFlutterView':        let value: ESObject = call.args;        this.numValue = value;        link1.set(value)        console.log("nodeController receive message from dart: " + this.numValue);        result.success(true);        break;    }  }
  public  sendMessage = () => {    console.log("nodeController sendMessage")    //向Dart侧发送消息    this.methodChannel.invokeMethod('getMessageFromOhosView', 'natvie - ' + this.index++);  }
  getView(): WrappedBuilder<[Params]> {    return new WrappedBuilder(ButtonBuilder);  }
  dispose(): void {  }}

import { FlutterAbility, FlutterEngine } from '@ohos/flutter_ohos';import { GeneratedPluginRegistrant } from '../plugins/GeneratedPluginRegistrant';import { CustomPlugin } from './CustomPlugin';
export default class EntryAbility extends FlutterAbility {  configureFlutterEngine(flutterEngine: FlutterEngine) {    super.configureFlutterEngine(flutterEngine)    GeneratedPluginRegistrant.registerWith(flutterEngine)    this.addPlugin(new CustomPlugin())  }}

import common from '@ohos.app.ability.common';import { FlutterPage } from '@ohos/flutter_ohos'
let storage = LocalStorage.getShared()const EVENT_BACK_PRESS = 'EVENT_BACK_PRESS'
@Entry(storage)@Componentstruct Index {  private context = getContext(this) as common.UIAbilityContext  @LocalStorageLink('viewId') viewId: string = "";
  build() {    Column() {      FlutterPage({ viewId: this.viewId })    }  }
  onBackPress(): boolean {    this.context.eventHub.emit(EVENT_BACK_PRESS)    return true  }}

{  "src": [    "pages/Index"  ]}

Scaffold(  appBar: AppBar(title: Text('code')),  body: OhosView(  viewType: 'com.rex.custom.ohos/customView',  // onPlatformViewCreated: _onPlatformViewCreated,  creationParams: const <String, dynamic>{'initParams': 'hello world'},  creationParamsCodec: const StandardMessageCodec(),)