问哪些插件要取消检查，哪些插件要在android中签入以进行颤振开发。

EN

_loadHtmlFromAssets() async {    
    String url = 'http://test.com/Android/sample.html';
    Response response = await get(url);
    // sample info available in response

    String fileText = response.body;

    _controller.loadUrl( Uri.dataFromString(
        fileText,
        mimeType: 'text/html',
        encoding: Encoding.getByName('utf-8')
    ).toString());
  }

import 'package:flutter/material.dart';
import 'dart:convert';

import 'package:flutter/services.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:http/http.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: HelpScreen(),
    );
  }
}

class HelpScreen extends StatefulWidget {
  @override
  HelpScreenState createState() {
    return HelpScreenState();
  }
}

class HelpScreenState extends State<HelpScreen> {
  WebViewController _controller;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('Help')),
      body: SingleChildScrollView(
        child: Column(
          children: <Widget>[
            Container(
              height: 300,
              child: WebView(
                initialUrl: '',
                javascriptMode: JavascriptMode.unrestricted,
                onWebViewCreated: (WebViewController webViewController) {
                  _controller = webViewController;
                },
              ),
            ),
            IconButton(
              icon: const Icon(
                Icons.thumb_up,
                semanticLabel: 'Thumbs up',
              ),
              onPressed: () {
                _loadHtmlFromAssets();
              },
            ),
          ],
        ),
      ),
    );
  }

  _loadHtmlFromAssets() async {
    //String fileText = await rootBundle.loadString('assets/help.html');
    String url = 'http://test.com/Android/sample.html';
    Response response = await get(url);
    // sample info available in response

    String fileText = response.body;

    _controller.loadUrl( Uri.dataFromString(
        fileText,
        mimeType: 'text/html',
        encoding: Encoding.getByName('utf-8')
    ).toString());
  }
}