빠른 시작: 몰입형 리더 앱 빌드

몰입형 리더 새로운 독자, 언어 학습자 및 난독증과 같은 학습 차이점을 가진 사람들을 위해 읽기 이해를 향상시키기 위해 입증 된 기술을 구현하는 포괄적으로 설계된 도구입니다. 애플리케이션에서 몰입형 리더 사용하여 텍스트를 격리하여 포커스를 개선하고, 일반적으로 사용되는 단어에 대한 그림을 표시하고, 음성 부분을 강조 표시하고, 선택한 텍스트를 큰 소리로 읽고, 실시간으로 단어와 구를 번역할 수 있습니다.

이 빠른 시작 가이드에서는 C#을 사용하여 웹앱을 처음부터 빌드하고 클라이언트 라이브러리를 사용하여 몰입형 리더 통합합니다. 이 빠른 시작의 전체 작업 샘플은 GitHub에서 사용할 수 있습니다.

필수 구성 요소

웹앱 프로젝트 만들기

기본 제공되는 Model-View-Controller 및 ASP.NET Core 6과 함께 ASP.NET Core 웹 애플리케이션 템플릿을 사용하여 Visual Studio에서 새 프로젝트를 만듭니다. 프로젝트 이름을 QuickstartSampleWebApp으로 지정합니다.

Screenshot of Visual Studio screen to create new project.

Screenshot of Visual Studio screen to configure project.

Screenshot of Aspnet core web app screen.

인증 설정

Solution Explorer에서 프로젝트를 마우스 오른쪽 단추로 클릭하고 사용자 비밀 관리를 선택합니다. 그러면 secrets.json 파일이 열립니다. 이 파일은 소스 제어에 검사 않습니다. 자세한 내용은 앱 비밀의 금고 스토리지를 참조하세요. 몰입형 리더 리소스를 만들 때 지정된 값을 제공하여 secrets.json 내용을 다음으로 바꿉니다.

Important

비밀을 공개적으로 게시하지 마세요. 프로덕션의 경우 Azure Key Vault와 같은 자격 증명을 안전하게 저장하고 액세스하는 방법을 사용합니다.

{
  "TenantId": "YOUR_TENANT_ID",
  "ClientId": "YOUR_CLIENT_ID",
  "ClientSecret": "YOUR_CLIENT_SECRET",
  "Subdomain": "YOUR_SUBDOMAIN"
}

ID 클라이언트 NuGet 패키지 설치

다음 코드는 NuGet 패키지의 Microsoft.Identity.Client 개체를 사용하므로 프로젝트에서 해당 패키지에 대한 참조를 추가해야 합니다.

Important

Microsoft.IdentityModel.Clients.ActiveDirectory NuGet 패키지 및 ADAL(Azure AD 인증 라이브러리)은 더 이상 사용되지 않습니다. 2020년 6월 30일 이후로 추가된 새로운 기능이 없습니다. 업그레이드하는 것이 좋습니다. 자세한 내용은 마이그레이션 가이드를 참조하세요.

도구 -NuGet 패키지 관리자 ->패키지 관리자 콘솔에서 NuGet 패키지 관리자> 콘솔을 열고 다음 명령을 실행합니다.

    Install-Package Microsoft.Identity.Client -Version 4.59.0

토큰을 획득하도록 컨트롤러 업데이트

Controllers\HomeController.cs 열고 파일 맨 위에 있는 using 문 다음에 다음 코드를 추가합니다.

using Microsoft.Identity.Client;

secrets.json Microsoft Entra ID 값을 가져오도록 컨트롤러를 구성합니다. 클래스 public class HomeController : Controller {HomeController 위에 다음 코드를 추가합니다.

private readonly string TenantId;     // Azure subscription TenantId
private readonly string ClientId;     // Microsoft Entra ApplicationId
private readonly string ClientSecret; // Microsoft Entra Application Service Principal password
private readonly string Subdomain;    // Immersive Reader resource subdomain (resource 'Name' if the resource was created in the Azure portal, or 'CustomSubDomain' option if the resource was created with Azure CLI PowerShell. Check the Azure portal for the subdomain on the Endpoint in the resource Overview page, for example, 'https://[SUBDOMAIN].cognitiveservices.azure.com/')

private IConfidentialClientApplication _confidentialClientApplication;
private IConfidentialClientApplication ConfidentialClientApplication
{
    get {
        if (_confidentialClientApplication == null) {
            _confidentialClientApplication = ConfidentialClientApplicationBuilder.Create(ClientId)
            .WithClientSecret(ClientSecret)
            .WithAuthority($"https://login.windows.net/{TenantId}")
            .Build();
        }

        return _confidentialClientApplication;
    }
}

public HomeController(Microsoft.Extensions.Configuration.IConfiguration configuration)
{
    TenantId = configuration["TenantId"];
    ClientId = configuration["ClientId"];
    ClientSecret = configuration["ClientSecret"];
    Subdomain = configuration["Subdomain"];

    if (string.IsNullOrWhiteSpace(TenantId))
    {
        throw new ArgumentNullException("TenantId is null! Did you add that info to secrets.json?");
    }

    if (string.IsNullOrWhiteSpace(ClientId))
    {
        throw new ArgumentNullException("ClientId is null! Did you add that info to secrets.json?");
    }

    if (string.IsNullOrWhiteSpace(ClientSecret))
    {
        throw new ArgumentNullException("ClientSecret is null! Did you add that info to secrets.json?");
    }

    if (string.IsNullOrWhiteSpace(Subdomain))
    {
        throw new ArgumentNullException("Subdomain is null! Did you add that info to secrets.json?");
    }
}

/// <summary>
/// Get a Microsoft Entra ID authentication token
/// </summary>
public async Task<string> GetTokenAsync()
{
    const string resource = "https://cognitiveservices.azure.com/";

    var authResult = await ConfidentialClientApplication.AcquireTokenForClient(
        new[] { $"{resource}/.default" })
        .ExecuteAsync()
        .ConfigureAwait(false);

    return authResult.AccessToken;
}

[HttpGet]
public async Task<JsonResult> GetTokenAndSubdomain()
{
    try
    {
        string tokenResult = await GetTokenAsync();

        return new JsonResult(new { token = tokenResult, subdomain = Subdomain });
    }
    catch (Exception e)
    {
        string message = "Unable to acquire Microsoft Entra token. Check the console for more information.";
        Debug.WriteLine(message, e);
        return new JsonResult(new { error = message });
    }
}

샘플 콘텐츠 추가

먼저 Views\Shared\Layout.cshtml을 엽니다. </head> 줄 앞에 다음 코드를 추가합니다.

@RenderSection("Styles", required: false)

이제 이 웹앱에 샘플 콘텐츠를 추가합니다. Views\Home\Index.cshtml을 열고 자동으로 생성된 모든 코드를 다음 샘플로 바꿉니다.

@{
    ViewData["Title"] = "Immersive Reader C# Quickstart";
}

@section Styles {
    <style type="text/css">
        .immersive-reader-button {
            background-color: white;
            margin-top: 5px;
            border: 1px solid black;
            float: right;
        }
    </style>
}

<div class="container">
    <button class="immersive-reader-button" data-button-style="iconAndText" data-locale="en"></button>

    <h1 id="ir-title">About Immersive Reader</h1>
    <div id="ir-content" lang="en-us">
        <p>
            Immersive Reader is a tool that implements proven techniques to improve reading comprehension for emerging readers, language learners, and people with learning differences.
            The Immersive Reader is designed to make reading more accessible for everyone. The Immersive Reader
            <ul>
                <li>
                    Shows content in a minimal reading view
                </li>
                <li>
                    Displays pictures of commonly used words
                </li>
                <li>
                    Highlights nouns, verbs, adjectives, and adverbs
                </li>
                <li>
                    Reads your content out loud to you
                </li>
                <li>
                    Translates your content into another language
                </li>
                <li>
                    Breaks down words into syllables
                </li>
            </ul>
        </p>
        <h3>
            The Immersive Reader is available in many languages.
        </h3>
        <p lang="es-es">
            El Lector inmersivo está disponible en varios idiomas.
        </p>
        <p lang="zh-cn">
            沉浸式阅读器支持许多语言
        </p>
        <p lang="de-de">
            Der plastische Reader ist in vielen Sprachen verfügbar.
        </p>
        <p lang="ar-eg" dir="rtl" style="text-align:right">
            يتوفر \"القارئ الشامل\" في العديد من اللغات.
        </p>
    </div>
</div>

모든 텍스트에는 텍스트의 언어를 lang 설명하는 특성이 있습니다. 이 특성은 몰입형 리더 관련 언어 및 문법 기능을 제공하는 데 도움이 됩니다.

JavaScript를 추가하여 시작 몰입형 리더 처리

몰입형 판독기 라이브러리는 몰입형 판독기를 시작하고 몰입형 판독기 단추를 렌더링하는 등의 기능을 제공합니다. 자세한 내용은 JavaScript SDK 참조를 참조하세요.

Views\Home\Index.cshtml 아래쪽에 다음 코드를 추가합니다.

@section Scripts
{
    <script src="https://ircdname.azureedge.net/immersivereadersdk/immersive-reader-sdk.1.4.0.js"></script>
    <script>
        function getTokenAndSubdomainAsync() {
            return new Promise(function (resolve, reject) {
                $.ajax({
                    url: "@Url.Action("GetTokenAndSubdomain", "Home")",
                    type: "GET",
                    success: function (data) {
                        if (data.error) {
                            reject(data.error);
                        } else {
                            resolve(data);
                        }
                    },
                    error: function (err) {
                        reject(err);
                    }
                });
            });
        }
    
        $(".immersive-reader-button").click(function () {
            handleLaunchImmersiveReader();
        });
    
        function handleLaunchImmersiveReader() {
            getTokenAndSubdomainAsync()
                .then(function (response) {
                    const token = response["token"];
                    const subdomain = response["subdomain"];
    
                    // Learn more about chunk usage and supported MIME types https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#chunk
                    const data = {
                        title: $("#ir-title").text(),
                        chunks: [{
                            content: $("#ir-content").html(),
                            mimeType: "text/html"
                        }]
                    };
    
                    // Learn more about options https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#options
                    const options = {
                        "onExit": exitCallback,
                        "uiZIndex": 2000
                    };
    
                    ImmersiveReader.launchAsync(token, subdomain, data, options)
                        .catch(function (error) {
                            alert("Error in launching the Immersive Reader. Check the console.");
                            console.log(error);
                        });
                })
                .catch(function (error) {
                    alert("Error in getting the Immersive Reader token and subdomain. Check the console.");
                    console.log(error);
                });
        }
    
        function exitCallback() {
            console.log("This is the callback function. It is executed when the Immersive Reader closes.");
        }
    </script>
}

앱 빌드 및 실행

메뉴 모음에서 디버그 > 디버깅 시작을 선택하거나 F5 키를 눌러 애플리케이션을 시작합니다.

브라우저에 다음이 표시됩니다.

Screenshot of the app running in the browser.

몰입형 판독기 시작

몰입형 리더 단추를 선택하면 페이지의 콘텐츠와 함께 몰입형 리더 시작됩니다.

Screenshot of the Immersive Reader app.

다음 단계

이 빠른 시작에서는 웹앱을 처음부터 빌드하고 몰입형 리더 클라이언트 라이브러리를 사용하여 몰입형 리더 통합합니다. 이 빠른 시작의 전체 작업 샘플은 GitHub에서 사용할 수 있습니다.

필수 구성 요소

Express에서 Node.js 웹앱 만들기

도구를 사용하여 Node.js 웹앱을 만듭니다 express-generator .

npm install express-generator -g
express --view=pug quickstart-nodejs
cd quickstart-nodejs

yarn 종속성을 설치하고 종속성 및 dotenv.request

yarn
yarn add request
yarn add dotenv

qs 라이브러리를 axios 설치합니다.

npm install axios qs

인증 설정

프로젝트의 루트에 .env라는 새 파일을 만듭니다. 다음 코드를 붙여넣고 몰입형 리더 리소스를 만들 때 지정된 값을 제공합니다. 따옴표나 { 문자는 } 포함하지 마세요.

Important

비밀을 공개적으로 게시하지 마세요. 프로덕션의 경우 Azure Key Vault와 같은 자격 증명을 안전하게 저장하고 액세스하는 방법을 사용합니다.

TENANT_ID={YOUR_TENANT_ID}
CLIENT_ID={YOUR_CLIENT_ID}
CLIENT_SECRET={YOUR_CLIENT_SECRET}
SUBDOMAIN={YOUR_SUBDOMAIN}

이 파일에는 공개해서는 안 되는 비밀이 포함되어 있으므로 소스 제어에 커밋하지 않아야 합니다.

다음으로, app.js 열고 파일 맨 위에 다음 코드를 추가합니다. 이렇게 하면 .env 파일에 정의된 속성을 환경 변수로 Node로 로드합니다.

require('dotenv').config();

토큰을 획득하도록 라우터 업데이트

routes\index.js 파일을 열고 자동으로 생성된 코드를 다음 코드로 바꿉니다.

이 코드는 서비스 주체 암호를 사용하여 Microsoft Entra ID 인증 토큰을 획득하는 API 엔드포인트를 만듭니다. 하위 도메인도 검색합니다. 그런 다음, 토큰과 하위 도메인을 포함하는 개체를 반환합니다.

var axios = require('axios');
var express = require('express');
var router = express.Router();
var qs = require('qs');

/* GET home page. */
router.get('/', function(req, res, next) {
  res.render('index', { title: 'Express' });
});

router.get('/GetTokenAndSubdomain', function(req, res) {
    try {
        var config ={
            headers: {
                'content-type': 'application/x-www-form-urlencoded'
            }
        }
        var data = {
            grant_type: 'client_credentials',
            client_id: process.env.CLIENT_ID,
            client_secret: process.env.CLIENT_SECRET,
            resource: 'https://cognitiveservices.azure.com/'
        };
        var url = `https://login.windows.net/${process.env.TENANT_ID}/oauth2/token`
        console.log(qs.stringify(data));
        axios.post(url, qs.stringify(data), config)
        .then(function (response) {
            var token = response.data.access_token;
            var subdomain = process.env.SUBDOMAIN;
            return res.send({token, subdomain});
        })
        .catch(function (response) {
            if (response.status !== 200) {
                return res.send({error :  "Unable to acquire Microsoft Entra token. Check the debugger for more information."})
            }
        });
    } catch (error) {
        console.log(error);
        return res.status(500).send('CogSvcs IssueToken error');
    }
});

module.exports = router;

권한 없는 사용자가 몰입형 리더 서비스 및 청구에 사용할 토큰을 가져오지 못하도록 하려면 GetTokenAndSubdo기본 API 엔드포인트는 OAuth와 같은 일종의 인증 뒤에 보호되어야 하며, 이 작업은 이 빠른 시작의 범위를 벗어야 합니다.

샘플 콘텐츠 추가

이제 이 웹앱에 샘플 콘텐츠를 추가합니다. views\index.pug를 열고 자동으로 생성된 코드를 다음 샘플로 바꿉니다.

doctype html
html
   head
      title Immersive Reader Quickstart Node.js

      link(rel='icon', href='data:;base64,iVBORw0KGgo=')

      link(rel='stylesheet', href='https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css')

      // A polyfill for Promise is needed for IE11 support.
      script(src='https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js')

      script(src='https://ircdname.azureedge.net/immersivereadersdk/immersive-reader-sdk.1.4.0.js')
      script(src='https://code.jquery.com/jquery-3.3.1.min.js')

      style(type="text/css").
        .immersive-reader-button {
          background-color: white;
          margin-top: 5px;
          border: 1px solid black;
          float: right;
        }
   body
      div(class="container")
        button(class="immersive-reader-button" data-button-style="iconAndText" data-locale="en")

        h1(id="ir-title") About Immersive Reader
        div(id="ir-content" lang="en-us")
          p Immersive Reader is a tool that implements proven techniques to improve reading comprehension for emerging readers, language learners, and people with learning differences. The Immersive Reader is designed to make reading more accessible for everyone. The Immersive Reader

            ul
                li Shows content in a minimal reading view
                li Displays pictures of commonly used words
                li Highlights nouns, verbs, adjectives, and adverbs
                li Reads your content out loud to you
                li Translates your content into another language
                li Breaks down words into syllables

          h3 The Immersive Reader is available in many languages.

          p(lang="es-es") El Lector inmersivo está disponible en varios idiomas.
          p(lang="zh-cn") 沉浸式阅读器支持许多语言
          p(lang="de-de") Der plastische Reader ist in vielen Sprachen verfügbar.
          p(lang="ar-eg" dir="rtl" style="text-align:right") يتوفر \"القارئ الشامل\" في العديد من اللغات.

script(type="text/javascript").
  function getTokenAndSubdomainAsync() {
        return new Promise(function (resolve, reject) {
            $.ajax({
                url: "/GetTokenAndSubdomain",
                type: "GET",
                success: function (data) {
                    if (data.error) {
                        reject(data.error);
                    } else {
                        resolve(data);
                    }
                },
                error: function (err) {
                    reject(err);
                }
            });
        });
    }

    $(".immersive-reader-button").click(function () {
        handleLaunchImmersiveReader();
    });

    function handleLaunchImmersiveReader() {
        getTokenAndSubdomainAsync()
            .then(function (response) {
                const token = response["token"];
                const subdomain = response["subdomain"];
                // Learn more about chunk usage and supported MIME types https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#chunk
                const data = {
                    title: $("#ir-title").text(),
                    chunks: [{
                        content: $("#ir-content").html(),
                        mimeType: "text/html"
                    }]
                };
                // Learn more about options https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#options
                const options = {
                    "onExit": exitCallback,
                    "uiZIndex": 2000
                };
                ImmersiveReader.launchAsync(token, subdomain, data, options)
                    .catch(function (error) {
                        alert("Error in launching the Immersive Reader. Check the console.");
                        console.log(error);
                    });
            })
            .catch(function (error) {
                alert("Error in getting the Immersive Reader token and subdomain. Check the console.");
                console.log(error);
            });
    }

    function exitCallback() {
        console.log("This is the callback function. It is executed when the Immersive Reader closes.");
    }

모든 텍스트에는 텍스트의 언어를 lang 설명하는 특성이 있습니다. 이 특성은 몰입형 리더 관련 언어 및 문법 기능을 제공하는 데 도움이 됩니다.

앱 빌드 및 실행

이제 웹앱이 준비되었습니다. 다음을 실행하여 앱을 실행합니다.

npm start

브라우저를 열고 http://localhost:3000로 이동합니다. 다음과 같은 결과가 표시됩니다.

Screenshot of the app in the browser.

몰입형 판독기 시작

몰입형 리더 단추를 선택하면 페이지의 콘텐츠와 함께 몰입형 리더 시작됩니다.

Screenshot of the Immersive Reader app.

다음 단계

이 빠른 시작에서는 Android 앱을 처음부터 빌드하고 몰입형 리더 통합합니다. 이 빠른 시작의 전체 작업 샘플은 GitHub에서 사용할 수 있습니다.

필수 구성 요소

Android 프로젝트 만들기

Android Studio에서 새 프로젝트를 시작합니다.

Screenshot of the Start new project option in Android Studio.

템플릿 창에서 빈 보기 작업을 선택한 다음, 다음을 선택합니다.

Screenshot of the Templates window in Android Studio.

프로젝트 구성

프로젝트 이름을 QuickstartJava로 지정하고 저장할 위치를 선택합니다. 프로그래밍 언어로 Java를 선택한 다음, 마침을 선택합니다.

Screenshot of the Configure project window in Android Studio.

자산 및 인증 설정

자산 폴더를 만들려면 앱을 마우스 오른쪽 단추로 클릭하고 드롭다운에서 폴더 ->자산 폴더를 선택합니다.

Screenshot of the Assets folder option.

자산을 마우스 오른쪽 단추로 클릭하고 새로 만들기 ->File을 선택합니다. 파일 이름을 env로 지정합니다.

Screenshot of name input field to create the env file.

다음 이름과 값을 추가하고 적절한 값을 제공합니다. 이 env 파일에는 공개되어서는 안 되는 비밀이 있으므로 소스 제어로 커밋하지 마세요.

TENANT_ID=<YOUR_TENANT_ID>
CLIENT_ID=<YOUR_CLIENT_ID>
CLIENT_SECRET=<YOUR_CLIENT_SECRET>
SUBDOMAIN=<YOUR_SUBDOMAIN>

Screenshot of Environment variables in Android Studio.

Important

비밀을 공개적으로 게시하지 마세요. 프로덕션의 경우 Azure Key Vault와 같은 자격 증명을 안전하게 저장하고 액세스하는 방법을 사용합니다.

종속성 추가

build.gradle 파일의 기존 종속성을 다음 구현으로 바꿔 gson(JSON 구문 분석 및 serialization) 및 dotenv가 env 파일에 정의된 변수를 참조할 수 있도록 합니다. 이 빠른 시작의 뒷부분에서 작업을 구현할 때 프로젝트를 다시 동기화해야 할 수도 있습니다.

Screenshot of app gradle dependencies.

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.code.gson:gson:2.8.6'
    implementation 'io.github.cdimascio:java-dotenv:5.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

앱 문자열 및 레이아웃 리소스 업데이트

res/values/strings.xml 콘텐츠를 앱에서 사용할 다음 문자열로 바꿉니다.

Screenshot of the app strings xml file.

<resources>

    <!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
    <!-- Licensed under the MIT License. -->

    <string name="app_name">ImmersiveReaderSDK</string>
    <string name="geographyTitle">Geography</string>
    <string name="geographyTextEn">The study of Earth's landforms is called physical geography. Landforms can be mountains and valleys. They can also be glaciers, lakes or rivers. Landforms are sometimes called physical features. It is important for students to know about the physical geography of Earth. The seasons, the atmosphere and all the natural processes of Earth affect where people are able to live. Geography is one of a combination of factors that people use to decide where they want to live. The physical features of a region are often rich in resources. Within a nation, mountain ranges become natural borders for settlement areas. In the U.S., major mountain ranges are the Sierra Nevada, the Rocky Mountains, and the Appalachians. Fresh water sources also influence where people settle. People need water to drink. They also need it for washing. Throughout history, people have settled near fresh water. Living near a water source helps ensure that people have the water they need. There was an added bonus, too. Water could be used as a travel route for people and goods. Many Americans live near popular water sources, such as the Mississippi River, the Colorado River and the Great Lakes.Mountains and deserts have been settled by fewer people than the plains areas. However, they have valuable resources of their own.</string>
    <string name="geographyTextFr">L\'étude des reliefs de la Terre est appelée géographie physique. Les reliefs peuvent être des montagnes et des vallées. Il peut aussi s\'agira de glaciers, delacs ou de rivières. Les reliefs sont parfois appelés caractéristiques physiques. Il est important que les élèves connaissent la géographie physique de laTerre. Les saisons, l\'atmosphère et tous les processus naturels de la Terre affectent l\'endroit où les gens sont capables de vivre. La géographie est l\'un desfacteurs que les gens utilisent pour décider où ils veulent vivre. Les caractéristiques physiques d\'une région sont souvent riches en ressources. Àl\'intérieur d\'une nation, les chaînes de montagnes deviennent des frontières naturelles pour les zones de peuplement. Aux États-Unis, les principaleschaînes de montagnes sont la Sierra Nevada, les montagnes Rocheuses et les Appalaches.Les sources d\'eau douce influencent également l\'endroit où lesgens s\'installent. Les gens ont besoin d\'eau pour boire. Ils en ont aussi besoin pour se laver. Tout au long de l\'histoire, les gens se sont installés près del\'eau douce. Vivre près d\'une source d\'eau permet de s\'assurer que les gens ont l\'eau dont ils ont besoin. Il y avait un bonus supplémentaire, aussi. L\'eaupourrait être utilisée comme voie de voyage pour les personnes et les marchandises. Beaucoup d\'Américains vivent près des sources d\'eau populaires,telles que le fleuve Mississippi, le fleuve Colorado et les Grands Lacs.Mountains et les déserts ont été installés par moins de gens que les zones desplaines. Cependant, ils disposent de ressources précieuses.Les gens ont une réponse.</string>
    <string name="immersiveReaderButtonText">Immersive Reader</string>
</resources>

res/layout/activity_기본.xml 콘텐츠를 앱에서 사용할 다음 XML로 바꿉니다. 이 XML은 앱의 UI 레이아웃입니다. activity_기본.xml 파일에 코드가 표시되지 않으면 캔버스를 마우스 오른쪽 단추로 클릭하고 XML로 이동을 선택합니다.

Screenshot of the app activity mail xml file.

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
<!-- Licensed under the MIT License. -->

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FFFFFF"
    tools:context=".MainActivity">

    <LinearLayout
        android:id="@+id/linearLayout"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:background="#FFFFFF"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0">

        <TextView
            android:id="@+id/Title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="48dp"
            android:layout_marginTop="24dp"
            android:layout_marginRight="48dp"
            android:layout_marginBottom="24dp"
            android:text="@string/geographyTitle"
            android:textSize="24sp"
            android:textStyle="bold" />

        <ScrollView
            android:id="@+id/ContentPane"
            android:layout_width="match_parent"
            android:layout_height="480dp"
            android:layout_marginBottom="48dp"
            android:clipToPadding="false"
            android:fillViewport="false"
            android:paddingLeft="48dp"
            android:paddingRight="48dp"
            android:scrollbarStyle="outsideInset"
            android:visibility="visible"
            tools:visibility="visible">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <TextView
                android:id="@+id/Content1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="#00FFFFFF"
                android:text="@string/geographyTextEn"
                android:textSize="18sp" />

            <TextView
                android:id="@+id/Content2"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="#00FFFFFF"
                android:text="@string/geographyTextFr"
                android:textSize="18sp" />

            </LinearLayout>

        </ScrollView>

        <Button
            android:id="@+id/LaunchImmersiveReaderButton"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:layout_marginLeft="40dp"
            android:layout_marginRight="40dp"
            android:layout_marginBottom="80dp"
            android:text="@string/immersiveReaderButtonText"
            android:textAllCaps="false"
            android:textSize="24sp"
            android:visibility="visible"
            tools:visibility="visible" />

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

웹 보기 레이아웃 추가

res/layout/폴더에서 새 레이아웃 리소스 파일을 만들고 이름을 지정합니다activity_immersive_reader. 그런 다음, 해당 콘텐츠를 다음 XML로 바꿉니다. 이 XML은 이후 단계에서 IRActivity Java 코드에서 사용할 WebView 구성 요소를 추가합니다. 지금은 정의되지 않았으며 오류가 발생합니다.

Screenshot of the new layout resource file.

Screenshot of the new resource file name input field.

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
<!-- Licensed under the MIT License. -->

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FFFFFF"
    tools:context=".IRActivity">

    <WebView
        android:id="@+id/webView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

앱 Java 코드 설정

java/com.example.quickstartjava/ 폴더에는 기존 MainActivity.java Java 클래스 파일이 있습니다. 이 폴더는 앱 논리가 작성되는 위치입니다.

Screenshot of the MainActivity file.

MainActivity.java 내용을 다음 코드로 바꿉니다. 코드에서 참조되는 몇 가지 클래스는 아직 존재하지 않으며 나중에 만들어집니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Creates a new activity, finds its content and the Immersive Reader button.
 * When clicked, the app sends the content to the Immersive Reader SDK and
 * launches the Immersive Reader.
 */
public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final TextView irTitle = findViewById(R.id.Title);
        final TextView irText1 = findViewById(R.id.Content1);
        final TextView irText2 = findViewById(R.id.Content2);

        final Button immersiveReaderButton = findViewById(R.id.LaunchImmersiveReaderButton);
        immersiveReaderButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                List<ReadableTextChunk> readableTextChunks = new ArrayList<>();
                readableTextChunks.add(new ReadableTextChunk(irText1.getText().toString(), "en"));
                readableTextChunks.add(new ReadableTextChunk(irText2.getText().toString(), "fr"));
                ReadableContent readableContent = new ReadableContent(irTitle.getText().toString(), readableTextChunks);

                ImmersiveReader immersiveReader = new ImmersiveReader(MainActivity.this, new IRAuthenticator());
                immersiveReader.read(readableContent);
            }
        });
    }
}

java/com.example.quickstartjava/ 폴더에 16개 이상의 Java 클래스 파일을 만듭니다. 이러한 각 클래스는 앱에서 몰입형 리더 SDK를 통합하는 데 사용됩니다. 새 파일마다 코드에서 참조되는 몇 가지 클래스가 있는데, 이 클래스는 아직 존재하지 않으며 나중에 만들어질 것입니다. 모든 클래스를 만든 후에는 null 참조 오류가 없어야 합니다.

ImmersiveReader.java Java 클래스 파일을 만들려면 java/com.example.quickstartjava/ 폴더를 마우스 오른쪽 단추로 클릭하고 새로 만들기를 선택한 다음 Java 클래스를 선택합니다. ImmersiveReader를 입력 합니다.

이 동일한 메서드를 사용하여 새로 만드는 각 Java 클래스 파일에 대한 Java 클래스 파일을 만듭니다.

Screenshot of the ImmersiveReader file.

ImmersiveReader.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.app.Activity;
import android.content.Intent;
import androidx.annotation.Keep;

import java.lang.ref.WeakReference;

/**
 * This is the client facing class for invoking the new Immersive Reader functionality.
 * Usage:
 * ImmersiveReader immersiveReader = new ImmersiveReader(Activity, IRAuthenticator);
 * immersiveReader.read(ReadableTextChunk);
 */

@Keep
public class ImmersiveReader {

    WeakReference<Activity> mActivityWR;

    /**
     * Interface to accept access token from client app.
     * Note that it is client's responsibility to give a valid Access Token whenever getAccessToken() is requested.
     * In favor of latency perf, there would be no further validation by Immersive Reader module except to ensure that the provided access token is non-empty string
     */
    @Keep
    public interface IAuthenticator {
        String getAccessToken();
    }

    public ImmersiveReader(Activity activity, IAuthenticator authenticator) {
        mActivityWR = new WeakReference<>(activity);
        IRDataHolder.getInstance().setAuthenticator(authenticator);
    }

    public ImmersiveReader(Activity activity) {
        this(activity, null);
    }

    /**
     * Launches a new activity to speak the content as described by ReadableContent object.
     *
     * @param dataToRead - Content to be read
     * @return IRError - IRError, with following error codes:
     * a) Error.NONE in case of successful launch of Immersive Reader
     * b) Error.INVALID_ACCESS_TOKEN in case of empty access token
     * c) Error.INVALID_STATE in case of empty activity
     * d) Error.INVALID_CONTENT in case of empty list of text chunks
     */

    public IRError read(ReadableContent dataToRead) {

        Activity activity = mActivityWR.get();
        if (activity == null) {
            return new IRError(Error.INVALID_STATE, "Client activity is null");
        }

        if (dataToRead == null || dataToRead.getTextChunks().size() == 0) {
            return new IRError(Error.INVALID_CONTENT, "Readable Text Chunks not passed to Immersive Reader");
        }

        IRDataHolder.getInstance().setContentToRead(dataToRead);
        Intent intent = new Intent(mActivityWR.get(), IRActivity.class);
        activity.startActivity(intent);

        return new IRError(Error.NONE, "Immersive Reader launched");
    }

}

IRActivity.java Java 클래스 파일을 만듭니다.

Screenshot of the IRActivitt file.

IRActivity.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.app.Activity;
import android.content.Intent;
import androidx.annotation.Keep;

import java.lang.ref.WeakReference;

/**
 * This is the client facing class for invoking the new Immersive Reader functionality.
 * Usage:
 * ImmersiveReader immersiveReader = new ImmersiveReader(Activity, IRAuthenticator);
 * immersiveReader.read(ReadableTextChunk);
 */

@Keep
public class ImmersiveReader {

    WeakReference<Activity> mActivityWR;

    /**
     * Interface to accept access token from client app.
     * Note that it is the client's responsibility to give a valid Access Token whenever getAccessToken() is requested.
     * In favor of latency perf, there would be no further validation by Immersive Reader module except to ensure that the provided access token is non-empty string.
     */
    @Keep
    public interface IAuthenticator {
        String getAccessToken();
    }

    public ImmersiveReader(Activity activity, IAuthenticator authenticator) {
        mActivityWR = new WeakReference<>(activity);
        IRDataHolder.getInstance().setAuthenticator(authenticator);
    }

    public ImmersiveReader(Activity activity) {
        this(activity, null);
    }

    /**
     * Launches a new activity to speak the content as described by ReadableContent object.
     *
     * @param dataToRead - Content to be read
     * @return IRError - IRError, with following error codes:
     * a) Error.NONE in case of successful launch of Immersive Reader
     * b) Error.INVALID_ACCESS_TOKEN in case of empty access token.
     * c) Error.INVALID_STATE in case of empty activity
     * d) Error.INVALID_CONTENT in case of empty list of text chunks
     */

    public IRError read(ReadableContent dataToRead) {

        Activity activity = mActivityWR.get();
        if (activity == null) {
            return new IRError(Error.INVALID_STATE, "Client activity is null");
        }

        if (dataToRead == null || dataToRead.getTextChunks().size() == 0) {
            return new IRError(Error.INVALID_CONTENT, "Readable Text Chunks not passed to Immersive Reader");
        }

        IRDataHolder.getInstance().setContentToRead(dataToRead);
        Intent intent = new Intent(mActivityWR.get(), IRActivity.class);
        activity.startActivity(intent);

        return new IRError(Error.NONE, "Immersive Reader launched");
    }

}

IRError.java Java 클래스 파일을 만듭니다.

Screenshot of the IRError file.

IRError.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.Keep;

/**
 * Shared error handling of the app.
 */

@Keep
public class IRError implements Parcelable {

    private int errorId;
    private String errorMessage = "";

    public String getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public int getErrorId() {
        return errorId;
    }

    public void setErrorId(int errorId) {
        this.errorId = errorId;
    }

    public IRError(int errorId, String errorMessage) {
        this.errorId = errorId;
        this.errorMessage = errorMessage;
    }

    // parcelable
    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel out, int flags) {
        out.writeInt(this.errorId);
        out.writeString(this.errorMessage);
    }

    public static final Creator<IRError> CREATOR
            = new Creator<IRError>() {
        public IRError createFromParcel(Parcel in) {
            return new IRError(in);
        }

        public IRError[] newArray(int size) {
            return new IRError[size];
        }
    };

    private IRError(Parcel in) {
        this.errorId = in.readInt();
        this.errorMessage = in.readString();
    }
}

Error.java Java 클래스 파일을 만듭니다.

Screenshot of the Error Java class file.

Error.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;

/**
 * Adds some default error status codes.
 */

@Keep
public class Error {

    public static final int NONE = 1000;
    public static final int INVALID_ACCESS_TOKEN = 8001;
    public static final int INVALID_STATE = 8002;
    public static final int INVALID_CONTENT = 8003;

}

ReadableContent.java Java 클래스 파일을 만듭니다.

Screenshot of ReadableContent Java class file.

ReadableContent.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;

import java.util.List;

/**
 * Content data to be sent to the Immersive Reader SDK
 */

@Keep
public class ReadableContent {

    private String mTitle;
    private List<ReadableTextChunk> mTextChunks;

    public ReadableContent(String title, List<ReadableTextChunk> textChunks) {
        this.mTitle = title;
        this.mTextChunks = textChunks;
    }

    public String getTitle() {
        return mTitle;
    }

    public List<ReadableTextChunk> getTextChunks() {
        return mTextChunks;
    }

}

ReadableTextChunk.java Java 클래스 파일을 만듭니다.

Screenshot of ReadableTextChunk Java class file.

ReadableTextChunk.java 콘텐츠를 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

import androidx.annotation.Keep;

/**
 * Content sent to the Immersive Reader SDK may be separated into chunks so that there may be
 * different types of content sent in the same document. This includes content of different
 * languages, math content, et cetera.
 */

@Keep
public class ReadableTextChunk {
    public String mText;
    public String mLocale;

    public ReadableTextChunk(String text, String locale) {
        this.mText = text;
        this.mLocale = locale;
    }
}

IRDataHolder.java Java 클래스 파일을 만듭니다.

Screenshot of IRDataHolder Java class file.

IRDataHolder.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;

/**
 * A thin singleton class that is used to hold the Client's IAuthenticator's implementation and the Content to be read.
 * This is required for two reasons:
 * 1) As per Android guidelines, data being passed via intent should be limited to a few KBs. Alternative is to use Singleton holder classes like this one.
 * 2) We need a way to make callbacks survive app configuration changes and killed in background scenarios.
 */

@Keep
public class IRDataHolder {

    private static IRDataHolder mInstance = null;
    private ReadableContent mActiveContent = null;
    private ImmersiveReader.IAuthenticator mAuthenticator = null;

    public static IRDataHolder getInstance() {

        if (mInstance == null) {
            synchronized (IRDataHolder.class) {
                if (mInstance == null) {
                    mInstance = new IRDataHolder();
                }
            }
        }
        return mInstance;
    }

    public void setContentToRead(ReadableContent content) {
        mActiveContent = content;
    }

    public ReadableContent getContentToRead() {
        return mActiveContent;
    }

    public ImmersiveReader.IAuthenticator getAuthenticator() {
        return mAuthenticator;
    }

    public void setAuthenticator(ImmersiveReader.IAuthenticator accessTokenProvider) {
        this.mAuthenticator = accessTokenProvider;
    }

    public void clearContent() {
        mActiveContent = null;
    }

}

IRAuthenticator.java Java 클래스 파일을 만듭니다.

Screenshot of IRAuthenticator Java class file.

IRAuthenticator.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.text.TextUtils;
import android.util.Log;

import org.json.JSONException;
import org.json.JSONObject;

import io.github.cdimascio.dotenv.Dotenv;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import static java.net.HttpURLConnection.HTTP_OK;

// This sample app uses the Dotenv. It's a module that loads environment variables from a .env file to better manage secrets.
// https://github.com/cdimascio/java-dotenv
// Be sure to add a "env" file to the /assets folder.
// Instead of '.env', use 'env'.

public class IRAuthenticator implements ImmersiveReader.IAuthenticator {
    private static final String LOG_TAG = "IRAuthenticator";
    Dotenv dotEnv = Dotenv.configure()
            .directory("/assets")
            .filename("env")
            .ignoreIfMalformed()
            .ignoreIfMissing()
            .load();

    @Override
    public String getAccessToken() {
        String clientId = dotEnv.get("CLIENT_ID");
        String clientSecret = dotEnv.get("CLIENT_SECRET");
        String tenantId = dotEnv.get("TENANT_ID");
        String accessToken = null;

        try {
            StringBuilder urlStringBuilder = new StringBuilder();
            urlStringBuilder.append("https://login.windows.net/");
            urlStringBuilder.append(tenantId);
            urlStringBuilder.append("/oauth2/token");
            URL tokenUrl = new URL(urlStringBuilder.toString());

            StringBuilder formStringBuilder = new StringBuilder();
            formStringBuilder.append("grant_type=client_credentials&resource=https://cognitiveservices.azure.com/&client_id=");
            formStringBuilder.append(clientId);
            formStringBuilder.append("&client_secret=");
            formStringBuilder.append(clientSecret);
            String form = formStringBuilder.toString();

            HttpURLConnection httpURLConnection = (HttpURLConnection) tokenUrl.openConnection();
            httpURLConnection.setRequestMethod("POST");
            httpURLConnection.setRequestProperty("content-type", "application/x-www-form-urlencoded");
            httpURLConnection.setDoOutput(true);

            DataOutputStream dataOutputStream = new DataOutputStream(httpURLConnection.getOutputStream());
            dataOutputStream.writeBytes(form);
            dataOutputStream.flush();
            dataOutputStream.close();

            int responseCode = httpURLConnection.getResponseCode();

            if (responseCode == HTTP_OK) {
                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream()));
                StringBuffer response = new StringBuffer();

                String line = bufferedReader.readLine();
                while (!TextUtils.isEmpty(line)) {
                    response.append(line);
                    line = bufferedReader.readLine();
                }

                bufferedReader.close();

                JSONObject accessTokenJson = new JSONObject(response.toString());
                accessToken = accessTokenJson.getString("access_token");
            }

        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (JSONException e) {
            e.printStackTrace();
        }

        //  accessToken = Constants.ACCESS_TOKEN;
        Log.i(LOG_TAG, "Accesstoken: " + accessToken);
        return accessToken;
    }
}

IR시작 관리자.java Java 클래스 파일을 만듭니다.

Screenshot of IRLauncher Java class file.

IRLauncher.java 콘텐츠를 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.content.Context;
import android.os.Build;
import android.text.TextUtils;
import android.view.View;
import android.webkit.CookieManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.concurrent.Callable;

import io.github.cdimascio.dotenv.Dotenv;

/**
 * Responsible for setting up the web view with appropriate bridging between JavaScript and Java to launch the Immersive Reader url for reading the content.
 */

public class IRLauncher {
    Dotenv dotEnv = Dotenv.configure()
            .directory("/assets")
            .filename("env")
            .ignoreIfMalformed()
            .ignoreIfMissing()
            .load();

    private WebView mWebView;
    private Context mContext;
    public final String SUBDOMAIN = dotEnv.get("SUBDOMAIN");

    interface IRLaunchListener {

        // Invoked in case of successful launch of Immersive Reader Activity. Note that content reading can still fail due to multiple reasons including expired access token.
        void onSuccess();

        // Invoked in case of empty access token or empty content request to be read
        void onFailure(IRError error);

        // Invoked when Immersive Reader is exiting (e.g.) user pressed back in the Immersive Reader experience
        void onExit();
    }

    public IRLauncher(Context context, WebView webView) {
        this.mContext = context;
        this.mWebView = webView;
    }

    public void launch(final IRLaunchListener launchListener) {

        AuthenticationTask authenticationTask = new AuthenticationTask();
        AuthenticationTask.TaskParams params = authenticationTask.new TaskParams(IRDataHolder.getInstance().getAuthenticator(), new AuthenticationTask.ITaskListener() {
            @Override
            public void onAccessTokenObtained(String accessToken) {

                // Basic validation for access token
                if (TextUtils.isEmpty(accessToken)) {
                    launchListener.onFailure(new IRError(Error.INVALID_ACCESS_TOKEN, "Access token is empty"));
                }

                // Create list of chunks from data that was passed originally by the client and stored in the data holder
                List<Chunk> chunkList = new ArrayList<>();
                for (ReadableTextChunk textChunk : IRDataHolder.getInstance().getContentToRead().getTextChunks()) {
                    chunkList.add(new Chunk(textChunk.mText, textChunk.mLocale, "text/plain"));
                }
                Content content = new Content(IRDataHolder.getInstance().getContentToRead().getTitle(), chunkList);
                Options options = new Options(new Callable<Void>() {
                    public Void call() {
                        launchListener.onExit();
                        return null;
                    }
                }, "en", 0);

                // Prepare the webview
                prepareWebView(accessToken, content, options, launchListener);
                mWebView.loadUrl("file:///android_asset/immersiveReader.html");
                launchListener.onSuccess();
            }
        });

        authenticationTask.setParams(params);
        authenticationTask.execute();
    }

    private void prepareWebView(String accessToken, Content content, Options options, final IRLaunchListener launchListener) {
        mWebView.getSettings().setAllowContentAccess(true);
        mWebView.getSettings().setJavaScriptEnabled(true);
        mWebView.getSettings().setLoadsImagesAutomatically(true);
        mWebView.getSettings().setLoadWithOverviewMode(true);
        mWebView.getSettings().setUseWideViewPort(true);
        mWebView.getSettings().setUserAgentString("Android");
        mWebView.getSettings().setDomStorageEnabled(true);
        mWebView.getSettings().setAppCacheEnabled(false);
        mWebView.getSettings().setSupportZoom(true);
        mWebView.setInitialScale(1);

        // Enable web view cookies
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            CookieManager.getInstance().setAcceptThirdPartyCookies(mWebView, true);
        } else {
            CookieManager.getInstance().setAcceptCookie(true);
        }

        final Date startPostMessageSentDurationInMs = new Date();

        // Create the Message
        final Message messageData = new Message(accessToken, SUBDOMAIN, content, 0, options);

        // Set WebView Client
        mWebView.setWebViewClient(new WebViewClient() {

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                mWebView.loadUrl(url);
                return true;
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                Date endPostMessageSentDurationInMs = new Date();
                long postMessageSentDurationInMs = endPostMessageSentDurationInMs.getTime() - startPostMessageSentDurationInMs.getTime();

                // Updates launchToPostMessageSentDurationInMs
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                    messageData.launchToPostMessageSentDurationInMs = Math.toIntExact(postMessageSentDurationInMs);
                } else {
                    messageData.launchToPostMessageSentDurationInMs = 0;
                }

                GsonBuilder gsonBuilder = new GsonBuilder();
                Gson gson = gsonBuilder.create();
                String messageJson = gson.toJson(messageData);

                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
                    StringBuilder scriptStringBuilder = new StringBuilder().append("handleLaunchImmersiveReader(").append(messageJson).append(")");
                    view.evaluateJavascript(scriptStringBuilder.toString(), null);
                } else {
                    StringBuilder urlStringBuilder = new StringBuilder().append("javascript:handleLaunchImmersiveReader(").append(messageJson).append(")");
                    view.loadUrl(urlStringBuilder.toString());
                }
                mWebView.setVisibility(View.VISIBLE);
            }
        });

        // Prepare and set the WebAppInterface to hear back from the JavaScript
        WebAppInterface jsInterface = new WebAppInterface(new WebAppInterface.WebAppListener() {
            @Override
            public void onShowToast(String toast) {
                Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onImmersiveReaderExit() {
                IRDataHolder.getInstance().clearContent();
                mWebView.post(new Runnable() {
                    @Override
                    public void run() {
                        mWebView.clearHistory();
                        mWebView.clearCache(true);
                        mWebView.loadUrl("about:blank");
                        mWebView.onPause();
                        mWebView.removeAllViews();
                        mWebView.pauseTimers();
                        mWebView.destroy();
                    }
                });
                launchListener.onExit();
            }
        });

        mWebView.addJavascriptInterface(jsInterface, "Android");
    }
}

IRStore.java Java 클래스 파일을 만듭니다.

Screenshot of IRStore Java class file.

IRStore.java 콘텐츠를 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;

@Keep
public final class IRStore {
    @Keep
    public final static class Output {
        public final static String ERROR = "Error";
    }
}

AuthenticationTask.java Java 클래스 파일을 만듭니다.

Screenshot of AuthenticationTask Java class file.

AuthenticationTask.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import android.os.AsyncTask;

/**
 * Async task to request the client for the access token in background thread.
 */

public class AuthenticationTask extends AsyncTask<Void, Void, String> {

    private TaskParams mParams;

    public interface ITaskListener {
        void onAccessTokenObtained(String accessToken);
    }

    public class TaskParams {
        ImmersiveReader.IAuthenticator mAccessTokenProvider;
        ITaskListener mTaskListener;

        public TaskParams(ImmersiveReader.IAuthenticator accessTokenProvider, ITaskListener taskListener) {
            this.mAccessTokenProvider = accessTokenProvider;
            this.mTaskListener = taskListener;
        }
    }

    public void setParams(TaskParams mParams) {
        this.mParams = mParams;
    }

    @Override
    protected String doInBackground(Void... voids) {
        return mParams.mAccessTokenProvider.getAccessToken();
    }

    @Override
    protected void onPostExecute(String accessToken) {
        super.onPostExecute(accessToken);
        if (mParams.mTaskListener != null) {
            mParams.mTaskListener.onAccessTokenObtained(accessToken);
        }
    }
}

Chunk.java Java 클래스 파일을 만듭니다.

Screenshot of Chunk Java class file.

Chunk.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;

/**
 * The chunk object that will be sent to the Immersive Reader SDK.
 * The content is a string of text, the lang is a string, e.g. 'll-cc',
 * and the mimeType is also a string, e.g. 'text/plain'.
 */

@Keep
public class Chunk {

    public String content;
    public String lang;
    public String mimeType;

    public Chunk(String content, String lang, String mimeType) {
        this.content = content;
        this.lang = lang;
        this.mimeType = mimeType;
    }
}

Content.java Java 클래스 파일을 만듭니다.

Screenshot of Content Java class file.

Content.java 콘텐츠를 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;
import java.util.List;

/**
 * The content object that will be sent to the Immersive Reader SDK.
 * This object contains the title and a list of Chunk objects.
 */

@Keep
public class Content {

    public String title;
    public List<Chunk> chunks;

    public Content(String title, List<Chunk> chunks) {
        this.title = title;
        this.chunks = chunks;
    }

}

Options.java Java 클래스 파일을 만듭니다.

Screenshot of Options Java class file.

Options.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

import java.util.concurrent.Callable;
import androidx.annotation.Keep;

/**
 * The options object that will be sent to the Immersive Reader SDK.
 */

@Keep
public class Options {

    public Callable<Void> onExit;
    public String uiLang;
    public Integer timeout;

    public Options(Callable<Void> exitCallback, String uiLang, Integer timeout) {
        this.onExit = exitCallback;
        this.uiLang = uiLang;
        this.timeout = timeout;
    }
}

Message.java Java 클래스 파일을 만듭니다.

Screenshot of Message Java class file.

Message.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

import androidx.annotation.Keep;

/**
 * The message object that will be sent to the Immersive Reader SDK.
 * This object contains the access token, sub domain, Content, and Options.
 */

@Keep
public class Message {

    public String cogSvcsAccessToken;
    public String cogSvcsSubdomain;
    public Content request;
    public Integer launchToPostMessageSentDurationInMs;
    public Options options;

    public Message(String cogSvcsAccessToken, String cogSvcsSubdomain, Content request, Integer launchToPostMessageSentDurationInMs, Options options) {
        this.cogSvcsAccessToken = cogSvcsAccessToken;
        this.cogSvcsSubdomain = cogSvcsSubdomain;
        this.request = request;
        this.launchToPostMessageSentDurationInMs = launchToPostMessageSentDurationInMs;
        this.options = options;
    }
}

WebAppInterface.java Java 클래스 파일을 만듭니다.

Screenshot of WebAppInterface Java class file.

WebAppInterface.java 내용을 다음 코드로 바꿉니다.

/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

package com.example.quickstartjava;

import androidx.annotation.Keep;
import android.webkit.JavascriptInterface;

/**
 * JavaScript interface implementation passed to the WebView to enable talking between JavaScript and Java.
 */

@Keep
public class WebAppInterface {

    public static WebAppListener mListener;

    interface WebAppListener {
        void onShowToast(String toast);

        void onImmersiveReaderExit();
    }

    public WebAppInterface(WebAppListener listener) {
        this.mListener = listener;
    }

    @JavascriptInterface
    public void showToast(String toast) {
        mListener.onShowToast(toast);
    }

    @JavascriptInterface
    public void immersiveReaderExit() {
        mListener.onImmersiveReaderExit();
    }

}

웹 보기에 앱 HTML 추가

웹 보기 구현이 작동하려면 HTML이 필요합니다. 마우스 오른쪽 단추로 /assets 폴더를 클릭하고, 새 파일을 만들고, 이름을 immersiveReader.html로 지정합니다.

Screenshot of the new html file name.

Screenshot of the new html asset location.

다음 HTML 및 JavaScript를 추가합니다. 이 코드는 몰입형 리더 SDK를 앱에 추가하고 이를 사용하여 작성한 앱 코드를 사용하여 몰입형 리더 엽니다.

<!-- Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the MIT License. -->

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <script type="text/javascript" src="https://ircdname.azureedge.net/immersivereadersdk/immersive-reader-sdk.1.4.0.js"></script>
</head>
<body>
    <script type="text/javascript">
        function handleLaunchImmersiveReader(message) {
            if (!message) {
                Android.showToast('Message is null or undefined!');
            } else {
                // Learn more about chunk usage and supported MIME types https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#chunk
                var data = {
                    title: message.request.title,
                    chunks: []
                };

                for (var chunkIndex = 0; chunkIndex < message.request.chunks.length; chunkIndex++) {
                    data.chunks.push({
                        content: message.request.chunks[chunkIndex].content,
                        lang: message.request.chunks[chunkIndex].lang,
                        mimeType: message.request.chunks[chunkIndex].mimeType
                    });
                }

                // Learn more about options https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#options
                var options = {
                    onExit: exitCallback,
                    uiZIndex: 2000
                };

                // Use the JavaScript SDK to launch the Immersive Reader.
                ImmersiveReader.launchAsync(message.cogSvcsAccessToken, message.cogSvcsSubdomain, data, options);

                // A simple declarative function used to close the Immersive Reader WebView via @JavaScriptInterface
                function exitCallback() {
                    Android.immersiveReaderExit();
                }
            }
        }
    </script>
</body>
</html>

앱 권한 설정

애플리케이션이 작동하려면 몰입형 리더 SDK에 대한 네트워크를 호출해야 하므로 네트워크 액세스를 허용하도록 앱 권한이 구성되어야 합니다. /manifests/AndroidManifest.xml 내용을 다음 XML로 바꿉니다.

Screenshot of the AndroidManifest XML file.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.quickstartjava">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name=".IRActivity"
            android:multiprocess="true" />
    </application>

</manifest>

앱 실행

Android Studio를 사용하여 디바이스 에뮬레이터에서 앱을 실행합니다. 몰입형 리더를 선택하면 몰입형 리더가 앱의 콘텐츠와 함께 열립니다.

Screenshot of the Immersive Reader app running in the emulator.

다음 단계

이 빠른 시작에서는 Android 앱을 처음부터 빌드하고 몰입형 리더 통합합니다. 이 빠른 시작의 전체 작업 샘플은 GitHub에서 사용할 수 있습니다.

필수 구성 요소

Android 프로젝트 만들기

Android Studio에서 새 프로젝트를 시작합니다.

Screenshot of the Start new project option in Android Studio.

템플릿 창에서 빈 보기 작업을 선택한 다음, 다음을 선택합니다.

Screenshot of the Templates window in Android Studio.

프로젝트 구성

프로젝트 이름을 QuickstartKotlin으로 지정하고 저장할 위치를 선택합니다. 프로그래밍 언어로 Kotlin을 선택한 다음 마침을 선택합니다.

Screenshot of the Configure project window in Android Studio.

자산 및 인증 설정

자산 폴더를 만들려면 앱을 마우스 오른쪽 단추로 클릭하고 드롭다운에서 폴더 ->자산 폴더를 선택합니다.

Screenshot of the Assets folder option.

자산을 마우스 오른쪽 단추로 클릭하고 새로 만들기 ->File을 선택합니다. 파일 이름을 env로 지정합니다.

Screenshot of name input field to create the env file.

다음 이름과 값을 추가하고 적절한 값을 제공합니다. 이 env 파일에는 공개되어서는 안 되는 비밀이 있으므로 소스 제어로 커밋하지 마세요.

TENANT_ID=<YOUR_TENANT_ID>
CLIENT_ID=<YOUR_CLIENT_ID>
CLIENT_SECRET=<YOUR_CLIENT_SECRET>
SUBDOMAIN=<YOUR_SUBDOMAIN>

Screenshot of Environment variables in Android Studio.

Important

비밀을 공개적으로 게시하지 마세요. 프로덕션의 경우 Azure Key Vault와 같은 자격 증명을 안전하게 저장하고 액세스하는 방법을 사용합니다.

종속성 추가

coroutines(비동기 프로그래밍), gson(JSON 구문 분석 및 직렬화) 및 dotenv에서 env 파일에 정의된 변수를 참조할 수 있도록 build.gradle 파일의 기존 종속성을 다음 구현으로 바꿉니다. 이 빠른 시작의 이후 단계에서 MainActivity.kt를 구현할 때 프로젝트를 다시 동기화해야 할 수 있습니다.

Screenshot of app gradle dependencies.

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'androidx.core:core-ktx:1.0.2'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.1.1"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.1.1"
    implementation 'com.google.code.gson:gson:2.8.6'
    implementation 'io.github.cdimascio:java-dotenv:5.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

앱 문자열 및 레이아웃 리소스 업데이트

res/values/strings.xml 콘텐츠를 앱에서 사용할 다음 문자열로 바꿉니다.

Screenshot of the app strings xml file.

<resources>

    <!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
    <!-- Licensed under the MIT License. -->

    <string name="app_name">ImmersiveReaderSDK</string>
    <string name="geographyTitle">Geography</string>
    <string name="geographyTextEn">The study of Earth's landforms is called physical geography. Landforms can be mountains and valleys. They can also be glaciers, lakes or rivers. Landforms are sometimes called physical features. It is important for students to know about the physical geography of Earth. The seasons, the atmosphere and all the natural processes of Earth affect where people are able to live. Geography is one of a combination of factors that people use to decide where they want to live.The physical features of a region are often rich in resources. Within a nation, mountain ranges become natural borders for settlement areas. In the U.S., major mountain ranges are the Sierra Nevada, the Rocky Mountains, and the Appalachians. Fresh water sources also influence where people settle. People need water to drink. They also need it for washing. Throughout history, people have settled near fresh water. Living near a water source helps ensure that people have the water they need. There was an added bonus, too. Water could be used as a travel route for people and goods. Many Americans live near popular water sources, such as the Mississippi River, the Colorado River and the Great Lakes.Mountains and deserts have been settled by fewer people than the plains areas. However, they have valuable resources of their own.</string>
    <string name="geographyTextFr">L\'étude des reliefs de la Terre est appelée géographie physique. Les reliefs peuvent être des montagnes et des vallées. Il peut aussi s\'agira de glaciers, delacs ou de rivières. Les reliefs sont parfois appelés caractéristiques physiques. Il est important que les élèves connaissent la géographie physique de laTerre. Les saisons, l\'atmosphère et tous les processus naturels de la Terre affectent l\'endroit où les gens sont capables de vivre. La géographie est l\'un desfacteurs que les gens utilisent pour décider où ils veulent vivre. Les caractéristiques physiques d\'une région sont souvent riches en ressources. Àl\'intérieur d\'une nation, les chaînes de montagnes deviennent des frontières naturelles pour les zones de peuplement. Aux États-Unis, les principaleschaînes de montagnes sont la Sierra Nevada, les montagnes Rocheuses et les Appalaches.Les sources d\'eau douce influencent également l\'endroit où lesgens s\'installent. Les gens ont besoin d\'eau pour boire. Ils en ont aussi besoin pour se laver. Tout au long de l\'histoire, les gens se sont installés près del\'eau douce. Vivre près d\'une source d\'eau permet de s\'assurer que les gens ont l\'eau dont ils ont besoin. Il y avait un bonus supplémentaire, aussi. L\'eaupourrait être utilisée comme voie de voyage pour les personnes et les marchandises. Beaucoup d\'Américains vivent près des sources d\'eau populaires,telles que le fleuve Mississippi, le fleuve Colorado et les Grands Lacs.Mountains et les déserts ont été installés par moins de gens que les zones desplaines. Cependant, ils disposent de ressources précieuses.Les gens ont une réponse.</string>
    <string name="immersiveReaderButtonText">Immersive Reader</string>
</resources>

res/layout/activity_기본.xml 콘텐츠를 앱에서 사용할 다음 XML로 바꿉니다. 이 XML은 앱의 UI 레이아웃입니다. activity_기본.xml 파일에 코드가 표시되지 않으면 캔버스를 마우스 오른쪽 단추로 클릭하고 XML로 이동을 선택합니다.

Screenshot of the app activity mail xml file.

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
<!-- Licensed under the MIT License. -->

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FFFFFF"
    tools:context=".MainActivity">

    <LinearLayout
        android:id="@+id/linearLayout"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:background="#FFFFFF"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0">

        <TextView
            android:id="@+id/Title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="48dp"
            android:layout_marginTop="24dp"
            android:layout_marginRight="48dp"
            android:layout_marginBottom="24dp"
            android:text="@string/geographyTitle"
            android:textSize="24sp"
            android:textStyle="bold" />

        <ScrollView
            android:id="@+id/ContentPane"
            android:layout_width="match_parent"
            android:layout_height="480dp"
            android:layout_marginBottom="48dp"
            android:clipToPadding="false"
            android:fillViewport="false"
            android:paddingLeft="48dp"
            android:paddingRight="48dp"
            android:scrollbarStyle="outsideInset"
            android:visibility="visible"
            tools:visibility="visible">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical">

                <TextView
                    android:id="@+id/Content1"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="#00FFFFFF"
                    android:text="@string/geographyTextEn"
                    android:textSize="18sp" />

                <TextView
                    android:id="@+id/Content2"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="#00FFFFFF"
                    android:text="@string/geographyTextFr"
                    android:textSize="18sp" />

            </LinearLayout>

        </ScrollView>

        <Button
            android:id="@+id/LaunchImmersiveReaderButton"
            android:layout_width="match_parent"
            android:layout_height="60dp"
            android:layout_marginLeft="40dp"
            android:layout_marginRight="40dp"
            android:layout_marginBottom="80dp"
            android:text="@string/immersiveReaderButtonText"
            android:textAllCaps="false"
            android:textSize="24sp"
            android:visibility="visible"
            tools:visibility="visible" />

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

앱 Kotlin 코드 JavaScript 인터페이스 설정

kotlin+java/com.example.quickstartkotlin/ 폴더에서 새 Kotlin 클래스를 만들고 이름을 지정합니다WebAppInterface. 그런 다음, 다음 코드를 추가합니다. 이 코드를 사용하면 앱이 이후 단계에서 추가될 HTML의 JavaScript 함수와 인터페이스할 수 있습니다.

Screenshot of the quickstartkotlin folder.

Screenshot of the WebAppInterface Kotlin class.

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

package com.example.quickstartkotlin

import android.content.Context
import android.webkit.JavascriptInterface
import android.webkit.WebView
import android.widget.LinearLayout
import android.widget.Toast

class WebAppInterface(private val mContext: Context, var parentLayout: LinearLayout, var webView: WebView) {

    // Show a toast from html.
    @JavascriptInterface
    fun showToast(toast: String) {
        Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show()
    }

    // Exit the Immersive Reader.
    @JavascriptInterface
    fun immersiveReaderExit() {
        webView.post(Runnable { destroyWebView(parentLayout, webView) })

        // Any additional functionality may be added here.
        Toast.makeText(mContext, "The Immersive Reader has been closed!", Toast.LENGTH_SHORT).show()
    }

    // Disposes of the WebView when the back arrow is tapped.
    private fun destroyWebView(parentLayout: LinearLayout, webView: WebView) {

        // Removes the WebView from its parent view before doing anything.
        parentLayout.removeView(webView)

        // Cleans things up before destroying the WebView.
        webView.clearHistory()
        webView.clearCache(true)
        webView.loadUrl("about:blank")
        webView.onPause()
        webView.removeAllViews()
        webView.pauseTimers()
        webView.destroy()
    }
}

앱 Kotlin 코드 주요 활동 설정

kotlin+java/com.example.quickstartkotlin/ 폴더에는 기존 MainActivity.kt Kotlin 클래스 파일이 있습니다. 이 파일은 앱 논리가 작성되는 위치입니다. 해당 내용을 다음 코드로 바꿉니다.

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

package com.example.quickstartkotlin

import android.app.Activity
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.webkit.CookieManager
import android.webkit.WebView
import android.widget.Button
import android.webkit.WebViewClient
import android.widget.LinearLayout
import android.widget.TextView
import com.google.gson.*
import io.github.cdimascio.dotenv.dotenv
import java.io.IOException
import java.io.*
import java.net.HttpURLConnection
import java.net.HttpURLConnection.HTTP_OK
import java.net.URL
import kotlinx.coroutines.*
import org.json.JSONObject
import java.util.*

// This sample app uses the Dotenv. It's a module that loads environment variables from a .env file to better manage secrets.
// https://github.com/cdimascio/java-dotenv
// Be sure to add a "env" file to the /assets folder.
// Instead of '.env', use 'env'.

class MainActivity : AppCompatActivity() {
    private val dotEnv = dotenv {
        directory = "/assets"
        filename = "env"
        ignoreIfMalformed = true
        ignoreIfMissing = true
    }

    private lateinit var contextualWebView: WebView

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        this.supportActionBar!!.hide()
        setContentView(R.layout.activity_main)
        val immersiveReaderButton = findViewById<Button>(R.id.LaunchImmersiveReaderButton)
        immersiveReaderButton.setOnClickListener { GlobalScope.launch { handleLoadImmersiveReaderWebView() } }
    }

    // Assigns values to the objects sent to the Immersive Reader SDK,
    // acquires the token and authorizes the app, then launches
    // the Web View to get the response and load the Immersive Reader
    // when the button is clicked in HTML.
    private suspend fun handleLoadImmersiveReaderWebView() {
        val exampleActivity = this
        val subdomain = dotEnv["SUBDOMAIN"]
        val irTitle = findViewById<TextView>(R.id.Title)
        val irText1 = findViewById<TextView>(R.id.Content1)
        val irText2 = findViewById<TextView>(R.id.Content2)

        // The content of the request that's shown in the Immersive Reader.
        // This basic example contains chunks of two different languages.
        val chunk1 = Chunk()
        chunk1.content = irText1.text.toString()
        chunk1.lang = "en"
        chunk1.mimeType = "text/plain"

        val chunk2 = Chunk()
        chunk2.content = irText2.text.toString()
        chunk2.lang = "fr"
        chunk2.mimeType = "text/plain"

        val chunks = ArrayList<Chunk>()
        chunks.add(chunk1)
        chunks.add(chunk2)

        val content = Content()
        content.title = irTitle.text.toString()
        content.chunks = chunks

        // Options may be assigned values here (e.g. options.uiLang = "en").
        val options = Options()

        var token: String

        runBlocking{
            val resp = async { getImmersiveReaderTokenAsync() }
            token = resp.await()
            val jsonResp = JSONObject(token)
            loadImmersiveReaderWebView(exampleActivity, jsonResp.getString("access_token"), subdomain, content, options)
        }
    }

    // The next two functions get the token from the Immersive Reader SDK
    // and authorize the app.
    private suspend fun getImmersiveReaderTokenAsync(): String {
        return getToken()
    }

    @Throws(IOException::class)
    fun getToken(): String {
        val clientId = dotEnv["CLIENT_ID"]
        val clientSecret = dotEnv["CLIENT_SECRET"]
        val tenantId = dotEnv["TENANT_ID"]
        val tokenUrl = URL("https://login.windows.net/$tenantId/oauth2/token")
        val form = "grant_type=client_credentials&resource=https://cognitiveservices.azure.com/&client_id=$clientId&client_secret=$clientSecret"

        val connection = tokenUrl.openConnection() as HttpURLConnection
        connection.requestMethod = "POST"
        connection.setRequestProperty("content-type", "application/x-www-form-urlencoded")
        connection.doOutput = true

        val writer = DataOutputStream(connection.outputStream)
        writer.writeBytes(form)
        writer.flush()
        writer.close()

        val responseCode = connection.responseCode

        if (responseCode == HTTP_OK) {
            val readerIn = BufferedReader(InputStreamReader(connection.inputStream))
            var inputLine = readerIn.readLine()
            val response = StringBuffer()

            do {
                response.append(inputLine)
            } while (inputLine.length < 0)
            readerIn.close()

            // Return token
            return response.toString()
        } else {
            val responseError = Error(code = "BadRequest", message = "There was an error getting the token.")
            throw IOException(responseError.toString())
        }
    }

    // To be assigned values and sent to the Immersive Reader SDK
    class Chunk(var content: String? = null,
                var lang: String? = null,
                var mimeType: String? = null)

    class Content(var title: String? = null,
                  var chunks: List<Chunk>? = null)

    class Message(var cogSvcsAccessToken: String? = null,
                  var cogSvcsSubdomain: String? = null,
                  var content: Content? = null,
                  var launchToPostMessageSentDurationInMs: Int? = null,
                  var options: Options? = null)

    // Only includes Immersive Reader options relevant to Android apps.
    // For a complete list, visit https://learn.microsoft.com/azure/ai-services/immersive-reader/reference
    class Options(var uiLang: String? = null, // Language of the UI, e.g. en, es-ES (optional). Defaults to browser language if not specified.
                  var timeout: Int? = null, // Duration (in milliseconds) before launchAsync fails with a timeout error (default is 15000 ms).
                  var uiZIndex: Int? = null, // Z-index of the iframe that will be created (default is 1000)
                  var onExit: (() -> Any)? = null, // Executes a callback function when the Immersive Reader exits
                  var customDomain: String? = null, // Reserved for internal use. Custom domain where the Immersive Reader webapp is hosted (default is null).
                  var allowFullscreen: Boolean? = null, // The ability to toggle fullscreen (default is true).
                  var hideExitButton: Boolean? = null // Whether or not to hide the Immersive Reader's exit button arrow (default is false). This should only be true if there is an alternative mechanism provided to exit the Immersive Reader (e.g a mobile toolbar's back arrow).
    )

    class Error(var code: String? = null,
                var message: String? = null)

    // A custom Web View component that launches inside the app
    @Throws(IOException::class)
    fun loadImmersiveReaderWebView(
        exampleActivity: Activity,
        token: String,
        subdomain: String?,
        content: Content,
        options: Options
    ) {
        val startPostMessageSentDurationInMs = Date()

        // Populate the message
        val messageData = Message()
        messageData.cogSvcsAccessToken = token
        messageData.cogSvcsSubdomain = subdomain
        messageData.content = content
        messageData.options = options

        GlobalScope.launch {
            withContext(Dispatchers.Main) {
                contextualWebView = WebView(exampleActivity)
                val parentLayout = findViewById<LinearLayout>(R.id.linearLayout)
                val contextualWebViewSettings = contextualWebView.settings

                contextualWebViewSettings.allowContentAccess = true
                contextualWebViewSettings.builtInZoomControls = true
                contextualWebViewSettings.javaScriptEnabled = true
                contextualWebViewSettings.loadsImagesAutomatically = true
                contextualWebViewSettings.loadWithOverviewMode = true
                contextualWebViewSettings.useWideViewPort = true
                contextualWebViewSettings.userAgentString = "Android"
                contextualWebViewSettings.domStorageEnabled = true

                contextualWebViewSettings.setAppCacheEnabled(false)
                contextualWebViewSettings.setSupportZoom(true)
                contextualWebView.setInitialScale(1)

                // Enables WebView Cookies
                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
                    CookieManager.getInstance().setAcceptThirdPartyCookies(contextualWebView, true)
                } else {
                    CookieManager.getInstance().setAcceptCookie(true)
                }

                val contextualWebViewLayout = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT)
                parentLayout.addView(contextualWebView, 0, contextualWebViewLayout)

                // This is required to launch the WebView *inside* the host application.
                contextualWebView.webViewClient = object : WebViewClient() {
                    override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
                        view.loadUrl(url)
                        return true
                    }

                    // Send message JSON object to Immersive Reader html
                    override fun onPageFinished(view: WebView, url: String) {
                        val endPostMessageSentDurationInMs = Date()
                        val postMessageSentDurationInMs = (endPostMessageSentDurationInMs.time - startPostMessageSentDurationInMs.time).toInt()

                        // Updates launchToPostMessageSentDurationInMs
                        messageData.launchToPostMessageSentDurationInMs = postMessageSentDurationInMs

                        // Serializes message data class to JSON
                        val gson = Gson()
                        val message = gson.toJson(messageData)

                        // Calls the handleLaunchImmersiveReader function in HTML
                        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
                            view.evaluateJavascript("handleLaunchImmersiveReader($message)", null)
                        } else {
                            view.loadUrl("javascript:handleLaunchImmersiveReader($message)")
                        }

                        // Sets the visibility of the WebView after the function has been called.
                        view.visibility = WebView.VISIBLE
                    }
                }

                // This is where the WebAppInterface Class is used.
                // Affords a way for JavaScript to work with the app directly from
                // the Web View's HTML.
                val jsInterface = WebAppInterface(exampleActivity, parentLayout, contextualWebView)
                contextualWebView.addJavascriptInterface(jsInterface, "Android")
                contextualWebView.loadUrl("file:///android_asset/immersiveReader.html")
            }
        }
    }
}

프로젝트를 다시 동기화해야 할 수도 있습니다.

웹 보기에 앱 HTML 추가

웹 보기 구현이 작동하려면 HTML이 필요합니다. 마우스 오른쪽 단추로 /assets 폴더를 클릭하고, 새 파일을 만들고, 이름을 immersiveReader.html로 지정합니다.

Screenshot of the name input field for the new html file.

Screenshot of the html file location in the assets folder.

다음 HTML 및 JavaScript를 추가합니다. 이 코드는 몰입형 리더 SDK를 앱에 추가하고 이를 사용하여 작성한 앱 코드를 사용하여 몰입형 리더 엽니다.

<!-- Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the MIT License. -->

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <script type="text/javascript" src="https://ircdname.azureedge.net/immersivereadersdk/immersive-reader-sdk.1.4.0.js"></script>
</head>
<body>
<script type="text/javascript">
        function handleLaunchImmersiveReader(message) {
            if (!message) {
                Android.showToast('Message is null or undefined!');
            } else {
                // Learn more about chunk usage and supported MIME types https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#chunk
                var data = {
                    title: message.content.title,
                    chunks: message.content.chunks
                };

                // A simple declarative function used to close the Immersive Reader WebView via @JavaScriptInterface
                var exitCallback = function() {
                    Android.immersiveReaderExit();
                }

                // Learn more about options https://learn.microsoft.com/azure/ai-services/immersive-reader/reference#options
                var options = {
                    onExit: exitCallback,
                    uiZIndex: 2000
                };

                // Use the JavaScript SDK to launch the Immersive Reader.
                ImmersiveReader.launchAsync(message.cogSvcsAccessToken, message.cogSvcsSubdomain, data, options);
            }
        }
    </script>
</body>
</html>

앱 권한 설정

애플리케이션이 작동하려면 몰입형 리더 SDK에 대한 네트워크를 호출해야 하므로 네트워크 액세스를 허용하도록 앱 권한이 구성되어야 합니다. /manifests/AndroidManifest.xml 내용을 다음 XML로 바꿉니다.

Screenshot of the Android Manifest file.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.quickstartkotlin">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

앱 실행

Android Studio를 사용하여 디바이스 에뮬레이터에서 앱을 실행합니다. 몰입형 리더를 선택하면 몰입형 리더가 앱의 콘텐츠와 함께 열립니다.

Screenshot of the Immersive Reader app running in the emulator.

다음 단계

이 빠른 시작에서는 처음부터 iOS 앱을 빌드하고 몰입형 리더 통합합니다. 이 빠른 시작의 전체 작업 샘플은 GitHub에서 사용할 수 있습니다.

필수 구성 요소

Xcode 프로젝트 만들기

Xcode에서 새 프로젝트를 만듭니다.

Screenshot of the Create a new Xcode project screen.

단일 보기 앱을 선택합니다.

Screenshot of the template gallery to select a single view app.

인증 설정

상단 메뉴에서 제품 > 구성표 > 구성표 편집...을 선택합니다.

Screenshot of the edit scheme dropdown menu.

실행 보기에서 인수 탭을 선택합니다.

Screenshot of the edit scheme environment variables.

환경 변수 섹션에서 다음 이름과 값을 추가하여 몰입형 리더 리소스를 만들 때 지정된 값을 제공합니다.

Important

비밀을 공개적으로 게시하지 마세요. 프로덕션의 경우 Azure Key Vault와 같은 자격 증명을 안전하게 저장하고 액세스하는 방법을 사용합니다.

TENANT_ID=<YOUR_TENANT_ID>
CLIENT_ID=<YOUR_CLIENT_ID>
CLIENT_SECRET<YOUR_CLIENT_SECRET>
SUBDOMAIN=<YOUR_SUBDOMAIN>

스토리보드 없이 실행되도록 앱 설정

AppDelegate.swift를 열고 파일을 다음 코드로 바꿉다.

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?

    var navigationController: UINavigationController?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.

        window = UIWindow(frame: UIScreen.main.bounds)

        if let window = window {
            let mainViewController = LaunchViewController()
            navigationController = UINavigationController(rootViewController: mainViewController)
            window.rootViewController = navigationController
            window.makeKeyAndVisible()
        }
        return true
    }

    func applicationWillResignActive(_ application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(_ application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(_ application: UIApplication) {
        // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(_ application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(_ application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }
}

보기 컨트롤러 만들기 및 샘플 콘텐츠 추가

ViewController.swift이름을 LaunchViewController.swift로 바꾸고 파일을 다음 코드로 바꿉니다.

import UIKit

class LaunchViewController: UIViewController {
    private var tenantId = ProcessInfo.processInfo.environment["TENANT_ID"]
    private var clientId = ProcessInfo.processInfo.environment["CLIENT_ID"]
    private var clientSecret = ProcessInfo.processInfo.environment["CLIENT_SECRET"]
    private var subdomain = ProcessInfo.processInfo.environment["SUBDOMAIN"]

    private var launchButton: UIButton!
    private var titleText: UILabel!
    private var bodyText: UILabel!
    private var sampleContent: Content!
    private var sampleChunk: Chunk!
    private var sampleOptions: Options!

    override func viewDidLoad() {
        super.viewDidLoad()

        view.backgroundColor = .white

        titleText = UILabel()
        titleText.text = "Geography"
        titleText.font = UIFont.boldSystemFont(ofSize: 30)
        titleText.lineBreakMode = .byWordWrapping
        titleText.numberOfLines = 0
        view.addSubview(titleText)

        bodyText = UILabel()
        bodyText.text = "The study of Earth's landforms is called physical geography. Landforms can be mountains and valleys. They can also be glaciers, lakes or rivers. Landforms are sometimes called physical features. It is important for students to know about the physical geography of Earth. The seasons, the atmosphere and all the natural processes of Earth affect where people are able to live. Geography is one of a combination of factors that people use to decide where they want to live.The physical features of a region are often rich in resources. Within a nation, mountain ranges become natural borders for settlement areas. In the U.S., major mountain ranges are the Sierra Nevada, the Rocky Mountains, and the Appalachians.Fresh water sources also influence where people settle. People need water to drink. They also need it for washing. Throughout history, people have settled near fresh water. Living near a water source helps ensure that people have the water they need. There was an added bonus, too. Water could be used as a travel route for people and goods. Many Americans live near popular water sources, such as the Mississippi River, the Colorado River and the Great Lakes.Mountains and deserts have been settled by fewer people than the plains areas. However, they have valuable resources of their own."
        bodyText.lineBreakMode = .byWordWrapping
        bodyText.numberOfLines = 0
        let screenSize = self.view.frame.height
        if screenSize <= 667 {
            // Font size for smaller iPhones.
            bodyText.font = bodyText.font.withSize(14)

         } else if screenSize <= 812 {
            // Font size for medium iPhones.
            bodyText.font = bodyText.font.withSize(15)

         } else if screenSize <= 896 {
            // Font size for larger iPhones.
            bodyText.font = bodyText.font.withSize(17)

         } else if screenSize <= 1024 {
            // Font size for iPads.
            bodyText.font = bodyText.font.withSize(25)
        } else {
            // Font size for large iPads.
            bodyText.font = bodyText.font.withSize(28)
        }
        view.addSubview(bodyText)

        launchButton = UIButton()
        launchButton.backgroundColor = .darkGray
        launchButton.contentEdgeInsets = UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10)
        launchButton.setTitleColor(.white, for: .normal)
        launchButton.setTitle("Immersive Reader", for: .normal)
        launchButton.addTarget(self, action: #selector(launchImmersiveReaderButton(sender:)), for: .touchUpInside)
        view.addSubview(launchButton)

        let layoutGuide = view.safeAreaLayoutGuide

        titleText.translatesAutoresizingMaskIntoConstraints = false
        titleText.topAnchor.constraint(equalTo: layoutGuide.topAnchor, constant: 20).isActive = true
        titleText.leadingAnchor.constraint(equalTo: layoutGuide.leadingAnchor, constant: 20).isActive = true
        titleText.trailingAnchor.constraint(equalTo: layoutGuide.trailingAnchor, constant: -20).isActive = true

        bodyText.translatesAutoresizingMaskIntoConstraints = false
        bodyText.topAnchor.constraint(equalTo: titleText.bottomAnchor, constant: 15).isActive = true
        bodyText.leadingAnchor.constraint(equalTo: layoutGuide.leadingAnchor, constant: 20).isActive = true
        bodyText.trailingAnchor.constraint(equalTo: layoutGuide.trailingAnchor, constant: -20).isActive = true

        launchButton.translatesAutoresizingMaskIntoConstraints = false
        launchButton.widthAnchor.constraint(equalToConstant: 200).isActive = true
        launchButton.heightAnchor.constraint(equalToConstant: 50).isActive = true
        launchButton.centerXAnchor.constraint(equalTo: layoutGuide.centerXAnchor).isActive = true
        launchButton.bottomAnchor.constraint(equalTo: layoutGuide.bottomAnchor, constant: -10).isActive = true

        // Create content and options.
        sampleChunk = Chunk(content: bodyText.text!, lang: nil, mimeType: nil)
        sampleContent = Content(title: titleText.text!, chunks: [sampleChunk])
        sampleOptions = Options(uiLang: nil, timeout: nil, uiZIndex: nil)
    }

    @IBAction func launchImmersiveReaderButton(sender: AnyObject) {
        launchButton.isEnabled = false

        // Callback to get token.
        getToken(onSuccess: {cognitiveToken in
            DispatchQueue.main.async {
                launchImmersiveReader(navController: self.navigationController!, token: cognitiveToken, subdomain: self.subdomain!, content: self.sampleContent, options: self.sampleOptions, onSuccess: {
                    self.launchButton.isEnabled = true
                }, onFailure: { error in
                    self.launchButton.isEnabled = true
                })
            }
        }, onFailure: { error in
            print("an error occurred: \(error)")
        })
    }

    func getToken(onSuccess: @escaping (_ theToken: String) -> Void, onFailure: @escaping ( _ theError: String) -> Void) {
        let tokenForm = "grant_type=client_credentials&resource=https://cognitiveservices.azure.com/&client_id=" + self.clientId! + "&client_secret=" + self.clientSecret!
        let tokenUrl = "https://login.windows.net/" + self.tenantId! + "/oauth2/token"

        var responseTokenString: String = "0"

        let url = URL(string: tokenUrl)!
        var request = URLRequest(url: url)
        request.httpBody = tokenForm.data(using: .utf8)
        request.httpMethod = "POST"

        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            guard let data = data,
                let response = response as? HTTPURLResponse,
                error == nil else {
                    onFailure("Error")
                    return
                }

            guard (200 ... 299) ~= response.statusCode else {
                onFailure(String(response.statusCode))
                return
            }

            let responseString = String(data: data, encoding: .utf8)

            let jsonResponse = try? JSONSerialization.jsonObject(with: data, options: [])
            guard let jsonDictonary = jsonResponse as? [String: Any] else {
                onFailure("Error parsing JSON response.")
                return
            }
            guard let responseToken = jsonDictonary["access_token"] as? String else {
                onFailure("Error retrieving token from JSON response.")
                return
            }
            responseTokenString = responseToken
            onSuccess(responseTokenString)
        }

        task.resume()
    }
}

ImmersiveReaderViewController.swift라는 프로젝트 루트 폴더에 새 파일을 추가하고 다음 코드를 추가합니다.

import UIKit
import Foundation
import WebKit

@available(iOS 11.0, *)
public class ImmersiveReaderWebView: WKWebView {

    init(frame: CGRect, contentController: WKUserContentController) {
        let conf = WKWebViewConfiguration()
        conf.userContentController = contentController
        super.init(frame: frame, configuration: conf)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}

public class ImmersiveReaderViewController: UIViewController, WKUIDelegate, WKNavigationDelegate {
    let tokenToSend: String
    let subdomainToSend: String
    let contentToSend: Content
    let optionsToSend: Options?
    let onSuccessImmersiveReader: (() -> Void)?
    let onFailureImmersiveReader: ((_ error: Error) -> Void)?
    let onTimeout: ((_ timeoutValue: TimeInterval) -> Void)?
    let onError: ((_ error: String) -> Void)?

    let startTime = Date().timeIntervalSince1970*1000
    var src: String
    var webView: WKWebView!
    var timer: Timer!
    var timeoutValue: TimeInterval!

    public init(tokenToPass: String, subdomainToPass: String, contentToPass: Content, optionsToPass: Options?, onSuccessImmersiveReader: @escaping () -> Void, onFailureImmersiveReader: @escaping (_ status: Error) -> Void, onTimeout: @escaping (_ timeoutValue: TimeInterval) -> Void, onError: @escaping (_ error: String) -> Void) {
        self.tokenToSend = tokenToPass
        self.subdomainToSend = subdomainToPass
        self.contentToSend = contentToPass
        self.optionsToSend = optionsToPass
        self.onSuccessImmersiveReader = onSuccessImmersiveReader
        self.onFailureImmersiveReader = onFailureImmersiveReader
        self.onTimeout = onTimeout
        self.onError = onError
        self.src = "https://" + subdomainToPass + ".cognitiveservices.azure.com/immersivereader/webapp/v1.0/reader"
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override public func viewDidLoad() {
        super.viewDidLoad()

        // If uiLang options are set update src to reflect this.
        switch optionsToSend?.uiLang {
        case .none: break
        case .some(let value):
            src = src + "?omkt=" + value
        }

        // Set timeout to default or value user specifies.
        switch optionsToSend?.timeout {
        case .none:
            timeoutValue = 15
        case .some(let value):
            timeoutValue = value
        }

        view.backgroundColor = .white
        webView = WKWebView()

        let contentController = WKUserContentController()
        if #available(iOS 11.0, *) {
            webView = ImmersiveReaderWebView(frame: .zero, contentController: contentController)
        } else {
            // Fallback on earlier versions
            webView = WKWebView()
            let config = WKWebViewConfiguration()
            config.userContentController = contentController
            webView = WKWebView(frame: .zero, configuration: config)
        }
        webView.navigationDelegate = self
        webView.uiDelegate = self

        contentController.add(self, name: "readyForContent")
        contentController.add(self, name: "launchSuccessful")
        contentController.add(self, name: "tokenExpired")
        contentController.add(self, name: "throttled")

        view.addSubview(webView)
        webView.translatesAutoresizingMaskIntoConstraints = false

        if #available(iOS 11.0, *) {
            let layoutGuide = view.safeAreaLayoutGuide
            webView.leadingAnchor.constraint(equalTo: layoutGuide.leadingAnchor).isActive = true
            webView.trailingAnchor.constraint(equalTo: layoutGuide.trailingAnchor).isActive = true
            webView.topAnchor.constraint(equalTo: layoutGuide.topAnchor).isActive = true
            webView.bottomAnchor.constraint(equalTo: layoutGuide.bottomAnchor).isActive = true

        } else {
            webView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
            webView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
            webView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
            webView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
        }
        // Get path to JavaScript file.
        guard let scriptPath = Bundle.main.path(forResource: "iFrameMessaging", ofType: "js") else {
            onError!("Could not create script path from resource.")
            return
        }
        do {
            let scriptSource = try String(contentsOfFile: scriptPath)
            let userScript = WKUserScript(source: scriptSource, injectionTime: .atDocumentStart, forMainFrameOnly: true)
            contentController.addUserScript(userScript)
        } catch {
            onError!("Could not parse JavaScript file.")
            return
        }

        // Start the timer.
        timer = Timer.scheduledTimer(timeInterval: timeoutValue, target: self, selector: #selector(self.timedOut), userInfo: nil, repeats: false)

        // Load the iframe from HTML.
        webView.loadHTMLString("<!DOCTYPE html><html style='width: 100%; height: 100%; margin: 0; padding: 0;'><head><meta name='viewport' content='width=device-width, initial-scale=1, shrink-to-fit=no'></head><body style='width: 100%; height: 100%; margin: 0; padding: 0;'><iframe id='immersiveReaderIframe' src = '\(src)' width='100%' height='100%' style='border: 0'></iframe></body></html>", baseURL: URL(string: "test://learningtools.onenote.com/learningtoolsapp/cognitive/reader"))
    }

    @objc func timedOut(_ timer: AnyObject) {
        onTimeout!(timeoutValue)
    }

    public func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        decisionHandler(.allow)
    }

    public func webView(_ webView: WKWebView, decidePolicyFor navigationResponse: WKNavigationResponse, decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void ) {
        decisionHandler(.allow)
    }
}

extension ImmersiveReaderViewController: WKScriptMessageHandler {
    public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
        if message.name == "readyForContent" {
            // Stop the timer.
            timer.invalidate()

            // Create the message variable
            let message = Message(cogSvcsAccessToken: tokenToSend, cogSvcsSubdomain: subdomainToSend, resourceName: nil, request: contentToSend, launchToPostMessageSentDurationInMs: Int(Date().timeIntervalSince1970*1000 - startTime))
            do {
                let jsonData = try JSONEncoder().encode(message)
                let jsonString = String(data: jsonData, encoding: .utf8)
                self.webView.evaluateJavaScript("sendContentToReader(\(jsonString!))") { (result, error) in
                    if error != nil {
                        self.onError!("Error evaluating JavaScript \(String(describing: error))")
                    }
                }
            } catch { print(error)}
        }

        if message.name == "launchSuccessful" {
            onSuccessImmersiveReader!()
        }

        if message.name == "tokenExpired" {
            let tokenExpiredError = Error(code: "TokenExpired", message: "The access token supplied is expired.")
            onFailureImmersiveReader!(tokenExpiredError)
        }

        if message.name == "throttled" {
            let throttledError = Error(code: "Throttled", message: "You have exceeded the call rate limit.")
            onFailureImmersiveReader!(throttledError)
        }
    }
}

LaunchImmersiveReader.swift라는 프로젝트 루트 폴더에 다른 새 파일을 추가하고 다음 코드를 추가합니다.

import UIKit
import Foundation

var navigationController: UINavigationController?

public struct Content: Encodable {
    var title: String
    var chunks: [Chunk]

    public init(title: String, chunks: [Chunk]) {
        self.title = title
        self.chunks = chunks
    }
}

public struct Chunk: Encodable {
    var content: String
    var lang: String?
    var mimeType: String?

    public init(content: String, lang: String?, mimeType: String?) {
        self.content = content
        self.lang = lang
        self.mimeType = mimeType
    }
}

public struct Options {
    var uiLang: String?
    var timeout: TimeInterval?

    public init(uiLang: String?, timeout: TimeInterval?, uiZIndex: NSNumber?) {
        self.uiLang = uiLang
        self.timeout = timeout
    }
}

public struct Error {
    public var code: String
    public var message: String

    public init(code: String, message: String) {
        self.code = code
        self.message = message
    }
}

struct Message: Encodable {
    let cogSvcsAccessToken: String
    let cogSvcsSubdomain: String
    let resourceName: String?
    let request: Content
    let launchToPostMessageSentDurationInMs: Int

    init(cogSvcsAccessToken: String, cogSvcsSubdomain: String, resourceName: String?, request: Content, launchToPostMessageSentDurationInMs: Int) {
        self.cogSvcsAccessToken = cogSvcsAccessToken
        self.cogSvcsSubdomain = cogSvcsSubdomain
        self.resourceName = resourceName
        self.request = request
        self.launchToPostMessageSentDurationInMs = launchToPostMessageSentDurationInMs
    }
}

public func launchImmersiveReader(navController: UINavigationController, token: String, subdomain: String, content: Content, options: Options?, onSuccess: @escaping () -> Void, onFailure: @escaping (_ error: Error) -> Void) {
    if (content.chunks.count == 0) {
        let badArgumentError = Error(code: "BadArgument", message: "Chunks must not be empty.")
        onFailure(badArgumentError)
    }

    navigationController = navController
    let immersiveReaderViewController = ImmersiveReaderViewController(tokenToPass: token, subdomainToPass: subdomain, contentToPass: content, optionsToPass: options, onSuccessImmersiveReader: {
        onSuccess()
    }, onFailureImmersiveReader: { error in
        onFailure(error)
    }, onTimeout: { timeout in
        navigationController?.popViewController(animated: true)
        let timeoutError = Error(code: "Timeout", message: "Page failed to load after timeout \(timeout) ms.")
        onFailure(timeoutError)
    }, onError: { error in
        navigationController?.popViewController(animated: true)
        let errorMessage = Error(code: "Internal Error", message: error)
        onFailure(errorMessage)
    })
    navigationController!.pushViewController(immersiveReaderViewController, animated: true)
}

iFrameMessaging.js 리소스 폴더에 파일을 추가하고 다음 코드를 추가합니다.

window.addEventListener("message", function(message) {
    if(message.data == "ImmersiveReader-ReadyForContent") {
        window.webkit.messageHandlers.readyForContent.postMessage(null);
    }

    if(message.data == "ImmersiveReader-LaunchSuccessful") {
        window.webkit.messageHandlers.launchSuccessful.postMessage(null);
    }

    if(message.data == "ImmersiveReader-TokenExpired") {
        window.webkit.messageHandlers.tokenExpired.postMessage(null);
    }

    if(message.data == "ImmersiveReader-Throttled") {
        window.webkit.messageHandlers.throttled.postMessage(null);
    }
});

function sendContentToReader(message) {
    document.getElementById('immersiveReaderIframe').contentWindow.postMessage(JSON.stringify({messageType:'Content', messageValue: message}), '*');
}

앱 빌드 및 실행

시뮬레이터 또는 디바이스 대상을 선택하여 Xcode에서 보관 체계를 설정합니다.

Screenshot of the archive stream.

Screenshot of the simulator selection target.

Xcode에서 Ctrl+R을 누르거나 재생 단추를 선택하여 프로젝트를 실행합니다. 앱은 지정된 시뮬레이터 또는 디바이스에서 시작되어야 합니다.

앱에서 다음과 같이 표시됩니다.

Screenshot of the sample app with text to be read.

몰입형 판독기 단추를 선택하면 페이지의 콘텐츠와 함께 몰입형 판독기가 시작됩니다.

Screenshot of the Immersive Reader app.

다음 단계