Question

我想阅读所有toc的所有内容。
请你告诉我如何阅读目录（toc）中的所有章节。
请发布修改后的代码，以便我们可以阅读所有内容或发布一些内容，以便我可以阅读内容

 public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       AssetManager assetsmanger=getAssets();

        try {                                   
             // find InputStream for book                   
                InputStream  epubInputStream=assetsmanger.open("books/INCOME-TAX-ACT-1961.epub");

              // Load Book from inputStream
              Book book = (new EpubReader()).readEpub(epubInputStream);

            // Log the book's authors                         
              Log.i("epublib", "author(s): " +book.getMetadata().getAuthors());

                // Log the book's title  
             Log.i("epublib", "title: " + book.getTitle());

        String data=new String (book.getContents().get(3).getData()); 
         String k=data;
                web1=(WebView)findViewById(R.id.webView1);    
//                txt1=(TextView) findViewById(R.id.textView1);
//                txt1.setText(k);
            web1.loadData(k," text/html", "utf8");

        Bitmap coverImage=BitmapFactory.decodeStream(book.getCoverImage().getInputStream());

         Log.i("epublib" , "Coverimage is " + coverImage.getWidth() + " by "
                  + coverImage.getHeight() + " pixels");
        // Log the tale of contents
         logTableOfContents(book.getTableOfContents().getTocReferences(), 0);

    //     list=(ExpandableListView)findViewById(R.id.expandableListView1);


//      img1=(ImageView)findViewById(R.id.imageView1);    
//            img1.setImageBitmap(coverImage);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                 Log.e("epublib", e.getMessage());
            }
            catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

    private void logTableOfContents(List<TOCReference> tocReferences, int depth) {
        // TODO Auto-generated method stub

        if(tocReferences== null ){
            return;
        }
        for(TOCReference tocReference:tocReferences){
            StringBuilder tocstring=new StringBuilder();
            for(int i=0;i<depth;i++)
            {
                tocstring.append("\t");

            }
            HashMap<String, String> map = new HashMap<String, String>();


        String k=   tocstring.append(tocReference.getTitle()).toString();
        map.put("TOC",k);
        ArrayList<HashMap<String, String>> list1 = new ArrayList<HashMap<String, String>>();
        list1.add(map);
        String t=k;
             Log.i("epublib", tocstring.toString());
             logTableOfContents(tocReference.getChildren(), depth + 1);

        }           
    }                                     
    }

Answer 1

如果您的sampleepubfile.epub ...

中有必要的库和assets，请使用此代码

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.List;

import nl.siegmann.epublib.domain.Book;
import nl.siegmann.epublib.domain.TOCReference;
import nl.siegmann.epublib.epub.EpubReader;
import android.app.Activity;
import android.content.res.AssetManager;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.webkit.WebView;
public class EPubDemo extends Activity {
    WebView webview;
    String line, line1 = "", finalstr = "";
    int i = 0;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        webview = (WebView) findViewById(R.id.webview);
        AssetManager assetManager = getAssets();
        try {
            // find InputStream for book
            InputStream epubInputStream = assetManager
                    .open("sampleepubfile.epub");

            // Load Book from inputStream
            Book book = (new EpubReader()).readEpub(epubInputStream);

            // Log the book's authors
            Log.i("author", " : " + book.getMetadata().getAuthors());

            // Log the book's title
            Log.i("title", " : " + book.getTitle());

            /* Log the book's coverimage property */
            // Bitmap coverImage =
            // BitmapFactory.decodeStream(book.getCoverImage()
            // .getInputStream());
            // Log.i("epublib", "Coverimage is " + coverImage.getWidth() +
            // " by "
            // + coverImage.getHeight() + " pixels");

            // Log the tale of contents
            logTableOfContents(book.getTableOfContents().getTocReferences(), 0);
        } catch (IOException e) {
            Log.e("epublib exception", e.getMessage());
        }

        String javascrips = "";
        try {
            // InputStream input = getResources().openRawResource(R.raw.lights);
            InputStream input = this.getAssets().open(
                    "poe-fall-of-the-house-of-usher.epub");

            int size;
            size = input.available();
            byte[] buffer = new byte[size];
            input.read(buffer);
            input.close();
            // byte buffer into a string
            javascrips = new String(buffer);
        } catch (IOException e) {
            e.printStackTrace();
        }
        // String html = readFile(is);

        webview.loadDataWithBaseURL("file:///android_asset/", javascrips,
                "application/epub+zip", "UTF-8", null);
    }

    @SuppressWarnings("unused")
    private void logTableOfContents(List<TOCReference> tocReferences, int depth) {
        if (tocReferences == null) {
            return;
        }

        for (TOCReference tocReference : tocReferences) {
            StringBuilder tocString = new StringBuilder();
             for (int i = 0; i < depth; i++) {
             tocString.append("\t");
             }
             tocString.append(tocReference.getTitle());
             Log.i("TOC", tocString.toString());

            try {
                InputStream is = tocReference.getResource().getInputStream();
                BufferedReader r = new BufferedReader(new InputStreamReader(is));

                while ((line = r.readLine()) != null) {
                    // line1 = Html.fromHtml(line).toString();
                    Log.v("line" + i, Html.fromHtml(line).toString());
                    // line1 = (tocString.append(Html.fromHtml(line).toString()+
                    // "\n")).toString();
                    line1 = line1.concat(Html.fromHtml(line).toString());
                }
                finalstr = finalstr.concat("\n").concat(line1);
                // Log.v("Content " + i, finalstr);
                i++;
            } catch (IOException e) {

            }

            logTableOfContents(tocReference.getChildren(), depth + 1);
        }
        webview.loadDataWithBaseURL("", finalstr, "text/html", "UTF-8", "");
    }
}

如何在android中读取Epub文件的所有内容？

1 个答案: