电子书阅读错误 [英] eBook reading error
问题描述
我曾尝试阅读EPUB文件使用该即时通讯 http://www.siegmann.nl/ epublib / Android的。我试着这是在给出的链接相同的样品,但即时得到的 java.lang.NoClassDefFoundError的。我尝试了所有的办法,我可以。即使是由ADT改变,食,但我不能能解决这个问题。请查看一下,给我一些建议。
15 04-20:08:47.735:E / AndroidRuntime(4329):致命异常:主要
04-20 15:08:47.735:E / AndroidRuntime(4329):java.lang.ExceptionInInitializerError
04-20 15:08:47.735:E / AndroidRuntime(4329):在com.sample.pubreader.EPubReaderActivity.onCreate(EPubReaderActivity.java:30)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1780)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1837)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.ActivityThread.access $ 1500(ActivityThread.java:132)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1033)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.os.Handler.dispatchMessage(Handler.java:99)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.os.Looper.loop(Looper.java:143)
04-20 15:08:47.735:E / AndroidRuntime(4329):在android.app.ActivityThread.main(ActivityThread.java:4196)
04-20 15:08:47.735:E / AndroidRuntime(4329):在java.lang.reflect.Method.invokeNative(本机方法)
04-20 15:08:47.735:E / AndroidRuntime(4329):在java.lang.reflect.Method.invoke(Method.java:507)
04-20 15:08:47.735:E / AndroidRuntime(4329):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:839)
04-20 15:08:47.735:E / AndroidRuntime(4329):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
04-20 15:08:47.735:E / AndroidRuntime(4329):在dalvik.system.NativeStart.main(本机方法)
04-20 15:08:47.735:E / AndroidRuntime(4329):java.lang.NoClassDefFoundError的:产生的原因org.slf4j.LoggerFactory
04-20 15:08:47.735:E / AndroidRuntime(4329):在nl.siegmann.epublib.epub.EpubReader< clinit>(EpubReader.java:33)
04-20 15:08:47.735:E / AndroidRuntime(4329):14 ...更多
Eventhough我的code是类似于上面的链接,IM提供code也。
公共类EPubReaderActivity延伸活动{
/ **当第一次创建活动调用。 * /
@覆盖
公共无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main);
AssetManager assetManager = getAssets();
尝试{
//找到的InputStream的书
InputStream的epubInputStream = assetManager
。开(sample.epub); 从输入流//加载图书
书书=(新EpubReader())readEpub(epubInputStream)。 //登录这本书的作者
Log.i(epublib,作者(S):+ book.getMetadata()getAuthors()); //登录书名
Log.i(epublib,标题:+ book.getTitle()); //登录书的coverimage财产
位图coverImage = BitmapFactory.de codeStream(book.getCoverImage()
.getInputStream());
Log.i(epublib,Coverimage为+ coverImage.getWidth()+由
+ coverImage.getHeight()+像素); //日志内容的故事
logTableOfContents(book.getTableOfContents()getTocReferences(),0);
}赶上(IOException异常五){
Log.e(epublib,e.getMessage());
}
}
私人无效logTableOfContents(列表< TOCReference> tocReferences,诠释深度){
如果(tocReferences == NULL){
返回;
}
对于(TOCReference tocReference:tocReferences){
StringBuilder的tocString =新的StringBuilder();
的for(int i = 0; I<深度;我++){
tocString.append(\\ t的);
}
tocString.append(tocReference.getTitle());
Log.i(epublib,tocString.toString()); logTableOfContents(tocReference.getChildren(),深度+ 1);
}
}
}
我加入另两个jar文件解决了这个问题。
SLF4J的API和SLF4J简单的。该SLF4J,Android已经对我刚才所说的库的依赖。
感谢您的帮助。
I have tried to read a epub file for which im using http://www.siegmann.nl/epublib/android. Im trying the same sample which is given in the link, but im getting java.lang.NoClassDefFoundError . I tried all the way i can. Even by changing by adt,eclipse but i cant able to solve this issue. Please look into it and provide me some suggestions.
04-20 15:08:47.735: E/AndroidRuntime(4329): FATAL EXCEPTION: main
04-20 15:08:47.735: E/AndroidRuntime(4329): java.lang.ExceptionInInitializerError
04-20 15:08:47.735: E/AndroidRuntime(4329): at com.sample.pubreader.EPubReaderActivity.onCreate(EPubReaderActivity.java:30)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1780)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1837)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.ActivityThread.access$1500(ActivityThread.java:132)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1033)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.os.Handler.dispatchMessage(Handler.java:99)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.os.Looper.loop(Looper.java:143)
04-20 15:08:47.735: E/AndroidRuntime(4329): at android.app.ActivityThread.main(ActivityThread.java:4196)
04-20 15:08:47.735: E/AndroidRuntime(4329): at java.lang.reflect.Method.invokeNative(Native Method)
04-20 15:08:47.735: E/AndroidRuntime(4329): at java.lang.reflect.Method.invoke(Method.java:507)
04-20 15:08:47.735: E/AndroidRuntime(4329): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
04-20 15:08:47.735: E/AndroidRuntime(4329): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
04-20 15:08:47.735: E/AndroidRuntime(4329): at dalvik.system.NativeStart.main(Native Method)
04-20 15:08:47.735: E/AndroidRuntime(4329): Caused by: java.lang.NoClassDefFoundError: org.slf4j.LoggerFactory
04-20 15:08:47.735: E/AndroidRuntime(4329): at nl.siegmann.epublib.epub.EpubReader.<clinit>(EpubReader.java:33)
04-20 15:08:47.735: E/AndroidRuntime(4329): ... 14 more
Eventhough my code is similar to the above link,Im providing the code also.
public class EPubReaderActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
AssetManager assetManager = getAssets();
try {
// find InputStream for book
InputStream epubInputStream = assetManager
.open("sample.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());
// 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", e.getMessage());
}
}
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("epublib", tocString.toString());
logTableOfContents(tocReference.getChildren(), depth + 1);
}
}
}
I solved the problem by adding the two another jar files
slf4j-api and slf4j-simple. The slf4j-android has the dependency on the libraries which i have mentioned.
Thanks for your help.
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