加载大 PDF 时应用程序崩溃

Question

有人知道如何在 Android 中加载大 pdf 文件吗？我使用 "android-pdf-viewer" 加载那种文件。它在文件很小的时候起作用。但是一旦文件太大（例如150M），就会抛出OOM异常。

11-28 21:07:43.596 7844-8419/com.example.caoweizhao.readerapp E/art: Out 
of memory: Heap Size=192MB, Allocated=83MB, Capacity=192MB
11-28 21:07:43.596 7844-8419/com.example.caoweizhao.readerapp W/art: 
Throwing OutOfMemoryError "Failed to allocate a 134209548 byte 
allocation with 16777216 free bytes and 108MB until OOM"
11-28 21:07:43.607 7844-7844/com.example.caoweizhao.readerapp E/PDFView: load pdf error
                                                                     java.lang.OutOfMemoryError: Failed to allocate a 134209548 byte allocation with 16777216 free bytes and 108MB until OOM
                                                                         at java.io.ByteArrayOutputStream.expand(ByteArrayOutputStream.java:91)
                                                                         at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:201)
                                                                         at com.github.barteksc.pdfviewer.util.Util.toByteArray(Util.java:37)
                                                                         at com.github.barteksc.pdfviewer.source.InputStreamSource.createDocument(InputStreamSource.java:37)
                                                                         at com.github.barteksc.pdfviewer.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:53)
                                                                         at com.github.barteksc.pdfviewer.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:25)
                                                                         at android.os.AsyncTask.call(AsyncTask.java:295)
                                                                         at java.util.concurrent.FutureTask.run(FutureTask.java:237)
                                                                         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
                                                                         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
                                                                         at java.lang.Thread.run(Thread.java:818)

11

Answer 1

在您的 AndroidManifest.xml 文件中，在应用程序标签

中添加 android:largeHeap="true"

加载大 PDF 时应用程序崩溃

Application crahses while loading a big PDF

pdf

android

out-of-memory