java.lang.OutOfMemoryError When open a pdf file

java.lang.OutOfMemoryError\: Failed to allocate a 7925772 byte allocation with 4194208 free bytes and 4MB until OOM
at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
at android.graphics.Bitmap.nativeCreate(Native Method)
at android.graphics.Bitmap.createBitmap(Bitmap.java\:831)
at android.graphics.Bitmap.createBitmap(Bitmap.java\:808)
at android.graphics.Bitmap.createBitmap(Bitmap.java\:775)
at com.radaee.view.PDFLayout.vResize(PDFLayout.java\:132)
at com.radaee.reader.PDFLayoutView.PDFSetView(PDFLayoutView.java\:1217)
at com.radaee.reader.PDFLayoutView.PDFOpen(PDFLayoutView.java\:1233)
at com.hongzhengtech.hzpaperlesssystem.ui.activities.document.DocumentViewActivity$OpenTask.onPostExecute(DocumentViewActivity.java\:247)
at com.hongzhengtech.hzpaperlesssystem.ui.activities.document.DocumentViewActivity$OpenTask.onPostExecute(DocumentViewActivity.java\:214)
at android.os.AsyncTask.finish(AsyncTask.java\:651)
at android.os.AsyncTask.-wrap1(AsyncTask.java)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java\:668)
at android.os.Handler.dispatchMessage(Handler.java\:111)
at android.os.Looper.loop(Looper.java\:207)
at android.app.ActivityThread.main(ActivityThread.java\:5728)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java\:789)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java\:679)\n

Are you experiencing the same issue on our demo project?
If so, may you forward your PDF document?

This error raised randomly.

Randomly in your application or in demo project?

Randomly in our application, we have not test it in demo project.

First step which would allow us to proceed is that you should be able to reproduce the issue in the demo project.