java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewParent com.github.barteksc.pdfviewer.PDFView.getParent()' on a null object reference

GitHub | xingjiyuan | 6 months ago
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  1. 0

    NPE at DefaultScrollHandle.java:106

    GitHub | 6 months ago | xingjiyuan
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.ViewParent com.github.barteksc.pdfviewer.PDFView.getParent()' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.view.ViewParent com.github.barteksc.pdfviewer.PDFView.getParent()' on a null object reference

      at com.github.barteksc.pdfviewer.scroll.DefaultScrollHandle$2.run()
    2. com.github.barteksc
      DefaultScrollHandle$2.run
      1. com.github.barteksc.pdfviewer.scroll.DefaultScrollHandle$2.run(DefaultScrollHandle.java:106)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:815)
      2. android.os.Handler.dispatchMessage(Handler.java:104)
      3. android.os.Looper.loop(Looper.java:194)
      4. android.app.ActivityThread.main(ActivityThread.java:5552)
      4 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:964)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:759)
      2 frames