java.lang.NullPointerException

4byte.cn | 6 months ago
  1. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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  3. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
  4. 0

    Android: Saving Map State in Google map

    Stack Overflow | 1 year ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.iopendr.xls.read.Xls_Reader.getRowCount()
    2. com.iopendr.xls
      Xls_Reader.getRowCount
      1. com.iopendr.xls.read.Xls_Reader.getRowCount(Xls_Reader.java:43)
      1 frame
    3. com.iopendr.test
      DriverScript.main
      1. com.iopendr.test.DriverScript.start(DriverScript.java:106)
      2. com.iopendr.test.DriverScript.main(DriverScript.java:60)
      2 frames