java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

Stack Overflow | z.al | 4 months ago
tip
Do you find the tips below useful? Click on the to mark them and say thanks to Rafael Fischer Viola . Or join the community to write better ones.
  1. 0
    samebug tip
    Check if you imported android.support.v4.app.FragmentManager and not android.app.FragmentManager. Check for naming problems in your xml files as well, might have inconsistencies!
  2. 0
    samebug tip
    Also, check if you're not using android.support.v4.app.FragmentTransaction with android.app.Fragment, as they're not totally compatible.
  3. 0

    how can i put conditions on ListView Item?

    Stack Overflow | 4 months ago | z.al
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    how can we give conditions on listview item ..when we want to match the String?

    Stack Overflow | 4 months ago | z.al
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
  6. 0

    how to match onitemclick value with string in android?

    Stack Overflow | 4 months ago | z.al
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

      at com.example.zeba.broccoli.SubMenu$DownloadJSON.onItemClick()
    2. com.example.zeba
      SubMenu$DownloadJSON.onItemClick
      1. com.example.zeba.broccoli.SubMenu$DownloadJSON.onItemClick(SubMenu.java:161)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.widget.AdapterView.performItemClick(AdapterView.java:339)
      2. android.widget.AbsListView.performItemClick(AbsListView.java:1532)
      3. android.widget.AbsListView$PerformClick.run(AbsListView.java:3700)
      4. android.widget.AbsListView$3.run(AbsListView.java:5684)
      5. android.os.Handler.handleCallback(Handler.java:739)
      6. android.os.Handler.dispatchMessage(Handler.java:95)
      7. android.os.Looper.loop(Looper.java:145)
      8. android.app.ActivityThread.main(ActivityThread.java:6946)
      8 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit$MethodAndArgsCaller.run
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
      1 frame