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

Stack Overflow | z.al | 2 months ago
tip
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  1. 0
    samebug tip
    You can't use hide() or remove() or many things with NULL values, try checking for NULL before calling this methods.
  2. 0
    samebug tip
    Also, check if you're not using android.support.v4.app.FragmentTransaction with android.app.Fragment and vice-versa
  3. 0

    how can i put conditions on ListView Item?

    Stack Overflow | 2 months ago | z.al
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
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  5. 0

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

    Stack Overflow | 2 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 | 2 months ago | z.al
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

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    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$3.run(AbsListView.java:5684)
      5. android.os.Handler.handleCallback(Handler.java:739)
      6. android.os.Handler.dispatchMessage(Handler.java:95)
      7. android.os.Looper.loop(Looper.java:145)
      8. android.app.ActivityThread.main(ActivityThread.java:6946)
      8 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
      2 frames