java.lang.RuntimeException: Unable to start activity ComponentInfo{com.grafixartist.noteapp/com.grafixartist.noteapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.grafixartist.noteapp.NotesAdapter.SetOnItemClickListener(com.grafixartist.noteapp.NotesAdapter$OnItemClickListener)' on a null object reference

Stack Overflow | Jafang | 4 months ago
  1. 0

    How can i fix this Error in Android

    Stack Overflow | 4 months ago | Jafang
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.grafixartist.noteapp/com.grafixartist.noteapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.grafixartist.noteapp.NotesAdapter.SetOnItemClickListener(com.grafixartist.noteapp.NotesAdapter$OnItemClickListener)' on a null object reference
  2. 1
    samebug tip
    Use 'dialog' to access views from custom_layout layout.
  3. 0
    samebug tip
    Initialize the variable before calling a method on it.
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  5. 0
    samebug tip
    The resource was accessed after it was dismissed.
  6. 0

    Nullpointer on android.widget.GridView.setOnItemClickListener(android.widget.AdapterView$OnItemClickListener)

    Stack Overflow | 8 months ago | Thormgrim
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.GridView.setOnItemClickListener(android.widget.AdapterView$OnItemClickListener)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void com.grafixartist.noteapp.NotesAdapter.SetOnItemClickListener(com.grafixartist.noteapp.NotesAdapter$OnItemClickListener)' on a null object reference

      at com.grafixartist.noteapp.MainActivity.onCreate()
    2. com.grafixartist.noteapp
      MainActivity.onCreate
      1. com.grafixartist.noteapp.MainActivity.onCreate(MainActivity.java:137)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6020)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2284)
      3 frames