java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.akhileshchobey.mynotes.DatabaseOperations.insertData(java.lang.String)' on a null object reference

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    App crashing during onTextChanged()

    Stack Overflow | 8 months ago | Akhilesh Chobey
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean com.akhileshchobey.mynotes.DatabaseOperations.insertData(java.lang.String)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'boolean com.akhileshchobey.mynotes.DatabaseOperations.insertData(java.lang.String)' on a null object reference

      at com.akhileshchobey.mynotes.Main2Activity.onTextChanged()
    2. com.akhileshchobey.mynotes
      Main2Activity.onTextChanged
      1. com.akhileshchobey.mynotes.Main2Activity.onTextChanged(Main2Activity.java:39)
      1 frame
    3. Android Platform
      BaseInputConnection.setComposingText
      1. android.widget.TextView.sendOnTextChanged(TextView.java:7746)
      2. android.widget.TextView.handleTextChanged(TextView.java:7806)
      3. android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:9724)
      4. android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:964)
      5. android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:515)
      6. android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:454)
      7. android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:33)
      8. android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:685)
      9. android.view.inputmethod.BaseInputConnection.setComposingText(BaseInputConnection.java:445)
      9 frames
    4. Android
      IInputConnectionWrapper$MyHandler.handleMessage
      1. com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:340)
      2. com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:78)
      2 frames
    5. Android Platform
      ActivityThread.main
      1. android.os.Handler.dispatchMessage(Handler.java:102)
      2. android.os.Looper.loop(Looper.java:135)
      3. android.app.ActivityThread.main(ActivityThread.java:5264)
      3 frames
    6. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    7. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:900)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:695)
      2 frames