java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.EditText.setText(java.lang.CharSequence)' on a null object reference

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    Attempt to invoke virtual method 'void android.widget.EditText.setText(java.lang.CharSequence)' on a null object reference

    Stack Overflow | 7 months ago | Ashish Choudhary
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.EditText.setText(java.lang.CharSequence)' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.EditText.setText(java.lang.CharSequence)' on a null object reference

      at com.example.ashish.project.MainActivity.show()
    2. com.example.ashish
      MainActivity$2$1.onClick
      1. com.example.ashish.project.MainActivity.show(MainActivity.java:103)
      2. com.example.ashish.project.DatabaseHelper.search(DatabaseHelper.java:108)
      3. com.example.ashish.project.MainActivity$2$1.onClick(MainActivity.java:60)
      3 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5201)
      2. android.view.View$PerformClick.run(View.java:21163)
      3. android.os.Handler.handleCallback(Handler.java:746)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:148)
      6. android.app.ActivityThread.main(ActivityThread.java:5443)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
      2 frames