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

Stack Overflow | goh | 8 months ago
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    Getting error - android.widget.TextView.getText()' on a null object reference

    Stack Overflow | 8 months ago | goh
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.widget.TextView.getText()' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.CharSequence android.widget.TextView.getText()' on a null object reference

      at com.example.android.cardemulation.MenuActivity$1.onClick()
    2. com.example.android
      MenuActivity$1.onClick
      1. com.example.android.cardemulation.MenuActivity$1.onClick(MenuActivity.java:79)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5226)
      2. android.view.View$PerformClick.run(View.java:21266)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:168)
      6. android.app.ActivityThread.main(ActivityThread.java:5845)
      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:797)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:687)
      2 frames