java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference

Stack Overflow | a-thorn | 2 months ago
  1. 0

    when i use parcelable interface to read/write a Boolean, Nullobject Reference happens,why?

    Stack Overflow | 2 months ago | a-thorn
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference
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    Stack Overflow | 4 months ago | Akshay Singhal
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'boolean java.lang.Boolean.booleanValue()' on a null object reference

      at es.source.code.model.User$override.writeToParcel()
    2. es.source.code
      User.writeToParcel
      1. es.source.code.model.User$override.writeToParcel(User.java:52)
      2. es.source.code.model.User$override.access$dispatch(User.java)
      3. es.source.code.model.User.writeToParcel(User.java:0)
      3 frames
    3. Android Platform
      Activity.startActivityForResult
      1. android.os.Parcel.writeParcelable(Parcel.java:1416)
      2. android.os.Parcel.writeValue(Parcel.java:1322)
      3. android.os.Parcel.writeArrayMapInternal(Parcel.java:665)
      4. android.os.BaseBundle.writeToParcelInner(BaseBundle.java:1330)
      5. android.os.Bundle.writeToParcel(Bundle.java:1079)
      6. android.os.Parcel.writeBundle(Parcel.java:690)
      7. android.content.Intent.writeToParcel(Intent.java:7793)
      8. android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:2639)
      9. android.app.Instrumentation.execStartActivity(Instrumentation.java:1507)
      10. android.app.Activity.startActivityForResult(Activity.java:3917)
      11. android.app.Activity.startActivityForResult(Activity.java:3877)
      11 frames
    4. Android Support v4
      FragmentActivity.startActivityForResult
      1. android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:861)
      1 frame
    5. Android Platform
      Activity.startActivity
      1. android.app.Activity.startActivity(Activity.java:4200)
      2. android.app.Activity.startActivity(Activity.java:4168)
      2 frames
    6. es.source.code
      LoginOrRegister$1.onClick
      1. es.source.code.activity.LoginOrRegister$1.onClick(LoginOrRegister.java:46)
      1 frame
    7. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:5198)
      2. android.view.View$PerformClick.run(View.java:21147)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:148)
      6. android.app.ActivityThread.main(ActivityThread.java:5417)
      6 frames
    8. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    9. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames