java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setElevation(float)' on a null object reference

GitHub | akshuu | 5 months ago
  1. 0

    GitHub comment 10#243319274

    GitHub | 5 months ago | akshuu
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setElevation(float)' on a null object reference
  2. 0

    Get NullPointerException

    GitHub | 5 months ago | KingWu
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setElevation(float)' on a null object reference
  3. 0
    Use 'dialog' to access views from custom_layout layout.
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  5. 0
    The resource was accessed after it was dismissed.
  6. 0
    Initialize the variable before calling a method on it.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.view.View.setElevation(float)' on a null object reference

      at android.support.v4.view.ViewCompatLollipop.setElevation()
    2. Android Support v4
      ViewCompat.setElevation
      1. android.support.v4.view.ViewCompatLollipop.setElevation(ViewCompatLollipop.java:45)
      2. android.support.v4.view.ViewCompat$LollipopViewCompatImpl.setElevation(ViewCompat.java:1599)
      3. android.support.v4.view.ViewCompat.setElevation(ViewCompat.java:2808)
      3 frames
    3. com.grp10.codepath
      TripActivity$5.run
      1. com.grp10.codepath.travelmemo.activities.TripActivity$5.run(TripActivity.java:275)
      1 frame
    4. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:158)
      4. android.app.ActivityThread.main(ActivityThread.java:7224)
      4 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames