java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

GitHub | xiaojw123 | 2 months ago
  1. 0

    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

    GitHub | 2 months ago | xiaojw123
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
  2. 0

    App Crashes after moving main recycler view from content_main to another layout in my res files

    Stack Overflow | 4 months ago | Anfernee
    java.lang.RuntimeException: Unable to start activity ComponentInfo{pv.devclub.spartans/pv.devclub.spartans.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
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    JAVA NullPointerException error (School project)

    Stack Overflow | 4 months ago | TimV
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
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  5. 0

    Android TabLayout inside Fragment

    Stack Overflow | 10 months ago | Jacques Krause
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
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    How to have grid display with Firebase RecyclerAdapter

    Stack Overflow | 4 weeks ago | John
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.downer.localys/com.example.downer.localys.ShowProducts}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

      at com.lalocal.lalocal.activity.SearchActivity$SearchCallBack.onGetSearchResult()
    2. com.lalocal.lalocal
      ContentLoader$ContentResponse.onResponse
      1. com.lalocal.lalocal.activity.SearchActivity$SearchCallBack.onGetSearchResult(SearchActivity.java:296)
      2. com.lalocal.lalocal.net.ContentLoader$ContentResponse.responseGetSearchResult(ContentLoader.java:1474)
      3. com.lalocal.lalocal.net.ContentLoader$ContentResponse.onResponse(ContentLoader.java:1111)
      4. com.lalocal.lalocal.net.ContentLoader$ContentResponse.onResponse(ContentLoader.java:936)
      4 frames
    3. Android-Volley Library
      ExecutorDelivery$ResponseDeliveryRunnable.run
      1. com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:60)
      2. com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:1)
      3. com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)
      3 frames
    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:148)
      4. android.app.ActivityThread.main(ActivityThread.java:5438)
      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:739)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
      2 frames