java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

Stack Overflow | bluemunch | 3 months ago
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    RecyclerAdapter not loading data unless I refresh

    Stack Overflow | 3 months ago | bluemunch
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    NullPointerException in RecyclerAdapter

    Stack Overflow | 3 months ago | santafebound
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    空指针异常

    GitHub | 8 months ago | JasonHezz
    java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=100, result=1004, data=Intent { }} to activity {com.lzy.imagepickerdemo/com.lzy.imagepickerdemo.ImagePickerActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    抛出大量Permission Denied的日志

    GitHub | 5 months ago | aviraxp
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    抛出大量Permission Denied的日志

    GitHub | 5 months ago | aviraxp
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

      at com.yitter.feed.FeedAdapter.getItemCount()
    2. com.yitter.feed
      FeedAdapter.getItemCount
      1. com.yitter.feed.FeedAdapter.getItemCount(FeedAdapter.java:478)
      1 frame
    3. Android v7
      RecyclerView.onLayout
      1. android.support.v7.widget.RecyclerView.dispatchLayoutStep1(RecyclerView.java:3170)
      2. android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3067)
      3. android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3518)
      3 frames
    4. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:16636)
      2. android.view.ViewGroup.layout(ViewGroup.java:5437)
      2 frames
    5. Android Support v4
      SwipeRefreshLayout.onLayout
      1. android.support.v4.widget.SwipeRefreshLayout.onLayout(SwipeRefreshLayout.java:598)
      1 frame
    6. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:16636)
      2. android.view.ViewGroup.layout(ViewGroup.java:5437)
      2 frames