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

Stack Overflow | Joseph Joey | 7 months ago
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  1. 0

    Custom listview throwing a null pointer exception

    Stack Overflow | 7 months ago | Joseph Joey
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  2. 0

    Null object reference error while fetching data in RecyclerView. Beside i have also a BaseAdapter Class Adapter, how to implement it in RecyclerView

    Stack Overflow | 1 year ago | Akshay Soni
    java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object java.util.List.get(int)' on a null object at com.developer.akshay.testingdemo.adapter.DesiAdapter.onBindViewHolder(DesiAdapter.java:at com.developer.akshay.testingdemo.adapter.DesiAdapter.onBindViewHolder(DesiAdapter.java:at android.support.v7.widget.RecyclerView$Adapter.onBindViewHolder(RecyclerView.java:at android.support.v7.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java:at android.support.v4.view.ViewPager.onLayout(ViewPager.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java:at android.widget.LinearLayout.setChildFrame(LinearLayout.java:at android.widget.LinearLayout.layoutVertical(LinearLayout.java:at android.widget.LinearLayout.onLayout(LinearLayout.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java: at android.support.design.widget.CoordinatorLayout.layoutChild(CoordinatorLayout.java:at android.support.design.widget.CoordinatorLayout.onLayoutChild(CoordinatorLayout.java:at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java: at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java:at android.widget.FrameLayout.layoutChildren(FrameLayout.java: at android.widget.FrameLayout.onLayout(FrameLayout.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java:at android.widget.LinearLayout.setChildFrame(LinearLayout.java: at android.widget.LinearLayout.layoutVertical(LinearLayout.java:at android.widget.LinearLayout.onLayout(LinearLayout.java:at android.view.View.layout(View.java:at android.view.ViewGroup.layout(ViewGroup.java:at android.widget.FrameLayout.layoutChildren(FrameLayout.java:at android.widget.FrameLayout.onLayout(FrameLayout.java:514)

    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

      at com.example.joey.sunshine.CustomAdapter.getView()
    2. com.example.joey
      CustomAdapter.getView
      1. com.example.joey.sunshine.CustomAdapter.getView(CustomAdapter.java:62)
      1 frame
    3. Android Platform
      View.layout
      1. android.widget.AbsListView.obtainView(AbsListView.java:2347)
      2. android.widget.ListView.makeAndAddView(ListView.java:1864)
      3. android.widget.ListView.fillDown(ListView.java:698)
      4. android.widget.ListView.fillFromTop(ListView.java:759)
      5. android.widget.ListView.layoutChildren(ListView.java:1673)
      6. android.widget.AbsListView.onLayout(AbsListView.java:2151)
      7. android.view.View.layout(View.java:15761)
      7 frames