08-03 10:21:32.084 1087-1087/com.example.my.recyclerview E/AndroidRuntime: FATAL EXCEPTION: main

    Process: com.example.my.recyclerview, PID: 1087

    java.lang.NullPointerException

        at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6795)

        at android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5975)

        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5858)

        at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5854)

        at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2230)

        at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1557)

        at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1517)

        at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:612)

        at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3924)

        at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3641)

        at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:4194)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)

        at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1660)

        at android.widget.LinearLayout.onLayout(LinearLayout.java:1436)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)

        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.support.v7.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:444)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)

        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)

        at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)

        at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)

        at android.widget.FrameLayout.onLayout(FrameLayout.java:388)

        at android.view.View.layout(View.java:14817)

        at android.view.ViewGroup.layout(ViewGroup.java:4631)

        at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2011)

        at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1768)

        at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1024)

        at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5694)

        at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)

        at android.view.Choreographer.doCallbacks(Choreographer.java:574)

        at android.view.Choreographer.doFrame(Choreographer.java:544)

        at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)

        at android.os.Handler.handleCallback(Handler.java:733)

        at android.os.Handler.dispatchMessage(Handler.java:95)

        at android.os.Looper.loop(Looper.java:136)

        at android.app.ActivityThread.main(ActivityThread.java:5019)

        at java.lang.reflect.Method.invokeNative(Native Method)

        at java.lang.reflect.Method.invoke(Method.java:515)

        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)

        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)

        at dalvik.system.NativeStart.main(Native Method)