java.lang.NullPointerException
at android.support.v7.widget.RecyclerView$LayoutManager.onInitializeAccessibilityEvent(RecyclerView.java:10000)
at android.support.v7.widget.RecyclerViewAccessibilityDelegate.onInitializeAccessibilityEvent(RecyclerViewAccessibilityDelegate.java:72)
at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateApi16Impl$1.onInitializeAccessibilityEvent(AccessibilityDelegateCompat
java.lang.NullPointerException at android.support.v7.widget.RecyclerView$LayoutManager.onInitializeAccessibilityEvent(RecyclerView.java:10000) at android.support.v7.widget.RecyclerViewAccessibilityDelegate.onInitializeAccessibilityEvent(RecyclerViewAccessibilityDelegate.java:72) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateApi16Impl$1.onInitializeAccessibilityEvent(AccessibilityDelegateCompat