java.lang.NullPointerException

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  • java.lang.NullPointerException: Attempt to read from field 'android.support.v7.widget.RecyclerView$Recycler android.support.v7.widget.RecyclerView.mRecycler' on a null object reference at android.support.v7.widget.RecyclerView$LayoutManager.onInitializeAccessibilityNodeInfo(RecyclerView.java:8233) at android.support.v7.widget.RecyclerViewAccessibilityDelegate.onInitializeAccessibilityNodeInfo(RecyclerViewAccessibilityDelegate.java:59) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateJellyBeanImpl$1.onInitializeAccessibilityNodeInfo(AccessibilityDelegateCompat.java:233) at android.support.v4.view.AccessibilityDelegateCompatJellyBean$1.onInitializeAccessibilityNodeInfo(AccessibilityDelegateCompatJellyBean.java:61) at android.view.View.onInitializeAccessibilityNodeInfo(View.java:6082) at android.view.View.createAccessibilityNodeInfoInternal(View.java:6043) at android.view.View$AccessibilityDelegate.createAccessibilityNodeInfo(View.java:22287) at android.view.View.createAccessibilityNodeInfo(View.java:6026) at android.view.accessibility.AccessibilityRecord.setSource(AccessibilityRecord.java:145) at android.view.accessibility.AccessibilityRecord.setSource(AccessibilityRecord.java:119) at android.view.View.onInitializeAccessibilityEventInternal(View.java:5980) at android.view.View$AccessibilityDelegate.onInitializeAccessibilityEvent(View.java:22199) at android.support.v4.view.AccessibilityDelegateCompatIcs.onInitializeAccessibilityEvent(AccessibilityDelegateCompatIcs.java:92) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateIcsImpl.onInitializeAccessibilityEvent(AccessibilityDelegateCompat.java:179) at android.support.v4.view.AccessibilityDelegateCompat.onInitializeAccessibilityEvent(AccessibilityDelegateCompat.java:419) at android.support.v7.widget.RecyclerViewAccessibilityDelegate.onInitializeAccessibilityEvent(RecyclerViewAccessibilityDelegate.java:65) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateJellyBeanImpl$1.onInitializeAccessibilityEvent(AccessibilityDelegateCompat.java:228) at android.support.v4.view.AccessibilityDelegateCompatJellyBean$1.onInitializeAccessibilityEvent(AccessibilityDelegateCompatJellyBean.java:56) at android.view.View.onInitializeAccessibilityEvent(View.java:5966) at android.view.View.sendAccessibilityEventUncheckedInternal(View.java:5833) at android.view.View$AccessibilityDelegate.sendAccessibilityEventUnchecked(View.java:22138) at android.support.v4.view.AccessibilityDelegateCompatIcs.sendAccessibilityEventUnchecked(AccessibilityDelegateCompatIcs.java:117) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateIcsImpl.sendAccessibilityEventUnchecked(AccessibilityDelegateCompat.java:210) at android.support.v4.view.AccessibilityDelegateCompat.sendAccessibilityEventUnchecked(AccessibilityDelegateCompat.java:358) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateJellyBeanImpl$1.sendAccessibilityEventUnchecked(AccessibilityDelegateCompat.java:255) at android.support.v4.view.AccessibilityDelegateCompatJellyBean$1.sendAccessibilityEventUnchecked(AccessibilityDelegateCompatJellyBean.java:82) at android.view.View.sendAccessibilityEventUnchecked(View.java:5816) at android.support.v7.widget.RecyclerView.sendAccessibilityEventUnchecked(RecyclerView.java:2803) at android.view.View.sendAccessibilityEventInternal(View.java:5795) at android.view.View$AccessibilityDelegate.sendAccessibilityEvent(View.java:22096) at android.support.v4.view.AccessibilityDelegateCompatIcs.sendAccessibilityEvent(AccessibilityDelegateCompatIcs.java:112) at android.support.v4.view.AccessibilityDelegateCompat$AccessibilityDelegateIcsImpl.sendAccessibilityEvent(AccessibilityDelegateCompat.java:204) at android.support.v4.view.AccessibilityDelegateCompat.sendAccessibilityEvent(AccessibilityDelegateCompat.java:336)
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