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drakeet / MultiType

Flexible multiple types for Android RecyclerView.
Apache License 2.0
5.76k stars 749 forks source link

ViewDelegate#getAdapterPosition NPE #315

Closed drakeet closed 3 years ago

drakeet commented 3 years ago 
Process: me.drakeet.multitype.sample, PID: 22343
java.lang.NullPointerException: Attempt to invoke virtual method 'int androidx.recyclerview.widget.RecyclerView$ViewHolder.getLayoutPosition()' on a null object reference
    at androidx.recyclerview.widget.RecyclerView$LayoutParams.getViewLayoutPosition(RecyclerView.java:11701)
    at com.drakeet.multitype.ViewDelegate.getLayoutPosition(ViewDelegate.kt:41)
    at com.drakeet.multitype.sample.normal.RichViewDelegate.onBindView(RichViewDelegate.kt:40)
    at com.drakeet.multitype.sample.normal.RichViewDelegate.onBindView(RichViewDelegate.kt:32)
    at com.drakeet.multitype.ViewDelegate.onBindView(ViewDelegate.kt:26)
    at com.drakeet.multitype.ViewDelegate.onBindViewHolder(ViewDelegate.kt:33)
    at com.drakeet.multitype.ViewDelegate.onBindViewHolder(ViewDelegate.kt:13)
    at com.drakeet.multitype.ItemViewDelegate.onBindViewHolder(ItemViewDelegate.kt:105)
    at com.drakeet.multitype.MultiTypeAdapter.onBindViewHolder(MultiTypeAdapter.kt:148)
    at androidx.recyclerview.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:7107)
    at androidx.recyclerview.widget.RecyclerView$Recycler.tryBindViewHolderByDeadline(RecyclerView.java:6012)
    at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:6279)
    at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6118)
    at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6114)
    at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2303)
    at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1627)
    at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1587)
    at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:665)
    at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:4134)
    at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:3851)
    at androidx.recyclerview.widget.RecyclerView.onLayout(RecyclerView.java:4404)