java.lang.IllegalArgumentException: itemView may not be null

java.lang.IllegalArgumentException: itemView may not be null
at androidx.recyclerview.widget.RecyclerView$ViewHolder.(RecyclerView.java:10833)
at com.chad.library.adapter.base.BaseViewHolder.(BaseViewHolder.java:79)
at com.chad.library.adapter.base.BaseQuickAdapter.createBaseViewHolder(BaseQuickAdapter.java:1014)
at com.chad.library.adapter.base.BaseQuickAdapter.onCreateViewHolder(BaseQuickAdapter.java:753)
at com.chad.library.adapter.base.BaseQuickAdapter.onCreateViewHolder(BaseQuickAdapter.java:68)
at androidx.recyclerview.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6794)
at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5975)
at androidx.recyclerview.widget.GapWorker.prefetchPositionWithDeadline(GapWorker.java:286)
at androidx.recyclerview.widget.GapWorker.flushTaskWithDeadline(GapWorker.java:343)
at androidx.recyclerview.widget.GapWorker.flushTasksWithDeadline(GapWorker.java:359)
at androidx.recyclerview.widget.GapWorker.prefetch(GapWorker.java:366)
at androidx.recyclerview.widget.GapWorker.run(GapWorker.java:397)
at android.os.Handler.handleCallback(Handler.java:761)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6617)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)

我用的baserecycleviewadapter的这个，当我的item数量超过三百之后，就会必现这个异常，直接崩溃，这个时候我去检查我的adapter，将getItemViewType这个方法注释掉后就可以了，根本原因还未找到，这样可解决这个异常问题，但是如果你一定需要这个方法的时候就需要重写这个方法并用自己的逻辑去实现type，否则还会出现。