回收站视图：检测到不一致。无效的项目位置。原因 -使用计时器删除项目

android listview java android-recyclerview

2022-09-04 08:43:35

在继续前进之前，我在谷歌上搜索了这个错误，我发现了很多可用的答案，但我的场景与他们的情况不同。

java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid item position 2(offset:2).state:3

我正在使用recyckerview来显示投票问题，每个问题都有一个计时器，当计时器用完时，Item将从列表中删除。

当计时器用完时，会发生异常，但仅在一些罕见的情况下，当剩余的时间较少（例如100ms）时。因此，在这种情况下，可能是回收商view正在膨胀项目，同时，计时器耗尽，recyclerview尝试删除该项目。

Bug是当计时器删除项目时，我得到了异常。

因此，在从数据集中删除元素后，当该轮询剩余1秒或更短的秒数时，我解决了它。因此，它不会在列表中添加项目，这将运行计时器。

如果你想产生错误，只需启动倒数计时器，一旦计时器用完，就删除该特定项目。你必须使计时器低于500ms。bindView

所以现在一切都很完美。在极少数情况下崩溃的问题已经解决，但我不想从数据集中删除该元素，即使剩余的时间更少。请给我这个错误的正确解决方案。

编辑

java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid item position 1(offset:1).state:2 com.lsjwzh.widget.recyclerviewpager.RecyclerViewPager{182da0c VFED..... .F....ID 0,0-720,1024 #7f0a01a1 app:id/recycler_view}, adapter:com.lsjwzh.widget.recyclerviewpager.RecyclerViewPagerAdapter@c9403f, layout:android.support.v7.widget.LinearLayoutManager@6fdbd0c, context:com.bitpoll.polls.MainActivity@b40f4c0
     android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5817)
     android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5752)
     android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5748)
     android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2232)
     android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1559)
     android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1519)
     android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:614)
     android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3812)
     android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3529)
     android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:4082)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.support.v4.widget.SwipeRefreshLayout.onLayout(SwipeRefreshLayout.java:606)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.RelativeLayout.onLayout(RelativeLayout.java:1189)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.support.constraint.ConstraintLayout.onLayout(ConstraintLayout.java:1855)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:132)
     android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
     android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1361)
     android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:894)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.RelativeLayout.onLayout(RelativeLayout.java:1189)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.FrameLayout.layoutChildren(FrameLayout.java:383)
     android.widget.FrameLayout.onLayout(FrameLayout.java:321)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.LinearLayout.setChildFrame(LinearLayout.java:1982)
     android.widget.LinearLayout.layoutVertical(LinearLayout.java:1826)
     android.widget.LinearLayout.onLayout(LinearLayout.java:1735)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.FrameLayout.layoutChildren(FrameLayout.java:383)
     android.widget.FrameLayout.onLayout(FrameLayout.java:321)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.LinearLayout.setChildFrame(LinearLayout.java:1982)
     android.widget.LinearLayout.layoutVertical(LinearLayout.java:1826)
     android.widget.LinearLayout.onLayout(LinearLayout.java:1735)
     android.view.View.layout(View.java:17969)
     android.view.ViewGroup.layout(ViewGroup.java:5721)
     android.widget.FrameLayout.layoutChildren(FrameLayout.java:383)
     android.widget.FrameLayout.onLayout(FrameLayout.java:321)
     com.android.internal.policy.DecorView.onLayout(DecorView.java:753)
     android.view.View.layout(View.java:17969)

更新

这是适配器代码。

public class PollAdapter extends RecyclerView.Adapter<PollAdapter.PollViewHolder> {

    // .... 

    @Override
    public void onBindViewHolder(@NonNull PollViewHolder holder, int position) {

    // ...

        if (holder.countDownTimer != null) {
            holder.countDownTimer.cancel();
        }

        // CountDown to set Timer in poll
        holder.countDownTimer = new CountDownTimer(<Timer to be finished.>, 1000) {

            public void onTick(long millisUntilFinished) {
                holder.time.setText("<Remaining time>");
            }

            public void onFinish() {
                removeAt(holder.getAdapterPosition());
            }

        }.start();
    }

    @Override
    public int getItemCount() {
        return pollList.size();
    }

    // To Remove Poll after Time finished
    public void removeAt(int position) {
    pollList.remove(position);
        notifyItemRemoved(position);
    }
}

答案 1

当的未收到更改通知时，会出现此错误。AdapterRecyclerView

要解决此错误，请查找底层数据正在更改的所有点，没有直接的解决方案，因为这是内部崩溃，由AdapterRecyclerView

您可以做的是：

由于您正在添加，因此在添加时调用notifyItemInserted
并且由于您正在删除以及当您删除时调用notifyItemRemoved

要在没有任何优化的情况下对此进行测试，您也可以同时调用这两个时间。notifyDataSetChanged

答案 2

使用自定义LinearLayoutManager

public class CustLinearLayoutManager extends LinearLayoutManager {

public CustLinearLayoutManager(Context context) {
    super(context);
}

public CustLinearLayoutManager(Context context, int orientation, boolean reverseLayout) {
    super(context, orientation, reverseLayout);
}

public CustLinearLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
}

// Something is happening here

@Override
public boolean supportsPredictiveItemAnimations() {
    return false;
  }
}

用途：-

CustLinearLayoutManager clm = new CustLinearLayoutManagerr(mContext);
recyclerView.setLayoutManager(clm);

我希望它会起作用