当我尝试在recyclelerView（list）滚动时尝试向recyclerView / adapter插入新项目时出现问题。当列表不滚动但是当我拖动列表并尝试插入新项目时，一切正常还在滚动）它崩溃了。关于什么可能是问题的任何想法。这是我收到的错误消息：
java.lang.IllegalArgumentException: Tmp detached view should be removed from RecyclerView before it can be recycled: ViewHolder{2414800 position=0 id=-1, oldPos=-1, pLpos:-1 update tmpDetached no parent}
at android.support.v7.widget.RecyclerView$Recycler.recycleViewHolderInternal(RecyclerView.java:5429)
at android.support.v7.widget.RecyclerView.removeAnimatingView(RecyclerView.java:1242)
at android.support.v7.widget.RecyclerView$ItemAnimatorRestoreListener.onAnimationFinished(RecyclerView.java:11156)
at android.support.v7.widget.RecyclerView$ItemAnimator.dispatchAnimationFinished(RecyclerView.java:11656)
at android.support.v7.widget.SimpleItemAnimator.dispatchChangeFinished(SimpleItemAnimator.java:304)
at android.support.v7.widget.DefaultItemAnimator$7.onAnimationEnd(DefaultItemAnimator.java:363)
at android.support.v4.view.ViewPropertyAnimatorCompatJB$1.onAnimationEnd(ViewPropertyAnimatorCompatJB.java:51)
at android.view.ViewPropertyAnimator$AnimatorEventListener.onAnimationEnd(ViewPropertyAnimator.java:1121)
at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1153)
at android.animation.ValueAnimator.doAnimationFrame(ValueAnimator.java:1313)
at android.animation.AnimationHandler.doAnimationFrame(AnimationHandler.java:146)
at android.animation.AnimationHandler.-wrap2(AnimationHandler.java)
at android.animation.AnimationHandler$1.doFrame(AnimationHandler.java:54)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:872)
at android.view.Choreographer.doCallbacks(Choreographer.java:686)
at android.view.Choreographer.doFrame(Choreographer.java:618)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:860)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
这是xml：
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="200dp"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_below="@+id/appBar"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/appBar"/>
on main：
adapter = new SelectionDemoAdapter(sectionList); // SelectionDemoAdapter contains two views header and item
recyclerView.setLayoutManager(new StickyHeaderLayoutManager());
recyclerView.setAdapter(adapter);
recyclerView.addItemDecoration(new DividerItemDecoration(this, LinearLayoutManager.VERTICAL));
recyclerView.setItemAnimator(new DefaultItemAnimator());
来自此处的适配器：ShamylZakariya StickyHeaders
public class SelectionDemoAdapter extends SectioningAdapter {
private ArrayList<SectionManager.Section> sectionList = new ArrayList<>();
public SelectionDemoAdapter(ArrayList<SectionManager.Section> sectionList) {
this.sectionList=sectionList;
}
public class ItemViewHolder extends SectioningAdapter.ItemViewHolder {
public View dateLine;
public TextView memoTitle, memoCreator, memoCreationTime;
public ImageView memoIcon, memoProtected;
public ItemViewHolder(View itemView) {
super(itemView);
memoTitle = (TextView) itemView.findViewById(R.id.textViewMemoTitle);
memoCreator = (TextView) itemView.findViewById(R.id.textViewMemoCreator);
memoCreationTime = (TextView) itemView.findViewById(R.id.textViewMemoCreationTime);
dateLine=(View) itemView.findViewById(R.id.dateLine);
memoIcon=(ImageView) itemView.findViewById(R.id.imageViewMemoIcon);
memoProtected =(ImageView) itemView.findViewById(R.id.imageViewProtected);
}
}
public class HeaderViewHolder extends SectioningAdapter.HeaderViewHolder {
TextView categoryTextView;
TextView rightTextView;
public HeaderViewHolder(View itemView) {
super(itemView);
categoryTextView = (TextView) itemView.findViewById(R.id.categoryTextView);
rightTextView = (TextView) itemView.findViewById(R.id.rightTextView);
}
}
@Override
public int getNumberOfSections() {
return sectionList.size();
}
@Override
public int getNumberOfItemsInSection(int sectionIndex) {
return sectionList.get(sectionIndex).memoArrayList.size();
}
@Override
public boolean doesSectionHaveHeader(int sectionIndex) {
return !TextUtils.isEmpty(sectionList.get(sectionIndex).category);
}
@Override
public ItemViewHolder onCreateItemViewHolder(ViewGroup parent, int itemType) {
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
View v = inflater.inflate(R.layout.memo_row_layout, parent, false);
return new ItemViewHolder(v);
}
@Override
public HeaderViewHolder onCreateHeaderViewHolder(ViewGroup parent, int headerType) {
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
View v = inflater.inflate(R.layout.list_item_selectable_header, parent, false);
return new HeaderViewHolder(v);
}
@SuppressLint("SetTextI18n")
@Override
public void onBindItemViewHolder(SectioningAdapter.ItemViewHolder viewHolder, int sectionIndex, int itemIndex, int itemType) {
ItemViewHolder ivh = (ItemViewHolder) viewHolder;
//Log.d("esx","Memo adapter POSITION: "+position+" of "+memoList.size());
SectionManager.Section section=sectionList.get(sectionIndex);
Memo memo = section.memoArrayList.get(itemIndex);
//memo.printALL();
ivh.memoTitle.setText(memo.getMemoHeader().getTitle());
ivh.memoTitle.setTextColor(MemoPriority.getPriorityType(memo.getMemoHeader().getPriority()).getColor());
ivh.memoCreator.setText(memo.getMemoHeader().getCreator());
ivh.dateLine.setBackgroundColor(MemoPriority.getPriorityType(memo.getMemoHeader().getPriority()).getColor());
ivh.memoCreationTime.setText(TimeHelper.getDate(memo.getCreationTime(), TimeHelper.TimeFormat.HH_MM_SS));
ivh.memoIcon.setImageResource(memo.getMemoHeader().getIconResourceID());
if(memo.getMemoHeader().isProtected()) {
ivh.memoProtected.setImageResource(Utils.getDrawableResourceID("protected_eye"));
ivh.memoProtected.setColorFilter(MemoPriority.getPriorityType(memo.getMemoHeader().getPriority()).getColor(), PorterDuff.Mode.SRC_IN);
}else {
ivh.memoProtected.setImageResource(Utils.getDrawableResourceID("not_protected_eye"));
ivh.memoProtected.setColorFilter(MemoPriority.getPriorityType(memo.getMemoHeader().getPriority()).getColor(), PorterDuff.Mode.SRC_IN);
}
ivh.itemView.setActivated(isSectionItemSelected(sectionIndex, itemIndex));
}
@SuppressLint("SetTextI18n")
@Override
public void onBindHeaderViewHolder(SectioningAdapter.HeaderViewHolder viewHolder, int sectionIndex, int headerType) {
SectionManager.Section s = sectionList.get(sectionIndex);
HeaderViewHolder hvh = (HeaderViewHolder) viewHolder;
hvh.categoryTextView.setText(s.category);
hvh.rightTextView.setText(s.rightText);
hvh.itemView.setActivated(isSectionSelected(sectionIndex));
}
}