RecyclerView:指定的孩子已经有一个家长。您必须先调用子视图的父视图上的removeView()
问题描述:
我有RecyclerView
我在下面得到了异常。我只在Crashlytics上得到例外,尽管每天都大量使用该活动,但我从未设法自己再现这个问题。RecyclerView:指定的孩子已经有一个家长。您必须先调用子视图的父视图上的removeView()
我吹上onCreateViewHolder
我的看法的方式是:
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.list_item, parent, false);
还有另一种视图类型,它来源于MoPub原生广告。
任何想法可能是什么问题?
Caused by java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the childs parent first.
at android.view.ViewGroup.addViewInner(ViewGroup.java:4438)
at android.view.ViewGroup.addView(ViewGroup.java:4274)
at android.view.ViewGroup.addView(ViewGroup.java:4215)
at android.support.v7.widget.RecyclerView$5.addView(RecyclerView.java:711)
at android.support.v7.widget.ChildHelper.addView(ChildHelper.java:107)
at android.support.v7.widget.RecyclerView$LayoutManager.addViewInt(RecyclerView.java:7877)
at android.support.v7.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:7835)
at android.support.v7.widget.RecyclerView$LayoutManager.addView(RecyclerView.java:7823)
at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1565)
at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1511)
at android.support.v7.widget.LinearLayoutManager.scrollBy(LinearLayoutManager.java:1325)
at android.support.v7.widget.LinearLayoutManager.scrollVerticallyBy(LinearLayoutManager.java:1061)
at android.support.v7.widget.RecyclerView$ViewFlinger.run(RecyclerView.java:4726)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:894)
at android.view.Choreographer.doCallbacks(Choreographer.java:696)
at android.view.Choreographer.doFrame(Choreographer.java:628)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:880)
at android.os.Handler.handleCallback(Handler.java:815)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5728)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:683)
编辑:onCreateViewHolder
这样的代码
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (viewType == MoPubStreamAdPlacer.CONTENT_VIEW_TYPE) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.list_item, parent, false);
ViewHolder vh = new ViewHolder(this, v);
return vh;
} else {
final MoPubAdRenderer adRenderer = streamAdPlacer.getAdRendererForViewType(viewType);
if (adRenderer == null) {
MoPubLog.w("No view binder was registered for ads in MoPubRecyclerAdapter.");
// This will cause a null pointer exception.
return null;
}
return new MoPubRecyclerViewHolder(
adRenderer.createAdView((Activity) parent.getContext(), parent));
}
}
答
风情景观为我工作
View view = View.inflate(mContext,R.layout.layout_name,null);
而不是
LayoutInflater.from(parent.getContext())
.inflate(R.layout.list_item, parent, false);
其中parent
正在创建问题,将此父级设置为null
将解决该问题。
你能分享你的适配器代码吗?特别是onCreateViewHolder()&onBindViewHolder()的代码。 –
增加了'onCreateViewHolder','onBindViewHolder'非常大,不认为它适合,主要是围绕设置文本字段等逻辑,是否有一些特殊的东西,我应该复制? – casolorz
我不知道你是如何创建视图。根据该消息,您可能会返回已在其他地方使用的视图。 –