我正在尝试创建一个动态UI，我在其中使用了具有页眉和页脚的recyclerview。 问题：我正在尝试以编程方式添加framelayout，添加了UI但是当我滚动recyclelerview并返回顶部（Position = 0）应用程序崩溃时发出以下错误
标题工作正常，但只要我滚动到recyclerview应用程序的底部就会崩溃（如果调试器打开则工作正常）
java.lang.IllegalArgumentException: No view found for id 0x1 (unknown) for fragment PreviewFragment{df6a345 #4 id=0x1}
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1413)
at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1750)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1819)
at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:797)
at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2590)
at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2377)
at android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManager.java:2332)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2239)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:700)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6692)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1468)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1358)
代码：
public class LatestFragRecyclerAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final int TYPE_HEADER = 0;
private static final int TYPE_FOOTER = 1;
private static final int TYPE_ITEM = 2;
private ArrayList<String> stringArrayList;
private Context mContext;
private FragmentManager fragmentManager;
private FrameLayout framelayout;
public LatestFragRecyclerAdapter(Context mContext, ArrayList<String> strings, FragmentManager fragmentManager) {
this.mContext = mContext;
this.stringArrayList = strings;
this.fragmentManager = fragmentManager;
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
if (viewType == TYPE_ITEM) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_item, parent, false);
return new ItemViewHolder(itemView);
} else if (viewType == TYPE_HEADER) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_header, parent, false);
createView();
return new HeaderViewHolder(itemView);
} else if (viewType == TYPE_FOOTER) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_footer, parent, false);
createView();
return new FooterViewHolder(itemView);
} else return null;
}
private void createView(){
int i = 1;
framelayout = new FrameLayout(mContext);
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT);
framelayout.setId(i);
// Apply the Layout Parameters for FrameLayout
framelayout.setLayoutParams(lp);
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
if (holder instanceof HeaderViewHolder) {
HeaderViewHolder headerHolder = (HeaderViewHolder) holder;
headerHolder.headerLinearLayout.removeView(framelayout);
createView();
headerHolder.headerLinearLayout.addView(framelayout);
setFragment(framelayout.getId(), fragmentManager);
/*headerHolder.headerTitle.setText("Header View");
headerHolder.headerTitle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(mContext, "You clicked at Header View!", Toast.LENGTH_SHORT).show();
}
});*/
} else if (holder instanceof FooterViewHolder) {
FooterViewHolder footerHolder = (FooterViewHolder) holder;
footerHolder.footerLinearLayout.removeView(framelayout);
createView();
footerHolder.footerLinearLayout.addView(framelayout);
setFragmentSix(framelayout.getId(), fragmentManager);
/*footerHolder.footerText.setText("Footer View");
footerHolder.footerText.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(mContext, "You clicked at Footer View", Toast.LENGTH_SHORT).show();
}
});*/
} else if (holder instanceof ItemViewHolder) {
ItemViewHolder itemViewHolder = (ItemViewHolder) holder;
itemViewHolder.itemText.setText("Recycler Item " + position);
itemViewHolder.itemText.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(mContext, "You clicked at item " + position, Toast.LENGTH_SHORT).show();
}
});
}
}
@Override
public int getItemViewType(int position) {
if (position == 0) {
return TYPE_HEADER;
} else if (position == stringArrayList.size() + 1) {
return TYPE_FOOTER;
}
return TYPE_ITEM;
}
@Override
public int getItemCount() {
return stringArrayList.size() + 2;
}
private void setFragmentSix(int resID, FragmentManager m) {
BannerFragment frag = new BannerFragment();
FragmentTransaction t = m.beginTransaction();
t.add(resID, frag);
t.commit();
/*resID.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(mContext, "You clicked at Footer View", Toast.LENGTH_SHORT).show();
}
});*/
}
private void setFragment(int resID, FragmentManager m) {
PreviewFragment frag = new PreviewFragment();
FragmentTransaction t = m.beginTransaction();
t.add(resID, frag);
t.commit();
/*resID.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(mContext, "You clicked at Footer View", Toast.LENGTH_SHORT).show();
}
});*/
}
private class HeaderViewHolder extends RecyclerView.ViewHolder {
// TextView headerTitle;
LinearLayout headerLinearLayout;
public HeaderViewHolder(View view) {
super(view);
headerLinearLayout = (LinearLayout) itemView.findViewById(R.id.header_linear);
// headerTitle = (TextView) view.findViewById(R.id.header_text);
}
}
private class FooterViewHolder extends RecyclerView.ViewHolder {
// TextView footerText;
LinearLayout footerLinearLayout;
public FooterViewHolder(View view) {
super(view);
footerLinearLayout = (LinearLayout) view.findViewById(R.id.footer_linear);
// footerText = (TextView) view.findViewById(R.id.footer_text);
}
}
private class ItemViewHolder extends RecyclerView.ViewHolder {
TextView itemText;
public ItemViewHolder(View itemView) {
super(itemView);
itemText = (TextView) itemView.findViewById(R.id.recycler_item_text);
}
}
}