Question

在fn create_user(user_data: Json<UserData>, db: DB) -> Status<Json<Value>> { let conn = db.conn(); let _new_user_result = user_data.into_inner().into_new_user(&conn); unimplemented!() }中，当我向上或向下滚动时，项目会变得混乱。这意味着它会再次回收项目视图。请有人帮助我，我一直在尝试这么多次。提前谢谢。

这是该问题的屏幕截图当我向上和向下滚动时，文本视图1（图像中标记为红色）出现在错误的位置

图片1：initial list
图片2：after scrolling list

recyclerview

itemview的XML文件是

private class MyRecyclerViewAdapter extends RecyclerView.Adapter<MyRecyclerViewAdapter.ViewHolder> {

    private List<PendingFollowupVO> mPendingFollowupVO;


    public MyRecyclerViewAdapter(List<PendingFollowupVO> mpendingfollow) {
        mPendingFollowupVO = mpendingfollow;
        setHasStableIds(true);

    }

    //A ViewHolder object stores each of the component views inside the tag field of the Layout,
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_pending_follow_up, parent, false);
       ViewHolder viewHolder=new ViewHolder(view);
        //ViewDataBinding viewDataBinding = DataBindingUtil.inflate(LayoutInflater.from(parent.getContext()),R.layout.layout_pending_follow_up,parent,false);
        return viewHolder;
    }
    // It will specified the postion of the elements
    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {




        //ViewDataBinding viewDataBinding=holder.getViewDataBinding;
        //List<String> newList = new ArrayList<String>(new HashSet<String>(customerIdlist));
        final PendingFollowupVO mpendingfollow = mPendingFollowupVO.get(position);
        holder.linearLayout.setTag(mPendingFollowupVO.get(position));

        holder.bal.setText(null);
        holder.invam.setText(null);
        holder.customerName.setText(null);
        holder.promised.setText(null);
        holder.invpfu.setText(null);


        if (holder != null) {


            setValue(mpendingfollow.getCustomerName(),mpendingfollow.getCustomerId(), holder.linearLayout, holder.customerName);

            holder.invpfu.setText(mpendingfollow.getInvoiceNo());
            holder.promised.setText(mpendingfollow.getPromisedDate());
            holder.due.setText(mpendingfollow.getDueDate());
            holder.invam.setText(CashPunditUtils.formatAmount(mpendingfollow.getInvAmount()));
            holder.bal.setText(CashPunditUtils.formatAmount(mpendingfollow.getBalAmount()));



        }
    }
    void setValue(String cnam,long mpendingfollow,LinearLayout linearLayout,TextView cn) {

            if (customerId!=(mpendingfollow)) {
                showViews(linearLayout, cn,cnam);
                cn.setText(cnam);
                customerId=mpendingfollow;
            }
         else
            hideViews(linearLayout, cn);
    }
    private void showViews(LinearLayout layout, View seperator,String cnn) {
        layout.setVisibility(View.VISIBLE);
        seperator.setVisibility(View.VISIBLE);

    }

    private void hideViews(LinearLayout row, View seperator) {
        row.setVisibility(View.GONE); // if there is a empty space change it with View.GONE
        seperator.setVisibility(View.GONE);
    }



    @Override
    public int getItemCount() {
        return mPendingFollowupVO.size();
    }
    @Override
    public int getItemViewType(int position) {
        return position;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }
    class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {

        public int position;


        protected TextView customerName, invpfu, due, promised, invam, bal;
        LinearLayout linearLayout;

        public ViewHolder(View view) {

            super(view);
            this.linearLayout = (LinearLayout) itemView.findViewById(R.id.head3);
            this.customerName = (TextView) itemView.findViewById(R.id.customernamepfu);
            this.invpfu = (TextView) itemView.findViewById(R.id.inv);
            this.due = (TextView) itemView.findViewById(R.id.due2);
            this.promised = (TextView) itemView.findViewById(R.id.prom);
            this.invam = (TextView) itemView.findViewById(R.id.over);
            this.bal = (TextView) itemView.findViewById(R.id.bal);
            view.setOnClickListener(this);

        }


        @Override
        public void onClick(View v) {
            mFragmentActionListener.setFragmentTitle("Communication");
            CommunicationFragment fragment = new CommunicationFragment();
            FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
            FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
            fragmentTransaction.replace(R.id.home_container, fragment);
            fragmentTransaction.addToBackStack(null);
            fragmentTransaction.commit();
            Toast.makeText(getActivity(),"ooooo",Toast.LENGTH_LONG).show();
        }

    }

}

Model类是

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:background="#FFDFDFDF"
    android:layout_height="wrap_content">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="20dp"
        android:id="@+id/head3"
        android:layout_marginTop="3dp"
        >
        <TextView
            android:layout_width="match_parent"
            android:layout_height="20dp"
            android:text="@{mPendingFollowupVO.customerName}"
            android:background="#2F75B5"
            android:textColor="#ffff"
            android:textSize="14dp"
            android:id="@+id/customernamepfu"
            android:textAlignment="center"/>
    </LinearLayout>
    <LinearLayout
        android:layout_marginTop="2dp"
        android:layout_width="match_parent"
        android:layout_below="@+id/head3"
        android:id="@+id/head4"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="65dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="13dp"
            android:text="Invoice#"
            android:layout_marginRight="1dp"
            android:background="#b1c1da"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="80dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="13dp"
            android:layout_marginRight="1dp"
            android:text="Due On"
            android:background="#b1c1da"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="85dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="13dp"
            android:text="Promised"
            android:layout_marginRight="1dp"
            android:background="#b1c1da"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="70dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="13dp"
            android:text="Inv amount"
            android:layout_marginRight="1dp"
            android:background="#b1c1da"
            android:textColor="#000"
            android:textAlignment="center"
            android:id="@+id/textView" />
        <TextView
            android:layout_width="75dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="13dp"
            android:text="Balance "
            android:background="#b1c1da"
            android:textColor="#000"
            android:textAlignment="center"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/head5"
        android:layout_below="@+id/head4"
        android:layout_marginBottom="1dp"
        android:layout_marginTop="0dp"
        >
        <TextView
            android:layout_width="65dp"
            android:layout_height="25dp"
            android:text="@{mPendingFollowupVO.invoiceNo}"
            android:id="@+id/inv"
            android:paddingTop="5dp"
            android:textSize="12dp"
            android:layout_marginRight="2dp"
            android:background="#ffff"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="80dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="12dp"
            android:id="@+id/due2"
            android:text="@{mPendingFollowupVO.dueDate}"
            android:layout_marginRight="1dp"
            android:background="#ffff"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="85dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="12dp"
            android:id="@+id/prom"
            android:layout_marginRight="1dp"
            android:text="@{mPendingFollowupVO.promisedDate}"
            android:background="#ffff"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="70dp"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="12dp"
            android:text="@{Double.toString(mPendingFollowupVO.invAmount)}"
            android:id="@+id/bal"
            android:layout_marginRight="1dp"
            android:background="#ffff"
            android:textColor="#000"
            android:textAlignment="center"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="25dp"
            android:paddingTop="5dp"
            android:textSize="12dp"
            android:id="@+id/over"
            android:text="@{Double.toString(mPendingFollowupVO.balAmount)}"
            android:background="#ffff"
            android:textColor="#000"
            android:textAlignment="center"/>
    </LinearLayout>
</RelativeLayout>

Recyclerview项目在向上和向下滚动时受到干扰

0 个答案: