问题描述
我在我的android项目中创建了一个嵌套的recyclerView，但是当我在第二个recyclerview中时，按下返回按钮以隐藏键盘。第二组的项目会自动添加到第一组的末尾。
用于第一个“回收者视图”的适配器。
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.example.hrisv001.OutletOrdersSKUWiseActivity;
import com.example.hrisv001.R;
import com.example.hrisv001.api.OutletList;
import com.example.hrisv001.api.SKUList;
import com.example.hrisv001.api.SKU_Brands_List;
import com.example.hrisv001.utils.SqlLiteHelper;
import java.util.ArrayList;
import java.util.List;
public class SKUListAdapter extends RecyclerView.Adapter<SKUListAdapter.HolderView>{
private List<SKUList> skulist;
private List<SKU_Brands_List> sku_brands_lists=new ArrayList<>();
Item_List_Adapter adapter;
private Context context;
public static SqlLiteHelper sqlLiteHelper;
public SKUListAdapter(List<SKUList> skulist,Context context)
{
this.skulist=skulist;
this.context=context;
setHasStableIds(true);
}
@NonNull
@Override
public SKUListAdapter.HolderView onCreateViewHolder(@NonNull ViewGroup parent,int viewType) {
View layout= LayoutInflater.from(parent.getContext()).inflate(R.layout.sku_wise_list_style,parent,false);
context=parent.getContext();
return new HolderView(layout);
}
@Override
public void onBindViewHolder(@NonNull final SKUListAdapter.HolderView holder,final int position) {
holder.txt_sku_name.setText(skulist.get(position).getSKUName());
final RecyclerView list_itemname_sku=holder.list_itemname;
final LinearLayout ll_itemlist=holder.ll_skuname;
sqlLiteHelper=new SqlLiteHelper(context,"SLMG_EMS.sqlite",null,1);
final SQLiteDatabase databaseabplhee=sqlLiteHelper.getReadableDatabase();
holder.cview_step1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
for (int i=0;i<skulist.size();i++)
{
if (i!=position)
{
ll_itemlist.setVisibility(View.GONE);
}
}
if (skulist.get(position).getExpanded() == null || skulist.get(position).getExpanded() == false) {
if (skulist.get(position).getValueAdded() == null || skulist.get(position).getValueAdded() == false) {
sku_brands_lists.clear();
String query = "SELECT DISTINCT(ITEMID) AS ITEMIDD,ITEMNAME,MRPCOST FROM TB_SKU_WISE_ITEMS WHERE PACKSIZE='" + skulist.get(position).getSKUName().trim() + "'";
Cursor cursor = databaseabplhee.rawQuery(query,null);
cursor.moveToFirst();
while (!cursor.isAfterLast()) {
sku_brands_lists.add(new SKU_Brands_List(cursor.getString(cursor.getColumnIndex("ITEMIDD")),cursor.getString(cursor.getColumnIndex("ITEMNAME")),cursor.getString(cursor.getColumnIndex("MRPCOST")),0.0));
cursor.moveToNext();
}
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(
list_itemname_sku.getContext(),LinearLayoutManager.VERTICAL,false
);
skulist.get(position).setValueAdded(true);
list_itemname_sku.setHasFixedSize(true);
list_itemname_sku.setLayoutManager(linearLayoutManager);
adapter = new Item_List_Adapter(sku_brands_lists,context);
list_itemname_sku.setAdapter(adapter);
ll_itemlist.setVisibility(View.VISIBLE);
skulist.get(position).setValueAdded(true);
} else {
ll_itemlist.setVisibility(View.VISIBLE);
}
skulist.get(position).setExpanded(true);
} else {
if (skulist.get(position).getValueAdded() == true) {
ll_itemlist.setVisibility(View.GONE);
skulist.get(position).setExpanded(false);
}
}
}
});
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getItemViewType(int position) {
return position;
}
@Override
public int getItemCount() {
return skulist.size();
}
class HolderView extends RecyclerView.ViewHolder{
TextView txt_sku_name;
LinearLayout ll_skuname;
RecyclerView list_itemname;
CardView cview_step1;
HolderView(View itemView)
{
super(itemView);
cview_step1=itemView.findViewById(R.id.cview_step1);
txt_sku_name=itemView.findViewById(R.id.txt_sku_name);
ll_skuname=itemView.findViewById(R.id.ll_skuname);
list_itemname=itemView.findViewById(R.id.list_itemname);
}
}
}
用于第一个“回收者视图”的适配器。
import android.content.Context;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.example.hrisv001.ItemOpeningClosingActivity;
import com.example.hrisv001.OutletOrdersSKUWiseActivity;
import com.example.hrisv001.R;
import com.example.hrisv001.api.SKUList;
import com.example.hrisv001.api.SKU_Brands_List;
import com.example.hrisv001.utils.AppConstants;
import com.example.hrisv001.utils.SqlLiteHelper;
import java.util.List;
public class Item_List_Adapter extends RecyclerView.Adapter<Item_List_Adapter.HolderView> {
List<SKU_Brands_List> sku_brands_lists;
private Context context;
public static SqlLiteHelper sqlLiteHelper;
SharedPreferences sharedpreferences;
String empid;
public Item_List_Adapter(List<SKU_Brands_List> sku_brands_lists,Context context)
{
this.sku_brands_lists=sku_brands_lists;
this.context=context;
setHasStableIds(true);
}
@NonNull
@Override
public Item_List_Adapter.HolderView onCreateViewHolder(@NonNull ViewGroup parent,int viewType) {
View layout= LayoutInflater.from(parent.getContext()).inflate(R.layout.brand_wise_list_style,false);
return new HolderView(layout);
}
@Override
public void onBindViewHolder(@NonNull final Item_List_Adapter.HolderView holder,final int position) {
holder.tv_itemid.setText(sku_brands_lists.get(position).getITEMID());
holder.tv_brand_name.setText(sku_brands_lists.get(position).getITEMNAME());
holder.tv_brand_rate.setText(sku_brands_lists.get(position).getMRPCost());
final EditText itemqty_qty=holder.et_itm_quantityy;
holder.et_itm_quantityy.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s,int start,int count,int after) {
}
@Override
public void onTextChanged(CharSequence s,int before,int count) {
}
@Override
public void afterTextChanged(Editable s) {
OutletOrdersSKUWiseActivity itmop;
itmop = new OutletOrdersSKUWiseActivity();
itmop.deleteNinsertItemToTable(holder.tv_itemid.getText().toString(),holder.tv_brand_rate.getText().toString(),itemqty_qty.getText().toString(),holder.tv_brand_name.getText().toString());
/*
sqlLiteHelper.DeleteLikeFromItemQtyList(holder.tv_itemid.getText().toString());
try {
sqlLiteHelper.insertSKUWiseItemQtyList(holder.tv_itemid.getText().toString(),Double.parseDouble(holder.tv_brand_rate.getText().toString()),Double.parseDouble(itemqty_qty.getText().toString()));
}
catch (Exception e){
e.printStackTrace();
}
*/
/* double itemqtyy=0;
if (itemqty_qty.getText().toString().trim().equals(null)||itemqty_qty.getText().toString().trim().equals(""))
{
itemqtyy=0;
}
else
{
itemqtyy=Double.parseDouble(itemqty_qty.getText().toString());
}
sku_brands_lists.get(position).setQty(itemqtyy);*/
}
});
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getItemViewType(int position) {
return position;
}
@Override
public int getItemCount() {
return sku_brands_lists.size();
}
class HolderView extends RecyclerView.ViewHolder{
TextView tv_brand_name,tv_itemid,tv_brand_rate;
EditText et_itm_quantityy;
HolderView(View itemView)
{
super(itemView);
tv_brand_name=itemView.findViewById(R.id.tv_brand_name);
tv_itemid=itemView.findViewById(R.id.tv_itemid);
tv_brand_rate=itemView.findViewById(R.id.tv_brand_rate);
et_itm_quantityy=itemView.findViewById(R.id.et_itm_quantityy_itemwise);
}
}
}
解决方法
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