我想根据数量计算每个项目的行总数。我的问题是我想从1开始每行增加但是如果我在第一行增加例如从1到5然后在下一行它从6开始，但我希望它从1开始。我怎么解决这个问题？
代码是：
OrderScreenActivity.java
package com.example.veer.quickpos.activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.example.veer.quickpos.R;
import com.example.veer.quickpos.adapter.ListAdapter;
import com.example.veer.quickpos.adapter.ListItemAdapter;
import com.example.veer.quickpos.utility.Utils;
import com.example.veer.quickpos.utils.app.Constants;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
/**
* Created by Veer on 12/07/2016.
*/
public class OrderScreenActivity extends BaseActivity {
public static String CmpId, GroupID, GroupName, UnderGroupId, ParentGroupName,ItemID,ItemName,CategoryID,SellingPrice;
public static ArrayList<String> CmpIdList, GroupIDList, GroupNameList, UnderGroupIdList, ParentGroupNameList;
public static LinearLayout ll;
public EditText edtitem;
public ListView lstitem;
public ListView listItemqty;
public static String item;
ListAdapter adapter;
public int total;
ListItemAdapter adapter2;
public static ArrayList<String> nameList,priceLIst,ItemIDList,ItemNameList,CategoryIDList,SellingPriceList,qtyList;
ProgressDialog pDialog;
/**
* ATTENTION: This was auto-generated to implement the App Indexing API.
* See https://g.co/AppIndexing/AndroidStudio for more information.
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_order);
lstitem = (ListView)findViewById(R.id.lstitem);
edtitem = (EditText)findViewById(R.id.edtitem);
listItemqty = (ListView)findViewById(R.id.listviewItem);
makeJsonStringRequest();
}
public void makeJsonStringRequest() {
String URL = Utils.BASE_URL + Utils.GET_GROUP + Utils.AUTH_KEY;
Log.e("URL =>", URL);
StringRequest stringRequest = new StringRequest(Request.Method.GET, URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
Log.i("Response", response);
JSONArray mResponse = new JSONArray(response);
CmpIdList = new ArrayList<String>();
GroupIDList = new ArrayList<String>();
GroupNameList = new ArrayList<String>();
UnderGroupIdList = new ArrayList<String>();
ParentGroupNameList = new ArrayList<String>();
if (mResponse.length() != 0) {
for (int i = 0; i < mResponse.length(); i++) {
JSONObject obj = mResponse.optJSONObject(i);
CmpId = obj.optString("CmpId");
GroupID = obj.optString("GroupID");
GroupName = obj.optString("GroupName");
UnderGroupId = obj.optString("UnderGroupId");
ParentGroupName = obj.optString("ParentGroupName");
Log.d("CmpId", "" + CmpId);
Log.d("GroupID", "" + GroupID);
Log.d("GroupName", "" + GroupName);
Log.d("UnderGroupId", "" + UnderGroupId);
Log.d("ParentGroupName", "" + ParentGroupName);
CmpIdList.add(CmpId);
GroupIDList.add(GroupID);
GroupNameList.add(GroupName);
UnderGroupIdList.add(UnderGroupId);
ParentGroupNameList.add(ParentGroupName);
/*GetGodowns getGodowns = new GetGodowns();
getGodowns.setGoDownId(_id);
getGodowns.setName(_name);
getGodowns.setDate(CurrentDate);
getGodowns.setSyncData(_Sync);
listGetGodowns.add(getGodowns);*/
}
for (int i = 0; i < CmpIdList.size(); i++) {
ll = (LinearLayout) findViewById(R.id.llgroup);
ll.setOrientation(LinearLayout.HORIZONTAL);
Button txv = new Button(OrderScreenActivity.this);
txv.setWidth(290);
txv.setHeight(180);
txv.setTextColor(getResources().getColor(R.color.darksky));
txv.setText(GroupNameList.get(i));
ll.addView(txv);
txv.setTextSize(15);
txv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d("in onclick:","");
item = edtitem.getText().toString();
Log.d("value of edittext text:",""+item);
makeJsonStringRequestItem(item);
}
});
Log.d("Id of textview :", "" + txv.getId());
}
//myDbHelper.InsertGoDown(listGetGodowns);
// bindSpinnerData();
hideProgress();
// myDbHelper.InsertGoDown(listGetGodowns);
// bindSpinnerData();
// hideProgress();
}
hideProgress();
Log.e(Constants.TAG, "GetTill response => " + mResponse.toString(4));
} catch (Exception e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
hideProgress();
Toast.makeText(OrderScreenActivity.this, "Error in fetching data, PLease try again", Toast.LENGTH_LONG).show();
Log.v("Error String Request", "" + error.toString());
}
}) {
@Override
protected Map<String, String> getParams() {
return new HashMap<>();
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
showProgress();
}
public void makeJsonStringRequestItem(String Item) {
Log.d("item group id in item api:",""+GroupID);
String URL = Utils.BASE_URL + Utils.GET_ITEMS + Utils.AUTH_KEY +"&ItemName="+ Item +"&GroupId=0";
Log.e("URL =>", URL);
StringRequest stringRequest = new StringRequest(Request.Method.GET, URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
Log.i("Response", response);
JSONArray mResponse = new JSONArray(response);
CmpIdList = new ArrayList<String>();
ItemIDList = new ArrayList<String>();
ItemNameList = new ArrayList<String>();
CategoryIDList = new ArrayList<String>();
SellingPriceList = new ArrayList<String>();
if (mResponse.length() != 0) {
for (int i = 0; i < mResponse.length(); i++) {
JSONObject obj = mResponse.optJSONObject(i);
CmpId = obj.optString("CmpId");
ItemID = obj.optString("ItemID");
ItemName = obj.optString("ItemName");
CategoryID = obj.optString("CategoryID");
SellingPrice = obj.optString("SellingPrice");
Log.d("CmpId", "" + CmpId);
Log.d("ItemID", "" + ItemID);
Log.d("ItemName", "" + ItemName);
Log.d("CategoryID", "" + CategoryID);
Log.d("SellingPrice", "" + SellingPrice);
CmpIdList.add(CmpId);
ItemIDList.add(ItemID);
ItemNameList.add(ItemName);
CategoryIDList.add(CategoryID);
SellingPriceList.add(SellingPrice);
/*GetGodowns getGodowns = new GetGodowns();
getGodowns.setGoDownId(_id);
getGodowns.setName(_name);
getGodowns.setDate(CurrentDate);
getGodowns.setSyncData(_Sync);
listGetGodowns.add(getGodowns);*/
}
Log.d("Itemnamelist value:",ItemNameList.toString());
Log.d("SellingPriceList value:",SellingPriceList.toString());
adapter = new ListAdapter(OrderScreenActivity.this,ItemNameList,SellingPriceList);
lstitem.setAdapter(adapter);
adapter2 = new ListItemAdapter(OrderScreenActivity.this,ItemNameList,SellingPriceList);
listItemqty.setAdapter(adapter2);
for (int i = 0; i < CmpIdList.size(); i++) {
ll = (LinearLayout) findViewById(R.id.llgroup);
ll.setOrientation(LinearLayout.HORIZONTAL);
Button txv = new Button(OrderScreenActivity.this);
txv.setWidth(290);
txv.setHeight(180);
txv.setTextColor(getResources().getColor(R.color.darksky));
txv.setText(GroupNameList.get(i));
ll.addView(txv);
txv.setTextSize(15);
txv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
Log.d("Id of textview :", "" + txv.getId());
txv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
//myDbHelper.InsertGoDown(listGetGodowns);
// bindSpinnerData();
hideProgress();
// myDbHelper.InsertGoDown(listGetGodowns);
// bindSpinnerData();
// hideProgress();
}
hideProgress();
Log.e(Constants.TAG, "Getgroup item response => " + mResponse.toString(4));
} catch (Exception e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
hideProgress();
Toast.makeText(OrderScreenActivity.this, "Error in fetching data, PLease try again", Toast.LENGTH_LONG).show();
Log.v("Error String Request", "" + error.toString());
}
}) {
@Override
protected Map<String, String> getParams() {
return new HashMap<>();
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
showProgress();
}
private void showProgress() {
pDialog = new ProgressDialog(OrderScreenActivity.this);
pDialog.setMessage("Wait a moment");
pDialog.setCancelable(false);
pDialog.show();
}
private void hideProgress() {
if (null != pDialog) {
pDialog.dismiss();
}
}
}
ListItemAdapter
package com.example.veer.quickpos.adapter;
import android.app.Activity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.example.veer.quickpos.R;
import java.util.ArrayList;
public class ListItemAdapter extends BaseAdapter {
Activity context;
public ArrayList<String> NameList;
public ArrayList<String> PriceList;
public ArrayList<String> totalList;
public int flag;
public static int qty;
public static ArrayList<String> qtyList;
public int total,grandtotal;
public ListItemAdapter(Activity a, ArrayList<String> nameList,ArrayList<String> plist) {
this.context = a;
this.NameList = nameList;
this.PriceList = plist;
}
/*private view holder class*/
class ViewHolder {
public TextView txtname,txtprice,txttotal;
public TextView txtqty;
public Button btnplus, btnminus;
}
public View getView(final int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
final LayoutInflater mInflater = (LayoutInflater)
context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = mInflater.inflate(R.layout.activity_item_qty, null);
holder = new ViewHolder();
holder.btnplus = (Button) convertView.findViewById(R.id.btnplus);
holder.btnplus.setTag(position);
holder.btnminus = (Button) convertView.findViewById(R.id.btnminus);
holder.txtname = (TextView) convertView.findViewById(R.id.item);
holder.txtqty = (TextView) convertView.findViewById(R.id.itemqty);
holder.txtqty.setTag(R.id.itemqty,position);
holder.txtprice = (TextView) convertView.findViewById(R.id.txtprice);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
qtyList = new ArrayList<String>();
Log.d("Total row:",""+getCount());
Log.d("current position:",""+position);
Log.d("Item name at position:", "" + position + NameList.get(position));
holder.txtname.setText(NameList.get(position));
holder.txtprice.setText(PriceList.get(position));
holder.txtqty.setText(String.valueOf(flag));
// qty = Integer.parseInt(holder.txtqty.getText().toString());
// qtyList.add(String.valueOf(qty));
qty=1;
Log.d("value of qty before button plus click:",""+qty);
Log.d("value of flag before button plus click:",""+flag);
// final int pos=(Integer)convertView.getTag();
holder.btnplus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int total = 0;
flag = qty;
Log.d("value of flag in button plus :",""+flag);
int itempos = holder.txtqty.getId();
holder.txtqty.setText(String.valueOf(flag));
Log.d("value of textqty in button plus :",""+holder.txtqty.getText().toString());
int pos=(Integer)v.getTag();
total = total + (Integer.parseInt(PriceList.get(pos))* (Integer.parseInt(holder.txtqty.getText().toString())));
Log.d("value of total in button plus :",""+total);
flag++;
}
});
holder.btnminus.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(qty>0) {
qty = qty - 1;
Log.d("Value of qty in minus button:", "" + qty);
holder.txtqty.setText(String.valueOf(qty));
total = total + (Integer.parseInt(PriceList.get(position)) * (qty));
Log.d("total is:", "" + total);
}
}
});
return convertView;
}
@Override
public int getCount() {
return NameList.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return position;
}
}
在适配器中我在btnplus点击事件中为计数器做了代码。我想在textview txtqty的每一行中设置数量1，并且在每行中从1开始增量并根据数量我将得到总数但是如果在第一行我设置数量5从下一个加号按钮增加它从6开始但是我希望它从第一行的1开始我如何解决它？