1.У меня есть утилита, как элементы заказа электронной корзины / продуктов, в которых я добавляю количество каждого элемента с помощью кнопок (+) и (-), тогда как я могу получить значение каждого элемента с названием элемента, количество предметов и количество.
2.Как я могу сохранить полученные значения из представления переработчика в локальной базе данных.
// Это мой класс адаптера
package com.myapplication.chaiwalacustomer.adapter;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import com.myapplication.chaiwalacustomer.R;
import com.myapplication.chaiwalacustomer.model.TeaListPOJO;
import com.myapplication.chaiwalacustomer.utils.AppConstants;
import com.myapplication.chaiwalacustomer.utils.Base64;
import java.util.List;
public class TeaListAdapter extends RecyclerView.Adapter<TeaListAdapter.MyViewHolder> {
//private int num=0;
private List<TeaListPOJO> teaItemList;
private Context mContext;
private Cursor cursor;
public class MyViewHolder extends RecyclerView.ViewHolder {
public TextView tvitemName, tvitemRate,number;
public ImageView ivItemImg;
public Button btnIncrease,btnDecrease;
RecyclerView.ViewHolder holder;
public MyViewHolder(View view) {
super(view);
tvitemName = (TextView) view.findViewById(R.id.txt_item_name);
tvitemRate = (TextView) view.findViewById(R.id.txt_item_price);
ivItemImg= (ImageView) view.findViewById (R.id.iv_item);
number=(TextView) view.findViewById (R.id.integer_number);
btnIncrease =view.findViewById(R.id.btn_increase);
btnDecrease = view.findViewById(R.id.btn_decrease);
}
}
public TeaListAdapter(List<TeaListPOJO> teaItemList) {
this.mContext=mContext;
this.cursor=cursor;
this.teaItemList = teaItemList;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.rv_placeorder_items, parent, false);
return new MyViewHolder (itemView);
}
@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
TeaListPOJO tealist = teaItemList.get(position);
holder.tvitemName.setText(tealist.getItemName ());
holder.tvitemRate.setText(AppConstants.INDIAN_RUPEE_SIGN.concat (tealist.getItemRate ()));
// holder.number.setText (tealist.getQty ());
//num=Integer.parseInt (tealist.getQty ());
//String title = ((TextView) recyclerView.findViewHolderForAdapterPosition(position).itemView.findViewById(R.id.title)).getText().toString();
holder.btnIncrease.setOnClickListener (new View.OnClickListener () {
@Override
public void onClick(View view) {
int num=0;
try{
num = Integer.parseInt(holder.number.getText().toString());
}catch(Exception e) {
num = 0;
}
num++;
holder.number.setText ((num+""));
notifyDataSetChanged();
}
});
holder.btnDecrease.setOnClickListener (new View.OnClickListener () {
@Override
public void onClick(View view) {
int num=0;
try{
num = Integer.parseInt(holder.number.getText().toString());
}catch(Exception e) {
num = 0;
}
if(num>0)
num--;
holder.number.setText ((num+""));
notifyDataSetChanged();
}
});
byte[] decodedString = new byte[0];
try {
decodedString = Base64.decode(tealist.getImageStr(), Base64.DEFAULT);
// tenantModelPOJO.setLogo(decodedString);
Bitmap bmp = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
holder.ivItemImg.setImageBitmap(Bitmap.createScaledBitmap(bmp, 50, 50,false));
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public int getItemCount() {
return teaItemList.size();
}
}
// Это моя деятельность
public class PlaceOrderActivity extends AppCompatActivity implements AppConstants, View.OnClickListener, WLAPIcalls.OnAPICallCompleteListener {
private List<TeaListPOJO> teaList = new ArrayList<> ();
private RecyclerView recyclerView;
private TeaListAdapter mAdapter;
private View view;
int count=0;
private Context mContext = PlaceOrderActivity.this;
private int itemCount;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView (R.layout.activity_place_order);
setRecyclerView (view);
getallTeaItems();
// prepareMovieData();
}
List<TeaListPOJO> getTeaItemList(String str) {
Gson gson = new Gson ();
Type listType = new TypeToken<List<TeaListPOJO>> () {
}.getType ();
List<TeaListPOJO> myModelList = gson.fromJson (str, listType);
return myModelList;
}
private List<TeaListPOJO> getallTeaItems() {
if (new AppCommonMethods (mContext).isNetworkAvailable ()) {
WLAPIcalls mAPIcall = new WLAPIcalls (mContext, getString (R.string.getTeaItem), this);
mAPIcall.GetTeaItemList ();
} else {
Toast.makeText (mContext, R.string.no_internet, Toast.LENGTH_SHORT).show ();
}
return null;
}
void setRecyclerView(View view){
recyclerView = (RecyclerView) findViewById (R.id.recycler_view);
mAdapter = new TeaListAdapter (teaList);
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager (getApplicationContext ());
recyclerView.setLayoutManager (mLayoutManager);
recyclerView.setItemAnimator (new DefaultItemAnimator ());
recyclerView.setAdapter (mAdapter);
}
@Override
public void onClick(View view) {
for(int i=0;i<itemCount;i++)
{
view=recyclerView.getChildAt(i); // This will give you entire row(child) from RecyclerView
if(view!=null)
{
EditText editText= (EditText) view.findViewById(R.id.et_time);
String text=editText.getText().toString();
if (text.equals(i)){
// Do your stuff, after comparison
}
}
}
}
@Override
public void onAPICallCompleteListner(Object item, String flag, String result) throws JSONException {
if (getString (R.string.getTeaItem).equals (flag)) {
Log.e ("Result", result);
teaList = getTeaItemList (result);
setRecyclerView (view);
}
}
}