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appset.java
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appset.java
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package com.example.cart;
import android.os.Bundle;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.room.Room;
import java.util.List;
public class cartdata extends AppCompatActivity {
RecyclerView recview;
TextView rateview;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cartdata);
getSupportActionBar().hide();
rateview=findViewById(R.id.rateview);
getroomdata();
}
public void getroomdata()
{
AppDatabase db = Room.databaseBuilder(getApplicationContext(),
AppDatabase.class, "cart_db").allowMainThreadQueries().build();
ProductDao productDao = db.ProductDao();
recview=findViewById(R.id.recview);
recview.setLayoutManager(new LinearLayoutManager(this));
List<Product> products=productDao.getallproduct();
myadapter adapter=new myadapter(products, rateview);
recview.setAdapter(adapter);
int sum=0,i;
for(i=0;i< products.size();i++)
sum=sum+(products.get(i).getPrice()*products.get(i).getQnt());
rateview.setText("Total Amount : INR "+sum);
}
}