How to make Recyclerview with Recyclerview Adopter in android App ?

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 RecyclerView overview. The RecyclerView widget is a more advanced and flexible version of ListView. In the RecyclerView model, several different components work together to display your data. The overall container for your user interface is a RecyclerView object that you add to your layout.




New We Are Making first layout file in Recycleview 

<androidx.constraintlayout.widget.ConstraintLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/itemrecycylemen"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

</androidx.constraintlayout.widget.ConstraintLayout>
now we Are Recycle view layout file this file hold in recyclevie use agin and agin 
in a app.
<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:id="@+id/homelayoute"
    app:cardCornerRadius="10dp"
    android:layout_margin="5dp"
    android:background="@drawable/productebackground"
    android:layout_width="match_parent"
    android:layout_height="300dp"
    android:padding="2dp">
    <LinearLayout
        android:orientation="vertical"
        android:background="@drawable/productebackground"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        >


    <LinearLayout
        android:layout_weight="2"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_marginBottom="5dp"
        android:layout_height="wrap_content">
        <androidx.cardview.widget.CardView
            android:background="@drawable/buttonback"
            app:cardCornerRadius="10dp"

            android:layout_width="match_parent"
            android:layout_height="match_parent">
            <ImageView
                android:scaleType="fitXY"
                android:id="@+id/homrproductimg"
                android:src="@drawable/logo"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"/>

        </androidx.cardview.widget.CardView>

    </LinearLayout>
    <LinearLayout
        android:layout_gravity="center"
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <TextView
            android:gravity="center_vertical"
            android:layout_gravity="center"
            android:layout_weight="1"
            android:id="@+id/homeproductname"
            android:text="@string/ITEMNAME"
            android:textSize="15dp"
            android:textColor="@color/black"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>
        <ImageView
            android:layout_gravity="end"
            android:layout_width="28dp"
            android:layout_height="28dp"
            android:id="@+id/mostlikepost"
            android:src="@drawable/vector_heart_red"
            />

        <!--        <LinearLayout-->
        <!--            android:orientation="horizontal"-->
        <!--            android:layout_width="match_parent"-->
        <!--            android:layout_height="wrap_content">-->
        <!--            <TextView-->
        <!--                android:text="Available in:"-->
        <!--                android:textSize="18dp"-->
        <!--                android:textColor="@color/black"-->
        <!--                android:layout_width="wrap_content"-->
        <!--                android:layout_height="wrap_content"/>-->

        <!--            <TextView-->
        <!--                android:layout_marginLeft="5dp"-->
        <!--                android:text="1"-->
        <!--                android:textSize="18dp"-->
        <!--                android:textColor="@color/black"-->
        <!--                android:layout_width="wrap_content"-->
        <!--                android:layout_height="wrap_content"/>-->

        <!--        </LinearLayout>-->
        <!--        <LinearLayout-->
        <!--            android:background="@drawable/buttonback"-->
        <!--            android:gravity="center"-->
        <!--            android:layout_gravity="end"-->
        <!--            android:orientation="horizontal"-->
        <!--            android:layout_width="wrap_content"-->
        <!--            android:layout_height="30dp">-->
        <!--            <TextView-->
        <!--                android:id="@+id/addclick"-->
        <!--                android:textStyle="bold"-->
        <!--                android:background="@drawable/buttonback"-->
        <!--                android:text="Add"-->
        <!--                android:gravity="center"-->
        <!--                android:textSize="15dp"-->
        <!--                android:textColor="@color/White"-->
        <!--                android:layout_width="50dp"-->
        <!--                android:layout_height="wrap_content"/>-->

        <!--            <Button-->
        <!--                android:id="@+id/decrement"-->
        <!--                android:background="@drawable/buttonback"-->
        <!--                android:visibility="gone"-->
        <!--                android:text="-"-->
        <!--                android:textSize="18dp"-->
        <!--                android:textStyle="bold"-->
        <!--                android:textColor="@color/White"-->
        <!--                android:layout_width="30dp"-->
        <!--                android:layout_height="wrap_content"/>-->

        <!--            <TextView-->
        <!--                android:id="@+id/addvalue"-->
        <!--                android:visibility="gone"-->
        <!--                android:layout_marginLeft="5dp"-->
        <!--                android:text="0"-->
        <!--                android:textSize="18dp"-->
        <!--                android:textColor="@color/White"-->
        <!--                android:layout_width="wrap_content"-->
        <!--                android:layout_height="wrap_content"/>-->
        <!--            <Button-->
        <!--                android:id="@+id/increment"-->
        <!--                android:textStyle="bold"-->
        <!--                android:background="@drawable/buttonback"-->
        <!--                android:text="+"-->
        <!--                android:textSize="18dp"-->
        <!--                android:textColor="@color/White"-->
        <!--                android:layout_width="30dp"-->
        <!--                android:layout_height="wrap_content"/>-->

        <!--        </LinearLayout>-->
    </LinearLayout>

    <LinearLayout
        android:orientation="horizontal"
        android:layout_gravity="center"
        android:layout_width="match_parent"
        android:layout_height="20dp">
        <ImageView
            android:layout_gravity="center"
            android:layout_width="12dp"
            android:layout_height="12dp"
            android:src="@drawable/rupy"
            />
        <TextView
            android:layout_weight="2"
            android:textStyle="bold"
            android:gravity="start|center_vertical"
            android:text="390"
            android:textSize="15dp"
            android:textColor="@color/black"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>
        <TextView
            android:background="@drawable/substract"
            android:layout_weight="2"
            android:gravity="start|center_vertical"
            android:text="120"
            android:textSize="12dp"
            android:singleLine="true"
            android:textColor="@color/gray"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"/>
        <TextView
            android:layout_weight="1"
            android:gravity="start|center_vertical"
            android:text="(Included Tex)"
            android:textSize="12sp"
            android:textColor="@color/gray"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>

    </LinearLayout>
    </LinearLayout>
</androidx.cardview.widget.CardView>

Now we Are making Recycle view Adopter in this project
package com.vivid.myshop.home;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.fragment.app.FragmentActivity;
import androidx.recyclerview.widget.RecyclerView;

import com.vivid.myshop.R;
import com.vivid.myshop.fullcontantview.fullitemview;

import java.util.ArrayList;

import static com.vivid.myshop.R.id.homrproductimg;

public class homeAdopter extends RecyclerView.Adapter<homeAdopter.MyViewHolder>  {
    ArrayList personNames;
    ArrayList personImages;
    Activity fragmentActivity;
    homeItem[] homeItem;
    public static final String SHARED_PREF_NAME = "bucket";
    int a=0;
   // private Clickebucketvalue clickebucketvalue;
    public homeAdopter(Activity fragmentActivity, homeItem[] homeItem) {
        this.fragmentActivity=fragmentActivity;
        this.homeItem=homeItem;

    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        LayoutInflater layoutInflater=LayoutInflater.from(parent.getContext());
        View view=layoutInflater.inflate(R.layout.recycyleviewitem,parent,false);
        return new homeAdopter.MyViewHolder(view);

    }
    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, final int position) {
        final homeItem homeitem= homeItem[position];
        holder.productname.setText(homeItem[position].getProductName());
        holder.productImage.setImageResource(homeItem[position].getImageurl());
//    holder.itemView.setOnClickListener(new View.OnClickListener() {
//    @Override
//    public void onClick(View v) {
//        Intent intent=new Intent(fragmentActivity, fullitemview.class);
//        fragmentActivity.startActivity(intent);
//    }
//});
    }
    @Override
    public int getItemCount() {
        return homeItem.length;
    }


    public class MyViewHolder extends RecyclerView.ViewHolder {
        TextView productname,addclick;
        ImageView productImage;
        CardView homelayout;
        TextView peoducevalue;
      //  Button increment,decrement;
    //    final SharedPreferences sharedPreferences1 = fragmentActivity.getSharedPreferences(SHARED_PREF_NAME, Context.MODE_PRIVATE);
        //   public static final String b=" 0";
        public MyViewHolder(@NonNull View itemView) {
            super(itemView);
            productImage=itemView.findViewById(homrproductimg);
            productname=itemView.findViewById(R.id.homeproductname);
            homelayout=itemView.findViewById(R.id.homelayoute);
            peoducevalue=itemView.findViewById(R.id.addvalue);
//            increment=itemView.findViewById(R.id.increment);
//            decrement=itemView.findViewById(R.id.decrement);
//            addclick=itemView.findViewById(R.id.addclick);
//
//            increment.setOnClickListener(new View.OnClickListener() {
//                @Override
//                public void onClick(View v) {
//                    addclick.setVisibility(View.GONE);
//                    decrement.setVisibility(View.VISIBLE);
//                    a=a+1;
//                    if(a>=0)
//                    {
//                       sharedprefences();
//                        //Creating editor to store values to shared preferences
//                        peoducevalue.setVisibility(View.VISIBLE);
//                       // Toast.makeText(fragmentActivity,"Button clicked first time!"+a, Toast.LENGTH_LONG).show();
//                        peoducevalue.setText(""+a);
//                    }
//                    else
//                    {
//                    }
//                }
//            });
//            decrement.setOnClickListener(new View.OnClickListener() {
//                @Override
//                public void onClick(View v) {
//                 a=a-1;
//                 if(a>=0){
//                     peoducevalue.setText(""+a);
//                     sharedprefences();
//                     if(a==0){
//                        // peoducevalue.setText(""+0);
//                         decrement.setVisibility(View.GONE);
//                         peoducevalue.setVisibility(View.GONE);
//                       //  peoducevalue.setText(""+a);
//                         addclick.setVisibility(View.VISIBLE);
//                     }
//                 }
//                 else{
//                     Toast.makeText(fragmentActivity,"No Item Added In Card", Toast.LENGTH_LONG).show();
//                     decrement.setVisibility(View.GONE);
//                     peoducevalue.setVisibility(View.GONE);
//                     addclick.setVisibility(View.VISIBLE);
//                 }
//
//                }
//            });
        }




    }
//    public interface Clickebucketvalue{
//        void onClicked(homeItem item );
//    }

}
Now we Are Strat Codeing in Main Activity file 
package com.bspl.suriyasareeparselldelevery;

import androidx.appcompat.app.AppCompatActivity;
import androidx.cardview.widget.CardView;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
RecyclerView recyclerView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
recyclerView=findViewById(R.id.itemrecycylemen);
       homeItem[] homeItem=new homeItem[]{
        new homeItem("cloth","1","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","2","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","3","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","4","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","5","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","6","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","7","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","8","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),
        new homeItem("cloth","9","red","l",R.drawable.shop,"sdjfsdfhshffjskjdf"),

};
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext());
recyclerView.setLayoutManager(linearLayoutManager);
homeAdopter customAdapter = new homeAdopter(getActivity(), homeItem);
recyclerView.setAdapter(customAdapter);
    }
}
but if any wont to use Recycleview as a GridView in app
then use this code

GridLayoutManager gridLayoutManager = new GridLayoutManager(getContext(),2);
recyclerView.setLayoutManager(gridLayoutManager);
homeAdopter customAdapter = new homeAdopter(getActivity(), homeItem);
recyclerView.setAdapter(customAdapter);

click hear for next 

https://androidcoderak06.blogspot.com/2020/10/akm

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