Setting recylerview to contains 3 times in every screen size devices.

item_home.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/clItem"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginBottom="1dp">

    <ImageView
        android:id="@+id/ivLocationImage"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="fitXY"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <RelativeLayout
        android:layout_height="match_parent"
        android:id="@+id/relative_holder"
        android:layout_width="match_parent"
        android:background="@mipmap/gradient_back"
        android:padding="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <ImageView
            android:layout_width="@dimen/_30sdp"
            android:layout_height="@dimen/_30sdp"
            android:layout_alignParentRight="true"
            android:layout_marginRight="@dimen/_5sdp"
            android:visibility="gone"
            android:id="@+id/iv_fav"/>


        <com.app.realestate.utils.views.NexaBoldTextView
            android:id="@+id/tvLocation"
            android:textSize="@dimen/_12ssp"
            android:layout_width="wrap_content"
            android:layout_above="@id/tvPrice"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/_8sdp"
            android:text="Watteren"
            android:textColor="@android:color/white"
            android:textStyle="bold" />

        <com.app.realestate.utils.views.NexaBoldTextView
            android:id="@+id/tvPrice"
            android:textSize="@dimen/_12ssp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_above="@id/tvPriceValue"
            android:layout_marginTop="@dimen/_2sdp"
            android:text="4 beds,2 baths"
            android:textColor="@android:color/white"
            android:textStyle="bold" />

        <com.app.realestate.utils.views.NexaBoldTextView
            android:id="@+id/tvPriceValue"
            android:textSize="@dimen/_12ssp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_marginTop="@dimen/_2sdp"
            android:text="€285.00"
            android:textColor="@android:color/white"
            android:textStyle="bold" />


        <com.app.realestate.utils.views.NexaBoldTextView
            android:id="@+id/tvCityName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_alignParentBottom="true"
            android:layout_marginTop="@dimen/_2sdp"
            android:text="2000-xyz"
            android:textColor="@android:color/white"
            android:textSize="@dimen/_12ssp"
            android:textStyle="bold" />
    </RelativeLayout>


</android.support.constraint.ConstraintLayout>

MyAdapter.kt

package com.app.demo.adapter

import android.app.Activity
import android.content.Context
import android.support.constraint.ConstraintLayout
import android.support.v7.widget.RecyclerView
import android.util.DisplayMetrics
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.app.demo.R
import com.app.demo.callBack.ItemSelectedListener
import com.app.demo.callBack.RecyclerBottomReached
import com.app.demo.pojo.getproperties.Properties_list
import com.google.gson.Gson
import com.squareup.picasso.Picasso
import kotlinx.android.synthetic.main.item_home.view.*


class MyAdapter(private var myDataset: MutableList<Properties_list>, private var activity: Context?,
                private var onItemClicked: ItemSelectedListener?,private var bottomReached: RecyclerBottomReached?) : RecyclerView.Adapter<MyAdapter.MyViewHolder>() {

    class MyViewHolder(val layout: ConstraintLayout) : RecyclerView.ViewHolder(layout)

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
        val textView = LayoutInflater.from(parent.context).inflate(R.layout.item_home, parent, false) as ConstraintLayout
        return MyViewHolder(textView)
    }

    // Replace the contents of a view (invoked by the layout manager)
    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
        val displayMetrics = DisplayMetrics()
        (activity as Activity).windowManager.defaultDisplay.getMetrics(displayMetrics)
        val height = displayMetrics.heightPixels

        holder.layout.layoutParams.height = height / 3

        if(myDataset[position].property_photos.size>0) {
            Picasso.get().load(myDataset[position].property_photos[0].image_url).into(holder.layout.ivLocationImage)
        }
        holder.layout.tvLocation.text = myDataset[position].property_streetname
        if(!myDataset[position].property_bedrooms.equals("--") && (!myDataset[position].property_bathrooms.equals("--"))) {
            holder.layout.tvPrice.text = myDataset[position].property_bedrooms + " " + (activity as Activity).resources.getString(R.string.beds) + " " + myDataset[position].property_bathrooms + " " + (activity as Activity).resources.getString(R.string.baths)
        }else{
            holder.layout.tvPrice.visibility= View.GONE
        }

        if ((myDataset[position].property_price.equals("")) || (myDataset[position].property_price.equals("0"))) {
            holder.layout.tvPriceValue.text = (activity as Activity).resources.getString(R.string.no_price_available)
        } else {
            holder.layout.tvPriceValue.text = (activity as Activity).resources.getString(R.string.currency) + myDataset[position].property_price
        }

        holder.layout.tvCityName.text = myDataset[position].property_display_city

        holder.layout.ivLocationImage.setOnClickListener {
            Log.d("Selected", " " + myDataset[position]);
            val gson = Gson()
            val name = gson.toJson(myDataset[position])
            onItemClicked?.selectedItem(name, position)
        }

        if (position==(myDataset.size-1)){
            var count: Int= 0
            count +=1
            bottomReached!!.bottomReached(count.toString())
        }
    }

    // Return the size of your dataset (invoked by the layout manager)
    override fun getItemCount() = myDataset.size
}