item_pokemon.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="2dp"
    app:cardCornerRadius="@dimen/cardview_default_radius"
    app:cardElevation="@dimen/cardview_default_elevation"
    app:cardUseCompatPadding="true">

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="16dp"
        android:paddingLeft="8dp"
        android:paddingRight="8dp"
        android:paddingTop="16dp">

        <TextView
            android:id="@+id/tv_pokemon_id"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@color/white"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:text="#001"/>

        <ImageView
            android:id="@+id/iv_pokemon"
            android:layout_width="70dp"
            android:layout_height="70dp"
            android:layout_marginTop="8dp"
            android:contentDescription="@string/iv_pokemon_cd"
            app:layout_constraintLeft_toRightOf="parent"
            app:layout_constraintRight_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/tv_pokemon_id"
            tools:src="@drawable/pokedex"/>

        <TextView
            android:id="@+id/tv_pokemon"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="8dp"
            android:textColor="@color/white"
            app:layout_constraintLeft_toRightOf="parent"
            app:layout_constraintRight_toLeftOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/iv_pokemon"
            tools:text="Bulbasaur"/>

    </android.support.constraint.ConstraintLayout>

</android.support.v7.widget.CardView>