emoji_item_v2.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/iv_emoji"
        android:layout_width="32dp"
        android:layout_height="32dp"
        android:layout_marginTop="26dp"
        android:src="@drawable/ico_default_img_fang">
    </ImageView>

</RelativeLayout>