<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginRight="16dp"
    android:layout_marginEnd="16dp"
    android:orientation="vertical" >
    <ImageView 
        android:id="@+id/small_btn"
        android:layout_width="32dip"
        android:layout_height="32dip"
        android:adjustViewBounds="true"
        />

</LinearLayout>