WordPress/src/main/res/layout/reader_follow_button.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/frame_follow_button"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="?android:selectableItemBackground"
    android:orientation="horizontal"
    android:paddingBottom="@dimen/margin_small"
    android:paddingLeft="@dimen/margin_small"
    android:paddingRight="@dimen/margin_small"
    android:paddingTop="@dimen/margin_small">

    <ImageView
        android:id="@+id/image_follow_button"
        android:layout_width="@dimen/reader_follow_icon"
        android:layout_height="@dimen/reader_follow_icon"
        android:layout_gravity="center_vertical"
        app:srcCompat="@drawable/reader_follow" />

    <org.wordpress.android.widgets.WPTextView
        android:id="@+id/text_follow_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_vertical"
        android:layout_marginLeft="@dimen/margin_small"
        android:gravity="center"
        android:text="@string/reader_btn_follow"
        android:textColor="@color/reader_follow_button_text"
        android:textSize="@dimen/text_sz_medium" />

</LinearLayout>