<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/month_picker_dialog"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center">

        <LinearLayout
            android:id="@+id/number_spinners"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">

            <NumberPicker
                android:id="@+id/month_picker"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="3dp"
                android:descendantFocusability="blocksDescendants"
                android:layout_marginEnd="3dp" />

            <NumberPicker
                android:id="@+id/year_picker"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="3dp"
                android:descendantFocusability="blocksDescendants"
                android:layout_marginStart="3dp" />

        </LinearLayout>

</RelativeLayout>