res/layout/pin_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2015 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="@dimen/pin_dialog_width"
    android:layout_height="wrap_content"
    android:paddingTop="19dp"
    android:paddingBottom="24dp"
    android:paddingStart="24dp"
    android:paddingEnd="24dp"
    android:elevation="8dp"
    android:background="@drawable/pin_dialog_background">

    <TextView
        android:id="@+id/wrong_pin"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:lineSpacingExtra="@dimen/pin_dialog_text_line_spacing"
        android:textSize="@dimen/pin_dialog_text_size"
        android:textColor="@color/pin_dialog_text_color"
        android:fontFamily="@string/font"
        android:visibility="invisible"
        android:singleLine="false"/>

    <LinearLayout
        android:id="@+id/enter_pin"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <TextView
            android:id="@+id/title"
            android:layout_width="@dimen/pin_dialog_title_width"
            android:layout_height="wrap_content"
            android:layout_marginBottom="7dp"
            android:lineSpacingExtra="@dimen/pin_dialog_text_line_spacing"
            android:textSize="@dimen/pin_dialog_text_size"
            android:textColor="@color/pin_dialog_text_color"
            android:fontFamily="@string/font"
            android:singleLine="false" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="144dp"
            android:paddingStart="24dp"
            android:paddingEnd="24dp"
            android:gravity="center"
            android:orientation="horizontal">

            <view class="com.android.tv.dialog.PinDialogFragment$PinNumberPicker"
                android:id="@+id/first"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />

            <view class="com.android.tv.dialog.PinDialogFragment$PinNumberPicker"
                android:id="@+id/second"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="8dp" />

            <view class="com.android.tv.dialog.PinDialogFragment$PinNumberPicker"
                android:id="@+id/third"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="8dp" />

            <view class="com.android.tv.dialog.PinDialogFragment$PinNumberPicker"
                android:id="@+id/fourth"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="8dp" />
        </LinearLayout>
    </LinearLayout>
</FrameLayout>