tachiyomi/app/src/main/res/layout/track_chapters_dialog.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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <eu.kanade.tachiyomi.widget.MinMaxNumberPicker
        android:id="@+id/chapters_picker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        app:max="9999"
        app:min="0" />

</LinearLayout>