open-keychain/OpenKeychain/src/main/res/layout/edit_subkey_expiry_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:paddingTop="16dp"
    android:paddingBottom="16dp"
    android:paddingLeft="24dp"
    android:paddingRight="24dp"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <CheckBox
        android:id="@+id/edit_subkey_expiry_no_expiry"
        android:checked="true"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/btn_no_date" />

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

        <TextView
            style="@style/SectionHeader"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/section_current_expiry" />

        <TextView
            android:id="@+id/edit_subkey_expiry_current_expiry"
            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
            android:padding="8dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />

        <TextView
            style="@style/SectionHeader"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/section_new_expiry" />

        <!--
            Use Spinner style DatePicker, not the full calendar view
            Android < 5:
                android:spinnersShown="true"
                android:calendarViewShown="false"
            Android >= 5:
                android:datePickerMode="spinner"
        -->
        <!-- Hide calendarView in tablets because of the unix warparound bug. -->
        <DatePicker
            android:id="@+id/edit_subkey_expiry_date_picker"
            android:layout_gravity="center_horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            tools:ignore="UnusedAttribute"
            android:datePickerMode="spinner"
            android:spinnersShown="true"
            android:calendarViewShown="false" />
    </LinearLayout>

</LinearLayout>