FairEmail/app/src/main/res/layout/dialog_duration.xml

<?xml version="1.0" encoding="utf-8"?>
<eu.faircode.email.ScrollViewEx 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="wrap_content"
    android:fadeScrollbars="false"
    android:padding="24dp"
    android:scrollbarStyle="outsideOverlay">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <TextView
            android:id="@+id/tvDuration"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Thursday 28 February 2019 06:45 am"
            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
            android:textStyle="bold"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/btn1hour"
            style="?android:attr/buttonStyleSmall"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="12dp"
            android:text="@string/title_1hour"
            app:layout_constraintEnd_toStartOf="@+id/btn1day"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/tvDuration" />

        <Button
            android:id="@+id/btn1day"
            style="?android:attr/buttonStyleSmall"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="12dp"
            android:text="@string/title_1day"
            app:layout_constraintEnd_toStartOf="@+id/btn1week"
            app:layout_constraintStart_toEndOf="@id/btn1hour"
            app:layout_constraintTop_toBottomOf="@id/tvDuration" />

        <Button
            android:id="@+id/btn1week"
            style="?android:attr/buttonStyleSmall"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="12dp"
            android:text="@string/title_1week"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@id/btn1day"
            app:layout_constraintTop_toBottomOf="@id/tvDuration" />

        <TimePicker
            android:id="@+id/timePicker"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:timePickerMode="spinner"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHeight_max="180dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/btn1hour" />

        <DatePicker
            android:id="@+id/datePicker"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:calendarViewShown="false"
            android:datePickerMode="spinner"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHeight_max="180dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/timePicker" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</eu.faircode.email.ScrollViewEx>