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

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:padding="12dp">

    <TextView
        android:id="@+id/tvHours"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="@string/title_hours"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        android:textColor="?android:attr/textColorPrimary"
        app:layout_constraintEnd_toStartOf="@+id/tvDays"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tvDays"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="@string/title_days"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        android:textColor="?android:attr/textColorPrimary"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/tvHours"
        app:layout_constraintTop_toTopOf="parent" />

    <NumberPicker
        android:id="@+id/npHours"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        app:layout_constraintEnd_toEndOf="@id/tvHours"
        app:layout_constraintStart_toStartOf="@id/tvHours"
        app:layout_constraintTop_toBottomOf="@id/tvHours" />

    <NumberPicker
        android:id="@+id/npDays"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        app:layout_constraintEnd_toEndOf="@id/tvDays"
        app:layout_constraintStart_toStartOf="@id/tvDays"
        app:layout_constraintTop_toBottomOf="@id/tvDays" />

    <TextView
        android:id="@+id/tvTime"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginTop="12dp"
        android:text="Time"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/npDays" />
</androidx.constraintlayout.widget.ConstraintLayout>