Signal-Android/app/src/main/res/layout/time_duration_picker_dialog.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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layoutDirection="ltr">


    <LinearLayout
        android:id="@+id/duration_layout"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:background="@color/signal_colorSurfaceVariant"
        android:gravity="center_horizontal"
        android:orientation="horizontal"
        android:paddingVertical="8dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <TextView
            android:id="@+id/duration_hour"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:textAppearance="@style/Signal.Text.HeadlineLarge"
            android:textColor="@color/signal_colorOnSurfaceVariant"
            tools:text="01" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:text="@string/TimeDurationPickerDialog_single_letter_hour_abbreviation"
            android:textAppearance="@style/Signal.Text.BodySmall"
            android:textColor="@color/signal_colorOnSurfaceVariant" />

        <TextView
            android:id="@+id/duration_minute"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:gravity="center_horizontal"
            android:textAppearance="@style/Signal.Text.HeadlineLarge"
            android:textColor="@color/signal_colorOnSurfaceVariant"
            tools:text="01" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:text="@string/TimeDurationPickerDialog_single_letter_minute_abbreviation"
            android:textAppearance="@style/Signal.Text.BodySmall"
            android:textColor="@color/signal_colorOnSurfaceVariant" />

    </LinearLayout>

    <TextView
        android:id="@+id/duration_header"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="12dp"
        android:paddingHorizontal="16dp"
        android:text="@string/TimeDurationPickerDialog_minimum_duration_warning"
        android:textColor="@color/signal_colorOnSurface"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/duration_layout" />

    <org.thoughtcrime.securesms.components.NumericKeyboardView
        android:id="@+id/duration_keyboard"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/duration_header" />

</androidx.constraintlayout.widget.ConstraintLayout>