Signal-Android/app/src/main/res/layout/exporting_sms_messages_fragment.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="match_parent"
    xmlns:tools="http://schemas.android.com/tools">

    <TextView
        android:id="@+id/headline"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="32dp"
        android:layout_marginTop="64dp"
        android:gravity="center"
        android:text="@string/ExportingSmsMessagesFragment__exporting_sms_messages"
        android:textAppearance="@style/Signal.Text.HeadlineLarge"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <!-- TODO [alex] - Final text -->
    <TextView
        android:id="@+id/description"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginHorizontal="32dp"
        android:layout_marginTop="24dp"
        android:gravity="center"
        tools:text="[WIP]"
        android:textAppearance="@style/Signal.Text.BodyLarge"
        android:textColor="@color/signal_colorOnSurfaceVariant"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/headline" />

    <com.google.android.material.progressindicator.LinearProgressIndicator
        android:id="@+id/progress"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintWidth_max="260dp" />

    <TextView
        app:layout_constraintTop_toBottomOf="@id/progress"
        android:gravity="center"
        android:layout_marginHorizontal="32dp"
        android:layout_marginTop="11dp"
        tools:text="Exporting 5 of 264..."
        android:id="@+id/progress_label"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textAppearance="@style/Signal.Text.BodySmall"
        android:textColor="@color/signal_colorOnSurfaceVariant" />

</androidx.constraintlayout.widget.ConstraintLayout>