Signal-Android/app/src/main/res/layout/message_details_header.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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:id="@+id/group_media_card"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingTop="24dp"
        android:paddingBottom="32dp">

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp">

            <ViewStub
                android:id="@+id/message_details_header_message_view_update"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout="@layout/conversation_item_update"/>

            <ViewStub
                android:id="@+id/message_details_header_message_view_sent_multimedia"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout="@layout/conversation_item_sent_multimedia"/>

            <ViewStub
                android:id="@+id/message_details_header_message_view_received_multimedia"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                tools:visibility="visible"
                android:layout="@layout/conversation_item_received_multimedia"/>

        </FrameLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginStart="@dimen/dsl_settings_gutter"
            android:layout_marginEnd="@dimen/dsl_settings_gutter"
            tools:visibility="visible">

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/message_details_header_error_text"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:visibility="gone"
                android:textSize="16sp"
                android:padding="5dp"
                tools:visibility="visible"
                android:text="@string/message_details_header__issues_need_your_attention"
                android:drawablePadding="4dp"
                app:drawableStartCompat="@drawable/ic_info_outline_message_details_24"
                android:gravity="center_vertical" />

            <com.google.android.material.button.MaterialButton
                android:id="@+id/message_details_header_resend_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                style="@style/Signal.Widget.Button.Medium.Tonal"
                android:layout_gravity="center_vertical"
                app:icon="@drawable/ic_refresh_white_18dp"
                android:text="@string/message_recipients_list_item__resend"
                android:visibility="gone"
                tools:visibility="visible" />

        </LinearLayout>

        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/message_details_header_message_metadata"
            android:layout_marginTop="12dp"
            android:layout_marginStart="@dimen/dsl_settings_gutter"
            android:layout_marginEnd="@dimen/dsl_settings_gutter"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/message_details_header_sent_time"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                tools:text="@string/message_details_header__sent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />


            <TextView
                android:id="@+id/message_details_header_received_time"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                tools:text="@string/message_details_header__received"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/message_details_header_sent_time" />

            <TextView
                android:id="@+id/message_details_header_expires_in"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                tools:text="@string/message_details_header__disappears"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/message_details_header_received_time" />

            <TextView
                android:id="@+id/message_details_header_transport"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                tools:text="@string/message_details_header__via"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/message_details_header_expires_in" />

        </androidx.constraintlayout.widget.ConstraintLayout>

    </LinearLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:layout_marginBottom="8dp"
        android:layout_gravity="bottom"
        android:background="@color/signal_inverse_transparent_05" />

</FrameLayout>