session-android/res/layout/link_preview.xml

<?xml version="1.0" encoding="utf-8"?>
<merge
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <android.support.constraint.ConstraintLayout
        android:id="@+id/linkpreview_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="6dp"
        android:background="?linkpreview_background_color">

        <org.thoughtcrime.securesms.components.OutlinedThumbnailView
            android:id="@+id/linkpreview_thumbnail"
            android:layout_width="72dp"
            android:layout_height="0dp"
            android:scaleType="centerCrop"
            android:visibility="gone"
            app:layout_constraintBottom_toTopOf="@+id/linkpreview_divider"
            app:layout_constraintHeight_min="72dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@+id/linkpreview_title"
            tools:src="@drawable/ic_contact_picture"
            tools:visibility="visible" />

        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
            android:id="@+id/linkpreview_title"
            style="@style/Signal.Text.Body"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginEnd="8dp"
            android:layout_marginRight="8dp"
            android:ellipsize="end"
            android:fontFamily="sans-serif-medium"
            android:maxLines="2"
            android:textColor="?linkpreview_primary_text_color"
            app:layout_constraintEnd_toStartOf="@+id/linkpreview_close"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toEndOf="@+id/linkpreview_thumbnail"
            app:layout_constraintTop_toTopOf="parent"
            tools:text="Wall Crawler Strikes Again!" />

        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
            android:id="@+id/linkpreview_site"
            style="@style/Signal.Text.Caption"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="2dp"
            android:textAllCaps="true"
            android:textColor="?linkpreview_secondary_text_color"
            app:layout_constraintStart_toEndOf="@+id/linkpreview_thumbnail"
            app:layout_constraintTop_toBottomOf="@+id/linkpreview_title"
            tools:text="dailybugle.com" />

        <View
            android:id="@+id/linkpreview_divider"
            android:layout_width="0dp"
            android:layout_height="1dp"
            android:layout_marginStart="8dp"
            android:layout_marginLeft="8dp"
            android:layout_marginTop="6dp"
            android:background="?linkpreview_divider_color"
            android:visibility="gone"
            app:layout_constraintBottom_toBottomOf="@+id/linkpreview_thumbnail"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/linkpreview_thumbnail"
            app:layout_constraintTop_toBottomOf="@+id/linkpreview_site"
            app:layout_constraintVertical_bias="0.0"
            tools:visibility="visible" />

        <ImageView
            android:id="@+id/linkpreview_close"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginRight="6dp"
            android:layout_marginEnd="6dp"
            android:layout_marginTop="4dp"
            android:src="@drawable/ic_close_white_18dp"
            android:tint="@color/gray70"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:visibility="visible" />

        <com.pnikosis.materialishprogress.ProgressWheel
            android:id="@+id/linkpreview_progress_wheel"
            android:layout_width="match_parent"
            android:layout_height="72dp"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="8dp"
            android:indeterminate="true"
            android:padding="8dp"
            android:visibility="gone"
            app:layout_constraintBottom_toTopOf="@+id/linkpreview_divider"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:matProg_barColor="@color/core_blue"
            app:matProg_progressIndeterminate="true" />

    </android.support.constraint.ConstraintLayout>

</merge>