tachiyomi/app/src/main/res/layout/manga_info_header.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.motion.widget.MotionLayout 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="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    app:layoutDescription="@xml/manga_info_header_scene"
    tools:context=".ui.browse.source.browse.BrowseSourceController">

    <ImageView
        android:id="@+id/backdrop"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginBottom="-8dp"
        android:alpha="0.2"
        android:scaleType="centerCrop"
        app:layout_constraintBottom_toBottomOf="@+id/manga_cover"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:background="@mipmap/ic_launcher" />

    <View
        android:id="@+id/backdrop_overlay"
        android:layout_width="match_parent"
        android:layout_height="160dp"
        android:layout_marginBottom="-16dp"
        android:background="@drawable/manga_info_gradient"
        android:backgroundTint="?android:attr/colorBackground"
        app:layout_constraintBottom_toBottomOf="@+id/backdrop" />

    <ImageView
        android:id="@+id/manga_cover"
        android:layout_width="100dp"
        android:layout_height="0dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="48dp"
        android:background="@drawable/rounded_rectangle"
        android:contentDescription="@string/description_cover"
        android:maxWidth="100dp"
        android:scaleType="centerCrop"
        app:layout_constraintDimensionRatio="w,3:2"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:layout_height="133dp"
        tools:src="@mipmap/ic_launcher" />

    <LinearLayout
        android:id="@+id/manga_detail"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="@+id/manga_cover"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/manga_cover">

        <TextView
            android:id="@+id/manga_full_title"
            style="@style/TextAppearance.Medium.Title"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="4dp"
            android:gravity="bottom"
            android:maxLines="3"
            android:text="@string/manga_info_full_title_label"
            android:textIsSelectable="false"
            app:autoSizeMaxTextSize="20sp"
            app:autoSizeMinTextSize="12sp"
            app:autoSizeStepGranularity="2sp"
            app:autoSizeTextType="uniform" />

        <TextView
            android:id="@+id/manga_author"
            style="@style/TextAppearance.Regular.Body1.Secondary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textIsSelectable="false"
            tools:text="Author" />

        <TextView
            android:id="@+id/manga_artist"
            style="@style/TextAppearance.Regular.Body1.Secondary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="4dp"
            android:textIsSelectable="false"
            tools:text="Artist" />

        <LinearLayout
            android:id="@+id/manga_status_row"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/manga_status"
                style="@style/TextAppearance.Regular.Body1.Secondary"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:ellipsize="end"
                android:maxLines="1"
                android:textIsSelectable="false"
                tools:text="Status" />

            <TextView
                style="@style/TextAppearance.Regular.Body1.Secondary"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="4dp"
                android:layout_marginEnd="4dp"
                android:text="•"
                android:textIsSelectable="false"
                tools:ignore="HardcodedText" />

            <TextView
                android:id="@+id/manga_source"
                style="@style/TextAppearance.Regular.Body1.Secondary"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:ellipsize="end"
                android:maxLines="1"
                android:textIsSelectable="false"
                tools:text="Source" />

        </LinearLayout>

    </LinearLayout>

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_favorite"
        style="@style/Theme.Widget.Button.Action"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/add_to_library"
        app:icon="@drawable/ic_favorite_border_24dp"
        app:layout_constraintEnd_toStartOf="@+id/btn_tracking"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/backdrop" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_tracking"
        style="@style/Theme.Widget.Button.Action"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/manga_tracking_tab"
        android:visibility="gone"
        app:icon="@drawable/ic_sync_24dp"
        app:layout_constraintEnd_toStartOf="@+id/btn_webview"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/btn_favorite"
        app:layout_constraintTop_toTopOf="@+id/btn_favorite"
        tools:visibility="visible" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_webview"
        style="@style/Theme.Widget.Button.Action"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/action_web_view"
        android:visibility="gone"
        app:icon="@drawable/ic_public_24dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/btn_tracking"
        app:layout_constraintTop_toTopOf="@+id/btn_favorite"
        tools:visibility="visible" />

    <TextView
        android:id="@+id/manga_summary_text"
        style="@style/TextAppearance.Regular.Body1.Secondary"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        android:clickable="true"
        android:focusable="true"
        android:maxLines="2"
        android:textIsSelectable="false"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_favorite"
        tools:text="Collapsed summary content Collapsed summary content Collapsed summary content Collapsed summary content Collapsed summary content Collapsed summary content" />

    <View
        android:id="@+id/manga_info_toggle_more_scrim"
        android:layout_width="20dp"
        android:layout_height="0dp"
        android:background="@drawable/manga_info_more_gradient"
        android:backgroundTint="?android:attr/colorBackground"
        app:layout_constraintBottom_toBottomOf="@+id/manga_info_toggle_more"
        app:layout_constraintEnd_toStartOf="@+id/manga_info_toggle_more"
        app:layout_constraintTop_toTopOf="@+id/manga_info_toggle_more" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/manga_info_toggle_more"
        style="@style/Theme.Widget.Button.TextButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingStart="8dp"
        android:paddingEnd="16dp"
        android:text="@string/manga_info_expand"
        android:textAlignment="viewEnd"
        app:layout_constraintBottom_toBottomOf="@+id/manga_summary_text"
        app:layout_constraintEnd_toEndOf="parent" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/manga_info_toggle_less"
        style="@style/Theme.Widget.Button.TextButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:paddingStart="8dp"
        android:paddingEnd="16dp"
        android:text="@string/manga_info_collapse"
        android:textAlignment="viewEnd"
        android:visibility="gone"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/manga_summary_text"
        tools:visibility="visible" />

    <HorizontalScrollView
        android:id="@+id/manga_genres_tags_compact"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:requiresFadingEdge="horizontal"
        android:scrollbars="none"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/manga_summary_text">

        <com.google.android.material.chip.ChipGroup
            android:id="@+id/manga_genres_tags_compact_chips"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingStart="16dp"
            android:paddingTop="8dp"
            android:paddingEnd="16dp"
            android:paddingBottom="8dp"
            app:chipSpacingHorizontal="4dp"
            app:singleLine="true" />

    </HorizontalScrollView>

    <com.google.android.material.chip.ChipGroup
        android:id="@+id/manga_genres_tags_full_chips"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"
        android:visibility="gone"
        app:chipSpacingHorizontal="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/manga_info_toggle_less"
        tools:visibility="visible" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/manga_summary_section"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="manga_summary_text,manga_info_toggle_more,manga_info_toggle_more_scrim,manga_genres_tags_compact" />

</androidx.constraintlayout.motion.widget.MotionLayout>