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

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="?android:colorBackground"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <LinearLayout
        android:id="@+id/set_as_cover_layout"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:paddingLeft="16dp"
        android:paddingStart="16dp"
        android:paddingRight="16dp"
        android:paddingEnd="16dp"
        android:gravity="center"
        android:clickable="true"
        android:focusable="true"
        android:foreground="?attr/selectableItemBackground">

        <ImageView
            android:layout_width="24dp"
            android:layout_height="24dp"
            app:srcCompat="@drawable/ic_image_black_24dp"
            android:tint="@color/md_white_1000_54"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="32dp"
            android:layout_marginStart="32dp"
            android:text="@string/set_as_cover"/>

    </LinearLayout>

    <LinearLayout
        android:id="@+id/share_layout"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:paddingLeft="16dp"
        android:paddingStart="16dp"
        android:paddingRight="16dp"
        android:paddingEnd="16dp"
        android:gravity="center"
        android:clickable="true"
        android:focusable="true"
        android:foreground="?attr/selectableItemBackground">

        <ImageView
            android:layout_width="24dp"
            android:layout_height="24dp"
            app:srcCompat="@drawable/ic_share_grey_24dp"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="32dp"
            android:layout_marginStart="32dp"
            android:text="@string/action_share"/>

    </LinearLayout>

    <LinearLayout
        android:id="@+id/save_layout"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:paddingLeft="16dp"
        android:paddingStart="16dp"
        android:paddingRight="16dp"
        android:paddingEnd="16dp"
        android:gravity="center"
        android:clickable="true"
        android:focusable="true"
        android:foreground="?attr/selectableItemBackground">

        <ImageView
            android:layout_width="24dp"
            android:layout_height="24dp"
            app:srcCompat="@drawable/ic_file_download_black_24dp"
            android:tint="@color/md_white_1000_54"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="32dp"
            android:layout_marginStart="32dp"
            android:text="@string/action_save"/>

    </LinearLayout>

</LinearLayout>