<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <io.legado.app.ui.widget.page.ContentView
        android:id="@+id/content_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="invisible" />

    <io.legado.app.ui.widget.page.PageView
        android:id="@+id/page_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />


    <io.legado.app.ui.readbook.ReadMenu
        android:id="@+id/read_menu"
            android:layout_width="match_parent"
        android:layout_height="match_parent"
            android:visibility="gone" />

</androidx.constraintlayout.widget.ConstraintLayout>