优化

app/src/main/res/layout/dialog_bookmark.xml

@@ -1,9 +1,9 @@
 <?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"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical">
 
     <androidx.appcompat.widget.Toolbar
@@ -11,8 +11,8 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:theme="?attr/actionBarStyle"
-        app:title="@string/bookmark"
         app:popupTheme="@style/AppTheme.PopupOverlay"
+        app:title="@string/bookmark"
         app:titleTextAppearance="@style/ToolbarTitle" />
 
     <TextView
@@ -80,6 +80,7 @@
             android:layout_height="wrap_content"
             android:padding="12dp"
             android:text="@string/delete"
+            android:visibility="invisible"
             tools:ignore="RtlHardcoded" />
 
         <LinearLayout