更新界面

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

@@ -2,7 +2,8 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
         android:id="@+id/refresh_layout"
@@ -17,27 +18,13 @@
 
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-    <LinearLayout
-        android:id="@+id/tv_empty_msg"
+    <io.legato.kazusa.ui.widget.EmptyMessageView
+        android:id="@+id/emptyView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:visibility="gone"
-        android:orientation="vertical"
+        android:visibility="visible"
         android:layout_gravity="center"
-        android:layout_margin="16dp"
-        android:gravity="center">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="(๑`^´๑)"
-            android:textSize="32sp" />
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_margin="8dp"
-            android:text="@string/bookshelf_empty" />
-    </LinearLayout>
-
+        app:messageText="@string/bookshelf_empty"/>
 
 </FrameLayout>