更新界面

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

@@ -55,29 +55,16 @@
         tools:listitem="@layout/item_find_book"
         app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
 
-    <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"
-        app:layout_anchor="@id/app_bar"
+        app:layout_anchor="@id/rv_find"
         app:layout_anchorGravity="center"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior"
         android:visibility="gone"
         android:orientation="vertical"
         android:layout_gravity="center"
-        android:layout_margin="16dp"
-        android:gravity="center">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="(っ˘ω˘ς )"
-            android:textSize="32sp" />
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_margin="8dp"
-            android:gravity="center"
-            android:text="@string/explore_empty" />
-    </LinearLayout>
+        android:gravity="center"
+        app:messageText="@string/explore_empty"/>
 
 </androidx.coordinatorlayout.widget.CoordinatorLayout>