feat: 优化代码

app/src/main/java/io/legado/app/utils/DocumentUtils.kt

@@ -98,7 +98,7 @@ object DocumentUtils {
                     DocumentsContract.Document.COLUMN_LAST_MODIFIED,
                     DocumentsContract.Document.COLUMN_SIZE,
                     DocumentsContract.Document.COLUMN_MIME_TYPE
-                ), null, null, null
+                ), null, null, DocumentsContract.Document.COLUMN_DISPLAY_NAME
             )
             c?.let {
                 val ici = c.getColumnIndex(DocumentsContract.Document.COLUMN_DOCUMENT_ID)

app/src/main/res/menu/main_bnv.xml

@@ -4,20 +4,20 @@
     tools:showIn="bottom_navigation_view">
 
     <item
-            android:id="@+id/menu_bookshelf"
-            android:icon="@drawable/ic_bottom_books"
-            android:title="@string/bookshelf"/>
+        android:id="@+id/menu_bookshelf"
+        android:icon="@drawable/ic_bottom_books"
+        android:title="@string/bookshelf" />
     <item
-            android:id="@+id/menu_find_book"
+        android:id="@+id/menu_find_book"
         android:icon="@drawable/ic_bottom_explore"
-            android:title="@string/find"/>
+        android:title="@string/find" />
     <item
-            android:id="@+id/menu_rss"
-            android:icon="@drawable/ic_bottom_rss_feed"
-            android:title="@string/rss" />
+        android:id="@+id/menu_rss"
+        android:icon="@drawable/ic_bottom_rss_feed"
+        android:title="@string/rss" />
     <item
-            android:id="@+id/menu_my_config"
-            android:icon="@drawable/ic_bottom_person"
-            android:title="@string/my"/>
+        android:id="@+id/menu_my_config"
+        android:icon="@drawable/ic_bottom_person"
+        android:title="@string/my" />
 
 </menu>