优化

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

@@ -32,6 +32,7 @@
             android:id="@+id/recycler_view"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:clipToPadding="false"
             tools:listitem="@layout/item_search" />
 
     </io.legado.app.ui.widget.dynamiclayout.DynamicFrameLayout>
@@ -97,9 +98,9 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_margin="16dp"
+        android:contentDescription="@string/stop"
         android:src="@drawable/ic_stop_black_24dp"
         android:visibility="invisible"
-        android:contentDescription="@string/stop"
         app:fabSize="mini"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintRight_toRightOf="parent" />