update ui

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

@@ -15,10 +15,12 @@
         app:layout_constraintTop_toTopOf="parent"
         app:title="搜索" />
 
-    <io.legado.app.ui.widget.anima.RefreshProgressBar
+    <com.google.android.material.progressindicator.LinearProgressIndicator
         android:id="@+id/refresh_progress_bar"
         android:layout_width="match_parent"
         android:layout_height="2dp"
+        android:visibility="gone"
+        android:indeterminate="true"
         app:layout_constraintTop_toBottomOf="@id/title_bar" />
 
     <io.legado.app.ui.widget.dynamiclayout.DynamicFrameLayout