...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/main/DocumentFragment.kt

@@ -208,9 +208,7 @@ class DocumentFragment(
 
             (requireActivity() as MainActivity).changeSelectUI(true)
 
-            if (currentPage is DocumentPageFragment) {
-                (currentPage as DocumentPageFragment).changeSelectUi(true)
-            }
+            currentPage.changeSelectUi(true)
         } else {
             binding.viewPager2.isUserInputEnabled = true
             (requireActivity() as MainActivity).callback.isEnabled = false
@@ -232,9 +230,7 @@ class DocumentFragment(
     }
 
     private fun changePageSelect(select: Boolean) {
-        if (currentPage is DocumentPageFragment) {
-            (currentPage as DocumentPageFragment).changItemSelect(select)
-        }
+        currentPage.changItemSelect(select)
     }
 
 
@@ -247,6 +243,7 @@ class DocumentFragment(
             binding.ivPaixu.visibility = View.INVISIBLE
             binding.ivXuanze.visibility = View.INVISIBLE
             binding.llMainContent.visibility = View.INVISIBLE
+            binding.llEmpty.visibility=View.INVISIBLE
 
             binding.flFanhui.visibility = View.VISIBLE
             binding.editSearch.visibility = View.VISIBLE

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

@@ -3,8 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".ui.main.RecentFragment">
+    android:layout_height="match_parent">
 
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/cl_top"