...

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

@@ -262,6 +262,7 @@ class DocumentFragment(
             uiMode = UI_MODE_SEARCH
             (requireActivity() as MainActivity).callback.isEnabled = true
 
+            binding.card.elevation = 0f
             binding.tvTittle.visibility = View.INVISIBLE
             binding.ivPaixu.visibility = View.INVISIBLE
             binding.ivXuanze.visibility = View.INVISIBLE
@@ -281,6 +282,7 @@ class DocumentFragment(
             uiMode = UI_MODE_NORMAL
             (requireActivity() as MainActivity).callback.isEnabled = false
 
+            binding.card.elevation = resources.getDimension(R.dimen.dp_5)
             binding.editSearch.visibility = View.INVISIBLE
             binding.flFanhui.visibility = View.INVISIBLE
             binding.flSearch.visibility = View.INVISIBLE

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

@@ -61,10 +61,15 @@ class DocumentPageFragment() : BaseFragment<FragmentDocumentPageBinding>(), Docu
         super.setListener()
         binding.swipeRefreshLayout.setOnRefreshListener {
             binding.swipeRefreshLayout.isRefreshing = true
-            refreshData()
+            binding.llEmpty.visibility = View.INVISIBLE
+            binding.progressBar.visibility = View.VISIBLE
+            binding.progressBar.isIndeterminate = true
+            refreshData(false)
             lifecycleScope.launch(Dispatchers.Main) {
-                delay(1500)
+                delay(900)
                 binding.swipeRefreshLayout.isRefreshing = false
+                binding.progressBar.visibility = View.GONE
+                binding.llEmpty.isVisible = isEmpty
             }
         }
     }
@@ -75,7 +80,10 @@ class DocumentPageFragment() : BaseFragment<FragmentDocumentPageBinding>(), Docu
         refreshData()
     }
 
-    fun refreshData() = lifecycleScope.launch(Dispatchers.IO) {
+
+    var isEmpty: Boolean = false
+    fun refreshData(showEmpty: Boolean = true) = lifecycleScope.launch(Dispatchers.IO) {
+        isEmpty = false
         if (isInitialized && !isHidden && !MainPresenter.mainRefreshData) {
             LogEx.logDebug(TAG, "type=$type refreshData dataType=$dataType")
             val mainActivity = (requireActivity() as MainActivity?)
@@ -95,14 +103,16 @@ class DocumentPageFragment() : BaseFragment<FragmentDocumentPageBinding>(), Docu
             }
 
             launch(Dispatchers.Main) {
-                binding.llEmpty.isVisible = arrayList.isEmpty()
+                if (showEmpty) {
+                    binding.llEmpty.isVisible = arrayList.isEmpty()
+                }
 
                 val flag = AdmobHelper.isShowRvNativeAd()
                 LogEx.logDebug(TAG, "isShowRvNativeAd flag=$flag")
 
                 if (arrayList.isEmpty()) {
+                    isEmpty = true
                     binding.flAd.visibility = View.VISIBLE
-
                     if (flag) {
                         AdmobNativeUtils.showNativeAd(requireActivity(), binding.flAd, R.layout.layout_admob_document)
                     }

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

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@color/white"
     tools:context=".ui.main.DocumentPageFragment">
 
     <LinearLayout
@@ -11,6 +12,18 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
+        <ProgressBar
+            android:indeterminateDuration="1600"
+            android:id="@+id/progressBar"
+            style="@style/Widget.AppCompat.ProgressBar.Horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:indeterminate="true"
+            android:indeterminateBehavior="cycle"
+            android:indeterminateTint="#00B8DE"
+            android:indeterminateTintMode="src_atop"
+            android:visibility="gone" />
+
         <FrameLayout
             android:id="@+id/fl_ad"
             android:layout_width="match_parent"

app/src/main/res/values/dimens.xml

@@ -5,4 +5,5 @@
     <dimen name="dp_200">200dp</dimen>
     <dimen name="dp_146">146dp</dimen>
     <dimen name="dp_345">345dp</dimen>
+    <dimen name="dp_5">5dp</dimen>
 </resources>
\ No newline at end of file