.....

app/src/main/AndroidManifest.xml

@@ -190,6 +190,16 @@
             </intent-filter>
         </receiver>
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
         <meta-data
             android:name="com.google.android.gms.ads.APPLICATION_ID"
             android:value="ca-app-pub-3838048042416287~2725136264" />

app/src/main/java/com/base/pdfreader2/trtgr/main/AAADumentFragment.kt

@@ -222,12 +222,15 @@ class AAADumentFragment() : Baragment<FragmentUmentBinding>() {
     }
 
     fun getSelectItems(): List<DocumeewewntBean> {
-        return adapter.items.filter { it.isSelect }
+        if (isInitialized) {
+            return adapter.items.filter { it.isSelect }
+        }
+        return listOf()
     }
 
     fun removeList(list: List<DocumeewewntBean>) {
-        list.forEach {
-            adapter.remove(it)
+        if (isInitialized) {
+            list.forEach { adapter.remove(it) }
         }
     }
 

app/src/main/res/xml/file_paths.xml

+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <cache-path
+        name="cache_files"
+        path="." />
+    <external-path
+        name="extern_files"
+        path="." />
+    <files-path
+        name="files"
+        path="." />
+</paths>