优化

app/src/main/java/io/legado/app/ui/importbook/ImportBookActivity.kt

@@ -69,10 +69,14 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
             goBackDir()
         }
         btn_add_book.onClick {
-            viewModel.addToBookshelf(adapter.selectedUris)
+            viewModel.addToBookshelf(adapter.selectedUris) {
+                upPath()
+            }
         }
         btn_delete.onClick {
-            viewModel.deleteDoc(adapter.selectedUris)
+            viewModel.deleteDoc(adapter.selectedUris) {
+                upPath()
+            }
         }
         cb_selected_all.onClick {
             adapter.selectAll(cb_selected_all.isChecked)

app/src/main/java/io/legado/app/ui/importbook/ImportBookViewModel.kt

@@ -1,17 +1,25 @@
 package io.legado.app.ui.importbook
 
 import android.app.Application
+import android.net.Uri
+import androidx.documentfile.provider.DocumentFile
 import io.legado.app.base.BaseViewModel
 
 
 class ImportBookViewModel(application: Application) : BaseViewModel(application) {
 
-    fun addToBookshelf(uriList: HashSet<String>) {
+    fun addToBookshelf(uriList: HashSet<String>, finally: () -> Unit) {
 
     }
 
-    fun deleteDoc(uriList: HashSet<String>) {
-
+    fun deleteDoc(uriList: HashSet<String>, finally: () -> Unit) {
+        execute {
+            uriList.forEach {
+                DocumentFile.fromSingleUri(context, Uri.parse(it))?.delete()
+            }
+        }.onFinally {
+            finally.invoke()
+        }
     }
 
 }