优化

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

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

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

@@ -6,5 +6,12 @@ import io.legado.app.base.BaseViewModel
 
 class ImportBookViewModel(application: Application) : BaseViewModel(application) {
 
+    fun addToBookshelf(uriList: HashSet<String>) {
+
+    }
+
+    fun deleteDoc(uriList: HashSet<String>) {
+
+    }
 
 }