优化

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -95,6 +95,7 @@ object PreferKey {
     const val uploadRule = "uploadRule"
     const val tocUiUseReplace = "tocUiUseReplace"
     const val enableReadRecord = "enableReadRecord"
+    const val localBookImportSort = "localBookImportSort"
     const val customWelcome = "customWelcome"
     const val welcomeImage = "welcomeImagePath"
     const val welcomeImageDark = "welcomeImagePathDark"
@@ -103,6 +104,7 @@ object PreferKey {
     const val welcomeShowIcon = "welcomeShowIcon"
     const val welcomeShowIconDark = "welcomeShowIconDark"
 
+
     const val cPrimary = "colorPrimary"
     const val cAccent = "colorAccent"
     const val cBackground = "colorBackground"

app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt

@@ -12,6 +12,7 @@ import androidx.documentfile.provider.DocumentFile
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.databinding.ActivityImportBookBinding
 import io.legado.app.databinding.DialogEditTextBinding
@@ -80,18 +81,9 @@ class ImportBookActivity : VMBaseActivity<ActivityImportBookBinding, ImportBookV
             R.id.menu_select_folder -> selectFolder.launch()
             R.id.menu_scan_folder -> scanFolder()
             R.id.menu_import_file_name -> alertImportFileName()
-            R.id.menu_sort_name -> {
-                viewModel.sort = 0
-                upSort()
-            }
-            R.id.menu_sort_size -> {
-                viewModel.sort = 1
-                upSort()
-            }
-            R.id.menu_sort_time -> {
-                viewModel.sort = 2
-                upSort()
-            }
+            R.id.menu_sort_name -> upSort(0)
+            R.id.menu_sort_size -> upSort(1)
+            R.id.menu_sort_time -> upSort(2)
         }
         return super.onCompatOptionsItemSelected(item)
     }
@@ -203,7 +195,9 @@ class ImportBookActivity : VMBaseActivity<ActivityImportBookBinding, ImportBookV
             .request()
     }
 
-    private fun upSort() {
+    private fun upSort(sort: Int) {
+        viewModel.sort = sort
+        putPrefInt(PreferKey.localBookImportSort, sort)
         if (scanDocJob?.isCancelled == true || scanDocJob?.isCompleted == true) {
             viewModel.dataCallback?.setItems(adapter.getItems())
         }

app/src/main/java/io/legado/app/ui/book/local/ImportBookViewModel.kt

@@ -4,11 +4,9 @@ import android.app.Application
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import io.legado.app.base.BaseViewModel
+import io.legado.app.constant.PreferKey
 import io.legado.app.model.localBook.LocalBook
-import io.legado.app.utils.DocumentUtils
-import io.legado.app.utils.FileDoc
-import io.legado.app.utils.isContentScheme
-import io.legado.app.utils.toastOnUi
+import io.legado.app.utils.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
@@ -24,7 +22,7 @@ import java.util.*
 
 class ImportBookViewModel(application: Application) : BaseViewModel(application) {
     private val bookFileRegex = Regex("(?i).*\\.(txt|epub|umd)")
-    var sort = 0
+    var sort = context.getPrefInt(PreferKey.localBookImportSort)
     var dataCallback: DataCallback? = null
     var dataFlowStart: (() -> Unit)? = null
     val dataFlow = callbackFlow<List<FileDoc>> {