优化

app/src/main/java/io/legado/app/data/AppDatabase.kt

@@ -45,7 +45,30 @@ abstract class AppDatabase: RoomDatabase() {
 
         private val dbCallback = object : Callback() {
             override fun onOpen(db: SupportSQLiteDatabase) {
-
+                db.execSQL(
+                    """
+                    insert into book_groups(groupId, groupName, 'order') select -1, '全部', -10 
+                    where not exists (select * from book_groups where groupId = -1)
+                """
+                )
+                db.execSQL(
+                    """
+                    insert into book_groups(groupId, groupName, 'order') select -2, '本地', -9 
+                    where not exists (select * from book_groups where groupId = -2)
+                """
+                )
+                db.execSQL(
+                    """
+                    insert into book_groups(groupId, groupName, 'order') select -3, '音频', -8
+                    where not exists (select * from book_groups where groupId = -3)
+                """
+                )
+                db.execSQL(
+                    """
+                    insert into book_groups(groupId, groupName, 'order') select -4, '未分组', -7
+                    where not exists (select * from book_groups where groupId = -4)
+                """
+                )
             }
         }
 

app/src/main/java/io/legado/app/ui/book/group/GroupManageDialog.kt

@@ -195,14 +195,7 @@ class GroupManageDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener
         }
 
         override fun onMove(srcPosition: Int, targetPosition: Int): Boolean {
-            if (srcPosition < 4 || targetPosition < 4) {
-                return true
-            }
-            Collections.swap(
-                getItems(),
-                srcPosition - getHeaderCount(),
-                targetPosition - getHeaderCount()
-            )
+            Collections.swap(getItems(), srcPosition, targetPosition)
             notifyItemMoved(srcPosition, targetPosition)
             isMoved = true
             return true

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt

@@ -12,11 +12,9 @@ import com.google.android.material.tabs.TabLayout
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
-import io.legado.app.constant.AppConst
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.BookGroup
-import io.legado.app.help.AppConfig
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.customView
 import io.legado.app.lib.dialogs.noButton
@@ -126,18 +124,6 @@ class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_b
     @Synchronized
     private fun upGroup(data: List<BookGroup>) {
         bookGroups.clear()
-        if (AppConfig.bookGroupAllShow) {
-            bookGroups.add(AppConst.bookGroupAll)
-        }
-        if (AppConfig.bookGroupLocalShow) {
-            bookGroups.add(AppConst.bookGroupLocal)
-        }
-        if (AppConfig.bookGroupAudioShow) {
-            bookGroups.add(AppConst.bookGroupAudio)
-        }
-        if (AppConfig.bookGroupNoneShow) {
-            bookGroups.add(AppConst.bookGroupNone)
-        }
         bookGroups.addAll(data)
         adapter.notifyDataSetChanged()
         selectLastTab()

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfViewModel.kt

@@ -64,7 +64,7 @@ class BookshelfViewModel(application: Application) : BaseViewModel(application)
 
     fun checkGroup(groups: List<BookGroup>) {
         groups.forEach { group ->
-            if (group.groupId and (group.groupId - 1) != 0L) {
+            if (group.groupId > 0 && group.groupId and (group.groupId - 1) != 0L) {
                 var id = 1L
                 val idsSum = App.db.bookGroupDao().idsSum
                 while (id and idsSum != 0L) {